/* Owatube — YouTube風のダーク一枚。PC: 固定ヘッダー＋左レール＋グリッド / スマホ: 上バー＋下タブ＋1列 */
:root{
  --bg:#0f0f0f;
  --raise:#212121;
  --raise-2:#272727;
  --hover:#3a3a3a;
  --sheet:#212121;
  --line:#303030;
  --fg:#f1f1f1;
  --muted:#aaaaaa;
  --inv-bg:#f1f1f1;
  --inv-fg:#0f0f0f;
  --accent:#8b3dff;
  --link:#3ea6ff;
  --danger:#ff5a5a;
  --font-ui:"Noto Sans JP","Hiragino Sans","Yu Gothic UI",system-ui,sans-serif;
  --font-mark:"Roboto","Helvetica Neue",Arial,sans-serif;
  --top:56px;
  --tabs:0px;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  color-scheme:dark;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--fg)}
body{font-family:var(--font-ui);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;padding-bottom:calc(var(--tabs) + var(--safe-b))}
img{max-width:100%}
[hidden]{display:none!important}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
input,textarea,select{font:inherit;color:var(--fg)}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
svg.i{width:24px;height:24px;fill:currentColor;flex:none}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:40;height:calc(var(--top) + var(--safe-t));padding-top:var(--safe-t);display:flex;align-items:center;gap:8px;padding-inline:16px;background:var(--bg)}
.top-left{display:flex;align-items:center;gap:12px;flex:none}
.icon-btn{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;position:relative;flex:none}
.icon-btn:hover{background:var(--raise-2)}
.icon-btn:active{background:var(--hover)}
.brand{display:flex;align-items:center;gap:6px;padding:4px 6px 4px 2px}
.brand img{height:30px;width:auto}
.brand b{font-family:var(--font-mark);font-weight:700;font-size:20px;letter-spacing:-.4px;line-height:1}
.brand sup{font-family:var(--font-mark);font-size:10px;color:var(--muted);font-weight:500;align-self:flex-start;margin-top:2px}
.top-mid{flex:1;display:flex;justify-content:center;min-width:0}
.search{display:flex;flex:1;max-width:640px;min-width:0;height:40px;align-items:center}
.search input{flex:1;min-width:0;height:40px;background:#121212;border:1px solid var(--line);border-right:0;border-radius:40px 0 0 40px;padding:0 16px;font-size:16px;outline:none;-webkit-appearance:none;appearance:none}
.search input:focus{border-color:#1c62b9}
.search .sbtn{width:64px;height:40px;border:1px solid var(--line);background:var(--raise);border-radius:0 40px 40px 0;display:grid;place-items:center}
.search .sbtn:hover{background:var(--hover)}
.top-right{display:flex;align-items:center;gap:4px;flex:none}
.create{display:flex;align-items:center;gap:6px;height:36px;padding:0 14px 0 10px;border-radius:18px;background:var(--raise-2);font-weight:500;margin-right:4px}
.create:hover{background:var(--hover)}
.dot{position:absolute;top:7px;right:8px;width:8px;height:8px;border-radius:50%;background:var(--accent);border:2px solid var(--bg)}
.me-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%}
.me{width:32px;height:32px;border-radius:50%;object-fit:cover;display:block;background:var(--raise-2)}
.only-phone{display:none!important}

/* ---------- layout ---------- */
.shell{display:flex;align-items:flex-start}
.side{position:sticky;top:calc(var(--top) + var(--safe-t));width:240px;flex:none;height:calc(100vh - var(--top) - var(--safe-t));overflow-y:auto;padding:12px;scrollbar-width:thin}
.nav{display:flex;align-items:center;gap:24px;width:100%;height:40px;padding:0 12px;border-radius:10px;text-align:left}
.nav:hover{background:var(--raise-2)}
.nav.on{background:var(--raise-2);font-weight:500}
.side hr{border:0;border-top:1px solid var(--line);margin:12px 0}
.side h4{margin:0;padding:6px 12px;font-size:16px;font-weight:500}
.nav .av{width:24px;height:24px;border-radius:50%;object-fit:cover}
.nav span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-foot{padding:12px;color:#717171;font-size:12px;line-height:1.7}
body.mini .side{width:72px;padding:4px}
body.mini .nav{flex-direction:column;gap:4px;height:auto;padding:16px 0 14px;font-size:10px;justify-content:center}
body.mini .side hr,body.mini .side h4,body.mini .side .chs,body.mini .side-foot{display:none}
body[data-page="watch"] .side,body[data-page="shorts"] .side{display:none}
main{flex:1;min-width:0;padding:0 24px 64px}

