:root{
  --navy:#13283f;
  --navy-2:#1c3b5d;
  --warm:#d39c37;
  --warm-soft:#f8eed8;
  --ink:#1d2939;
  --muted:#667085;
  --line:#d9e2ec;
  --paper:#f7f9fb;
  --white:#ffffff;
  --shadow:0 18px 44px rgba(19,40,63,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Sans","Yu Gothic","Meiryo",system-ui,sans-serif;color:var(--ink);background:var(--white);line-height:1.8}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1120px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid rgba(19,40,63,.08)}
.header-inner{min-height:76px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800}
.brand small{display:block;font-size:11px;letter-spacing:.12em;color:var(--muted)}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,var(--navy),#2e5680);position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:var(--warm);border-radius:999px}
.brand-mark:before{width:18px;height:4px;left:11px;top:12px;transform:rotate(-18deg)}
.brand-mark:after{width:14px;height:4px;left:14px;top:24px;transform:rotate(16deg)}
nav{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700;color:#344054}
nav a:hover{color:var(--warm)}
.menu-btn{display:none;border:0;background:transparent;font-size:26px}
.hero{padding:86px 0 70px;background:radial-gradient(circle at 78% 18%, rgba(211,156,55,.18), transparent 22%), radial-gradient(circle at 18% 78%, rgba(40,86,126,.10), transparent 28%), linear-gradient(180deg,#fbfcfe 0%, #f5f8fb 100%)}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:42px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--navy);font-size:13px;font-weight:800;letter-spacing:.08em}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--warm)}
.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.16;letter-spacing:-.035em;margin:18px 0 20px;color:var(--navy)}
.lead{font-size:clamp(18px,2.4vw,24px);color:#445164;max-width:700px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:0 22px;border-radius:999px;font-weight:800;border:1px solid transparent}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 10px 28px rgba(19,40,63,.18)}
.btn-primary:hover{background:#1e3a58}
.btn-secondary{background:#fff;border-color:var(--line)}
.notice{margin-top:22px;display:inline-block;padding:9px 12px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual img{border-radius:28px;box-shadow:var(--shadow);width:100%;height:100%;object-fit:cover;min-height:430px}
.hero-badge{position:absolute;left:-14px;bottom:18px;background:#fff;color:var(--navy);padding:14px 16px;border-radius:16px;box-shadow:var(--shadow);font-size:13px;font-weight:800;max-width:250px}
section{padding:84px 0}
.alt{background:var(--paper)}
.section-kicker{color:var(--warm);font-weight:900;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.section-title{font-size:clamp(30px,4vw,46px);line-height:1.28;color:var(--navy);margin:8px 0 18px}
.section-lead{font-size:18px;color:#566274;max-width:850px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 10px 24px rgba(19,40,63,.05)}
.icon{width:44px;height:44px;border-radius:14px;background:var(--warm-soft);display:grid;place-items:center;color:#8a6221;font-weight:900;font-size:18px}
.card h3{margin:12px 0 10px;color:var(--navy);font-size:21px}
.card p{margin:0;color:var(--muted)}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.feature-list{display:grid;gap:14px;margin-top:26px}
.feature{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.feature strong{display:block;color:var(--navy);margin-bottom:2px}
.feature span{color:var(--muted);font-size:15px}
.quote-panel{background:linear-gradient(145deg,var(--navy),#27517a);color:#fff;padding:24px;border-radius:28px;box-shadow:var(--shadow)}
.quote-panel .big{font-size:29px;line-height:1.5;font-weight:800;margin:0 0 14px}
.quote-panel p{color:#dce6ef}
.quote-panel img{margin-top:22px;border-radius:18px;aspect-ratio:4/3;object-fit:cover}
.activities{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.activity{padding:22px 24px;border-radius:18px;background:#fff;border:1px solid var(--line);font-weight:800;color:var(--navy)}
