@charset "UTF-8";
.elementor-widget-wrap {
  padding: 0 !important;
}

p {
  margin-bottom: 0;
}

.dib {
  display: inline-block;
}

img {
  width: 100%;
  height: auto;
  max-width: 100%;
}

#key {
  position: relative;
}
@media screen and (min-width: 768px) {
  #key .key-slide .img {
    height: 800px;
  }
}
#key .group-ttl {
  position: absolute;
  z-index: 2;
  bottom: 20px;
  right: 21px;
  left: 72px;
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0 20px;
}
@media screen and (max-width: 1400px) {
  #key .group-ttl {
    left: 20px;
  }
}
#key .group-ttl .group-content {
  margin: 0 0 38px;
  max-width: 100%;
  color: #fff;
}
@media screen and (max-width: 1100px) {
  #key .group-ttl .group-content {
    margin: 0 0 20px;
  }
}
#key .group-ttl .group-content .title {
  font-size: 36px;
  line-height: 52px;
  font-weight: 500;
  letter-spacing: 0;
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.4);
}
#key .group-ttl .group-content .title span {
  display: inline-block;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content .title {
    font-size: 28px;
    line-height: 40px;
  }
}
#key .group-ttl .group-content .sub-title {
  font-weight: 500;
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.4);
  font-size: 24px;
  line-height: 1.5;
  letter-spacing: 0;
  margin: 20px 0 53px;
}
@media screen and (max-width: 1100px) {
  #key .group-ttl .group-content .sub-title {
    margin: 20px 0;
  }
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content .sub-title {
    font-size: 14px;
    line-height: 1.5;
  }
}
#key .group-ttl .group-content ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  width: 715px;
  max-width: 100%;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content ul {
    gap: 10px;
    width: 505px;
  }
}
#key .group-ttl .group-content ul li {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 18px;
  line-height: 24px;
  width: 225px;
  height: 70px;
  font-weight: 500;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content ul li {
    width: 160px;
    height: 50px;
    font-size: 13px;
    line-height: 17px;
  }
}
#key .group-ttl .group-content ul li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  opacity: 0.8;
}
#key .group-ttl .group-content ul li:after {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  right: 5px;
  bottom: 5px;
  border: 1px solid #fff;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content ul li:after {
    top: 3.5px;
    left: 3.5px;
    right: 3.5px;
    bottom: 3.5px;
  }
}
#key .group-ttl .group-content ul li > span {
  display: block;
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: center;
}
#key .group-ttl .group-content ul li .fs {
  font-size: 28px;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .group-content ul li .fs {
    font-size: 20px;
  }
}
#key .group-ttl .bnr {
  width: 390px;
  max-width: 100%;
}
@media screen and (max-width: 1000px) {
  #key .group-ttl .bnr {
    width: 330px;
  }
}
@media screen and (max-width: 767px) {
  #key .group-ttl {
    left: 0;
    right: 0;
    bottom: 70px;
    display: block;
  }
  #key .group-ttl .group-content {
    margin: 0 0 38px;
  }
  #key .group-ttl .group-content .title {
    margin: 0 0 0 26px;
  }
}
@media screen and (max-width: 767px) and (max-width: 380px) {
  #key .group-ttl .group-content .title {
    font-size: 26px;
  }
}
@media screen and (max-width: 767px) {
  #key .group-ttl .group-content .sub-title {
    margin: 20px 0 48px 26px;
  }
  #key .group-ttl .group-content ul {
    margin: 0 auto;
    width: 331px;
  }
  #key .group-ttl .bnr {
    margin: 0 auto;
  }
}

.section-contact {
  padding: 86px 0 55px;
  text-align: center;
  background: url("../img/mouthpiece/contact_bg.jpg") no-repeat center/cover;
  color: #fff;
}
.section-contact .group-title {
  position: relative;
}
.section-contact .group-title .title-en {
  position: absolute;
  left: 0;
  right: 0;
  top: -32px;
  font-size: 80px;
  line-height: 48px;
  opacity: 0.2;
}
.section-contact .group-title .title {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 1.5;
  font-weight: 500;
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.4);
}
.section-contact .group-title .title span {
  display: inline-block;
}
.section-contact .sub-title {
  margin: 33px 0 18px;
}
.section-contact .sub-title span {
  display: inline-block;
  border: 1px solid;
  font-size: 24px;
  line-height: 2;
  padding: 4px 35px 6px;
  font-weight: 500;
}
.section-contact .sub-title span small {
  font-size: inherit;
  display: inline-block;
}
.section-contact .text {
  margin: 0 30px 36px;
}
.section-contact .box {
  max-width: calc(100% - 40px);
  width: 1140px;
  background: #fff;
  position: relative;
  padding: 36px 45px 41px;
  position: relative;
  margin: 0 auto;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
}
.section-contact .box::before, .section-contact .box:after {
  content: "";
  position: absolute;
  width: 42px;
  height: 36px;
  box-sizing: border-box;
  border-top: 2px solid #E9E9E9;
  top: 25px;
}
.section-contact .box::before {
  left: 32px;
  border-left: 2px solid #E9E9E9;
}
.section-contact .box::after {
  right: 32px;
  border-right: 2px solid #E9E9E9;
}
.section-contact .box .border {
  position: absolute;
  bottom: 25px;
  left: 32px;
  right: 32px;
  height: 36px;
  display: flex;
  justify-content: space-between;
}
.section-contact .box .border::before, .section-contact .box .border:after {
  content: "";
  width: 42px;
  height: 100%;
  box-sizing: border-box;
  border-bottom: 2px solid #E9E9E9;
}
.section-contact .box .border::before {
  border-left: 2px solid #E9E9E9;
}
.section-contact .box .border::after {
  border-right: 2px solid #E9E9E9;
}
.section-contact .box h3 {
  font-weight: 500;
  font-size: 24px;
  line-height: 2;
  color: #000;
  margin: 0 0 16px;
}
.section-contact .box .flex {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}
.section-contact .box .flex .item {
  width: 460px;
  max-width: calc(50% - 20px);
}
.section-contact .box .flex .item .inner {
  padding: 21px 20px 25px;
  background: linear-gradient(180deg, #D3BD85 0%, #A18039 100%);
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
}
.section-contact .box .flex .item .title {
  width: 410px;
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
  color: #000;
  font-size: 28px;
  font-weight: 500;
  line-height: 48px;
  padding: 10px 0 4.5px;
}
.section-contact .box .flex .item .title small {
  display: block;
  line-height: 1.2;
  font-size: 18px;
}
.section-contact .box .flex .item .tel {
  margin: 19px 0 24px;
}
.section-contact .box .flex .item .tel a {
  display: flex;
  justify-content: center;
  align-items: end;
  font-size: 45px;
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
  gap: 10px;
}
.section-contact .box .flex .item .tel a::before {
  content: "";
  background: url("../img/mouthpiece/icon_tel.svg") no-repeat center/100% auto;
  width: 39px;
  height: 55px;
}
.section-contact .box .flex .item .group-btn {
  display: flex;
  justify-content: center;
  gap: 10px;
}
.section-contact .box .flex .item .group-btn p {
  width: 180px;
  max-width: calc(50% - 5px);
}
.section-contact .box .flex .item .group-btn a {
  display: block;
  line-height: 0;
}
.section-contact .box .flex .item .sub-txt {
  text-align: right;
  font-size: 12px;
  line-height: 1.5;
  margin: 8px 0 0;
  color: #000;
}
@media screen and (max-width: 930px) {
  .section-contact .box .flex .item .title {
    font-size: 18px;
    line-height: 32px;
    padding: 9px 0 0;
  }
  .section-contact .box .flex .item .title small {
    font-size: 12px;
    line-height: 0.7;
  }
  .section-contact .box .flex .item .tel a {
    font-size: 29px;
    line-height: 41px;
  }
  .section-contact .box .flex .item .tel a::before {
    width: 26px;
    height: 36px;
  }
}
.section-contact .sub-title2 {
  font-size: 24px;
  margin: 37px 0 0;
}
@media screen and (max-width: 767px) {
  .section-contact {
    background-image: url("../img/mouthpiece/contact_bg_sp.jpg");
    padding: 74px 0 59px;
  }
  .section-contact .group-title .title-en {
    font-size: 40px;
    top: -25px;
  }
  .section-contact .group-title .title {
    font-size: 24px;
  }
  .section-contact .sub-title {
    margin: 32px 20px;
  }
  .section-contact .sub-title span {
    display: block;
    font-size: 16px;
    line-height: 1.5;
    padding: 5px 0 4px;
  }
  .section-contact .text {
    font-size: 14px;
    margin: 0 20px 33px;
  }
  .section-contact .box {
    padding: 56px 25px;
  }
  .section-contact .box::before, .section-contact .box:after {
    top: 10px;
  }
  .section-contact .box::before {
    left: 10px;
  }
  .section-contact .box::after {
    right: 10px;
  }
  .section-contact .box .border {
    bottom: 10px;
    left: 10px;
    right: 10px;
  }
  .section-contact .box .flex {
    gap: 20px;
  }
  .section-contact .box .flex .item {
    width: 100%;
    max-width: 100%;
  }
  .section-contact .box .flex .item .inner {
    padding: 14px 17px 27px;
  }
  .section-contact .box .flex .item .tel {
    margin: 12px 0 22px;
  }
  .section-contact .box .flex .item .group-btn {
    flex-direction: column;
    width: 210px;
    margin: 0 auto;
  }
  .section-contact .box .flex .item .group-btn p {
    width: 100%;
    max-width: 100%;
  }
  .section-contact .box .flex .item .group-btn p img {
    width: 180px;
    max-width: 100%;
    opacity: 1;
  }
  .section-contact .box .flex .item .group-btn p a {
    background: #767676;
  }
  .section-contact .box .flex .item .group-btn p:nth-child(2) a {
    background: #06C755;
  }
  .section-contact .sub-title2 {
    font-size: 18px;
    line-height: 24px;
    margin: 36px 0 0;
  }
}

