:root{
  --bg:#F6F7F2;
  --surface:#FFFFFF;
  --ink:#152524;
  --ink-soft:#51635F;
  --primary:#123B3E;
  --primary-2:#1F5C57;
  --accent:#BD8A46;
  --accent-soft:#E7D6B6;
  --sage:#8FAE9C;
  --line:#E2E4DA;
  --font-d:'Noto Serif JP', serif;
  --font-b:'Noto Sans JP', sans-serif;
  --maxw:1160px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-b);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-d); color:var(--primary); margin:0; letter-spacing:.02em;}
a{color:inherit; text-decoration:none;}
img,svg{display:block; max-width:100%;}
.section-inner{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
.section-eyebrow{
  font-family:var(--font-b); font-size:.72rem; letter-spacing:.28em;
  color:var(--accent); font-weight:700; margin:0 0 10px; text-transform:uppercase;
}
.reveal{opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease;}
.reveal.in{opacity:1; transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1; transform:none; transition:none;}
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(246,247,242,.92); backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  max-width:var(--maxw); margin:0 auto; padding:14px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.brand{display:flex; align-items:center; gap:12px; min-width:0;}
.brand-mark{width:34px; height:34px; flex:none; color:var(--primary);}
.brand-text{display:flex; flex-direction:column; line-height:1.35; min-width:0;}
.brand-text small{font-size:.68rem; color:var(--ink-soft); letter-spacing:.02em;}
.brand-text strong{font-family:var(--font-d); font-weight:700; font-size:1.02rem; color:var(--primary); white-space:nowrap;}
.site-nav{display:flex; gap:22px; overflow-x:auto; scrollbar-width:none;}
.site-nav::-webkit-scrollbar{display:none;}
.site-nav a{font-size:.86rem; color:var(--ink-soft); white-space:nowrap; padding:6px 0; border-bottom:2px solid transparent; transition:color .2s, border-color .2s;}
.site-nav a:hover{color:var(--primary); border-color:var(--accent);}

.subnav-wrap{background:var(--primary); border-bottom:1px solid rgba(255,255,255,.1);}
.subnav{
  max-width:var(--maxw); margin:0 auto; padding:0 28px;
  display:flex; gap:26px; overflow-x:auto; scrollbar-width:none;
}
.subnav::-webkit-scrollbar{display:none;}
.subnav a{
  flex:none; display:flex; align-items:center; gap:6px;
  font-size:.78rem; letter-spacing:.02em; color:#CFE0DB; white-space:nowrap;
  padding:10px 0; border-bottom:2px solid transparent; transition:color .2s, border-color .2s;
}
.subnav a svg{width:15px; height:15px; flex:none; opacity:.85;}
.subnav a:hover{color:#fff; border-color:var(--accent);}
.subnav a.current{color:#fff; border-color:var(--accent);}

/* ---------- Hero (home) ---------- */
.hero{position:relative; overflow:hidden; background:linear-gradient(160deg, var(--primary) 0%, #0D2B2D 100%);}
.hero-motif{position:absolute; right:-6%; top:50%; transform:translateY(-50%); width:56%; max-width:640px; opacity:.10; pointer-events:none;}
.hero-inner{
  position:relative; max-width:var(--maxw); margin:0 auto; padding:88px 28px 76px;
  display:grid; grid-template-columns:1.15fr .85fr; gap:52px; align-items:center;
}
.eyebrow{color:var(--accent-soft); font-size:.78rem; letter-spacing:.24em; font-weight:700; margin:0 0 16px; text-transform:uppercase;}
.hero h1{color:#fff; font-size:clamp(2.1rem, 4.2vw, 3.1rem); font-weight:700; line-height:1.3;}
.tagline{color:#DDE6E3; font-size:1rem; margin:22px 0 30px; max-width:44ch;}
.hero-cta{display:flex; gap:14px; flex-wrap:wrap;}
.btn{display:inline-flex; align-items:center; gap:8px; padding:13px 26px; border-radius:2px; font-size:.9rem; font-weight:700; letter-spacing:.03em; transition:transform .2s, background .2s, color .2s;}
.btn-accent{background:var(--accent); color:#1A1408;}
.btn-accent:hover{transform:translateY(-2px); background:#CE9C57;}
.btn-ghost{border:1px solid rgba(255,255,255,.4); color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1); transform:translateY(-2px);}

