:root{
  --main:#2e7d32;
  --accent:#66bb6a;
  --bg:#f3f8f4;
  --text:#2f3842;
  --muted:#68727d;
  --line:#dde5ea;
  --white:#ffffff;
  --blue:#8fb9df;
  --pink:#efb7d5;
  --green:#b7dcca;
  --blue-deep:#4f7ea8;
  --pink-deep:#b96b95;
  --green-deep:#5f9077;
  --shadow:0 16px 50px rgba(32,56,75,0.08);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --container:1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  color:#333;
  background:var(--bg);
  line-height:1.7;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}

header{
  background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,0.05);
  position:sticky;
  top:0;
  z-index:50;
}

.header-inner{
  max-width:1200px;
  margin:auto;
  padding:10px 20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  position:relative;
}

.logo{
  display:flex;
  align-items:center;
  min-width:0;
  gap:10px;
}

.logo img{
  height:40px;
  width:auto;
  flex-shrink:0;
}

.company-name{
  color:var(--main);
  font-weight:bold;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.nav_list{
  display:flex;
  gap:20px;
  list-style:none;
  margin:0;
  padding:0;
}

.nav_item a{
  color:var(--main);
  font-weight:bold;
  text-decoration:none;
  transition:font-size 0.2s ease, font-weight 0.2s ease, color 0.2s ease;
}

.nav_item{
  position:relative;
}

.nav_item::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-8px;
  height:2px;
  background:var(--main);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform 0.2s ease;
}

.nav_item.has-submenu::after{
  content:"";
  position:absolute;
  top:100%;
  right:0;
  width:100%;
  height:14px;
}

.nav_trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:0;
  border:none;
  background:transparent;
  appearance:none;
  -webkit-appearance:none;
  color:var(--main);
  font:inherit;
  font-family:inherit;
  font-size:inherit;
  line-height:inherit;
  font-weight:bold;
  cursor:pointer;
  transition:font-size 0.2s ease, font-weight 0.2s ease, color 0.2s ease;
  opacity:1;
}

.nav_trigger::after{
  content:"";
  width:8px;
  height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:translateY(-2px) rotate(45deg);
  transition:transform 0.2s ease;
}

.nav_item.has-submenu:hover .nav_trigger::after,
.nav_item.has-submenu:focus-within .nav_trigger::after,
.nav_item.has-submenu.open .nav_trigger::after{
  transform:translateY(1px) rotate(-135deg);
}

@media(min-width:769px){
  .nav_item:hover::before,
  .nav_item:focus-within::before,
  .nav_item.open::before{
    transform:scaleX(1);
  }

  .nav_item:hover > a,
  .nav_item:focus-within > a,
  .nav_item.open > a,
  .nav_item:hover > .nav_trigger,
  .nav_item:focus-within > .nav_trigger,
  .nav_item.open > .nav_trigger{
    font-size:1.04em;
    font-weight:800;
  }
}

.nav_sublist{
  position:absolute;
  top:calc(100% + 6px);
  right:0;
  left:auto;
  transform:translateY(8px);
  min-width:190px;
  margin:0;
  padding:10px 0;
  list-style:none;
  background:#fff;
  border:1px solid rgba(46,125,50,0.12);
  border-radius:12px;
  box-shadow:0 14px 28px rgba(0,0,0,0.08);
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
  z-index:20;
}

.nav_sublist a{
  display:block;
  padding:10px 18px;
  color:var(--main);
  font-weight:700;
  white-space:nowrap;
}

.nav_sublist a:hover{
  background:#f3f8f4;
}

.nav_item.has-submenu:hover .nav_sublist,
.nav_item.has-submenu:focus-within .nav_sublist,
.nav_item.has-submenu.open .nav_sublist{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateY(0);
}

.hamburger{
  display:none;
  flex-direction:column;
  cursor:pointer;
  margin-left:auto;
}

.hamburger span{
  width:25px;
  height:3px;
  background:var(--main);
  margin:4px 0;
  border-radius:999px;
}

.main-img{
  background:url('../img/common/lab001.jpg');
  background-size:cover;
  background-position:center;
  height:650px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}

.main-img h1{
  color:#fff;
  font-size:36px;
  line-height:1.6;
  text-shadow:0 2px 10px rgba(0,0,0,0.6);
}

