:root{--bg: #121a2b;--bg2: #1a2540;--surface: #202d4a;--surface2: #2a3a5e;--text: #eef2fa;--muted: #a6b3cf;--accent: #f2b880;--accent-ink: #2a1c0c;--teal: #6fc2b4;--warn: #f0b35a;--danger: #ff9a9a;--border: rgba(255, 255, 255, .12);--radius: 16px;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,system-ui,sans-serif;line-height:1.65;color:var(--text);color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 20% -10%,#2b3f6b 0%,transparent 60%),var(--bg);min-height:100vh}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.5rem,4vw,2rem);line-height:1.3}h2,.h2{font-size:1.15rem;margin:0}h3{font-size:1rem}a{color:var(--teal)}button,input,select{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.app{min-height:100vh}.mock-banner{background:#5a3b12;color:#ffe2b6;text-align:center;font-size:.8rem;padding:4px 12px}.topbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;border-bottom:1px solid var(--border);background:#121a2bd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}.brand{background:none;border:0;font-weight:800;font-size:1.15rem;letter-spacing:.02em;cursor:pointer;padding:8px;min-height:44px}nav{display:flex;gap:4px;flex-wrap:wrap}.nav-btn{background:none;border:0;border-radius:999px;padding:8px 14px;cursor:pointer;color:var(--muted);min-height:44px}.nav-btn.on{background:var(--surface2);color:var(--text)}.main{max-width:1100px;margin:0 auto;padding:20px 16px 80px}.stack{display:flex;flex-direction:column;gap:14px}.narrow{max-width:680px;margin:0 auto}.row{display:flex;align-items:center;gap:10px}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}.row.top{align-items:flex-start}.row.tight{gap:6px}.grow{flex:1 1 160px;min-width:0}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.wrap-any{overflow-wrap:anywhere;word-break:break-word;min-width:0}.code{font-variant-numeric:tabular-nums;letter-spacing:.15em;font-weight:700;font-family:ui-monospace,SF Mono,Menlo,monospace}.code.big{font-size:1.6rem;color:var(--accent)}.error{color:var(--danger)}.ok{color:var(--teal)}.empty{color:var(--muted);text-align:center;padding:28px 12px;border:1px dashed var(--border);border-radius:var(--radius)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.card .card{background:var(--bg2)}.notice{background:linear-gradient(135deg,#2a3f56,#2b3a5e);border-color:#6fc2b466}.notice-inline{background:#f0b35a24;border-left:3px solid var(--warn);padding:8px 12px;border-radius:8px;font-size:.9rem}.error-card{border-color:var(--danger)}.skeleton{color:var(--muted);animation:pulse 1.4s ease-in-out infinite}@keyframes pulse{50%{opacity:.5}}.hero{padding:28px 20px;border-radius:24px;background:linear-gradient(135deg,#2e4a7a,#234a54);border:1px solid var(--border);display:flex;flex-direction:column;gap:14px}.hero p{color:#d3def2;max-width:38em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:8px 18px;border-radius:999px;border:1px solid var(--border);background:var(--surface2);cursor:pointer;transition:transform .12s,background .12s;text-align:center}.btn:hover:not(:disabled){background:#36497a;transform:translateY(-1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-ink);border-color:transparent;font-weight:700}.btn-primary:hover:not(:disabled){background:#f7c999}.btn-lg{min-height:52px;padding:10px 26px;font-size:1.05rem}.btn-sm{min-height:36px;padding:4px 12px;font-size:.85rem}.link-back{background:none;border:0;color:var(--teal);cursor:pointer;align-self:flex-start;padding:8px 0;min-height:44px}.field{display:flex;flex-direction:column;gap:4px;border:0;padding:0;margin:0;min-width:0}.field>span,.field>legend{font-size:.85rem;color:var(--muted);padding:0}input[type=text],input:not([type]),input[type=number]{width:100%;min-height:44px;padding:8px 12px;background:var(--bg);border:1px solid var(--border);border-radius:12px}input[aria-invalid=true]{border-color:var(--danger)}.code-input{font-size:1.5rem;letter-spacing:.3em;text-align:center;font-family:ui-monospace,Menlo,monospace}.check{display:flex;align-items:center;gap:10px;min-height:44px}.check input{width:22px;height:22px;accent-color:var(--accent)}.seg{display:flex;flex-wrap:wrap;gap:8px}.seg label{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;min-height:44px;border-radius:999px;border:1px solid var(--border);cursor:pointer;background:var(--bg)}.seg label.on{background:var(--surface2);border-color:var(--accent)}.seg input{accent-color:var(--accent)}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:6px 14px;min-height:40px;border-radius:999px;border:1px solid var(--border);background:var(--bg);cursor:pointer}.chip.on{border-color:var(--accent);background:var(--surface2)}.file-btn{cursor:pointer;align-self:flex-start}.file-btn:focus-within{outline:3px solid var(--accent);outline-offset:2px}.badge{display:inline-flex;align-items:center;gap:5px;font-size:.75rem;padding:2px 10px;border-radius:999px;background:var(--bg);border:1px solid var(--border);white-space:nowrap}.badge-warn{border-color:var(--warn);color:var(--warn)}.badge-npc{background:#3b3466;border-color:#8a7fe0}.badge-human{background:#1f4a45;border-color:var(--teal)}.dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.conn-connected .dot{background:#5fd49a}.conn-connecting .dot,.conn-reconnecting .dot{background:var(--warn);animation:pulse 1s infinite}.conn-offline .dot,.conn-failed .dot{background:var(--danger)}.