.top-v .inn {
  position: relative;
  height: 100vh;
  max-height: 720px;
}

.fv-slide {
  opacity: 0;
  transition: opacity 0.5s ease-in-out; /* スムーズな表示切り替えのために */
}
.fv-slide.slick-initialized {
  opacity: 1;
}
.fv-slide .sl-img {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 720px;
}
.fv-slide .sl-img.s01 {
  background-image: url(../img/index/slide-01@2x.jpg);
}
.fv-slide .sl-img.s02 {
  background-image: url(../img/index/slide-02@2x.jpg);
}
.fv-slide .sl-img.s03 {
  background-image: url(../img/index/slide-03@2x.jpg);
}
.slick-dots {
  bottom: 30px;
}
.slick-dots li {
  width: auto;
  height: auto;
  margin:0 10px;
}
.slick-dots li button {
  width: 15px;
  height: 15px;
  padding:0;
  margin:auto;
}
.slick-dots li button:before {
  content:"";
  opacity: 1;
  width:14px;
  height: 14px;
  border:1px solid #fff;
  border-radius: 50%;
  background-color:transparent;
}
.slick-dots li.slick-active button:before {
  opacity: 1;
  background-color: #fff;
}
.top-v .tct-logo {
  position: absolute;
  left: 0;
  right: 0;
  top:46%;
  margin:auto;
  transform: translateY(-50%);
  background: #fff;
  padding:48px 70px 38px;
  box-shadow: 0px 3px 6px #00000029;
  text-align: center;
  max-width: 490px;
}

main .sec {
  padding:60px 0;
}
main .sec.s1 {
  padding-top: 0;
  padding-bottom: 60px;
}
.sec.s1 .r1, .sec.s1 .r2 {
  margin-bottom: 120px;
}
.cont.c1 {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: end;
}
.cont.c1 .inn {
  max-width: 410px;
}
.cont.c1 .c-logo {
  text-align: center;
  margin-top: 50px;
  margin-bottom: 46px;
}
.r2 .tt,
.save-corals .tt {
  font-size: 28px;
  line-height: 38px;
  font-weight: 500;
  margin-bottom: 30px;
}
.r2 .photo-cer {
  position: relative;
  padding-top: 82px;
}
.r2 .photo-cer .sea img {
  max-width: none;
}
.r2 .photo-cer .cer-img {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  margin:auto;
}
.r3 .cont {
  padding-left: 52px;
}
.r3 .rec-sales {
  margin:40px 0 20px;
}
.r3 .rec-sales span {
  display: inline-block;
  color:#fff;
  font-weight: 600;
  font-size: 22px;
  line-height: 30px;
  padding:6px 50px;
  border-radius: 22px;
  background-color: #DC000C;
}

.sec.sns {
  position: relative;
}
.sec.sns:before {
  content:"";
  position: absolute;
  left: -300px;
  top:-10px;
  background-image: url(../img/index/bg-logo.svg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100%;
  width: 628px;
  height: 628px;
}
.inst .tt {
  position: relative;
  font-weight: 600;
  font-size: 36px;
  line-height: 50px;
  color:#DC000C;
  padding-left: 46px;
  margin-bottom: 30px;
}
.inst .tt:before {
  content:"";
  position: absolute;
  left: 0;
  top:50%;
  width: 33px;
  height: 34px;
  transform: translateY(-50%);
  background-position: center;
  background-size: 100%;
  background-repeat: no-repeat;
  background-image: url(../img/common/ico-instagram.svg);
}
#sb_instagram .sbi_photo_wrap {
  background:#fff;
}
.sec.s2 {
  position: relative;
}

.s2 .coral-photo {
  margin-top: 80px;
  margin-right: 50px;
  float: right;
}
.s2 .coral-photo img {
  max-width: none;
}
.save-corals .sc-logo {
  margin-bottom: 34px;
}
.save-corals a {
  text-decoration: underline;
}
.save-corals .coral-img {
  margin-top: 50px;
  text-align: right;
}

main .sec.obi {
  padding:20px 0;
}
.sec.obi .inn {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image: url(../img/index/bg-title@2x.jpg);
  height: 220px;
}
.sec.obi .container {
  height: 100%;
}
.sec.obi .title {
  display: flex;
  height: 100%;
  align-items: center;
}