.scrim{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55}
body.drawer .side{display:block!important;position:fixed;top:0;left:0;bottom:0;height:auto;z-index:60;background:var(--bg);width:240px!important;padding:calc(var(--safe-t) + 12px) 12px 12px!important}
body.drawer .side .nav{flex-direction:row!important;gap:24px!important;height:40px!important;padding:0 12px!important;font-size:14px!important;justify-content:flex-start!important}
body.drawer .side hr,body.drawer .side h4,body.drawer .side .chs,body.drawer .side-foot{display:block!important}

/* ---------- chips ---------- */
.chips{position:sticky;top:calc(var(--top) + var(--safe-t));z-index:20;background:var(--bg);display:flex;gap:12px;padding:12px 0 18px;overflow-x:auto;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;height:32px;padding:0 14px;border-radius:8px;background:var(--raise-2);font-weight:500;white-space:nowrap}
.chip:hover{background:var(--hover)}
.chip.on{background:var(--inv-bg);color:var(--inv-fg)}

/* ---------- grid / cards ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:40px 16px}
.card{display:flex;flex-direction:column;gap:12px;min-width:0}
.thumb{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:12px;overflow:hidden;background:var(--raise)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.card:hover .thumb img{transform:scale(1.02)}
.dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.8);color:#fff;font-size:12px;font-weight:500;padding:1px 5px;border-radius:5px;font-variant-numeric:tabular-nums}
.meta{display:flex;gap:12px;min-width:0}
.meta .av{width:36px;height:36px;border-radius:50%;object-fit:cover;flex:none;background:var(--raise-2)}
.meta .txt{min-width:0;display:flex;flex-direction:column;gap:3px}
.vt{font-size:16px;font-weight:500;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.sub{color:var(--muted);font-size:14px;line-height:1.45}
.chl{cursor:pointer}
.chl:hover{color:var(--fg)}
.heading{font-size:20px;font-weight:700;margin:20px 0 18px;text-wrap:balance}
.more-sentinel{height:1px}
.loading{display:flex;justify-content:center;padding:48px 0}
.spin{width:36px;height:36px;border-radius:50%;border:3px solid var(--raise-2);border-top-color:var(--fg);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* skeleton */
.sk .thumb,.sk .av,.sk .line{background:var(--raise);animation:pulse 1.2s ease-in-out infinite}
.sk .line{height:14px;border-radius:4px}
@keyframes pulse{50%{opacity:.55}}

/* ---------- empty ---------- */
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:72px 16px;color:var(--muted)}
.empty img{width:96px;opacity:.9}
.empty h2{margin:0;color:var(--fg);font-size:20px;font-weight:500;text-wrap:balance}
.empty p{margin:0;max-width:34em}
.pill-btn{height:36px;padding:0 16px;border-radius:18px;background:var(--inv-bg);color:var(--inv-fg);font-weight:500;display:inline-flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap;cursor:pointer}
.pill-btn:hover{opacity:.88}
.pill-btn.ghost{background:var(--raise-2);color:var(--fg)}
.pill-btn.ghost:hover{background:var(--hover);opacity:1}
.pill-btn.danger{background:transparent;color:var(--danger);border:1px solid #5a2a2a}
.pill-btn[disabled]{opacity:.4;cursor:default}

/* ---------- channel ---------- */
.chhead{display:flex;align-items:center;gap:24px;padding:28px 0 24px;flex-wrap:wrap}
.chhead > img{width:120px;height:120px;border-radius:50%;object-fit:cover;background:var(--raise-2)}
.chhead h1{margin:0 0 4px;font-size:32px;font-weight:700;line-height:1.2;word-break:break-word}
.chhead .btns{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.tabline{border-bottom:1px solid var(--line);margin-bottom:24px;display:flex;gap:24px}
.tabline span{padding:10px 0;border-bottom:2px solid var(--fg);font-weight:500}

/* ---------- my page ---------- */
.mehead{display:flex;align-items:center;gap:16px;padding:24px 0}
.mehead img{width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--raise-2)}
.mehead h1{margin:0;font-size:24px;line-height:1.3;word-break:break-word}
.mehead .sub a{color:var(--muted)}
.rowhead{display:flex;align-items:center;justify-content:space-between;margin:24px 0 12px}
.rowhead h2{margin:0;font-size:20px}
.hrow{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,240px);gap:12px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin}
.hrow .vt{font-size:14px}
.hrow .meta .av{display:none}
.list{display:flex;flex-direction:column}
.list a,.list button{display:flex;align-items:center;gap:20px;height:48px;padding:0 4px;text-align:left;width:100%}
.list a:active,.list button:active{background:var(--raise-2)}

