*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--accent: #39C5BB;--accent-dark: #2BA8A0;--accent-tint: #b5e8e5;--lyric-highlight: var(--accent);--lyric-glow: #39C5BB60}html{width:100%;height:100%}body{width:100%;height:100%;background:#1a0030;display:flex;align-items:center;justify-content:center;overflow:hidden;font-family:Noto Sans JP,Hiragino Sans,sans-serif;touch-action:manipulation}#stage{aspect-ratio:16 / 9;width:calc(100vh * 16 / 9);max-width:100%;position:relative;overflow:hidden;background:#111;color:#fff;container-type:size;-webkit-user-select:none;user-select:none}.screen{display:none;position:absolute;top:0;right:0;bottom:0;left:0}.screen.active{display:flex;flex-direction:column;align-items:center;justify-content:center}@media(hover:hover){body{background-color:#fff;background-image:radial-gradient(circle,var(--accent) 8%,transparent 8%),radial-gradient(circle,var(--accent) 8%,transparent 8%);background-size:120px 120px;background-position:0 0,60px 60px}}#rotate-warning{display:none;position:absolute;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000;color:#fff;flex-direction:column;align-items:center;justify-content:center;gap:20px;text-align:center}#rotate-icon{font-size:4rem;animation:rotate-hint 1.5s ease-in-out infinite}@keyframes rotate-hint{0%,to{transform:rotate(0)}50%{transform:rotate(-90deg)}}#rotate-warning p{font-size:1.2rem;color:#ccc}.detail-award{display:inline-block;align-self:center;font-size:clamp(.5rem,1cqw,.72rem);font-weight:700;padding:3px 10px;border-radius:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:95%}.detail-award[hidden]{display:none}.scrollable{scrollbar-width:thin;scrollbar-color:transparent transparent;transition:scrollbar-color .3s}.scrollable:hover{scrollbar-color:var(--accent) transparent}.scrollable::-webkit-scrollbar{width:6px}.scrollable::-webkit-scrollbar-track{background:transparent}.scrollable::-webkit-scrollbar-thumb{background:transparent;border-radius:3px;transition:background .3s}.scrollable:hover::-webkit-scrollbar-thumb{background:var(--accent)}.btn{--btn-bg: var(--accent);--btn-shadow: var(--accent-dark);display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--btn-bg);border:none;border-radius:4px;box-shadow:0 4px 0 var(--btn-shadow);color:#fff;font-size:clamp(.7rem,1.3cqw,.95rem);line-height:1;white-space:nowrap;cursor:pointer;transition:filter .15s,transform .1s,box-shadow .1s,opacity .15s}@media(hover:hover){.btn:not(:disabled):hover{filter:brightness(1.1)}}.btn:not(:disabled):active{transform:translateY(2px);box-shadow:0 2px 0 var(--btn-shadow)}.btn:disabled{opacity:.3;cursor:default}.btn--danger{--btn-bg: #c60036;--btn-shadow: #8b0024}.btn--neutral{--btn-bg: #364153;--btn-shadow: #1e293b}.btn--dark{--btn-bg: #3a3a3a;--btn-shadow: #1a1a1a}.btn--nav{--btn-bg: rgba(255,255,255,.18);--btn-shadow: rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.3)}#song-select-screen{background:linear-gradient(160deg,color-mix(in srgb,var(--accent) 35%,#fff),color-mix(in srgb,var(--accent) 15%,#fff));padding:0;gap:0}#song-select-screen.active{flex-direction:row;align-items:stretch;justify-content:flex-start}#song-wheel-panel{width:45%;flex-shrink:0;overflow:hidden;position:relative}#song-wheel-container{width:100%;height:100%;position:relative;overflow:hidden;cursor:grab;-webkit-user-select:none;user-select:none;touch-action:none}#song-wheel-container:active{cursor:grabbing}#song-wheel{position:absolute;top:0;right:0;bottom:0;left:0}#wheel-highlight-bar{position:absolute;left:6%;right:6%;top:50%;height:14%;transform:translateY(-50%);background:#ffffff1a;border:1px solid rgba(255,255,255,.35);border-radius:8px;pointer-events:none}.wheel-item{position:absolute;left:6%;right:6%;top:50%;display:flex;align-items:center;gap:3%;padding:2% 