:root{--bg:#fff;--bg2:#f2f2f2;--bg3:#e5e5e5;--tx:#0f0f0f;--tx2:#606060;--line:#e5e5e5;--hover:rgba(0,0,0,.06);--red:#ff2d3d;--blue:#065fd4;--btn:#0f0f0f;--btntx:#fff;--top:#fff}
:root{color-scheme:light}
:root[data-theme=dark]{--bg:#0f0f0f;--bg2:#272727;--bg3:#3f3f3f;--tx:#f1f1f1;--tx2:#aaa;--line:#303030;--hover:rgba(255,255,255,.1);--blue:#3ea6ff;--btn:#f1f1f1;--btntx:#0f0f0f;--top:#0f0f0f;color-scheme:dark}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f0f0f;--bg2:#272727;--bg3:#3f3f3f;--tx:#f1f1f1;--tx2:#aaa;--line:#303030;--hover:rgba(255,255,255,.1);--blue:#3ea6ff;--btn:#f1f1f1;--btntx:#0f0f0f;--top:#0f0f0f;color-scheme:dark}}
*{box-sizing:border-box}html{scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--tx);font:14px/1.5 "Roboto","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,system-ui,sans-serif}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}
.ic{display:block;flex:none}.muted{color:var(--tx2)}.avatar{border-radius:50%;object-fit:cover;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:500;flex:none}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.top{position:fixed;inset:0 0 auto 0;height:56px;background:var(--top);display:flex;align-items:center;justify-content:space-between;padding:0 16px;z-index:50;gap:12px}
.top .left,.top .right{display:flex;align-items:center;gap:8px;min-width:0}.top .right{justify-content:flex-end;min-width:150px}
.logo{display:flex;align-items:center;gap:6px;font-weight:700;font-size:19px;letter-spacing:-.5px}
.icon-btn{background:none;border:0;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.icon-btn:hover{background:var(--hover)}
.search{display:flex;flex:0 1 640px;min-width:0}
.search input{flex:1;min-width:0;height:40px;border:1px solid var(--line);border-right:0;border-radius:40px 0 0 40px;padding:0 16px;background:var(--bg);outline:0}
.search input:focus{border-color:var(--blue)}
.search button{width:64px;height:40px;border:1px solid var(--line);border-radius:0 40px 40px 0;background:var(--bg2);cursor:pointer;display:flex;align-items:center;justify-content:center}
.create,.signin{display:flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:18px;background:var(--bg2);font-weight:500}.create:hover{background:var(--bg3)}
.signin{border:1px solid var(--line);color:var(--blue)}
.menu-wrap{position:relative}.popup{position:absolute;right:0;top:46px;width:280px;background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 4px 32px rgba(0,0,0,.25);padding:8px 0;z-index:60}
.popup[hidden]{display:none}.popup a{display:flex;gap:16px;align-items:center;padding:10px 16px}.popup a:hover{background:var(--hover)}
.pu-head{display:flex;gap:12px;padding:8px 16px 12px;border-bottom:1px solid var(--line);margin-bottom:6px}.pu-head div{display:flex;flex-direction:column;min-width:0}.pu-head small{color:var(--tx2);overflow:hidden;text-overflow:ellipsis}
.side{position:fixed;top:56px;bottom:0;left:0;width:240px;padding:12px;overflow-y:auto;background:var(--bg);z-index:40}
.side a{display:flex;align-items:center;gap:24px;height:40px;padding:0 12px;border-radius:10px}.side a:hover{background:var(--hover)}.side a.on{background:var(--bg2);font-weight:500}
.side hr{border:0;border-top:1px solid var(--line);margin:12px 0}
.main{margin:56px 0 0 240px;padding:0 24px 40px;min-height:calc(100vh - 56px)}
body.mini .side{width:72px;padding:4px}body.mini .side a{flex-direction:column;gap:6px;height:74px;justify-content:center;font-size:10px;padding:0;text-align:center}body.mini .side hr{display:none}body.mini .main{margin-left:72px}
body.mini .side a:nth-child(n+4){display:none}
.scrim{display:none}
.chips{display:flex;gap:12px;overflow-x:auto;padding:12px 0;position:sticky;top:56px;background:var(--bg);z-index:10;scrollbar-width:none}.chips::-webkit-scrollbar{display:none}
.chip{flex:none;height:32px;padding:0 12px;border-radius:8px;background:var(--bg2);display:flex;align-items:center;font-weight:500;white-space:nowrap}.chip:hover{background:var(--bg3)}.chip.on{background:var(--btn);color:var(--btntx)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px 16px;margin-top:8px}
.card .thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg2)}
.card .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:border-radius .2s}.card:hover .thumb{border-radius:0}