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.room-card{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.room-card-main{flex:1 1 200px;min-width:0}.room-card-side{display:flex;align-items:center;gap:10px}.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0;min-width:0}.waiting{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:12px}.spinner{width:36px;height:36px;border-radius:50%;border:4px solid var(--surface2);border-top-color:var(--accent);animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.avatar-slot{--size: 120px;position:relative;width:var(--size);height:calc(var(--size) * 1.1);flex:none;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,hsl(var(--hue) 40% 30%),hsl(var(--hue) 35% 18%));display:flex;align-items:flex-end;justify-content:center}.avatar-sm{--size: 72px}.avatar-lg{--size: 150px}.avatar-figure{position:absolute;inset:0}.avatar-hair{position:absolute;left:24%;top:12%;width:52%;height:40%;border-radius:50% 50% 40% 40%;background:hsl(var(--hue) 65% 60%)}.avatar-face{position:absolute;left:31%;top:22%;width:38%;height:30%;border-radius:50%;background:#ffe3d0}.avatar-body{position:absolute;left:14%;bottom:-8%;width:72%;height:38%;border-radius:50% 50% 0 0;background:hsl(var(--hue) 45% 45%)}.avatar-note,.avatar-dev{position:absolute;left:0;right:0;text-align:center;font-size:.6rem;line-height:1.2}.avatar-note{bottom:2px;background:#00000073;padding:1px 2px}.avatar-dev{top:2px;color:#ffe2b6}.avatar-sm .avatar-note{display:none}.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.avatar-choice{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;text-align:center;background:var(--bg2)}.avatar-choice.on{border-color:var(--accent)}.avatar-choice input{position:absolute;opacity:0;pointer-events:none}.avatar-choice:focus-within{outline:3px solid var(--accent)}.study{display:grid;grid-template-columns:340px 1fr;gap:18px;align-items:start}.timer-panel{position:sticky;top:64px;background:linear-gradient(160deg,#26385f,#1f4a54);border:1px solid var(--border);border-radius:20px;padding:18px;display:flex;flex-direction:column;gap:12px;z-index:5}.timer-main{display:flex;flex-direction:column}.timer-label{color:var(--muted);font-size:.9rem}.timer-value{font-size:clamp(2.6rem,9vw,3.6rem);font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}.timer-main.reached .timer-label{color:var(--accent);font-weight:700;font-size:1.1rem}.timer-main.reached .timer-value{color:var(--accent)}.bar{height:10px;border-radius:999px;background:#ffffff24;overflow:hidden}.bar span{display:block;height:100%;background:var(--teal);border-radius:999px;transition:width .5s}.bar span.full{background:var(--accent)}.seats-area{display:flex;flex-direction:column;gap:12px;min-width:0}.seat-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}.seat{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px;min-width:0}.seat-self{border-color:var(--accent)}.seat-off{opacity:.65}.seat-empty{justify-content:center;align-items:center;min-height:100px;border-style:dashed;background:transparent}.seat-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.seat-name{display:flex;flex-wrap:wrap;gap:6px;align-items:center}.seat-goal{font-size:.9rem;color:#d3def2}.cheer-panel{display:flex;flex-direction:column;gap:10px;border-color:var(--accent)}.dev-panel,.dev-inline{grid-column:1 / -1;border:1px dashed var(--warn);border-radius:12px;padding:10px;background:#f0b35a12;display:flex;flex-direction:column;gap:8px}.dev-inline{flex-direction:row;flex-wrap:wrap;align-items:center;margin-bottom:12px;padding:6px 10px}.dev-panel summary{cursor:pointer;color:var(--warn);font-size:.85rem;min-height:32px}.result{text-align:center;display:flex;flex-direction:column;gap:6px;padding:24px 16px;background:linear-gradient(160deg,#2b3f6b,#234a54)}.result-time{font-size:3rem;font-weight:800;font-variant-numeric:tabular-nums}.result-pct{font-size:1.4rem;color:var(--accent);font-weight:700}.comment{display:flex;flex-direction:column;padding:8px 12px;background:var(--bg2);border-radius:12px}.share-layout{display:grid;grid-template-columns:minmax(0,360px) 1fr;gap:20px;align-items:start}.share-preview{display:flex;flex-direction:column;gap:6px;position:sticky;top:64px}.share-canvas{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);background:#000;max-height:70vh;object-fit:contain}@media(max-width:760px){.study{grid-template-columns:1fr;gap:10px}.timer-panel{position:sticky;top:56px;padding:12px;gap:8px;border-radius:16px}.timer-value{font-size:2.4rem}.timer-panel .muted.small:last-child{display:none}.share-layout{grid-template-columns:1fr}.share-preview{position:static}.share-canvas{max-height:50vh}.main{padding:14px 12px 60px}.seat-grid{grid-template-columns:1fr}}.seat:has(.seat-avatar-3d){flex-wrap:wrap}.seat-avatar-3d{width:100%;min-width:0}.seat-avatar-3d p{font-size:.75rem;color:var(--muted)}