/**
 * マウスピース矯正LP 専用スタイル
 */
:root {
        --font-mincho: "Shippori Mincho", serif;
        --font-english: "Arsenal", sans-serif;
    }

    body {
        font-family: var(--font-mincho);
    }

    :root {
        --font-mincho: "Shippori Mincho", serif;
        --font-english: "Arsenal", sans-serif;
    }

    body {
        font-family: var(--font-mincho);
    }

    .mouthpiece-h2-title-area {
        text-align: center;
        margin-bottom: 60px;
        position: relative;
    }

    .mouthpiece-h2-title-area .mouthpiece-h2-title {
        color: var(--body-color-main-01);
        font-size: 2.5rem;
        margin-bottom: 15px;
        position: relative;
        z-index: 2;
    }

    .mouthpiece-h2-title-area .mouthpiece-h2-title-en {
        font-size: 8rem;
        color: rgba(31, 79, 94, 0.15);
        font-family: var(--font-english);
        position: absolute;
        top: 0;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 1;
        line-height: 1;
    }

    @media screen and (max-width: 767px) {
        .mouthpiece-h2-title-area .mouthpiece-h2-title {
            font-size: 1.8rem;
        }

        .mouthpiece-h2-title-area .mouthpiece-h2-title-en {
            font-size: 6rem;
            top: 0;
        }
    }



    /* Table of Contents Section */
    #mouthpiece-toc {
        background-color: #f7f3ee;
        background-image: url("../img/mouthpiece-toc-bg.webp");
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
        padding: 6rem 0;
    }

    #mouthpiece-toc .mouthpiece-toc__inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 0.5rem;
    }

    #mouthpiece-toc .mouthpiece-toc__title {
        text-align: center;
        font-size: 36px;
        color: var(--body-color-main-01);
        margin-bottom: 2rem;
    }

    #mouthpiece-toc .mouthpiece-toc__card {
        background: rgba(255, 255, 255, 0.92);
        padding: 3.5rem;
        border-radius: 1.5rem;
        box-shadow: 0 20px 45px rgba(47, 77, 92, 0.12);
    }

    #mouthpiece-toc .mouthpiece-toc__columns {
        display: flex;
        gap: 4rem;
        align-items: stretch;
    }

    #mouthpiece-toc .mouthpiece-toc__column {
        flex: 1;
    }

    #mouthpiece-toc .mouthpiece-toc__list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 1.8rem;
    }

    #mouthpiece-toc .mouthpiece-toc__item {
        border-bottom: 1px solid rgba(190, 170, 140, 0.35);
        padding-bottom: 1.2em;
    }

    #mouthpiece-toc .mouthpiece-toc__item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    #mouthpiece-toc .mouthpiece-toc__link {
        display: flex;
        gap: 0.5rem;
        align-items: flex-start;
    }

    #mouthpiece-toc .mouthpiece-toc__number {
        font-size: 24px;
        color: #b79b74;
        min-width: 2.5rem;
        letter-spacing: 0.1rem;
    }

    #mouthpiece-toc .mouthpiece-toc__body {
        display: flex;
        flex-direction: column;
        gap: 0.8em;
    }

    #mouthpiece-toc .mouthpiece-toc__main {
        font-size: 24px;
        color: var(--body-color-main-01);
        text-decoration: none;
        transition: opacity 0.3s ease;
        letter-spacing: 0.01em;
    }

    #mouthpiece-toc .mouthpiece-toc__sublabel {
        font-size: 20px;
        color: var(--body-color-main-01);
        text-decoration: none;
        transition: opacity 0.3s ease;
    }

    #mouthpiece-toc .mouthpiece-toc__main:hover,
    #mouthpiece-toc .mouthpiece-toc__sublabel:hover {
        opacity: 0.8;
    }

    #mouthpiece-toc .mouthpiece-toc__sublist {
        display: flex;
        flex-direction: column;
        gap: 0.6em;
    }

    #mouthpiece-toc .mouthpiece-toc__subitem {
        position: relative;
        font-size: 16px;
        color: #5c6a6d;
        padding-left: 1.6rem;
        display: flex;
        flex-direction: column;
        gap: 0.3em;
    }

    #mouthpiece-toc .mouthpiece-toc__subitem::before {
        content: "—";
        position: absolute;
        left: 0;
        top: 4px;
        color: #b79b74;
    }

    #mouthpiece-toc .mouthpiece-toc__note {
        display: block;
        font-size: 16px;
        color: #8f7b4e;
        margin-left: 0.5rem;
    }

    #mouthpiece-toc .mouthpiece-toc__divider {
        width: 1px;
        background: linear-gradient(180deg, rgba(190, 170, 140, 0), rgba(190, 170, 140, 0.7), rgba(190, 170, 140, 0));
    }



    @media screen and (max-width: 767px) {
        #mouthpiece-toc {
            padding: 4rem 0;
        }

        #mouthpiece-toc .mouthpiece-toc__inner {
            padding: 0 1.5rem;
        }

        #mouthpiece-toc .mouthpiece-toc__title {
            font-size: 32px;
            margin-bottom: 2rem;
        }

        #mouthpiece-toc .mouthpiece-toc__card {
            padding: 2.5rem 2rem;
        }

        #mouthpiece-toc .mouthpiece-toc__columns {
            flex-direction: column;
            gap: 3rem;
        }

        #mouthpiece-toc .mouthpiece-toc__divider {
            display: none;
        }

        #mouthpiece-toc .mouthpiece-toc__item {
            padding-bottom: 1em;
        }

        #mouthpiece-toc .mouthpiece-toc__number {
            min-width: 1rem;
            font-size: 18px;
        }

        #mouthpiece-toc .mouthpiece-toc__main {
            font-size: 20px;
        }

        #mouthpiece-toc .mouthpiece-toc__sublabel {
            font-size: 14px;
            letter-spacing: 0.01em;
        }

        #mouthpiece-toc .mouthpiece-toc__subitem {
            font-size: 14px;
            padding-left: 1.2rem;
        }

        #mouthpiece-toc .mouthpiece-toc__note {
            font-size: 14px;
            margin-left: 0.3rem;
        }
    }



    /* FV Section Styles */
    #mouthpiece-fv {
        position: relative;
        overflow: hidden;
        background: url("../img/mouthpiece-fv.webp") center/cover no-repeat;
        padding: 30px 0 80px;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-fv {
            background: url("../img/mouthpiece-fv-sp.webp") center/cover no-repeat;
        }
    }

    #mouthpiece-fv .fv-background {
        position: absolute;
        inset: 0;
        background: radial-gradient(circle at left center, rgba(173, 201, 226, 0.35), transparent 55%);
        pointer-events: none;
    }

    #mouthpiece-fv .fv-inner {
        position: relative;
        z-index: 1;
        max-width: 1400px;
        margin: 0 auto;
        padding: 0 20px;
        align-items: center;
    }

    #mouthpiece-fv .fv-left {
        position: relative;
        padding-left: 120px;
    }

    #mouthpiece-fv .fv-vertical-text {
        position: absolute;
        left: 0;
        top: 0;
        writing-mode: vertical-rl;
        font-size: 120px;
        letter-spacing: 0.3rem;
        font-family: "Times New Roman", serif;
        color: rgba(255, 255, 255, 0.7);
        line-height: 1;
    }

    #mouthpiece-fv .fv-copy {
        margin-bottom: 10px;
        font-size: min(3.8vw, 56px);
        padding-left: 60px;
    }

    #mouthpiece-fv .fv-copy-small-text {
        font-size: 38px;
    }

    #mouthpiece-fv .fv-copy-line {
        letter-spacing: 0.1rem;
        margin: 0 0 6px;
        color: #000000;
    }

    #mouthpiece-fv .fv-copy-highlight {
        display: inline-block;
        background: rgba(255, 255, 255, 0.9);
        padding: 12px 30px;
        color: #5F5339;
        margin-bottom: 6px;
        margin-left: 100px;
        position: relative;
    }

    #mouthpiece-fv .fv-copy-highlight::before {
        content: "";
        width: 68px;
        height: 3px;
        border-radius: var(--border-radius-full);
        background: #F7EFE5;
        position: absolute;
        transform: translate(-100%, -50%);
        top: 55%;
        left: -20px;
    }

    #mouthpiece-fv .fv-lower {
        display: flex;
        justify-content: space-between;
    }

    #mouthpiece-fv .fv-badge-area {
        width: 40%;
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        align-items: stretch;
        margin-bottom: 40px;
        justify-content: center;
        white-space: nowrap;
    }

    #mouthpiece-fv .fv-circle,
    #mouthpiece-fv .fv-price,
    #mouthpiece-fv .fv-price-monthly {
        aspect-ratio: 1 / 1;
        border-radius: var(--border-radius-full);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: #fff;
        height: fit-content;
    }

    #mouthpiece-fv .fv-circle {
        background: rgba(142, 131, 108, 0.8);
        color: #fff;
        padding: 20px;
        text-align: center;
        box-shadow: 0 20px 45px rgba(47, 77, 92, 0.18);
        width: 68%;
    }

    #mouthpiece-fv .fv-circle img {
        width: 80%;
        height: fit-content;
        margin: 0 auto 1rem;
    }

    #mouthpiece-fv .fv-circle p {
        margin: 0 0 4rem;
        font-size: min(24px, 1.7vw);
        line-height: 1.2;
        letter-spacing: 0.05rem;
    }

    #mouthpiece-fv .fv-price,
    #mouthpiece-fv .fv-price-monthly {
        padding: 20px;
        text-align: center;
        box-shadow: 0 20px 45px rgba(47, 77, 92, 0.12);
        height: fit-content;
        margin: -24% -5%;
    }

    #mouthpiece-fv .fv-price {
        background: rgba(121, 102, 77, 0.8);
        width: 52%;
    }

    #mouthpiece-fv .fv-price-monthly {
        background: rgba(93, 91, 99, 1);
        width: 40%;
    }

    #mouthpiece-fv .fv-price-title {
        font-size: min(16px, 1.1vw);
        line-height: 1.5;
    }

    #mouthpiece-fv .fv-price-amount span {
        font-size: min(100px, 7.1vw);
        line-height: 1;
        letter-spacing: 0.01em;
    }

    #mouthpiece-fv .fv-price-amount small {
        font-size: min(16px, 1.1vw);
        margin-left: 4px;
    }

    #mouthpiece-fv .fv-price-note {
        font-size: min(12px, 0.86vw);
        letter-spacing: 0.01em;
        margin-top: 4px;
    }

    #mouthpiece-fv .fv-price-monthly-title {
        font-size: min(24px, 1.71vw);
        letter-spacing: 0.05rem;
        line-height: 1;
    }

    #mouthpiece-fv .fv-price-monthly-amount {
        font-size: min(42px, 3vw);
        font-weight: bold;
        line-height: 1.4;
    }

    #mouthpiece-fv .fv-price-monthly-amount span {
        font-size: min(20px, 1.43vw);
        margin-left: 4px;
    }

    #mouthpiece-fv .fv-price-monthly-note {
        font-size: min(14px, 1vw);
    }

    #mouthpiece-fv .fv-message .fv-message-sentence {
        width: fit-content;
        background: rgba(255, 255, 255, 1);
        padding: 12px 20px;
        margin-bottom: 16px;
        font-size: min(32px, 2.3vw);
        color: #202020;
        white-space: nowrap;
    }

    #mouthpiece-fv .fv-message .fv-message-sentence-1st {
        margin-right: auto;
    }

    #mouthpiece-fv .fv-message .fv-message-sentence-2nd {
        margin-left: auto;
    }

    #mouthpiece-fv .fv-message span {
        color: #8f7b4e;
        font-weight: bold;
    }

    #mouthpiece-fv .fv-benefits {
        display: flex;
        justify-content: space-between;
        gap: 1%;
    }

    #mouthpiece-fv .fv-benefit-card {
        width: 33%;
        text-align: center;
        padding: 24px 16px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        aspect-ratio: 1 / 1;
        position: relative;
    }

    #mouthpiece-fv .fv-benefit-card::before {
        content: "";
        display: inline-block;
        width: 110%;
        height: auto;
        aspect-ratio: 1 / 1;
        background-image: url("../img/mouthpiece-fv-feature-frame.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        transform: translate(-50%, -50%);
        top: 45%;
        left: 50%;
        z-index: 0;
    }

    #mouthpiece-fv .fv-benefit-card .benefit-title,
    #mouthpiece-fv .fv-benefit-card .benefit-main,
    #mouthpiece-fv .fv-benefit-card .benefit-price {
        z-index: 1;
    }

    #mouthpiece-fv .fv-benefit-card .benefit-title {
        font-size: 0.95rem;
        letter-spacing: 0.08rem;
    }

    #mouthpiece-fv .fv-benefit-card .benefit-main {
        font-size: 1.2rem;
        font-weight: bold;
        line-height: 1.4;
        letter-spacing: 0.01em;
        white-space: nowrap;
    }

    #mouthpiece-fv .fv-benefit-card .benefit-price {
        font-size: 1.8rem;
    }

    #mouthpiece-fv .fv-benefit-card .benefit-price span {
        font-size: 78px;
        line-height: 1;
        font-weight: bold;
    }

    #mouthpiece-fv .fv-right {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    #mouthpiece-fv .fv-hero-image {
        position: relative;
        width: 100%;
        max-width: 520px;
        border-radius: 30px;
        overflow: hidden;
        box-shadow: 0 30px 60px rgba(47, 77, 92, 0.25);
    }

    @media (max-width: 1024px) {
        #mouthpiece-fv {
            padding: 80px 0;
        }

        #mouthpiece-fv .fv-left {
            padding-left: 50px;
        }
    }

    @media (max-width: 767px) {
        #mouthpiece-fv {
            padding: 60px 0 0;
        }

        #mouthpiece-fv .fv-inner {
            padding: 0;
            gap: 40px;
        }

        #mouthpiece-fv .fv-copy {
            padding: 0 4vw;
            margin-bottom: 4vw;
        }

        #mouthpiece-fv .fv-left {
            padding-left: 0;
        }

        #mouthpiece-fv .fv-vertical-text {
            display: none;
        }

        #mouthpiece-fv .fv-copy-line {
            font-size: 25px;
            margin: 0 0 4px 0;
        }

        #mouthpiece-fv .fv-copy-small-text {
            font-size: 16px;
        }

        #mouthpiece-fv .fv-copy-highlight {
            font-size: 1.3rem;
            padding: 10px 18px;
            margin: 0 0 4px auto;
            display: block;
            width: fit-content;
        }