/* ---------- watch ---------- */
.watch{display:grid;grid-template-columns:minmax(0,1fr) 402px;gap:24px;padding-top:24px;max-width:1760px;margin:0 auto}
.player{position:relative;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9;max-width:100%}
.player video{width:100%;height:100%;display:block;background:#000}
.wtitle{font-size:20px;font-weight:700;line-height:1.4;margin:12px 0 10px;word-break:break-word}
.wbar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.owner{display:flex;align-items:center;gap:12px;min-width:0}
.owner .av{width:40px;height:40px;border-radius:50%;object-fit:cover;background:var(--raise-2)}
.owner .nm{font-size:16px;font-weight:500;line-height:1.3;word-break:break-word}
.owner .sc{color:var(--muted);font-size:12px}
.subbtn{height:36px;padding:0 16px;border-radius:18px;background:var(--inv-bg);color:var(--inv-fg);font-weight:500;margin-left:12px;white-space:nowrap;flex:none}
.subbtn.on{background:var(--raise-2);color:var(--fg)}
.acts{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;max-width:100%}
.acts::-webkit-scrollbar{display:none}
.seg{display:flex;background:var(--raise-2);border-radius:18px;height:36px;overflow:hidden;flex:none}
.seg button{display:flex;align-items:center;gap:6px;padding:0 14px;height:100%}
.seg button:hover{background:var(--hover)}
.seg button+button{border-left:1px solid #4a4a4a}
.seg svg.i,.act svg.i{width:22px;height:22px}
.act{display:flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:18px;background:var(--raise-2);font-weight:500;flex:none;white-space:nowrap}
.act:hover{background:var(--hover)}
.act.danger{color:var(--danger)}
.desc{background:var(--raise);border-radius:12px;padding:12px;margin-top:14px;word-break:break-word;cursor:pointer}
.desc:hover{background:var(--raise-2)}
.desc .st{font-weight:500;margin-bottom:2px;font-variant-numeric:tabular-nums}
.desc .tag{color:var(--link);margin-left:8px}
.desc .body{white-space:pre-wrap}
.desc .clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.desc .more{font-weight:500;margin-top:4px}
.teaser{display:none}

.cmts{margin-top:24px}
.cmts-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.cmts-h h3{font-size:20px;font-weight:700;margin:0}
.cmts-h .icon-btn{display:none}
.cform{display:flex;gap:16px;margin-bottom:28px}
.cform img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;background:var(--raise-2)}
.cform .f{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.cform textarea{background:none;border:0;border-bottom:1px solid var(--line);padding:4px 0 6px;outline:none;resize:none;min-height:32px;line-height:1.5;font-size:16px}
.cform textarea:focus{border-bottom:2px solid var(--fg)}
.cform .row{display:flex;justify-content:flex-end;gap:8px}
.cmt{display:flex;gap:16px;margin-bottom:22px}
.cmt img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;background:var(--raise-2)}
.cmt .b{min-width:0;flex:1}
.cmt .h{font-size:13px;font-weight:500}
.cmt .h time{color:var(--muted);font-weight:400;margin-left:6px}
.cmt p{margin:2px 0 0;white-space:pre-wrap;word-break:break-word}
.cmt .del{color:var(--muted);font-size:12px;margin-top:4px}
.cmt .del:hover{color:var(--danger)}
.cmt-list{min-height:40px}
.signin-note{color:var(--muted);margin:0 0 24px}
.signin-note button{color:var(--link);font-weight:500}

.next h2{font-size:18px;font-weight:700;margin:0 0 14px}
.ncard{display:grid;grid-template-columns:168px minmax(0,1fr);gap:10px;margin-bottom:10px}
.ncard .thumb{border-radius:8px}
.ncard .vt{font-size:14px}
.ncard .sub{font-size:12px}
.nf{color:var(--muted);padding:80px 16px;text-align:center}
.nf h2{color:var(--fg)}