3%;border-radius:8px;background:#ffffffe0;border-left:4px solid var(--char-color, var(--accent));transform-origin:center;will-change:transform,opacity;cursor:pointer}.wheel-item.active{background:#fff}.wheel-thumb{flex-shrink:0;width:13%;aspect-ratio:3/4;border-radius:4px;background:var(--char-color, var(--accent));display:flex;align-items:center;justify-content:center;overflow:hidden;color:#ffffffb3;font-size:clamp(.65rem,1.4cqw,1rem)}.wheel-thumb img{width:100%;height:100%;object-fit:cover}.wheel-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.wheel-title{font-size:clamp(.78rem,1.7cqw,1.1rem);font-weight:700;color:#1a1a1a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.wheel-artist{font-size:clamp(.5rem,1cqw,.7rem);color:#666;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#song-preview-panel{flex:1;min-width:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3% 6%;gap:3%;position:relative}#preview-jacket-area{flex-shrink:0;width:50%;aspect-ratio:1;overflow:hidden;background:#ffffff26;display:flex;align-items:center;justify-content:center}#preview-jacket-img{width:100%;height:100%;object-fit:cover}#preview-jacket-empty{font-size:clamp(2.5rem,7cqw,6rem);color:color-mix(in srgb,var(--accent) 40%,#fff);-webkit-user-select:none;user-select:none}#song-preview-panel #detail-info{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;width:100%}#song-preview-panel .detail-award{background:var(--accent);color:#fff;font-size:clamp(.5rem,1cqw,.7rem)}#song-preview-panel .detail-award[hidden]{display:none}#song-preview-panel .detail-title{color:var(--accent-dark);cursor:pointer;font-size:clamp(1rem,3cqw,2.2rem);line-height:1.25}#song-preview-panel .detail-title:before{content:none}@media(hover:hover){#song-preview-panel .detail-title:hover{text-decoration:underline}}#song-preview-panel .detail-artist{color:var(--accent-dark);font-size:clamp(.7rem,1.4cqw,1rem);padding-left:0}#song-preview-panel #detail-lyrics-row{margin-top:4px;background:#0000000a;border:1px solid var(--accent);border-radius:6px;padding:6px 10px;width:100%;box-sizing:border-box;overflow-x:auto;overflow-y:hidden;cursor:pointer;transition:background .15s;scrollbar-width:none}#song-preview-panel #detail-lyrics-row::-webkit-scrollbar{display:none}#song-preview-panel #detail-lyrics-row:hover{background:#0000001a}#song-preview-panel #detail-lyrics-preview{color:#666;font-size:clamp(.58rem,1.05cqw,.78rem);line-height:1.7;white-space:nowrap;display:block}#detail-award-text{display:inline-block}#detail-play-btn-sp{display:none}.btn--decide{--btn-bg: var(--accent);--btn-shadow: var(--accent-dark);width:72%;padding:3.5% 0;font-size:clamp(1rem,2.5cqw,1.8rem)!important;font-weight:700;border-radius:8px;letter-spacing:.18em;gap:10px}.btn--decide:disabled{--btn-bg: rgba(255,255,255,.2);--btn-shadow: rgba(0,0,0,.15);opacity:.5;cursor:default}.btn--decide:not(:disabled):active{letter-spacing:.18em}#lyrics-modal{position:absolute;top:0;right:0;bottom:0;left:0;z-index:100;background:#000000b3;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}#lyrics-modal[hidden]{display:none}#lyrics-modal-box{position:relative;width:90%;height:85%;background:#fff;border:2px solid var(--accent);border-radius:8px;display:flex;flex-direction:column;box-shadow:0 4px 20px #0000004d}#lyrics-modal-close{position:absolute;top:8px;right:8px;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--accent);border:none;border-radius:50%;color:#fff;cursor:pointer;transition:filter .15s,transform .1s;z-index:10}@media(hover:hover){#lyrics-modal-close:hover{filter:brightness(1.1)}}#lyrics-modal-close:active{transform:scale(.95)}#lyrics-modal-content{flex:1;overflow-y:auto;padding:48px 