:root{color-scheme:dark;--ink:#f6f7fb;--muted:#a9acb8;--accent:#ff8a66;--line:rgba(255,255,255,.13);font-family:Inter,"Noto Sans JP","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
html,body{margin:0;background:#101116;color:var(--ink)}
body{overflow:hidden}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.short-header{position:fixed;z-index:20;top:0;left:0;right:0;display:flex;height:68px;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(16,17,22,.96),rgba(16,17,22,.72),transparent);backdrop-filter:blur(12px)}
.short-brand{display:flex;gap:10px;align-items:center;color:#fff;font-size:.92rem;font-weight:900;text-decoration:none}
.short-brand>span{display:flex;gap:2px;align-items:end;width:22px;height:20px}
.short-brand i{display:block;width:6px;border-radius:4px;background:#ff8a66}
.short-brand i:nth-child(1){height:8px}
.short-brand i:nth-child(2){height:14px}
.short-brand i:nth-child(3){height:20px}
.short-header nav{display:flex;gap:6px;padding:4px;border:1px solid var(--line);border-radius:99px;background:rgba(0,0,0,.2)}
.short-header nav a{padding:8px 14px;border-radius:99px;color:#b9bbc5;font-size:.76rem;font-weight:800;text-decoration:none}
.short-header nav a.is-current{color:#151621;background:#f4f5f8}
.feed-tools{position:fixed;z-index:18;top:82px;left:28px;right:28px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}
.filter-strip{display:flex;max-width:min(760px,calc(100vw - 150px));gap:7px;overflow:auto;pointer-events:auto;scrollbar-width:none;touch-action:pan-x;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch}
.filter-strip::-webkit-scrollbar{display:none}
.filter-strip button{flex:0 0 auto;padding:8px 13px;border:1px solid var(--line);border-radius:99px;color:#d3d5dc;background:rgba(19,20,26,.72);font-size:.72rem;font-weight:800;backdrop-filter:blur(10px);cursor:pointer}
.filter-strip button.is-active{border-color:#e5e6ec;color:#151621;background:#f4f5f8}
.feed-progress{display:flex;gap:8px;align-items:center;color:#d7d9e0;font:800 .7rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}
.feed-progress i{display:block;width:42px;height:1px;background:var(--line)}
.short-feed{height:100svh;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior-y:contain;scrollbar-width:none}
.short-feed::-webkit-scrollbar{display:none}
.short-slide{position:relative;display:grid;grid-template-columns:minmax(280px,405px) minmax(260px,430px);gap:46px;align-items:center;justify-content:center;min-height:100svh;padding:128px 92px 54px;scroll-snap-align:start;scroll-snap-stop:always}
.short-slide:before{position:absolute;inset:0;content:"";background:radial-gradient(circle at 42% 45%,var(--glow,rgba(232,92,58,.2)),transparent 34%);pointer-events:none}
.video-shell{position:relative;z-index:1;width:min(405px,calc((100svh - 174px)*.5625));max-width:100%;aspect-ratio:9/16;overflow:hidden;border:1px solid rgba(255,255,255,.16);border-radius:18px;background:#060609;box-shadow:0 28px 80px rgba(0,0,0,.42)}
.video-shell iframe,.video-poster{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-poster{display:grid;place-items:center;padding:0;border:0;background-position:center;background-size:cover;cursor:pointer}
.video-poster:after{position:absolute;inset:0;content:"";background:linear-gradient(180deg,rgba(0,0,0,.04),rgba(0,0,0,.4))}
.video-poster span{position:relative;z-index:1;display:grid;width:66px;height:66px;place-items:center;padding-left:4px;border:1px solid rgba(255,255,255,.4);border-radius:50%;color:#fff;background:rgba(12,13,18,.72);font-size:1.25rem;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.short-copy{position:relative;z-index:1;align-self:end;padding-bottom:7vh}
.short-copy .eyebrow{display:flex;gap:7px;flex-wrap:wrap}
.short-copy .eyebrow span{padding:6px 9px;border:1px solid var(--line);border-radius:99px;color:#dfe1e8;font-size:.68rem;font-weight:800}
.short-copy h2{max-width:11em;margin:18px 0 14px;font-size:clamp(2rem,4vw,3.8rem);line-height:1.12;letter-spacing:-.055em}
.short-copy>p{max-width:37em;margin:0;color:#b6b9c4;font-size:.92rem;line-height:1.9}
.creator{display:flex;gap:10px;align-items:center;margin-top:22px;color:#e3e4e9;font-size:.78rem}
.creator b{display:grid;width:31px;height:31px;place-items:center;border-radius:50%;color:#171821;background:#ffe0d6}
.short-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.short-actions a,.short-actions button{padding:11px 15px;border:1px solid var(--line);border-radius:9px;color:#f4f5f8;background:transparent;font-size:.75rem;font-weight:900;text-decoration:none;cursor:pointer}.short-actions button.is-saved{color:#241d1b;border-color:#ff9a7c;background:#ff9a7c}
.short-actions a.primary{border-color:#ff9a7c;background:#c9472c}
.short-actions a:hover{border-color:#fff}
.source-note{display:block;margin-top:20px;color:#858895;font-size:.63rem;line-height:1.6}
.feed-nav{position:fixed;z-index:19;right:28px;top:50%;display:grid;gap:8px;transform:translateY(-50%)}
.feed-nav button{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:50%;color:#fff;background:rgba(16,17,22,.7);font-size:1rem;cursor:pointer;backdrop-filter:blur(10px)}
.feed-nav button:disabled{opacity:.28}
.swipe-hint{position:fixed;z-index:19;left:50%;bottom:18px;margin:0;color:#b9bbc5;font-size:.65rem;font-weight:800;letter-spacing:.06em;transform:translateX(-50%)}
.swipe-hint span{display:inline-block;margin-left:6px;animation:bob 1.4s ease-in-out infinite}
.empty-feed{display:grid;min-height:100svh;place-items:center;text-align:center}
.empty-feed a{color:#fff}
@keyframes bob{50%{transform:translateY(4px)}
}