/* ---------- shorts ---------- */
.shorts{height:calc(100vh - var(--top) - var(--safe-t));overflow-y:auto;scroll-snap-type:y mandatory;scrollbar-width:none;margin:0 -24px -64px}
.shorts::-webkit-scrollbar{display:none}
.short{height:100%;scroll-snap-align:start;scroll-snap-stop:always;display:flex;justify-content:center;align-items:center;padding:16px 0;gap:16px}
.short .frame{position:relative;height:100%;aspect-ratio:9/16;max-width:100%;background:#000;border-radius:12px;overflow:hidden}
.short video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.short .ov{position:absolute;left:0;right:0;bottom:0;padding:48px 72px 16px 16px;background:linear-gradient(transparent,rgba(0,0,0,.75));pointer-events:none}
.short .ov *{pointer-events:auto}
.short .who{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-weight:500;color:#fff}
.short .who img{width:32px;height:32px;border-radius:50%;object-fit:cover;background:#333}
.short .who .subbtn{height:30px;padding:0 12px;font-size:13px;margin-left:4px}
.short .ttl{color:#fff;font-size:15px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.short .rail{display:flex;flex-direction:column;gap:16px;align-self:flex-end;padding-bottom:8px}
.short .rail button,.short .rail a{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:500}
.short .rail .c{width:48px;height:48px;border-radius:50%;background:var(--raise-2);display:grid;place-items:center}
.short .rail .c:hover{background:var(--hover)}
.short .mute{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.5);display:grid;place-items:center;color:#fff}
.short .tap{position:absolute;inset:0 0 120px 0}
.short .prog{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.25)}
.short .prog i{display:block;height:100%;width:0;background:#fff}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.6);display:grid;place-items:center;padding:16px}
.dialog{background:#282828;border-radius:14px;width:min(960px,100%);max-height:calc(100dvh - 32px);display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.dialog.small{width:min(480px,100%)}
.dlg-h{display:flex;align-items:center;justify-content:space-between;padding:12px 12px 12px 24px;border-bottom:1px solid #3d3d3d;flex:none}
.dlg-h h2{margin:0;font-size:20px;font-weight:500}
.dlg-b{padding:20px 24px;overflow-y:auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;-webkit-overflow-scrolling:touch}
.dlg-b.one{grid-template-columns:minmax(0,1fr);gap:16px}
.dlg-f{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-top:1px solid #3d3d3d;flex:none}
.dlg-f .stat{color:var(--muted);font-size:13px;min-width:0}
.bar{height:4px;background:#3d3d3d;flex:none}
.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.drop{border:2px dashed #4a4a4a;border-radius:12px;padding:36px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;color:var(--muted)}
.drop.over{border-color:var(--accent);background:rgba(139,61,255,.08)}
.drop .big{width:96px;height:96px;border-radius:50%;background:#1f1f1f;display:grid;place-items:center}
.drop .big svg{width:48px;height:48px;fill:var(--muted)}
.drop strong{color:var(--fg);font-size:15px;font-weight:500}
.fld{display:flex;flex-direction:column;gap:6px;border:1px solid #4a4a4a;border-radius:8px;padding:8px 12px;margin-bottom:16px}
.fld:focus-within{border-color:var(--link)}
.fld label{font-size:12px;color:var(--muted)}
.fld input,.fld textarea,.fld select{background:none;border:0;outline:none;padding:0;resize:vertical;font-size:16px}
.fld select option{background:#282828}
.fld .cnt{align-self:flex-end;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.side-card{background:#1f1f1f;border-radius:10px;overflow:hidden;align-self:start}
.side-card .thumb{border-radius:0}
.side-card .inf{padding:12px;display:flex;flex-direction:column;gap:8px;font-size:13px}
.side-card .inf .k{color:var(--muted);font-size:12px}
.side-card .inf .fn{word-break:break-all}
.linkish{color:var(--link);font-weight:500;cursor:pointer;font-size:13px;text-align:left}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.err{color:var(--danger)}
.avpick{display:flex;align-items:center;gap:16px}
.avpick img{width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--raise-2)}
.note{color:var(--muted);font-size:13px;margin:0}
.codebox{display:flex;gap:8px;align-items:center;background:#1a1a1a;border-radius:8px;padding:8px 8px 8px 12px}
.codebox code{flex:1;min-width:0;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;word-break:break-all;user-select:all}
.danger-zone{border-top:1px solid #3d3d3d;padding-top:16px;display:flex;flex-direction:column;gap:10px}
details summary{cursor:pointer;color:var(--muted);font-size:13px}
.actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}

/* ---------- popovers / toast ---------- */
.pop{position:fixed;z-index:70;top:calc(var(--top) + var(--safe-t) - 4px);right:16px;width:min(420px,calc(100vw - 32px));background:#282828;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.5);padding:8px 0;max-height:70vh;overflow-y:auto}
.pop h3{margin:0;padding:8px 16px 12px;font-size:16px;font-weight:500;border-bottom:1px solid #3d3d3d}
.pop .it{display:grid;grid-template-columns:40px minmax(0,1fr) 96px;gap:12px;padding:12px 16px;width:100%;text-align:left;align-items:start}
.pop .it:hover{background:var(--hover)}
.pop .it img.av{width:40px;height:40px;border-radius:50%;object-fit:cover}
.pop .it .thumb{border-radius:6px}
.pop .none{padding:24px 16px;color:var(--muted)}
.toast{position:fixed;left:16px;bottom:calc(16px + var(--tabs) + var(--safe-b));z-index:90;background:#f1f1f1;color:#0f0f0f;padding:12px 18px;border-radius:8px;font-weight:500;max-width:calc(100vw - 32px);box-shadow:0 6px 20px rgba(0,0,0,.4)}

