:root{
  --navy:#062750;
  --navy-deep:#031e42;
  --navy-soft:#0b376d;
  --gold:#bf862c;
  --gold-soft:#d9b76f;
  --ink:#0c244a;
  --paper:#fff;
  --line:#d8ab5b;
  --muted:#5c6880;
  --page:1440px;
  --radius:14px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:"Yu Mincho","Hiragino Mincho ProN","Hiragino Mincho Pro","Noto Serif JP",serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* Header */
.site-header{
  border-bottom:2px solid var(--gold);
  background:#fff;
}
.site-header__inner{
  width:min(var(--page), calc(100% - 40px));
  min-height:156px;
  margin:auto;
  display:grid;
  grid-template-columns:38% 62%;
  align-items:center;
  gap:26px;
}
.brand{
  min-width:0;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand__symbol{
  width:104px;
  height:auto;
  flex:0 0 auto;
}
.brand__text-wrap{
  min-width:0;
  display:flex;
  flex-direction:column;
}
.brand__name{
  color:var(--navy-deep);
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(3.5rem,5vw,5.6rem);
  line-height:.85;
  letter-spacing:.05em;
}
.brand__tagline{
  margin-top:15px;
  font-size:clamp(.72rem,.95vw,.95rem);
  letter-spacing:.03em;
  white-space:nowrap;
}

.title-ribbon{
  position:relative;
  overflow:hidden;
  min-height:96px;
  display:flex;
  justify-content:center;
  align-items:center;
  gap:14px;
  color:#fff;
  background:
    linear-gradient(118deg, transparent 0 4.1%, var(--gold) 4.15% 5.4%, transparent 5.45%),
    linear-gradient(90deg,#0a376c,#041f45 72%);
  font-weight:700;
  font-size:clamp(2rem,2.7vw,3rem);
  letter-spacing:.045em;
}
.title-ribbon::after{
  content:"";
  position:absolute;
  width:170px;
  height:170px;
  right:-60px;
  bottom:-95px;
  opacity:.4;
  background:
    repeating-conic-gradient(from 0deg, transparent 0 8deg, rgba(216,174,94,.85) 8deg 9deg);
  border:1px solid rgba(216,174,94,.8);
  border-radius:50%;
}
.title-ribbon small{
  font-size:.72em;
  font-weight:700;
}

/* Main layout */
.page{
  width:min(var(--page), calc(100% - 40px));
  margin:18px auto 32px;
}
.summary-grid{
  display:grid;
  grid-template-columns:40% 60%;
  gap:14px;
}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--paper);
}
.company,
.business{
  min-height:570px;
}
.company{padding:16px 12px 0;overflow:hidden}
.business{padding:12px 12px 6px}

.section-heading{
  margin:0 0 12px 14px;
}
.section-heading h1{
  margin:0;
  color:var(--navy-deep);
  font-size:clamp(1.8rem,2.1vw,2.35rem);
  line-height:1.2;
  letter-spacing:.05em;
}

/* Company table */
.company-table{
  margin:0;
  border:1px solid #9eacc0;
}
.company-table__row{
  display:grid;
  grid-template-columns:36% 64%;
}
.company-table__row + .company-table__row{
  border-top:1px solid #9eacc0;
}
.company-table dt,
.company-table dd{
  margin:0;
  min-height:59px;
  display:flex;
  align-items:center;
  padding:13px 15px;
}
.company-table dt{
  color:#fff;
  background:linear-gradient(90deg,#082d5e,#061e44);
  font-size:clamp(.95rem,1.2vw,1.2rem);
  font-weight:700;
  letter-spacing:.05em;
}
.company-table dd{
  color:var(--ink);
  font-size:clamp(.94rem,1.05vw,1.08rem);
  letter-spacing:.04em;
}
.company-art{
  position:relative;
  height:215px;
  margin-top:8px;
  overflow:hidden;
}
.mountain{
  position:absolute;
  width:160px;height:95px;
  left:15%;bottom:30px;
  border-left:5px solid rgba(12,36,74,.08);
  border-top:5px solid rgba(12,36,74,.08);
  transform:rotate(45deg) skew(-8deg,-8deg);
}
.torii{
  position:absolute;
  left:51%;
  bottom:36px;
  width:105px;height:85px;
  opacity:.10;
}
.torii span{
  position:absolute;
  background:#0c244a;
}
.torii span:nth-child(1){left:0;top:0;width:105px;height:9px}
.torii span:nth-child(2){left:9px;top:15px;width:86px;height:7px}
.torii span:nth-child(3){left:22px;top:9px;width:8px;height:76px}
.torii span:nth-child(4){right:22px;top:9px;width:8px;height:76px}
.waves{
  position:absolute;
  left:-20px;right:-20px;bottom:-52px;height:120px;
  opacity:.08;
  background:
    radial-gradient(circle at 10px 10px, transparent 8px, #0c244a 8.5px 9.5px, transparent 10px) 0 0/24px 16px;
}

