/* ===== 数検3級トレーニング（WordPress版・#suken-app にスコープ） ===== */
.suken-app {
  --navy: #1d3a63;
  --blue: #2f6fb3;
  --blue-soft: #e7f0fa;
  --card: #ffffff;
  --ink: #243044;
  --muted: #5b6a80;
  --line: #d9e1ec;
  --ok: #1e8a4e;
  --ok-bg: #e9f6ee;
  --ng: #c03434;
  --ng-bg: #fbecec;
  --gold: #f0c75e;
  max-width: 720px;
  margin: 0 auto;
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}
.suken-app *, .suken-app *::before, .suken-app *::after { box-sizing: border-box; }
.suken-app [hidden] { display: none !important; }

.suken-app :focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }

.suken-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 14px 0;
}
.suken-app h3 { margin: 0 0 10px; font-size: 1.05rem; color: var(--navy); }
.suken-app h4 { margin: 0 0 4px; font-size: 0.85rem; }
.suken-small { font-size: 0.8rem; color: var(--muted); }
.suken-error { color: var(--ng); font-weight: bold; }

/* アカウントバー */
.suken-account {
  display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center;
  justify-content: space-between;
  background: var(--blue-soft);
  border-radius: 10px; padding: 10px 14px; font-size: 0.85rem;
}
.suken-account a { color: var(--blue); }

/* 級カード */
.suken-grade { display: flex; gap: 14px; align-items: center; }
.suken-grade p { margin: 2px 0; }
.suken-badge {
  flex: 0 0 auto; background: var(--navy); color: var(--gold);
  font-size: 1.3rem; font-weight: bold; border-radius: 12px; padding: 14px 16px;
}

/* 分野選択 */
.suken-fieldgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 10px; }
.suken-fieldgrid label {
  display: flex; align-items: center; gap: 8px; padding: 9px 10px;
  border: 1px solid var(--line); border-radius: 8px; cursor: pointer; min-height: 44px;
}
.suken-fieldgrid input { width: 18px; height: 18px; flex: 0 0 auto; }
.suken-mode { grid-column: 1 / -1; font-weight: bold; }

.suken-countrow { display: flex; align-items: center; gap: 10px; margin: 14px 0; }
.suken-countrow select {
  font-size: 1rem; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: #fff; min-height: 44px;
}

/* ボタン */
.suken-btn {
  display: inline-block; font-size: 1rem; font-family: inherit; text-decoration: none;
  padding: 10px 18px; min-height: 46px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer;
}
.suken-btn:hover { background: var(--blue-soft); }
.suken-primary { background: var(--blue); border-color: var(--blue); color: #fff; font-weight: bold; }
.suken-primary:hover { background: #275f9b; }
.suken-big { width: 100%; padding: 13px 18px; font-size: 1.05rem; }
.suken-ghost { border: none; background: none; color: var(--muted); text-decoration: underline; }
.suken-small-btn { min-height: 0; padding: 6px 12px; font-size: 0.85rem; }
.suken-btn:disabled { opacity: 0.6; cursor: default; }

/* クイズ */
.suken-quizhead { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; font-weight: bold; color: var(--navy); }
.suken-chip { background: var(--navy); color: #fff; font-size: 0.8rem; padding: 3px 12px; border-radius: 99px; }
.suken-q { font-size: 1.05rem; margin-bottom: 14px; }
.suken-q .katex { font-size: 1.15em; }

.suken-choices { display: grid; gap: 8px; }
.suken-choice {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  font-size: 1rem; font-family: inherit; padding: 11px 12px; min-height: 50px;
  border: 1.5px solid var(--line); border-radius: 10px; background: #fff; cursor: pointer;
  white-space: normal; word-break: break-word;
}
.suken-choice:hover:not(:disabled) { background: var(--blue-soft); border-color: var(--blue); }
.suken-num {
  flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%;
  background: var(--blue-soft); color: var(--navy); font-size: 0.8rem; font-weight: bold;
  display: flex; align-items: center; justify-content: center;
}
.suken-choice:disabled { cursor: default; }
.suken-choice.is-correct { background: var(--ok-bg); border-color: var(--ok); }
.suken-choice.is-correct .suken-num { background: var(--ok); color: #fff; }
.suken-choice.is-incorrect { background: var(--ng-bg); border-color: var(--ng); }
.suken-choice.is-incorrect .suken-num { background: var(--ng); color: #fff; }

.suken-feedback { margin-top: 16px; }
.suken-judge { font-size: 1.15rem; font-weight: bold; margin: 0 0 10px; }
.suken-judge.ok { color: var(--ok); }
.suken-judge.ng { color: var(--ng); }
.suken-explain { border-left: 4px solid var(--blue); background: var(--blue-soft); border-radius: 0 8px 8px 0; padding: 10px 14px; margin: 10px 0; }
.suken-explain div { font-size: 0.95rem; }
.suken-explain h4 { color: var(--navy); }
.suken-formula { border-left-color: var(--gold); background: #fbf6e6; }
.suken-formula h4 { color: #8a6d1a; }
.suken-formula div { font-weight: 600; }
.suken-wrong { border-left-color: var(--ng); background: var(--ng-bg); }
.suken-wrong h4 { color: var(--ng); }
.suken-tips { border-left-color: var(--gold); background: #fdf6e3; }
.suken-tips h4 { color: #8a6d1a; }

.suken-quizfoot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.suken-kbd { font-size: 0.75rem; color: var(--muted); }

/* 結果・成績 */
.suken-score { font-size: 1.5rem; font-weight: bold; margin: 6px 0; color: var(--navy); }
.suken-statrow { margin: 10px 0; }
.suken-statlabel { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 3px; }
.suken-statbar { height: 12px; border-radius: 99px; background: var(--line); overflow: hidden; }
.suken-statbar span { display: block; height: 100%; border-radius: 99px; }
.suken-statbar .lv-high { background: var(--ok); }
.suken-statbar .lv-mid { background: var(--gold); }
.suken-statbar .lv-low { background: var(--ng); }
.suken-resultbtns { display: flex; gap: 10px; flex-wrap: wrap; }

.suken-note { font-size: 0.72rem; color: var(--muted); margin: 18px 0 0; text-align: center; }

@media (max-width: 480px) {
  .suken-fieldgrid { grid-template-columns: 1fr; }
  .suken-grade { flex-direction: column; align-items: flex-start; gap: 8px; }
  .suken-resultbtns .suken-btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  .suken-app * { animation: none !important; transition: none !important; }
}