:root{--bg:#f7f8fb;--text:#1f2937;--muted:#6b7280;--card:#fff;--line:#dde3ea;--primary:#1f6feb;--bar:#7daaf7}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}.container{width:min(960px,calc(100% - 32px));margin:0 auto}.site-header,.site-footer{background:#fff;border-bottom:1px solid var(--line)}.site-footer{border-top:1px solid var(--line);border-bottom:0;margin-top:48px}.brand{display:inline-block;padding:18px 0;font-weight:700;color:var(--text);text-decoration:none}main.container{padding-top:32px}h1{font-size:2rem;margin-bottom:16px}h2{font-size:1.15rem;margin-top:0}.lead{color:var(--muted);margin-bottom:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:18px}.stack{display:grid;gap:18px}.btn{display:inline-block;background:var(--primary);color:white;text-decoration:none;border:0;border-radius:10px;padding:14px 20px;font-size:1rem;cursor:pointer}.btn.secondary{background:#eef3ff;color:#1557b0}.choices{display:grid;gap:10px}.choice,.selectable{display:block;border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}.list{padding-left:20px}label{display:grid;gap:8px;margin-bottom:14px}input[type=text],input[type=email],select{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:1rem}.checkbox{display:flex;gap:10px;align-items:flex-start}.chart-row{display:grid;grid-template-columns:220px 1fr 48px;gap:12px;align-items:center;margin-bottom:10px}.chart-bar-wrap{width:100%;height:18px;background:#eef2f8;border-radius:999px;overflow:hidden}.chart-bar{height:100%;background:var(--bar)}.chart-score{text-align:right;color:var(--muted)}.error-box{background:#fff3f2;border:1px solid #e7b6b1;padding:1rem 1.2rem;border-radius:12px;margin-bottom:1rem}.small-note{font-size:.9rem;color:#555}.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}@media(max-width:720px){.chart-row{grid-template-columns:1fr}}