@charset "UTF-8";
.mt-0 {
  margin-top: 0px !important; }

.mt-5 {
  margin-top: 5px !important; }

.mt-10 {
  margin-top: 10px !important; }

.mt-15 {
  margin-top: 15px !important; }

.mt-20 {
  margin-top: 20px !important; }

.mt-25 {
  margin-top: 25px !important; }

.mt-30 {
  margin-top: 30px !important; }

.mt-35 {
  margin-top: 35px !important; }

.mt-40 {
  margin-top: 40px !important; }

.mt-45 {
  margin-top: 45px !important; }

.mt-50 {
  margin-top: 50px !important; }

.mt-55 {
  margin-top: 55px !important; }

.mt-60 {
  margin-top: 60px !important; }

.mt-65 {
  margin-top: 65px !important; }

.mt-70 {
  margin-top: 70px !important; }

.mt-75 {
  margin-top: 75px !important; }

.mt-80 {
  margin-top: 80px !important; }

.mt-85 {
  margin-top: 85px !important; }

.mt-90 {
  margin-top: 90px !important; }

.mt-95 {
  margin-top: 95px !important; }

.mt-100 {
  margin-top: 100px !important; }

.mb-0 {
  margin-bottom: 0px !important; }

.mb-5 {
  margin-bottom: 5px !important; }

.mb-10 {
  margin-bottom: 10px !important; }

.mb-15 {
  margin-bottom: 15px !important; }

.mb-20 {
  margin-bottom: 20px !important; }

.mb-25 {
  margin-bottom: 25px !important; }

.mb-30 {
  margin-bottom: 30px !important; }

.mb-35 {
  margin-bottom: 35px !important; }

.mb-40 {
  margin-bottom: 40px !important; }

.mb-45 {
  margin-bottom: 45px !important; }

.mb-50 {
  margin-bottom: 50px !important; }

.mb-55 {
  margin-bottom: 55px !important; }

.mb-60 {
  margin-bottom: 60px !important; }

.mb-65 {
  margin-bottom: 65px !important; }

.mb-70 {
  margin-bottom: 70px !important; }

.mb-75 {
  margin-bottom: 75px !important; }

.mb-80 {
  margin-bottom: 80px !important; }

.mb-85 {
  margin-bottom: 85px !important; }

.mb-90 {
  margin-bottom: 90px !important; }

.mb-95 {
  margin-bottom: 95px !important; }

.mb-100 {
  margin-bottom: 100px !important; }

@media screen and (min-width: 768px) {
  .mt-sm-0 {
    margin-top: 0px !important; }
  .mt-sm-5 {
    margin-top: 5px !important; }
  .mt-sm-10 {
    margin-top: 10px !important; }
  .mt-sm-15 {
    margin-top: 15px !important; }
  .mt-sm-20 {
    margin-top: 20px !important; }
  .mt-sm-25 {
    margin-top: 25px !important; }
  .mt-sm-30 {
    margin-top: 30px !important; }
  .mt-sm-35 {
    margin-top: 35px !important; }
  .mt-sm-40 {
    margin-top: 40px !important; }
  .mt-sm-45 {
    margin-top: 45px !important; }
  .mt-sm-50 {
    margin-top: 50px !important; }
  .mt-sm-55 {
    margin-top: 55px !important; }
  .mt-sm-60 {
    margin-top: 60px !important; }
  .mt-sm-65 {
    margin-top: 65px !important; }
  .mt-sm-70 {
    margin-top: 70px !important; }
  .mt-sm-75 {
    margin-top: 75px !important; }
  .mt-sm-80 {
    margin-top: 80px !important; }
  .mt-sm-85 {
    margin-top: 85px !important; }
  .mt-sm-90 {
    margin-top: 90px !important; }
  .mt-sm-95 {
    margin-top: 95px !important; }
  .mt-sm-100 {
    margin-top: 100px !important; }
  .mb-sm-0 {
    margin-bottom: 0px !important; }
  .mb-sm-5 {
    margin-bottom: 5px !important; }
  .mb-sm-10 {
    margin-bottom: 10px !important; }
  .mb-sm-15 {
    margin-bottom: 15px !important; }
  .mb-sm-20 {
    margin-bottom: 20px !important; }
  .mb-sm-25 {
    margin-bottom: 25px !important; }
  .mb-sm-30 {
    margin-bottom: 30px !important; }
  .mb-sm-35 {
    margin-bottom: 35px !important; }
  .mb-sm-40 {
    margin-bottom: 40px !important; }
  .mb-sm-45 {
    margin-bottom: 45px !important; }
  .mb-sm-50 {
    margin-bottom: 50px !important; }
  .mb-sm-55 {
    margin-bottom: 55px !important; }
  .mb-sm-60 {
    margin-bottom: 60px !important; }
  .mb-sm-65 {
    margin-bottom: 65px !important; }
  .mb-sm-70 {
    margin-bottom: 70px !important; }
  .mb-sm-75 {
    margin-bottom: 75px !important; }
  .mb-sm-80 {
    margin-bottom: 80px !important; }
  .mb-sm-85 {
    margin-bottom: 85px !important; }
  .mb-sm-90 {
    margin-bottom: 90px !important; }
  .mb-sm-95 {
    margin-bottom: 95px !important; }
  .mb-sm-100 {
    margin-bottom: 100px !important; } }

