:root{font-family:Inter,"Segoe UI","Noto Sans JP",sans-serif;color:#e8e9ed;background:#111216;font-synthesis:none;color-scheme:dark;--muted:#9297a5;--accent:#c5ee8c;--line:#2d3038}*{box-sizing:border-box}body{margin:0}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:1px solid var(--line);border-radius:9px;padding:11px 16px;background:#22252d;color:inherit}button:hover{border-color:#9bba73;background:#30352e}button:disabled{opacity:.45;cursor:default}button[aria-busy=true]{cursor:wait}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}input{min-width:0;border:1px solid var(--line);border-radius:9px;background:#191b21;color:#fff;padding:12px}input:focus,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}header{height:90px;max-width:1440px;margin:auto;padding:0 5%;display:flex;align-items:center;gap:16px;border-bottom:1px solid #25272e}.brand{font-size:32px;font-weight:800;letter-spacing:-1.7px;display:flex;align-items:center}.brand-icon{font-size:15px;background:var(--accent);color:#152111;border-radius:8px;width:30px;height:30px;display:grid;place-items:center;margin-right:10px}.brand-dot{color:var(--accent)}.byline{font-size:12px;color:var(--muted);padding-top:8px}.beta{margin-left:auto;font-size:10px;letter-spacing:2px;color:#b8bdc6;border:1px solid var(--line);padding:6px 10px;border-radius:20px}main{max-width:1360px;margin:auto;padding:0 5%}.hero{padding:74px 0 48px;max-width:880px;margin:auto;text-align:center}.eyebrow{color:var(--accent);font-size:11px;letter-spacing:3px;font-weight:600}h1{font-size:clamp(32px,4.5vw,56px);letter-spacing:-2px;margin:20px 0;font-weight:750}h1 span{color:var(--accent)}.hero>p{color:var(--muted);font-size:14px;margin:0 0 32px}#url-form{display:flex;align-items:center;background:#1b1e24;padding:7px;border:1px solid #3a3f47;border-radius:14px;gap:10px;box-shadow:0 10px 45px #0002}.input-icon{font-size:23px;color:var(--muted);padding-left:13px}#video-url{flex:1;background:transparent;border:0;font-size:14px;padding:13px 0}.primary{background:var(--accent);color:#203016;border:0;font-weight:700;white-space:nowrap;padding:16px 22px}.primary:hover{background:#d6f6b0}.primary span{margin-left:16px}.hint{display:flex;justify-content:space-between;color:#868c99;font-size:11px;margin:14px 4px}.hint span{color:#b6bbbf}.welcome{padding:18px 0 40px}.timeline-demo{position:relative;display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:18px;max-width:840px;margin:10px auto 66px}.timeline-demo:before{content:'';height:1px;background:#4e5942;position:absolute;top:72px;width:80%;left:10%;z-index:-1}.timeline-demo>div{background:#191b20;border:1px solid var(--line);padding:22px;border-radius:12px;height:166px;display:flex;flex-direction:column;gap:17px}.timeline-demo>div.focus{border-color:#7b915f;background:#20271c;transform:translateY(-8px)}.timeline-demo span{font-size:9px;letter-spacing:2px;color:#9aa18e}.timeline-demo i{height:35px;width:45px;border-radius:5px;background:#30352e;display:grid;place-items:center;font-style:normal;color:var(--accent)}.timeline-demo b{font-size:12px;color:#b9c0b2;font-weight:500}.features{border-top:1px solid var(--line);padding-top:30px;display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.features article>span{font-size:9px;letter-spacing:1.5px;color:var(--accent)}.features h2{font-size:16px;margin:16px 0 10px}.features p{font-size:12px;color:var(--muted);line-height:1.9}#notice{padding:14px 18px;background:#292a20;border:1px solid #595c3c;border-radius:10px;font-size:13px;line-height:1.8;margin:0 0 24px}#notice.error{background:#302023;border-color:#704048}.workspace-grid{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(310px,1fr);gap:28px}.player-wrap{aspect-ratio:16/9;background:#060708;border-radius:12px;overflow:hidden}#player{width:100%;height:100%}.now-meta{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin-top:18px}#now-title{font-size:21px;line-height:1.55;margin:12px 0}#channel-title{font-size:12px;color:var(--muted)}.play-controls{display:flex;justify-content:space-between;align-items:center;gap:6px;margin:24px 0;font-size:12px}.play-controls label{display:flex;gap:6px;align-items:center}.play-controls input{accent-color:var(--accent)}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-title h3{font-size:15px}.section-title>span,.section-title h3 span{font-size:11px;color:var(--muted);font-weight:400}.queue-section,.related-section{padding:18px 0;border-top:1px solid var(--line)}.text-button{border:0;padding:4px;background:transparent;font-size:11px;color:var(--accent)}.muted,.fine{color:var(--muted);font-size:12px;line-height:1.8}.fine{font-size:10px}.timeline-panel{border:1px solid var(--line);background:#17191e;border-radius:12px;padding:18px;align-self:start}.timeline-options{display:flex;align-items:center;gap:8px}.timeline-options input{width:100%;font-size:12px}.timeline-options