.dur{position:absolute;right:6px;bottom:6px;background:rgba(0,0,0,.8);color:#fff;font-size:12px;font-weight:500;padding:1px 4px;border-radius:4px}
.card .row{display:flex;gap:12px;margin-top:12px}.card .info{min-width:0;display:flex;flex-direction:column}
.card .title{font-weight:500;font-size:16px;line-height:22px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .chan,.card .meta{color:var(--tx2);font-size:13px}.card .chan:hover{color:var(--tx)}
.card.compact{display:flex;gap:8px;margin-bottom:8px}.card.compact .thumb{width:168px;flex:none;border-radius:8px}.card.compact .title{font-size:14px;line-height:20px}
.pager{display:flex;justify-content:center;gap:12px;margin:32px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;border:0;border-radius:18px;background:var(--bg2);cursor:pointer;font-weight:500;white-space:nowrap}
.btn:hover{background:var(--bg3)}.btn.primary{background:var(--btn);color:var(--btntx)}.btn.primary:hover{opacity:.85}.btn.big{height:44px;border-radius:22px;padding:0 24px;font-size:15px}
.btn:disabled{opacity:.4;cursor:default}.btn.sub{background:var(--btn);color:var(--btntx)}.btn.sub.on{background:var(--bg2);color:var(--tx)}.btn.on:not(.sub){background:var(--bg3)}
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;padding:80px 16px;color:var(--tx2)}.empty h2{color:var(--tx);margin:8px 0 0}.empty .btn{margin-top:12px}
.watch{display:grid;grid-template-columns:minmax(0,1fr) 402px;gap:24px;max-width:1700px;margin:0 auto;padding-top:24px}
.player-wrap{background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9;max-height:calc(100vh - 170px)}.player-wrap video{width:100%;height:100%;display:block;background:#000}
.vtitle{font-size:20px;line-height:28px;margin:12px 0 0;font-weight:700}
.actions{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:12px}
.owner,.btns{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.oinfo{display:flex;flex-direction:column;margin-right:12px}.oname{font-weight:500;font-size:16px}.oinfo small{color:var(--tx2)}
.seg{display:flex;background:var(--bg2);border-radius:18px;overflow:hidden}.btn-seg{display:flex;gap:6px;align-items:center;height:36px;padding:0 16px;border:0;background:none;cursor:pointer;font-weight:500}.btn-seg:hover{background:var(--bg3)}.btn-seg+.btn-seg{border-left:1px solid var(--bg3)}.btn-seg.on{color:var(--blue)}
.desc{background:var(--bg2);border-radius:12px;padding:12px;margin-top:16px}.dmeta{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.tag{background:var(--bg3);border-radius:6px;padding:0 8px;font-size:12px}
.dtext{margin-top:8px;max-height:3em;overflow:hidden;word-break:break-word}.desc.open .dtext{max-height:none}.more{background:none;border:0;font-weight:500;padding:4px 0;cursor:pointer;margin-top:4px}
.comments{margin-top:24px}.comments h2{font-size:20px;margin:0 0 20px}
.cform{display:flex;gap:16px;margin-bottom:24px}.cbox{flex:1}.cbox textarea,.rbox textarea{width:100%;border:0;border-bottom:1px solid var(--line);background:none;resize:none;outline:0;padding:4px 0;overflow:hidden}.cbox textarea:focus,.rbox textarea:focus{border-bottom:2px solid var(--tx)}
.cbtns{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.cbtns[hidden]{display:none}
.comment{display:flex;gap:16px;margin-bottom:20px}.comment.reply{margin:12px 0 0;gap:12px}.cbody{flex:1;min-width:0}.chead2{display:flex;gap:8px;align-items:baseline}.chead2 a{font-weight:500;font-size:13px}.chead2 small{color:var(--tx2)}
.ctext{white-space:pre-wrap;word-break:break-word}.cops{display:flex;gap:12px;margin-top:2px}.link{background:none;border:0;padding:4px 0;cursor:pointer;color:var(--tx2);font-size:13px;font-weight:500}.link:hover{color:var(--tx)}.rbox{margin-top:8px}
.related .autoplay{display:flex;justify-content:flex-end;gap:6px;margin-bottom:12px;color:var(--tx2)}
.lib,.studio,.upload{max-width:1400px;margin:0 auto;padding-top:24px}.st-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.st-head h1{margin:0;font-size:24px}
.chan-strip{display:flex;gap:20px;overflow-x:auto;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:16px}.chan-strip a{display:flex;flex-direction:column;align-items:center;gap:6px;width:80px;flex:none;font-size:12px;text-align:center}.chan-strip span{max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}.tbl{width:100%;border-collapse:collapse;min-width:760px}.tbl th{text-align:left;color:var(--tx2);font-weight:500;padding:12px;border-bottom:1px solid var(--line)}.tbl td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}.tbl tr:last-child td{border-bottom:0}
