:root{color-scheme:dark;--bg:#101510;--surface:#19211b;--surface2:#202b22;--line:#39483b;--ink:#f1f5ed;--muted:#b1beaf;--accent:#bad4b7;--gold:#bed7bb;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:radial-gradient(ellipse at 90% 0%,#293c2a 0,transparent 48%),var(--bg);color:var(--ink);line-height:1.7}a{color:var(--accent);text-underline-offset:4px}a:hover{color:#edf8de}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.shell{width:min(1180px,100% - 48px);margin:auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;min-height:88px;border-bottom:1px solid 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var(--line);margin-top:32px;padding:24px 0}.sources a{overflow-wrap:anywhere}section{scroll-margin-top:24px}main>section+section{margin-top:28px}footer{margin-top:40px;border-top:1px solid var(--line);padding:24px 0 36px;color:var(--muted);font-size:13px}canvas{display:block;max-width:100%;height:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{color:var(--accent);font-weight:650}.table-wrap{overflow-x:auto;max-width:100%}progress{width:100%;accent-color:var(--accent)}pre,code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap;overflow-wrap:anywhere}pre{padding:16px;background:#0f180f;border-radius:8px;font-size:13px}fieldset{border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 20px}output{font-variant-numeric:tabular-nums}.lab-number{font-family:ui-monospace,monospace;color:var(--gold);font-size:13px;letter-spacing:.12em}.intro-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center}.intro-orbit{width:220px;height:220px;border:1px solid #627d5b;border-radius:50%;display:grid;place-items:center;margin:auto;box-shadow:0 0 0 24px #bad4b708,0 0 0 48px #bad4b705;color:var(--accent);font-size:64px;font-weight:250}.pill{display:inline-flex;padding:4px 9px;border:1px solid var(--line);border-radius:30px;font-size:12px;color:var(--muted)}@media(max-width:760px){.shell{width:calc(100% - 32px)}.topbar{gap:12px;min-height:76px;padding:14px 0}.topbar nav{flex-wrap:wrap;gap:10px;font-size:13px}.hero{padding:40px 0 24px}.workspace,.intro-grid{grid-template-columns:1fr}.panel,.card{padding:21px}.grid{grid-template-columns:1fr}.intro-orbit{display:none}th,td{padding:10px 8px}}@media(prefers-reduced-motion:no-preference){a,button{transition:background 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