/* === 共通 === */
.top_sec{
  position: relative;
}
.top_sec .inner{
  position: relative;
  margin: 0 auto;
  padding: 0 40px;
}
.top_sec h2{
  position: relative;
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
}
.top_sec h2 .en{
  display: block;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.7;
}
.top_sec h2:not(.white) span{
  color: var(--color-primary);
}
.top_sec h2 + p{
  font-size: 16px;
  line-height: 2;
}
.top_sec .btn a{
  display: table;
  position: relative;
  margin: auto;
  padding: 20px 133px 20px 20px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  border-radius: 50px;
  border: 1px solid;
  transition: background .2s;
}
.top_sec .btn a svg{
  position: absolute;
  inset: 50% 20px auto auto;
  translate: 0 -50%;
  width: 41px;
  height: 9px;
}
.top_sec .btn.white a{
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.top_sec .btn.blue a{
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.top_sec .btn.white a svg{
  fill: var(--color-primary);
  stroke: var(--color-primary);
}
.top_sec .btn.blue a svg{
  fill: #fff;
  stroke: #fff;
}
@media (min-width: 768px){
  .top_sec .btn.white a:hover{
    background: var(--color-primary);
    color: #fff;
  }
  .top_sec .btn.blue a:hover{
    background: #fff;
    color: var(--color-primary);
  }
  .top_sec .btn.white a:hover svg{
    fill: #fff;
    stroke: #fff;
  }
  .top_sec .btn.blue a:hover svg{
    fill: var(--color-primary);
    stroke: var(--color-primary);
  }
}
@media (max-width: 1240px){
  .top_sec .inner{
    padding: 0 20px;
  }
}
@media (max-width: 767px){
  .top_sec h2{
    font-size: 28px;
  }
  .top_sec h2 .en{
    font-size: 20px;
  }
  .top_sec h2 + p{
    font-size: 15px;
  }
}


/* === メインビジュアル === */
.top_mv{
  position: relative;
  padding-top: 80px;
}
.top_mv::before{
  content: '';
  background: url(../img/mv_ttl_icon.svg) no-repeat center / cover;
  position: absolute;
  inset: 20px 30px auto auto;
  width: 72.8rem;
  height: 21.5rem;
}
.top_mv h1{
  color: var(--color-primary);
  padding: 0 40px;
  font-size: clamp(56px, 7.2rem, 72px);
  font-weight: 700;
  line-height: 1.5;
}
.top_mv h1 span{
  background: var(--color-primary);
  color: #fff;
  position: relative;
  padding: 0 15px;
  z-index: 1;
}
.top_mv .mv{
  position: relative;
  margin-top: -45px;
}
.top_mv .mv .inner{
  max-width: 1920px;
}
.top_mv .mv .img{
  border-radius: 40px;
  overflow: hidden;
}
.top_mv .mv::before{
  content: '';
  background: var(--color-primary);
  position: absolute;
  inset: auto auto 0 50%;
  translate: -50% 0;
  width: 100vw;
  height: 50%;
  z-index: -1;
}

@media (max-width: 1240px){
  .top_mv h1{
    font-size: 36px;
  }
  .top_mv .mv{
    margin-top: -28px;
  }
}
@media (max-width: 767px){
  .top_mv{
    padding: calc(51rem + 20px) 0 0;
  }
  .top_mv::before{
    inset: 20px auto auto 50%;
    translate: -50% 0;
    width: calc(100% - 40px);
    height: 51rem;
  }
  .top_mv h1{
    padding: 0 8px;
    font-size: 27px;
  }
  .top_mv .mv{
    margin-top: -22px;
  }
  .top_mv .mv .img{
    border-radius: 20px;
  }
}
.top_mv::after {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background: linear-gradient(150deg, rgb(85 140 199) 0%, rgb(52 91 132) 100%);
    /* background-color: #fff; */
    position: absolute;
    top: 0;
    left: 0;
    /* transition: 0.6s cubic-bezier(0, 0.86, 0.25, 1); */
    /* border-radius: 40px; */
    animation: mv-op-bg 0.6s cubic-bezier(0, 0.86, 0.25, 1) forwards;
    /* animation-delay: 0.3s; */
}