.vcell{min-width:320px}.vwrap{display:flex;gap:12px;align-items:center}.vwrap>div{min-width:0}.vcell small{display:block;color:var(--tx2)}.vcell .title{font-weight:500}.mini-thumb{position:relative;width:120px;aspect-ratio:16/9;border-radius:6px;overflow:hidden;flex:none;background:var(--bg2)}.mini-thumb img{width:100%;height:100%;object-fit:cover}.ops{white-space:nowrap;text-align:right}
dialog{border:0;border-radius:16px;background:var(--bg);color:var(--tx);width:min(560px,92vw);padding:24px}dialog::backdrop{background:rgba(0,0,0,.6)}dialog h2{margin:0 0 16px}
label{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;font-weight:500}label input,label textarea,label select{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--bg);font-weight:400;outline:0}label input:focus,label textarea:focus,label select:focus{border-color:var(--blue)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.dlg-btns{display:flex;justify-content:flex-end;gap:8px}
.drop{border:2px dashed var(--bg3);border-radius:16px;display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:72px 16px;color:var(--tx2);transition:background .15s,border-color .15s}.drop.over{background:var(--bg2);border-color:var(--blue)}.drop[hidden],.up-form[hidden]{display:none}.drop h2{color:var(--tx);margin:8px 0 0}.drop .btn{margin-top:12px}
.up-form{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px}.thumbs{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.tprev{width:160px;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:var(--bg2)}.tprev img{width:100%;height:100%;object-fit:cover;display:block}.thumbs .btn{margin:0}
.up-right{display:flex;flex-direction:column;gap:12px}.up-right video{width:100%;aspect-ratio:16/9;background:#000;border-radius:12px}.finfo small{color:var(--tx2)}
.bar{height:8px;background:var(--bg3);border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;width:0;background:var(--blue);transition:width .2s}.prog small{color:var(--tx2)}.err{color:#d93025;margin:0}.err[hidden],.prog[hidden]{display:none}
.channel .banner{height:160px;border-radius:16px;margin-top:16px}.chead{display:flex;gap:24px;align-items:center;padding:20px 0;flex-wrap:wrap}.cinfo h1{margin:0 0 4px;font-size:32px}.cinfo p{margin:0 0 12px}
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg2)}.login-card{background:var(--bg);border-radius:20px;padding:48px 40px;width:min(420px,92vw);text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px}.login-card h1{margin:4px 0 0}.login-card p{color:var(--tx2);margin:0 0 12px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:#323232;color:#fff;padding:12px 20px;border-radius:8px;opacity:0;pointer-events:none;transition:.2s;z-index:100}#toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:1280px){.watch{grid-template-columns:minmax(0,1fr)}.related{max-width:720px}}
@media(max-width:1000px){.side{transform:translateX(-100%);transition:transform .2s;box-shadow:0 0 20px rgba(0,0,0,.3)}body.side-open .side{transform:none}body.side-open .scrim{display:block;position:fixed;inset:56px 0 0 0;background:rgba(0,0,0,.5);z-index:30}.main,body.mini .main{margin-left:0;padding:0 12px 40px}body.mini .side{width:240px;padding:12px}body.mini .side a{flex-direction:row;height:40px;font-size:14px;padding:0 12px;gap:24px}body.mini .side a:nth-child(n+4){display:flex}.up-form{grid-template-columns:1fr}.create span{display:none}.create{padding:0 10px}}
@media(max-width:600px){.logo-text{display:none}.search button{width:48px}.grid{grid-template-columns:1fr}.card .thumb{border-radius:0;margin:0 -12px}.watch{padding-top:0;margin:0 -12px}.watch>.primary>*:not(.player-wrap){margin-left:12px;margin-right:12px}.player-wrap{border-radius:0}.top .right{min-width:0}.two{grid-template-columns:1fr}.card.compact .thumb{width:140px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* ===== v2: UI/UX Pro MAX ===== */
.top{background:color-mix(in srgb,var(--top) 88%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.sentinel{height:1px}
