:root{--bg:#f8f6f1;--surface:#fff;--surface-muted:#f2efe6;--text:#1e1f1c;--text-soft:#4f544d;--brand:#0f6d68;--brand-dark:#094644;--accent:#c85d3d;--border:#dad7ce;--shadow:0 20px 45px -30px #141d1b59;--radius:18px;--radius-sm:12px;--font-body:"Avenir Next","Yu Gothic","Hiragino Sans","Noto Sans CJK JP",sans-serif;--font-heading:"Hiragino Mincho ProN","Yu Mincho","Times New Roman",serif}*{box-sizing:border-box}html,body{color:var(--text);background:radial-gradient(circle at 100% 0,#dfece6 0%,#f8f6f1 44%);min-height:100%;margin:0;padding:0}body{font-family:var(--font-body);line-height:1.72}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}main{min-height:calc(100vh - 220px)}.skip-link{z-index:100;background:var(--brand-dark);color:#fff;border-radius:10px;padding:.55rem .85rem;font-weight:700;transition:top .2s;position:absolute;top:-48px;left:12px}.skip-link:focus{top:10px}h1,h2,h3{font-family:var(--font-heading);letter-spacing:.01em;margin:0;line-height:1.25}p{margin:0}img{max-width:100%;display:block}ul,ol,dl{margin:0;padding:0}.container{width:min(1120px,100vw - 48px);margin:0 auto}.site-header{z-index:30;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#f8f6f1e6;border-bottom:1px solid #d9d5c9a6;position:sticky;top:0}.nav-wrap{justify-content:space-between;align-items:center;gap:20px;padding:14px 0;display:flex}.logo{align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.logo-mark{background:linear-gradient(140deg,var(--brand),#3aa79f);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;font-size:.72rem;font-weight:700;display:inline-flex}.nav-list{align-items:center;gap:18px;font-size:.95rem;list-style:none;display:flex}.nav-list a{color:var(--text-soft);text-decoration:none}.nav-list a:hover{color:var(--text)}.hero{padding:64px 0 56px}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:start;gap:24px;display:grid}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px;font-size:.76rem;font-weight:700}.hero h1{margin-bottom:14px;font-size:clamp(2rem,5vw,3.3rem)}.hero-copy{color:var(--text-soft);max-width:70ch}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.button-link{background:var(--brand);color:#fff;border:1px solid #0000;border-radius:999px;justify-content:center;align-items:center;padding:.72rem 1.2rem;font-weight:700;text-decoration:none;display:inline-flex}.button-link:hover{background:var(--brand-dark);text-decoration:none}.button-link.secondary{color:var(--brand-dark);border-color:var(--brand-dark);background:0 0}.hero-panel{color:#f6f8f3;border-radius:var(--radius);box-shadow:var(--shadow);background:linear-gradient(165deg,#1c7068fa,#0b4441fa);padding:24px}.hero-panel h2{margin-bottom:14px;font-size:1.35rem}.hero-panel ul{gap:8px;padding-left:18px;display:grid}.section{padding:56px 0}.section-muted{background:linear-gradient(#ffffff8c,#ecf3efd9);border-top:1px solid #dde3dc;border-bottom:1px solid #dde3dc}.section-head{justify-content:space-between;align-items:end;gap:12px;margin-bottom:24px;display:flex}.section-head.vertical{gap:10px;margin-bottom:28px;display:grid}.section-head h1,.section-head h2{font-size:clamp(1.7rem,3.5vw,2.5rem)}.article-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.article-card{background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);box-shadow:var(--shadow);overflow:clip}.article-image-link{display:block;overflow:hidden}.article-image{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .35s}.article-card:hover .article-image{transform:scale(1.03)}.article-card-content{gap:10px;padding:16px;display:grid}.article-card h3{font-size:1.25rem}.article-card p{color:var(--text-soft)}.article-meta{color:#646a62;flex-wrap:wrap;gap:12px;font-size:.9rem;display:flex}.timeline-strip{background:linear-gradient(#fffc,#eef4f0f2);border-top:1px solid #dde3dc;border-bottom:1px solid #dde3dc;padding:56px 0}.timeline-strip h2{margin-bottom:20px;font-size:clamp(1.5rem,3vw,2.2rem)}.timeline-strip ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px;list-style:none;display:grid}.timeline-strip li{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px}.timeline-range{color:var(--accent);font-size:.82rem;font-weight:700}.timeline-strip h3{margin:6px 0;font-size:1.1rem}.split{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.finder-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:28px;display:grid}.note-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);gap:12px;padding:22px;display:grid}.note-card