@keyframes mv-op-bg {
    0% {
        height: 100%;
        /* border-radius: 40px; */
    }
    100% {
        height: 0;
        /* border-radius: 40px; */
    }
}


/* === About LAB === */
.top_about{
  background: var(--color-primary);
  color: #fff;
  padding: 140px 0 200px;
  overflow: hidden;
}
.top_about .inner{
  max-width: 1920px;
}
.top_about .inner::before{
  content: '';
  background: url(../img/top_about_bg01.svg) no-repeat center / cover;
  position: absolute;
  inset: -90px 40px auto auto;
  width: 72.3rem;
  height: 33.2rem;
}
.top_about .inner::after{
  content: '';
  background: url(../img/top_about_bg02.svg) no-repeat center / cover;
  position: absolute;
  inset: auto auto -150px 40px;
  width: 72.3rem;
  height: 33.2rem;
}
.top_about h2{
  padding-bottom: 46px;
}
.top_about .row{
  display: flex;
  justify-content: center;
  position: relative;
}
.top_about .row .content{
  width: 480px;
  z-index: 2;
}
.top_about .row .img{
  position: absolute;
  z-index: 1;
}
.top_about .row .img img{
  position: relative;
}
.top_about .row .img01{
  width: 232px;
  inset: -70px calc(50% + 396px) auto auto;
}
.top_about .row .img01::before{
  content: '';
  background-image: repeating-radial-gradient(
    circle,
    #5FA1E6 0 1.9px, 
    transparent 1.9px 8.5px
  );
  background-size: 8.5px 8.5px;
  position: absolute;
  inset: auto -45px -42px auto;
  width: 202px;
  height: 202px;
}
.top_about .row .img02{
  width: 141px;
  inset: 252px calc(50% + 602px) auto auto;
}
.top_about .row .img03{
  width: 153px;
  inset: auto calc(50% + 312px) -133px auto;
}
.top_about .row .img04{
  width: 217px;
  inset: -23px auto auto calc(50% + 354px);
}
.top_about .row .img05{
  width: 176px;
  inset: 264px auto auto calc(50% + 658px);
}
.top_about .row .img05::before{
  content: '';
  background-image: repeating-radial-gradient(
    circle,
    #5FA1E6 0 1.9px, 
    transparent 1.9px 8.5px
  );
  background-size: 8.5px 8.5px;
  position: absolute;
  inset: auto auto -73px -81px;
  width: 160px;
  height: 160px;
}
.top_about .row .img06{
  width: 115px;
  inset: auto auto -151px calc(50% + 255px);
}
@media (max-width: 767px){
  .top_about{
    padding: 100px 0 136px;
  }
  .top_about .inner::before{
    inset: auto -54px -108px auto;
    width: 371px;
    height: 169px;
  }
  .top_about .inner::after{
    display: none;
  }
  .top_about .row .img01{
    inset: -46px -56px auto auto;
    width: 146px;
  }
  .top_about .row .img01::before{
    inset: auto auto -27px 53px;
    width: 128px;
    height: 128px;
  }
  .top_about .row .img02{
    inset: auto auto -186px -60px;
    width: 141px;
  }
  .top_about .row :is(.img03, .img04, .img05, .img06){
    display: none;
  }
}