.search{position:relative}
.sugg{position:absolute;top:46px;left:0;right:64px;background:var(--bg);border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 32px rgba(0,0,0,.28);padding:8px 0;z-index:70}.sugg[hidden]{display:none}
.sg{display:flex;align-items:center}.sg:hover{background:var(--hover)}.sg a{flex:1;padding:9px 16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sg button{background:none;border:0;color:var(--tx2);padding:9px 16px;cursor:pointer;font-size:12px}.sg button:hover{color:var(--tx)}
.card .thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s;background:#000}.card .thumb video.on{opacity:1}
.card .thumb .dur{bottom:8px;z-index:1}.prog{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.35);z-index:2}.prog b{display:block;height:100%;background:var(--red)}
.card .row{position:relative}.kebab{margin-left:auto;align-self:flex-start;flex:none;width:32px;height:32px;margin-right:-8px;border:0;border-radius:50%;background:none;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .15s}
.card:hover .kebab,.kebab:focus-visible,.kebab[aria-expanded]{opacity:1}.kebab:hover{background:var(--hover)}@media(hover:none){.kebab{opacity:1}}
.kpop{position:fixed;width:220px;background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 32px rgba(0,0,0,.3);padding:8px 0;z-index:80}.kpop[hidden]{display:none}.kpop button{display:block;width:100%;text-align:left;background:none;border:0;padding:10px 16px;cursor:pointer}.kpop button:hover{background:var(--hover)}
.sk .thumb,.sk i,.sk .avatar{background:linear-gradient(90deg,var(--bg2) 25%,var(--bg3) 50%,var(--bg2) 75%);background-size:200% 100%;animation:sh 1.3s linear infinite}
.sk .thumb{display:block;aspect-ratio:16/9;border-radius:12px}.sk .avatar{width:36px;height:36px}.sk .info{flex:1}.sk i{display:block;height:14px;border-radius:7px;margin:4px 0 8px;width:92%}.sk i+i{width:58%}
@keyframes sh{to{background-position:-200% 0}}
.player{position:relative;background:#000;border-radius:12px;overflow:hidden;aspect-ratio:16/9;max-height:calc(100vh - 170px);outline:0;user-select:none;-webkit-user-select:none;color:#fff}
.player video{width:100%;height:100%;display:block;background:#000}.player:fullscreen{max-height:none;border-radius:0;aspect-ratio:auto}
.player:not(.ui):not(.paused){cursor:none}.pl-hit{position:absolute;inset:0 0 70px 0}
.pl-ctrl{position:absolute;left:0;right:0;bottom:0;padding:28px 12px 6px;background:linear-gradient(transparent,rgba(0,0,0,.78));opacity:0;transition:opacity .2s;pointer-events:none}
.player.ui .pl-ctrl,.player.paused .pl-ctrl{opacity:1;pointer-events:auto}
.pl-bar{position:relative;height:18px;display:flex;align-items:center;cursor:pointer;touch-action:none;outline:0}
.pl-bar::before,.pl-bar i{content:"";position:absolute;left:0;height:3px;border-radius:2px;transition:height .1s}
.pl-bar::before{right:0;background:rgba(255,255,255,.3)}.pl-bar .buf{background:rgba(255,255,255,.45);width:0}.pl-bar .played{background:var(--red);width:0}
.pl-bar:hover::before,.pl-bar:hover i,.player.scrub .pl-bar::before,.player.scrub .pl-bar i,.pl-bar:focus-visible::before,.pl-bar:focus-visible i{height:6px}
.pl-bar .knob{position:absolute;left:0;width:14px;height:14px;border-radius:50%;background:var(--red);transform:translateX(-50%) scale(0);transition:transform .12s}
.pl-bar:hover .knob,.player.scrub .knob,.pl-bar:focus-visible .knob{transform:translateX(-50%) scale(1)}
.pl-tip{position:absolute;bottom:24px;transform:translateX(-50%);background:rgba(0,0,0,.85);padding:2px 8px;border-radius:4px;font-size:12px;opacity:0;pointer-events:none;font-variant-numeric:tabular-nums}.pl-bar:hover .pl-tip,.player.scrub .pl-tip{opacity:1}
.pl-row{display:flex;align-items:center;gap:2px;height:44px}.pl-row .sp{flex:1}
.pb{background:none;border:0;color:#fff;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0}.pb:hover{background:rgba(255,255,255,.2)}.pb[hidden]{display:none}
.pl-volwrap{display:flex;align-items:center}.pl-vol{width:0;opacity:0;margin:0;transition:width .2s,opacity .2s;accent-color:#fff;height:4px;cursor:pointer}
.pl-volwrap:hover .pl-vol,.pl-vol:focus-visible{width:72px;opacity:1;margin:0 8px 0 2px}
.pl-time{font-size:13px;margin-left:6px;white-space:nowrap;font-variant-numeric:tabular-nums}