        #mouthpiece-fv .fv-badge-area {
            width: 65%;
        }

        #mouthpiece-fv .fv-circle {
            width: 78%;
            padding: 0;
        }

        #mouthpiece-fv .fv-circle img {
            width: 70%;
            margin: 0 auto;
        }

        #mouthpiece-fv .fv-circle p {
            font-size: 3.73vw;
            margin: 1vw 0 4vw;
        }

        #mouthpiece-fv .fv-price-title {
            font-size: 3vw;
            letter-spacing: 0.01em;
        }

        #mouthpiece-fv .fv-price-amount span {
            font-size: 12vw;
        }

        #mouthpiece-fv .fv-price-amount small {
            font-size: 2.9vw;
        }

        #mouthpiece-fv .fv-price {
            position: relative;
            margin-bottom: 4vw;
        }

        #mouthpiece-fv .fv-price-note {
            font-size: 2.6vw;
            position: absolute;
            margin: 0;
            transform: translate(-50%, 100%);
            bottom: 0;
            left: 50%;
            white-space: nowrap;
            color: #90826E;
            text-align: left;
        }

        #mouthpiece-fv .fv-price,
        #mouthpiece-fv .fv-price-monthly {
            padding: 4px;
            margin: -26% -1rem 0;
        }


        #mouthpiece-fv .fv-price-monthly-title {
            font-size: 3.2vw;
        }

        #mouthpiece-fv .fv-price-monthly-amount {
            font-size: 7.4vw;
            font-weight: normal;
            letter-spacing: 0.01em;
        }

        #mouthpiece-fv .fv-price-monthly-amount span {
            font-size: 2.1vw;
        }

        #mouthpiece-fv .fv-price-monthly-note {
            font-size: 3vw;
        }

        #mouthpiece-fv .fv-message .fv-message-sentence {
            padding: 10px;
            font-size: 4vw;
            margin-bottom: 4px;
        }

        #mouthpiece-fv .fv-right {
            order: -1;
        }

        #mouthpiece-fv .fv-hero-image {
            max-width: 100%;
            border-radius: 20px;
        }

        #mouthpiece-fv .fv-lower {
            flex-direction: column;
        }

        #mouthpiece-fv .fv-benefit-card {
            padding: 0;
        }

        #mouthpiece-fv .fv-benefit-card .benefit-title {
            font-size: 2.1vw;
        }

        #mouthpiece-fv .fv-benefit-card .benefit-main {
            font-size: 2.9vw;
        }

        #mouthpiece-fv .fv-benefit-card .benefit-price {
            font-size: 3.4vw;
        }

        #mouthpiece-fv .fv-benefit-card .benefit-price span {
            font-size: 12vw;
        }

        #mouthpiece-fv .fv-copy-highlight::before {
            width: 30px;
            left: -16px;
        }
    }

    /* CTA Section Styles */
    #mouthpiece-cta {
        background: url("../img/mouthpiece-cta-bg.webp") center/cover no-repeat;
        padding: 60px 0;
        position: relative;
        overflow: hidden;
    }

    #mouthpiece-cta::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><polygon points="0,0 100,0 50,100" fill="rgba(255,255,255,0.05)"/></svg>') repeat;
        background-size: 200px 200px;
        opacity: 0.3;
    }

    #mouthpiece-cta .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px;
        position: relative;
        z-index: 1;
    }

    #mouthpiece-cta .cta-headline {
        text-align: center;
        color: white;
        font-size: 2.5rem;
        margin-bottom: 50px;
    }

    #mouthpiece-cta .cta-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: start;
    }

    /* Left Content Styles */
    #mouthpiece-cta .cta-left,
    #mouthpiece-cta .cta-left .booking-card {
        display: flex;
        flex-direction: column;
        height: 100%;
        justify-content: space-between;
    }

    #mouthpiece-cta .web-reservation {
        margin-bottom: 25px;
        display: block;
    }

    #mouthpiece-cta .reservation-header {
        background: #8C7C11;
        color: white;
        text-align: center;
        padding: 12px;
        font-weight: bold;
        margin-bottom: 0;
    }

    #mouthpiece-cta .reservation-btn {
        width: 100%;
        background: white;
        color: #2c3e50;
        border: none;
        font-weight: lighter;
        padding: 0.2em 1em;
        font-size: 32px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-align: center;
    }

    #mouthpiece-cta .line-benefits {
        margin-bottom: 25px;
        display: block;
    }

    #mouthpiece-cta .benefits-header {
        background: #B5E7C3;
        color: #006E1D;
        text-align: center;
        padding: 12px;
        font-weight: bold;
        margin-bottom: 0;
    }

    #mouthpiece-cta .line-btn {
        width: 100%;
        background: #00c851;
        color: white;
        border: none;
        padding: 0.2em 1em;
        font-size: 32px;
        font-weight: lighter;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    #mouthpiece-cta .line-icon {
        background: white;
        color: #00c851;
        padding: 5px 10px;
        flex-shrink: 0;
    }

    #mouthpiece-cta .contact-info {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 20px;
        padding: 1em;
        background: #37353F;
    }

    #mouthpiece-cta .contact-details {
        flex: 1;
        min-width: 200px;
        text-align: center;
    }

    #mouthpiece-cta .contact-label {
        color: white;
        font-size: 0.9rem;
        margin-bottom: 5px;
        display: flex;
        align-items: center;
        gap: 8px;
        justify-content: center;
    }

    #mouthpiece-cta .phone-icon {
        flex-shrink: 0;
    }

    #mouthpiece-cta .phone-number {
        color: white;
        font-size: 1.8rem;
        font-weight: bold;
    }

    #mouthpiece-cta .operating-hours {
        color: white;
        text-align: right;
        flex: 1;
        min-width: 200px;
        background: #6E6C78;
        padding: 0.4em;
    }

    #mouthpiece-cta .hours {
        font-size: 1rem;
        margin-bottom: 5px;
        white-space: nowrap;
        text-align: center;
        letter-spacing: 0.01em;
    }

    #mouthpiece-cta .closed-days {
        font-size: 0.8rem;
        opacity: 0.9;
        text-align: center;
    }

    /* Right Content Styles */
    #mouthpiece-cta .cta-right {
        display: flex;
        flex-direction: column;
    }

    #mouthpiece-cta .concerns-card {
        background: #336575;
        padding: 2rem 3rem;
        backdrop-filter: blur(10px);
    }

    #mouthpiece-cta .concerns-title {
        color: white;
        font-size: 1.5rem;
        margin-bottom: 25px;
        text-align: center;
    }

    #mouthpiece-cta .concerns-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    #mouthpiece-cta .concerns-list li {
        color: white;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 1rem;
        line-height: 1.5;
    }

    #mouthpiece-cta .concerns-list li:last-child {
        border-bottom: none;
    }


    /* Responsive Design */
    @media (max-width: 767px) {
        #mouthpiece-cta {
            padding: 40px 0;
        }

        #mouthpiece-cta .cta-headline {
            font-size: 2rem;
            margin-bottom: 30px;
        }

        #mouthpiece-cta .cta-content {
            display: flex;
            flex-direction: column-reverse;
            gap: 30px;
        }

        #mouthpiece-cta .concerns-card {
            padding: 20px;
        }

        #mouthpiece-cta .booking-card {
            padding: 0;
            width: 100%;
        }

        #mouthpiece-cta .cta-left {
            width: 100%;
        }

        #mouthpiece-cta .contact-info {
            flex-direction: column;
            text-align: center;
        }

        #mouthpiece-cta .operating-hours {
            text-align: center;
            padding: 1rem;
        }

        #mouthpiece-cta .phone-number {
            font-size: 1.5rem;
        }

        #mouthpiece-cta .reservation-btn,
        #mouthpiece-cta .line-btn {
            padding: 15px;
        }

        #mouthpiece-cta .reservation-btn {
            font-size: 24px;
        }

        #mouthpiece-cta .line-btn {
            font-size: 36px;
        }
    }

    /* Regret Section Styles */
    #mouthpiece-regret {
        background: url("../img/mouthpiece-checklist-bg.webp") center/cover no-repeat;
        padding: 80px 0;
    }

    #mouthpiece-regret .regret-main-title-container {
        background: linear-gradient(90deg, #FFFFFF 0%, rgba(255, 255, 255, 0) 100%);
        padding-top: 60px;
        padding-bottom: 60px;
    }

    #mouthpiece-regret .regret-main-title {
        color: #37353F;
        font-size: 2.5rem;
        font-weight: lighter;
    }

    #mouthpiece-regret .regret-content {
        margin-bottom: 80px;
    }

    #mouthpiece-regret .regret-subtitle {
        color: var(--body-color-main-01);
        font-size: 1.8rem;
        margin-top: 40px;
        text-align: center;
        width: 50%;
    }

    #mouthpiece-regret .regret-main-content {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 40px;
    }

    #mouthpiece-regret .woman-image {
        display: flex;
        justify-content: center;
        width: 45%;
    }

    #mouthpiece-regret .woman-image img {
        width: 72%;
        height: auto;
        object-fit: cover;
    }

    #mouthpiece-regret .regret-list {
        display: flex;
        flex-direction: column;
        gap: 20px;
        padding-top: 20px;
        width: 55%;
    }

    #mouthpiece-regret .speech-bubble {
        position: relative;
        background: white;
        padding: 1.6em 2.4em;
        margin-left: 20px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        border-radius: 12px;
    }

    #mouthpiece-regret .speech-bubble::before {
        content: '';
        position: absolute;
        left: -14px;
        top: 46px;
        width: 0;
        height: 0;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
        border-right: 15px solid white;
    }

    #mouthpiece-regret .bubble-content {
        color: #1F4F5E;
        font-size: 24px;
        line-height: 1.5;
    }

    /* Checklist Section */
    #mouthpiece-regret .checklist-section {
        background: white;
        padding: 3rem 3rem 1rem;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        position: relative;
        width: 90%;
        margin: 0 auto;
    }

    #mouthpiece-regret .checklist-intro {
        text-align: center;
        color: #fff;
        font-size: 36px;
        margin-bottom: 2em;
        line-height: 1.4;
    }

    #mouthpiece-regret .checklist-title {
        background: #3B3943;
        color: white;
        text-align: center;
        padding: 0.4em 3em;
        font-size: 24px;
        width: fit-content;
        position: absolute;
        transform: translate(0, -50%);
        top: 0;
        left: 1em;
        clip-path: polygon(8% 0%, 100% 0%, 92% 100%, 0% 100%);
    }

    #mouthpiece-regret .checklist-container {
        background: white;
        padding: 20px 0;
    }

    #mouthpiece-regret .checklist {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    #mouthpiece-regret .checklist li {
        display: flex;
        align-items: flex-start;
        padding: 15px 0;
        border-bottom: 1px solid #eee;
        color: #333;
        font-size: 1rem;
        line-height: 1.6;
    }

    #mouthpiece-regret .checklist li:last-child {
        border-bottom: none;
    }

    #mouthpiece-regret .checkbox {
        display: inline-block;
        width: 20px;
        height: 20px;
        border: 2px solid #75737D;
        margin-right: 15px;
        flex-shrink: 0;
        margin-top: 2px;
        border-radius: 4px;
    }

    /* Responsive Design for Regret Section */
    @media (max-width: 767px) {
        #mouthpiece-regret {
            padding: 60px 0;
        }

        #mouthpiece-regret .regret-main-title-container {
            padding-top: 2rem;
            padding-bottom: 2rem;
        }

        #mouthpiece-regret .regret-main-title {
            font-size: 32px;
            letter-spacing: 0.01em;
            text-align: center;
        }

        #mouthpiece-regret .regret-subtitle {
            font-size: 24px;
            margin-bottom: 30px;
            width: 100%;
        }

        #mouthpiece-regret .regret-main-content {
            flex-direction: column-reverse;
            align-items: center;
            gap: 30px;
            text-align: center;
        }

        #mouthpiece-regret .woman-image {
            order: 1;
            width: 60%;
        }

        #mouthpiece-regret .woman-image img {
            width: 100%;
        }

        #mouthpiece-regret .regret-list {
            order: 2;
            padding-top: 0;
            width: 90%;
        }

        #mouthpiece-regret .speech-bubble {
            margin-left: 0;
            max-width: 100%;
            padding: 2rem 1rem;
        }

        #mouthpiece-regret .speech-bubble::before {
            display: none;
        }

        #mouthpiece-regret .bubble-content {
            font-size: 20px;
        }

        #mouthpiece-regret .checklist-section {
            padding: 30px 20px;
            width: 100%;
        }

        #mouthpiece-regret .checklist-container {
            padding: 1rem 0 0;
        }

        #mouthpiece-regret .checklist-intro {
            font-size: 24px;
            margin-bottom: 6rem;
        }

        #mouthpiece-regret .checklist-title {
            padding: 0.4em 2em;
            transform: translate(-50%, -50%);
            left: 50%;
            white-space: nowrap;
        }

        #mouthpiece-regret .checklist li {
            font-size: 18px;
            padding: 8px 0;
            letter-spacing: 0.01em;
        }

        #mouthpiece-regret .checkbox {
            margin-top: 6px;
        }
    }

    /* Case Section Styles */
    #mouthpiece-case {
        background-color: #faf9f7;
        background-image: url("../img/mouthpiece-feature-bg-part.webp");
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding: 80px 0;
    }

    #mouthpiece-case .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-case .case-title-area {
        text-align: center;
        margin-bottom: 60px;
        position: relative;
    }

    #mouthpiece-case .case-bg-text {
        font-size: 8rem;
        color: rgba(31, 79, 94, 0.15);
        font-family: var(--font-english);
        position: absolute;
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1;
        line-height: 1;
    }

    #mouthpiece-case .case-main-title {
        color: var(--body-color-main-01);
        font-size: 2.5rem;
        margin-bottom: 15px;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-case .case-subtitle {
        color: #2c5f2d;
        font-size: 1.5rem;
        font-weight: bold;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-case .case-content-area {
        background: #F4EDE5;
        padding: 40px;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-case .case-slider {
        position: relative;
    }

    #mouthpiece-case .case-slide {
        text-align: center;
    }

    #mouthpiece-case .case-info {
        margin: 30px 0;
    }

    #mouthpiece-case .case-title {
        color: var(--body-color-main-01);
        font-size: 1.8rem;
        margin-bottom: 10px;
    }