/* === Our Product === */
.top_product{
  padding: 80px 0;
}
.top_product .inner{
  max-width: 1260px;
}
.top_product h2{
  padding-bottom: 20px;
}
.top_product h2::after{
  content: '';
  background: url(../img/product_ttl_icon.svg) no-repeat center / cover;
  position: absolute;
  inset: auto auto 0 424px;
  width: 166px;
  height: 158px;
  z-index: -1;
}
.top_product h2 + p{
  padding-bottom: 40px;
}
.top_product .list{
  display: flex;
  gap: 56px 6rem;
}
.top_product .list li{
  flex: 1;
}
.top_product .list .img{
  margin-bottom: 10px;
  border-radius: 10px;
  overflow: hidden;
}
.top_product .list .ttl{
  padding-bottom: 10px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.2;
}
.top_product .list .txt{
  padding-bottom: 20px;
  font-size: 15px;
  line-height: 1.5;
}
@media (min-width: 768px){
  .top_product .list .btn a{
    margin: 0 0 0 auto;
    padding: 16px 76px 16px 16px;
  }
}
@media (max-width: 767px){
  /* .top_product{
    padding: 100px 0 136px;
  } */
  .top_product h2::after{
    inset: auto 0 20px auto;
    width: 95px;
    height: 91px;
  }
  .top_product .list{
    flex-direction: column;
  }
  .top_product .list .ttl{
    font-size: 20px;
  }
}


/* === Value of LAB === */
.top_value{
  background: url(../img/top_value_bg.png) no-repeat center / cover;
  color: #fff;
  padding: 140px 0 0;
}
.top_value .inner{
  max-width: 1660px;
}
.top_value h2{
  padding-bottom: 20px;
}
.top_value h2::after{
  content: '';
  background: url(../img/value_ttl_icon.svg) no-repeat center / cover;
  position: absolute;
  inset: auto auto 20px 434px;
  width: 217px;
  height: 184px;
}
.top_value h2 + p{
  padding-bottom: 32px;
}
.top_value .block{
  width: calc(100% + ((100vw - 100%) / 2));
  background: var(--color-primary);
  display: flex;
  gap: 40px 80px;
  padding: 80px;
  border-radius: 20px 0 0 0;
  min-height: 767px;
}
.top_value .block .tag a{
  display: block;
  padding: 16px 40px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  border: 1px solid #fff;
  border-radius: 50px;
  white-space: nowrap;
  transition: background .2s;
  outline: none;
}
.top_value .block .tag a.active{
  background: #fff;
  color: var(--color-primary);
}
.top_value .block .tag a.active span{
  display: inline-block;
  position: relative;
  translate: 6px 0;
}
.top_value .block .tag a.active span::before{
  content: '';
  background: var(--color-primary);
  position: absolute;
  inset: 50% auto auto -20px;
  translate: 0 -50%;
  width: 12px;
  height: 14px;
  clip-path: polygon(49.9994% 98.7453%, 94.4586% 74.5393%, 94.4586% 26.1285%, 49.9994% 1.9230%, 5.5403% 26.1285%, 5.5403% 74.5393%);
}
.top_value .block .content{
  display: none;
}
.top_value .block .content.show{
  display: block;
  max-width: 960px;
}
@media screen and (max-width: 1440px){
  .top_value .block .content.show{
    height: 738px;
  }
}
@media screen and (max-width: 1240px){
  .top_value .block .content.show{
    height: 1244px;
  }
}
@media screen and (max-width: 767px){
  .top_value .block .content.show{
    height: 1060px;
  }
}
.top_value .block .content h3{
  display: flex;
  align-items: center;
  gap: 24px;
  padding-bottom: 48px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
}
.top_value .block .content h3 .en{
  display: block;
  font-size: 64px;
  font-weight: 400;
}
.top_value .block .content h3::after{
  content: '';
  background: #fff;
  flex: 1;
  height: 1px;
  translate: 0 9px;
}
.top_value .block .content .row{
  display: flex;
  align-items: flex-start;
  gap: 24px 40px;
}
.top_value .block .content .row .img_content{
  flex: 1;
}
.top_value .block .content .row .txt_content{
  flex: 1.3;
}
.top_value .block .content .row .txt_content .ttl{
  padding-bottom: 24px;
  font-size: 24px;
  font-weight: 500;
  line-height: 1.8;
}
.top_value .block .content .row .txt_content .txt{
  padding-bottom: 24px;
  font-size: 15px;
  line-height: 2;
}
.top_value .block .content .row .txt_content .btn a{
  margin: 0 0 0 auto;
}
@media (min-width: 768px){
  .top_value .block .tag li + li{
    margin-top: 24px;
  }
  .top_value .block .tag a:hover{
    background: #fff;
    color: var(--color-primary);
  }
}
@media (max-width: 1240px){
  .top_value .block .content .row{
    flex-direction: column;
  }
  .top_value .block .content .row .img_content{
    width: min(100%, 400px);
    margin: auto;
  }
}
@media (max-width: 767px){
  .top_value{
    padding: 80px 0 0;
  }
  .top_value h2::after{
    inset: 11px 0 auto auto;
    width: 135px;
    height: 115px;
  }
  .top_value .block{
    flex-direction: column;
    width: 100%;
    padding: 30px 20px 64px;
    border-radius: 20px 20px 0 0;
  }
  .top_value .block .tag{
    display: flex;
    gap: 8px;
    padding-bottom: 5px;
    overflow-x: scroll;
    overflow-y: hidden;
  }
  .top_value .block .tag a{
    padding: 16px 20px;
    font-size: 13px;
  }
  .top_value .block .tag a.active{
    padding: 16px 20px 16px 40px;
  }
  .top_value .block .tag a.active span{
    translate: 0;
  }
  .top_value .block .tag a.active span::before{
    inset: 50% auto auto -16px;
  }
  .top_value .block .content h3{
    gap: 8px;
    padding-bottom: 24px;
    font-size: 14px;
  }
  .top_value .block .content h3 .en{
    font-size: 40px;
  }
  .top_value .block .content .row .txt_content .ttl{
    font-size: 18px;
  }
  .top_value .block .content .row .txt_content .txt{
    font-size: 14px;
  }
  .top_value .block .content .row .txt_content .btn a{
    margin: auto;
  }
}


