:root{--bg:#0a0b12;--bg-elev:#0f1119;--panel:#151826;--panel-2:#1b1f30;--border:#2a3047;--border-soft:#232842;--text:#eef1fa;--muted:#9aa3bd;--muted-2:#6f7895;--accent:#7c6cff;--accent-2:#4ea8ff;--accent-3:#34e2c4;--accent-soft:rgba(124,108,255,.16);--accent-grad:linear-gradient(120deg,#7c6cff,#4ea8ff 55%,#34e2c4);--accent-grad-soft:linear-gradient(120deg,rgba(124,108,255,.22),rgba(78,168,255,.16),rgba(52,226,196,.14));--danger:#ff6b81;--danger-soft:rgba(255,107,129,.14);--ok:#46e0a0;--ok-soft:rgba(70,224,160,.14);--warn:#ffce6b;--font-sans:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--sp-1:0.25rem;--sp-2:0.5rem;--sp-3:0.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3rem;--r-sm:8px;--r-md:12px;--r-lg:18px;--r-pill:999px;--shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow-md:0 8px 24px rgba(0,0,0,.35);--shadow-glow:0 0 0 1px rgba(124,108,255,.25),0 10px 40px rgba(78,168,255,.12)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(1100px 520px at 12% -8%,rgba(124,108,255,.16),transparent 60%),radial-gradient(900px 480px at 92% 4%,rgba(52,226,196,.1),transparent 60%);pointer-events:none}a{color:var(--accent-2);text-decoration:none;transition:color .15s ease}a:hover{color:var(--accent-3)}h1,h2,h3{letter-spacing:.01em;line-height:1.3}h1{font-size:1.9rem;font-weight:800;margin:0 0 var(--sp-4)}h2{font-size:1.3rem;margin:var(--sp-6) 0 var(--sp-3)}h2,h3{font-weight:700}h3{font-size:1.05rem;margin:0 0 var(--sp-3)}code{background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:6px;padding:.05rem .35rem;font-size:.86em}.container{max-width:1040px;margin:0 auto;padding:var(--sp-6) var(--sp-5) var(--sp-7)}.nav{display:flex;align-items:center;justify-content:space-between;padding:var(--sp-4) var(--sp-5);border-bottom:1px solid var(--border-soft);background:rgba(15,17,25,.78);-webkit-backdrop-filter:saturate(140%) blur(10px);backdrop-filter:saturate(140%) blur(10px);position:-webkit-sticky;position:sticky;top:0;z-index:50}.brand{font-weight:900;letter-spacing:.01em;font-size:1.45rem;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.brand:hover{color:transparent}.nav-main{display:flex;gap:var(--sp-5);align-items:center}.nav-tab{color:var(--muted);font-weight:600;font-size:.95rem;padding:.3rem 0;border-bottom:2px solid transparent}.nav-tab:hover{color:var(--text)}.nav-links{display:flex;gap:var(--sp-3);align-items:center;flex-wrap:wrap}.panel{background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--r-md);padding:var(--sp-5);margin:var(--sp-4) 0}.panel+.panel{margin-top:var(--sp-4)}.panel-accent{background:var(--accent-grad-soft);border-color:rgba(124,108,255,.3)}.hero{position:relative;border-radius:var(--r-lg);padding:var(--sp-7) var(--sp-6);margin-bottom:var(--sp-5);background:linear-gradient(120deg,rgba(124,108,255,.18),rgba(78,168,255,.1) 50%,rgba(52,226,196,.12)),var(--panel);border:1px solid rgba(124,108,255,.22);box-shadow:var(--shadow-glow);overflow:hidden}.hero h1{font-size:2.3rem;margin-bottom:var(--sp-3)}.hero .lead{color:var(--text);opacity:.92;max-width:62ch;font-size:1.02rem}.field{display:flex;flex-direction:column;gap:var(--sp-2);margin-bottom:var(--sp-4)}.field label{font-weight:600;font-size:.9rem;color:var(--text)}.field input,.field select,.field textarea{background:var(--bg-elev);border:1px solid var(--border);color:var(--text);border-radius:var(--r-sm);padding:.65rem .75rem;font-size:.95rem;font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field .hint{color:var(--muted);font-size:.82rem;margin:0}.row{display:flex;gap:var(--sp-3);flex-wrap:wrap;align-items:flex-end}.row>.field{flex:1 1 200px;margin-bottom:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--accent-grad);color:#0a0b12;border:none;border-radius:var(--r-sm);padding:.6rem 1.1rem;font-size:.95rem;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .12s ease,box-shadow .15s ease,opacity .15s ease;box-shadow:var(--shadow-sm)}.