html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  scroll-behavior: smooth;
  overscroll-behavior: none;
}

#main {
  position: relative;
  height: 100%;
  width: 100%;
  transition: opacity .5s ease;
}
#root {
  position: relative;
  width: 100%;
  height: 100%;
}
  .main .top {
    position: absolute;
    height: 100vh;
    overflow: hidden;
    z-index: 1;
    width: 100%;
  }
  .main .scroll-area {
    position: relative;
    top: 0;
    right: 0;
    width: 100%;
    z-index: 2;
    width: 100%;
    height: 100vh;
    overflow-y: scroll;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: y mandatory; 
    scroll-behavior: smooth;
  }
  .main .scroll-area .section {
    display: flex;
    flex-flow: column;
    justify-content: center;
    align-items: center;
    margin-left: auto;
    scroll-snap-align: start;
    box-sizing: border-box;
    position: relative;
    min-height: 100vh;
  }
.main .scroll-area .section1, .main .scroll-area .section2, .main .scroll-area .section3, .main .scroll-area .section4, .main .scroll-area .section5, .main .scroll-area .section6 {
    padding: 10% 5%;
    width: 70%;
    height: 100vh;
}
  .main .pagination {
    position: fixed;
    top: 50%;
    right: 32px;
    transform: translateY(-50%);
    z-index: 10;
    flex-direction: column;
  }
  .main .pagination a {
    display: block;
    width: 12px;
    height: 12px;
    margin: 24px 0;
    border-radius: 50%;
    background-color: #ef90b1;
    transition: transform 0.2s;
  }
  .main .pagination a.active {
    transform: scale(1.8);
  }
  .main .pagination a.active {
    transform: scale(1.8);
  }
  .main .pagination.hide {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.main .scroll-area .ex {
    text-align: center;
    line-height: 2.8;
    margin-top: 60px;
}
.main .scroll-area .section1 .sub_ttl {
    position: absolute;
    top: 40%;
    left: 20%;
    font-size: clamp(1.563rem, 0.625rem + 3.13vw, 3.75rem);
    letter-spacing: 0;
}
.main .scroll-area .section7 {
    justify-content: end;
}
.concept .contact_area {
    width: 100%;
    height: 59vh;
    display: flex;
    align-items: center;
    margin: 0;
}
.concept .site-footer {
    height: 30vh;
}
.scroll-area {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s ease, transform 1s ease;
}
.scroll-area.show {
  opacity: 1;
  transform: translateY(0);
}
#root svg {
  visibility: hidden;
}
@media screen and (max-width: 1700px) and (min-width: 1281px) {
  .main .scroll-area .section1 .sub_ttl {
    top: 36%;
    left: 14%;
}
}
@media screen and (max-width: 1280px) {
  .main .scroll-area .section1,
  .main .scroll-area .section2,
  .main .scroll-area .section3,
  .main .scroll-area .section4,
  .main .scroll-area .section5,
  .main .scroll-area .section6 {
    padding: 0 5%;
    width: 100%;
    height: 100vh;
  }
  .main .pagination {
    right: 16px;
  }
  .section .sub-ttl {
    top: -5%;
  }
  
  .main .scroll-area .section1, .main .scroll-area .section2, .main .scroll-area .section3, .main .scroll-area .section4, .main .scroll-area .section5, .main .scroll-area .section6 {
    width: 80%;
  }
  .main .scroll-area .ex {
    margin-top: 20px;
    line-height: 2.1;
}
.fs-base {
    
}}
/* タブレット共通 */
@media screen and (min-width: 631px) and (max-width: 1280px) {}
/* タブレット縦 */
@media screen and (min-width: 631px) and (max-width: 1024px) and (orientation: portrait) {
.main .scroll-area .section1 .sub_ttl {
    top: 44%;
    left: 15%;
}
.main .scroll-area .ex {
  margin-top: 70px;
  line-height: 3;
}
}
/* タブレット横 */
@media screen and (min-width: 631px) and (max-width: 1366px) and (orientation: landscape) {
  .main .scroll-area .section1 .sub_ttl {
    top: 38%;
    left: 12%;
  }
  .main .scroll-area .ex {
    margin-top: 50px;
    line-height: 2.5;
  }
}
@media screen and (max-width: 1024px) and (min-width: 631px) {
.sub_ttl {
    font-size: clamp(1.375rem, 0.576rem + 2.03vw, 1.875rem);
}
.main .top {
    opacity: .6;
  }
}

@media screen and (max-width: 830px) {
  .main .scroll-area .section {
    width: 100%;
  }
}

@media screen and (max-width: 630px) {
.main .scroll-area .section1, .main .scroll-area .section2, .main .scroll-area .section3, .main .scroll-area .section4, .main .scroll-area .section5, .main .scroll-area .section6 {
    padding: 0 3%;
}
.main .scroll-area .sub_ttl {
    font-size: clamp(1.125rem, 0.941rem + 0.78vw, 1.25rem);
}
.main .scroll-area .ex {
    margin-top: 2rem;
    text-align: left;
    line-height: 1.7;
    font-size: clamp(0.938rem, 0.754rem + 0.78vw, 1.063rem);
}
  .main .top {
    opacity: .4;
  }
.main .scroll-area .section1 .sub_ttl {
    top: 39%;
    left: 10%;
}
.section1 p {
  line-height: 1.8;
}
}