*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8faff;--card:#fff;--border:#e2e8f0;--text:#1e293b;--text-dim:#64748b;--primary:#6366f1;--primary-light:#6366f11a;--success:#22c55e;--success-light:#22c55e1f;--error:#ef4444;--error-light:#ef44441a;--shadow:0 4px 24px #0000000f}body{background:var(--bg);color:var(--text);background-image:radial-gradient(at 30% 0,#6366f114 0%,#0000 50%),radial-gradient(at 80% 20%,#22c55e0f 0%,#0000 40%);flex-direction:column;align-items:center;min-height:100vh;padding:1rem;font-family:Noto Sans JP,sans-serif;display:flex}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}