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);color:#0a0b12}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}.btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text);box-shadow:none}.btn.secondary:hover{border-color:var(--accent);color:var(--text);background:var(--accent-soft)}.btn.danger{background:var(--danger);color:#1a0408}.btn.small{padding:.35rem .7rem;font-size:.82rem}.badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.74rem;font-weight:700;padding:.18rem .6rem;border-radius:var(--r-pill);border:1px solid var(--border);color:var(--muted);background:var(--bg-elev)}.badge.admin{color:var(--accent-3);border-color:rgba(52,226,196,.4);background:var(--ok-soft)}.badge.member{color:var(--accent-2);border-color:rgba(78,168,255,.35)}.badge.public{color:var(--ok);border-color:rgba(70,224,160,.4);background:var(--ok-soft)}.badge.unlisted{color:var(--warn);border-color:rgba(255,206,107,.4)}.badge.private{color:var(--danger);border-color:rgba(255,107,129,.4);background:var(--danger-soft)}.muted{color:var(--muted)}.msg-error{color:var(--danger);background:var(--danger-soft);border:1px solid rgba(255,107,129,.3);border-radius:var(--r-sm)}.msg-error,.msg-ok{padding:.6rem .8rem;margin:var(--sp-3) 0}.msg-ok{color:var(--ok);background:var(--ok-soft);border:1px solid rgba(70,224,160,.3);border-radius:var(--r-sm)}table{border-collapse:collapse;width:100%}table td{padding:.5rem .6rem;border-bottom:1px solid var(--border-soft);vertical-align:top;font-size:.92rem}table tr:last-child td{border-bottom:none}table td.muted{width:38%;white-space:nowrap}.section-head{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);flex-wrap:wrap;margin:var(--sp-6) 0 var(--sp-3)}.section-head h2{margin:0}.empty{text-align:center;padding:var(--sp-7) var(--sp-5);border:1px dashed var(--border);border-radius:var(--r-md);color:var(--muted)}.video-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:var(--sp-4);gap:var(--sp-4);margin:var(--sp-4) 0}.video-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--border-soft);border-radius:var(--r-md);overflow:hidden;text-decoration:none;color:var(--text);transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease}.video-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--text)}.video-card-thumb{position:relative;aspect-ratio:16/9;width:100%;background:#000;object-fit:cover;display:block}.video-card-thumb-fallback{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#232842,#0e1118);color:var(--muted);font-size:.85rem}.video-card-duration{position:absolute;right:.45rem;bottom:.45rem;background:rgba(0,0,0,.8);color:#fff;font-size:.72rem;font-weight:600;padding:.12rem .45rem;border-radius:6px}.video-card-body{padding:.8rem .9rem 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ease}.circle-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-md);color:var(--text)}.circle-card-avatar{width:44px;height:44px;border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;color:#0a0b12;background:var(--accent-grad);margin-bottom:var(--sp-1)}.circle-card-name{font-weight:700;font-size:1.05rem}.circle-card-meta{color:var(--muted);font-size:.84rem}.member-list{display:flex;flex-direction:column;gap:var(--sp-2)}.member-row{display:flex;align-items:center;gap:var(--sp-3);padding:.7rem .85rem;background:var(--bg-elev);border:1px solid var(--border-soft);border-radius:var(--r-sm)}.member-row .member-name{font-weight:600;flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.member-row .member-actions{gap:var(--sp-2)}.member-avatar,.member-row .member-actions{display:flex;align-items:center;flex-shrink:0}.member-avatar{width:34px;height:34px;border-radius:var(--r-pill);justify-content:center;font-weight:700;font-size:.9rem;color:#0a0b12;background:var(--accent-grad)}.hero-search{display:flex;gap:var(--sp-3);max-width:620px}.hero-search input{flex:1 1 auto;background:var(--bg-elev);border:1px solid var(--border);color:var(--text);border-radius:var(--r-sm);padding:.7rem .9rem;font-size:1rem;font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}.hero-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.search-form{display:flex;gap:var(--sp-3);align-items:flex-end;flex-wrap:wrap}.search-form .btn{flex:0 0 auto;height:-moz-fit-content;height:fit-content;padding:.65rem 1.3rem}.search-hit-axes{display:flex;flex-wrap:wrap;gap:.3rem;margin:.1rem 0}.search-axis-badge{color:var(--accent);border-color:rgba(124,108,255,.4);background:var(--accent-soft);font-size:.7rem}.player-wrap{position:relative;margin:0 0 var(--sp-4)}.player-frame{position:relative;border-radius:var(--r-md);overflow:hidden;background:#000;border:1px solid