:root{--bg: #111418;--surface: #1c2128;--text: #e8eaed;--muted: #9aa3ad;--accent: #3d8bfd;--danger: #e5534b;--warning: #d29922;--radius: 10px;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;font-size:16px}.screen{max-width:960px;margin:0 auto;padding:16px;display:flex;flex-direction:column;gap:12px}h1{font-size:22px;margin:4px 0}h2{font-size:17px;margin:8px 0 4px}button,select,input{font:inherit;color:var(--text);background:var(--surface);border:1px solid #333a44;border-radius:var(--radius);padding:10px 14px;min-height:44px}button:disabled{opacity:.4}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.danger{color:var(--danger)}button.toggle.on{border-color:var(--accent);color:var(--accent)}input{width:100%}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.row input{flex:1;min-width:140px;width:auto}.chips{display:flex;gap:6px;flex-wrap:wrap}.chip{border-radius:999px;padding:6px 12px;min-height:36px}.hint,small{color:var(--muted)}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.list li{display:flex;gap:8px;align-items:center}.list-item{flex:1;display:flex;flex-direction:column;align-items:flex-start;text-align:left}.banner{margin:0;padding:10px 12px;border-radius:var(--radius);background:var(--surface)}.banner.error{border-left:4px solid var(--danger)}.banner.warning{border-left:4px solid var(--warning)}.banner.info{border-left:4px solid var(--accent)}.picker{display:flex;flex-direction:column;gap:6px;padding:12px;border:1px dashed #333a44;border-radius:var(--radius)}.picker-button{align-self:flex-start}.tabs{display:flex;gap:6px}.tab.active{border-color:var(--accent);color:var(--accent)}.mark-video{width:100%;max-height:45vh;background:#000;border-radius:var(--radius)}.scrubber{display:flex;flex-direction:column;gap:6px}.scrubber input[type=range]{padding:0;min-height:32px;border:none;background:transparent}.trim-track{position:relative;height:6px;background:#2a3038;border-radius:3px}.trim-track .trim{position:absolute;top:0;bottom:0;background:var(--accent);border-radius:3px}.panes{display:flex;flex-direction:column;gap:6px;height:60vh}@media (orientation: landscape){.panes{flex-direction:row;height:75vh}}.pane{position:relative;flex:1;min-height:0;overflow:hidden;background:#000;border-radius:var(--radius);touch-action:none;container-type:inline-size}.pane video{width:100%;height:100%;object-fit:contain;transform-origin:center center;pointer-events:none}.pane .dim{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;pointer-events:none}.pane .slot-label{position:absolute;top:6px;left:8px;font-size:12px;padding:2px 8px;border-radius:6px;background:#0009}.controls{display:flex;flex-direction:column;gap:8px}.rate{display:flex;gap:8px;align-items:flex-end}.rate label{flex:1;display:flex;flex-direction:column;gap:4px}.rate input[type=range]{padding:0;min-height:32px;border:none;background:transparent}