:root{
  --navy:#0F2D4A; --teal:#008B8B; --white:#fff; --text:#1F2D3A;
  --muted:#66727E; --line:#DDE5EA; --soft:#FAFCFD; --pale:#F2F7F9;
  --font-display:"Noto Serif JP",serif; --font-body:"Noto Sans JP",sans-serif;
  --content-max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:var(--font-body);font-size:16px;line-height:1.9;background:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(var(--content-max),calc(100% - 96px));margin-inline:auto}
.container.narrow{width:min(980px,calc(100% - 96px))}
.site-header{height:80px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 48px;position:relative;z-index:20}
.brand{display:block;width:310px;max-width:34vw}
.brand img{width:100%;height:auto}
.desktop-nav{margin-left:auto;display:flex;align-items:center;gap:36px;font-size:14px;color:var(--navy)}
.desktop-nav a{position:relative}
.desktop-nav a::after,.text-link::after{content:"";display:block;height:2px;width:0;background:var(--teal);transition:width .2s ease}
.desktop-nav a:hover::after,.desktop-nav a:focus-visible::after,.text-link:hover::after,.text-link:focus-visible::after{width:100%}
.fiction-label{font-size:12px;color:var(--muted);letter-spacing:.08em}
.mobile-actions,.mobile-menu{display:none}
.hero{min-height:700px;background:var(--navy);color:#fff;position:relative;overflow:hidden;display:grid;grid-template-columns:54% 46%}
.hero-copy{display:flex;align-items:center;z-index:2}
.hero-copy-inner{max-width:min(820px,calc(54vw - 72px))}
.eyebrow,.section-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--teal);margin:0 0 34px}
.eyebrow::after,.section-label::after{content:"";display:block;width:48px;height:2px;background:var(--teal);margin-top:14px}
.hero h1 .hero-second-line{white-space:nowrap}
.hero h1{font-family:var(--font-display);font-size:clamp(34px,4vw,70px);line-height:1.55;letter-spacing:.02em;margin:0;font-weight:700}
.hero-visual{position:relative;min-width:0;overflow:hidden}
.hero-visual::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--navy) 0%,rgba(15,45,74,.85) 12%,rgba(15,45,74,.15) 50%,rgba(15,45,74,.12) 100%)}
.hero-visual img{position:absolute;right:0;top:0;width:350%;max-width:none;height:100%;object-fit:cover;object-position:right 65%;filter:saturate(.9)}
.scroll-cue{position:absolute;left:max(48px,calc((100vw - var(--content-max))/2));bottom:36px;font-size:10px;letter-spacing:.14em;color:#d7e1e7;z-index:4;display:flex;align-items:center;gap:14px}
.scroll-cue span{width:58px;height:2px;background:var(--teal)}
.section{padding:112px 0}
.section--soft{background:var(--soft)}
.glance h2,.section h2,.page-hero h1{font-family:var(--font-display);color:var(--navy);font-weight:700;letter-spacing:.01em}
.section h2{font-size:42px;line-height:1.45;margin:0 0 48px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:68px}
.stat{padding:20px 28px;border-left:1px solid var(--line);min-height:150px}
.stat:first-child{border-left:0;padding-left:0}
.stat strong{display:block;font-size:36px;line-height:1.3;color:var(--navy);font-weight:700;white-space:nowrap}
.stat span{display:block;color:var(--muted);font-size:13px;margin-top:22px}
.stat::after{content:"";display:block;width:38px;height:3px;background:var(--teal);margin-top:28px}
.split-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:96px}
.split-section p,.section-head>p,.body-wide,.page-lead,.purpose-copy{max-width:720px}
.text-link{display:inline-block;margin-top:32px;color:var(--navy);font-weight:700;padding-bottom:7px}
.text-link span{color:var(--teal);margin-left:8px}
.purpose{background:var(--pale)}
.purpose h2{font-size:46px;max-width:940px}
.purpose-copy{font-size:19px}
.business-preview .section-head{margin-bottom:60px}
.business-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:48px}
.business-grid article{border-top:1px solid var(--line);padding:30px 0 40px;position:relative}
.business-grid article>span{color:var(--teal);font-weight:700;font-size:13px;letter-spacing:.08em}
.business-grid h3,.business-card h2{font-family:var(--font-display);color:var(--navy);font-size:26px;margin:6px 0 0}
.business-grid.detail{margin-top:28px}
.business-card{min-height:210px}
.business-card p{margin:18px 0 0;max-width:500px}
.news-item{border-top:1px solid var(--line);display:grid;grid-template-columns:220px 1fr;gap:48px;padding-top:38px}
.news-meta{display:flex;gap:24px;align-items:flex-start;font-size:13px}
.news-meta span{color:var(--teal);font-weight:700}
.news-item h3{margin:0 0 16px;color:var(--navy);font-size:20px}
.news-item p{margin:0;max-width:760px}
.page-hero{padding:112px 0 96px}
.page-hero .section-label{margin-bottom:26px}
