:root{color-scheme:dark;--bg: #0d1512;--panel: #142120;--line: #243732;--text: #e6f2ec;--muted: #8fa8a0;--accent: #5dcaa5;--warn: #fac775;--danger: #f0997b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;line-height:1.6}.app{max-width:900px;margin:0 auto;padding:16px 16px 48px;padding-bottom:max(48px,env(safe-area-inset-bottom))}h1{font-size:18px;font-weight:600;margin:8px 0 4px}.tag{font-size:12px;font-weight:500;color:var(--accent);border:1px solid var(--line);border-radius:999px;padding:2px 8px;margin-left:6px;vertical-align:2px}.lead{font-size:13px;color:var(--muted);margin:0 0 14px}.lead strong{color:var(--text)}.error{background:#3a1a12;border:1px solid var(--danger);color:#ffd9cb;border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:14px;white-space:pre-wrap}.stage{display:grid;grid-template-columns:200px 1fr;gap:14px;align-items:start}@media(max-width:640px){.stage{grid-template-columns:1fr}}.preview{position:relative;background:#000;border:1px solid var(--line);border-radius:12px;overflow:hidden;aspect-ratio:4 / 3}.video-slot{position:absolute;inset:0}.video-slot video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1);display:block}.flash{position:absolute;inset:0;background:var(--accent);opacity:0;pointer-events:none;transition:opacity .12s ease-out}.flash.on{opacity:.55;transition:none}.badge{position:absolute;left:8px;bottom:8px;background:#0009;border:1px solid var(--line);border-radius:999px;font-size:11px;padding:2px 10px;color:var(--muted)}.badge.live{color:var(--accent);border-color:var(--accent)}.readouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.metric{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 12px;min-width:0}.metric .label{display:block;font-size:11px;color:var(--muted)}.metric .value{display:block;font-variant-numeric:tabular-nums;font-size:22px;font-weight:600;overflow-wrap:anywhere}.metric.big .value{font-size:40px;color:var(--accent);line-height:1.15}.metric.big:nth-of-type(2) .value{color:var(--warn)}.wave{width:100%;height:170px;margin-top:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;display:block}.legend{font-size:11px;color:var(--muted);margin:6px 0 16px;display:flex;gap:14px;flex-wrap:wrap}.k{display:inline-block;width:14px;height:3px;margin-right:5px;vertical-align:3px}.k-wave{background:var(--warn)}.k-beat{background:var(--accent)}.k-click{background:#8fa8a0}.controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}button{font:inherit;font-size:15px;padding:10px 20px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer}button.primary{background:var(--accent);border-color:var(--accent);color:#04231a;font-weight:600}button:disabled{opacity:.4;cursor:default}.field{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px}select{font:inherit;font-size:14px;background:var(--panel);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:8px 10px}.diag{margin-top:26px;border-top:1px solid var(--line);padding-top:14px}.diag h2{font-size:13px;color:var(--muted);font-weight:500;margin:0 0 8px}.diag dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin:0 0 14px}.diag dl>div{background:var(--panel);border-radius:8px;padding:8px 10px}.diag dt{font-size:11px;color:var(--muted)}.diag dd{margin:0;font-size:15px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.copied{font-size:12px;color:var(--accent);margin-left:10px}