#sec1 {
  background: url("../img/mouthpiece/s1_bg.png") no-repeat top center/cover;
  padding: 60px 0 37px;
}
#sec1 .title {
  text-align: center;
  color: #fff;
  font-size: 32px;
  line-height: 1.125;
  padding: 25px 0 26px;
  position: relative;
}
#sec1 .title > span {
  display: block;
  position: relative;
  z-index: 2;
}
#sec1 .title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  opacity: 0.9;
}
#sec1 .flex {
  display: flex;
  justify-content: flex-end;
  gap: 67px;
  align-items: center;
  margin: 9px 0 0;
}
#sec1 .flex .group-txt {
  width: 782px;
  max-width: 69%;
}
#sec1 .flex .group-txt .text + .text {
  margin-top: 32px;
}
#sec1 .flex .img {
  width: 267px;
  max-width: 25%;
}
@media screen and (max-width: 767px) {
  #sec1 {
    background: url("../img/mouthpiece/s1_deco.svg") no-repeat top center/100% auto, url("../img/mouthpiece/s1_bg_sp.jpg") no-repeat center/cover;
    padding: 38px 0 52px;
  }
  #sec1 .title {
    font-size: 24px;
    line-height: 1.25;
    padding: 14px 0 13px;
  }
  #sec1 .title .dib {
    display: block;
  }
  #sec1 .flex {
    display: block;
    margin: 28px 0 0;
  }
  #sec1 .flex .img {
    width: 203px;
    margin: 0 auto 28px;
    max-width: 100%;
  }
  #sec1 .flex .group-txt {
    max-width: 100%;
    width: 100%;
  }
  #sec1 .flex .group-txt .text {
    font-size: 14px;
  }
  #sec1 .flex .group-txt .text + .text {
    margin-top: 28px;
  }
}

#sec2 {
  background: url("../img/mouthpiece/youtube_bg.png") no-repeat center/cover;
  padding: 35px 0 67px;
  text-align: center;
}
#sec2 .title {
  margin: 0 0 7px;
  line-height: 3;
}
#sec2 .logo {
  margin: 0 auto 57px;
  width: 287.6px;
}
#sec2 .youtube-slide {
  width: 1000px;
  max-width: calc(100% - 100px);
  margin: 0 auto;
}
#sec2 .youtube-slide .slick-arrow {
  position: absolute;
  background: url("../img/mouthpiece/left.svg") no-repeat center/100% auto;
  width: 26px;
  height: 37px;
  border: 0;
  outline: 0;
  font-size: 0;
  line-height: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 0;
  cursor: pointer;
}
#sec2 .youtube-slide .slick-arrow.slick-next {
  right: -64px;
  background-image: url("../img/mouthpiece/right.svg");
}
#sec2 .youtube-slide .slick-arrow.slick-prev {
  left: -64px;
}
@media (hover: hover) {
  #sec2 .youtube-slide .slick-arrow:hover {
    opacity: 0.8;
  }
}
#sec2 .youtube-slide .item {
  margin: 0 10px;
}
#sec2 .youtube-slide .item iframe {
  max-width: 100%;
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}
#sec2 .link-text {
  margin: 60px 0 0;
}
#sec2 .link-text span, #sec2 .link-text a {
  display: inline-block;
  background: #767676;
  color: #fff;
  font-size: 20px;
  line-height: 2.4;
  padding: 2px 40px;
  border-radius: 30px;
}
@media screen and (max-width: 767px) {
  #sec2 {
    padding: 31px 0 42px;
    background-image: url("../img/mouthpiece/youtube_bg_sp.jpg");
  }
  #sec2 .title {
    font-size: 12px;
    margin: 0 0 4px;
  }
  #sec2 .logo {
    width: 212.5px;
    margin: 0 auto 42px;
  }
  #sec2 .youtube-slide {
    max-width: calc(100% - 40px);
  }
  #sec2 .youtube-slide .slick-arrow {
    width: 16px;
    height: 24px;
  }
  #sec2 .youtube-slide .slick-arrow.slick-prev {
    left: -30px;
  }
  #sec2 .youtube-slide .slick-arrow.slick-next {
    right: -30px;
  }
  #sec2 .youtube-slide .item {
    margin: 0 5px;
  }
  #sec2 .link-text {
    margin: 38px 0 0;
  }
  #sec2 .link-text span, #sec2 .link-text a {
    font-size: 16px;
    line-height: 2.5;
    padding: 1px 36px;
    border-radius: 24px;
  }
}