24px 24px;font-size:clamp(.9rem,2cqw,1.3rem);color:#333;line-height:2;white-space:pre-wrap;text-align:center}#playback-screen.active{flex-direction:row;align-items:stretch;justify-content:flex-start}#playback-song-title,#playback-artist-row,#playback-lyrics-btn,#sp-transport-row{display:none}#lyrics-stage{flex:1;position:relative;min-width:0;overflow:hidden}#background{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;background:#212121;transition:background 1.2s ease}#youtube-bg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0;pointer-events:none;display:none}#background.youtube-active{background:#000}#background.youtube-active #youtube-bg{display:block}#overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000073}#chat-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;display:flex;flex-direction:column;gap:.8em;padding:4% 7% 3.5%;font-family:Noto Sans JP,Hiragino Sans,sans-serif;font-size:clamp(.7rem,1.9cqw,1.2rem);line-height:1.7;color:#ececec;pointer-events:none}#background.youtube-active #chat-bg{display:none}#chat-log{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:flex-end;gap:1.3em;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,transparent,#000 16%);mask-image:linear-gradient(to bottom,transparent,#000 16%)}#chat-input-bar{flex-shrink:0;display:flex;align-items:center;gap:.6em}#chat-input{flex:1;display:flex;align-items:center;min-width:0;min-height:2.6em;padding:.55em 1.1em;background:#2f2f2f;border:1px solid rgba(255,255,255,.12);border-radius:1.4em}#chat-input-text{white-space:pre;overflow:hidden;text-overflow:clip;color:#ececec}#chat-input-text:empty:before{content:"メッセージを送信する";color:#8e8e8e}#chat-input-caret{flex-shrink:0;width:1px;height:1.15em;margin-left:1px;background:#ececec;animation:chat-blink 1s steps(2,start) infinite}#chat-input-text:empty+#chat-input-caret{display:none}#chat-send{flex-shrink:0;width:2.2em;height:2.2em;padding:0;border:none;border-radius:50%;background:#ececec;color:#1a1a1a;display:flex;align-items:center;justify-content:center}.chat-msg{display:flex;width:100%;animation:chat-rise .35s ease both}.chat-text{white-space:pre-wrap;overflow-wrap:anywhere}@keyframes chat-rise{0%{opacity:0;transform:translateY(.6em)}to{opacity:1;transform:translateY(0)}}.chat-msg.user{justify-content:flex-end}.chat-msg.user .chat-text{max-width:72%;background:#303030;padding:.55em .9em;border-radius:1.2em 1.2em .3em}.chat-msg.bot{justify-content:flex-start;gap:.7em}.chat-avatar{flex-shrink:0;width:1.9em;height:1.9em;border-radius:50%;background:var(--accent);color:#0a0a0a;font-size:.9em;display:flex;align-items:center;justify-content:center}.chat-msg.bot .chat-text{flex:1;min-width:0;padding-top:.15em}.chat-cursor{display:inline-block;width:.5em;height:1em;margin-left:.05em;vertical-align:text-bottom;background:var(--accent);animation:chat-blink 1s steps(2,start) infinite}@keyframes chat-blink{50%{opacity:0}}@media(prefers-reduced-motion:reduce){.chat-msg,.chat-cursor,#chat-input-caret,.live-msg{animation:none}}#loading{display:none;position:absolute;top:0;right:0;bottom:0;left:0;z-index:50;align-items:center;justify-content:center;flex-direction:column;gap:3%;background:#0009;font-size:clamp(.75rem,1.5cqw,1rem);color:#fffc;pointer-events:none}.loading-spinner{width:clamp(24px,4cqw,40px);height:clamp(24px,4cqw,40px);border:3px solid rgba(255,255,255,.2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#settings-panel{width:15%;flex-shrink:0;display:flex;flex-direction:column;padding:16px 8px;gap:8px;background:#fff;border-right:1px solid var(--accent)}#volume-controls{display:flex;flex-direction:column;gap:3%}#volume-label{font-size:clamp(.6rem,1cqw,.75rem);color:#666}#volume-buttons{display:flex;gap:3%}#volume-down-btn,#volume-up-btn{flex:1;padding:5% 