.article-category-disclosure {
  overflow: hidden;
  border-color: #CBD5E1;
  border-left: 4px solid var(--primary);
  border-radius: 6px;
  box-shadow: none;
}

.article-category-disclosure[open] {
  border-color: #9CC4FF;
  box-shadow: 0 14px 24px rgba(37, 99, 235, 0.1);
}

.article-category-disclosure:focus-within {
  border-color: #9CC4FF;
  box-shadow: 0 14px 24px rgba(37, 99, 235, 0.1);
}

.article-category-summary {
  position: relative;
  padding-right: 190px;
  cursor: pointer;
}

.article-category-summary p {
  margin-bottom: 0;
}

.article-category-summary:hover h3,
.article-category-summary:focus-visible h3 {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.article-category-disclosure-toggle {
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--primary);
  font-size: 0.86rem;
  font-weight: 900;
  transform: translateY(-50%);
}

.article-category-disclosure-toggle::after {
  content: "論点一覧を開く ＋";
}

.article-category-disclosure[open] .article-category-disclosure-toggle::after {
  content: "論点一覧を閉じる −";
}

.article-category-disclosure-panel {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid #DBEAFE;
}

.article-topic-title-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.article-topic-title-card {
  display: flex;
  align-items: center;
  min-height: 64px;
}

.article-topic-title-card h3 {
  font-size: 1rem;
}

.boki-topic-section[id],
#boki-3kyuu,
#boki-benkyou-method {
  scroll-margin-top: 92px;
}

@media (max-width: 600px) {
  .article-category-summary {
    padding-right: 12px;
  }

  .article-category-disclosure-toggle {
    position: static;
    display: block;
    margin-top: 10px;
    transform: none;
  }

  .article-topic-title-grid {
    grid-template-columns: 1fr;
  }
}