.section{
  max-width:1000px;
  margin:60px auto;
  padding:0 20px;
}

.section-title{
  text-align:center;
  font-size:26px;
  color:var(--main);
  margin-bottom:30px;
  font-weight:700;
  letter-spacing:1px;
}

.card{
  background:#fff;
  padding:25px;
  border-radius:12px;
  box-shadow:0 10px 25px rgba(0,0,0,0.05);
}

.card img{
  width:100%;
  border-radius:10px;
}

.card p{line-height:1.7;}

.content{
  max-width:850px;
  margin:auto;
  padding:0 10px;
}

.product-main{
  max-width:400px;
  display:block;
  margin:20px auto;
}

.product-color{
  display:flex;
  gap:20px;
  justify-content:center;
  margin-top:20px;
}

.color-box{
  width:60px;
  height:60px;
  border-radius:50%;
  border:2px solid #ddd;
}

table{
  text-align:center;
  width:100%;
  border-collapse:collapse;
}

th{
  text-align:left;
  width:40%;
  padding:8px 0;
}

td{padding:8px 0;}

.product-image{
  width:60%;
  max-width:450px;
  height:auto;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:24px;
  box-shadow:0 10px 30px rgba(0,0,0,0.08);
  display:block;
  margin:20px auto;
}

.antclotTable th,
.antclotTable td{
  text-align:center;
}

.ingredients{
  width:100%;
  border-collapse:collapse;
}

.ingredients th,
.ingredients td{
  padding:10px 0;
  border-bottom:1px solid #ddd;
}

.ingredients tr:last-child th,
.ingredients tr:last-child td{
  border-bottom:none;
}

.research-image{
  width:100%;
  max-width:400px;
  border-radius:16px;
  display:block;
  margin:0 auto 20px;
}

footer{
  background:var(--main);
  color:#fff;
  text-align:center;
  padding:20px;
  margin-top:60px;
}

/* new mask page */
.mask-page{
  color:var(--text);
  background:radial-gradient(circle at top left,#ffffff 0%,#f7f7f4 38%,#f3f4f1 100%);
}

.page-shell{
  width:min(var(--container), calc(100% - 40px));
  margin:0 auto;
}

.mask-section{
  max-width:none;
  margin:0;
  padding:82px 0;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 14px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:#52616e;
  background:rgba(255,255,255,0.72);
  backdrop-filter:blur(10px);
  border:1px solid rgba(150,168,182,0.22);
}

.mask-hero{
  padding:34px 0 90px;
  position:relative;
  overflow:hidden;
}

.mask-hero::before,
.mask-hero::after{
  content:"";
  position:absolute;
  border-radius:50%;
  filter:blur(10px);
  opacity:0.65;
  z-index:0;
}

.mask-hero::before{
  width:360px;
  height:360px;
  right:-110px;
  top:40px;
  background:radial-gradient(circle, rgba(239,183,213,0.28), rgba(239,183,213,0));
}

.mask-hero::after{
  width:420px;
  height:420px;
  left:-140px;
  bottom:-120px;
  background:radial-gradient(circle, rgba(143,185,223,0.22), rgba(143,185,223,0));
}

.hero-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  align-items:center;
  gap:48px;
  position:relative;
  z-index:1;
}

.hero-copy h1{
  margin:20px 0 18px;
  font-size:clamp(34px,5vw,68px);
  line-height:1.15;
  letter-spacing:-0.03em;
  font-weight:700;
  color:var(--text);
}

.hero-copy .lead{
  font-size:clamp(15px,1.7vw,19px);
  color:var(--muted);
  max-width:620px;
  margin-bottom:28px;
}

.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:26px 0 34px;
}

.badge{
  padding:10px 16px;
  border-radius:999px;
  font-size:13px;
  background:rgba(255,255,255,0.88);
  border:1px solid rgba(165,178,191,0.25);
  box-shadow:0 4px 16px rgba(43,62,79,0.05);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  letter-spacing:0.02em;
  transition:transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover{
  transform:translateY(-1px);
  opacity:0.96;
}

.btn-primary{
  background:linear-gradient(135deg,#7bcf7a,#43a047);
  color:#fff;
  box-shadow:0 16px 30px rgba(67,160,71,0.22);
}

.btn-secondary{
  background:rgba(255,255,255,0.9);
  color:#425364;
  border:1px solid rgba(140,160,177,0.3);
}

