:root{--bg: #0b0f16;--bg-2: #131a26;--ink: #e7ecf3;--ink-dim: #8592a6;--accent: #7fd4c1;--line: #24303f;--shell-h: 52px;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;overscroll-behavior:none;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;-webkit-text-size-adjust:100%}.shell{position:fixed;inset:0 0 auto;height:calc(var(--shell-h) + env(safe-area-inset-top,0px));display:flex;align-items:center;gap:12px;padding:env(safe-area-inset-top,0px) calc(12px + env(safe-area-inset-right,0px)) 0 calc(12px + env(safe-area-inset-left,0px));background:linear-gradient(to bottom,#0b0f16eb,#0b0f1600);z-index:10;pointer-events:none}.shell>*{pointer-events:auto}.shell__title{font-size:14px;font-weight:600;letter-spacing:.08em;margin:0;color:var(--ink)}.shell__sub{font-size:12px;color:var(--ink-dim);margin:0}.shell__spacer{flex:1}.btn{appearance:none;border:1px solid var(--line);background:#131a26b8;color:var(--ink);border-radius:999px;min-width:40px;height:36px;padding:0 12px;font-size:13px;font-family:inherit;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:border-color .18s,color .18s,background .18s}.btn:hover{border-color:var(--accent);color:var(--accent)}.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.btn[aria-pressed=true]{color:var(--ink-dim)}.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translate(-50%) translateY(8px);background:#131a26f2;border:1px solid var(--line);color:var(--ink);padding:10px 16px;border-radius:999px;font-size:13px;opacity:0;transition:opacity .2s,transform .2s;z-index:20;pointer-events:none}.toast[data-show=true]{opacity:1;transform:translate(-50%) translateY(0)}canvas.stage{position:fixed;inset:0;display:block;width:100%;height:100%;touch-action:none}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important}}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.share-fallback{position:fixed;left:50%;bottom:calc(72px + env(safe-area-inset-bottom,0px));transform:translate(-50%);width:min(88vw,420px);height:74px;z-index:30;background:#131a26;color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:10px;font:13px/1.6 system-ui,sans-serif;resize:none}.btn--lang{text-decoration:none;font-size:11px;font-weight:700;letter-spacing:.12em}.info{position:fixed;inset:0;z-index:40;overflow-y:auto;overscroll-behavior:contain;background:#06090eb8;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);padding:calc(16px + env(safe-area-inset-top,0px)) calc(16px + env(safe-area-inset-right,0px)) calc(32px + env(safe-area-inset-bottom,0px)) calc(16px + env(safe-area-inset-left,0px))}.info[hidden]{display:none}.info__sheet{max-width:620px;margin:0 auto;background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:22px 22px 26px;line-height:1.8;font-size:14px}.info__head{display:flex;align-items:flex-start;gap:12px}.info__head>div{flex:1}.info__eyebrow{margin:0;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:700}.info h1{font-size:22px;margin:4px 0 6px;line-height:1.4}.info h2{font-size:13px;margin:26px 0 10px;letter-spacing:.08em;color:var(--ink-dim);border-top:1px solid var(--line);padding-top:18px}.info p{margin:0 0 10px}.info ol,.info ul{margin:0;padding-left:1.3em}.info li{margin-bottom:4px}.info .keys{color:var(--ink-dim);font-size:13px}.info kbd{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px;color:var(--ink)}.info a{color:var(--accent)}.info__links{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;margin-top:22px}.related{list-style:none;padding:0!important;display:grid;grid-template-columns:1fr;gap:10px}@media (min-width: 520px){.related{grid-template-columns:1fr 1fr}}.related a{display:flex;gap:12px;align-items:center;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:8px;background:#0b0f1680;transition:border-color .18s}.related a:hover{border-color:var(--accent)}.related a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.related img{width:84px;height:44px;object-fit:cover;border-radius:6px;flex:none;background:#0b0f16}.related strong{display:block;font-size:14px;line-height:1.4}.related span{display:block;font-size:12px;color:var(--ink-dim);line-height:1.5}.more-chip{position:fixed;left:50%;bottom:calc(76px + env(safe-area-inset-bottom,0px));transform:translate(-50%) translateY(8px);z-index:15;appearance:none;border:1px solid var(--accent);background:#131a26eb;color:var(--accent);border-radius:999px;padding:9px 16px;font:600 13px/1 system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s}.more-chip[data-show=true]{opacity:1;pointer-events:auto;transform:translate(-50%) translateY(0)}.more-chip:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media (max-width: 440px){.shell{gap:6px}.shell .btn{min-width:34px;height:34px;padding:0 9px}.shell__sub{white-space:nowrap;font-size:11px}.shell>div:nth-child(2){min-width:0}}