main .sec.company {
}
.company h2 {
  position: relative;
  font-weight: bold;
  font-size: 24px;
  line-height: 34px;
  padding-bottom: 18px;
  margin-bottom: 45px;
}
.company h2:after {
  content:"";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 146px;
  height: 6px;
  background-color: #DC000C;
}
.company dl {
  flex-wrap: wrap;
  border-top:1px solid #888;
}
.company dl>* {
  border-bottom:1px solid #888;
  margin:0;
  padding:14px;
}
.company dl dt {
  width: 30%;
  padding-left: 30px;
}
.company dl dd {
  width: 70%;
}
.company .bnn a {
  display: block;
  background-color: #000;
  color:#fff;
  text-align: center;
  font-size: 22px;
  line-height: 32px;
  padding:8px;
  height: 84px;
  margin-bottom: 34px;
}
.company .bnn a:hover {
  text-decoration: none;
}
.company .bnn .inn {
  display: flex;
  height: 100%;
  justify-content: center;
  align-items: center;
}
.company .bnn .btn-contact {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 600;
}
.bnn .btn-contact span {
  position: relative;
  display: inline-block;
  padding-left: 58px;
}
.bnn .btn-contact span:before {
  content:"";
  position: absolute;
  left: 0;
  top:50%;
  width: 44px;
  height: 44px;
  transform: translateY(-50%);
  background-position: center;
  background-size: 100%;
  background-repeat: no-repeat;
  background-image: url(../img/common/ico-mail.svg);
}

@media (max-width: 992px) {
  .top-v .inn {
    max-height: 500px;
  }
  .fv-slide .sl-img {
    height: 500px;
  }
  .top-v .tct-logo {
    padding: 30px 20px 24px;
    max-width: 390px;
  }
  .tct-logo img {
    max-width: 240px;
  }
  .r3 .cont {
    padding-left: 0;
  }
  .sec.sns:before {
    left: -250px;
    top: 12px;
    width: 420px;
    height: 420px;
  }
  .s2 .coral-photo {
    margin-right: 0;
  }
  .s2 .coral-photo img {
    max-width: 500px;
  }
  .company dl {
    margin-bottom: 40px;
  }
}

@media (max-width: 767px) {
  .top-v .inn {
    max-height: none;
    height: 100vh;
  }
  .fv-slide .sl-img {
    height: 100vh;
  }

  .top-v .tct-logo {
    max-width: 80%;
  }
  .tct-logo img {
    max-width: 200px;
  }

  .sec.s1 .r1, .sec.s1 .r2 {
    margin-bottom: 60px;
  }

  .r2 .tt, .save-corals .tt {
    font-size: 20px;
    line-height: 30px;
    margin-bottom: 15px;
  }
  .sea.sp {
    margin:0 -12px 30px;
  }
  .cont.c2 {
    margin-bottom: 30px;
  }
  .r2 .photo-cer {
    padding-top: 0;
    text-align: center;
  }
  .r2 .photo-cer .cer-img {
    position: relative;
  }
  .r3 .island {
    margin:0 -12px 30px;
  }
  .sec.sns:before {
    top:18px;
    left: -200px;
    width: 320px;
    height: 320px;
  }
  .inst .tt {
    font-size: 30px;
    line-height: 40px;
    padding-left: 42px;
    margin-bottom: 22px;
  }

  .s2 .coral-photo {
    float: none;
    margin:0 -12px 30px;
  }
  .s2 .coral-photo img {
    max-width: 100%;
  }
  .save-corals .sc-logo {
    text-align: center;
    margin-bottom: 25px;
  }
  .save-corals .coral-img {
    margin-top: 30px;
    text-align: center;
  }
  .save-corals .coral-img img {
    width: 100%;
  }

  main .sec.obi {
    padding:10px 0;
  }
  .sec.obi .inn {
    height: 140px;
  }
  .sec.obi .title {
    justify-content: center;
  }
  main .sec.company {
    padding-top: 30px;
  }
  .sec.obi .title img {
    max-width: 290px;
  }
  .company dl>* {
    padding:12px 8px;
  }
  .company dl dt {
    width: 26%;
  }
  .company dl dd {
    width: 74%;
  }
  .company dl dt {
    padding-left: 0;
  }

}