#sec3 {
  padding: 0 0 229px;
  overflow: hidden;
  background: url("../img/mouthpiece/bg.png") no-repeat center/cover;
}
#sec3 .title {
  width: 1262px;
  max-width: calc(100% - 40px);
  margin: 0 auto;
  line-height: 1.2;
  font-size: 40px;
  text-align: center;
  color: #fff;
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.4);
  padding: 46px 40px 92px;
  background: url("../img/mouthpiece/bg_title.svg") no-repeat center bottom/cover;
}
#sec3 .group-title {
  margin: 80px 0 106px;
  text-align: center;
  position: relative;
}
@media screen and (max-width: 1026px) {
  #sec3 .group-title {
    margin-top: 130px;
  }
}
#sec3 .group-title .title-en {
  opacity: 0.15;
  font-size: 80px;
  color: #4F4F4F;
  line-height: 1;
  position: absolute;
  left: 0;
  right: 0;
  bottom: calc(100% - 40px);
}
#sec3 .group-title h3 {
  font-size: 42px;
  line-height: 48px;
  position: relative;
  z-index: 2;
  color: #4F4F4F;
  font-weight: 500;
}
#sec3 .group-title h3 > small {
  display: block;
  font-size: 28px;
  margin: 0 0 3px;
}
#sec3 .group-title h3 span {
  display: block;
}
#sec3 .group-title h3 span small {
  font-size: 32px;
}
#sec3 .item {
  margin: 0 auto;
  width: 1140px;
  max-width: calc(100% - 40px);
}
#sec3 .item dl {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 -30px 23px -9px;
  position: relative;
  z-index: 2;
}
#sec3 .item dl dt {
  line-height: 1.22;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
  font-size: 100px;
  min-width: 132px;
  text-align: center;
}
#sec3 .item dl dd {
  font-size: 32px;
  line-height: 48px;
  color: #333;
}
#sec3 .item .flex {
  display: flex;
  justify-content: space-between;
}
#sec3 .item .flex > .img {
  filter: drop-shadow(3px 3px 6px rgba(0, 0, 0, 0.1));
  width: 710px;
  max-width: 62.3%;
  position: relative;
  z-index: 2;
}
#sec3 .item .flex .group-txt {
  position: relative;
  width: 370px;
  max-width: 33%;
}
#sec3 .item .flex .group-txt::before {
  content: "";
  position: absolute;
  top: -100px;
  bottom: -115px;
  left: -120px;
  z-index: 1;
  width: 100vw;
  background: #fff;
}
#sec3 .item .flex .group-txt .txt {
  position: relative;
  z-index: 2;
}
#sec3 .item .flex .group-img {
  filter: drop-shadow(3px 3px 6px rgba(0, 0, 0, 0.1));
  width: 710px;
  max-width: 62.3%;
  position: relative;
  z-index: 2;
  align-self: flex-start;
}
#sec3 .item .flex .group-img .img2 {
  position: absolute;
  max-width: 68.5%;
  width: 485.5px;
  right: -16.3%;
  bottom: -28%;
  z-index: 2;
}
@media screen and (max-width: 1370px) {
  #sec3 .item .flex .group-img .img2 {
    right: -10px;
  }
}
@media screen and (min-width: 768px) {
  #sec3 .item:nth-of-type(odd) {
    margin-top: 165px;
  }
  #sec3 .item:nth-of-type(odd) dl {
    justify-content: flex-end;
  }
  #sec3 .item:nth-of-type(odd) dl dd {
    min-width: 519px;
  }
  #sec3 .item:nth-of-type(odd) .flex {
    flex-direction: row-reverse;
  }
  #sec3 .item:nth-of-type(odd) .flex .group-txt::before {
    left: auto;
    right: -120px;
    opacity: 0.7;
  }
  #sec3 .item:nth-of-type(even):not(:nth-of-type(2)) {
    margin-top: 191px;
  }
}
@media screen and (max-width: 767px) {
  #sec3 {
    padding: 0 0 91px;
    background-image: url("../img/mouthpiece/bg_sp.jpg");
  }
  #sec3 .title {
    max-width: 100%;
    background-image: url("../img/mouthpiece/bg_title_sp.svg");
    font-size: 22px;
    line-height: 1.5;
    padding: 47px 0 72px;
  }
  #sec3 .group-title {
    margin: 33px 0 26px;
    padding: 60px 0 0;
  }
  #sec3 .group-title .title-en {
    bottom: auto;
    top: 0;
    font-size: 40px;
    line-height: 1.125;
  }
  #sec3 .group-title h3 {
    font-size: 28px;
    line-height: 36px;
  }
  #sec3 .group-title h3 > small {
    font-size: 18px;
    line-height: 48px;
    margin: 0 0 -5px;
  }
  #sec3 .group-title h3 span small {
    font-size: 20px;
  }
  #sec3 .item dl {
    gap: 8px;
    margin: 0 -20px 14px 0;
  }
  #sec3 .item dl dt {
    line-height: 1.3152;
    font-size: 50px;
    min-width: 57px;
  }
  #sec3 .item dl dd {
    font-size: 18px;
    line-height: 1.5;
  }
  #sec3 .item .flex {
    display: block;
  }
  #sec3 .item .flex > .img {
    width: 100%;
    max-width: 100%;
  }
  #sec3 .item .flex .group-txt {
    max-width: 100%;
    width: 100%;
    padding: 29.5px 0 50px;
  }
  #sec3 .item .flex .group-txt::before {
    top: -60.5px;
    left: -20px;
    right: -20px;
    width: auto;
    bottom: 0;
  }
  #sec3 .item .flex .group-txt .txt {
    font-size: 14px;
  }
  #sec3 .item .flex .group-img {
    width: 100%;
    max-width: 100%;
    padding: 0 0 13.5vw;
  }
  #sec3 .item .flex .group-img .img {
    width: 86%;
  }
  #sec3 .item .flex .group-img .img2 {
    width: 59%;
    max-width: 59%;
    right: 0;
    bottom: 0;
  }
  #sec3 .item + .item {
    margin-top: 40px;
  }
}

#sec4 {
  background: url("../img/mouthpiece/concept_bg2.jpg") no-repeat center/cover;
  color: #fff;
  padding: 113px 0 108px;
  text-align: center;
}
#sec4 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 66px;
}
#sec4 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.3;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
}
#sec4 .group-title h2 {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 32px;
  line-height: 30px;
  gap: 18px;
  font-weight: 500;
}
@media screen and (max-width: 999px) {
  #sec4 .group-title h2 {
    flex-direction: column;
    align-items: center;
  }
}
#sec4 .text + .text {
  margin-top: 32px;
}
@media screen and (max-width: 767px) {
  #sec4 {
    background-image: url("../img/mouthpiece/concept_bg2_sp.jpg");
    padding: 40px 0 44px;
  }
  #sec4 .group-title {
    padding: 33px 0 0;
    margin: 0 0 22px;
  }
  #sec4 .group-title .title-en {
    font-size: 40px;
    opacity: 0.2;
  }
  #sec4 .group-title h2 {
    font-size: 24px;
    gap: 7px;
  }
  #sec4 .group-title h2 img {
    width: 24px;
  }
  #sec4 .text {
    text-align: left;
    font-size: 14px;
  }
  #sec4 .text + .text {
    margin-top: 28px;
  }
}

#sec5 {
  background: url("../img/mouthpiece/trouble_bg.jpg") no-repeat 70% center/cover;
  color: #fff;
  padding: 113px 0 95px;
}
#sec5 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 84px;
  text-align: center;
}
#sec5 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.3;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
}
#sec5 .group-title h2 {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
}
#sec5 .group-list {
  display: flex;
  margin: 0 0 50px 136px;
  justify-content: center;
  gap: 17px;
}
#sec5 .group-list ul li {
  padding: 0 0 0 22px;
  position: relative;
}
#sec5 .group-list ul li::before {
  content: "";
  background: url("../img/mouthpiece/icon_check.svg") no-repeat center/100% auto;
  width: 16px;
  height: 13px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
#sec5 .group-list ul li + li {
  margin-top: 10px;
}
@media screen and (max-width: 1000px) {
  #sec5 .group-list {
    margin-left: -10px;
    margin-right: -10px;
  }
}
#sec5 .group {
  display: flex;
  gap: 10px 15px;
  justify-content: center;
  flex-wrap: wrap;
}
#sec5 .group p {
  margin: 0;
  width: 150px;
}
@media screen and (max-width: 1200px) {
  #sec5 .group {
    margin: 0 auto;
    max-width: 815px;
  }
}
@media screen and (max-width: 767px) {
  #sec5 {
    padding: 36px 0 46px;
    background-image: url("../img/mouthpiece/trouble_bg_sp.jpg");
    background-position: center;
  }
  #sec5 .group-title {
    padding: 33px 0 0;
    margin: 0 0 45px;
  }
  #sec5 .group-title .title-en {
    font-size: 40px;
    opacity: 0.2;
  }
  #sec5 .group-title h2 {
    font-size: 24px;
  }
  #sec5 .group-list {
    display: block;
    margin: 0 0 42px;
  }
  #sec5 .group-list ul li {
    font-size: 14px;
    padding-left: 28px;
    line-height: 1.5;
  }
}