    #mouthpiece-case .before-after-images {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        max-width: 980px;
        margin: 0 auto;
    }

    #mouthpiece-case .image-container {
        position: relative;
    }

    #mouthpiece-case .image-label {
        position: absolute;
        top: 10px;
        left: 10px;
        background: white;
        color: #333;
        padding: 5px 10px;
        font-size: 0.9rem;
        font-weight: bold;
        z-index: 3;
    }

    #mouthpiece-case .image-container img {
        width: 100%;
        height: auto;
        object-fit: cover;
        display: block;
    }

    /* Slick Slider Styles */
    #mouthpiece-case .slick-dots {
        text-align: center;
        margin-top: 30px;
        padding: 0;
        list-style: none;
    }

    #mouthpiece-case .slick-dots li {
        display: inline-block;
        margin: 0 5px;
    }

    #mouthpiece-case .slick-dots li button {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        border: none;
        background: #ccc;
        font-size: 0;
        cursor: pointer;
        transition: all 0.3s ease;
    }

    #mouthpiece-case .slick-dots li.slick-active button {
        background: #666;
    }

    #mouthpiece-case .slick-dots li button:hover {
        background: #999;
    }

    #mouthpiece-case .slick-dots li button:before {
        content: none;
    }

    .slick-slider .slick-track,
    .slick-slider .slick-list {
        margin-bottom: 1rem;
    }

    .case-detail-list {
        margin: 0 auto;
        padding: 0;
        width: 70%;
    }

    .case-detail-list .case-detail {
        display: flex;
        gap: 0.5em;
        align-items: flex-start;
        margin-bottom: 0.25em;
    }

    .case-detail-list dt {
        font-weight: 600;
        width: 30%;
        text-align: left;
    }

    .case-detail-list dd {
        margin: 0;
    }

    @media screen and (max-width: 767px) {
        .case-detail-list .case-detail {
            flex-wrap: wrap;
            gap: 0;
            margin-bottom: 1rem;
            flex-direction: column;
        }

        .case-detail-list dd{
            text-align: left;
        }
    }

    /* Responsive Design for Case Section */
    @media (max-width: 767px) {
        #mouthpiece-case {
            padding: 60px 0;
        }

        #mouthpiece-case .case-bg-text {
            font-size: 6rem;
            top: -10px;
        }

        #mouthpiece-case .case-main-title {
            font-size: 1.8rem;
        }

        #mouthpiece-case .case-subtitle {
            font-size: 1.2rem;
        }

        #mouthpiece-case .case-content-area {
            padding: 20px 15px;
        }

        #mouthpiece-case .case-title {
            font-size: 1.3rem;
        }

        #mouthpiece-case .case-period {
            font-size: 1rem;
        }

        #mouthpiece-case .before-after-images {
            grid-template-columns: 1fr;
            gap: 15px;
        }

        #mouthpiece-case .case-detail-list{
            width: 100%;
        }

        .case-detail-list dt{
            width: 100%;
            border-bottom: 1px solid;
        }
    }

    /* About Section Styles */
    #mouthpiece-about {
        padding: 80px 0;
        position: relative;
    }

    #mouthpiece-about::before {
        content: "";
        width: 100%;
        height: fit-content;
        aspect-ratio: 1440 / 400;
        background-image: url("../img/mouthpiece-about-bg.webp");
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: absolute;
        top: 0;
        left: 0;
    }

    #mouthpiece-about .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-about .about-title-area {
        text-align: center;
        margin-bottom: 60px;
        position: relative;
    }

    #mouthpiece-about .about-bg-text {
        font-size: 8rem;
        color: rgba(0, 0, 0, 0.05);
        position: absolute;
        top: 0;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 1;
        line-height: 1;
        font-family: var(--font-english);
    }

    #mouthpiece-about .about-main-title {
        color: var(--body-color-main-01);
        font-size: 48px;
        margin-bottom: 15px;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-about .about-subtitle {
        color: var(--body-color-main-01);
        font-size: 36px;
        margin-bottom: 2rem;
        margin-top: 2rem;
        line-height: 1.4;
    }

    /* Overview Content */
    #mouthpiece-about .about-overview {
        width: 90%;
        margin: 0 auto 5rem;
    }

    #mouthpiece-about .overview-content {
        display: flex;
        gap: 1em;
        justify-content: space-between;
    }

    #mouthpiece-about .concerns-list {
        width: 58%;
    }

    #mouthpiece-about .concerns-list ul {
        list-style: disc;
        padding-left: 20px;
        color: #333;
        font-size: 1.1rem;
        line-height: 1.8;
    }

    #mouthpiece-about .concerns-list li {
        margin-bottom: 1.4rem;
        font-size: 24px;
        letter-spacing: 0.01em;
    }

    #mouthpiece-about .overview-images {
        display: flex;
        flex-direction: column;
        gap: 20px;
        width: 40%;
    }

    #mouthpiece-about .main-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    #mouthpiece-about .sub-image img {
        width: 100%;
        max-width: 300px;
        height: auto;
        object-fit: cover;
    }

    /* Features Section */
    #mouthpiece-about .features-section {
        margin-bottom: 80px;
    }

    #mouthpiece-about .features-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 80px;
        text-align: center;
        color: var(--body-color-main-01);
        font-size: 36px;
        margin-bottom: 1rem;
        position: relative;
    }

    #mouthpiece-about .features-title::before,
    #mouthpiece-about .features-title::after {
        content: "";
        flex: 1;
        height: 1px;
        background-color: var(--body-color-main-01);
        max-width: none;
    }

    @media screen and (max-width: 767px) {

        #mouthpiece-about .features-title::before,
        #mouthpiece-about .features-title::after {
            position: absolute;
            top: 50%;
            width: 20px;
        }

        #mouthpiece-about .features-title::before {
            left: -20px;
        }

        #mouthpiece-about .features-title::after {
            right: -20px;
        }
    }

    #mouthpiece-about .features-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 30px;
    }

    #mouthpiece-about .feature-card {
        padding: 30px;
        text-align: center;
        position: relative;
        width: 30%;
    }

    #mouthpiece-about .feature-light {
        background: linear-gradient(to bottom, transparent 0%, transparent 35%, #C0AF8C 35%, #C0AF8C 100%);
    }

    #mouthpiece-about .feature-light::after {
        content: "";
        display: inline-block;
        width: 100%;
        height: fit-content;
        aspect-ratio: 320 / 150;
        background-image: url("../img/mouthpiece-feature-shapes-beige.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 0;
    }

    #mouthpiece-about .feature-dark {
        background: linear-gradient(to bottom, transparent 0%, transparent 35%, #366F81 35%, #366F81 100%);
    }

    #mouthpiece-about .feature-dark::after {
        content: "";
        display: inline-block;
        width: 100%;
        height: fit-content;
        aspect-ratio: 320 / 150;
        background-image: url("../img/mouthpiece-feature-shapes-blue.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 0;
    }

    #mouthpiece-about .feature-label {
        font-size: 24px;
        margin-bottom: 20px;
        color: #8E836C;
        font-weight: normal;
        font-family: var(--font-english);
    }

    #mouthpiece-about .feature-image {
        margin-bottom: 20px;
    }

    #mouthpiece-about .feature-image img {
        width: 90%;
        height: fit-content;
        aspect-ratio: 1 / 1;
        border-radius: 50%;
        object-fit: cover;
        margin: 0 auto;
        display: block;
    }

    #mouthpiece-about .feature-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
        color: #fff;
        z-index: 1;
        position: relative;
    }

    #mouthpiece-about .feature-description {
        font-size: 1rem;
        line-height: 1.6;
        color: #fff;
        z-index: 1;
        position: relative;
        font-family: var(--font-gothic);
    }

    /* Comparison Table Section */
    #mouthpiece-about .comparison-section {
        margin-bottom: 40px;
    }

    #mouthpiece-about .comparison-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 80px;
        text-align: center;
        color: var(--body-color-main-01);
        font-size: 2rem;
        margin-bottom: 40px;
        position: relative;
    }

    #mouthpiece-about .comparison-title::before,
    #mouthpiece-about .comparison-title::after {
        content: "";
        flex: 1;
        height: 1px;
        background-color: var(--body-color-main-01);
        max-width: none;
    }

    @media screen and (max-width: 767px) {

        #mouthpiece-about .comparison-title::before,
        #mouthpiece-about .comparison-title::after {
            position: absolute;
            top: 50%;
            width: 20px;
        }

        #mouthpiece-about .comparison-title::before {
            left: -20px;
        }

        #mouthpiece-about .comparison-title::after {
            right: -20px;
        }
    }

    #mouthpiece-about .comparison-table-wrapper {
        overflow-x: auto;
    }

    #mouthpiece-about .comparison-table {
        width: 100%;
        border-collapse: collapse;
        background: white;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        font-family: var(--font-gothic);
    }

    #mouthpiece-about .comparison-table tr {
        display: flex;
    }

    #mouthpiece-about .comparison-table tr th:first-child,
    #mouthpiece-about .comparison-table tr td:first-child {
        width: 15%;
    }

    #mouthpiece-about .comparison-table tr th:nth-child(2),
    #mouthpiece-about .comparison-table tr td:nth-child(2) {
        width: 35%;
    }

    #mouthpiece-about .comparison-table tr th:nth-child(3),
    #mouthpiece-about .comparison-table tr th:nth-child(4),
    #mouthpiece-about .comparison-table tr td:nth-child(3),
    #mouthpiece-about .comparison-table tr td:nth-child(4) {
        width: 25%;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-about .comparison-table-wrapper {
            overflow-x: auto;
            position: relative;
        }

        #mouthpiece-about .comparison-table {
            min-width: 600px;
        }

        #mouthpiece-about .comparison-table tr th:first-child,
        #mouthpiece-about .comparison-table tr td:first-child {
            width: 120px;
            position: sticky;
            left: 0;
            z-index: 2;
        }

        #mouthpiece-about .comparison-table tr th:nth-child(2),
        #mouthpiece-about .comparison-table tr td:nth-child(2) {
            width: 250px;
        }

        #mouthpiece-about .comparison-table tr th:nth-child(3),
        #mouthpiece-about .comparison-table tr th:nth-child(4),
        #mouthpiece-about .comparison-table tr td:nth-child(3),
        #mouthpiece-about .comparison-table tr td:nth-child(4) {
            width: 220px;
        }

        #mouthpiece-about .comparison-table thead th:first-child {
            z-index: 3;
        }
    }

    #mouthpiece-about .comparison-table th,
    #mouthpiece-about .comparison-table td {
        padding: 15px;
        text-align: left;
        border: 1px solid #ddd;
        font-size: 0.9rem;
        text-align: center;
        align-content: center;
    }

    #mouthpiece-about .comparison-table th {
        background: #f8f9fa;
        font-weight: bold;
        color: #333;
    }

    #mouthpiece-about .comparison-table thead th:first-child {
        background: #fff;
        border-top: none;
        border-left: none;
    }

    #mouthpiece-about .mouthpiece-header {
        background: #FF9B18 !important;
        color: white !important;
    }

    #mouthpiece-about .other-header {
        background: #666 !important;
        color: white !important;
    }

    #mouthpiece-about .comparison-item {
        background: #f8f9fa;
        font-weight: bold;
        color: #333;
    }

    #mouthpiece-about .comparison-table tbody tr:hover {
        background: #e9ecef;
    }

    #mouthpiece-about .comparison-table tbody tr td {
        background: #F1F1F1;
    }

    #mouthpiece-about .comparison-table tbody tr td:first-child {
        background: var(--body-color-main-01);
        color: #fff;
        white-space: nowrap;
    }

    #mouthpiece-about .comparison-table tbody tr td:nth-child(2) {
        background: #FFECD3;
    }

    /* Responsive Design for About Section */
    @media (max-width: 767px) {
        #mouthpiece-about {
            padding: 60px 0;
        }

        #mouthpiece-about .about-bg-text {
            font-size: 4rem;
            top: -10px;
        }

        #mouthpiece-about .about-title-area {
            margin-bottom: 30px;
        }

        #mouthpiece-about .about-main-title {
            font-size: 1.8rem;
        }

        #mouthpiece-about .about-subtitle {
            font-size: 24px;
            text-align: center;
        }

        #mouthpiece-about .overview-content {
            flex-direction: column;
            gap: 1rem;
        }

        #mouthpiece-about .concerns-list {
            width: 100%;
        }

        #mouthpiece-about .concerns-list ul {
            font-size: 1rem;
        }

        #mouthpiece-about .concerns-list li {
            margin-bottom: 8px;
            font-size: 20px;
            letter-spacing: 0.01em;
        }

        #mouthpiece-about .overview-images {
            width: 100%;
            margin: 0 auto;
        }

        #mouthpiece-about .features-title,
        #mouthpiece-about .comparison-title {
            font-size: 30px;
            white-space: nowrap;
            gap: 10px;
        }

        #mouthpiece-about .features-title {
            margin-bottom: 0;
        }

        #mouthpiece-about .features-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        #mouthpiece-about .feature-card {
            padding: 4rem 1rem;
            width: 100%;
        }

        #mouthpiece-about .feature-image img {
            width: 240px;
            height: 240px;
        }

        #mouthpiece-about .feature-title {
            font-size: 24px;
        }

        #mouthpiece-about .feature-description {
            font-size: 0.9rem;
        }

        #mouthpiece-about .comparison-table th,
        #mouthpiece-about .comparison-table td {
            padding: 10px 8px;
            font-size: 0.8rem;
        }

        #mouthpiece-about .comparison-table tbody tr td:first-child {
            white-space: normal;
        }
    }

    /* Type Section Styles */
    #mouthpiece-type {
        background: url("../img/mouthpiece-types-bg.webp") center/cover no-repeat;
        padding: 80px 0;
    }

    #mouthpiece-type .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* Main Title Area */
    #mouthpiece-type .type-title-area {
        text-align: center;
        margin-bottom: 60px;
    }

    #mouthpiece-type .type-main-title {
        color: var(--body-color-main-01);
        font-size: 2.2rem;
        margin-bottom: 40px;
        line-height: 1.4;
    }

    .type-navigation {
        display: flex;
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .nav-button {
        background: linear-gradient(to bottom right, #1F4F5E 0%, #1F4F5E 50%, #335B68 50%, #335B68 100%);
        color: white;
        border: none;
        padding: 1em;
        font-size: 24px;
        cursor: pointer;
        transition: all 0.3s ease;
        display: flex;
        align-items: center;
        gap: 10px;
        width: 36%;
        justify-content: flex-end;
        text-decoration: none;
        line-height: 1.4;
    }

