/* ==========================================================================
 * FAQ Component
 * ========================================================================== */

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius, var(--radius-lg));
  background: var(--color-surface);
  overflow: hidden;
  transition: box-shadow var(--motion-base, 250ms) var(--ease-out, ease);
}

.faq-item[open] {
  box-shadow: var(--elevation-1);
}

.faq-item__question {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--portal-card-padding, var(--space-4));
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  line-height: var(--lh-body, 1.6);
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::marker {
  content: "";
}

.faq-item__q-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
}

.faq-item__q-text {
  flex: 1;
}

.faq-item__toggle {
  flex-shrink: 0;
  transition: transform 0.25s ease;
  color: var(--color-text-muted);
}

.faq-item[open] .faq-item__toggle {
  transform: rotate(180deg);
}

.faq-item__answer {
  display: flex;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
  border-block-start: 1px solid var(--color-border-light, var(--color-border));
  padding-block-start: var(--space-4);
  line-height: 1.8;
}

.faq-item__a-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  inline-size: 2rem;
  block-size: 2rem;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.875rem;
}

.faq-item__a-text {
  flex: 1;
  color: var(--color-text-secondary, var(--color-text));
}

.faq-item__answer a,
.faq-item__a-text a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.faq-item__answer a:hover,
.faq-item__a-text a:hover {
  color: var(--color-link-hover);
}

/* FAQ ページ内の案内ボックス（axe link-in-text-block） */
.c-box__text a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}

.c-box__text a:hover {
  color: var(--color-link-hover);
}

/* ========== Wearable (≤279px): FAQ最小表示 ========== */
@media (max-width: 279px) {
  .faq-item summary {
    padding: var(--space-watch-sm);
    font-size: var(--font-watch-sm);
    min-height: 2rem;
  }

  .faq-item__answer {
    padding: var(--space-watch-sm);
    font-size: var(--font-watch-xs);
  }
}