/* ---------- bottom tabs (phone) ---------- */
.tabs{display:none}

/* ---------- tablet ---------- */
@media (max-width:1100px){.watch{grid-template-columns:minmax(0,1fr)}}
@media (max-width:860px){
  .side{display:none}
  main{padding:0 16px 48px}
  .dlg-b{grid-template-columns:minmax(0,1fr)}
  .shorts{margin:0 -16px -48px}
}

/* ---------- phone ---------- */
@media (max-width:640px){
  :root{--top:48px;--tabs:56px}
  .only-wide,.only-wide-i{display:none!important}
  .only-phone{display:grid!important}
  .top{padding-inline:12px 4px;gap:0}
  .brand img{height:26px}
  .brand b{font-size:18px}
  .top-mid{display:none}
  body.searching .top-left,body.searching .top-right{display:none}
  body.searching .top-mid{display:flex}
  body.searching .top{padding-inline:4px 12px}
  .search{max-width:none;height:36px;gap:4px}
  .search input{height:36px;border-radius:18px;border:0;background:var(--raise-2);padding:0 14px}
  .search .sbtn{display:none}

  .tabs{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--bg);border-top:1px solid #222;height:calc(var(--tabs) + var(--safe-b));padding-bottom:var(--safe-b)}
  .tabs a,.tabs button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--fg);min-width:0}
  .tabs span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;padding:0 2px}
  .tabs .plus{width:44px;height:32px;border-radius:16px;border:1px solid #555;display:grid;place-items:center}
  .tab-av{width:24px;height:24px;border-radius:50%;object-fit:cover;background:var(--raise-2)}
  .tabs a.on .tab-av{outline:2px solid var(--fg);outline-offset:1px}

  main{padding:0 0 32px}
  main > *:not(.grid):not(.shorts):not(.watch):not(.chips):not(.shelf){margin-inline:12px}
  .chips{padding:8px 12px 12px;gap:8px;top:calc(var(--top) + var(--safe-t))}
  .chip{height:32px;padding:0 12px;font-size:14px}
  .grid{grid-template-columns:1fr;gap:20px}
  .card .thumb{border-radius:0}
  .card .meta{padding:0 12px}
  .vt{font-size:15px}
  .sub{font-size:12px}
  .heading{font-size:18px;margin:16px 12px 12px}
  .empty{padding:56px 24px}

  .chhead{gap:16px;padding:20px 12px 16px;flex-wrap:nowrap;align-items:flex-start}
  .chhead > img{width:72px;height:72px}
  .chhead h1{font-size:22px}
  .chhead .btns .subbtn{margin-left:0}
  .tabline{margin-inline:12px}