0}#seek-row{position:absolute;z-index:20;left:calc(15% + 16px);right:16px;bottom:16px}#seek-bar{--seek-fill: var(--accent-tint);--seek-track: #d9d9d9;--thumb-opacity: 0;width:100%;height:6px;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:linear-gradient(to right,var(--seek-fill) 0%,var(--seek-track) 0%);border:none;border-radius:3px}#seek-bar.seeking,#seek-bar.show-thumb{--seek-fill: var(--accent);--thumb-opacity: 1}#seek-bar::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;background:var(--accent);border-radius:50%;cursor:pointer;box-shadow:0 1px 3px #0003;opacity:var(--thumb-opacity, 1);transition:opacity .15s}#seek-bar::-moz-range-thumb{width:14px;height:14px;background:var(--accent);border:none;border-radius:50%;cursor:pointer;box-shadow:0 1px 3px #0003;opacity:var(--thumb-opacity, 1);transition:opacity .15s}#seek-bar::-moz-range-progress{background:var(--seek-fill);border-radius:3px}@media(hover:hover){#seek-row{opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}#playback-screen.karaoke-hover #seek-row{opacity:1;visibility:visible}#playback-screen.karaoke-hover #seek-bar{--seek-fill: var(--accent);--thumb-opacity: 1}}#skip-controls{margin-top:auto;display:flex;gap:3%}#skip-back-btn,#skip-forward-btn{flex:1;padding:5% 0}#pause-play-btn,#stop-btn{width:100%;padding:7% 0}#stop-btn.dialog-open:active{transform:none;box-shadow:0 4px 0 var(--btn-shadow)}#lyrics-area{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:3% 3% 4%;gap:10%;pointer-events:none;overflow:hidden}.lyrics-line{position:relative;width:100%;text-align:center;font-family:Zen Old Mincho,Hiragino Mincho ProN,serif;font-weight:900;font-size:clamp(1.4rem,4.3cqw,3.5rem);letter-spacing:.04em;line-height:1.4;min-height:2em;white-space:nowrap}.word{display:inline-block;margin:0 .02em}.phrase-base{-webkit-text-fill-color:#fff;-webkit-text-stroke:.07em rgba(0,0,0,.9);paint-order:stroke fill}.phrase-highlight{position:absolute;top:0;right:0;bottom:0;left:0;-webkit-text-fill-color:var(--lyric-highlight);-webkit-text-stroke:.07em rgba(0,0,0,.9);paint-order:stroke fill;text-shadow:0 0 20px var(--lyric-glow);clip-path:inset(0 100% 0 0);pointer-events:none}#play-pause-indicator{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;align-items:center;justify-content:center;pointer-events:none;opacity:0}#play-pause-indicator.flash{animation:indicator-flash .65s ease-out}.indicator-circle{width:clamp(60px,16cqmin,160px);height:clamp(60px,16cqmin,160px);border-radius:50%;background:#00000080;display:flex;align-items:center;justify-content:center;color:#fff}.indicator-circle svg{width:50%;height:50%}@keyframes indicator-flash{0%{opacity:0;transform:scale(.6)}18%{opacity:1;transform:scale(1)}55%{opacity:1;transform:scale(1)}to{opacity:0;transform:scale(1.3)}}@media(prefers-reduced-motion:reduce){#play-pause-indicator.flash{animation:none}}#time-display{position:absolute;bottom:28px;right:16px;z-index:10;font-size:clamp(.55rem,1cqw,.75rem);color:#ffffff80;font-variant-numeric:tabular-nums;pointer-events:none}#stop-dialog{position:absolute;top:0;right:0;bottom:0;left:0;z-index:100;background:#000000a6;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}#stop-dialog[hidden]{display:none}#stop-dialog-box{background:#fff;border:1px solid var(--accent);border-radius:8px;padding:32px;display:flex;flex-direction:column;align-items:center;gap:10%;min-width:30%;max-width:60%;text-align:center;box-shadow:0 4px 20px #0000004d}#stop-dialog-box p{font-size:clamp(.8rem,2cqw,1.2rem);color:#333;line-height:1.5}#stop-dialog-buttons{margin-top:16px;display:flex;gap:6%;width:100%;justify-content:center}#stop-confirm-btn,#stop-cancel-btn{padding:2% 