    .nav-button:hover {
        transform: translateY(2px);
        text-decoration: none;
        opacity: 1;
    }

    .nav-arrow {
        transition: transform 0.3s ease;
        margin-left: 2em;
    }

    .nav-button:hover .nav-arrow {
        transform: translateY(2px);
    }

    @media screen and (max-width: 767px) {
        .nav-button {
            width: 100%;
        }
    }

    /* Aligner Sections */
    #mouthpiece-type .aligner-section {
        margin-bottom: 80px;
        scroll-margin-top: 100px;
        padding: 2em;
        background: #fff;
        position: relative;
        overflow: hidden;
    }

    #mouthpiece-type .aligner-section::before {
        content: "";
        display: inline-block;
        width: 200px;
        height: fit-content;
        aspect-ratio: 1 / 1;
        background-image: url("../img/mouthpiece-types-item-before.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        top: 0;
        right: 0;
        z-index: 0;
    }

    #mouthpiece-type .aligner-section::after {
        content: "";
        display: inline-block;
        width: 100%;
        height: fit-content;
        aspect-ratio: 1080 / 422;
        background-image: url("../img/mouthpiece-types-item-after.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        bottom: -1px;
        left: 0;
        z-index: 0;
    }

    #mouthpiece-type .aligner-title,
    #mouthpiece-type .aligner-content,
    #mouthpiece-type .aligner-description,
    #mouthpiece-type .aligner-cta {
        position: relative;
        z-index: 1;
    }

    #mouthpiece-type .aligner-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 30px;
        color: var(--body-color-main-01);
        font-size: 2rem;
        margin-bottom: 40px;
        text-align: center;
    }

    #mouthpiece-type .aligner-title::before,
    #mouthpiece-type .aligner-title::after {
        content: "";
        flex: 1;
        height: 1px;
        background-color: var(--body-color-main-01);
        max-width: none;
        position: relative;
    }

    #mouthpiece-type .aligner-title::before {
        left: -2em;
    }

    #mouthpiece-type .aligner-title::after {
        right: -2em;
    }

    @media screen and (max-width: 767px) {

        #mouthpiece-type .aligner-title::before,
        #mouthpiece-type .aligner-title::after {
            position: absolute;
            top: 50%;
            width: 60px;
        }
    }

    #mouthpiece-type .aligner-content {
        display: flex;
        justify-content: center;
        gap: 3em;
        align-items: center;
        margin-bottom: 40px;
    }

    #mouthpiece-type #invisalign .aligner-content {
        gap: 0;
    }

    #mouthpiece-type .aligner-features {
        width: 30%;
    }

    #mouthpiece-type .feature-text {
        color: var(--body-color-main-01);
        font-size: 30px;
        writing-mode: vertical-rl;
        text-orientation: upright;
        letter-spacing: 0.3em;
        margin-left: auto;
        white-space: nowrap;
    }

    #mouthpiece-type .feature-text-left {
        margin-left: 0;
        margin-right: auto;
    }

    #mouthpiece-type .feature-text p {
        margin: 0;
        background: linear-gradient(to right, transparent 60%, #FFF9A2 60%, #FFF9A2 90%, transparent 90%);
        height: fit-content;
        line-height: 2.2;
    }

    #mouthpiece-type .aligner-image {
        text-align: center;
        width: 60%;
    }

    #mouthpiece-type .aligner-image img {
        width: 80%;
        height: fit-content;
        aspect-ratio: 506 / 340;
        margin-bottom: 1em;
        margin-inline: auto;
    }

    #mouthpiece-type #invisalign .aligner-image img {
        aspect-ratio: 549 / 414;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-type .aligner-image img {
            width: 100%;
            aspect-ratio: 272 / 181;
        }

        #mouthpiece-type #invisalign .aligner-image img {
            aspect-ratio: 300 / 240;
        }
    }

    #mouthpiece-type .aligner-brand {
        color: #4a9eff;
        font-size: 1.1rem;
        font-weight: bold;
        margin: 0;
    }

    /* Invisalign specific layout */
    #mouthpiece-type #invisalign .aligner-content {
        grid-template-columns: 1fr 1fr;
    }

    #mouthpiece-type #invisalign .aligner-image {
        order: 1;
    }

    #mouthpiece-type #invisalign .aligner-features {
        order: 2;
    }

    /* Description */
    #mouthpiece-type .aligner-description {
        font-family: var(--font-gothic);
        width: 90%;
        margin: 0 auto 2em;
        text-align: center;
    }

    #mouthpiece-type .aligner-description p {
        color: var(--body-color-main-01);
        font-size: 20px;
        line-height: 1.8;
        margin-bottom: 20px;
    }

    #mouthpiece-type .aligner-description p:last-child {
        margin-bottom: 0;
    }

    /* CTA Button */
    #mouthpiece-type .aligner-cta {
        text-align: center;
        margin-bottom: 60px;
    }

    #mouthpiece-type .cta-button {
        background: var(--body-color-main-01);
        border-radius: var(--border-radius-full);
        color: white;
        border: none;
        padding: 15px 40px;
        font-size: 1.1rem;
        font-weight: bold;
        cursor: pointer;
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }

    #mouthpiece-type .cta-button:hover {
        background: #1e4a1f;
        transform: translateY(-2px);
    }

    #mouthpiece-type .cta-arrow {
        transition: transform 0.3s ease;
    }

    #mouthpiece-type .cta-button:hover .cta-arrow {
        transform: translateX(3px);
    }

    /* Acceleration Section */
    #mouthpiece-type .acceleration-section {
        padding: 40px;
        margin: 4em auto;
    }

    #mouthpiece-type .acceleration-header {
        margin-bottom: 30px;
    }

    #mouthpiece-type .acceleration-title {
        font-size: 36px;
        margin-bottom: 10px;
        padding: 0.4em 1em;
        background: #fff;
        width: fit-content;
    }

    #mouthpiece-type .acceleration-subtitle {
        font-size: 24px !important;
        margin-bottom: 1em;
        padding: 0.4em 1.6em;
        background: #fff;
        width: fit-content;
    }

    #mouthpiece-type .acceleration-content {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        align-items: center;
    }

    #mouthpiece-type .acceleration-image img {
        width: 60%;
        height: auto;
        object-fit: cover;
        margin: 0 auto;
    }

    #mouthpiece-type .acceleration-description {
        color: var(--body-color-main-01);
    }

    #mouthpiece-type .acceleration-description p {
        font-size: 1rem;
        margin-bottom: 20px;
        font-family: var(--font-gothic);
    }

    #mouthpiece-type .acceleration-description p.acceleration-subtitle {
        font-family: var(--font-mincho);
    }

    #mouthpiece-type .acceleration-description p:last-child {
        margin-bottom: 0;
    }

    /* Responsive Design for Type Section */
    @media (max-width: 767px) {
        #mouthpiece-type {
            padding: 60px 0;
        }

        #mouthpiece-type .type-main-title {
            font-size: 24px;
            margin-bottom: 30px;
        }

        #mouthpiece-type .type-navigation {
            flex-direction: column;
            align-items: center;
        }

        #mouthpiece-type .nav-button {
            width: 100%;
            max-width: 400px;
            min-width: auto;
            text-align: left;
            font-weight: normal;
        }

        #mouthpiece-type .aligner-title {
            font-size: 20px;
            margin-bottom: 30px;
            gap: 20px;
        }

        #mouthpiece-type .aligner-content {
            flex-direction: column-reverse;
            gap: 30px;
        }

        #mouthpiece-type .aligner-features,
        #mouthpiece-type .aligner-image {
            width: 100%;
        }

        #mouthpiece-type .feature-text {
            font-size: 24px;
            text-align: center;
            margin: 0 auto;
        }

        #mouthpiece-type .aligner-description {
            width: 100%;
        }

        #mouthpiece-type .aligner-description p {
            font-size: 0.9rem;
        }

        #mouthpiece-type .acceleration-section {
            padding: 0;
        }

        #mouthpiece-type .acceleration-title {
            font-size: 24px;
            padding: 0.8rem 1.4rem;
        }

        #mouthpiece-type .acceleration-subtitle {
            font-size: 1rem;
        }

        #mouthpiece-type .acceleration-content {
            display: flex;
            flex-direction: column;
        }

        #mouthpiece-type .acceleration-description p.acceleration-subtitle {
            font-size: 1rem !important;
        }

        #mouthpiece-type .acceleration-description {
            display: contents;
        }

        #mouthpiece-type .acceleration-header {
            order: 1;
        }

        #mouthpiece-type .acceleration-image {
            order: 2;
        }

        #mouthpiece-type .acceleration-image img {
            width: 60%;
        }

        #mouthpiece-type .acceleration-description .acceleration-description-text {
            order: 3;
            font-size: 0.9rem;
        }

        #mouthpiece-type #invisalign .aligner-image {
            order: 2;
        }

        #mouthpiece-type #invisalign .aligner-features {
            order: 1;
        }
    }

    /* Fee Section Styles */
    #mouthpiece-fee {
        background-color: #f7f3ee;
        background-image: url("../img/mouthpiece-toc-bg.webp");
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        padding: 100px 0;
    }

    #mouthpiece-fee .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-fee .fee-title-area {
        text-align: center;
        margin-bottom: 70px;
        position: relative;
    }

    #mouthpiece-fee .fee-bg-text {
        font-size: 5.5rem;
        letter-spacing: 0.4rem;
        color: rgba(33, 64, 72, 0.08);
        font-weight: bold;
        margin-bottom: -10px;
        font-family: "Times New Roman", serif;
    }

    #mouthpiece-fee .fee-main-title {
        font-size: 2.6rem;
        color: #23454c;
        font-weight: bold;
        margin: 0;
    }

    #mouthpiece-fee .fee-subtitle {
        margin: 20px 0 25px;
        font-size: 1.2rem;
        line-height: 1.6;
        color: #3c5a5f;
    }

    #mouthpiece-fee .fee-description {
        font-size: 36px;
        line-height: 1.4;
        color: var(--body-color-main-01);
    }

    #mouthpiece-fee .type-navigation {
        margin-bottom: 2em;
    }

    #mouthpiece-fee .fee-block {
        padding: 60px;
        margin-bottom: 3rem;
        position: relative;
        scroll-margin-top: 120px;
    }

    #mouthpiece-fee .fee-block-header {
        text-align: center;
        margin-bottom: 50px;
    }

    #mouthpiece-fee .fee-block-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 30px;
        font-size: 2rem;
        color: #23454c;
        font-weight: bold;
        position: relative;
        padding-bottom: 15px;
        width: 100%;
    }

    #mouthpiece-fee .fee-block-title::before,
    #mouthpiece-fee .fee-block-title::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--body-color-main-01);
        max-width: none;
    }

    #mouthpiece-fee .fee-plan-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 60px;
    }

    #mouthpiece-fee .fee-plan-card {
        background: #FCF7F1;
        border: 1px solid #8E836C;
        text-align: center;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
    }

    #mouthpiece-fee .fee-plan-name {
        font-size: 1.3rem;
        font-weight: bold;
        color: #fff;
        background: #8E836C;
        margin-bottom: 15px;
        padding: 0.4em 1em;
    }

    #mouthpiece-fee .fee-plan-text-box {
        padding: 1em;
    }

    #mouthpiece-fee .fee-plan-desc {
        font-size: 16px;
        font-family: var(--font-gothic);
        color: var(--body-color-main-01);
        line-height: 1.6;
        margin-bottom: 25px;
    }

    #mouthpiece-fee .fee-plan-price {
        display: inline-flex;
        align-items: flex-end;
        justify-content: center;
        gap: 0.5em;
        font-size: 1.1rem;
        color: #8E836C;
        margin-bottom: 10px;
    }

    #mouthpiece-fee .fee-plan-amount {
        font-size: 48px;
        font-weight: normal;
        line-height: 1;
    }

    #mouthpiece-fee .fee-plan-unit-group {
        display: flex;
        flex-direction: column-reverse;
        line-height: 1.1;
        align-items: center;
    }

    #mouthpiece-fee .fee-plan-unit {
        font-size: 1rem;
    }

    #mouthpiece-fee .fee-plan-tax {
        font-size: 0.75rem;
    }

    #mouthpiece-fee .fee-plan-monthly {
        font-size: 20px;
        color: #8E836C;
        margin-bottom: 20px;
    }

    #mouthpiece-fee .fee-plan-note {
        font-size: 12px;
        font-family: var(--font-gothic);
        color: #777;
        line-height: 1.6;
    }

    #mouthpiece-fee .fee-loan-details {
        margin-top: 50px;
        border: 1px solid #d8cbb5;
        background: #fdf9f3;
        display: none;
    }

    #mouthpiece-fee .fee-loan-details summary {
        list-style: none;
        padding: 22px 30px;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 32px;
        color: #fff;
        transition: background 0.3s ease;
        background: #8E836C;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-fee .fee-loan-details summary {
            font-size: 24px;
        }
    }

    #mouthpiece-fee .fee-loan-details summary::-webkit-details-marker {
        display: none;
    }

    #mouthpiece-fee .fee-loan-details summary svg {
        transition: transform 0.3s ease;
    }

    #mouthpiece-fee .fee-loan-details[open] summary svg {
        transform: rotate(180deg);
    }

    #mouthpiece-fee .fee-loan-content {
        padding: 30px;
    }

    #mouthpiece-fee .fee-loan-table {
        width: 100%;
        border-collapse: collapse;
        background: white;
    }

    #mouthpiece-fee .fee-loan-table th,
    #mouthpiece-fee .fee-loan-table td {
        border: 1px solid #e5dcc8;
        padding: 18px 16px;
        text-align: center;
        font-size: 0.95rem;
        color: #23454c;
        line-height: 1.6;
        vertical-align: middle;
    }

    #mouthpiece-fee .fee-loan-table thead th {
        background: #708991;
        color: #fff;
        font-weight: bold;
    }

    #mouthpiece-fee .fee-loan-table thead th:first-child {
        background: #fdf9f3;
        border-top: none;
        border-left: none;
    }

    #mouthpiece-fee .fee-loan-table tbody th {
        background: var(--body-color-main-01);
        color: #fff;
    }