#sec6 {
  background: url("../img/mouthpiece/case_bg.jpg") no-repeat center/cover;
  padding: 93px 0 100px;
}
@media screen and (min-width: 768px) {
  #sec6 .container {
    max-width: calc(100% - 80px);
  }
}
#sec6 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 50px;
  text-align: center;
}
#sec6 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  position: absolute;
  left: 0;
  color: #fff;
  right: 0;
  top: 0;
}
#sec6 .group-title h2 {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec6 .case-slide {
  margin: 0 -20px;
}
@media screen and (max-width: 1350px) {
  #sec6 .case-slide {
    margin: 0;
  }
}
#sec6 .case-slide .slick-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 60px;
  border: 0;
  outline: none;
  cursor: pointer;
  font-size: 0;
  line-height: 0;
  background: url("../img/mouthpiece/left2.svg") no-repeat center/100% auto;
}
#sec6 .case-slide .slick-arrow.slick-prev {
  left: -64px;
}
#sec6 .case-slide .slick-arrow.slick-next {
  right: -64px;
  background-image: url("../img/mouthpiece/right2.svg");
}
@media screen and (max-width: 1350px) {
  #sec6 .case-slide .slick-arrow.slick-prev {
    left: -35px;
  }
  #sec6 .case-slide .slick-arrow.slick-next {
    right: -35px;
  }
}
#sec6 .case-slide .item {
  margin: 20px;
  background: #fff;
  padding: 0 0 37px;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
}
@media screen and (max-width: 1350px) {
  #sec6 .case-slide .item {
    margin: 10px;
  }
}
#sec6 .case-slide .item .title {
  text-align: center;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 0 12px;
  gap: 8px;
  font-size: 30px;
  line-height: 1.24;
}
#sec6 .case-slide .item .title small {
  font-size: 18px;
  line-height: 1.5;
  border: 1px solid;
  padding: 0 20px;
}
#sec6 .case-slide .item .flex {
  margin: 34px auto 0;
  max-width: calc(100% - 40px);
  width: 470px;
  display: flex;
  justify-content: space-between;
}
#sec6 .case-slide .item .flex .col {
  width: 210px;
  max-width: calc(50% - 25px);
}
#sec6 .case-slide .item .flex .col .tit {
  text-align: center;
  color: #fff;
  margin: 0 0 10px;
  line-height: 1.5;
  padding: 3px 0;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
}
#sec6 .case-slide .item .flex .col + .col .tit {
  background: linear-gradient(180deg, #D3BD85 0%, #A18039 100%);
}
#sec6 .case-slide .item .flex .col + .col p:has(img) {
  position: relative;
}
#sec6 .case-slide .item .flex .col + .col p:has(img)::before {
  content: "";
  width: 24px;
  height: 29px;
  background: url("../img/mouthpiece/case_arrow.svg") no-repeat center/100% auto;
  top: 50%;
  transform: translateY(-50%);
  left: -36px;
  position: absolute;
}
#sec6 .case-slide .item .info {
  max-width: calc(100% - 40px);
  width: 470px;
  margin: 34px auto 0;
  line-height: 1.5;
  font-size: 14px;
  border: 1px solid #B8B8B8;
  border-bottom: 0;
}
#sec6 .case-slide .item .info dl {
  display: flex;
  border-bottom: 1px solid #B8B8B8;
}
#sec6 .case-slide .item .info dl dt {
  width: 32%;
  padding: 14.5px 3px;
  text-align: center;
  background: #EDEDED;
}
@media screen and (min-width: 1000px) {
  #sec6 .case-slide .item .info dl dt br {
    display: none;
  }
}
#sec6 .case-slide .item .info dl dd {
  width: 68%;
  box-sizing: border-box;
  padding: 14.5px 24px;
}
@media screen and (max-width: 1000px) {
  #sec6 .case-slide .item .info dl dd {
    padding-left: 10px;
    padding-right: 10px;
  }
}
#sec6 .group {
  margin: 68px 0 0;
  background: url("../img/mouthpiece/case_deco.svg") no-repeat center/100% auto;
  padding: 8px 0 0;
}
#sec6 .group .tit {
  margin: 0 0 3px;
  font-size: 32px;
  line-height: 1.5;
  color: #fff;
  text-align: center;
  padding: 23px 0;
}
#sec6 .group .video {
  margin: 0 auto;
  max-width: 100%;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
  width: 809px;
  line-height: 0;
}
#sec6 .group .video iframe {
  width: 100%;
  aspect-ratio: 16/9;
  height: auto;
}
@media screen and (max-width: 767px) {
  #sec6 {
    padding: 31px 0 75px;
    background-image: url("../img/mouthpiece/case_bg_sp.jpg");
  }
  #sec6 .group-title {
    padding: 33px 0 0;
    margin: 0 0 28px;
  }
  #sec6 .group-title .title-en {
    font-size: 40px;
  }
  #sec6 .group-title h2 {
    font-size: 24px;
    line-height: 1.25;
  }
  #sec6 .case-slide {
    margin: 0 -5px;
  }
  #sec6 .case-slide .slick-arrow {
    width: 25px;
    z-index: 2;
  }
  #sec6 .case-slide .slick-arrow.slick-prev {
    left: -7px;
    background-image: url("../img/mouthpiece/left.svg");
  }
  #sec6 .case-slide .slick-arrow.slick-next {
    right: -7px;
    background-image: url("../img/mouthpiece/right.svg");
  }
  #sec6 .case-slide .item {
    margin: 5px;
  }
  #sec6 .case-slide .item .title {
    padding: 9.5px 0;
    gap: 5px;
    font-size: 18px;
    line-height: 19px;
  }
  #sec6 .case-slide .item .title small {
    font-size: 11px;
    line-height: 18px;
    padding: 0 15px;
  }
  #sec6 .case-slide .item .flex {
    margin: 21.5px 25px 0;
    max-width: 100%;
    width: auto;
  }
  #sec6 .case-slide .item .flex .col {
    max-width: 100%;
    width: calc(50% - 16px);
  }
  #sec6 .case-slide .item .flex .col .tit {
    font-size: 12px;
    line-height: 1.5;
    padding: 0.5px 0;
    margin: 0 0 6px;
  }
  #sec6 .case-slide .item .flex .col + .col p:has(img)::before {
    width: 21px;
    left: -27px;
  }
  #sec6 .case-slide .item .info {
    margin: 22px 25px 0;
    max-width: 100%;
    width: auto;
    line-height: 2;
  }
  #sec6 .case-slide .item .info dl {
    display: block;
  }
  #sec6 .case-slide .item .info dl dt {
    width: 100%;
    padding: 6.5px 0;
  }
  #sec6 .case-slide .item .info dl dd {
    width: 100%;
    padding: 10px 15px;
    text-align: center;
  }
  #sec6 .case-slide .item .info dl dd span {
    display: block;
    text-align: left;
  }
  #sec6 .group {
    margin: 63px 0 0;
    background-image: url("../img/mouthpiece/case_deco_sp.svg");
    background-position: top center;
    padding: 6px 0 0;
  }
  #sec6 .group .tit {
    font-size: 16px;
    line-height: 2;
    padding: 2.5px 0;
    margin: 0 0 55px;
  }
}