6%;font-size:clamp(.7rem,1.5cqw,.95rem);font-weight:600}#media-element{position:absolute;bottom:0;right:0;z-index:20;pointer-events:none}@media(orientation:landscape)and (max-height:500px)and (pointer:coarse){#rotate-warning{display:flex}#song-select-screen,#playback-screen{display:none!important}}@media(orientation:portrait)and (max-width:768px){#stage{aspect-ratio:unset;width:100%;height:100%}#song-select-screen.active{flex-direction:column;overflow-y:hidden;align-items:stretch}#song-preview-panel{order:1;flex:0 0 auto;flex-direction:row;align-items:center;padding:4% 5%;gap:4%}#preview-jacket-area{width:22%}#song-preview-panel #detail-info{align-items:flex-start;text-align:left;min-width:0}#song-preview-panel .detail-title{font-size:1rem}#song-preview-panel .detail-artist{font-size:.75rem}#song-preview-panel .detail-award{text-overflow:clip;max-width:100%;align-self:flex-start}#song-preview-panel #detail-lyrics-row,#song-preview-panel #detail-play-btn{display:none}#song-wheel-panel{order:2;flex:1 1 0;width:100%;height:0;border-right:none;border-bottom:none}#detail-play-btn-sp{display:flex;order:3;flex:0 0 auto;width:88%;margin:4% auto 8%;padding:4% 0;font-size:1.5rem!important}#playback-screen.active{flex-direction:column;align-items:stretch;justify-content:flex-start}#lyrics-stage{order:1;flex:0 0 auto;width:100%;aspect-ratio:16 / 9}#lyrics-area{padding:4% 4% 3%;justify-content:center}#settings-panel{order:2;position:relative;z-index:10;flex:1 1 auto;width:100%;flex-direction:column;align-items:stretch;justify-content:flex-start;padding:12px 16px 16px;gap:10px;border-right:none;border-top:1px solid var(--accent)}#volume-controls,#skip-controls,#pause-play-btn,#stop-btn{display:none}#playback-song-title{display:block;font-size:1.25rem;font-weight:700;color:#1a1a1a;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4;cursor:pointer}@media(hover:hover){#playback-song-title:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}}#playback-artist-row{display:flex;align-items:center;gap:8px;min-width:0}#playback-artist-img{width:32px;height:32px;border-radius:50%;object-fit:cover;flex-shrink:0}#playback-artist-img[hidden]{display:none}#playback-artist-name{font-size:.9rem;color:#555;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#playback-lyrics-btn{display:flex;height:40px;padding:0 16px;font-size:.9rem;font-weight:600;letter-spacing:.05em;gap:6px}#seek-row{order:-1;position:relative;z-index:1;left:auto;right:auto;bottom:auto;height:20px;display:flex;align-items:center;opacity:1;visibility:visible;margin:-23px -16px 0}#seek-bar{height:24px;border-radius:0;background-repeat:no-repeat;background-position:center;background-size:100% 6px}#sp-transport-row{display:flex;align-items:center;gap:10px;padding:4px 0 8px;width:100%;margin-top:auto;margin-bottom:64px}#sp-transport-row .btn{border-radius:50%!important;padding:0;box-shadow:none;aspect-ratio:1}#sp-transport-row .btn:not(:disabled):active{transform:scale(.9);box-shadow:none}#sp-transport-row .btn svg{width:44%;height:44%}#sp-play-btn{flex:1.4}#sp-skip-back-btn,#sp-skip-fwd-btn,#sp-vol-down-btn,#sp-vol-up-btn{flex:1}#sp-skip-back-btn,#sp-skip-fwd-btn{--btn-bg: var(--accent-tint);--btn-shadow: transparent;color:var(--accent-dark)}#sp-vol-down-btn,#sp-vol-up-btn{--btn-bg: #e8e8e8;--btn-shadow: transparent;color:#444}#time-display{font-size:.7rem;bottom:auto;top:2%;right:3%}.lyrics-line{font-size:clamp(1rem,5vw,1.8rem);min-height:1.5em}#stop-dialog-box{min-width:80%;max-width:90%;padding:24px}#stop-dialog-box p{font-size:1.1rem}#stop-dialog-buttons{gap:16px}#stop-confirm-btn,#stop-cancel-btn{padding:12px 24px;font-size:1rem}}