/* ============================================================
   discourse-markers 記事専用スタイル
   本文と設問を見比べる比較ブロック（dm-qa）
   ============================================================ */

.dm-qa {
  border: 1px solid var(--gray7);
  border-radius: 10px;
  overflow: hidden;
  margin: .6rem 0 1.5rem;
}
.dm-qa__pane { padding: 1.1rem 1.35rem 1.3rem; }
.dm-qa__pane--passage { background: var(--lb5); }
.dm-qa__pane--question { background: #fff; }

.dm-qa__tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  color: var(--blue2);
  background: rgba(4, 63, 109, .10);
  padding: .3rem .7rem;
  border-radius: 999px;
  margin-bottom: .6rem;
}
.dm-qa__pane--question .dm-qa__tag {
  color: #8a5a00;
  background: #fdf1d6;
}

.a-main .dm-qa__en {
  font-size: .92rem;
  line-height: 1.85;
  margin: 0;
}
.a-main .dm-qa__en + .dm-qa__en { margin-top: .65rem; }
.a-main .dm-qa__omit {
  font-size: .8rem;
  color: var(--gray3);
  text-align: center;
  margin: .5rem 0;
}
.a-main .dm-qa__inst {
  font-size: .78rem;
  color: var(--gray3);
  margin: 0 0 .8rem;
  line-height: 1.6;
}

/* 設問番号 + 設問文 */
.dm-qa__q {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
}
.dm-qa__qnum {
  flex: 0 0 auto;
  min-width: 1.9rem;
  height: 1.9rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: .9rem;
  color: #fff;
  background: var(--blue2);
  border-radius: 6px;
  padding: 0 .3rem;
}
.dm-qa__qbody { flex: 1; min-width: 0; }
.a-main .dm-qa__qbody p { margin: 0; }

/* 選択肢（縦並び：4択・人物リスト） */
.dm-qa__opts {
  list-style: none;
  margin: .8rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.dm-qa__opts li {
  display: flex;
  gap: .6rem;
  align-items: baseline;
  font-size: .9rem;
  line-height: 1.7;
  padding: .35rem .6rem;
  border-radius: 6px;
}
.dm-qa__opts li > span:first-child {
  flex: 0 0 auto;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  color: var(--gray2);
}
.dm-qa__opts li.is-answer {
  background: #e8f5ec;
  font-weight: 600;
}
.dm-qa__opts li.is-answer > span:first-child { color: #1e7a3c; }

/* 選択肢（横並びピル：TRUE / FALSE / NOT GIVEN） */
.dm-qa__opts--row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: .45rem;
}
.dm-qa__opts--row li {
  border: 1px solid var(--gray7);
  padding: .3rem .8rem;
  font-family: 'Raleway', sans-serif;
  font-size: .82rem;
  font-weight: 600;
  color: var(--gray2);
}
.dm-qa__opts--row li.is-answer {
  border-color: #1e7a3c;
  color: #1e7a3c;
  background: #e8f5ec;
}

/* ノート補完 */
.dm-qa__note {
  margin-top: .8rem;
  font-size: .9rem;
  line-height: 1.9;
}
.a-main .dm-qa__note-title { font-weight: 700; margin: 0 0 .4rem; }
.dm-qa__note ul { margin: 0; padding-left: 1.2rem; }
.dm-qa__blank {
  display: inline-block;
  min-width: 6.5rem;
  border-bottom: 1px solid var(--gray4);
}

/* 正解表示 */
.a-main .dm-qa__ans {
  margin: 1.35rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--gray7);
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: .65rem;
}
.dm-qa__ans-label {
  flex: 0 0 auto;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1;
  color: #1e7a3c;
  background: #e8f5ec;
  padding: .3rem .7rem;
  border-radius: 999px;
}

@media (max-width: 600px) {
  .dm-qa__pane { padding: .9rem 1rem 1rem; }
  .dm-qa__opts li { font-size: .87rem; }
}