@font-face {
  font-family: "GT_America_Y_Bold";
  src: url("../fonts/GT_America_Y_Bold.otf") format("opentype"); }

body, html {
  scroll-behavior: smooth;
  font-size: 16px;
  line-height: 1.81; }

body {
  background-color: #fff5e0; }

ul, ol {
  list-style: none;
  padding-left: 0;
  margin-left: 0; }

@media screen and (max-width: 767px) {
  .l-stchallenge-header {
    height: 55px;
    padding-left: 15px;
    padding-top: 12px;
    background-color: #fff; } }

@media screen and (min-width: 768px) {
  .l-stchallenge-header {
    position: absolute;
    left: 21px;
    top: 21px; } }

@media screen and (min-width: 768px) {
  .l-stchallenge-header img {
    width: auto;
    height: 65px; } }

@media screen and (max-width: 767px) {
  .l-stchallenge-header img {
    width: auto;
    height: 35px; } }

.l-stchallenge-lead {
  margin-top: 30px; }
  @media screen and (max-width: 767px) {
    .l-stchallenge-lead {
      margin-top: 20px; } }

.l-stchallenge-lead__text1 {
  display: flex;
  justify-content: center; }
  .l-stchallenge-lead__text1 span {
    display: block;
    text-align: center;
    color: #5f2e62;
    font-weight: bold;
    border-bottom: 2px solid #5f2e62;
    font-size: 32px;
    font-family: GT_America_Y_Bold, "Noto Sans JP", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "游ゴシック", YuGothic, "メイリオ", Meiryo, sans-serif; }
    @media screen and (max-width: 767px) {
      .l-stchallenge-lead__text1 span {
        font-size: 4.8vw; } }

.l-stchallenge-lead__text2 {
  display: block;
  text-align: center;
  color: #231815;
  font-weight: bold;
  font-size: 36px;
  margin-top: 38px;
  margin-bottom: 44px;
  line-height: 1.2;
  font-family: GT_America_Y_Bold, "Noto Sans JP", "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "游ゴシック", YuGothic, "メイリオ", Meiryo, sans-serif; }
  @media screen and (max-width: 767px) {
    .l-stchallenge-lead__text2 {
      margin-top: 30px;
      margin-bottom: 24px;
      font-size: 4.8vw;
      line-height: 1.825; } }

* {
  box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth; }

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

@media screen and (min-width: 768px) {
  .only-sp {
    display: none !important; } }

@media screen and (max-width: 767px) {
  .only-pc {
    display: none !important; } }

@media screen and (min-width: 768px) {
  .sp-on {
    display: none !important; } }

@media screen and (max-width: 767px) {
  .pc-on {
    display: none !important; } }

body {
  color: #263238; }
  @media screen and (max-width: 767px) {
    body {
      font-size: 16px;
      line-height: 1.67; } }
  @media screen and (min-width: 768px) {
    body {
      font-size: 18px;
      line-height: 1.75; } }

@media screen and (min-width: 768px) {
  .l-stchallenge-kv picture {
    display: flex;
    justify-content: center;
    max-height: calc(100vh - 169px);
    min-height: 400px; } }

@media screen and (min-width: 768px) {
  .l-stchallenge-kv picture img {
    object-fit: contain; } }

p {
  margin-top: 0; }

@media screen and (max-width: 767px) {
  .l-container {
    padding-left: 14px;
    padding-right: 14px; } }

@media screen and (min-width: 768px) {
  .l-container {
    max-width: 980px;
    margin-left: auto;
    margin-right: auto; } }

.c-h-search {
  display: flex;
  justify-content: center;
  font-size: 43px;
  text-align: center;
  font-weight: bold;
  color: #5f2e62;
  align-items: center;
  padding-right: 60px;
  line-height: 1; }
  @media screen and (max-width: 767px) {
    .c-h-search {
      font-size: 8.2666666667vw;
      padding-right: 8.8vw; } }
  .c-h-search img {
    width: 46px;
    height: auto;
    display: block;
    margin-right: 14px; }
    @media screen and (max-width: 767px) {
      .c-h-search img {
        width: 8.8vw; } }