.hero-visual{position:relative;}

.product-stage{
  position:relative;
  min-height:620px;
  border-radius:40px;
  background:linear-gradient(160deg, rgba(255,255,255,0.85), rgba(247,248,246,0.96));
  box-shadow:var(--shadow);
  overflow:hidden;
  border:1px solid rgba(201,212,220,0.45);
}

.product-stage::before,
.product-stage::after{
  content:"";
  position:absolute;
  border-radius:50%;
  z-index:0;
}

.product-stage::before{
  width:230px;
  height:230px;
  left:56px;
  top:170px;
  background:radial-gradient(circle, rgba(143,185,223,0.38), rgba(143,185,223,0));
}

.product-stage::after{
  width:230px;
  height:230px;
  right:42px;
  top:170px;
  background:radial-gradient(circle, rgba(239,183,213,0.38), rgba(239,183,213,0));
}

.product-orb{
  position:absolute;
  border-radius:50%;
  z-index:0;
  pointer-events:none;
}

.product-orb-green{
  width:240px;
  height:240px;
  left:50%;
  top:188px;
  transform:translateX(-50%);
  background:radial-gradient(circle, rgba(183,220,202,0.42), rgba(183,220,202,0));
}

.card-main{
  position:absolute;
  inset:38px 34px 130px;
  z-index:1;
  border-radius:28px;
  background:linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.66));
  border:1px solid rgba(220,228,234,0.76);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  backdrop-filter:blur(8px);
}

.card-main img{
  width:100%;
  max-width:520px;
  object-fit:contain;
  filter:drop-shadow(0 18px 30px rgba(61,82,100,0.18));
}

.float-card{
  position:absolute;
  z-index:2;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(10px);
  border:1px solid rgba(212,220,227,0.8);
  box-shadow:0 12px 24px rgba(45,63,79,0.08);
}

.float-card strong{
  display:block;
  font-size:13px;
  margin-bottom:3px;
}

.float-card span{
  font-size:12px;
  color:var(--muted);
}

.float-left{left:20px;top:26px;}
.float-right{right:20px;top:112px;}
.float-bottom{left:28px;bottom:24px;}

.section-head{
  max-width:760px;
  margin-bottom:34px;
}

.section-head h2{
  margin:14px 0 12px;
  font-size:clamp(28px,4vw,48px);
  line-height:1.15;
  letter-spacing:-0.03em;
  color:var(--text);
}

.section-head p{
  margin:0;
  color:var(--muted);
  font-size:16px;
}

.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:28px;
}

.feature-card{
  padding:28px;
  background:rgba(255,255,255,0.78);
  border:1px solid rgba(213,223,230,0.8);
  border-radius:var(--radius-lg);
  box-shadow:0 14px 28px rgba(51,72,91,0.04);
}

.feature-card .num{
  font-size:13px;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:#7a8794;
}

.feature-card h3{
  margin:12px 0 10px;
  font-size:22px;
  color:var(--text);
}

.feature-card p{
  color:var(--muted);
  margin:0;
}

.lineup-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  margin-top:28px;
}

.line-card{
  --accent-bar:#d7e4ef;
  position:relative;
  padding:34px;
  border-radius:28px;
  overflow:hidden;
  background:var(--white);
  border:1px solid rgba(220,228,234,0.84);
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:0.92fr 1.08fr;
  gap:30px;
  align-items:center;
}

.line-card.blue{--accent-bar:linear-gradient(90deg,#8fb9df,#4f7ea8);}
.line-card.pink{--accent-bar:linear-gradient(90deg,#efb7d5,#b96b95);}
.line-card.green{--accent-bar:linear-gradient(90deg,#b7dcca,#5f9077);}

.line-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:6px;
  background:var(--accent-bar);
}

.line-card.reverse{
  grid-template-columns:1.08fr 0.92fr;
}

.line-media,
.line-copy{
  position:relative;
  z-index:1;
}

.line-media{
  min-height:320px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  border-radius:24px;
  background:linear-gradient(180deg,#fafcfd,#f3f6f8);
}

.line-media img{
  max-width:290px;
  max-height:290px;
  object-fit:contain;
  filter:drop-shadow(0 16px 28px rgba(61,82,100,0.15));
}

.card-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:8px;
}

.code{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:0.12em;
  color:#6a7782;
}