  /* watch */
  .watch{display:block;padding-top:0}
  .player{position:sticky;top:calc(var(--top) + var(--safe-t));z-index:30;border-radius:0}
  .winfo{padding:0 12px}
  .wtitle{font-size:18px;margin:10px 0 2px}
  .wsub-phone{color:var(--muted);font-size:12px;margin-bottom:10px}
  .desc-inline-stats{display:none}
  .wbar{flex-direction:column;align-items:stretch;gap:12px}
  .owner{justify-content:space-between}
  .owner .who{display:flex;align-items:center;gap:10px;min-width:0}
  .owner .sc{display:inline;margin-left:6px}
  .owner .nm{font-size:14px;display:inline}
  .acts{margin:0 -12px;padding:0 12px}
  .seg,.act{height:34px}
  .desc{margin-top:12px}
  .teaser{display:block;background:var(--raise);border-radius:12px;padding:12px;margin:12px 12px 0;cursor:pointer}
  .teaser .t1{font-weight:700;margin-bottom:6px}
  .teaser .t1 span{color:var(--muted);font-weight:400;margin-left:6px}
  .teaser .t2{display:flex;gap:8px;align-items:center;min-width:0}
  .teaser .t2 img{width:24px;height:24px;border-radius:50%;object-fit:cover;flex:none}
  .teaser .t2 p{margin:0;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cmts{position:fixed;left:0;right:0;bottom:0;z-index:65;margin:0;background:var(--sheet);border-radius:16px 16px 0 0;
        height:calc(100dvh - var(--top) - var(--safe-t) - 56.25vw);display:flex;flex-direction:column;transform:translateY(105%);transition:transform .25s ease;padding-bottom:var(--safe-b)}
  .cmts.open{transform:none;box-shadow:0 -8px 30px rgba(0,0,0,.5)}
  .cmts-h{padding:8px 4px 8px 16px;margin:0;border-bottom:1px solid var(--line);flex:none}
  .cmts-h h3{font-size:16px}
  .cmts-h .icon-btn{display:grid}
  .cmt-list{flex:1;overflow-y:auto;padding:16px 12px 8px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
  .cform{order:2;margin:0;padding:8px 12px;border-top:1px solid var(--line);flex:none;gap:10px;align-items:center}
  .cform img{width:28px;height:28px}
  .cform textarea{background:var(--raise-2);border:0;border-radius:18px;padding:8px 14px;min-height:36px;max-height:120px}
  .cform textarea:focus{border:0}
  .cform .f{flex-direction:row;align-items:flex-end}
  .cform .row{flex:none}
  .cform #cCancel{display:none}
  .signin-note{order:2;padding:12px;margin:0;border-top:1px solid var(--line)}
  .cmt{gap:12px;margin-bottom:18px}
  .cmt img{width:28px;height:28px}
  .next{padding:20px 0 0}
  .next h2{margin:0 12px 12px;font-size:16px}
  .ncard{display:flex;flex-direction:column;gap:10px;margin-bottom:20px}
  .ncard .thumb{border-radius:0}
  .ncard .txt{padding:0 12px}
  .ncard .vt{font-size:15px}

  /* shorts */
  body[data-page="shorts"] .top{display:none}
  body[data-page="shorts"]{background:#000}
  .shorts{height:calc(100dvh - var(--tabs) - var(--safe-b));margin:0}
  .short{padding:0;position:relative;gap:0}
  .short .frame{width:100%;height:100%;aspect-ratio:auto;border-radius:0}
  .short .rail{position:absolute;right:8px;bottom:24px;z-index:2}
  .short .rail .c{background:rgba(0,0,0,.35);width:44px;height:44px}
  .short .mute{top:calc(12px + var(--safe-t))}
  .short .lbl{position:absolute;top:calc(14px + var(--safe-t));left:16px;font-weight:700;font-size:18px;color:#fff;text-shadow:0 1px 4px #000}

  /* dialogs: full screen */
  .modal{padding:0;place-items:end stretch}
  .dialog,.dialog.small{width:100%;max-height:100dvh;height:100dvh;border-radius:0;padding-top:var(--safe-t)}
  .dialog.small{height:auto;max-height:92dvh;border-radius:16px 16px 0 0;padding-top:0;padding-bottom:var(--safe-b)}
  .dlg-h{padding:6px 6px 6px 16px}
  .dlg-h h2{font-size:18px}
  .dlg-b{padding:16px}
  .dlg-f{padding:10px 16px calc(10px + var(--safe-b))}
  .drop{border:0;padding:56px 16px}
  .pop{left:8px;right:8px;width:auto}
  .mehead{padding:20px 0 8px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.only-phone-i{display:none}
@media (max-width:640px){.only-phone-i{display:block}}

.chrow{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.chrow img{width:48px;height:48px;border-radius:50%;object-fit:cover;background:var(--raise-2);flex:none}
#newChFld{margin:-4px 0 16px}
/* 動画の追加は管理者だけ */
body:not(.admin) #createBtn,body:not(.admin) #tabCreate{display:none!important}
@media (max-width:640px){.tabs{grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:1fr}}

/* ショート棚（縦長の動画） */
.shelf{margin:4px 0 36px}
.shelf h2{display:flex;align-items:center;gap:8px;font-size:20px;margin:0 0 14px}
.shelf h2 svg{color:#ff3b5c}
.shelf-row{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(160px,210px);gap:12px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.shelf-row::-webkit-scrollbar{display:none}
.scard{display:flex;flex-direction:column;gap:6px;min-width:0}
.scard .thumb{aspect-ratio:9/16}
.scard .vt{font-size:15px}
.scard .sub{font-size:13px}
.scard:hover .thumb img{transform:scale(1.02)}
@media (max-width:640px){
  .shelf{margin:0 0 24px}
  .shelf h2{margin:4px 12px 10px;font-size:17px}
  .shelf-row{grid-auto-columns:calc((100vw - 36px) / 2.15);padding:0 12px;scroll-padding:0 12px;scroll-snap-type:x mandatory}
  .scard{scroll-snap-align:start}
  .scard .thumb{border-radius:10px}
  .scard .vt{font-size:14px}
}

