:root{--bg-a: #09203f;--bg-b: #1f3b73;--surface: #0b1226cc;--line: #6ee7f0;--text: #edf6ff;--muted: #b6c8de;--ok: #34d399;--bad: #f87171}*{box-sizing:border-box}body{margin:0;color:var(--text);font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Noto Sans JP,sans-serif;min-height:100vh;background:radial-gradient(circle at 10% 10%,#22d3ee33 0 25%,transparent 26%),radial-gradient(circle at 90% 10%,#fb718533 0 20%,transparent 21%),linear-gradient(145deg,var(--bg-a),var(--bg-b))}.container{max-width:960px;margin:0 auto;padding:24px 16px 40px}.header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.logo{font-size:24px;font-weight:700;letter-spacing:.04em}.card{background:var(--surface);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid #9dd9ff55;border-radius:14px;padding:16px;box-shadow:0 10px 30px #0000003a}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}input,select,textarea,button{width:100%;border-radius:10px;border:1px solid #8ab4ff55;padding:11px 12px;font-size:14px}input,select,textarea{background:#0b1a36;color:var(--text);margin-bottom:10px}textarea{min-height:84px;resize:vertical}button{color:var(--text);background:linear-gradient(120deg,#0f766e,#2563eb);cursor:pointer;transition:transform .12s ease}button:hover{transform:translateY(-1px)}button.secondary,.secondary{background:#172554}button.inline,a.inline{width:auto;padding:10px 14px}a.inline{display:inline-block;color:var(--text);text-decoration:none;border-radius:10px;border:1px solid #8ab4ff55}a.inline:hover{transform:translateY(-1px)}.menu-tabs{display:flex;gap:8px;flex-wrap:wrap}.menu-link{display:inline-block;width:auto;padding:10px 14px;border-radius:999px;border:1px solid #8ab4ff66;color:var(--text);text-decoration:none;background:#0f254f;transition:transform .12s ease,border-color .12s ease,background-color .12s ease}.menu-link:hover{transform:translateY(-1px);border-color:#6ee7f0}.menu-link.active{background:linear-gradient(120deg,#0f766e,#2563eb);border-color:#6ee7f0;font-weight:700}.muted{color:var(--muted);font-size:13px}.badge{display:inline-block;font-size:12px;padding:3px 8px;border-radius:999px;margin-left:8px}.badge.ok{background:#10b98122;border:1px solid #10b98188}.badge.bad{background:#ef444422;border:1px solid #ef444488}.children{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:12px}.child{border:1px solid #93c5fd66;border-radius:10px;padding:10px;background:#0f2346aa}.log{margin-top:14px;background:#020617;border:1px solid #475569;border-radius:12px;padding:12px;white-space:pre-wrap;font-size:12px;min-height:120px}.opening-ball{width:88px;height:88px;object-fit:contain;animation:ball-bounce .8s ease-in-out infinite}@keyframes ball-bounce{0%{transform:translateY(0) scale(1)}50%{transform:translateY(-12px) scale(1.03)}to{transform:translateY(0) scale(1)}}