    #mouthpiece-fee .fee-loan-table th {
        width: 140px;
    }

    #mouthpiece-fee .fee-loan-table td {
        color: #3c5a5f;
    }

    #mouthpiece-fee .fee-contact-banner {
        background: url("../img/mouthpiece-cta-bg.webp") center / cover no-repeat;
        color: white;
        padding: 70px 50px;
        text-align: center;
        margin: 0 0 90px;
        position: relative;
        overflow: hidden;
    }

    #mouthpiece-fee .fee-contact-banner::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
        pointer-events: none;
    }

    #mouthpiece-fee .fee-contact-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
        position: relative;
    }

    .fee-contact-actions {
        display: flex;
        gap: 30px;
        justify-content: center;
        flex-wrap: wrap;
        position: relative;
    }

    .fee-contact-card {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        width: 30%;
        min-width: 240px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        /* box-shadow: 0 18px 35px rgba(0, 0, 0, 0.18); */
    }

    .fee-contact-card:hover {
        transform: translateY(-6px);
        /* box-shadow: 0 22px 40px rgba(0, 0, 0, 0.22); */
    }

    .fee-contact-label {
        font-size: 20px;
        padding: 0.2em 1em;
        text-align: center;
        width: 100%;
    }

    .fee-contact-main {
        font-size: 1.5rem;
        font-weight: bold;
        width: 100%;
        padding: 1rem;
        display: flex;
        justify-content: center;
        gap: 0.2em;
    }

    .fee-contact-web .fee-contact-label {
        background: #8C7C11;
        color: #fff;
    }

    .fee-contact-web .fee-contact-main {
        background: #fff;
        color: #4B4519;
    }

    .fee-contact-line .fee-contact-label {
        background: #B5E7C3;
        color: #006E1D;
    }

    .fee-contact-line .fee-contact-main {
        background: #00A72D;
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.4rem;
    }

    .fee-contact-line .fee-contact-main img {
        width: 46px;
        height: fit-content;
        aspect-ratio: 1;
    }

    .fee-contact-phone {
        background: rgba(44, 40, 60, 0.95);
        color: white;
    }

    .fee-contact-phone .fee-contact-label {
        font-size: 0.85rem;
        opacity: 0.9;
        line-height: 1.4;
    }

    /* Responsive Design for Fee Section */
    @media (max-width: 767px) {
        #mouthpiece-fee {
            padding: 60px 0 10px;
        }

        #mouthpiece-fee .fee-bg-text {
            font-size: 3.6rem;
            letter-spacing: 0.2rem;
        }

        #mouthpiece-fee .fee-main-title {
            font-size: 2rem;
        }

        #mouthpiece-fee .fee-subtitle {
            font-size: 22px;
        }

        #mouthpiece-fee .type-navigation {
            flex-direction: column;
        }

        #mouthpiece-fee .fee-anchor-buttons {
            flex-direction: column;
            gap: 16px;
        }

        #mouthpiece-fee .fee-anchor {
            width: 100%;
            min-width: 0;
            justify-content: center;
        }

        #mouthpiece-fee .fee-block {
            padding: 1rem 0;
            margin-bottom: 4rem;
        }

        #mouthpiece-fee .fee-plan-cards {
            grid-template-columns: 1fr;
        }

        #mouthpiece-fee .fee-plan-amount {
            font-size: 48px;
            font-family: var(--font-mincho);
            letter-spacing: 0.01em;
            font-weight: normal;
        }

        #mouthpiece-fee .fee-loan-content {
            padding: 20px 15px;
        }

        #mouthpiece-fee .fee-loan-table th,
        #mouthpiece-fee .fee-loan-table td {
            font-size: 0.85rem;
            padding: 14px 10px;
        }

        #mouthpiece-fee .fee-contact-banner {
            padding: 50px 25px;
        }

        .fee-contact-actions {
            flex-direction: column;
            gap: 20px;
        }

        .fee-contact-card {
            width: 100%;
        }

        #mouthpiece-fee .fee-description {
            font-size: 24px;
        }

        #mouthpiece-fee .fee-block-title {
            font-size: 20px;
            width: 100%;
        }

        .fee-contact-phone .fee-contact-main {
            padding: 0;
        }

        .fee-contact-phone {
            padding: 1rem;
        }

        .fee-contact-label {
            padding: 0.6em 1em;
        }
    }

    #mouthpiece-payment {
        background-color: #ebf1f2;
        padding: 100px 0;
    }

    #mouthpiece-payment .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-payment .payment-title-area {
        text-align: center;
        margin-bottom: 60px;
    }

    #mouthpiece-payment .payment-main-title {
        font-size: 2.2rem;
        color: #2f4d5c;
        letter-spacing: 0.1rem;
    }

    #mouthpiece-payment .payment-methods {
        display: flex;
        gap: 4em;
        justify-items: center;
        justify-content: center;
        margin-bottom: 70px;
    }

    #mouthpiece-payment .payment-card {
        background: transparent;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 25px;
    }

    #mouthpiece-payment .payment-icon {
        width: 160px;
        height: 160px;
        aspect-ratio: 1;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #fff;
        box-shadow: inset 0 0 0 2px rgba(76, 111, 147, 0.2);
    }

    #mouthpiece-payment .payment-icon svg {
        max-width: 100%;
        height: auto;
    }

    #mouthpiece-payment .payment-label {
        font-size: 1.1rem;
        color: #2f4d5c;
        font-weight: bold;
        letter-spacing: 0.05rem;
        margin: 0;
    }

    #mouthpiece-payment .payment-deduction {
        background: #D9E4E6;
        padding: 3rem;
        text-align: center;
        /* box-shadow: 0 25px 45px rgba(47, 77, 92, 0.12); */
    }

    #mouthpiece-payment .payment-deduction-title {
        font-size: 32px;
        color: var(--body-color-main-01);
        margin-bottom: 20px;
    }

    #mouthpiece-payment .payment-deduction-text {
        font-size: 1rem;
        line-height: 1.9;
        color: var(--body-color-main-01);
        margin: 0;
        font-family: var(--font-gothic);
    }

    @media (max-width: 767px) {
        #mouthpiece-payment {
            padding: 60px 0;
        }

        #mouthpiece-payment .payment-main-title {
            font-size: 1.8rem;
        }

        #mouthpiece-payment .payment-methods {
            gap: 2%;
            margin-bottom: 40px;
        }

        #mouthpiece-payment .payment-icon {
            width: 100%;
            height: fit-content;
            aspect-ratio: 1;
        }

        #mouthpiece-payment .payment-icon-image {
            width: 60%;
            height: fit-content;
        }

        #mouthpiece-payment .payment-label {
            font-size: 14px;
        }

        #mouthpiece-payment .payment-deduction {
            padding: 40px 20px;
            text-align: left;
        }

        #mouthpiece-payment .payment-deduction-title {
            text-align: center;
            font-size: 1.4rem;
        }

        #mouthpiece-payment .payment-deduction-text {
            font-size: 0.95rem;
            line-height: 1.8;
        }

        #mouthpiece-payment .payment-card {
            width: 30%;
            gap: 0.4rem;
        }
    }

    #mouthpiece-greeting {
        background-color: #ebf1f2;
        padding: 120px 0;
    }

    #mouthpiece-greeting .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px 60px;
    }

    #mouthpiece-greeting .greeting-title-area {
        text-align: center;
        margin-bottom: 80px;
        position: relative;
    }

    #mouthpiece-greeting .greeting-bg-text {
        font-size: 6rem;
        letter-spacing: 0.5rem;
        color: rgba(56, 90, 103, 0.18);
        font-weight: bold;
        font-family: "Times New Roman", serif;
        margin-bottom: -10px;
    }

    #mouthpiece-greeting .greeting-main-title {
        font-size: 2.5rem;
        letter-spacing: 0.2rem;
        color: #2f4d5c;
        font-weight: bold;
        margin: 0;
    }

    #mouthpiece-greeting .greeting-content {
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 60px;
        align-items: stretch;
        margin-bottom: 70px;
        position: relative;
    }

    #mouthpiece-greeting .greeting-image {
        background: #c3cdd2;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 460px;
        box-shadow: 0 30px 60px rgba(47, 77, 92, 0.2);
    }

    #mouthpiece-greeting .greeting-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    #mouthpiece-greeting .greeting-profile {
        padding: 1em 0;
    }

    #mouthpiece-greeting .greeting-clinic {
        font-size: 0.95rem;
        letter-spacing: 0.1rem;
        color: #3f5e69;
        margin-bottom: 18px;
    }

    #mouthpiece-greeting .greeting-name {
        margin: 0 0 25px;
    }

    #mouthpiece-greeting .greeting-name-jp {
        display: block;
        font-size: 2rem;
        color: #2f4d5c;
        letter-spacing: 0.18rem;
    }

    #mouthpiece-greeting .greeting-name-en {
        display: block;
        font-size: 1rem;
        color: #496672;
        letter-spacing: 0.1rem;
        margin-top: 6px;
    }

    #mouthpiece-greeting .greeting-message-tag {
        display: inline-block;
        font-size: 20px;
        background: #fff;
        color: #2f4d5c;
        padding: 10px 16px;
        letter-spacing: 0.12rem;
        margin-bottom: 25px;
        /* box-shadow: 0 12px 25px rgba(47, 77, 92, 0.12); */
    }

    #mouthpiece-greeting .greeting-message p {
        margin: 0 0 18px;
        font-size: 16px;
        line-height: 1.8;
        color: var(--body-color-main-01);
        font-family: var(--font-gothic);
    }

    #mouthpiece-greeting .greeting-message p:last-child {
        margin-bottom: 0;
    }

    #mouthpiece-greeting .greeting-history {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 40px;
        background: #D9E4E6;
        padding: 3em;
    }

    #mouthpiece-greeting .greeting-history-title {
        font-size: 1.2rem;
        color: #2f4d5c;
        font-weight: bold;
        letter-spacing: 0.08rem;
        margin-bottom: 18px;
        position: relative;
        width: fit-content;
    }

    #mouthpiece-greeting .greeting-history-title::after {
        content: '';
        display: block;
        width: 100%;
        height: 2px;
        background: #2f4d5c;
        margin-top: 10px;
    }

    #mouthpiece-greeting .greeting-history-list {
        list-style: none;
        padding: 0;
        margin: 0;
        display: grid;
        gap: 10px;
        font-size: 16px;
        color: var(--body-color-main-01);
        font-family: var(--font-gothic);
        line-height: 1.5;
    }

    /* #mouthpiece-greeting .greeting-history-list li::before {
        content: '・';
        color: #2f4d5c;
        margin-right: 6px;
    } */

    @media (max-width: 1024px) {
        #mouthpiece-greeting {
            padding: 100px 0;
        }

        #mouthpiece-greeting .greeting-content {
            grid-template-columns: 1fr;
            gap: 40px;
        }

        #mouthpiece-greeting .greeting-profile {
            padding: 35px;
        }

        #mouthpiece-greeting .greeting-image {
            min-height: 380px;
        }
    }

    @media (max-width: 767px) {
        #mouthpiece-greeting {
            padding: 70px 0;
        }

        #mouthpiece-greeting .greeting-title-area {
            margin-bottom: 50px;
        }

        #mouthpiece-greeting .greeting-bg-text {
            font-size: 4rem;
            letter-spacing: 0.3rem;
        }

        #mouthpiece-greeting .greeting-main-title {
            font-size: 2rem;
        }

        #mouthpiece-greeting .greeting-profile {
            padding: 0;
        }

        #mouthpiece-greeting .greeting-name-jp {
            font-size: 48px;
        }

        #mouthpiece-greeting .greeting-name-en {
            font-size: 24px;
        }

        #mouthpiece-greeting .greeting-message p {
            font-size: 0.9rem;
        }

        #mouthpiece-greeting .greeting-history {
            grid-template-columns: 1fr;
            gap: 30px;
            padding: 30px 22px;
        }

        #mouthpiece-greeting .greeting-clinic {
            font-size: 24px;
            letter-spacing: 0.01em;
        }

        #mouthpiece-greeting .greeting-message-tag {
            font-size: 24px;
        }

        #mouthpiece-greeting .greeting-history-list li::before {
            margin-right: 0;
        }
    }

    #mouthpiece-youtube-video {
        padding: 6rem 0;
        background-color: #f7f3ee;
    }

    #mouthpiece-youtube-video .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 2rem;
    }

    #mouthpiece-youtube-video .faq-video-wrapper {
        display: flex;
        justify-content: center;
    }

    #mouthpiece-youtube-video .faq-video-frame {
        width: 100%;
        max-width: 960px;
        aspect-ratio: 16 / 9;
        border-radius: 1rem;
        overflow: hidden;
        box-shadow: 0 20px 45px rgba(47, 77, 92, 0.12);
        background-color: #000;
    }

    #mouthpiece-youtube-video .faq-video-frame iframe {
        width: 100%;
        height: 100%;
        border: 0;
    }

    #mouthpiece-youtube-video .youtube-facade__play {
        display: block;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        cursor: pointer;
        background: #000;
        position: relative;
    }

    #mouthpiece-youtube-video .youtube-facade__thumb {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

    #mouthpiece-youtube-video .youtube-facade__play::after {
        content: "";
        position: absolute;
        inset: 0;
        margin: auto;
        width: 68px;
        height: 48px;
        background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 68 48'%3E%3Cpath fill='%23f00' d='M66.5 7.7a8.5 8.5 0 0 0-6-6C55.8 0 34 0 34 0S12.2 0 7.5 1.7a8.5 8.5 0 0 0-6 6A89 89 0 0 0 0 24a89 89 0 0 0 1.5 16.3 8.5 8.5 0 0 0 6 6C12.2 48 34 48 34 48s21.8 0 26.5-1.7a8.5 8.5 0 0 0 6-6A89 89 0 0 0 68 24a89 89 0 0 0-1.5-16.3z'/%3E%3Cpath fill='%23fff' d='M45 24 27 14v20'/%3E%3C/svg%3E") center/contain no-repeat;
        pointer-events: none;
    }

    #mouthpiece-faq {
        background-color: #ffffff;
        padding: 110px 0;
    }

    #mouthpiece-faq .section-inner {
        max-width: 960px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-faq .faq-title-area {
        text-align: center;
        margin-bottom: 70px;
        position: relative;
    }