/* ---------- Page hero (subpages) ---------- */
.page-hero{position:relative; overflow:hidden; background:linear-gradient(160deg, var(--primary) 0%, #0D2B2D 100%); padding:44px 0 58px;}
.page-hero .hero-motif{opacity:.08;}
.breadcrumb{display:flex; align-items:center; gap:8px; font-size:.78rem; color:#8FA9A3; margin-bottom:20px; flex-wrap:wrap;}
.breadcrumb a{color:#DCE6E3;}
.breadcrumb a:hover{color:var(--accent-soft);}
.page-hero h1{color:#fff; font-size:clamp(1.7rem, 3.4vw, 2.35rem); font-weight:700;}
.page-hero .tagline{margin:16px 0 0; max-width:56ch;}

/* ---------- Placeholder photos ---------- */
.placeholder-photo{
  margin:0; position:relative; border-radius:3px; overflow:hidden;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 14px),
    linear-gradient(150deg, var(--primary-2), var(--sage));
  aspect-ratio:4/3; display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,.15);
}
.placeholder-photo .placeholder-inner{text-align:center; color:#fff; padding:20px;}
.placeholder-photo svg{margin:0 auto 10px; width:34px; height:34px; opacity:.9;}
.placeholder-photo .cap{font-family:var(--font-d); font-size:1rem; font-weight:600;}
.placeholder-photo small{display:block; margin-top:6px; font-size:.72rem; opacity:.85; font-family:var(--font-b);}
.hero-photo.placeholder-photo{aspect-ratio:1/1; box-shadow:0 20px 44px rgba(0,0,0,.28);}
.placeholder-photo.member-photo{aspect-ratio:1/1;}
.placeholder-photo.map-photo{aspect-ratio:16/9;}
.placeholder-photo.wide-photo{aspect-ratio:21/9;}

/* ---------- Divider ---------- */
.divider{display:flex; align-items:center; justify-content:center; gap:14px; padding:6px 0; }
.divider::before,.divider::after{content:"";height:1px; width:64px; background:var(--line);}
.divider svg{width:20px; height:20px; color:var(--accent);}

/* ---------- Welcome (home) ---------- */
.welcome{padding:74px 0 66px; background:var(--surface);}
.welcome h2{font-size:1.9rem; margin-bottom:22px;}
.welcome p{color:var(--ink-soft); font-size:1rem; max-width:70ch; margin:0 0 16px;}
.welcome .signoff{margin-top:24px; font-weight:700; color:var(--primary); font-family:var(--font-d);}

/* ---------- News (home) ---------- */
.news{padding:70px 0; background:var(--bg);}
.news h2{font-size:1.9rem; margin-bottom:30px;}
.news-list{list-style:none; margin:0; padding:0; border-top:1px solid var(--line);}
.news-list li{
  display:grid; grid-template-columns:120px 90px 1fr; gap:18px; align-items:baseline;
  padding:20px 4px; border-bottom:1px solid var(--line);
}
.news-list time{font-family:var(--font-d); color:var(--primary); font-weight:600; font-size:.95rem;}
.news-list .tag{
  justify-self:start; font-size:.7rem; font-weight:700; letter-spacing:.05em;
  color:var(--primary-2); background:#E4EEEA; padding:4px 10px; border-radius:100px;
}
.news-list p{margin:0; color:var(--ink); font-size:.96rem;}
.news-note{margin-top:22px; font-size:.82rem; color:var(--ink-soft);}

/* ---------- Gallery (home) ---------- */
.gallery{padding:74px 0; background:var(--surface);}
.gallery h2{font-size:1.9rem; margin-bottom:10px;}
.gallery .lead{color:var(--ink-soft); margin:0 0 32px; max-width:60ch;}
.gallery-grid{display:grid; grid-template-columns:1fr 1fr; gap:26px;}
.gallery-grid figure{margin:0;}
.gallery-grid figcaption{margin-top:12px; font-size:.85rem; color:var(--ink-soft); text-align:center;}

/* ---------- Menu / Banners ---------- */
.menu{padding:76px 0 88px; background:var(--bg);}
.menu h2{font-size:1.9rem; margin-bottom:10px;}
.menu .lead{color:var(--ink-soft); margin:0 0 34px; max-width:60ch;}
.banner-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px;}
.banner-card{
  background:var(--surface); border:1px solid var(--line); border-radius:4px;
  padding:26px 24px; display:flex; flex-direction:column; gap:14px;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position:relative;
}
.banner-card:hover{transform:translateY(-4px); box-shadow:0 16px 28px rgba(18,59,62,.10); border-color:var(--primary-2);}
.banner-card .icon{width:36px; height:36px; color:var(--primary-2);}
.banner-card h3{font-size:1.08rem; color:var(--primary);}
.banner-card p{margin:0; font-size:.86rem; color:var(--ink-soft); flex:1;}
.banner-card .go{font-size:.78rem; font-weight:700; color:var(--accent); letter-spacing:.03em;}

