:root{--font-sans:"Noto Sans SC", "PingFang SC", "Hiragino Sans GB", sans-serif;--font-serif:"Noto Serif SC", "Songti SC", serif;--color-ink:#18212b;--color-paper:#f7f6f2;--color-muted:#5b6570;--color-line:#d8dde1;--color-accent:#0f766e;--color-accent-dark:#115e59;--color-error:#b42318;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--radius-sm:4px;--measure-reading:720px;--measure-page:1200px;--focus-ring:2px solid #f59e0b}*{box-sizing:border-box}html{background:var(--color-paper);color:var(--color-ink);font-family:var(--font-sans);font-size:16px}body{margin:0;line-height:1.75}a{color:var(--color-accent-dark);text-underline-offset:3px}a:focus-visible,button:focus-visible{outline:var(--focus-ring);outline-offset:3px}button,a{min-height:44px}.skip-link{z-index:10;background:var(--color-ink);color:#fff;padding:8px 12px;position:absolute;top:-100px;left:8px}.skip-link:focus{top:8px}.site-shell{min-height:100vh}.site-header{border-bottom:1px solid var(--color-line);background:#f7f6f2f5}.site-header-inner,.page-width{width:min(calc(100% - 32px), var(--measure-page));margin:0 auto}.site-header-inner{justify-content:space-between;align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--color-ink);font-weight:700;text-decoration:none}.brand small{color:var(--color-muted);font-size:12px;font-weight:400;line-height:1.4;display:block}.site-nav{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.site-nav a{align-items:center;display:inline-flex}.menu-toggle{border:1px solid var(--color-line);border-radius:var(--radius-sm);min-height:44px;color:var(--color-ink);font:inherit;background:#fff;padding:8px 12px;font-weight:700;display:none}.main-content{padding:64px 0 80px}.hero{max-width:760px;padding:32px 0 48px}.hero h1{max-width:680px;font-family:var(--font-serif);letter-spacing:0;margin:0 0 16px;font-size:clamp(2rem,5vw,4rem);line-height:1.2}.hero p{max-width:680px;color:var(--color-muted);font-size:18px}.actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.action{border:1px solid var(--color-accent);border-radius:var(--radius-sm);justify-content:center;align-items:center;padding:8px 16px;font-weight:700;text-decoration:none;display:inline-flex}.action-primary{background:var(--color-accent);color:#fff}.action-secondary{color:var(--color-accent-dark)}.section{border-top:1px solid var(--color-line);padding:32px 0}.section h2{margin:0 0 16px;font-size:1.75rem;line-height:1.3}.reading{max-width:var(--measure-reading)}.muted{color:var(--color-muted)}.notice{border-left:4px solid var(--color-accent);background:#eef7f5;padding:12px 16px}.status{border:1px solid var(--color-line);border-left:4px solid var(--color-accent);background:#fff;margin:32px 0;padding:20px}.status h2{margin:0 0 8px;font-size:1.35rem;line-height:1.35}.status p{margin:4px 0 12px}.status-kind{color:var(--color-muted);letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;font-weight:700}.status-error{border-left-color:var(--color-error,#b42318)}.status-warning,.status-partial{border-left-color:#a16207}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.project-list{gap:24px;display:grid}.project-row{border-top:1px solid var(--color-line);justify-content:space-between;align-items:end;gap:24px;padding:20px 0 0;display:flex}.project-row h2{margin:0;font-size:1.35rem;line-height:1.35}.project-row p{margin:4px 0}.row-link{flex:none}.metadata-list{grid-template-columns:minmax(140px,180px) 1fr;gap:8px 16px;margin:24px 0;display:grid}.metadata-list dt{color:var(--color-muted);font-weight:700}.metadata-list dd{overflow-wrap:anywhere;min-width:0;margin:0}.item{border-top:3px solid var(--color-accent);padding:16px 0}.item h3{margin:0 0 4px;font-size:1.2rem}.item p{margin:4px 0}.chain{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin:24px 0;display:grid}.chain-step{border:1px solid var(--color-line);border-radius:var(--radius-sm);background:#fff;padding:12px}.chain-step strong{color:var(--color-accent-dark);display:block}.site-footer{border-top:1px solid var(--color-line);color:var(--color-muted);padding:24px 0;font-size:14px}.site-footer p{margin:4px 0}@media (width<=700px){.site-header-inner{flex-wrap:wrap;align-items:center;padding:12px 0}.menu-toggle{align-items:center;margin-left:auto;display:inline-flex}.site-nav{gap:4px 12px;width:100%;padding-top:8px;display:none}.site-nav[data-open=true]{display:flex}.main-content{padding-top:32px}.hero h1{font-size:2.25rem}.grid,.chain{grid-template-columns:1fr}.project-row{flex-direction:column;align-items:flex-start;gap:8px}.metadata-list{grid-template-columns:1fr;gap:2px}.metadata-list dd{margin-bottom:12px}}