/* Business */
.pill{
  display:inline-flex;
  min-width:156px;
  justify-content:center;
  align-items:center;
  padding:3px 28px;
  border-radius:999px;
  color:#fff;
  background:linear-gradient(#0a366a,#04234d);
  font-size:clamp(1rem,1.2vw,1.22rem);
  font-weight:700;
  letter-spacing:.08em;
}
.business-intro{
  margin:8px 14px 10px;
  font-size:clamp(.82rem,1vw,.98rem);
  line-height:1.55;
  letter-spacing:.035em;
}
.business-list{
  margin-top:3px;
}
.business-item{
  display:grid;
  grid-template-columns:34% 66%;
  align-items:center;
  gap:18px;
  min-height:145px;
  border-top:1px solid rgba(191,134,44,.45);
}
.business-item:first-child{border-top:0}
.business-item__image{
  width:100%;
  height:137px;
  object-fit:cover;
  border-radius:3px;
}
.business-item__body{
  min-width:0;
  display:grid;
  grid-template-columns:auto 1fr;
  gap:14px;
  align-items:start;
}
.business-item__number{
  color:var(--gold);
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(2.7rem,3.2vw,3.7rem);
  line-height:1;
}
.business-item h2{
  margin:2px 0 0;
  font-size:clamp(1.08rem,1.35vw,1.4rem);
  line-height:1.35;
  letter-spacing:.03em;
}
.business-item__en{
  margin:4px 0 7px;
  color:var(--gold);
  font-size:clamp(.78rem,.9vw,.9rem);
  letter-spacing:.08em;
}
.business-item__copy{
  margin:0;
  font-size:clamp(.8rem,.95vw,.98rem);
  line-height:1.5;
}

/* Platform */
.platform{
  margin-top:14px;
  padding:20px 20px 18px;
  display:grid;
  grid-template-columns:40% 60%;
  gap:24px;
  align-items:center;
}
.platform-message{
  display:grid;
  grid-template-columns:110px 1fr;
  gap:22px;
  align-items:center;
}
.mini-brand img{
  width:105px;
}
.platform-message p{
  margin:0;
  font-size:clamp(.77rem,.95vw,.93rem);
  line-height:1.65;
  letter-spacing:.035em;
}
.platform-message__lead{
  margin-top:14px!important;
  font-size:clamp(.95rem,1.1vw,1.1rem)!important;
  font-weight:600;
}
.platform-message__lead strong{color:var(--gold)}

.platform-title{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  margin-bottom:13px;
}
.platform-title span{
  height:1px;
  background:var(--gold);
}
.platform-title h2{
  margin:0;
  font-size:clamp(.95rem,1.15vw,1.15rem);
  letter-spacing:.07em;
}
.flow{
  display:grid;
  grid-template-columns:
    minmax(78px,1fr) auto
    minmax(78px,1fr) auto
    minmax(78px,1fr) auto
    minmax(90px,1fr) auto
    minmax(96px,1.15fr) auto
    minmax(108px,1.2fr);
  gap:8px;
  align-items:center;
}
.flow-item{
  min-width:0;
  text-align:center;
}
.flow-item img{
  width:72px;
  height:72px;
  margin:0 auto 7px;
  object-fit:contain;
  border-radius:50%;
}
.flow-item--result img{
  width:91px;
  height:91px;
}
.flow-item p{
  margin:0;
  font-size:clamp(.62rem,.73vw,.76rem);
  line-height:1.45;
  white-space:nowrap;
}
.flow-item small{font-size:.88em}
.flow-op{
  color:#6d7b94;
  font-size:1.35rem;
  font-weight:400;
}
.flow-arrow{
  color:var(--gold);
  font-size:2rem;
  font-weight:400;
}