/* ---------- Generic content sections (subpages) ---------- */
.content{padding:64px 0;}
.content.surface{background:var(--surface);}
.content h2{font-size:1.55rem; margin-bottom:16px;}
.content .lead{color:var(--ink-soft); max-width:66ch; margin:0 0 30px; font-size:.98rem;}
.content p{color:var(--ink-soft); max-width:70ch; margin:0 0 16px; font-size:.96rem;}

.two-col{display:grid; grid-template-columns:1.2fr .8fr; gap:44px; align-items:start;}
@media (max-width:860px){.two-col{grid-template-columns:1fr;}}

/* value / theme cards */
.value-grid,.theme-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:22px; margin-top:8px;}
.value-card,.theme-card{background:var(--surface); border:1px solid var(--line); border-radius:4px; padding:26px 22px;}
.value-card .icon,.theme-card .icon{width:32px; height:32px; color:var(--primary-2); margin-bottom:14px;}
.value-card h3,.theme-card h3{font-size:1.02rem; margin-bottom:10px;}
.value-card p,.theme-card p{margin:0; font-size:.87rem; color:var(--ink-soft); max-width:none;}

/* group headings (used for member categories, etc.) */
.group-title{font-family:var(--font-d); font-size:1.2rem; color:var(--primary); margin:52px 0 22px; padding-bottom:10px; border-bottom:1px solid var(--line);}
.group-title:first-of-type{margin-top:0;}

/* member cards */
.member-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:26px;}
.member-card{background:var(--surface); border:1px solid var(--line); border-radius:4px; overflow:hidden;}
.member-card .member-body{padding:18px 20px;}
.role-badge{display:inline-block; font-size:.68rem; font-weight:700; letter-spacing:.06em; color:var(--primary-2); background:#E4EEEA; padding:3px 10px; border-radius:100px; margin-bottom:10px;}
.member-card h3{font-size:1.05rem; margin-bottom:2px;}
.member-card .member-role{font-size:.8rem; color:var(--ink-soft); margin-bottom:10px;}
.member-card .member-note{font-size:.82rem; color:var(--ink-soft); margin:0; max-width:none;}

/* achievements / publications */
.pub-year-group{margin-bottom:40px;}
.pub-year{font-family:var(--font-d); font-size:1.25rem; color:var(--primary); border-bottom:1px solid var(--line); padding-bottom:8px; margin-bottom:16px;}
.pub-list{list-style:none; margin:0; padding:0;}
.pub-item{padding:14px 2px; border-bottom:1px dashed var(--line); font-size:.92rem; color:var(--ink);}
.pub-item .pub-tag{display:inline-block; font-size:.64rem; font-weight:700; color:#fff; background:var(--primary-2); padding:2px 9px; border-radius:2px; margin-right:10px; letter-spacing:.03em; vertical-align:middle;}
.pub-item .pub-authors{color:var(--ink-soft); font-size:.84rem; display:block; margin-top:4px;}

/* steps */
.step-list{display:grid; gap:16px;}
.step{display:grid; grid-template-columns:56px 1fr; gap:20px; align-items:start; background:var(--surface); border:1px solid var(--line); border-radius:4px; padding:20px 22px;}
.step .step-num{width:56px; height:56px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-family:var(--font-d); font-size:1.15rem; font-weight:700;}
.step h3{font-size:1rem; margin-bottom:6px;}
.step p{margin:0; font-size:.87rem; color:var(--ink-soft); max-width:none;}
@media (max-width:520px){.step{grid-template-columns:1fr;} .step .step-num{width:40px; height:40px; font-size:.95rem;}}

/* FAQ */
.faq-list{display:flex; flex-direction:column; gap:14px;}
.faq-item{background:var(--surface); border:1px solid var(--line); border-radius:4px; padding:20px 22px;}
.faq-q{display:flex; gap:10px; font-weight:700; color:var(--primary); margin-bottom:8px; font-size:.95rem;}
.faq-q .qmark{color:var(--accent); font-family:var(--font-d); flex:none;}
.faq-a{margin:0; font-size:.88rem; color:var(--ink-soft); padding-left:24px; max-width:none;}