.line-copy h3{
  margin:8px 0 6px;
  font-size:clamp(28px,3vw,40px);
  line-height:1.2;
  color:var(--text);
}

.line-copy h4{
  margin:0 0 14px;
  font-size:17px;
  color:#66727c;
  font-weight:500;
}

.line-copy p{
  margin:0 0 16px;
  color:var(--muted);
}

.line-copy ul{
  margin:0 0 18px;
  padding-left:1.2em;
  color:var(--text);
}

.line-copy li + li{margin-top:6px;}

.recommend{
  padding:14px 16px;
  border-radius:16px;
  background:#f6f8f9;
  color:#50606d;
  font-size:14px;
}

.detail-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:24px;
}

.spec-panel,
.steps-panel{
  background:rgba(255,255,255,0.82);
  border:1px solid rgba(213,223,230,0.84);
  border-radius:26px;
  padding:30px;
  box-shadow:0 14px 28px rgba(51,72,91,0.05);
}

.spec-panel h3,
.steps-panel h3{
  margin-top:0;
  margin-bottom:20px;
  font-size:26px;
  color:var(--text);
}

.spec-list{margin:0;}

.spec-item{
  display:grid;
  grid-template-columns:130px 1fr;
  gap:16px;
  padding:15px 0;
  border-bottom:1px solid #e7edf1;
}

.spec-item:last-child{border-bottom:none;}

.spec-item dt{
  font-weight:700;
  color:#566370;
}

.spec-item dd{
  margin:0;
  color:var(--muted);
}

.steps{
  display:grid;
  gap:16px;
}

.step{
  display:grid;
  grid-template-columns:58px 1fr;
  gap:16px;
  align-items:start;
  padding:16px;
  border-radius:18px;
  background:#f8fafb;
  border:1px solid #e4ebef;
}

.step .index{
  width:58px;
  height:58px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-weight:700;
  color:#fff;
  background:linear-gradient(135deg,#8bbf8d,#4ca65b);
}

.step h4{
  margin:2px 0 6px;
  font-size:18px;
  color:var(--text);
}

.step p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.cta{
  margin-top:28px;
  padding:30px 34px;
  border-radius:28px;
  background:linear-gradient(135deg,#edf8ee,#e3f4e6);
  border:1px solid rgba(129,199,132,0.22);
  box-shadow:0 18px 36px rgba(67,160,71,0.08);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
}

.cta h3{
  margin:0 0 8px;
  font-size:28px;
  line-height:1.2;
  color:var(--text);
}

.cta p{
  margin:0;
  color:#5d6f64;
}

.main-module .section-head{margin-bottom:30px;}

.module-frame{
  display:grid;
  grid-template-columns:1.02fr 0.98fr;
  gap:28px;
  align-items:center;
  background:rgba(255,255,255,0.82);
  border:1px solid rgba(213,223,230,0.84);
  border-radius:30px;
  padding:34px;
  box-shadow:var(--shadow);
  overflow:hidden;
  position:relative;
}

.module-copy .kicker{
  display:inline-block;
  margin-bottom:14px;
  color:var(--main);
  font-weight:700;
  letter-spacing:0.12em;
  font-size:12px;
  text-transform:uppercase;
}

.module-copy h2{
  margin:0 0 16px;
  font-size:clamp(30px,4vw,48px);
  line-height:1.18;
  letter-spacing:-0.03em;
  color:var(--text);
}

.module-copy p{
  margin:0 0 22px;
  color:var(--muted);
}

.mini-points{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin-bottom:24px;
}

.mini-point{
  padding:16px 18px;
  border-radius:18px;
  background:#f8fafb;
  border:1px solid #e5edf0;
}

.mini-point strong{
  display:block;
  margin-bottom:4px;
  font-size:15px;
  color:var(--text);
}

.mini-point span{
  display:block;
  color:var(--muted);
  font-size:13px;
}

.module-visual{
  position:relative;
  min-height:480px;
  border-radius:28px;
  background:linear-gradient(160deg,#f9fbfa,#f1f6f2);
  border:1px solid #e0e9e2;
  overflow:hidden;
}

.module-orb{
  position:absolute;
  border-radius:50%;
  filter:blur(2px);
}

.module-orb-green{
  width:260px;
  height:260px;
  left:50%;
  top:120px;
  transform:translateX(-50%);
  background:radial-gradient(circle, rgba(136,208,141,0.35), rgba(136,208,141,0));
}