/* Tablet */
@media (max-width:1100px){
  .site-header__inner{
    min-height:auto;
    padding:22px 0 18px;
    grid-template-columns:1fr;
  }
  .brand{justify-content:center}
  .title-ribbon{
    min-height:78px;
    width:100%;
  }
  .summary-grid{
    grid-template-columns:1fr;
  }
  .company,.business{min-height:auto}
  .company-art{height:150px}
  .platform{
    grid-template-columns:1fr;
  }
  .platform-message{
    max-width:760px;
    margin:0 auto;
  }
  .flow{
    grid-template-columns:repeat(7,auto);
    justify-content:center;
  }
  .flow .flow-item:nth-of-type(n+5){
    margin-top:12px;
  }
}

/* Mobile */
@media (max-width:760px){
  .site-header__inner,
  .page{
    width:min(100% - 24px,var(--page));
  }
  .brand__symbol{width:76px}
  .brand__name{font-size:3rem}
  .brand__tagline{
    margin-top:9px;
    font-size:.64rem;
    white-space:normal;
  }
  .title-ribbon{
    padding:15px 24px;
    font-size:1.6rem;
    text-align:center;
  }
  .page{margin-top:12px}
  .company{padding:14px 10px 0}
  .section-heading{margin-left:5px}
  .section-heading h1{font-size:1.65rem}
  .company-table__row{grid-template-columns:1fr}
  .company-table dt,
  .company-table dd{min-height:auto}
  .company-table dt{padding:8px 12px}
  .company-table dd{padding:10px 12px}
  .company-art{display:none}
  .business{padding:10px}
  .business-intro br{display:none}
  .business-item{
    grid-template-columns:1fr;
    gap:10px;
    padding:14px 0;
  }
  .business-item__image{
    height:auto;
    aspect-ratio:16/7.5;
  }
  .business-item__body{
    grid-template-columns:46px 1fr;
  }
  .business-item__number{font-size:2.6rem}
  .platform{
    padding:16px;
  }
  .platform-message{
    grid-template-columns:72px 1fr;
    gap:14px;
  }
  .mini-brand img{width:68px}
  .platform-message br{display:none}
  .flow{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:18px 12px;
  }
  .flow-op,.flow-arrow{display:none}
  .flow-item p{white-space:normal;font-size:.75rem}
  .flow-item img{width:74px;height:74px}
  .flow-item--result img{width:88px;height:88px}
}

/* Small phones */
@media (max-width:430px){
  .brand{gap:10px}
  .brand__symbol{width:64px}
  .brand__name{font-size:2.45rem}
  .brand__tagline{font-size:.58rem}
  .title-ribbon{font-size:1.3rem;gap:4px}
  .title-ribbon small{font-size:.67em}
  .platform-message{grid-template-columns:1fr}
  .mini-brand{display:none}
  .flow{grid-template-columns:1fr}
}

.home-link{
  position:fixed;left:18px;bottom:18px;z-index:80;
  display:inline-flex;align-items:center;justify-content:center;
  min-width:78px;min-height:38px;padding:6px 14px;
  border:1px solid rgba(191,134,44,.55);border-radius:999px;
  color:#062750;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",sans-serif;
  font-size:.72rem;letter-spacing:.08em;box-shadow:0 8px 26px rgba(3,30,66,.10);
}
@media(max-width:760px){.home-link{left:10px;bottom:10px;min-width:68px}}