.l-h1 {
  position: relative; }

.l-sec {
  padding-top: 35px;
  padding-bottom: 45px; }

@media screen and (max-width: 767px) {
  .l-cta {
    margin-top: 8px;
    margin-bottom: 20px; } }

@media screen and (min-width: 768px) {
  .l-cta {
    display: flex;
    margin-top: -34px;
    justify-content: center;
    align-items: flex-end; } }

@media screen and (max-width: 767px) {
  .l-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; } }

.l-cta img {
  width: 128px;
  height: auto; }

.l-cta a {
  position: relative;
  font-weight: bold;
  color: #4b1e78;
  font-size: 29px;
  white-space: nowrap;
  padding-right: 10px;
  padding-bottom: 10px;
  margin-bottom: 20px; }
  @media screen and (max-width: 767px) {
    .l-cta a {
      display: flex;
      justify-content: center;
      margin-top: 42px;
      margin-bottom: 0; } }
  .l-cta a:after {
    left: 6px;
    top: 6px;
    content: "";
    position: absolute;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 274px;
    height: 84px;
    background-color: #4b1e78;
    border-radius: 42px; }
    @media screen and (max-width: 767px) {
      .l-cta a:after {
        width: 54.4vw;
        height: 16.5333333333vw;
        border-radius: 16.5333333333vw; } }
  .l-cta a:hover span, .l-cta a:focus span {
    top: 6px;
    left: 6px; }
  .l-cta a span {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 274px;
    height: 84px;
    border-radius: 42px;
    background-color: #fff;
    border: 4px solid #4b1e78; }
    @media screen and (max-width: 767px) {
      .l-cta a span {
        width: 54.4vw;
        height: 16.5333333333vw;
        border-radius: 16.5333333333vw;
        font-size: 5.6vw; } }

.l-cta .btn-space {
  min-width: 52px; }

@media screen and (max-width: 767px) {
  .violin {
    position: absolute;
    width: 20.2666666667vw !important;
    margin-left: 0;
    margin-top: -80px;
    left: 20px; } }

@media screen and (max-width: 767px) {
  .cello {
    position: absolute;
    width: 20.2666666667vw !important;
    right: 10px;
    margin-top: 150px; } }

.sec-cta {
  background-color: #d9bee7;
  padding-top: 35px;
  padding-bottom: 42px; }
  @media screen and (max-width: 767px) {
    .sec-cta {
      padding-top: 42px;
      padding-bottom: 34px; } }

.sec-lead {
  padding-top: 50px;
  padding-bottom: 42px; }
  @media screen and (max-width: 767px) {
    .sec-lead {
      padding-top: 40px;
      padding-bottom: 85px; } }

.sec-lead__text {
  font-size: 20px;
  line-height: 1.7;
  text-align: center;
  font-feature-settings: "palt"; }
  @media screen and (max-width: 767px) {
    .sec-lead__text {
      font-size: 4vw;
      line-height: 1.8;
      font-feature-settings: "palt"; } }

.sec-feat {
  position: relative;
  background-color: #f8f8f8; }

.sec-feat__top {
  padding-top: 137px;
  background: url(../images/bg_top.png) 50% 0 no-repeat; }
  @media (min-width: 1601px) {
    .sec-feat__top {
      background-size: 100% auto; } }
  @media screen and (max-width: 767px) {
    .sec-feat__top {
      padding-top: 70px;
      background: url(../images/bg_top_sp.png) 50% 0/100% auto no-repeat; } }

.sec-feat__btm {
  padding-bottom: 137px;
  background: url(../images/bg_btm.png) 50% 100% no-repeat; }
  @media (min-width: 1601px) {
    .sec-feat__btm {
      background-size: 100% auto; } }
  @media screen and (max-width: 767px) {
    .sec-feat__btm {
      padding-bottom: 100px;
      background: url(../images/bg_btm_sp.png) 50% 100%/100% auto no-repeat; } }

.l-feat {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 42px; }
  @media screen and (max-width: 767px) {
    .l-feat {
      flex-direction: column;
      align-items: center;
      gap: 0; } }

.c-num {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #b091e4;
  width: 73px;
  height: 73px;
  border-radius: 50%;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
  font-size: 34px;
  color: #fff;
  font-family: GT_America_Y_Bold,sans-serif; }
  @media screen and (max-width: 767px) {
    .c-num {
      width: 14.4vw;
      height: 14.4vw;
      font-size: 6.6666666667vw;
      margin-bottom: 30px; } }