    #mouthpiece-faq .faq-bg-text {
        font-size: 5.5rem;
        letter-spacing: 0.45rem;
        color: rgba(57, 92, 101, 0.12);
        font-weight: bold;
        font-family: "Times New Roman", serif;
        margin-bottom: -5px;
    }

    #mouthpiece-faq .faq-main-title {
        font-size: 2.4rem;
        letter-spacing: 0.15rem;
        color: #2f4d5c;
        font-weight: bold;
        margin: 0;
    }

    #mouthpiece-faq .faq-items {
        display: flex;
        flex-direction: column;
        gap: 18px;
    }

    #mouthpiece-faq .faq-item {
        background: #FCF7F1;
        box-shadow: 0 12px 30px rgba(53, 81, 93, 0.08);
        overflow: hidden;
        border: 1px solid transparent;
        transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    #mouthpiece-faq .faq-item[open] {
        border-color: rgba(47, 77, 92, 0.1);
        box-shadow: 0 18px 40px rgba(53, 81, 93, 0.15);
    }

    #mouthpiece-faq .faq-item summary {
        list-style: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        padding: 26px 34px;
        font-size: 1.1rem;
        color: #374f5a;
        font-weight: bold;
    }

    #mouthpiece-faq .faq-item summary::-webkit-details-marker {
        display: none;
    }

    #mouthpiece-faq .faq-question {
        display: flex;
        align-items: center;
        gap: 20px;
        flex: 1;
    }

    #mouthpiece-faq .faq-question-icon {
        display: grid;
        place-items: center;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: #ba9f7c;
        color: white;
        font-weight: bold;
        letter-spacing: 0.08rem;
        flex-shrink: 0;
    }

    #mouthpiece-faq .faq-question-text {
        display: block;
        font-size: 20px;
    }

    #mouthpiece-faq .faq-toggle-icon {
        position: relative;
        width: 22px;
        height: 22px;
        flex-shrink: 0;
    }

    #mouthpiece-faq .faq-toggle-icon::before,
    #mouthpiece-faq .faq-toggle-icon::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 18px;
        height: 2px;
        background: #35515d;
        transform: translate(-50%, -50%);
        transition: transform 0.3s ease;
    }

    #mouthpiece-faq .faq-toggle-icon::after {
        transform: translate(-50%, -50%) rotate(90deg);
    }

    #mouthpiece-faq .faq-item[open] .faq-toggle-icon::after {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    #mouthpiece-faq .faq-answer {
        display: flex;
        gap: 20px;
        align-items: flex-start;
        padding: 0 34px 30px;
        font-size: 0.97rem;
        line-height: 1.8;
        color: #425962;
    }

    #mouthpiece-faq .faq-answer-icon {
        display: grid;
        place-items: center;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: #2f4d5c;
        color: white;
        font-weight: bold;
        letter-spacing: 0.08rem;
        flex-shrink: 0;
        margin-top: 4px;
        padding-left: 1px;
    }

    #mouthpiece-faq .faq-answer p {
        margin: 0;
        font-family: var(--font-gothic);
        font-size: 16px;
    }

    @media (max-width: 767px) {
        #mouthpiece-youtube-video {
            padding: 4rem 0;
            background-color: #ffffff;
        }

        #mouthpiece-youtube-video .section-inner {
            padding: 0 1.5rem;
        }

        #mouthpiece-youtube-video .faq-video-frame {
            border-radius: 0.75rem;
            box-shadow: 0 12px 24px rgba(47, 77, 92, 0.16);
        }
    }

    @media (max-width: 767px) {
        #mouthpiece-faq {
            padding: 70px 0;
        }

        #mouthpiece-faq .faq-title-area {
            margin-bottom: 40px;
        }

        #mouthpiece-faq .faq-bg-text {
            font-size: 3.8rem;
            letter-spacing: 0.3rem;
        }

        #mouthpiece-faq .faq-main-title {
            font-size: 2rem;
        }

        #mouthpiece-faq .faq-item summary {
            gap: 16px;
            padding: 22px 20px;
            font-size: 1rem;
        }

        #mouthpiece-faq .faq-question {
            gap: 14px;
        }

        #mouthpiece-faq .faq-answer {
            gap: 14px;
            padding: 0 20px 24px;
            font-size: 0.9rem;
        }

        #mouthpiece-faq .faq-answer-icon {
            margin-top: 0;
        }
    }

    #mouthpiece-flow {
        background-color: #fcf7f1;
        padding: 120px 0;
        position: relative;
    }

    #mouthpiece-flow .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px 40px;
        position: relative;
    }

    #mouthpiece-flow .flow-title-area {
        text-align: center;
        margin-bottom: 80px;
        position: relative;
    }

    #mouthpiece-flow .flow-bg-text {
        font-size: 6rem;
        letter-spacing: 0.5rem;
        color: rgba(77, 96, 107, 0.1);
        font-weight: bold;
        font-family: "Times New Roman", serif;
        margin-bottom: -10px;
    }

    #mouthpiece-flow .flow-main-title {
        font-size: 2.5rem;
        color: #35515d;
        font-weight: bold;
        margin: 0;
        letter-spacing: 0.2rem;
    }

    #mouthpiece-flow .flow-steps {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 70px 0;
        position: relative;
    }

    #mouthpiece-flow .flow-step {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 0;
        position: relative;
        z-index: 1;
    }

    #mouthpiece-flow .flow-step-header {
        position: relative;
    }

    @media screen and (min-width: 1024px) {
        #mouthpiece-flow .flow-step-header::before {
            content: "";
            display: inline-block;
            width: 400px;
            height: 4px;
            background-image: url("../img/mouthpiece-flow-line.svg");
            background-position: center;
            background-size: contain;
            background-repeat: no-repeat;
            position: absolute;
            transform: translate(0%, -50%);
            top: 50%;
            left: 50%;
            z-index: -1;
        }

        #mouthpiece-flow .flow-steps article:nth-child(even) .flow-step-header::before {
            transform: translate(-100%, -50%) rotate(-45deg);
            top: 125%;
            left: 50%;
            width: 500px;
        }

        #mouthpiece-flow .flow-steps article:last-child .flow-step-header::before {
            content: none;
        }
    }

    #mouthpiece-flow .flow-step-badge {
        display: inline-flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        background: #b7a389;
        color: white;
        font-size: 20px;
        letter-spacing: 0.1rem;
        aspect-ratio: 1 / 1;
        width: 100px;
        border-radius: 50%;
        margin-bottom: -35px;
        box-shadow: 0 15px 30px rgba(83, 60, 37, 0.25);
        position: absolute;
        top: 0;
        left: 0;
        z-index: 2;
        font-weight: lighter;
    }

    #mouthpiece-flow .flow-step-badge strong {
        font-size: 32px;
        letter-spacing: 0.1rem;
        line-height: 1;
    }

    #mouthpiece-flow .flow-step-image {
        width: 320px;
        height: 320px;
        border-radius: 50%;
        overflow: hidden;
        /* box-shadow: 0 25px 55px rgba(47, 77, 92, 0.18); */
    }

    #mouthpiece-flow .flow-step-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    #mouthpiece-flow .flow-step-body {
        width: 100%;
        max-width: 360px;
        position: relative;
        text-align: left;
        margin-top: -2rem;
    }

    #mouthpiece-flow .flow-step-title {
        font-size: 1.4rem;
        color: #534322;
        margin-bottom: 18px;
        background: #fff;
        width: fit-content;
        padding: 0.2em 1em;
    }

    #mouthpiece-flow .flow-step-text {
        font-size: 16px;
        color: #4f5f66;
        margin: 0;
        font-family: var(--font-gothic);
    }

    @media (max-width: 767px) {
        #mouthpiece-flow {
            padding: 70px 0;
        }

        #mouthpiece-flow .flow-title-area {
            margin-bottom: 50px;
        }

        #mouthpiece-flow .flow-bg-text {
            font-size: 4rem;
            letter-spacing: 0.3rem;
        }

        #mouthpiece-flow .flow-main-title {
            font-size: 2rem;
        }

        #mouthpiece-flow .flow-steps {
            grid-template-columns: 1fr;
            gap: 50px;
        }

        #mouthpiece-flow .flow-step {
            flex-direction: column;
            gap: 20px;
        }

        #mouthpiece-flow .flow-step-image {
            width: 100%;
            height: fit-content;
        }

        #mouthpiece-flow .flow-step-body {
            max-width: 100%;
            padding: 0;
            margin-top: -3rem;
        }

        #mouthpiece-flow .flow-step-title {
            font-size: 1.3rem;
        }

        #mouthpiece-flow .flow-step-text {
            font-size: 0.9rem;
        }

        #mouthpiece-flow .flow-step-badge {
            width: 80px;
            height: 80px;
            margin-bottom: -25px;
            font-size: 0.85rem;
        }

        #mouthpiece-flow .flow-step-badge strong {
            font-size: 1.3rem;
        }
    }

    /* Reason Section Styles */
    #mouthpiece-reason {
        background: url("../img/mouthpiece-reason-bg.webp") top/cover no-repeat;
        padding: 80px 0;
    }

    #mouthpiece-reason .section-inner {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-reason .section-inner {
            padding: 0;
        }
    }

    /* Main Title Area */
    #mouthpiece-reason .reason-title-area {
        text-align: center;
        margin-bottom: 80px;
        position: relative;
    }

    #mouthpiece-reason .reason-main-title {
        font-size: 2.5rem;
        font-weight: bold;
        margin-bottom: 20px;
        line-height: 1.4;
    }

    #mouthpiece-reason .reason-subtitle {
        color: var(--body-color-main-01);
        font-size: 1.3rem;
        font-weight: bold;
        line-height: 1.6;
    }

    /* Reason Items */
    #mouthpiece-reason .reason-item {
        margin-bottom: 15rem;
        position: relative;
    }

    @media screen and (min-width: 767px) {
        #mouthpiece-reason .reason-item-large-margin {
            margin-bottom: 15rem;
        }
    }

    #mouthpiece-reason .reason-bg-number {
        position: absolute;
        left: 0;
        top: 0;
        transform: translate(0%, -88%);
        font-size: 80px;
        color: rgba(231, 224, 209, 1);
        z-index: 0;
        line-height: 1;
        font-family: var(--font-english);
    }

    #mouthpiece-reason .reason-reverse .reason-bg-number {
        color: #DBE9EB;
    }

    #mouthpiece-reason .reason-text-full .reason-bg-number {
        color: #E3E1EC;
    }

    #mouthpiece-reason .reason-item-5 .reason-bg-number {
        color: #DBE9EB;
    }

    #mouthpiece-reason .reason-item-title {
        color: var(--body-color-main-01);
        font-size: 1.8rem;
        margin-bottom: 40px;
        position: relative;
        z-index: 2;
        line-height: 1.4;
    }

    /* Reason Content Layouts */
    #mouthpiece-reason .reason-content {
        display: flex;
        justify-content: center;
        align-items: flex-end;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-reason .reason-reverse {
        flex-direction: row-reverse;
    }

    #mouthpiece-reason .reason-text {
        width: 50%;
        background: rgba(231, 224, 209, 0.7);
        padding: 2rem;
        position: relative;
        margin: 0 0 -10rem -3rem;
    }

    #mouthpiece-reason .reason-text::before {
        content: "";
        display: inline-block;
        width: 230px;
        height: 140px;
        background-image: url("../img/mouthpiece-reason-before-01.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        bottom: 0;
        right: 0;
        z-index: 0;
    }

    #mouthpiece-reason .reason-reverse .reason-text::before {
        background-image: url("../img/mouthpiece-reason-before-02.svg");
    }

    #mouthpiece-reason .reason-reverse .reason-text {
        background: rgba(235, 241, 242, 0.7);
        margin: 0 -3rem -10rem 0;
    }

    #mouthpiece-reason .reason-image {
        width: 50%;
    }

    #mouthpiece-reason .reason-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }

    #mouthpiece-reason .reason-text p {
        color: var(--body-color-main-01);
        font-family: var(--font-gothic);
        font-size: 20px;
        line-height: 1.8;
        margin: 0;
        position: relative;
        z-index: 1;
    }

    #mouthpiece-reason .reason-text-full {
        position: relative;
        z-index: 2;
        background: rgba(215, 212, 225, 0.3);
        padding: 2rem 2rem 4rem;
        position: relative;
    }

    #mouthpiece-reason .reason-text-full::before {
        content: "";
        display: inline-block;
        width: 230px;
        height: 140px;
        background-image: url("../img/mouthpiece-reason-before-03.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        bottom: -10px;
        right: 0;
        z-index: 0;
    }

    #mouthpiece-reason .reason-text-full-5::before {
        content: none;
    }

    #mouthpiece-reason .reason-item-5 {
        background: rgba(235, 241, 242, 0.7);
        padding: 2rem;
        margin-bottom: 2rem;
    }

    #mouthpiece-reason .reason-text-full-5 {
        background: transparent;
        padding: 0;
        margin-bottom: 2rem;
    }

    #mouthpiece-reason .reason-text-full p {
        color: var(--body-color-main-01);
        font-size: 20px;
        font-family: var(--font-gothic);
        line-height: 1.8;
        margin: 0;
    }

    /* Equipment Gallery */
    #mouthpiece-reason .equipment-gallery {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 2%;
        position: relative;
        z-index: 2;
        margin-top: -2rem;
    }

    #mouthpiece-reason .equipment-item {
        text-align: center;
        aspect-ratio: 1;
        width: 28%;
    }

    #mouthpiece-reason .equipment-item img {
        width: 100%;
        height: auto;
        object-fit: cover;
        margin: 0 auto;
    }

    #mouthpiece-reason .equipment-item p {
        color: #fff;
        background: #37353F;
        font-size: 20px;
        margin: 0;
        padding: 0.6rem 1rem;
        font-family: var(--font-gothic);
    }

    /* Free Services */
    #mouthpiece-reason .free-services {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 2%;
        position: relative;
        z-index: 2;
    }

    #mouthpiece-reason .free-service-item {
        width: 20%;
        padding: 2em 1em;
        text-align: center;
        position: relative;
    }

    #mouthpiece-reason .free-service-item::before {
        content: "";
        display: inline-block;
        width: 110%;
        height: auto;
        aspect-ratio: 1 / 1;
        background-image: url("../img/mouthpiece-reason-free-frame.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        transform: translate(-50%, -50%);
        top: 45%;
        left: 50%;
        z-index: 0;
    }

    #mouthpiece-reason .service-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 0.6rem;
        position: relative;
        aspect-ratio: 1;
    }