#sec7 {
  background: url("../img/mouthpiece/suresmile_bg.jpg") no-repeat top center/cover;
  padding: 49px 0 69px;
  overflow: hidden;
}
#sec7 .title {
  font-size: 150px;
  line-height: 125px;
  color: #fff;
  margin: 0 0 0 10px;
}
#sec7 .set1 {
  position: relative;
}
#sec7 .set1::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: calc(50% + 421px);
  max-width: calc(100% - 20px);
  bottom: 0;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
  background: #fff;
}
#sec7 .set1 .container {
  position: relative;
  z-index: 2;
}
#sec7 .set1 .img {
  position: absolute;
  width: 620px;
  top: -160px;
  left: calc(50% + 67px);
  max-width: 55%;
}
@media screen and (max-width: 1300px) {
  #sec7 .set1 .img {
    top: -135px;
    left: 50%;
  }
}
@media screen and (max-width: 1000px) {
  #sec7 .set1 .img {
    top: -80px;
  }
}
@media screen and (max-width: 950px) {
  #sec7 .set1 .img {
    position: static;
    max-width: 100%;
    margin: 0 auto;
    width: 500px;
  }
}
#sec7 .set1 .group-content {
  padding: 32px 0 56px;
  width: 890px;
  max-width: calc(100% - 20px);
}
@media screen and (max-width: 950px) {
  #sec7 .set1 .group-content {
    padding-top: 0;
  }
}
#sec7 .set1 .group-content h3 {
  color: #767676;
  font-size: 28px;
  line-height: 1.5;
  padding: 13px 0;
  margin: 0 0 14px;
}
#sec7 .set1 .group-content .txt {
  color: #767676;
}
#sec7 .set1 .group-content .txt + .txt {
  margin-top: 32px;
}
#sec7 .set2 {
  margin: 102px 0 0;
}
#sec7 .set2 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 53px;
  text-align: center;
}
#sec7 .set2 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.15;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  color: #4F4F4F;
}
#sec7 .set2 .group-title h2 {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec7 .set2 .group {
  width: 809px;
  max-width: 100%;
  margin: 0 auto;
}
#sec7 .set2 .group .video {
  margin: 0 0 20px;
  line-height: 0;
}
#sec7 .set2 .group .video iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}
#sec7 .set2 .box {
  background: #FFFFFF;
  box-shadow: 0px 3px 6px rgba(0, 0, 0, 0.25);
  position: relative;
  padding: 31px 33px 55px;
  text-align: center;
  margin: 75px 0 49px;
}
#sec7 .set2 .box::before, #sec7 .set2 .box:after {
  content: "";
  position: absolute;
  width: 42px;
  height: 36px;
  border-bottom: 2px solid #E9E9E9;
  bottom: 30px;
}
#sec7 .set2 .box::before {
  left: 33px;
  border-left: 2px solid #E9E9E9;
}
#sec7 .set2 .box:after {
  right: 33px;
  border-right: 2px solid #E9E9E9;
}
#sec7 .set2 .box .tit {
  background: #E9E9E9;
  font-size: 28px;
  line-height: 1.5;
  padding: 22px 0;
  text-align: center;
  margin: 0 0 35px;
  color: #4F4F4F;
}
#sec7 .set2 .box ul {
  display: inline-block;
  text-align: left;
}
#sec7 .set2 .box ul li {
  position: relative;
  padding: 0 0 0 22px;
}
#sec7 .set2 .box ul li::before {
  content: "";
  background: url("../img/mouthpiece/icon_check2.svg") no-repeat center/100% auto;
  width: 16px;
  height: 13px;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
#sec7 .set2 .box ul li + li {
  margin-top: 10px;
}
#sec7 .set2 .title2 {
  margin: 49px 0 0;
  font-size: 24px;
  line-height: 1.5;
  text-align: center;
  color: #4F4F4F;
}
@media screen and (max-width: 767px) {
  #sec7 {
    padding: 9px 0 39px;
    background-image: url("../img/mouthpiece/suresmile_bg_sp.jpg");
  }
  #sec7 .title {
    font-size: 65px;
    line-height: 125px;
    margin: 0 0 -36px 15px;
  }
  #sec7 .set1 {
    padding: 24px 0 43px;
  }
  #sec7 .set1::before {
    width: auto;
    max-width: 100%;
    left: 20px;
    right: 20px;
  }
  #sec7 .set1 .img {
    width: 284px;
    margin: 0 0 0 23px;
  }
  #sec7 .set1 .group-content {
    padding: 0 25px;
    width: 100%;
    max-width: 100%;
  }
  #sec7 .set1 .group-content h3 {
    font-size: 20px;
    line-height: 1.5;
    padding: 10px 0;
    margin: 0 0 19px;
  }
  #sec7 .set1 .group-content .txt {
    font-size: 14px;
  }
  #sec7 .set1 .group-content .txt + .txt {
    margin-top: 28px;
  }
  #sec7 .set2 {
    margin: 40px 0 0;
  }
  #sec7 .set2 .group-title {
    padding: 33px 0 0;
    margin: 0 0 19px;
  }
  #sec7 .set2 .group-title .title-en {
    font-size: 40px;
  }
  #sec7 .set2 .group-title h2 {
    font-size: 24px;
  }
  #sec7 .set2 .group {
    width: auto;
    margin: 0 10px;
  }
  #sec7 .set2 .box {
    margin: 68px 0 19px;
    padding: 25px 25px 60px;
  }
  #sec7 .set2 .box::before, #sec7 .set2 .box:after {
    bottom: 25px;
    width: 28px;
    height: 24px;
  }
  #sec7 .set2 .box::before {
    left: 25px;
  }
  #sec7 .set2 .box:after {
    right: 25px;
  }
  #sec7 .set2 .box .tit {
    font-size: 18px;
    padding: 18px 0;
    margin: 0 0 20px;
  }
  #sec7 .set2 .box ul li {
    font-size: 14px;
    line-height: 1.5;
  }
  #sec7 .set2 .title2 {
    font-size: 16px;
    line-height: 1.5;
    padding: 19px 0;
    margin: 0;
  }
}

#sec8 {
  background: url("../img/mouthpiece/flow_bg.jpg") no-repeat center/cover;
  padding: 92px 0 166px;
}
#sec8 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 73px;
  text-align: center;
}
#sec8 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  color: #fff;
}
#sec8 .group-title .title {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec8 .flex {
  display: flex;
  justify-content: space-between;
}
#sec8 .flex .col {
  width: 550px;
  max-width: 48%;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  position: relative;
  color: #fff;
  padding: 40px 0 46px;
}
#sec8 .flex .col::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid;
}
#sec8 .flex .col:after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  background: url("../img/mouthpiece/flow_deco.svg") no-repeat center right/auto 100%;
  mix-blend-mode: color-burn;
}
#sec8 .flex .col .title {
  text-align: center;
  font-size: 20px;
  line-height: 1.5;
  margin: 0 0 30px;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
}
@media screen and (max-width: 880px) {
  #sec8 .flex .col .title {
    font-size: 16px;
    line-height: 1.5;
    min-height: 72px;
  }
}
#sec8 .flex .col .video {
  width: 320px;
  max-width: calc(100% - 50px);
  position: relative;
  z-index: 2;
  margin: 0 auto;
  line-height: 0;
}
#sec8 .flex .col .video iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}
#sec8 h3 {
  text-align: center;
  font-size: 24px;
  line-height: 1.5;
  margin: 75px 0 0;
}
#sec8 .sub-txt {
  text-align: center;
  line-height: 2.25;
  margin: 0 0 27px;
}
#sec8 .item {
  position: relative;
  border: 1px solid #767676;
}
#sec8 .item + .item {
  margin-top: 64px;
}
#sec8 .item .inner {
  background: #fff;
  padding: 27px 40px 28px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
#sec8 .item::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 37px solid transparent; /* cạnh trái trong suốt */
  border-right: 37px solid transparent; /* cạnh phải trong suốt */
  border-top: 49px solid #767676;
  bottom: -48px;
}
#sec8 .item::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 36px solid transparent; /* cạnh trái trong suốt */
  border-right: 36px solid transparent; /* cạnh phải trong suốt */
  border-top: 48px solid #fff;
  bottom: -47px;
}
#sec8 .item:last-of-type::before, #sec8 .item:last-of-type:after {
  display: none;
}
#sec8 .item .num {
  border-radius: 50%;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  color: #fff;
  text-align: center;
  width: 100px;
  height: 100px;
  font-size: 40px;
  line-height: 1;
  padding: 20px 0 0;
  box-sizing: border-box;
}
#sec8 .item .num small {
  font-size: 15px;
  display: block;
}
#sec8 .item .group-content {
  width: calc(100% - 145px);
  box-sizing: border-box;
  padding: 0 0 0 45px;
  border-left: 1px dashed #767676;
  min-height: 180px;
}
#sec8 .item .group-content .tit {
  font-size: 22px;
  color: #767676;
  line-height: 32px;
  margin: 0 0 10px;
}
#sec8 .item .group-content .text {
  letter-spacing: 0.1em;
}
@media screen and (max-width: 767px) {
  #sec8 {
    background-image: url("../img/mouthpiece/flow_bg_sp.jpg");
    padding: 44px 0 88px;
  }
  #sec8 .group-title {
    padding: 33px 0 0;
    margin: 0 0 52px;
  }
  #sec8 .group-title .title-en {
    font-size: 40px;
    opacity: 1;
  }
  #sec8 .group-title .title {
    font-size: 24px;
  }
  #sec8 .flex {
    display: block;
  }
  #sec8 .flex .col {
    width: 100%;
    max-width: 100%;
    padding: 36px 0 41px;
  }
  #sec8 .flex .col + .col {
    margin-top: 25px;
  }
  #sec8 .flex .col:after {
    background-image: url("../img/mouthpiece/flow_deco_sp.svg");
  }
  #sec8 .flex .col .title {
    margin: 0 0 25px;
  }
  #sec8 h3 {
    margin: 25px -10px 0;
    font-size: 16px;
    line-height: 2;
  }
  #sec8 .sub-txt {
    font-size: 14px;
    line-height: 2;
    margin: 0 0 35px;
  }
  #sec8 .item .inner {
    padding: 30px 25px 39px;
    display: block;
  }
  #sec8 .item .num {
    margin: 0 auto;
  }
  #sec8 .item .group-content {
    width: 100%;
    min-height: auto;
    border-left: 0;
    border-top: 1px dashed #767676;
    margin: 30px 0 0;
    padding: 32px 0 0;
  }
  #sec8 .item .group-content .tit {
    font-size: 18px;
    line-height: 1.6;
    margin: 0 0 8px;
  }
  #sec8 .item .group-content .text {
    font-size: 14px;
    line-height: 2;
  }
}