.pl-menu{position:absolute;right:12px;bottom:76px;background:rgba(24,24,24,.96);border-radius:12px;padding:8px 0;min-width:150px;z-index:5}.pl-menu[hidden]{display:none}
.pl-menu button{display:block;width:100%;text-align:left;background:none;border:0;color:#fff;padding:9px 18px;cursor:pointer}.pl-menu button:hover{background:rgba(255,255,255,.14)}.pl-menu button.on{font-weight:700}.pl-menu button.on::after{content:"  ✓"}
.pl-flash{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:rgba(0,0,0,.55);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none}.pl-flash.go{animation:flash .5s ease-out}
@keyframes flash{0%{opacity:1;transform:scale(.8)}100%{opacity:0;transform:scale(1.5)}}
.pl-seek{position:absolute;top:0;bottom:70px;width:28%;display:flex;align-items:center;justify-content:center;font-weight:700;background:rgba(255,255,255,.2);opacity:0;pointer-events:none}
.pl-seek.l{left:0;border-radius:0 50% 50% 0}.pl-seek.r{right:0;border-radius:50% 0 0 50%}.pl-seek.on{animation:seek .6s ease-out}@keyframes seek{0%{opacity:0}20%{opacity:1}100%{opacity:0}}
.pl-spin{position:absolute;left:50%;top:50%;width:48px;height:48px;margin:-24px 0 0 -24px;border:4px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite;pointer-events:none}.pl-spin[hidden]{display:none}@keyframes spin{to{transform:rotate(360deg)}}
.pl-err,.pl-next{position:absolute;inset:0;background:rgba(0,0,0,.82);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;padding:16px;z-index:4}.pl-err[hidden],.pl-next[hidden]{display:none}
.pl-count{font-size:44px;font-weight:700;line-height:1}.pl-next .btn{background:rgba(255,255,255,.2);color:#fff}.pl-next .btn.primary{background:#fff;color:#0f0f0f}
.watch.theater{grid-template-columns:minmax(0,1fr)}.watch.theater .player{max-height:76vh;border-radius:0}.watch.theater .related{max-width:none}
a.ts{color:var(--blue);font-weight:500}a.ts:hover{text-decoration:underline}
.kbd{width:100%;border-collapse:collapse;margin:8px 0 12px}.kbd td{padding:6px 4px;border-bottom:1px solid var(--line)}.kbd td:first-child{white-space:nowrap;width:44%}
kbd{background:var(--bg2);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 7px;font:12px/1.6 ui-monospace,Menlo,Consolas,monospace}
@media(max-width:600px){.pl-time{display:none}.pl-vol{display:none}.player{border-radius:0;max-height:none}.sugg{right:48px}#themeBtn{display:none}}

/* ===== v3: スケルトン / 再生の軽量化 / スマホ / アップロード進捗 ===== */
/* 軽量化: ぼかしをやめ、動画の上に常駐するレイヤーを減らす */
.top{background:var(--top);-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom:1px solid var(--line)}
.pl-flash{display:none}.pl-flash.go{display:flex}
.pl-seek{display:none}.pl-seek.on{display:flex}
.pl-ctrl{visibility:hidden;transition:opacity .2s,visibility .2s}.player.ui .pl-ctrl,.player.paused .pl-ctrl{visibility:visible}
.player{max-height:calc(100vh - 170px);max-height:calc(100dvh - 170px)}
.pl-big{display:none;position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px 0 0 -34px;border:0;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;align-items:center;justify-content:center;z-index:3;cursor:pointer;padding:0}
/* スケルトン */
.shim,.sk .thumb,.sk i,.sk .avatar,.card .thumb:not(.ld){background:linear-gradient(90deg,var(--bg2) 25%,var(--bg3) 50%,var(--bg2) 75%);background-size:200% 100%;animation:sh 1.3s linear infinite}
.card .thumb img{opacity:0;transition:opacity .25s}.card .thumb img.ok{opacity:1}
.comment.sk .avatar{width:40px;height:40px}.comment.sk .cbody{padding-top:4px}.comment.sk i{display:block;height:12px;border-radius:6px;margin:6px 0;width:70%}.comment.sk i+i{width:45%}
.navsk{display:none;position:fixed;top:56px;right:0;bottom:0;left:240px;background:var(--bg);z-index:35;overflow:hidden;padding:0 24px}.navsk.on{display:block}body.mini .navsk{left:72px}
.navsk .sk-chips{display:flex;gap:12px;padding:12px 0}.navsk .sk-chips i{display:block;width:76px;height:32px;border-radius:8px}
.navsk .sk-title{width:200px;height:28px;border-radius:8px;margin:24px 0 16px}.navsk .grid{margin-top:8px}
.navsk .wk{display:grid;grid-template-columns:minmax(0,1fr) 402px;gap:24px;max-width:1700px;margin:0 auto;padding-top:24px}
.wk-player{aspect-ratio:16/9;border-radius:12px;max-height:calc(100vh - 170px)}.wk-l1{height:24px;border-radius:8px;width:70%;margin-top:14px}.wk-l2{height:16px;border-radius:8px;width:40%;margin-top:12px}