/* info table */
.info-table{width:100%; border-collapse:collapse; background:var(--surface); border:1px solid var(--line); border-radius:4px; overflow:hidden;}
.info-table th,.info-table td{padding:14px 20px; text-align:left; font-size:.9rem; border-bottom:1px solid var(--line); vertical-align:top;}
.info-table th{width:170px; color:var(--primary); font-family:var(--font-d); font-weight:600; background:#F0F2EC;}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none;}
@media (max-width:600px){.info-table,.info-table thead,.info-table tbody,.info-table th,.info-table td,.info-table tr{display:block; width:100%;} .info-table th{border-bottom:none; padding-bottom:4px;} .info-table td{padding-top:4px;}}

/* icon list */
.icon-list{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px;}
.icon-list li{display:flex; gap:10px; font-size:.92rem; color:var(--ink);}
.icon-list svg{width:18px; height:18px; color:var(--primary-2); flex:none; margin-top:3px;}

/* CTA banner */
.cta-banner{background:linear-gradient(160deg, var(--primary) 0%, #0D2B2D 100%); border-radius:4px; padding:38px 34px; color:#fff; display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:20px;}
.cta-banner h3{color:#fff; font-size:1.25rem;}
.cta-banner p{margin:6px 0 0; color:#CFE0DB; font-size:.9rem; max-width:50ch;}
.cta-banner .btn-accent{flex:none;}

/* alumni timeline */
.event-list{list-style:none; margin:0; padding:0;}
.event-list li{display:grid; grid-template-columns:130px 1fr; gap:18px; padding:18px 2px; border-bottom:1px solid var(--line);}
.event-list time{font-family:var(--font-d); color:var(--primary); font-weight:600; font-size:.9rem;}
.event-list p{margin:0; font-size:.92rem; color:var(--ink);}
@media (max-width:520px){.event-list li{grid-template-columns:1fr;}}

.pub-subhead{font-family:var(--font-b); font-size:.84rem; font-weight:700; color:var(--primary-2); margin:20px 0 8px; letter-spacing:.04em;}
.pub-subhead:first-of-type{margin-top:0;}

/* roster table (non-photo member listings) */
.table-scroll{overflow-x:auto; border-radius:4px;}
.roster-table{width:100%; border-collapse:collapse; background:var(--surface); border:1px solid var(--line); min-width:520px;}
.roster-table th{background:var(--primary); color:#fff; font-family:var(--font-d); font-weight:600; text-align:left; padding:12px 18px; font-size:.82rem; white-space:nowrap;}
.roster-table td{padding:12px 18px; border-bottom:1px solid var(--line); font-size:.88rem; color:var(--ink); vertical-align:top;}
.roster-table tr:last-child td{border-bottom:none;}
.roster-table td.note{color:var(--ink-soft); font-size:.82rem;}
.roster-table tr:nth-child(even){background:#FAFBF8;}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary); color:#DCE6E3; padding:52px 0 30px;}
.footer-inner{max-width:var(--maxw); margin:0 auto; padding:0 28px;}
.footer-brand{font-family:var(--font-d); font-size:1.1rem; color:#fff; font-weight:700; margin-bottom:8px;}
.footer-address{font-size:.85rem; color:#AFC4BF; margin-bottom:26px;}
.footer-links{display:flex; flex-wrap:wrap; gap:10px 26px; padding:20px 0; border-top:1px solid rgba(255,255,255,.14); border-bottom:1px solid rgba(255,255,255,.14);}
.footer-links a{font-size:.86rem; color:#DCE6E3; position:relative; padding-bottom:2px;}
.footer-links a:hover{color:var(--accent-soft);}
.footer-links a::after{content:"↗"; font-size:.72rem; margin-left:5px; opacity:.7;}
.copyright{margin-top:22px; font-size:.76rem; color:#8FA9A3;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr; padding-top:56px;}
  .hero-photo{order:-1; max-width:280px; margin:0 auto;}
  .gallery-grid{grid-template-columns:1fr;}
  .news-list li{grid-template-columns:1fr; gap:6px;}
  .news-list time{order:1;} .news-list .tag{order:2; justify-self:start;} .news-list p{order:3;}
}
@media (max-width:520px){
  .brand-text strong{font-size:.9rem;}
  .brand-text small{font-size:.6rem;}
}