button{white-space:nowrap}#scan-info{margin:12px 0}#timeline-list{max-height:790px;overflow:auto;scrollbar-width:thin}.video-card{display:flex;gap:10px;padding:10px 5px;border-bottom:1px solid #272a31;align-items:center}.video-card.current{background:#273121;border-radius:8px}.video-card.anchor{border-left:2px solid var(--accent)}.video-main{border:0;background:none;display:flex;text-align:left;gap:10px;padding:0;flex:1;min-width:0;border-radius:5px}.video-main:hover{background:#ffffff08}.video-main img{width:100px;aspect-ratio:16/9;object-fit:cover;border-radius:5px;align-self:start}.video-text{flex:1;min-width:0}.video-text b{font-size:12px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:500}.video-text small{display:block;font-size:10px;color:var(--muted);margin-top:5px}.add-button{padding:5px 9px;color:var(--accent);font-size:18px;border:0;background:transparent}.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.related-grid .video-main{flex-direction:column}.related-grid .video-main img{width:100%}.related-grid .video-card{align-items:end}#search-form{display:flex;gap:8px;margin-top:25px}#search-query{flex:1;font-size:12px}#search-form button{font-size:12px}#load-more{width:100%;margin-top:16px;font-size:12px}footer{max-width:1224px;margin:65px auto 0;padding:30px 5%;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.9}.footer-brand{color:#c6cbd2;font-size:12px}footer details{max-width:800px}footer summary{cursor:pointer}footer a{text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:850px){.workspace-grid{grid-template-columns:1fr}.hero{padding-top:45px}.features{gap:15px}.timeline-demo{gap:10px}.timeline-demo>div{padding:16px}.timeline-demo b{font-size:10px}.timeline-panel{order:0}#timeline-list{max-height:500px}}@media(max-width:550px){header{height:70px}.hero{padding:42px 0 28px}h1{letter-spacing:-1px}.hero>p{font-size:12px;line-height:1.8;padding:0 20px}#url-form{flex-wrap:wrap;gap:4px}.input-icon{padding-left:6px}#video-url{width:80%;font-size:12px}#url-form button{width:100%;padding:12px}.hint{font-size:9px;gap:12px}.timeline-demo{margin-bottom:35px;gap:7px}.timeline-demo>div{height:135px;padding:12px 8px;gap:12px}.timeline-demo span{font-size:7px;letter-spacing:.5px}.timeline-demo b{font-size:9px;line-height:1.6}.features{grid-template-columns:1fr;gap:10px}.features article{padding:10px 0}.features h2{margin:8px 0}.features p{margin:0}#now-title{font-size:18px}.play-controls button{font-size:11px;padding:10px}.related-grid{gap:7px}}

.consent{display:flex;align-items:center;justify-content:center;gap:8px;margin:20px 0 0;font-size:11px;color:#b9bfca;line-height:1.8}.consent input{accent-color:var(--accent);width:17px;height:17px;flex-shrink:0}.consent a{text-decoration:underline}.legal{max-width:840px;padding-top:42px;line-height:1.9}.legal h1{font-size:30px;letter-spacing:0}.legal h2{font-size:19px;margin-top:32px}.legal p,.legal li{font-size:14px;color:#b9bfca}.legal a{color:var(--accent);text-decoration:underline}
@media(max-width:850px){.watch-column{display:contents}.workspace-grid{gap:12px}.player-wrap{order:0}.now-meta{order:1}#now-title{order:2;margin:0}#channel-title{order:3;margin:0}.play-controls{order:4;margin:8px 0}.timeline-panel{order:5}.queue-section{order:6}.related-section{order:7}}
.keyword-picker{margin-top:24px;padding-top:16px;border-top:1px solid var(--line)}.keyword-picker h4{margin:8px 0;font-size:14px}.tag-source{font-size:11px;color:var(--muted);margin:4px 0;overflow-wrap:anywhere}.tag-options{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag-chip{border-radius:20px;padding:8px 13px;font-size:12px;line-height:1.5;max-width:100%;overflow-wrap:anywhere;text-align:left}.tag-chip[aria-pressed=true]{background:var(--accent);color:#203016;border-color:var(--accent)}.tag-actions{display:flex;justify-content:space-between;gap:12px;margin:14px 0}.tag-actions button{padding:6px}.keyword-picker #search-form{margin-top:12px}.error-text{color:#ffb5b5}#keyword-preview{overflow-wrap:anywhere}
.play-controls .autoplay-toggle{min-height:44px;gap:8px;cursor:pointer;white-space:nowrap}.play-controls #autoplay{appearance:none;-webkit-appearance:none;position:relative;display:inline-block;width:40px;height:24px;padding:0;margin:0;flex-shrink:0;border:1px solid #626875;border-radius:999px;background:#353a45;cursor:pointer;transition:background .18s,border-color .18s}.play-controls #autoplay::before{content:"";position:absolute;left:3px;top:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .18s}.play-controls #autoplay:checked{background:var(--accent);border-color:var(--accent)}.play-controls #autoplay:checked::before{transform:translateX(16px);background:#203016}.play-controls #autoplay:focus-visible{outline:2px solid var(--accent);outline-offset:3px}@media(prefers-reduced-motion:reduce){.play-controls #autoplay,.play-controls #autoplay::before{transition:none}}