/* ---------- プレミア公開 ---------- */
.dur.prem{background:rgba(0,0,0,.82);color:#fff}
.dur.live,.livebadge{background:#cc0000;color:#fff}
.livetxt{color:#ff4e45;font-weight:500}
.pbadge{display:inline-block;font-size:11px;font-weight:700;background:#fff;color:#000;border-radius:4px;padding:1px 6px;margin-right:6px;vertical-align:2px}
.pwait{display:grid;place-items:center}
.pw-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.pw-ov{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;color:#fff;padding:16px;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.pw-k{font-size:15px;font-weight:500;opacity:.9}
.pw-cd{font-family:var(--font-mark);font-size:clamp(34px,6vw,64px);font-weight:700;letter-spacing:1px;font-variant-numeric:tabular-nums;line-height:1.1}
.pw-at{font-size:14px;opacity:.9}
.pw-btn{margin-top:10px;display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 18px;border-radius:20px;background:#fff;color:#0f0f0f;font-weight:500;text-shadow:none}
.pw-btn.on{background:rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(6px)}
.pw-btn svg.i{width:20px;height:20px}
.pw-ov.small .pw-cd{font-size:40px}
.act.on{background:var(--inv-bg);color:var(--inv-fg)}
.livebadge{position:absolute;top:12px;left:12px;z-index:2;font-size:12px;font-weight:700;padding:3px 8px;border-radius:4px}
.startcd{position:absolute;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.7);color:#fff;font-family:var(--font-mark);font-size:clamp(64px,14vw,160px);font-weight:700;z-index:3}
.startcd.pop{animation:cdpop .9s ease-out}
@keyframes cdpop{from{transform:scale(1.35);opacity:0}30%{opacity:1}to{transform:scale(1);opacity:1}}
.short.locked .frame{display:grid;place-items:center}
.short .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.55)}
.prembox{border:1px solid #4a4a4a;border-radius:8px;padding:12px;margin-bottom:16px}
.chk{display:flex;gap:10px;align-items:flex-start;cursor:pointer;line-height:1.5}
.chk input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);flex:none}
.chk small{color:var(--muted)}
.pwait{overflow:hidden}
@media (max-width:640px){
  .pw-ov{gap:2px;padding:8px}
  .pw-k,.pw-at{font-size:12px}
  .pw-cd{font-size:30px}
  .pw-btn{height:34px;margin-top:6px;padding:0 14px;font-size:13px}
  .short .pw-ov{gap:6px}
  .short .pw-cd{font-size:38px}
  .short .pw-k,.short .pw-at{font-size:14px}
  .short .pw-btn{height:40px}
}

/* ---- プレミア公開（本家寄せ） ---- */
.pw-card{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center;color:#fff;background:rgba(0,0,0,.62);border-radius:12px;padding:18px 28px;backdrop-filter:blur(4px)}
.pw-card .pw-k{font-size:13px;opacity:.85}
.pw-when{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}
.pw-in{font-size:14px;opacity:.9}
.pw-card .pw-btn{margin-top:10px}
.pw-count{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:#fff;
  background:radial-gradient(circle at 50% 45%,#2a1446 0%,#0b0b0b 70%)}
.pc-k{font-size:15px;letter-spacing:.1em;opacity:.85}
.pc-n{font-family:var(--font-mark);font-size:clamp(56px,11vw,120px);font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.pc-bar{width:min(60%,420px);height:4px;border-radius:2px;background:rgba(255,255,255,.2);overflow:hidden}
.pc-bar i{display:block;height:100%;width:0;background:#fff}
.pc-t{font-size:14px;opacity:.8;max-width:80%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.short .pw-card{margin:auto}