.page-hero h1{font-size:56px;line-height:1.35;margin:0 0 38px}
.page-lead{font-size:18px}
.company-profile{margin:0;border-top:1px solid var(--line)}
.company-profile>div{display:grid;grid-template-columns:210px 1fr;border-bottom:1px solid var(--line);padding:22px 0}
.company-profile dt{font-weight:700;color:var(--muted);font-size:13px}
.company-profile dd{margin:0}
.purpose--sub{padding:96px 0}
.timeline{list-style:none;padding:0 0 0 180px;margin:0;position:relative}
.timeline::before{content:"";position:absolute;left:122px;top:10px;bottom:10px;width:1px;background:var(--line)}
.timeline li{position:relative;padding:0 0 54px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-63px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--teal)}
.timeline time{position:absolute;left:-180px;width:105px;color:var(--navy);font-weight:700;font-size:13px;text-align:right}
.timeline p{margin:0}
.structure-note{color:var(--muted);margin:44px 0 0;font-size:14px}
.site-footer{background:var(--navy);color:#fff;padding:72px 0 42px}
.footer-brand{display:flex;justify-content:space-between;align-items:flex-start;gap:40px}
.logo-panel{background:#fff;padding:15px 18px;border-radius:3px;width:380px}
.footer-brand nav{display:flex;gap:34px;font-size:14px}
.footer-meta{border-top:1px solid #36556B;margin-top:56px;padding-top:34px;display:grid;grid-template-columns:1fr auto;gap:48px}
.fiction-notice{color:#d7e1e7;font-size:13px;margin:0;max-width:800px}
.world-links{display:flex;gap:28px;font-size:13px}
.world-links a[data-placeholder]{opacity:.55;cursor:not-allowed}
.copyright{font-size:11px;color:#9eb1bd;margin:48px 0 0}
.notfound{padding:140px 0 180px}
.notfound h1{font-family:var(--font-display);color:var(--navy);font-size:48px}

.menu-button{width:30px;height:30px;border:0;background:transparent;padding:5px;display:grid;align-content:center;gap:5px}
.menu-button span{display:block;height:2px;background:var(--navy)}
.mobile-menu[hidden]{display:none}
.mobile-menu{position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:20px 24px;box-shadow:0 8px 20px rgba(15,45,74,.08)}
.mobile-menu a{display:block;padding:14px 0;color:var(--navy);font-weight:700}

@media(max-width:900px){
  .container,.container.narrow{width:min(100% - 40px,720px)}
  .site-header{height:68px;padding:0 16px}
  .brand{width:215px;max-width:56vw}
  .desktop-nav{display:none}
  .mobile-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .mobile-menu{display:block}
  .hero{min-height:610px;display:block;padding-bottom:240px}
  .hero-copy{height:370px;padding-top:0}
  .hero-copy-inner{width:100%;max-width:100%}
  .hero h1{font-size:clamp(24px,7.4vw,38px);line-height:1.55}
  .hero .eyebrow{margin-bottom:26px}
  .hero-visual{position:absolute;left:0;right:0;bottom:0;height:280px}
  .hero-visual::before{background:linear-gradient(180deg,var(--navy),rgba(15,45,74,.35) 48%,rgba(15,45,74,.2))}
  .hero-visual img{object-position:right 65%}
  .scroll-cue{display:none}
  .section{padding:72px 0}
  .section h2{font-size:30px;margin-bottom:30px}
  .stats{grid-template-columns:repeat(2,1fr);gap:0 12px;margin-top:38px}
  .stat{border-left:0;border-top:1px solid var(--line);padding:22px 0;min-height:132px}
  .stat:nth-child(even){padding-left:16px}
  .stat strong{font-size:25px;white-space:normal;overflow-wrap:anywhere}
  .stat span{font-size:11px;margin-top:14px}
  .stat::after{margin-top:19px}
  .split-grid{grid-template-columns:1fr;gap:28px}
  .purpose h2{font-size:29px}
  .purpose-copy{font-size:15px}
  .business-grid{grid-template-columns:1fr}
  .business-grid article{padding:24px 0 30px}
  .business-grid h3,.business-card h2{font-size:23px}
  .news-item{grid-template-columns:1fr;gap:18px}
  .page-hero{padding:72px 0 62px}
  .page-hero h1{font-size:36px}
  .page-lead{font-size:15px}
  .company-profile>div{grid-template-columns:100px 1fr;gap:12px}
  .timeline{padding-left:38px}
  .timeline::before{left:7px}
  .timeline li::before{left:-35px}
  .timeline time{position:static;display:block;width:auto;text-align:left;margin-bottom:10px}
  .footer-brand{display:block}
  .logo-panel{width:min(280px,100%)}
  .footer-brand nav{margin-top:34px}
  .footer-meta{grid-template-columns:1fr;gap:24px}
  .site-footer{padding:52px 0 32px}
  .notfound{padding:100px 0 130px}
  .notfound h1{font-size:34px}
}
@media(max-width:340px){
  .brand{width:185px}
  .fiction-label{font-size:10px}
  .container,.container.narrow{width:calc(100% - 32px)}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}
}
:focus-visible{outline:3px solid #35A8A8;outline-offset:4px}