:root{--bg:#0f0f11;--panel:#151518;--panel-2:#1d1d21;--line:#2a2a30;--text:#ecebe6;--text-dim:#9a99a0;--accent:#ff5a36;--mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, monospace;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Segoe UI,sans-serif;font-size:15px;line-height:1.8}a{color:var(--text)}header.site{z-index:2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#0f0f11eb;justify-content:space-between;align-items:center;gap:12px;padding:10px 20px;display:flex;position:sticky;top:0}.brand{letter-spacing:.06em;align-items:center;gap:8px;font-weight:800;text-decoration:none;display:flex}.brand svg{width:22px;height:22px}header.site nav{align-items:center;gap:8px;display:flex}header.site nav a{white-space:nowrap;border-radius:8px;padding:6px 10px;font-size:13px;text-decoration:none}header.site nav a.open,.button{background:var(--accent);color:#fff;font-weight:700}main{max-width:1080px;margin:0 auto;padding:20px 20px 60px}.crumbs{color:var(--text-dim);margin-bottom:18px;font-size:12px}.crumbs a{color:var(--text-dim)}.crumbs .sep{margin:0 6px}h1{margin:0 0 14px;font-size:clamp(24px,4vw,34px);line-height:1.35}h1 .en{font:500 14px var(--mono);color:var(--text-dim);margin-top:4px;display:block}h2{border-bottom:1px solid var(--line);margin:44px 0 12px;padding-bottom:6px;font-size:20px}h2 small{color:var(--text-dim);font-size:12px;font-weight:500}h3{margin:22px 0 6px;font-size:15px}.lead,.summary{color:var(--text-dim);max-width:46em}.summary{color:var(--text);font-size:16px}.cards{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin:0;padding:0;list-style:none;display:grid}.cards.small{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;flex-direction:column;height:100%;text-decoration:none;transition:border-color .15s;display:flex;overflow:hidden}.card:hover,.card:focus-visible{border-color:var(--accent)}.card canvas{aspect-ratio:1;width:100%;height:auto;display:block}.card-name{padding:10px 12px 0;font-weight:700;line-height:1.4}.card-name em{font:700 9.5px var(--mono);color:var(--accent);border:1px solid var(--accent);vertical-align:2px;border-radius:4px;margin-left:6px;padding:0 4px;font-style:normal}.card-sub{font:500 11px var(--mono);color:var(--text-dim);padding:0 12px}.card-desc{color:var(--text-dim);padding:6px 12px 12px;font-size:12.5px;line-height:1.6}.cards.small .card-desc{display:none}.stage{grid-template-columns:minmax(0,560px) minmax(0,1fr);align-items:start;gap:28px;margin-top:10px;display:grid}.player{margin:0}.player canvas{aspect-ratio:1;border-radius:12px;width:100%;height:auto;display:block}.player figcaption{color:var(--text-dim);margin-top:6px;font-size:12px}.cta p{margin:0 0 16px}.cta .note{color:var(--text-dim);margin-top:12px;font-size:12.5px}.button{border-radius:10px;padding:12px 20px;text-decoration:none;display:inline-block}.how{max-width:46em;padding-left:1.4em}.how li{margin-bottom:8px}.formula{background:var(--panel-2);border:1px solid var(--line);font:13px/1.6 var(--mono);border-radius:8px;padding:12px 14px;overflow-x:auto}.params{border-collapse:collapse;width:100%;max-width:46em;font-size:13.5px}.params th,.params td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:6px 10px 6px 0}.params th{width:14em;font-weight:600}.params td{color:var(--text-dim)}.params strong{color:var(--text)}.pager{justify-content:space-between;gap:12px;margin-top:40px;font-size:14px;display:flex}.legal{max-width:46em}.legal section p{margin:0 0 10px}.updated{color:var(--text-dim);font-size:12.5px}.toc{gap:16px;display:flex}footer.site{border-top:1px solid var(--line);text-align:center;color:var(--text-dim);padding:24px 20px 40px;font-size:12.5px}footer.site p{margin:4px 0}footer.site a{color:var(--text-dim);margin:0 8px}@media (width<=760px){.stage{grid-template-columns:minmax(0,1fr)}header.site{padding:8px 16px}header.site nav a:not(.open){display:none}main{padding:16px 16px 48px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.params th{width:9em}}main p,main li,main td{overflow-wrap:anywhere}