#sec9 {
  position: relative;
  padding: 105px 0 74px;
  text-shadow: 0 0 10px #fff, 0 0 10px #fff;
}
@media screen and (min-width: 768px) {
  #sec9 .bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  #sec9 .bg img {
    -o-object-position: 80% center;
       object-position: 80% center;
  }
}
#sec9 .container {
  position: relative;
  z-index: 2;
}
#sec9 h2 {
  font-size: 32px;
  line-height: 1.5;
}
#sec9 .sub {
  font-size: 16px;
  line-height: 1.5;
  margin: 44px 0 5px;
}
#sec9 .name {
  font-size: 24px;
  line-height: 1.5;
  color: #333;
}
#sec9 .name2 {
  color: #333;
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 27px;
}
#sec9 .txt {
  max-width: 600px;
  width: 50%;
}
#sec9 .txt + .txt {
  margin-top: 32px;
}
#sec9 .box {
  margin: 46px 0 0;
  background: #fff;
  width: -moz-max-content;
  width: max-content;
  padding: 26px 32px 28px 34px;
  text-shadow: none;
}
#sec9 .box .title {
  font-size: 12px;
  line-height: 20px;
  padding: 0 0 9px;
  border-bottom: 1px solid #767676;
  margin: 0 0 10px;
}
#sec9 .box dl {
  display: flex;
  gap: 20px;
  font-size: 12px;
  line-height: 20px;
}
#sec9 .box dl dt {
  min-width: -moz-max-content;
  min-width: max-content;
}
@media screen and (max-width: 767px) {
  #sec9 {
    padding: 0 0 60px;
    text-shadow: none;
  }
  #sec9 .bg {
    margin: 0 0 30px;
  }
  #sec9 h2 {
    font-size: 22px;
  }
  #sec9 .sub {
    font-size: 14px;
  }
  #sec9 .name {
    font-size: 22px;
  }
  #sec9 .name2 {
    font-size: 12px;
    margin: 0 0 35px;
  }
  #sec9 .txt {
    width: 100%;
    max-width: 100%;
    font-size: 14px;
    line-height: 2;
  }
  #sec9 .txt + .txt {
    margin-top: 28px;
  }
  #sec9 .box {
    margin: 39px 0 0;
    background: #FAFAFA;
    padding: 26px 31px 28px;
  }
}

