:root{--bg: #f4f5f7;--card: #ffffff;--text: #111827;--muted: #6b7280;--line: #e5e7eb;--shadow: 0 10px 30px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}.card{width:100%;max-width:520px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px}.title{font-size:18px;font-weight:800;margin-bottom:6px}.muted{color:var(--muted);font-size:13px}.topbar{display:flex;gap:12px;align-items:center;margin-bottom:12px}.bar{flex:1;height:10px;background:#eef2f7;border-radius:999px;overflow:hidden;border:1px solid var(--line)}.barFill{height:100%;background:#111827}.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-size:12px;border:1px solid var(--line);background:#f8fafc;color:var(--muted);margin-bottom:10px}.question{font-size:18px;font-weight:800;line-height:1.45;margin:8px 0 12px}.choices{display:flex;flex-direction:column;gap:10px;margin-bottom:12px}.choice{text-align:left;width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px;display:flex;gap:10px;align-items:flex-start;cursor:pointer}.choiceIndex{width:26px;height:26px;border-radius:8px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted);flex:0 0 auto}.choiceText{font-size:15px;line-height:1.35}.choiceChosen{border-color:#111827}.choiceRight{border-color:#16a34a}.choiceWrong{border-color:#dc2626}.answerBox{border:1px solid var(--line);border-radius:14px;padding:12px;margin:10px 0 12px}.answerBox.ok{border-color:#16a34a}.answerBox.ng{border-color:#dc2626}.answerTitle{font-weight:800;margin-bottom:6px}.answerText{font-size:14px;color:#111827;line-height:1.5}.primary,.secondary{width:100%;border-radius:14px;padding:12px;border:1px solid var(--line);cursor:pointer;font-weight:800}.primary{background:#111827;color:#fff;border-color:#111827}.secondary{background:#fff;color:#111827}.resultRow{display:flex;justify-content:space-between;gap:12px;margin:14px 0 16px}.resultNum{font-size:22px;font-weight:900}.section{margin-top:14px}.label{font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:700}.row{display:flex;gap:10px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-weight:800;cursor:pointer}.chipActive{border-color:#111827}.qimg{width:100%;height:auto;border-radius:14px;border:1px solid var(--line);margin:10px 0;object-fit:cover}