.wk-row{display:flex;gap:12px;margin-top:16px;align-items:center}.wk-av{width:40px;height:40px;border-radius:50%;flex:none}.wk-col{flex:1;min-width:0}.wk-l3{height:14px;border-radius:7px;width:85%;margin:4px 0 8px}.wk-l4{height:12px;border-radius:6px;width:50%}
.wk-side{display:flex;flex-direction:column;gap:12px}.wk-item,.sk-rowitem{display:flex;gap:10px}.wk-t{width:168px;aspect-ratio:16/9;border-radius:8px;flex:none}.sk-rowitem{margin-bottom:14px}.sk-rowitem .wk-t{width:140px}
@media(prefers-reduced-motion:reduce){.shim,.sk .thumb,.sk i,.sk .avatar,.card .thumb:not(.ld),.bar i.stripe,.pl-spin{animation:none!important}}
/* アップロード進捗 */
.steps{list-style:none;display:flex;gap:8px;padding:0;margin:0 0 20px;counter-reset:s}
.steps li{flex:1;display:flex;align-items:center;gap:8px;color:var(--tx2);font-weight:500;padding:8px 0;border-bottom:3px solid var(--bg3);min-width:0}
.steps li b{width:24px;height:24px;border-radius:50%;background:var(--bg3);color:var(--tx);display:flex;align-items:center;justify-content:center;font-size:12px;flex:none}
.steps li span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.steps[data-step="1"] li:nth-child(1),.steps[data-step="2"] li:nth-child(-n+2),.steps[data-step="3"] li,.steps[data-step="4"] li{color:var(--tx);border-color:var(--blue)}
.steps[data-step="1"] li:nth-child(1) b,.steps[data-step="2"] li:nth-child(-n+2) b,.steps[data-step="3"] li b,.steps[data-step="4"] li b{background:var(--blue);color:#fff}
.upc{border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--bg)}
.upc .row1{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.upc .state{font-weight:500}.upc .pct{font-size:30px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.bar.big{height:12px;border-radius:6px}.bar i{border-radius:6px}.bar i.stripe{background-image:linear-gradient(45deg,rgba(255,255,255,.28) 25%,transparent 25%,transparent 50%,rgba(255,255,255,.28) 50%,rgba(255,255,255,.28) 75%,transparent 75%);background-size:24px 24px;animation:stripe 1s linear infinite}
.bar i.done{background:#1e8e3e}.bar i.err{background:#d93025}@keyframes stripe{to{background-position:24px 0}}
.upstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}.upstats b{display:block;font-size:13px;font-variant-numeric:tabular-nums}.upstats small{color:var(--tx2)}
.up-left .btn.big{width:100%;margin-top:4px}
/* タッチ操作 */
@media(pointer:coarse){.icon-btn{width:44px;height:44px}.chip{height:36px}.btn{height:40px}.btn-seg{height:40px}.kebab{width:40px;height:40px}.pb{width:46px;height:46px}
  .pl-bar{height:30px}.pl-bar::before,.pl-bar i{height:4px}.pl-bar .knob{transform:translateX(-50%) scale(1)}.pl-volwrap{display:none}
  .player.ui .pl-big,.player.paused .pl-big{display:flex}}
/* スマホ・タブレット */
.sbk{display:none}#searchToggle{display:none}.bnav{display:none}
@media(max-width:1000px){#bTheater{display:none}
  .watch .player{position:sticky;top:56px;z-index:6}.watch.theater .player{max-height:none}
  .navsk{left:0;padding:0 12px}.navsk .wk{grid-template-columns:minmax(0,1fr)}.wk-side{display:none}.up-right{order:-1}}
@media(max-width:700px){
  #searchToggle{display:flex}.top .search{display:none}.top .create{display:none}.top .right{min-width:0}
  .top.searching .search{display:flex;position:absolute;inset:0;background:var(--top);align-items:center;padding:0 8px 0 4px;z-index:3}
  .top.searching .sbk{display:flex}.top.searching .search input{border-radius:40px 0 0 40px}.top.searching .sugg{right:56px;left:48px}
  .bnav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--top);border-top:1px solid var(--line);height:calc(56px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}
  .bnav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--tx2);min-width:0}.bnav a.on{color:var(--tx);font-weight:700}.bnav a .avatar{margin:2px 0}
  body.no-bnav .bnav{display:none}body:not(.no-bnav) .main{padding-bottom:calc(76px + env(safe-area-inset-bottom))}body:not(.no-bnav) #toast{bottom:calc(72px + env(safe-area-inset-bottom))}
  input,select,textarea{font-size:16px}.chips{top:56px}.vtitle{font-size:18px;line-height:26px}.actions{gap:8px}.btns{width:100%;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none}.btns::-webkit-scrollbar{display:none}.btns .btn,.btns .seg{flex:none}