#sec10 {
  background: url("../img/mouthpiece/price_bg.jpg") no-repeat center/cover;
  padding: 93px 0 124px;
}
#sec10 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 70px;
  text-align: center;
}
#sec10 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  color: #fff;
}
#sec10 .group-title .title {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec10 .box {
  width: 800px;
  margin: 0 auto;
  max-width: 100%;
  border: 1px solid #B8B8B8;
  border-bottom: 0;
  line-height: 1.5;
}
#sec10 .box dl {
  border-bottom: 1px solid #B8B8B8;
  display: flex;
}
#sec10 .box dl dt {
  background: #EDEDED;
  width: 275px;
  text-align: center;
  padding: 1px 0;
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#sec10 .box dl dd {
  align-self: center;
  padding: 1px 0 1px 21px;
  width: calc(100% - 275px);
}
#sec10 h3 {
  font-size: 32px;
  line-height: 1.5;
  color: #4F4F4F;
  margin: 87px 0 40px;
  text-align: center;
}
#sec10 .list {
  margin: 0 0 61px;
  display: flex;
}
#sec10 .list .item {
  width: 25%;
  text-align: center;
  min-height: 200px;
  padding: 18px 0 38px;
  box-sizing: border-box;
  border-left: 1px dashed #767676;
}
#sec10 .list .item:last-of-type {
  border-right: 1px dashed #767676;
}
#sec10 .list .item .icon {
  min-height: 80px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 0 15px;
}
#sec10 .list .item .icon img {
  width: auto;
}
#sec10 .list .item .text {
  min-height: 60px;
  font-size: 20px;
  line-height: 1.5;
  color: #4F4F4F;
  display: flex;
  align-items: center;
  margin: 0;
  justify-content: center;
}
@media screen and (max-width: 950px) {
  #sec10 .list .item .text {
    font-size: 16px;
    min-height: 48px;
  }
}
#sec10 .bnr {
  background: url("../img/mouthpiece/price_bg2.jpg") no-repeat center/cover;
  padding: 37px 0 0 50px;
  margin: 0 0 60px;
}
#sec10 .bnr .flex {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 30px;
}
#sec10 .bnr .flex ul {
  display: flex;
  gap: 18px;
}
#sec10 .bnr .flex ul li {
  font-size: 20px;
  line-height: 2.4;
  background: #fff;
  min-width: 160px;
  text-align: center;
  border-radius: 10px;
  color: #6C3D9B;
  font-weight: 500;
}
#sec10 .bnr .flex .title {
  font-size: 32px;
  line-height: 1.5;
  color: #fff;
}
#sec10 .bnr .flex2 {
  display: flex;
  margin: 26px 0 0;
  align-items: flex-start;
  flex-direction: row-reverse;
  justify-content: space-between;
  width: 1001px;
  max-width: calc(100% - 30px);
}
#sec10 .bnr .flex2 .img {
  margin: 3px 0 0;
  width: 771px;
  max-width: 78%;
}
#sec10 .bnr .flex2 .icon {
  margin: 0;
  max-width: 17%;
}
#sec10 .box2 {
  background: #fff;
  position: relative;
  padding: 36px 0 35px;
  margin: 0 0 60px;
}
#sec10 .box2::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border: 1px solid #767676;
}
#sec10 .box2 .title {
  text-align: center;
  font-size: 24px;
  line-height: 1.25;
  color: #767676;
  margin: 0 0 19px;
}
#sec10 .box2 .text {
  width: 1000px;
  max-width: calc(100% - 60px);
  margin: 0 auto;
}
#sec10 .accordion + .accordion {
  margin-top: 60px;
}
#sec10 .accordion .title {
  color: #fff;
  font-size: 24px;
  line-height: 1.5;
  position: relative;
  padding: 19px 142px 19px 62px;
  min-height: 110px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  cursor: pointer;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
}
@media screen and (max-width: 900px) {
  #sec10 .accordion .title {
    padding: 19px 120px 19px 30px;
  }
}
#sec10 .accordion .title:after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background: url("../img/mouthpiece/plus.svg") no-repeat center/100% auto;
  right: 40px;
}
@media (hover: hover) {
  #sec10 .accordion .title:hover {
    opacity: 0.8;
  }
}
#sec10 .accordion .title.acv_open:after {
  background-image: url("../img/mouthpiece/minus.svg");
}
#sec10 .accordion .title + ul {
  display: none;
}
#sec10 .accordion .accordion-content {
  background: #fff;
}
#sec10 .accordion .accordion-content > li {
  padding: 29px 55px 43px 45px;
}
#sec10 .accordion .accordion-content > li .list-item {
  margin: 32px 0;
}
@media screen and (max-width: 767px) {
  #sec10 {
    padding: 44px 0 47px;
    background-image: url("../img/mouthpiece/price_bg_sp.jpg");
  }
  #sec10 .group-title {
    padding: 33px 0 0;
    margin: 0 0 39px;
  }
  #sec10 .group-title .title-en {
    font-size: 40px;
    opacity: 1;
  }
  #sec10 .group-title .title {
    font-size: 24px;
  }
  #sec10 .box {
    width: 300px;
  }
  #sec10 .box dl {
    display: block;
    font-size: 14px;
    line-height: 1.5;
  }
  #sec10 .box dl dt {
    min-height: auto;
    width: 100%;
    padding: 6.5px 0;
  }
  #sec10 .box dl dd {
    line-height: 2;
    padding: 7.5px 0;
    width: 100%;
    text-align: center;
    background: #fff;
  }
  #sec10 h3 {
    margin: 39px 0 53px;
    font-size: 24px;
  }
  #sec10 .list {
    flex-wrap: wrap;
    gap: 45px 0;
    justify-content: space-between;
  }
  #sec10 .list .item {
    width: 50%;
    min-height: auto;
    padding: 0;
    border: 0;
  }
  #sec10 .list .item:last-of-type {
    border-right: 0;
  }
  #sec10 .list .item .icon {
    min-height: 52.5px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #sec10 .list .item .icon img {
    width: auto;
    max-width: 100%;
  }
  #sec10 .list .item:nth-child(1) .icon img {
    height: 34px;
  }
  #sec10 .list .item:nth-child(2) .icon img {
    height: 39px;
  }
  #sec10 .list .item:nth-child(3) .icon img {
    height: 52.5px;
  }
  #sec10 .list .item:nth-child(4) .icon img {
    height: 49.5px;
  }
  #sec10 .list .item .text {
    font-size: 13px;
    min-height: 39px;
  }
  #sec10 .bnr {
    margin: 50px 0 39px;
    background-image: url("../img/mouthpiece/price_bg2_sp.jpg");
    padding: 20px 0 44px;
  }
  #sec10 .bnr .flex {
    display: block;
    text-align: center;
  }
  #sec10 .bnr .flex ul {
    justify-content: center;
    gap: 14px;
    margin: 0 0 20px;
  }
  #sec10 .bnr .flex ul li {
    font-size: 15px;
    min-width: 121px;
    border-radius: 7.5px;
  }
  #sec10 .bnr .flex .title {
    font-size: 24px;
  }
  #sec10 .bnr .flex2 {
    display: block;
    width: 100%;
    max-width: 100%;
  }
  #sec10 .bnr .flex2 .img {
    width: 100%;
    max-width: 100%;
    margin: 0;
  }
  #sec10 .bnr .flex2 .icon {
    margin: 0 auto;
    width: 93px;
    max-width: 93px;
  }
  #sec10 .box2 {
    padding: 43px 35px 52px;
    margin: 0 0 46px;
  }
  #sec10 .box2 .title {
    font-size: 20px;
    margin: 0 0 23px;
  }
  #sec10 .box2 .text {
    width: 100%;
    max-width: 100%;
    font-size: 14px;
    line-height: 2;
  }
  #sec10 .accordion + .accordion {
    margin-top: 32px;
  }
  #sec10 .accordion .title {
    font-size: 18px;
    padding: 23px 56px 23px 24px;
  }
  #sec10 .accordion .title:after {
    width: 20px;
    height: 20px;
    right: 15px;
  }
  #sec10 .accordion .accordion-content > li {
    padding: 19px 25px 22px;
    font-size: 14px;
    line-height: 2;
  }
  #sec10 .accordion .accordion-content > li.list-item {
    margin: 28px 0;
  }
}

#sec11 {
  padding: 76px 0 61px;
}
#sec11 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 70px;
  text-align: center;
}
#sec11 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.15;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  color: #4F4F4F;
}
#sec11 .group-title h2 {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec11 .flex {
  display: flex;
  justify-content: space-between;
}
#sec11 .flex .col {
  width: 550px;
  max-width: 49%;
  padding: 0 0 18px;
}
#sec11 .flex .col + .col {
  padding-bottom: 0;
}
#sec11 .flex .col iframe {
  width: 100%;
  height: 100%;
}
#sec11 .flex .col .time-tb {
  width: 100%;
  font-size: 14px;
  line-height: 2;
}
#sec11 .flex .col .time-tb tr th, #sec11 .flex .col .time-tb tr td {
  padding: 12.5px 0;
  border-bottom: 1px solid #8F8F8F;
}
#sec11 .flex .col .time-tb tr th {
  padding-left: 10px;
  width: 125px;
}
#sec11 .flex .col .time-tb tr td {
  text-align: center;
}
@media screen and (min-width: 768px) {
  #sec11 .flex .col .time-tb tr td:last-child {
    text-align: right;
    padding-right: 29px;
    width: 50px;
  }
}
#sec11 .flex .col .time-tb tr td span {
  color: #B8B8B8;
}
#sec11 .flex .col .time-tb tr:first-child th, #sec11 .flex .col .time-tb tr:first-child td {
  padding: 0 0 11px;
}
#sec11 .flex .col .time-tb tr:first-child th {
  font-weight: 700;
  font-size: 16px;
}
#sec11 .flex .col .time-tb tr:first-child th img {
  display: inline-block;
  margin: 0 10px 0 0;
  vertical-align: bottom;
  max-width: 27px;
}
@media screen and (min-width: 768px) {
  #sec11 .flex .col .time-tb tr:first-child td:last-child {
    padding-right: 29px;
  }
}
#sec11 .flex .col .note {
  margin: 16px 0 25px;
  font-size: 14px;
  line-height: 1.5;
}
#sec11 .flex .col .note span {
  color: #B8B8B8;
}
#sec11 .flex .col .info {
  line-height: 1.5;
}
#sec11 .flex .col .info tr th {
  width: 100px;
  border-bottom: 1px solid #767676;
  padding: 13px 0 9px 10px;
  vertical-align: top;
}
@media screen and (max-width: 900px) {
  #sec11 .flex .col .info tr th {
    width: 90px;
  }
}
#sec11 .flex .col .info tr td {
  border-bottom: 1px solid #C7C7C7;
  padding: 13px 0 9px 16px;
}
@media screen and (max-width: 900px) {
  #sec11 .flex .col .info tr td {
    padding-left: 9px;
  }
}
#sec11 .flex .col .info tr:first-child th, #sec11 .flex .col .info tr:first-child td {
  padding-top: 0;
}
#sec11 .box {
  margin: 60px auto 0;
  width: 810px;
  max-width: 100%;
  background: linear-gradient(180deg, #D3BD85 0%, #A18039 100%);
  color: #fff;
  text-align: center;
  padding: 34px 0;
}
#sec11 .box .title {
  font-size: 24px;
  line-height: 1.5;
  margin: 0 0 20px;
}
#sec11 .box .text {
  line-height: 1.5;
  margin: 0;
}
@media screen and (max-width: 767px) {
  #sec11 {
    padding: 32px 0 41px;
  }
  #sec11 .group-title {
    padding: 33px 0 0;
    margin: 0 0 27px;
  }
  #sec11 .group-title .title-en {
    font-size: 40px;
    opacity: 0.2;
  }
  #sec11 .group-title h2 {
    font-size: 24px;
  }
  #sec11 .flex {
    display: block;
  }
  #sec11 .flex .col {
    width: 100%;
    max-width: 100%;
    padding-bottom: 0;
  }
  #sec11 .flex .col + .col {
    margin-top: 48px;
    height: 312px;
  }
  #sec11 .flex .col .gr {
    background: #FAFAFA;
    padding: 23px 20px 25px;
    margin: 0 0 20px;
  }
  #sec11 .flex .col .time-tb {
    font-size: 11px;
    line-height: 1.5;
  }
  #sec11 .flex .col .time-tb tr th, #sec11 .flex .col .time-tb tr td {
    padding: 8px 0 7px;
  }
  #sec11 .flex .col .time-tb tr th {
    padding-left: 5px;
    width: 82px;
  }
  #sec11 .flex .col .time-tb tr:first-child th, #sec11 .flex .col .time-tb tr:first-child td {
    padding-top: 0;
    padding-bottom: 7px;
  }
  #sec11 .flex .col .time-tb tr:first-child th {
    font-size: 11px;
  }
  #sec11 .flex .col .time-tb tr:first-child th img {
    max-width: 14px;
    margin-right: 5px;
  }
  #sec11 .flex .col .time-tb tr:first-child td {
    padding-right: 0;
  }
  #sec11 .flex .col .note {
    font-size: 12px;
    margin: 4px 0 0;
  }
  #sec11 .flex .col .info {
    font-size: 12px;
  }
  #sec11 .flex .col .info tr th {
    width: 68px;
    padding: 5.5px 0 5.5px 7px;
  }
  #sec11 .flex .col .info tr td {
    padding: 5.5px 0 5.5px 21px;
  }
  #sec11 .flex .col .info tr:first-child th, #sec11 .flex .col .info tr:first-child td {
    padding-top: 0;
  }
  #sec11 .box {
    margin: 41px 0 0;
    padding: 30px 0;
  }
  #sec11 .box .title {
    font-size: 20px;
    margin: 0 0 15px;
  }
  #sec11 .box .text {
    font-size: 14px;
  }
}