    #mouthpiece-reason .service-number {
        color: #44392E;
        font-size: 1.2rem;
        font-weight: bold;
        margin: 1em auto;
    }

    #mouthpiece-reason .service-number-2line {
        margin: 1em auto 0;
    }

    #mouthpiece-reason .service-text {
        color: #44392E;
        font-size: 24px;
        line-height: 1.4;
        letter-spacing: 0;
        white-space: nowrap;
    }

    /* Consultation Details */
    #mouthpiece-reason .consultation-details {
        margin-top: 80px;
        position: relative;
        z-index: 2;
        border: 1px solid var(--body-color-main-01);
        padding: 4rem;
        background: #fff;
    }

    #mouthpiece-reason .consultation-title {
        color: var(--body-color-main-01);
        font-size: 1.8rem;
        text-align: center;
        margin-bottom: 50px;
    }

    #mouthpiece-reason .consultation-grid {
        display: flex;
        justify-content: space-between;
        gap: 1rem;
    }

    #mouthpiece-reason .consultation-item {
        text-align: center;
        width: 30%;
    }

    #mouthpiece-reason .consultation-image {
        aspect-ratio: 1 / 1;
    }

    #mouthpiece-reason .consultation-image img {
        width: 100%;
        height: 80%;
        object-fit: cover;
    }

    #mouthpiece-reason .consultation-item-title {
        color: #fff;
        font-size: 18px;
        margin-bottom: 15px;
        font-family: var(--font-gothic);
        background: #37353F;
        padding: 0.4em 0;
    }

    #mouthpiece-reason .consultation-description {
        color: var(--body-color-main-01);
        font-family: var(--font-gothic);
        font-size: 1rem;
        line-height: 1.6;
        margin: 0;
    }

    /* Responsive Design for Reason Section */
    @media (max-width: 767px) {
        #mouthpiece-reason {
            padding: 60px 0 10px;
        }

        #mouthpiece-reason .reason-title-area {
            padding: 0 20px;
        }

        #mouthpiece-reason .reason-main-title {
            font-size: 2rem;
        }

        #mouthpiece-reason .reason-subtitle {
            font-size: 20px;
            font-weight: normal;
        }

        #mouthpiece-reason .reason-image img {
            width: 90%;
        }

        #mouthpiece-reason .reason-reverse .reason-image img {
            margin-left: auto;
        }

        #mouthpiece-reason .reason-item {
            margin-bottom: 60px;
        }

        #mouthpiece-reason .reason-item-5 {
            padding: 1rem;
        }

        #mouthpiece-reason .reason-bg-number {
            font-size: 4rem;
            left: 0;
        }

        #mouthpiece-reason .reason-item-title {
            font-size: 1.4rem;
            margin-bottom: 30px;
        }

        #mouthpiece-reason .reason-content {
            flex-direction: column;
            gap: 30px;
        }

        #mouthpiece-reason .reason-reverse {
            flex-direction: column-reverse;
        }

        #mouthpiece-reason .reason-image {
            width: 100%;
        }

        #mouthpiece-reason .reason-text {
            width: 90%;
            padding: 1rem;
            margin: -3rem 0 0 auto;
        }

        #mouthpiece-reason .reason-reverse .reason-text {
            order: 1;
            margin: -3rem auto 0 0;
        }

        #mouthpiece-reason .reason-reverse .reason-image {
            order: 2;
        }

        #mouthpiece-reason .reason-text p,
        #mouthpiece-reason .reason-text-full p {
            font-size: 16px;
        }

        #mouthpiece-reason .equipment-gallery {
            flex-wrap: wrap;
            justify-content: space-around;
        }

        #mouthpiece-reason .equipment-item {
            width: 40%;
            margin-bottom: 1rem;
        }

        #mouthpiece-reason .equipment-item p {
            font-size: 14px;
            padding: 0.2rem;
            font-weight: lighter;
        }

        #mouthpiece-reason .free-service-item {
            transform: none;
            padding: 1rem 0;
            width: 33%;
        }

        #mouthpiece-reason .free-service-item:hover {
            transform: scale(1.02);
        }

        #mouthpiece-reason .service-number {
            font-size: 12px;
        }

        #mouthpiece-reason .service-text {
            font-size: 14px;
            white-space: nowrap;
        }

        #mouthpiece-reason .consultation-details {
            margin-top: 60px;
            padding: 2rem;
        }

        #mouthpiece-reason .consultation-title {
            font-size: 24px;
            margin-bottom: 30px;
        }

        #mouthpiece-reason .consultation-grid {
            flex-direction: column;
            gap: 30px;
        }

        #mouthpiece-reason .consultation-item {
            width: 100%;
        }

        #mouthpiece-reason .consultation-item-title {
            font-size: 16px;
            font-weight: lighter;
        }

        #mouthpiece-reason .consultation-description {
            font-size: 0.9rem;
        }
    }

    /* CTA-2 Section Styles */
    #mouthpiece-cta-2 {
        background-color: #f4f4f4;
        padding: 80px 0;
    }

    #mouthpiece-cta-2 .section-inner {
        max-width: 1000px;
        margin: 0 auto;
        padding: 0 20px;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-cta-2 .section-inner {
            padding: 0 10px;
        }
    }

    /* Coupon Section */
    #mouthpiece-cta-2 .coupon-container {
        background: url("../img/mouthpiece-cta-coupon.svg") no-repeat center center;
        background-size: contain;
        aspect-ratio: 986 / 312;
        padding: 30px;
        position: relative;
        width: 100%;
        margin-bottom: 2em;
    }

    #mouthpiece-cta-2 .coupon {
        width: 84%;
        height: 100%;
        color: var(--body-color-main-01);
    }

    #mouthpiece-cta-2 .coupon::after {
        display: none;
    }

    #mouthpiece-cta-2 .coupon-content {
        display: flex;
        align-items: center;
        gap: 0;
        flex-wrap: wrap;
        padding-left: 8%;
    }

    #mouthpiece-cta-2 .coupon-title {
        width: 100%;
        font-size: 42px;
        margin-bottom: 40px;
        line-height: 1.4;
    }

    #mouthpiece-cta-2 .coupon-left {
        width: 50%;
        position: relative;
    }

    #mouthpiece-cta-2 .coupon-left::before {
        content: "";
        display: inline-block;
        width: 120%;
        height: auto;
        aspect-ratio: 420 / 170;
        background-image: url("../img/mouthpiece-cta-coupon-bg-before.svg");
        background-position: center;
        background-size: contain;
        background-repeat: no-repeat;
        position: absolute;
        transform: translate(0%, -50%);
        top: 50%;
        left: -8%;
        z-index: 0;
    }

    #mouthpiece-cta-2 .coupon-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    #mouthpiece-cta-2 .coupon-list li {
        font-size: 28px;
        font-weight: normal;
        font-family: var(--font-gothic);
        margin-bottom: 8px;
        position: relative;
        padding-left: 32px;
        line-height: 1.2;
        white-space: nowrap;
    }

    #mouthpiece-cta-2 .coupon-list li::before {
        content: '✓';
        position: absolute;
        left: 0;
        color: var(--body-color-main-01);
        font-weight: bold;
    }

    #mouthpiece-cta-2 .coupon-right {
        width: 44%;
    }

    #mouthpiece-cta-2 .price-display {
        text-align: center;
        display: flex;
        align-items: end;
        line-height: 1;
        margin-top: -2em;
        gap: 0.2em;
        position: relative;
    }

    #mouthpiece-cta-2 .price-label {
        font-size: 72px;
        display: block;
        margin-bottom: 5px;
        white-space: nowrap;
        margin-right: 0.2em;
    }

    #mouthpiece-cta-2 .price-symbol {
        font-size: 60px;
    }

    #mouthpiece-cta-2 .price-amount {
        background: linear-gradient(142.62deg, #D1B896 20.31%, #A18257 72.9%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
        font-size: 160px;
        font-weight: bold;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        margin-bottom: -10px;
    }

    #mouthpiece-cta-2 .tab-text {
        color: white;
        font-size: 0.9rem;
        font-weight: bold;
        writing-mode: vertical-rl;
        text-orientation: mixed;
    }

    /* CTA Button Section */
    #mouthpiece-cta-2 .cta-button-container {
        display: flex;
        justify-content: center;
    }

    #mouthpiece-cta-2 .cta-button {
        background: linear-gradient(360deg, #C7AD00 40.88%, #D6C870 100%);
        padding: 1em;
        width: 100%;
        display: flex;
        align-items: center;
        gap: 30px;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0px 4.82864px 12.4338px 4.82864px rgba(157, 157, 157, 0.25);
        position: relative;
        overflow: hidden;
        border-radius: var(--border-radius-full);
        border: 3px solid #fff;
    }

    #mouthpiece-cta-2 .cta-button:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(212, 175, 55, 0.4);
    }

    #mouthpiece-cta-2 .button-left {
        flex-shrink: 0;
    }

    #mouthpiece-cta-2 .time-info {
        background: white;
        border-radius: 50%;
        width: 180px;
        height: 180px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-cta-2 .time-text {
        color: #6D6010;
        font-size: 22px;
        line-height: 1.2;
        text-align: center;
        letter-spacing: 0.01em;
    }

    #mouthpiece-cta-2 .button-center {
        flex: 1;
        text-align: center;
        padding-right: 5em;
    }

    #mouthpiece-cta-2 .reservation-text {
        color: #fff;
        font-size: 32px;
        margin-bottom: 0.5em;
        line-height: 1;
    }

    #mouthpiece-cta-2 .reservation-text .reservation-number {
        font-size: 1.5em;
        line-height: 1;
        display: inline-block;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-cta-2 .button-center {
            padding-right: 0;
        }
    }

    #mouthpiece-cta-2 .main-text {
        color: #fff;
        font-size: 76px;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        line-height: 1;
    }

    #mouthpiece-doctor {
        padding: min(160px, 11.43vw) 0 min(140px, 10vw);
        background: #EBF1F2;
    }

    #mouthpiece-doctor .mouthpiece-doctor__inner {
        max-width: min(1200px, 85.71vw);
        margin: 0 auto;
        padding: 0 min(40px, 2.86vw);
        display: flex;
        flex-direction: column;
        gap: min(32px, 2.29vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__header {
        text-align: center;
    }

    #mouthpiece-doctor .mouthpiece-doctor__title {
        font-size: min(48px, 3.43vw);
        color: #1f4f5e;
        text-align: center;
    }

    #mouthpiece-doctor .mouthpiece-doctor__layout {
        display: flex;
        flex-wrap: wrap;
        gap: min(24px, 1.71vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__block {
        flex: 1 1 calc(50% - min(12px, 0.86vw));
        display: flex;
        flex-direction: column;
        gap: min(16px, 1.14vw);
        min-width: min(320px, 22.8vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__block--profile,
    #mouthpiece-doctor .mouthpiece-doctor__block--message {
        background: none;
        padding: 0;
    }

    #mouthpiece-doctor .mouthpiece-doctor__block--message {
        gap: 0;
    }

    #mouthpiece-doctor .mouthpiece-doctor__block--history,
    #mouthpiece-doctor .mouthpiece-doctor__block--media {
        background: #d9e4e6;
        padding: min(24px, 1.71vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__photo {
        width: 100%;
        margin-bottom: min(16px, 1.14vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__photo img {
        width: 100%;
        height: auto;
        display: block;
    }

    #mouthpiece-doctor .mouthpiece-doctor__clinic {
        font-size: min(24px, 1.71vw);
        color: #4e5b60;
    }

    #mouthpiece-doctor .mouthpiece-doctor__name {
        font-size: min(48px, 3.43vw);
        color: #1f4f5e;
        line-height: 1.4;
    }

    #mouthpiece-doctor .mouthpiece-doctor__name-en {
        font-size: min(24px, 1.71vw);
        color: #4e5b60;
    }

    #mouthpiece-doctor .mouthpiece-doctor__highlight {
        text-align: center;
        font-size: 23px;
        margin-bottom: min(10px, 0.71vw);
    }

    #mouthpiece-doctor .mouthpiece-doctor__highlight p {
        background: #fff;
        padding: min(12px, 0.86vw) min(18px, 1.29vw);
        width: fit-content;
        margin: min(8px, 0.57vw) 0;
        color: var(--body-color-main-01);
    }

    #mouthpiece-doctor .mouthpiece-doctor__paragraph {
        font-size: min(20px, 1.43vw);
        color: var(--body-color-main-01);
        font-family: var(--font-gothic);
        text-align: left;
    }

    #mouthpiece-doctor .mouthpiece-doctor__history-title,
    #mouthpiece-doctor .mouthpiece-doctor__media-title {
        font-size: min(24px, 1.71vw);
        color: #1f4f5e;
    }

    #mouthpiece-doctor .mouthpiece-doctor__history-list {
        flex-direction: column;
    }

    #mouthpiece-doctor .mouthpiece-doctor__history-list,
    #mouthpiece-doctor .mouthpiece-doctor__media-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        font-size: min(16px, 1.14vw);
        color: #4e5b60;
        font-family: var(--font-gothic);
    }

    #mouthpiece-doctor .mouthpiece-doctor__media-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    #mouthpiece-doctor .mouthpiece-doctor__media-list li {
        width: 48%;
    }

    #mouthpiece-doctor .mouthpiece-doctor__media-link {
        display: block;
        text-decoration: none;
    }

    #mouthpiece-doctor .mouthpiece-doctor__media-link img {
        width: 100%;
        height: auto;
        display: block;
    }

    @media (max-width: 767px) {
        #mouthpiece-doctor {
            padding: 24vw 0 26vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__inner {
            max-width: none;
            padding: 0 8vw;
            gap: 8vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__title {
            font-size: 8.8vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__layout {
            flex-direction: column;
            gap: 6vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__block {
            flex: 1 1 100%;
            min-width: 100%;
            gap: 4vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__block--history,
        #mouthpiece-doctor .mouthpiece-doctor__block--media {
            padding: 6vw 5vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__photo {
            margin-bottom: 5vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__clinic {
            font-size: 6.4vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__name {
            font-size: 12vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__name-en {
            font-size: 6.4vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__highlight {
            font-size: 6.4vw;
            text-align: left;
        }

        #mouthpiece-doctor .mouthpiece-doctor__highlight p {
            padding: 3vw 5vw;
            width: 100%;
            letter-spacing: 0.01em;
        }