@media(max-width:820px){.short-header{height:58px;padding:0 14px}
.short-header nav a{padding:7px 10px}
.short-header nav a:last-child{display:none}
.feed-tools{top:70px;left:12px;right:12px}
.filter-strip{max-width:calc(100vw - 75px)}
.short-slide{display:block;min-height:100svh;padding:104px 0 0}
.short-slide:before{background:radial-gradient(circle at 50% 36%,var(--glow,rgba(232,92,58,.2)),transparent 46%)}
.video-shell{width:min(100vw,calc((100svh - 104px)*.5625));height:min(calc(100svh - 104px),177.78vw);margin:0 auto;border-radius:16px 16px 0 0}
.short-copy{position:absolute;z-index:3;left:0;right:0;bottom:0;padding:90px 20px 30px;background:linear-gradient(180deg,transparent,rgba(5,6,9,.92) 45%,rgba(5,6,9,.98))}
.short-copy h2{max-width:15em;margin:12px 0 7px;font-size:1.55rem}
.short-copy>p{display:-webkit-box;overflow:hidden;font-size:.78rem;line-height:1.6;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.creator{margin-top:12px}
.short-actions{margin-top:14px}
.source-note{display:none}
.feed-nav{display:none}
.swipe-hint{bottom:8px}
.feed-progress i{width:22px}
}

@media(max-width:480px){.short-brand{font-size:0}
.short-brand>span{width:22px}
.short-header nav{margin-left:auto}
.short-header nav a{font-size:.7rem}
.short-actions a{padding:9px 12px}
.short-copy .eyebrow span{padding:5px 8px}
}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.swipe-hint span{animation:none}
}