.c-feat-item {
  max-width: 290px; }
  @media screen and (max-width: 767px) {
    .c-feat-item {
      max-width: 74.6666666667vw; } }
  @media screen and (max-width: 767px) {
    .c-feat-item + .c-feat-item {
      margin-top: 70px; } }
  .c-feat-item dt {
    font-size: 20px;
    line-height: 1.75;
    text-align: center;
    font-weight: bold;
    margin-bottom: 30px;
    font-feature-settings: "palt";
    color: #4b1e78; }
    @media screen and (max-width: 767px) {
      .c-feat-item dt {
        margin-bottom: 25px;
        font-size: 4vw;
        line-height: 1.5;
        font-feature-settings: "palt"; } }
  .c-feat-item dd {
    font-size: 15px;
    text-align: center;
    font-feature-settings: "palt"; }
    @media screen and (max-width: 767px) {
      .c-feat-item dd {
        font-size: 3.2vw;
        font-feature-settings: "palt"; } }
    .c-feat-item dd em {
      font-style: normal;
      color: #4b1e78;
      font-size: 14px; }
      @media screen and (max-width: 767px) {
        .c-feat-item dd em {
          font-size: 2.6666666667vw;
          font-feature-settings: "palt"; } }

.violinist {
  position: absolute;
  width: 354px;
  bottom: -200px;
  right: 50%;
  transform: translateX(-70%); }
  @media screen and (max-width: 767px) {
    .violinist {
      display: none; } }

.sec-outline {
  padding-top: 118px;
  padding-bottom: 305px; }
  @media screen and (max-width: 767px) {
    .sec-outline {
      padding-top: 45px;
      padding-bottom: 68px; } }

.l-outline {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: url(../images/bg_outline.png) 50% 100%/100% 100% no-repeat; }
  @media screen and (min-width: 768px) {
    .l-outline {
      width: 980px;
      height: 432px; } }
  @media screen and (max-width: 767px) {
    .l-outline {
      max-width: 100%;
      padding-top: 28px;
      padding-left: 25px;
      padding-right: 25px;
      padding-bottom: 24px;
      background: url(../images/bg_outline_sp.png) 50% 100%/100% 100% no-repeat; } }
  .l-outline h2 {
    font-size: 37px;
    color: #4b1e78;
    line-height: 1;
    margin-bottom: 25px;
    text-align: center;
    font-weight: bold; }
    @media screen and (max-width: 767px) {
      .l-outline h2 {
        margin-bottom: 20px;
        font-size: 5.0666666667vw; } }
  .l-outline ul {
    background: url(../images/dotted.svg) 50% 0/auto auto repeat-x; }
    @media screen and (min-width: 768px) {
      .l-outline ul {
        width: 510px; } }
    @media screen and (max-width: 767px) {
      .l-outline ul {
        width: 100%;
        background: url(../images/dotted_sp.svg) 50% 0/auto 2px repeat-x; } }
    .l-outline ul li {
      display: flex;
      align-items: flex-start;
      background: url(../images/dotted.svg) 50% 100%/auto auto repeat-x;
      font-size: 20px;
      line-height: 1;
      padding-top: 16px;
      padding-bottom: 16px;
      font-feature-settings: "palt"; }
      @media screen and (min-width: 768px) {
        .l-outline ul li {
          padding-left: 32px; } }
      @media screen and (max-width: 767px) {
        .l-outline ul li {
          padding-left: 3px;
          font-size: 4vw;
          line-height: 1.5;
          padding-top: 8px;
          padding-bottom: 8px;
          background: url(../images/dotted_sp.svg) 50% 100%/auto 2px repeat-x; } }
      .l-outline ul li span {
        display: block;
        width: 150px;
        color: #4b1e78; }
        @media screen and (max-width: 767px) {
          .l-outline ul li span {
            width: 32vw; } }

.l-outline__note {
  font-size: 14px;
  font-feature-settings: "palt";
  color: #4b1e78;
  margin-top: 24px; }
  @media screen and (max-width: 767px) {
    .l-outline__note {
      font-size: 2.6666666667vw;
      text-indent: -1em;
      padding-left: 1em; } }

.cellist {
  position: absolute;
  top: 90%;
  right: 0;
  transform: translateX(45%);
  width: 421px;
  height: auto; }
  @media screen and (max-width: 767px) {
    .cellist {
      display: none; } }

.u-bg-grey {
  background-color: #f2f2f2; }

.u-bg-white {
  background-color: #fff; }

.u-bg-blue {
  background-color: #e9f5f7; }

/*# sourceMappingURL=bootstrap.css.map */