.module-image{
  position:absolute;
  inset:34px 22px 90px;
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:1;
}

.module-image img{
  max-width:95%;
  max-height:100%;
  object-fit:contain;
  filter:drop-shadow(0 22px 34px rgba(54,86,67,0.14));
}

.module-label{
  position:absolute;
  left:24px;
  bottom:24px;
  z-index:2;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,0.94);
  border:1px solid #e3ece5;
  box-shadow:0 10px 24px rgba(57,92,69,0.08);
}

.module-label strong{
  display:block;
  margin-bottom:3px;
  font-size:13px;
}

.module-label span{
  font-size:12px;
  color:var(--muted);
}

@media(min-width:560px){
  .company-name{font-size:24px;}
}

@media(max-width:980px){
  .hero-grid,
  .detail-split,
  .module-frame,
  .line-card,
  .line-card.reverse{
    grid-template-columns:1fr;
  }

  .line-card > .line-copy,
  .line-card.reverse > .line-copy{
    order:1;
  }

  .line-card > .line-media,
  .line-card.reverse > .line-media{
    order:2;
  }

  .feature-grid,
  .mini-points{
    grid-template-columns:1fr 1fr;
  }

  .product-stage{min-height:560px;}
  .cta{flex-direction:column;align-items:flex-start;}
  .line-media{min-height:280px;}
}

@media(max-width:768px){
  .header-inner{padding:10px 15px;}

  .logo img{
    margin-left:20px;
    width:100px;
    height:auto;
  }

  .company-name{font-size:14px;}

  .nav_list{
    position:absolute;
    top:60px;
    right:0;
    background:#fff;
    width:200px;
    flex-direction:column;
    padding:20px;
    display:none;
    box-shadow:0 5px 20px rgba(0,0,0,0.1);
    gap:14px;
  }

  .nav_list.active{display:flex;}
  .hamburger{display:flex;}

  .nav_item{
    width:100%;
  }

  .nav_item::before{
    display:none;
  }

  .nav_trigger{
    width:100%;
    justify-content:space-between;
  }

  .nav_sublist{
    position:static;
    transform:none;
    min-width:0;
    margin-top:10px;
    padding:8px 0 0;
    border:none;
    border-top:1px solid rgba(46,125,50,0.12);
    border-radius:0;
    box-shadow:none;
    opacity:1;
    visibility:visible;
    pointer-events:auto;
    display:none;
  }

  .nav_item.has-submenu::after{
    display:none;
  }

  .nav_item.has-submenu:hover .nav_sublist,
  .nav_item.has-submenu:focus-within .nav_sublist{
    transform:none;
  }

  .nav_item.has-submenu.open .nav_sublist{
    display:block;
  }

  body p{font-size:14px;}

  .main-img{height:400px;}

  .main-img h1{
    font-size:24px;
    padding:0 10px;
  }

  .section{
    margin:40px auto;
  }

  .section-title{font-size:20px;}
  .product-image{width:80%;}
}

@media(max-width:640px){
  .page-shell{width:min(var(--container), calc(100% - 28px));}

  .header-inner{
    padding:10px 14px;
    gap:12px;
  }

  .nav_list{
    top:55px;
    right:14px;
  }

  .mask-hero{padding:22px 0 64px;}
  .hero-copy h1{font-size:36px;}
  .hero-visual{display:none;}
  .mask-section{padding:60px 0;}

  .feature-grid,
  .mini-points{grid-template-columns:1fr;}

  .product-stage{min-height:480px;}
  .card-main{inset:28px 18px 110px;}

  .float-left,
  .float-right,
  .float-bottom{
    position:static;
    margin:14px 18px 0;
  }

  .float-card{border-radius:14px;}
  .line-card{padding:22px;}

  .line-media{
    min-height:240px;
    padding:16px;
  }

  .line-media img{
    max-width:240px;
    max-height:240px;
  }

  .spec-panel,
  .steps-panel,
  .module-frame{padding:22px;}

  .cta{padding:24px;}
  .cta h3{font-size:24px;}
  .module-visual{min-height:380px;}
  .module-image{inset:26px 18px 90px;}
  .spec-item{grid-template-columns:1fr;gap:4px;}
}