@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700;800;900&display=swap');
:root{--ink:#191b1b;--muted:#606562;--paper:#f6f5ef;--paper-2:#e9ebe3;--line:#d9dcd3;--accent:#e85f3a;--accent-text:#b93f1d;--green:#274b3e;--text-label:12px;--text-meta:14px;--text-body:16px;--text-h2:22px;--text-title:clamp(2rem,6vw,3.25rem);--section:clamp(3.5rem,8vw,5.5rem);--radius:4px;--measure:680px;--shell:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans','Noto Sans JP',sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select{font:inherit}a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.shell{width:min(calc(100% - 48px),var(--shell));margin:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;left:12px;top:-60px;background:#fff;padding:12px;z-index:10}.skip:focus{top:12px}.site-header{border-bottom:1px solid var(--line);background:var(--paper)}.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;letter-spacing:-.06em}.brand small{display:block;font-size:9px;letter-spacing:.06em;color:var(--muted);font-weight:700;margin-top:-3px}.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:43px;height:43px;border-radius:9px;background:var(--ink);color:#fff;font-size:27px;font-weight:800;letter-spacing:-.11em}.brand-mark span{color:var(--accent)}nav{display:flex;align-items:center;gap:32px;font-size:12px;font-weight:700}nav 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.embed{margin-top:8px}.relations h3{font-size:var(--text-meta);color:var(--muted);font-weight:700;margin:16px 0 4px}.relations ul{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.relations li{border-bottom:1px solid var(--line);padding:12px 0;display:flex;justify-content:space-between;gap:16px}.relations li a{font-weight:700;text-decoration:none}.relations li a:hover,.relation-hubs a:hover{color:var(--accent-text)}.relations li span{font-size:var(--text-meta);color:var(--muted);white-space:nowrap}.relation-hubs a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.note{border-left:3px solid var(--accent);padding:4px 0 4px 16px;font-size:var(--text-meta)!important;line-height:1.8!important;color:var(--ink)}.sources{margin:0;padding-left:24px;font-size:var(--text-meta);line-height:1.7}.sources li{padding:8px 0;border-bottom:1px solid var(--line)}.sources a{text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.kind{display:inline-block;font-size:var(--text-label);font-weight:700;border:1px solid var(--green);color:var(--green);border-radius:var(--radius);padding:0 6px;margin-right:8px}.sources .sub{display:block;color:var(--muted)}.sources .sub a{color:var(--muted)}.fn{font:700 var(--text-label) 'DM Sans',sans-serif;vertical-align:super;margin-left:2px;text-decoration:none;color:var(--accent-text)}.history{font-size:var(--text-label)!important;color:var(--muted);margin-top:24px!important}.page-intro{padding-top:95px;padding-bottom:95px;border-bottom:1px solid var(--line)}.page-intro h1{font-size:clamp(42px,6vw,72px)}.page-intro p{font-size:15px;line-height:2;max-width:650px;color:#515a53}.timeline-page{padding:50px 0 110px}.year-group{display:grid;grid-template-columns:200px 1fr;gap:40px;padding:28px 0;border-bottom:1px solid var(--line)}.year-title 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@media(max-width:600px){.term{grid-template-columns:1fr;gap:8px}}
@media(max-width:600px){.footer-inner{flex-direction:column}.footer-inner>div:last-child{text-align:left}}
@media(max-width:600px){.hub-timeline li{grid-template-columns:1fr auto;gap:4px 12px}.hub-timeline time{grid-column:1/-1}.hub-timeline span{text-align:right}}