  .channel .banner{height:96px;border-radius:12px}.chead{gap:14px;padding:14px 0}.chead .avatar{width:72px!important;height:72px!important;font-size:32px!important}.cinfo h1{font-size:22px}
  .upload{padding-top:12px}.steps li span{font-size:12px}.drop{padding:40px 12px}.st-head h1{font-size:20px}
  /* 動画の管理: 表をカード表示に */
  .tbl-wrap{border:0}.tbl{min-width:0}.tbl thead{display:none}.tbl,.tbl tbody,.tbl tr,.tbl td{display:block}.tbl tr{padding:12px 4px;border-bottom:1px solid var(--line)}.tbl td{border:0;padding:3px 0}
  .tbl td[data-l]{display:inline-block;margin-right:14px;color:var(--tx2);font-size:12px}.tbl td[data-l]::before{content:attr(data-l) " ";opacity:.8}.vcell{min-width:0}.ops{text-align:left}
}
@media(max-width:600px){.watch>.primary>.player{margin-left:0;margin-right:0}.pl-time{display:inline;font-size:12px}.pl-row{gap:0}.pl-vol{display:none}}
@media(orientation:landscape) and (max-height:520px){.watch .player{position:relative;top:0;max-height:calc(100vh - 56px);max-height:calc(100dvh - 56px)}}

/* ===== v4: 処理中ページ・状態バッジ・スマホ微調整 ===== */
.proc{display:flex;justify-content:center;padding:48px 0}.proc-card{width:min(520px,100%);background:var(--bg2);border-radius:16px;padding:32px 24px;text-align:center;display:flex;flex-direction:column;gap:12px;align-items:stretch}
.proc-card h2{margin:0}.proc-card p{margin:0}.proc-card .btn{align-self:center}.proc-card .pct{font-size:32px;font-weight:700;font-variant-numeric:tabular-nums}
.proc-spin{width:48px;height:48px;margin:0 auto;border:4px solid var(--bg3);border-top-color:var(--blue);border-radius:50%;animation:spin .9s linear infinite}
.badge{display:inline-block;margin-top:4px;padding:2px 8px;border-radius:6px;font-size:12px;line-height:1.5;background:var(--bg3);word-break:break-word}.badge.proc{background:#e8f0fe;color:#174ea6}.badge.fail{background:#fce8e6;color:#a50e0e}.badge.ok{color:var(--tx2)}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .badge.proc{background:#1c2b45;color:#8ab4f8}:root:not([data-theme=light]) .badge.fail{background:#3b1d1b;color:#f28b82}}
:root[data-theme=dark] .badge.proc{background:#1c2b45;color:#8ab4f8}:root[data-theme=dark] .badge.fail{background:#3b1d1b;color:#f28b82}
.vcell small{display:block}.ops .btn{height:32px;padding:0 12px;margin-right:4px}
@media(max-width:600px){.watch>.related{padding:0 12px}.proc{padding:24px 0}.ops .btn{margin:2px 4px 2px 0}}

/* ===== v5: 実機描画チェックで見つかった崩れの修正 ===== */
.side{box-shadow:none}
@media(max-width:1000px){body.side-open .side{box-shadow:0 0 24px rgba(0,0,0,.35)}}
.related .autoplay{flex-direction:row;align-items:center;gap:8px;margin-bottom:12px;font-weight:400}.related .autoplay input{width:20px;height:20px}
@media(pointer:coarse){.logo{min-height:44px;padding:0 4px}.more{padding:12px 0}a.ts{display:inline-block;padding:6px 0}.related .autoplay{min-height:44px}.oname{display:inline-block;padding:4px 0}}
@media(max-width:700px){
  .tbl .mini-thumb{width:120px;flex:none}.tbl .opsin{flex-wrap:wrap;justify-content:flex-start;gap:6px;padding-top:8px}
  .st-head{flex-wrap:wrap;gap:8px}.st-head h1{font-size:20px}}
@media(max-width:600px){.steps li{flex-direction:column;align-items:flex-start;gap:4px}.steps li span{white-space:normal;font-size:11px;line-height:1.25}.drop h2{font-size:18px}}
/* 検索ボックス内ボタンのスタイル競合を修正(PCで「戻る」ボタンが出る不具合) */
.search .sbk{display:none;width:44px;height:44px;border:0;border-radius:50%;background:none;flex:none}
.top.searching .search .sbk{display:flex}
.search .sg button{width:auto;height:auto;border-radius:0;display:block;border:0;background:none}

/* ===== v6: スマホ実描画チェックで見つかった崩れの修正 ===== */
[hidden]{display:none!important}
.card.compact .thumb{margin:0}
@media(max-width:600px){.card.compact .thumb{margin:0;border-radius:8px}.card.compact{gap:10px}}
.proc-card .btn:not(.primary){background:var(--bg3)}
.up-form>*{min-width:0}#fname{overflow-wrap:anywhere}
@media(max-width:1000px){.up-form{grid-template-columns:minmax(0,1fr)}}
a.ts{position:relative}a.ts::after{content:"";position:absolute;inset:-10px -4px}
@media(pointer:coarse){a.ts{display:inline;padding:0}}
label select,label input,label textarea{width:100%;max-width:100%;min-width:0}
.two{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:600px){.two{grid-template-columns:minmax(0,1fr)}}