.loopslider {
  display: flex;
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  z-index: 2;
  padding: 45px 0;
}
@media screen and (max-width: 767px) {
  .loopslider {
    padding: 40px 0;
  }
}
.loopslider::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, #D3BD85 0%, #A18039 100%);
  opacity: 0.3;
}

.loopslider ul {
  animation: flowing 60s linear infinite;
  transform: translateX(100%);
  display: flex;
  position: relative;
  z-index: 2;
}
@media screen and (max-width: 767px) {
  .loopslider ul {
    animation-duration: 45s;
  }
}
.loopslider ul li {
  width: 340px;
  height: 230px;
  margin-right: 40px;
  position: relative;
}
@media screen and (max-width: 767px) {
  .loopslider ul li {
    width: 296px;
    height: 200px;
    margin-right: 27.5px;
  }
}
.loopslider ul li img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}

@keyframes flowing {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}
#sec12 {
  background: url("../img/mouthpiece/background_bg.jpg") no-repeat center/cover;
  color: #fff;
  padding: 113px 0 67px;
  text-align: center;
}
#sec12 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 42px;
}
#sec12 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.3;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
}
#sec12 .group-title h2 {
  font-size: 32px;
  line-height: 30px;
}
#sec12 .text + .text {
  margin-top: 32px;
}
@media screen and (max-width: 767px) {
  #sec12 {
    background-image: url("../img/mouthpiece/background_bg_sp.jpg");
    padding: 40px 0 64px;
  }
  #sec12 .group-title {
    padding: 33px 0 0;
    margin: 0 0 35px;
  }
  #sec12 .group-title .title-en {
    font-size: 40px;
    opacity: 0.2;
  }
  #sec12 .group-title h2 {
    font-size: 24px;
    gap: 7px;
  }
  #sec12 .group-title h2 img {
    width: 24px;
  }
  #sec12 .text {
    font-size: 14px;
  }
  #sec12 .text + .text {
    margin-top: 28px;
  }
}

#sec13 {
  background: url("../img/mouthpiece/qa_bg.jpg") no-repeat center/cover;
  padding: 76px 0 105px;
}
#sec13 .group-title {
  position: relative;
  padding: 44px 0 0;
  margin: 0 0 73px;
  text-align: center;
}
#sec13 .group-title .title-en {
  font-size: 80px;
  line-height: 48px;
  opacity: 0.15;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  color: #4F4F4F;
}
#sec13 .group-title h2 {
  position: relative;
  z-index: 2;
  font-size: 32px;
  line-height: 30px;
  color: #4F4F4F;
}
#sec13 .accordion {
  background: #FFFFFF;
  box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.25);
}
#sec13 .accordion + .accordion {
  margin-top: 40px;
}
#sec13 .accordion .title {
  display: flex;
  gap: 37px;
  position: relative;
  padding: 0 87px 0 0;
  background: #FBFBFB;
  cursor: pointer;
}
@media (hover: hover) {
  #sec13 .accordion .title:hover {
    opacity: 0.8;
  }
}
#sec13 .accordion .title:after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  right: 30px;
  background: url("../img/mouthpiece/qa_arrow.svg") no-repeat center bottom/100% auto;
  height: 19px;
  width: 35px;
}
#sec13 .accordion .title span:first-child {
  width: 80px;
  height: 80px;
  color: #fff;
  background: linear-gradient(180deg, #767676 -0.32%, #A5A5A5 49.68%, #BCBCBC 99.68%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  line-height: 1.5;
}
#sec13 .accordion .title span:last-child {
  width: calc(100% - 124px);
  align-self: center;
  font-size: 24px;
  line-height: 1.5;
}
#sec13 .accordion .title.acv_open:after {
  transform: translateY(-50%) rotate(-180deg);
}
#sec13 .accordion .accordion-content {
  display: none;
}
#sec13 .accordion .accordion-content > li {
  padding: 27px 139px 53px 103px;
}
@media screen and (max-width: 900px) {
  #sec13 .accordion .accordion-content > li {
    padding-right: 50px;
  }
}
#sec13 .accordion .accordion-content > li .inner {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
#sec13 .accordion .accordion-content > li .inner p:first-child {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  line-height: 1.5;
  color: #B8B8B8;
  font-weight: 500;
}
#sec13 .accordion .accordion-content > li .inner .text {
  margin: 11px 0 0;
  width: calc(100% - 58px);
}
@media screen and (max-width: 767px) {
  #sec13 {
    background-image: url("../img/mouthpiece/qa_bg_sp.jpg");
    padding: 40px 0 64px;
  }
  #sec13 .group-title {
    padding: 33px 0 0;
    margin: 0 0 33px;
  }
  #sec13 .group-title .title-en {
    font-size: 40px;
  }
  #sec13 .group-title h2 {
    font-size: 24px;
  }
  #sec13 .accordion + .accordion {
    margin-top: 20px;
  }
  #sec13 .accordion .title {
    gap: 15px;
    padding: 0 46px 0 0;
  }
  #sec13 .accordion .title:after {
    width: 17px;
    height: 8px;
    right: 15px;
  }
  #sec13 .accordion .title span:first-child {
    width: 50px;
    height: 60px;
    font-size: 24px;
  }
  #sec13 .accordion .title span:last-child {
    width: calc(100% - 65px);
    font-size: 16px;
    line-height: 1.5625;
  }
  #sec13 .accordion .accordion-content > li {
    padding: 5px 28px 28px 14px;
  }
  #sec13 .accordion .accordion-content > li .inner {
    gap: 0;
  }
  #sec13 .accordion .accordion-content > li .inner p:first-child {
    font-size: 24px;
  }
  #sec13 .accordion .accordion-content > li .inner .text {
    margin: 13px 0 0;
    width: calc(100% - 50px);
    font-size: 14px;
    line-height: 2;
  }
}