/* ================================================================
   writing-task2/outline-sentence-parallelism — local.css
   ================================================================ */

/* 誤用・正用の比較 */
.osp-pair {
  margin: .8rem 0 1.2rem;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(4,63,109,.12);
}
.osp-pair__row {
  display: flex;
  gap: .8rem;
  padding: .85rem 1rem;
  align-items: flex-start;
}
.osp-pair__row--ng {
  background: rgba(200,60,60,.05);
}
.osp-pair__row--ok {
  background: rgba(4,63,109,.05);
  border-top: 1px dashed rgba(4,63,109,.15);
}
.osp-pair__label {
  flex-shrink: 0;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
}
.osp-pair__row--ng .osp-pair__label {
  background: #c25050;
}
.osp-pair__row--ok .osp-pair__label {
  background: var(--lb);
}
.osp-pair__en {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  line-height: 1.7;
  color: var(--black);
}
.osp-pair__ja {
  display: block;
  font-size: .85rem;
  font-weight: 400;
  color: var(--gray3);
  margin-top: .15rem;
}

/* 例文ブロック内の英文と和訳 */
.osp-en {
  margin: 0 0 .1rem;
  font-weight: 600;
}
.osp-jatr {
  margin: 0 0 .6rem;
  font-size: .85rem;
  color: var(--gray3);
}
.osp-jatr:last-child {
  margin-bottom: 0;
}

/* 並列構造の可視化ブロック */
.osp-parse {
  margin: .8rem 0 1.2rem;
  padding: 1rem 1.2rem;
  background: rgba(4,63,109,.04);
  border-radius: 8px;
  border-left: 3px solid var(--lb4);
}
.osp-parse__line {
  margin: 0 0 .5rem;
  font-size: .98rem;
  font-weight: 600;
  line-height: 2.1;
  color: var(--black);
}
.osp-parse__line:last-child {
  margin-bottom: 0;
}
.osp-parse__chunk {
  display: inline-block;
  padding: .05rem .45rem;
  border-radius: 6px;
  background: rgba(70,162,218,.14);
  border: 1px solid rgba(70,162,218,.35);
}
.osp-parse__chunk--ng {
  background: rgba(200,60,60,.08);
  border-color: rgba(200,60,60,.35);
}
.osp-parse__note {
  margin: .4rem 0 0;
  font-size: .85rem;
  color: var(--gray3);
  line-height: 1.75;
}

@media (max-width: 640px) {
  .osp-pair__row {
    padding: .8rem .9rem;
  }
  .osp-parse {
    padding: .85rem 1rem;
  }
}