label select{text-overflow:ellipsis}
.dtext{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-height:none}
.desc.open .dtext{display:block;-webkit-line-clamp:unset}


/* ===== v7: スマホ対応の追加補修 ===== */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
body{overflow-wrap:anywhere}
img,video,canvas,svg{max-width:100%}
/* ノッチ・ホームバー対策(横向き含む) */
.top{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right));padding-top:env(safe-area-inset-top);height:calc(56px + env(safe-area-inset-top))}
.main{min-height:calc(100vh - 56px);min-height:calc(100dvh - 56px)}
.login-page{min-height:100vh;min-height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
@media(max-width:1000px){
  .main,body.mini .main{margin-top:calc(56px + env(safe-area-inset-top));padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
  .side{top:calc(56px + env(safe-area-inset-top));padding-left:env(safe-area-inset-left)}
  body.side-open .scrim{inset:calc(56px + env(safe-area-inset-top)) 0 0 0}
  .chips,.watch .player{top:calc(56px + env(safe-area-inset-top))}
}
@media(max-width:600px){
  .login-card{padding:32px 20px;border-radius:16px}
  .login-card .btn.big{width:100%;white-space:normal;height:auto;min-height:48px;padding:10px 16px}
  /* ダイアログは画面下からのシート風に */
  dialog{width:100vw;max-width:100vw;margin:auto 0 0;border-radius:16px 16px 0 0;padding:20px 16px calc(16px + env(safe-area-inset-bottom));max-height:90vh;max-height:90dvh;overflow-y:auto}
  .dlg-btns{display:flex;gap:8px}.dlg-btns>*,.dlg-btns .btn{flex:1}
  .kbd{display:none}#helpDlg .muted{margin-top:0}
  .popup{max-width:calc(100vw - 16px)}
  .vtitle,.title,.oname,.cinfo h1{overflow-wrap:anywhere}
  .desc,.dtext{font-size:14px}
  .comment{gap:12px}
}
/* 狭い端末(iPhone SE など) */
@media(max-width:360px){.top .right{gap:0}.icon-btn{width:40px;height:40px}.bnav a{font-size:9px}.upstats{grid-template-columns:1fr 1fr}}
/* 横向きスマホ: 下部ナビを小さく */
@media(orientation:landscape) and (max-height:520px) and (max-width:900px){.bnav{height:calc(44px + env(safe-area-inset-bottom))}.bnav a span{display:none}body:not(.no-bnav) .main{padding-bottom:calc(60px + env(safe-area-inset-bottom))}}
/* タッチ端末ではホバー専用の演出を無効化 */
@media(hover:none){.card:hover .thumb{transform:none}}

/* ===== v8: 動画プレーヤーのスマホ対応 ===== */
.player{touch-action:manipulation;-webkit-touch-callout:none}
.player video{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
/* 全画面: ノッチ・ホームバーを避ける */
.player:fullscreen .pl-ctrl{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right));padding-bottom:max(6px,env(safe-area-inset-bottom))}
.player:fullscreen{max-height:none;height:100%}
@media(pointer:coarse),(max-width:700px){
  /* コントロール非表示中は画面全体をタップ領域にする(下部タップで表示できない不具合の修正) */
  .pl-hit{inset:0}.pl-seek{bottom:0}
  .pl-bar::after{content:"";position:absolute;left:0;right:0;top:-12px;bottom:-4px}
  .pl-ctrl{padding-bottom:max(6px,env(safe-area-inset-bottom))}
  .pl-time{white-space:nowrap}.pl-row .sp{flex:1}
  /* 再生速度メニュー: 低い画面でも収まるよう3列のグリッドに */
  .pl-menu{right:8px;left:8px;bottom:104px;min-width:0;padding:6px;display:grid;grid-template-columns:repeat(3,1fr);gap:4px;max-height:calc(100% - 112px);overflow-y:auto}
  .pl-menu[hidden]{display:none}
  .pl-menu button{text-align:center;padding:10px 4px;border-radius:8px;min-height:40px}
  .pl-menu button.on{background:rgba(255,255,255,.22)}.pl-menu button.on::after{content:none}
}
@media(max-width:600px){
  /* 次の動画/エラー表示を小さなプレーヤーに収める */
  .pl-err,.pl-next{gap:6px;padding:10px 12px;font-size:13px}
  .pl-next strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;max-width:100%}
  .pl-count{font-size:28px}.pl-next .cbtns{display:flex;gap:8px;justify-content:center;margin-top:0}.pl-next .btn{height:36px;padding:0 12px;font-size:13px}
  .pl-big{width:56px;height:56px;margin:-28px 0 0 -28px}
}
/* 横向きスマホ(低い画面)では余白とボタンを詰める */
@media(orientation:landscape) and (max-height:520px){
  .pl-ctrl{padding-top:16px}.pl-big{width:52px;height:52px;margin:-26px 0 0 -26px}
  .pl-menu{bottom:90px;grid-template-columns:repeat(6,1fr);max-height:calc(100% - 96px)}
}

/* ===== v9: 動画の管理の表崩れ修正(td に display:flex を使っていたため行がずれていた) ===== */
.opsin{display:flex;align-items:center;justify-content:flex-end;gap:4px;white-space:nowrap}.opsin .btn{margin:0}
.tbl td,.tbl th{vertical-align:middle}