var(--border);box-shadow:var(--shadow-md);aspect-ratio:16/9}.player-video{display:block;width:100%;height:100%;background:#000}.player-quality{position:absolute;top:var(--sp-2);right:var(--sp-2);z-index:30}.player-quality-btn{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;line-height:1.4;color:#fff;background:rgba(0,0,0,.6);border:1px solid hsla(0,0%,100%,.25);border-radius:999px;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.player-quality-btn:hover{background:rgba(0,0,0,.78)}.player-quality-gear{font-size:.95rem;line-height:1}.player-quality-current{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.player-quality-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:132px;margin:0;padding:4px;list-style:none;background:rgba(18,18,20,.96);border:1px solid hsla(0,0%,100%,.16);border-radius:var(--r-sm,8px);box-shadow:var(--shadow-md)}.player-quality-item{display:block;width:100%;text-align:left;padding:7px 10px;font-size:.82rem;color:#eee;background:transparent;border:0;border-radius:6px;cursor:pointer}.player-quality-item:hover{background:hsla(0,0%,100%,.1)}.player-quality-item.is-active{color:#fff;font-weight:600;background:hsla(0,0%,100%,.14)}.player-meta{display:flex;align-items:center;flex-wrap:wrap;gap:var(--sp-3) var(--sp-4);margin-top:var(--sp-3)}.play-count{display:inline-flex;align-items:baseline;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);border-radius:var(--r-pill);background:var(--accent-soft);border:1px solid var(--border-soft)}.play-count-icon{font-size:.7rem;color:var(--accent-2)}.play-count-num{font-size:1.25rem;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.play-count-label{font-size:.8rem;color:var(--muted)}.count-toast{display:inline-flex;align-items:center;gap:var(--sp-2);padding:var(--sp-1) var(--sp-3);border-radius:var(--r-pill);font-size:.8rem;font-weight:600}.count-toast-ok{color:var(--ok);background:var(--ok-soft);border:1px solid rgba(70,224,160,.3)}.count-hint{font-size:.8rem}@media (max-width:640px){.hero-search{flex-direction:column}.search-form .field{flex:1 1 100%!important}.search-form .btn{width:100%}.nav{flex-wrap:wrap;gap:var(--sp-3)}.nav-main{order:3;width:100%;gap:var(--sp-4)}.container{padding:var(--sp-5) var(--sp-4) var(--sp-7)}.hero{padding:var(--sp-6) var(--sp-4)}.hero h1{font-size:1.8rem}table td.muted{width:auto;white-space:normal}}.ad-gate,.player-gate{display:flex;align-items:center;justify-content:center;text-align:center;background:radial-gradient(120% 120% at 50% 0,rgba(124,108,255,.12),transparent 60%),var(--bg-elev);border:1px solid var(--border-soft)}.ad-gate-inner{max-width:30rem;padding:var(--sp-5);display:flex;flex-direction:column;gap:var(--sp-3);align-items:center}.ad-gate-label{display:inline-block;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--bg);background:var(--warn);border-radius:var(--r-pill);padding:.15rem .7rem;font-weight:700}.ad-gate-copy,.ad-gate-countdown{color:var(--text);margin:0}.ad-gate-countdown{font-size:1.05rem}.ad-gate-countdown strong{color:var(--accent-3);font-size:1.3rem}.ad-gate-upsell{font-size:.85rem;margin:0}.ad-free-note{font-size:.85rem;color:var(--ok);margin:0 0 var(--sp-2)}.player-bgsaver,.player-sign-info{font-size:.8rem;margin-top:var(--sp-2)}.player-bgsaver{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-3);color:var(--muted);border:1px solid var(--border-soft);border-radius:var(--radius,10px);background:rgba(124,108,255,.06)}.player-bgsaver.is-active{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}.player-bgsaver-icon{font-size:1rem;line-height:1}.player-quality-cap{display:flex;align-items:center;gap:var(--sp-2);margin-top:var(--sp-2);padding:var(--sp-2) var(--sp-3);font-size:.8rem;color:var(--muted);border:1px solid var(--border-soft);border-radius:var(--radius,10px);background:var(--surface-2,hsla(0,0%,100%,.02))}.player-quality-cap.is-premium{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}.player-quality-cap-icon{font-size:1rem;line-height:1}.player-quality-cap a{color:var(--accent);font-weight:600}.ad-banner{display:flex;align-items:center;gap:var(--sp-4);flex-wrap:wrap;background:var(--accent-grad-soft);border:1px dashed rgba(124,108,255,.4);border-radius:var(--r-md);padding:var(--sp-3) var(--sp-4);margin:var(--sp-4) 0}.ad-banner-tag{font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:.1rem .5rem;flex:none}.ad-banner-body{flex:1 1 14rem;font-size:.9rem;color:var(--text)}.ad-banner-body strong{color:var(--accent-2);margin-right:.25rem}.ad-banner-cta{flex:none}.btn-sm{padding:.35rem .75rem;font-size:.85rem;border-radius:var(--r-sm)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);box-shadow:none}.btn-ghost:hover{border-color:var(--accent);background:var(--accent-soft)}.badge-warn{background:rgba(255,206,107,.16);color:var(--warn);border-color:rgba(255,206,107,.4)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.song-picker{display:flex;flex-direction:column;gap:var(--sp-2)}.song-suggest{list-style:none;margin:var(--sp-2) 0 0;padding:0;border:1px solid var(--border);border-radius:var(--r-md);background:var(--panel-2);max-height:20rem;overflow-y:auto}.song-selected-item,.song-suggest-item{display:flex;align-items:center;gap:var(--sp-3);padding:var(--sp-2) var(--sp-3);border-bottom:1px solid var(--border-soft)}.song-selected-item:last-child,.song-suggest-item:last-child{border-bottom:none}.song-art{border-radius:var(--r-sm);flex:none;object-fit:cover}.song-meta{display:flex;flex-direction:column;flex:1 1 auto;min-width:0}.song-meta strong{color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.song-meta .muted{font-size:.82rem}.song-selected{margin-top:var(--sp-3);padding:var(--sp-3);border:1px dashed var(--border);border-radius:var(--r-md);background:var(--accent-grad-soft)}.song-selected h4{margin:0 0 var(--sp-2);display:flex;align-items:center}.song-selected-list{list-style:none;margin:0;padding:0;counter-reset:none}.song-order{flex:none;width:1.6rem;height:1.6rem;display:grid;place-items:center;border-radius:var(--r-pill);background:var(--accent-soft);color:var(--accent-2);font-size:.8rem;font-weight:700}.rights-toolbar{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap;margin-bottom:var(--sp-3)}.rights-list{list-style:none;margin:0;padding:0}.rights-item,.rights-list{display:flex;flex-direction:column;gap:var(--sp-3)}.rights-item{padding:var(--sp-3) var(--sp-4);border:1px solid var(--border);border-radius:var(--r-md);background:var(--panel-2)}.rights-song{display:flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap}.rights-song strong{font-size:1.02rem}.rights-register-fields{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}.rights-register-fields input[type=text]{flex:1 1 12rem;min-width:8rem}.hint{color:var(--muted,#6b7280);font-size:.9rem;line-height:1.5}.badge-ok{background:rgba(16,185,129,.15);color:#047857;border:1px solid rgba(16,185,129,.35)}.badge-muted{background:hsla(220,9%,46%,.14);color:#4b5563;border:1px solid hsla(220,9%,46%,.3)}.claim-list{list-style:none;padding:0;margin:.5rem 0 1.5rem;display:flex;flex-direction:column;gap:var(--sp-2,.5rem)}.claim-item{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3,.75rem);flex-wrap:wrap;padding:var(--sp-3,.75rem) var(--sp-4,1rem);border:1px solid var(--border,#e5e7eb);border-radius:12px;background:var(--surface,#fff)}.claim-main{display:flex;flex-direction:column;gap:.15rem;min-width:12rem}.claim-main strong{font-size:1.02rem}.claim-actions{display:inline-flex;align-items:center;gap:var(--sp-2,.5rem);flex-wrap:wrap}.site-footer{max-width:960px;margin:3rem auto 2rem;padding:1.25rem var(--sp-4,1rem) 0;border-top:1px solid var(--border,#e5e7eb);font-size:.88rem}.site-footer a{color:var(--muted,#6b7280);text-decoration:none}.site-footer a:hover{color:var(--accent,#4f46e5);text-decoration:underline}.share-bar{display:flex;flex-direction:column;gap:var(--sp-3)}.share-bar .share-lead{margin:0}.share-timecheck{display:flex;align-items:center;gap:var(--sp-2);font-size:.92rem;color:var(--text);cursor:pointer}.share-time-field{max-width:220px}.share-url-row{display:flex;gap:var(--sp-2);align-items:stretch;flex-wrap:wrap}.share-url-input{flex:1 1 260px;min-width:0;padding:.55rem .7rem;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--panel-2);color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem}.share-url-input:focus{outline:none;border-color:var(--accent)}.share-x-button{align-self:flex-start;background:#111;border:1px solid var(--border);display:inline-flex;align-items:center;gap:var(--sp-2);font-weight:600}.share-x-button:hover{background:#000;border-color:var(--accent)}