.sound-toggle{position:fixed;z-index:19;right:28px;bottom:24px;display:flex;gap:8px;align-items:center;padding:10px 13px;border:1px solid var(--line);border-radius:99px;color:#fff;background:rgba(16,17,22,.76);font-size:.72rem;cursor:pointer;backdrop-filter:blur(10px)}
.sound-toggle b{font:inherit}
.sound-toggle[aria-pressed="true"]{border-color:rgba(255,138,102,.75);background:rgba(185,61,36,.90)}

.speed-control{position:fixed;z-index:20;right:28px;bottom:76px}
.speed-toggle{display:flex;min-width:76px;gap:7px;align-items:center;justify-content:center;padding:10px 13px;border:1px solid var(--line);border-radius:99px;color:#fff;background:rgba(16,17,22,.82);font-size:.72rem;font-weight:900;cursor:pointer;backdrop-filter:blur(10px)}
.speed-toggle span{font-variant-numeric:tabular-nums}
.speed-toggle b{font:inherit;color:#c8cad2}
.speed-toggle[aria-expanded="true"]{border-color:rgba(255,138,102,.72);background:rgba(38,39,47,.96)}
.speed-panel{position:absolute;right:0;bottom:52px;width:min(300px,calc(100vw - 28px));padding:15px 16px 13px;border:1px solid rgba(255,255,255,.17);border-radius:15px;color:#fff;background:rgba(24,25,32,.96);box-shadow:0 16px 48px rgba(0,0,0,.42);backdrop-filter:blur(16px)}
.speed-panel[hidden]{display:none}
.speed-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:11px;font-size:.72rem;font-weight:800}
.speed-panel output{color:#ff9a7c;font-size:.88rem;font-variant-numeric:tabular-nums}
.speed-panel input{display:block;width:100%;height:26px;margin:0;accent-color:#ff8a66;cursor:grab;touch-action:none}
.speed-panel input:active{cursor:grabbing}
.speed-panel input:disabled{opacity:.45;cursor:not-allowed}
.speed-scale{display:grid;align-items:start;margin-top:2px;color:#8f929e;font-size:.55rem;font-variant-numeric:tabular-nums;text-align:center}
.speed-scale span:first-child{text-align:left}
.speed-scale span:last-child{text-align:right}

.compact-meta{display:block}
.details-trigger{display:none}
.detail-sheet{width:min(620px,100%);max-width:none;max-height:min(72svh,720px);margin:auto auto 0;padding:0;border:1px solid rgba(255,255,255,.14);border-radius:22px 22px 0 0;color:var(--ink);background:#17181f;box-shadow:0 -22px 70px rgba(0,0,0,.45)}
.detail-sheet::backdrop{background:rgba(4,5,8,.68);backdrop-filter:blur(3px)}
.detail-sheet-inner{position:relative;max-height:min(72svh,720px);overflow-y:auto;padding:27px 24px calc(28px + env(safe-area-inset-bottom))}
.detail-close{position:absolute;top:15px;right:16px;display:grid;width:36px;height:36px;place-items:center;border:1px solid var(--line);border-radius:50%;color:#fff;background:#25262e;font-size:1.35rem;line-height:1;cursor:pointer}
.detail-eyebrow{display:flex;gap:7px;padding-right:48px}
.detail-eyebrow span{padding:6px 9px;border:1px solid var(--line);border-radius:99px;color:#dfe1e8;font-size:.72rem;font-weight:800}
.detail-sheet h2{max-width:19em;margin:20px 48px 10px 0;font-size:1.55rem;line-height:1.35;letter-spacing:-.035em}
.detail-creator{display:flex;gap:9px;align-items:center;color:#e3e4e9;font-size:.8rem}
.detail-creator b{display:grid;width:30px;height:30px;place-items:center;border-radius:50%;color:#171821;background:#ffe0d6}
.detail-sheet p{margin:20px 0 0;color:#c3c5ce;font-size:.92rem;line-height:1.8}
.detail-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.detail-actions a{padding:11px 15px;border:1px solid var(--line);border-radius:9px;color:#f4f5f8;font-size:.78rem;font-weight:900;text-decoration:none}
.detail-actions a.primary{border-color:#ff9a7c;background:#c9472c}
.detail-sheet small{display:block;margin-top:20px;color:#858895;font-size:.69rem;line-height:1.65}