        #mouthpiece-doctor .mouthpiece-doctor__paragraph {
            font-size: 4.3vw;
            line-height: 1.7;
        }

        #mouthpiece-doctor .mouthpiece-doctor__history-title,
        #mouthpiece-doctor .mouthpiece-doctor__media-title {
            font-size: 6.4vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__history-list,
        #mouthpiece-doctor .mouthpiece-doctor__media-list {
            font-size: 4.3vw;
            gap: 1vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__media-list {
            gap: 4vw;
        }

        #mouthpiece-doctor .mouthpiece-doctor__media-list li {
            width: 100%;
        }
    }

    #mouthpiece-info {
        background-color: #ffffff;
        padding: 120px 0;
    }

    #mouthpiece-info .section-inner {
        max-width: 1100px;
        margin: 0 auto;
        padding: 0 20px;
    }

    #mouthpiece-info .info-title-area {
        text-align: center;
        margin-bottom: 70px;
        position: relative;
    }

    #mouthpiece-info .info-bg-text {
        font-size: 6rem;
        letter-spacing: 0.5rem;
        color: rgba(56, 90, 103, 0.15);
        font-weight: bold;
        font-family: "Times New Roman", serif;
        margin-bottom: -10px;
    }

    #mouthpiece-info .info-main-title {
        font-size: 2.4rem;
        color: #2f4d5c;
        font-weight: bold;
        letter-spacing: 0.2rem;
        margin: 0;
    }

    #mouthpiece-info .info-slider {
        position: relative;
    }

    #mouthpiece-info .info-slide {
        padding: 0 12px;
    }

    #mouthpiece-info .info-slide-frame {
        position: relative;
        width: 100%;
        aspect-ratio: 16 / 10;
        border-radius: 12px;
        overflow: hidden;
        background: #fff;
    }

    #mouthpiece-info .info-slide-frame img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    #mouthpiece-info .slick-dots {
        bottom: -40px;
    }

    #mouthpiece-info .slick-dots li button:before {
        color: #99aab3;
        opacity: 1;
        font-size: 12px;
    }

    #mouthpiece-info .slick-dots li.slick-active button:before {
        color: #2f4d5c;
    }

    @media (max-width: 1024px) {
        #mouthpiece-info {
            padding: 100px 0;
        }
    }

    @media (max-width: 767px) {
        #mouthpiece-info {
            padding: 70px 0;
        }

        #mouthpiece-info .info-title-area {
            margin-bottom: 40px;
        }

        #mouthpiece-info .info-bg-text {
            font-size: 4rem;
            letter-spacing: 0.3rem;
        }

        #mouthpiece-info .info-main-title {
            font-size: 2rem;
        }

        #mouthpiece-info .info-slide {
            padding: 0 6px;
        }
    }

    #mouthpiece-clinic-info {
        background: linear-gradient(0deg, #F1F1F1 0%, #F1F1F1 72%, #FFFFFF 72%, #FFFFFF 100%);
        padding: min(140px, 10vw) 0 min(160px, 11.43vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__inner {
        width: min(1200px, 85.71vw);
        margin: 0 auto;
        padding: 0 min(40px, 2.86vw);
        display: flex;
        flex-direction: column;
        gap: min(60px, 4.29vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__header {
        text-align: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__title {
        font-size: min(42px, 3vw);
        color: #1c4b57;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__gallery {
        display: flex;
        flex-direction: column;
        gap: min(24px, 1.71vw);
        align-items: center;
        margin-bottom: min(60px, 4.29vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__slider {
        width: 100%;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__slider .slick-list {
        overflow: visible;
        margin: 0 calc(-1 * min(12px, 0.86vw));
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__slider .slick-slide {
        transform: scale(1);
        opacity: 1;
        transition: transform 0.3s ease, opacity 0.3s ease;
        margin-inline: 10px;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__slide {
        background: #d9d9d9;
        height: auto;
        aspect-ratio: 320 / 180;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__slide img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    @media (min-width: 767px) {
        #mouthpiece-clinic-info .mouthpiece-clinic-info__slider .slick-slide {
            transform: scale(0.92);
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__slider .slick-slide.slick-center {
            transform: scale(1.1);
            opacity: 1;
        }
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__dots {
        display: flex;
        gap: min(12px, 0.86vw);
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__dot {
        width: min(12px, 0.86vw);
        height: min(12px, 0.86vw);
        border-radius: 50%;
        border: none;
        background: rgba(55, 53, 63, 0.3);
        cursor: pointer;
        padding: 0;
        transition: background 0.3s ease;
    }

    @media screen and (max-width: 767px) {
        #mouthpiece-clinic-info .mouthpiece-clinic-info__dot {
            width: 2vw;
            height: 2vw;
        }
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__dot.is-active {
        background: #1c4b57;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__body {
        display: flex;
        gap: min(40px, 2.86vw);
        align-items: stretch;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__visual {
        flex: 0 0 45%;
        background: #d9d9d9;
        margin: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__visual iframe {
        width: 100%;
        height: 100%;
        border: 0;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__details {
        flex: 0 0 52%;
        display: flex;
        flex-direction: column;
        gap: min(30px, 2.14vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__identity {
        display: flex;
        gap: min(20px, 1.43vw);
        align-items: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__logo {
        flex: 0 0 60px;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__logo img {
        width: 100%;
        height: auto;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__texts {
        display: flex;
        flex-direction: column;
        gap: min(10px, 0.71vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__name {
        font-size: min(28px, 2vw);
        color: #1c4b57;
        margin: 0;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__address {
        margin: 0;
        font-size: min(18px, 1.29vw);
        color: var(--body-color-main-01);
        line-height: 1.6;
        font-family: var(--font-gothic);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule {
        background: #f5f2ee;
        padding: 0;
        border-radius: min(12px, 0.86vw);
        max-width: none;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-wrap {
        width: 100%;
        overflow-x: visible;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-wrap .mouthpiece-schedule-note {
        font-family: var(--font-gothic);
        margin-top: 10px;
        font-size: 14px;
        color: #4b4034;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table {
        width: 100%;
        min-width: min(520px, 37.14vw);
        border-collapse: collapse;
        border: 1px solid #d5ccc2;
        background: #fff;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tr {
        display: flex;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-headline th {
        background: #8a7760;
        color: #fff;
        font-size: min(18px, 1.29vw);
        letter-spacing: 0.05em;
        font-family: var(--font-gothic);
        padding: min(12px, 0.86vw) 0;
        border-right: 1px solid rgba(255, 255, 255, 0.3);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-headline th:last-child {
        border-right: none;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-head {
        text-align: center;
        width: 30%;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-day {
        text-align: center;
        min-width: 10%;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody th,
    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody td {
        border-top: 1px solid #e2dcd4;
        border-right: 1px solid #e2dcd4;
        vertical-align: middle;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody th:last-child,
    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody td:last-child {
        border-right: none;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-timecell {
        text-align: left;
        padding: min(12px, 0.86vw) min(14px, 1vw);
        font-family: var(--font-gothic);
        width: 30%;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-time {
        display: block;
        font-size: 16px;
        color: #4b4034;
        line-height: 1;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-note {
        font-size: 12px;
        color: #7a6a55;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-status {
        text-align: center;
        padding: min(12px, 0.86vw) min(14px, 1vw);
        width: 10%;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-status.is-open {
        color: #7a6a55;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-status.is-close {
        color: #c6b09a;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__status-icon {
        display: inline-flex;
        width: min(18px, 1.29vw);
        height: min(18px, 1.29vw);
        border-radius: 50%;
        background: #8a7760;
    }

    @media (max-width: 767px) {
        #mouthpiece-clinic-info .mouthpiece-clinic-info__status-icon {
            width: 4vw;
            height: 4vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody th,
        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table tbody td {
            padding: 4vw 0;
        }
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__status-text {
        font-size: min(22px, 1.57vw);
        letter-spacing: 0.05em;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule .screen-reader-text {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        border: 0;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__actions {
        display: flex;
        flex-wrap: wrap;
        gap: min(18px, 1.29vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action {
        flex: 1 1 min(240px, 17.14vw);
        text-decoration: none;
        padding: min(26px, 1.86vw);
        display: flex;
        flex-direction: column;
        color: inherit;
        align-items: center;
        justify-content: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action-label {
        font-size: min(20px, 1.43vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action-value {
        font-size: min(34px, 2.43vw);
        line-height: 1.4;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel {
        background: #36333f;
        color: #fff;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel .mouthpiece-clinic-info__action-value {
        display: flex;
        align-items: center;
        gap: min(12px, 0.86vw);
        font-size: min(38px, 2.71vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel .mouthpiece-clinic-info__action-value::before {
        content: "";
        width: min(28px, 2vw);
        height: min(28px, 2vw);
        background: url("../img/mouthpiece-cta-icon-tel.svg") center/contain no-repeat;
        display: inline-block;
        margin-top: min(8px, 0.57vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web {
        border: 1px solid #8C7C11;
        color: #8C7C11;
        background: #fff;
        padding: 0;
        overflow: hidden;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web::before {
        content: attr(data-headline);
        display: block;
        width: 100%;
        padding: min(8px, 0.57vw);
        background: #8C7C11;
        color: #fff;
        font-size: min(20px, 1.43vw);
        text-align: center;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web .mouthpiece-clinic-info__action-value {
        width: 100%;
        padding: min(16px, 1.14vw);
        text-align: center;
        color: #4B4519;
        font-size: min(24px, 1.71vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line {
        background: #00a63c;
        color: #fff;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web .mouthpiece-clinic-info__action-label {
        display: none;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-label {
        font-size: min(20px, 1.43vw);
        display: block;
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-value {
        display: flex;
        align-items: center;
        gap: min(14px, 1vw);
    }

    #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-value img {
        width: min(50px, 3.57vw);
        height: min(50px, 3.57vw);
    }

    @media (max-width: 767px) {
        #mouthpiece-clinic-info {
            padding: 18vw 0 22vw;
            background: linear-gradient(0deg, #F1F1F1 0%, #F1F1F1 85%, #FFFFFF 85%, #FFFFFF 100%);
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__inner {
            max-width: none;
            padding: 0 6vw;
            gap: 8vw;
            width: 100%;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__title {
            font-size: 7.2vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__gallery {
            gap: 4vw;
            align-items: stretch;
            margin-bottom: 0;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__slider {
            width: 100%;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__slide {
            height: 48vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__dots {
            gap: 2vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__body {
            flex-direction: column;
            gap: 8vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__visual {
            width: 100%;
            height: auto;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__visual iframe {
            height: 70vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__details {
            gap: 5vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__identity {
            gap: 2vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__logo {
            flex: 0 0 14vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__texts {
            align-items: flex-start;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__name {
            font-size: 6.4vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__address {
            font-size: 3.8vw;
            line-height: 1.8;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule {
            width: 100%;
            padding: 0;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-table {
            min-width: 100%;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-day {
            min-width: 10%;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-headline th {
            font-size: 4.3vw;
            padding: 3vw 0;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-time {
            font-size: 3vw;
            margin-bottom: 1vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule-note {
            font-size: 2vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__status-text {
            font-size: 5vw;
        }
    }

    @media (max-width: 767px) {
        #mouthpiece-clinic-info {
            padding: 18vw 0 20vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__inner {
            padding: 0 6vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__body {
            flex-direction: column;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__visual iframe {
            width: 100%;
            height: 60vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__schedule {
            padding: 0;
            max-width: 100%;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__actions {
            flex-direction: column;
            gap: 4vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action-label {
            font-size: 5.3vw;
            margin-bottom: 2vw;
            padding: 0;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel .mouthpiece-clinic-info__action-value {
            font-size: 9vw;
            padding: 0;
            gap: 3vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web::before {
            font-size: 5.3vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web .mouthpiece-clinic-info__action-value {
            font-size: 5.4vw;
            padding: 3vw 0;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action {
            flex: 0 0 auto;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--web {
            order: 1;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line {
            order: 2;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel {
            order: 3;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-label {
            font-size: 4.6vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-value {
            font-size: 8vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line .mouthpiece-clinic-info__action-value img {
            width: 12.8vw;
            height: 12.8vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel .mouthpiece-clinic-info__action-value::before {
            width: 7.4vw;
            height: 7.4vw;
        }

        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--tel,
        #mouthpiece-clinic-info .mouthpiece-clinic-info__action--line {
            padding: 4vw 0;
        }
    }

    /* Responsive Design for CTA-2 Section */
    @media (max-width: 767px) {
        #mouthpiece-cta-2 {
            padding: 60px 0;
        }

        #mouthpiece-cta-2 .coupon-container {
            padding: 0;
        }

        #mouthpiece-cta-2 .coupon {
            padding: 10px;
            margin: 0 20px;
        }

        #mouthpiece-cta-2 .coupon::after {
            right: -15px;
            width: 30px;
        }

        #mouthpiece-cta-2 .coupon-content {
            padding-left: 0;
            align-items: flex-end;
        }

        #mouthpiece-cta-2 .coupon-title {
            font-size: 4vw;
            margin-bottom: 1vw;
            letter-spacing: 0.05em;
        }

        #mouthpiece-cta-2 .coupon-list li {
            font-size: 12px;
            padding-left: 1rem;
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }

        #mouthpiece-cta-2 .price-label {
            font-size: 7vw;
            margin-bottom: 0;
        }

        #mouthpiece-cta-2 .price-symbol {
            font-size: 5.6vw;
        }

        #mouthpiece-cta-2 .coupon-right {
            width: 48%;
        }

        #mouthpiece-cta-2 .price-display {
            gap: 0;
            justify-content: flex-end;
        }

        #mouthpiece-cta-2 .price-amount {
            font-size: 14vw;
            margin-bottom: -2px;
        }

        #mouthpiece-cta-2 .coupon-tab {
            right: 0;
            padding: 10px 15px;
            font-size: 12px;
        }

        #mouthpiece-cta-2 .tab-text {
            font-size: 0.8rem;
        }

        #mouthpiece-cta-2 .cta-button {
            gap: 0;
            padding: 10px;
        }

        #mouthpiece-cta-2 .time-info {
            width: auto;
            height: 20vw;
            padding: 20px;
            border-radius: 10vw;
        }

        #mouthpiece-cta-2 .time-text {
            font-size: 3vw;
        }

        #mouthpiece-cta-2 .reservation-text {
            font-size: 0.8rem;
        }

        #mouthpiece-cta-2 .main-text {
            font-size: 1.6rem;
        }
    }