/* === Cases === */
.top_case{
  padding: 80px 0;
}
.top_case .inner{
  max-width: 1260px;
}
.top_case .head{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding-bottom: 48px;
}
.top_case h2::after{
  content: '';
  background: url(../img/case_ttl_icon.svg) no-repeat center / cover;
  position: absolute;
  inset: auto auto 0 123px;
  width: 153px;
  height: 130px;
  z-index: -1;
}
.top_case .case_list{
  padding-bottom: 48px;
}
@media (max-width: 767px){
  .top_case .head{
    display: block;
    padding-bottom: 40px;
  }
  .top_case h2{
    padding-bottom: 20px;
  }
  .top_case h2::after{
    inset: auto auto 0 94px;
    width: 102px;
    height: 87px;
  }
  .top_case .case_list{
    display: block;
    width: calc(100% + 20px);
  }
  .top_case .case_list li{
    width: 280px;
    margin-right: 13px;
    padding: 7px;
  }
}


/* === News/Blog === */
.top_column{
  background: var(--color-primary);
  color: #fff;
  padding: 80px 0 100px;
}
.top_column .inner{
  max-width: 1660px;
}
.top_column h2{
  padding-bottom: 20px;
}
.top_column h2::after{
  content: '';
  background: url(../img/column_ttl_icon.svg) no-repeat center / cover;
  position: absolute;
  inset: auto auto 20px 109px;
  width: 154px;
  height: 131px;
}
.top_column .row{
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 40px;
}
@media (max-width: 767px){
  .top_column h2::after{
    inset: auto auto 20px 66px;
    width: 114px;
    height: 97px;
  }
  .top_column .inner{
    display: flex;
    flex-direction: column;
  }
  .top_column .row{
    display: contents;
  }
  .top_column .row .head{
    padding-bottom: 40px;
  }
  .top_column .row .btn{
    order: 1;
  }
  .top_column .column_list{
    display: block;
    width: calc(100% + 20px);
    padding-bottom: 50px;
  }
  .top_column .column_list li{
    width: 280px;
    margin-right: 20px;
  }
}