:root{--pink: #ff6b9d;--pink-deep: #e8829f;--bg: #fff0f6;--ink: #4a2330}*{box-sizing:border-box}body{margin:0;font-family:Hiragino Sans,Noto Sans JP,system-ui,-apple-system,sans-serif;background:linear-gradient(160deg,#fff0f6,#ffe6f0 40%,#f3e9ff);color:var(--ink);min-height:100vh}header{text-align:center;padding:28px 16px 8px}header h1{margin:0;font-size:2rem}header p{margin:6px 0 0;color:#8a5a6a}main{max-width:1080px;margin:0 auto;padding:16px;display:grid;grid-template-columns:1fr;gap:20px}.controls{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:center;background:#fff;border:2px solid #ffd0e0;border-radius:16px;padding:16px;box-shadow:0 6px 20px #ff6b9d1f}.controls input[type=text]{flex:1 1 360px;min-width:240px;padding:12px 14px;border:2px solid #ffd0e0;border-radius:10px;font-size:1rem}.controls select{padding:12px;border:2px solid #ffd0e0;border-radius:10px;font-size:1rem;background:#fff}button{padding:12px 20px;border:none;border-radius:10px;font-size:1rem;font-weight:700;cursor:pointer;background:var(--pink);color:#fff;transition:transform .08s,opacity .2s}button:hover{transform:translateY(-1px)}button:disabled{opacity:.5;cursor:not-allowed;transform:none}button.secondary{background:#fff;color:var(--pink);border:2px solid var(--pink)}.hint{text-align:center;margin:4px 0 0;color:#8a5a6a;font-size:.85rem}.hint a{color:var(--pink-deep)}.status{text-align:center;min-height:1.4em;font-weight:600}.status.error{color:#d6336c}.status.warn{color:#c47f00}.status.ok{color:#2b8a3e}.stage{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:20px;align-items:start}@media(max-width:860px){.stage{grid-template-columns:1fr}}.canvas-wrap{background:#fff;border:2px solid #ffd0e0;border-radius:16px;padding:12px;box-shadow:0 6px 20px #ff6b9d1f}#brain-canvas{width:100%;height:auto;display:block;border-radius:10px}.meta-card{background:#fff;border:2px solid #ffd0e0;border-radius:16px;padding:16px 18px;box-shadow:0 6px 20px #ff6b9d1f}.meta-card h3{margin:0 0 8px}.meta-card ul{margin:0 0 12px;padding-left:18px;line-height:1.7}.meta-card code{background:#fff0f6;padding:1px 6px;border-radius:6px;font-size:.82rem;word-break:break-all}.label-counts{margin:0;padding-left:18px;line-height:1.7}footer{text-align:center;padding:24px;color:#b08a96;font-size:.85rem}footer a{color:var(--pink-deep)}