@charset "UTF-8";

/* =====================================
　commmon
===================================== */
body {
  width: 100%;
  /* min-width: 1280px; */
  /* iOS Safari フォントサイズ拡大 リセット */
  text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}
img {
  font-size: 0;
  line-height: 0;
  vertical-align: bottom;
  border-width: 0px;
}
a:hover img {
  opacity: 0.8;
}
div,
p {
  max-width: 100%;
}

/* 端末表示 */
.pc-display {
  display: block !important;
}
.sp-display {
  display: none !important;
}

/* =====================================
　footer
===================================== */
footer {
  padding: clamp(67px, 8.71vw, 100px) clamp(40px, 5.23vw, 60px) clamp(20px, 2.61vw, 30px) clamp(40px, 5.23vw, 60px);
}
footer .copy {
  font-size: clamp(12px, 1.4vw, 16px);
  line-height: 1.4em;
  letter-spacing: 0.05em;
  text-align: center;
}

/* =====================================
　contents
===================================== */
.main-wrap {
  margin: 0 auto clamp(60px, 8vw, 90px) auto;
  width: 100%;
  max-width: 1028px;
}
.main-wrap img {
  width: 100%;
  height: auto;
}

.contents-wrap {
  padding: 0 clamp(40px, 5vw, 60px);
  box-sizing: border-box;
}

.about-wrap {
  margin: 0 auto clamp(60px, 8vw, 90px) auto;
  width: clamp(564px, 74vw, 844px);
}
.about-wrap img {
  width: 100%;
  height: auto;
}

.figure-wrap {
  margin: 0 auto clamp(53px, 7vw, 80px) auto;
  width: clamp(619px, 81vw, 927px);
}
.figure-wrap img {
  width: 100%;
  height: auto;
}

.booklet-viewer-wrap {
  margin-bottom: clamp(53px, 7vw, 80px);
}
.booklet-viewer-wrap p.book {
  margin: 0 auto;
  width: clamp(391px, 51vw, 587px);
}
.booklet-viewer-wrap p.btn {
  margin: clamp(-30px, -4vw, -45px) auto 0 auto;
  width: clamp(568px, 74vw, 846px);
}
.booklet-viewer-wrap p img {
  width: 100%;
  height: auto;
}

.cross-talk-wrap {
  margin: 0 auto clamp(114px, 15vw, 170px) auto;
  width: clamp(563px, 73vw, 843px);
  position: relative;
}
.cross-talk-wrap .img img {
  width: 100%;
  height: auto;
}
.cross-talk-wrap .youtube {
  width: clamp(438px, 57vw, 656px);
  aspect-ratio: 16 / 9;
  position: absolute;
  bottom: clamp(44px, 6vw, 66px);
  left: 50%;
  transform: translateX(-50%);
}
.cross-talk-wrap .youtube iframe {
  width: 100%;
  height: 100%;
}

.support-comments-wrap {
  margin-bottom: clamp(107px, 14vw, 160px);
}
.support-comments-wrap p.comments {
  margin: 0 auto;
  width: clamp(598px, 78vw, 893px);
}
.support-comments-wrap p.comments img {
  margin-left: clamp(-15px, -2vw, -27px);
  width: 100%;
  height: auto;
}
.support-comments-wrap p.btn {
  margin: clamp(23px, 3vw, 30px) auto 0 auto;
  width: clamp(568px, 74vw, 846px);
}
.support-comments-wrap p.btn img {
  width: 100%;
  height: auto;
}

.book-list-wrap {
  margin: 0 auto;
  width: 100%;
  max-width: 1028px;
}
.book-list-wrap ul li {
  list-style: none;
  margin-bottom: clamp(42px, 5vw, 63px);
}
.book-list-wrap ul li:last-child {
  margin-bottom: 0;
}
.book-list-wrap ul li figure img {
  width: 100%;
  height: auto;
}
.book-list-wrap ul li .btn {
  margin-top: clamp(21px, 3vw, 32px);
}
.book-list-wrap ul li .btn a {
  margin: 0 auto;
  display: block;
  width: clamp(185px, 47vw, 538px);
}
.book-list-wrap ul li .btn a img {
  width: 100%;
  height: auto;
}