h2{font-size:1.45rem}.inline-link{color:var(--brand-dark);font-weight:700}.topic-cloud{flex-wrap:wrap;gap:10px;display:flex}.topic-pill{color:#0b4e4a;background:#fff;border:1px solid #b6c8bc;border-radius:999px;align-items:center;gap:8px;padding:.38rem .85rem;font-size:.9rem;text-decoration:none;display:inline-flex}.topic-pill:hover{background:#ebf4ef;text-decoration:none}.topic-pill small{color:#55716a;font-weight:700}.era-link-list{gap:8px;list-style:none;display:grid}.era-link-list a{color:var(--brand-dark)}.timeline-list{gap:14px;list-style:none;display:grid}.timeline-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);gap:10px;padding:16px;display:grid}.timeline-card h2{font-size:1.3rem}.timeline-links{flex-wrap:wrap;gap:10px;display:flex}.timeline-links a{color:#0b4e4a;border:1px solid #b6c8bc;border-radius:999px;padding:.35rem .75rem;font-size:.86rem;text-decoration:none}.timeline-links a:hover{background:#ebf4ef}.muted{color:#747a72}.article-page{padding:42px 0 64px}.article-hero{gap:14px;display:grid}.article-hero h1{font-size:clamp(2rem,4.3vw,3rem)}.article-hero .lead{color:var(--text-soft);max-width:72ch;font-size:1.1rem}.article-hero figure{gap:8px;margin:0;display:grid}.article-hero-image{border-radius:var(--radius);border:1px solid var(--border);aspect-ratio:12/7;object-fit:cover;background:#dde8e3}.article-hero figcaption{color:#687067;font-size:.86rem}.article-body-wrap{grid-template-columns:minmax(0,1fr) 280px;gap:24px;margin-top:26px;display:grid}.article-body{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);gap:28px;padding:24px;display:grid}.article-body section{gap:14px;display:grid}.article-body h2{font-size:1.6rem}.article-body p{color:#2d302b}.artwork-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.artwork-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;margin:0;overflow:clip}.artwork-image-wrap{background:#edf0ec;place-items:center;padding:8px;display:grid}.artwork-image{object-fit:contain;background:#edf0ec;width:auto;max-width:100%;height:auto;max-height:min(72vh,640px)}.artwork-card figcaption{color:#444a43;padding:10px 12px 12px;font-size:.9rem}.artwork-links{flex-wrap:wrap;gap:10px;display:inline-flex}.artwork-links a{color:var(--brand-dark);font-size:.86rem;font-weight:700}.faq-list{gap:10px;display:grid}.faq-list div{border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px}.faq-list dt{margin-bottom:6px;font-weight:700}.sources-list{gap:8px;padding-left:20px;list-style:outside;display:grid}.sources-list a{color:var(--brand-dark)}.article-aside{align-content:start;gap:12px;display:grid}.side-card{background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border);gap:10px;padding:14px;display:grid}.side-card h2{font-size:1.1rem}.side-card ul{gap:8px;list-style:none;display:grid}.side-card a{color:var(--brand-dark);text-decoration:none}.side-card a:hover{text-decoration:underline}.tag-list{flex-wrap:wrap;gap:8px;display:flex}.tag-list span,.tag-link{color:#254b46;border:1px solid #bccfc3;border-radius:999px;padding:.32rem .72rem;font-size:.82rem}.tag-link{background:#fff;text-decoration:none}.tag-link:hover{background:#eef5f2;text-decoration:none}.topic-siblings{padding-bottom:0}.prose-page{gap:24px;display:grid}.prose-page section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);gap:10px;padding:18px;display:grid}.prose-page ul{gap:8px;padding-left:18px;display:grid}.site-footer{background:#eef2ec;border-top:1px solid #d7ddd6;margin-top:56px;padding-top:26px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding-bottom:16px;display:grid}.site-footer h2{margin-bottom:8px;font-size:1.15rem}.site-footer p,.site-footer li{color:#4f544e}.site-footer ul{gap:6px;padding-left:18px;list-style:outside;display:grid}.copyright{text-align:center;color:#6e746d;border-top:1px solid #d7ddd6;padding:10px 0 16px;font-size:.85rem}.topic-directory{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;list-style:none;display:grid}.topic-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);gap:10px;padding:14px;display:grid}.topic-card-link{color:var(--text);justify-content:space-between;gap:10px;font-weight:700;text-decoration:none;display:flex}.topic-card-link:hover{text-decoration:none}.topic-mini-links{gap:6px;display:grid}.topic-mini-links a{color:var(--brand-dark);font-size:.92rem}@media (max-width:1040px){.article-grid,.timeline-strip ol{grid-template-columns:repeat(2,minmax(0,1fr))}.article-body-wrap{grid-template-columns:1fr}.article-aside{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.container{width:min(1120px,100vw - 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