@media(max-width:820px){.short-copy{padding:52px 68px calc(16px + env(safe-area-inset-bottom)) 16px;background:linear-gradient(180deg,transparent,rgba(5,6,9,.76) 43%,rgba(5,6,9,.94));pointer-events:none}
.short-copy .eyebrow,.short-copy>p,.short-copy>.short-actions,.short-copy>.source-note{display:none}
.short-copy h2{display:-webkit-box;max-width:none;margin:0;overflow:hidden;font-size:1.08rem;line-height:1.35;letter-spacing:-.025em;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.compact-meta{display:flex;gap:10px;align-items:center;margin-top:9px}
.compact-meta .creator{min-width:0;flex:1;margin:0;font-size:.71rem}
.compact-meta .creator b{width:27px;height:27px;flex:0 0 auto;font-size:.67rem}
.compact-meta .creator span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.details-trigger{display:block;flex:0 0 auto;padding:7px 10px;border:1px solid rgba(255,255,255,.34);border-radius:99px;color:#fff;background:rgba(18,19,25,.62);font-size:.68rem;font-weight:900;cursor:pointer;backdrop-filter:blur(8px);pointer-events:auto}
.sound-toggle{right:14px;bottom:86px;padding:9px 11px}
.sound-toggle b{display:none}
.speed-control{right:14px;bottom:136px}
.speed-toggle{min-width:50px;padding:9px 10px}
.speed-toggle b{display:none}
.speed-panel{right:0;bottom:48px;width:min(280px,calc(100vw - 28px))}
.sheet-open .sound-toggle,.sheet-open .speed-control,.sheet-open .swipe-hint{visibility:hidden}
}

@media(max-width:480px){.detail-sheet-inner{padding:25px 18px calc(24px + env(safe-area-inset-bottom))}
.detail-sheet h2{font-size:1.3rem}
}
.watch-pause{width:min(520px,calc(100% - 32px));padding:0;border:1px solid rgba(255,255,255,.16);border-radius:20px;color:#fff;background:#202129;box-shadow:0 30px 100px rgba(0,0,0,.55)}.watch-pause::backdrop{background:rgba(4,5,8,.78);backdrop-filter:blur(6px)}.watch-pause-inner{padding:38px}.watch-pause-inner>p{margin:0;color:#ff9c80;font:900 .68rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.14em}.watch-pause h2{margin:11px 0 15px;font-size:clamp(2rem,6vw,3.3rem);line-height:1.14;letter-spacing:-.055em}.watch-pause-inner>span{display:block;color:#bfc2cc;font-size:.84rem;line-height:1.75}.watch-pause button,.watch-pause a{display:block;width:100%;padding:14px 17px;border-radius:9px;font-size:.78rem;font-weight:900;text-align:center;text-decoration:none;cursor:pointer}.watch-pause-start{margin-top:28px;border:0;color:#251c1a;background:#ff9c80}.watch-pause-diagnosis{margin-top:9px;border:1px solid rgba(255,156,128,.48);color:#ffd5c8;background:rgba(255,156,128,.08)}.watch-pause-continue{margin-top:9px;border:1px solid rgba(255,255,255,.18);color:#fff;background:transparent}@media(max-width:480px){.watch-pause-inner{padding:30px 22px}.watch-pause h2{font-size:2.25rem}}
.watch-pause h2{font-size:clamp(2rem,4vw,2.2rem)}
.watch-pause h2 span{display:block}
@media(min-width:600px){.watch-pause h2 span{white-space:nowrap}}