@media screen and (max-width: 767px) {
  /* =====================================
　commmon
===================================== */
  body {
    width: 100%;
    /* min-width: 1280px; */
    /* iOS Safari フォントサイズ拡大 リセット */
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
  }
  img {
    font-size: 0;
    line-height: 0;
    vertical-align: bottom;
    border-width: 0px;
  }
  a:hover img {
    opacity: 0.8;
  }
  div,
  p {
    max-width: 100%;
  }

  /* 端末表示 */
  .pc-display {
    display: none !important;
  }
  .sp-display {
    display: block !important;
  }

  /* =====================================
　footer
===================================== */
  footer {
    padding: 10px 20px;
  }
  footer .copy {
    font-size: 12px;
    line-height: 1.4em;
    letter-spacing: 0.05em;
    text-align: center;
  }
  footer .copy span {
    display: none;
  }

  /* =====================================
　contents
===================================== */
  .main-wrap {
    margin: 0 auto 32px auto;
    width: 100%;
    max-width: 1028px;
  }
  .main-wrap img {
    width: 100%;
    height: auto;
  }

  .contents-wrap {
    padding: 0 30px;
    box-sizing: border-box;
  }

  .about-wrap {
    margin: 0 auto 40px auto;
    width: 100%;
    max-width: clamp(564px, 74vw, 844px);
  }
  .about-wrap img {
    width: 100%;
    height: auto;
  }

  .figure-wrap {
    margin: 0 0 28px 0;
    width: 100%;
    max-width: clamp(619px, 81vw, 927px);
  }
  .figure-wrap img {
    width: 100%;
    height: auto;
  }

  .booklet-viewer-wrap {
    margin-bottom: 49px;
  }
  .booklet-viewer-wrap p.book {
    margin: 0 auto;
    width: 275px;
  }
  .booklet-viewer-wrap p.btn {
    margin: -24px auto 0 auto;
    width: 299px;
  }
  .booklet-viewer-wrap p img {
    width: 100%;
    height: auto;
  }

  .cross-talk-wrap {
    margin: 0 auto 109px auto;
    width: 100%;
    max-width: clamp(563px, 73vw, 843px);
    position: relative;
  }
  .cross-talk-wrap .img img {
    width: 100%;
    height: auto;
  }
  .cross-talk-wrap .youtube {
    width: 100%;
    width: calc(281 / 311 * 100%);
    max-width: clamp(438px, 57vw, 656px);
    aspect-ratio: 16 / 9;
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
  }
  .cross-talk-wrap .youtube iframe {
    width: 100%;
    height: 100%;
  }

  .support-comments-wrap {
    margin-bottom: 39px;
  }
  .support-comments-wrap p.comments {
    margin: 0 0 0 -22px;
    width: calc(100% + 22px);
    max-width: clamp(598px, 78vw, 893px);
  }
  .support-comments-wrap p.comments img {
    margin-left: 0;
    width: 100%;
    height: auto;
  }
  .support-comments-wrap p.btn {
    margin: 0 auto 0 auto;
    width: 255px;
    max-width: clamp(568px, 74vw, 846px);
  }
  .support-comments-wrap p.btn img {
    width: 100%;
    height: auto;
  }

  .book-list-wrap {
    margin: 0 auto;
    width: 100%;
    max-width: 1028px;
  }
  .book-list-wrap ul li {
    list-style: none;
    margin-bottom: 27px;
  }
  .book-list-wrap ul li:last-child {
    margin-bottom: 0;
  }
  .book-list-wrap ul li figure img {
    width: 100%;
    height: auto;
  }
  .book-list-wrap ul li .btn {
    margin-top: 6px;
  }
  .book-list-wrap ul li .btn a {
    margin: 0 auto;
    display: block;
    width: 194px;
    max-width: clamp(194px, 47vw, 538px);
  }
  .book-list-wrap ul li .btn a img {
    width: 100%;
    height: auto;
  }
}