/* ==============================
   FAQページ — page-faq.css
   ※ FV・パンくず・セクション見出しは page-common.css に集約
   ※ ヘッダー・フッター・CTAバンドは style.css に集約
   ※ FAQアイテム(.practice-faq__item)は page-practice.css に集約
   ============================== */

/* ==============================
   パンくず背景をナビと一体化
   ============================== */
.breadcrumb {
  background: var(--color-secondary);
  padding-bottom: 0;
}

/* ==============================
   カテゴリナビ（アイコン付き）
   ============================== */
.faq-nav {
  background: var(--color-secondary);
  padding: 40px 20px 40px;
}

.faq-nav__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.faq-nav__list {
  display: flex;
  justify-content: center;
  gap: 12px;
  list-style: none;
  flex-wrap: wrap;
}

.faq-nav__item a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.3s, color 0.3s, box-shadow 0.3s, background 0.3s;
}

.faq-nav__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  transition: color 0.3s;
}

.faq-nav__item a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(45, 184, 122, 0.12);
}

/* ==============================
   カテゴリセクション（B: section-heading統一）
   ============================== */
.faq-category {
  background: var(--color-bg);
  padding: 80px 20px;
}

.faq-category--alt {
  background: var(--color-secondary);
}

/* C: 少問カテゴリの余白縮小 */
.faq-category--compact {
  padding: 64px 20px;
}

.faq-category__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* H: カテゴリアイコン（section-headingの上に配置） */
.faq-category__icon-wrap {
  text-align: center;
  margin-bottom: 8px;
  color: var(--color-primary);
  opacity: 0.65;
  line-height: 1;
}

.faq-category__icon-wrap svg {
  width: 24px;
  height: 24px;
}

/* J: 白背景カテゴリでFAQカードに軽いshadowを付与 */
.faq-category:not(.faq-category--alt) .practice-faq__item {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

/* ==============================
   アニメーション
   ============================== */

/* --- カテゴリアイコン: ドロップイン --- */
.faq-category__icon-wrap {
  opacity: 0;
}

.faq-category.fade-in.is-visible .faq-category__icon-wrap {
  animation: faqIconDrop 1.0s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

/* --- セクション見出しアンダーライン --- */
.faq-category .section-heading::after {
  transform: scaleX(0);
  transform-origin: center;
}

.faq-category.fade-in.is-visible .section-heading::after {
  animation: underline-grow 1.0s cubic-bezier(0.22, 1, 0.36, 1) 0.6s both;
}

/* --- カテゴリナビ: stagger-child で順次登場 --- */
.faq-nav__item.stagger-child {
  opacity: 0;
}

.faq-nav__item.stagger-child.is-visible {
  animation: faqNavScaleIn 1.0s cubic-bezier(0.22, 1, 0.36, 1) 0.4s both;
}

/* --- Keyframes --- */
@keyframes faqIconDrop {
  from { opacity: 0; transform: translateY(-10px) scale(0.8); }
  to   { opacity: 0.65; transform: translateY(0) scale(1); }
}

@keyframes faqNavScaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

/* --- アクセシビリティ: モーション軽減 --- */
@media (prefers-reduced-motion: reduce) {
  .faq-nav__item.stagger-child,
  .faq-category__icon-wrap {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .faq-category__icon-wrap {
    opacity: 0.65 !important;
  }
}

/* ==============================
   Responsive - Tablet (max-width: 1024px)
   ============================== */
@media (max-width: 1024px) {
  .faq-nav {
    padding: 24px 20px 36px;
  }

  .faq-nav__list {
    gap: 10px;
  }

  .faq-nav__item a {
    padding: 10px 20px;
    font-size: 14px;
  }

  .faq-category {
    padding: 64px 20px;
  }

  .faq-category--compact {
    padding: 52px 20px;
  }

  .faq-category__icon-wrap svg {
    width: 22px;
    height: 22px;
  }
}

/* ==============================
   Responsive - SP (max-width: 768px)
   ============================== */
@media (max-width: 768px) {
  .faq-nav {
    padding: 20px 16px 28px;
  }

  .faq-nav__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .faq-nav__item a {
    padding: 10px 12px;
    font-size: 14px;
    justify-content: center;
  }

  .faq-nav__icon {
    width: 16px;
    height: 16px;
  }

  .faq-category {
    padding: 48px 16px;
  }

  .faq-category--compact {
    padding: 40px 16px;
  }

  .faq-category__icon-wrap svg {
    width: 18px;
    height: 18px;
  }

  /* SP: hover効果無効化 */
  .faq-nav__item a:hover {
    box-shadow: none;
  }

  /* SP: アイコン移動量縮小 */
  @keyframes faqIconDrop {
    from { opacity: 0; transform: translateY(-6px) scale(0.85); }
    to   { opacity: 0.65; transform: translateY(0) scale(1); }
  }
}