.photo-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}
.photo-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 10px 24px rgba(19,40,63,.05)}
.photo-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.photo-card .caption{padding:14px 16px;color:#49586b;font-size:14px}
.brand-panel{display:grid;grid-template-columns:.98fr 1.02fr;gap:34px;background:#fff;border:1px solid var(--line);border-radius:28px;padding:42px;box-shadow:var(--shadow)}
.brand-badge{min-height:260px;border-radius:22px;background:linear-gradient(150deg,#f2a64f,#e97c2e);display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;padding:30px}
.brand-badge strong{font-size:32px;line-height:1.35}
.side-photo{margin-top:24px;border-radius:20px;overflow:hidden;box-shadow:0 10px 24px rgba(19,40,63,.08)}
.side-photo img{width:100%;aspect-ratio:4/3;object-fit:cover}
.members{background:linear-gradient(rgba(19,40,63,.97),rgba(19,40,63,.97));color:#fff}
.members .section-title{color:#fff}
.members .section-lead{color:#dbe5ef}
.member-box{margin-top:34px;background:#fff;color:var(--ink);border-radius:26px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.member-box h3{margin-top:0;color:var(--navy);font-size:24px}
.contact-direct{padding:30px;border-radius:20px;background:var(--warm-soft);border:1px solid #e6d2aa}
.contact-direct strong{display:block;font-size:22px;color:var(--navy);margin-top:8px}
.split-showcase{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.split-showcase img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:22px;box-shadow:0 10px 24px rgba(19,40,63,.08)}
.page-hero{padding:66px 0 48px;background:var(--paper);border-bottom:1px solid var(--line)}
.page-hero h1{font-size:48px;line-height:1.3;color:var(--navy);margin:6px 0 12px}
.prose{max-width:900px}
.prose h2{color:var(--navy);font-size:30px;margin-top:46px}
.prose h3{color:var(--navy);font-size:22px;margin-top:28px}
.prose p,.prose li{color:#4f5b6b}
.prose-photo{margin:26px 0 8px;border-radius:24px;overflow:hidden;box-shadow:0 14px 34px rgba(19,40,63,.08)}
.prose-photo img{width:100%;max-height:520px;object-fit:cover}
.gallery-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}
.gallery-2 img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:0 10px 24px rgba(19,40,63,.08)}
.footer{background:#0f2032;color:#cbd6df;padding:52px 0 28px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr;gap:34px}
.footer h3{color:#fff}
.footer nav{display:grid;gap:8px;align-content:start}
.footer-bottom{margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:#9eafbd}
.disclaimer{font-size:13px;color:#738091}
@media (max-width:860px){
  nav{display:none}
  nav.open{display:flex;position:absolute;top:76px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .hero-grid,.two-col,.brand-panel,.member-box,.footer-top{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .activities,.photo-strip,.gallery-2,.split-showcase{grid-template-columns:1fr 1fr}
  .hero-visual img{min-height:320px}
  .hero-badge{left:16px;right:16px;bottom:16px;max-width:none}
}
@media (max-width:560px){
  .container{width:min(100% - 28px,1120px)}
  section{padding:64px 0}
  .grid-4,.activities,.photo-strip,.gallery-2,.split-showcase{grid-template-columns:1fr}
  .page-hero h1{font-size:38px}
}


.brand{gap:14px}
.brand-logo{width:58px;height:58px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(19,40,63,.10);padding:4px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:18px}
.header-logo-mini{display:none}
.logo-banner-wrap{margin-bottom:24px}
.logo-banner-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);padding:18px}
.logo-banner-card img{width:100%;border-radius:18px}
.about-logo{max-width:760px;margin:0 auto 26px}
.about-logo img{width:100%;border-radius:22px;box-shadow:0 14px 34px rgba(19,40,63,.08)}
@media (max-width:560px){
  .brand-logo{width:48px;height:48px}
  .brand-text strong{font-size:16px}
}