/* ライブチャット（PCは右側） */
.side-col{min-width:0;display:flex;flex-direction:column;gap:16px}
.chatbox{margin:0;border:1px solid var(--line);border-radius:12px;height:min(600px,calc(100vh - 120px));display:flex;flex-direction:column;overflow:hidden;background:var(--bg)}
.chatbox .cmts-h{padding:12px 16px;margin:0;border-bottom:1px solid var(--line)}
.chatbox .cmts-h h3{font-size:16px}
.chatbox .cmt-list{flex:1;overflow-y:auto;padding:8px 12px}
.chatbox #cFormBox{display:contents}
.chatbox .cform,.chatbox .signin-note{order:2;margin:0;padding:10px 12px;border-top:1px solid var(--line);gap:10px;align-items:center}
.chatbox .cform img{width:24px;height:24px}
.chatbox .cform .f{flex-direction:row;align-items:center}
.chatbox .cform textarea{background:var(--raise-2);border:0;border-radius:18px;padding:7px 14px;min-height:34px;font-size:14px}
.chatbox .cform #cCancel{display:none}
.chatmsg{display:flex;gap:10px;align-items:flex-start;padding:4px 0}
.chatmsg img{width:24px;height:24px;border-radius:50%;object-fit:cover;flex:none;background:var(--raise-2)}
.chatmsg p{margin:2px 0 0;font-size:13px;line-height:1.5;word-break:break-word;flex:1;min-width:0}
.chatmsg .cn{color:var(--muted);margin-right:8px;font-weight:500}
.chatmsg .del{color:var(--muted);font-size:14px;padding:0 4px}
.chat-empty{padding:24px 4px;text-align:center}
@media (max-width:1100px){.watch.chatmode .chatbox{height:420px}}
@media (max-width:640px){
  .side-col{display:block}
  .chatbox{border:0;border-radius:16px 16px 0 0;height:calc(100dvh - var(--top) - var(--safe-t) - 56.25vw)!important;background:var(--sheet)}
  .pw-card{padding:10px 16px;gap:2px}
  .pw-when{font-size:16px}
  .pw-card .pw-btn{margin-top:6px}
  .pc-k{font-size:12px}
}

/* サムネイル選択 */
.thsec{margin-bottom:16px}
.thsec-h{display:flex;flex-direction:column;gap:2px;margin-bottom:10px}
.thsec-h small{color:var(--muted);font-size:12px;line-height:1.5}
.thopts{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px}
.thopt{position:relative;display:flex;flex-direction:column;gap:4px;align-items:stretch;text-align:left;cursor:pointer;min-width:0}
.thopt img,.thopt.up span,.thopt.wait{aspect-ratio:16/9;width:100%;object-fit:cover;border-radius:8px;background:#1f1f1f;border:2px solid transparent;display:block}
.thopt.v img,.thopt.v.up span,.thopt.v.wait{aspect-ratio:9/16}
.thopt.on img{border-color:var(--fg)}
.thopt.on::after{content:"✓";position:absolute;top:6px;right:6px;width:22px;height:22px;border-radius:50%;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-size:13px;font-weight:700}
.thopt small{color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thopt.up span{border:2px dashed #555;display:grid;place-items:center;font-size:26px;color:var(--muted)}
.thopt.up:hover span{border-color:var(--fg);color:var(--fg)}
.thopt.wait{display:grid;place-items:center}
.ethumb{display:flex;gap:14px;align-items:center}
.ethumb .thumb{width:160px;flex:none;border-radius:8px}
.ethumb .thumb.v{width:90px;aspect-ratio:9/16}
@media (max-width:640px){.thopts{grid-template-columns:repeat(3,1fr)}}

/* ---------- サムネイル：切り抜かずに表示（B5の縦・横対応） ---------- */
.thumb{isolation:isolate}
.thumb::before{content:"";position:absolute;inset:-16px;z-index:-1;background:var(--th,none) center/cover no-repeat;filter:blur(18px) brightness(.5)}
.thumb img{object-fit:contain}
.thumb .dur{z-index:1}
.dur.prem{display:inline-flex;align-items:center;gap:4px}
/* プレミア公開：プレーヤーの場所にサムネイル */
.pwait{isolation:isolate;display:grid;place-items:center;overflow:hidden}
.pwait::before{content:"";position:absolute;inset:-24px;z-index:-1;background:var(--th) center/cover no-repeat;filter:blur(24px) brightness(.45)}
.pw-img{width:100%;height:100%;object-fit:contain;display:block}
.pw-tag{position:absolute;left:12px;bottom:12px;display:inline-flex;align-items:center;gap:6px;background:rgba(0,0,0,.72);color:#fff;font-size:13px;font-weight:500;padding:5px 10px 5px 8px;border-radius:6px}
.pw-tag svg.i{width:18px;height:18px;color:#ff3b5c}
.short .pposter{position:absolute;inset:0;isolation:isolate;display:grid;place-items:center;overflow:hidden}
.short .pposter::before{content:"";position:absolute;inset:-24px;z-index:-1;background:var(--th) center/cover;filter:blur(24px) brightness(.45)}
.short .pposter img{width:100%;height:100%;object-fit:contain}
.short .pw-tag{top:calc(56px + var(--safe-t));bottom:auto;left:16px}
@media (min-width:641px){.short .pw-tag{top:16px}}
.umodes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.side-card .thumb.v{aspect-ratio:3/4}