/* -------------------------------------------------------------------------
       DESIGN SYSTEM & VARIABLES (既存トップ・商品詳細・カートからの完全継承)
    ------------------------------------------------------------------------- */

    /* 基本リセット */

    /* -------------------------------------------------------------------------
       【共通デザイン：グローバルナビゲーション】
    ------------------------------------------------------------------------- */

    /* -------------------------------------------------------------------------
       パンくずリスト
    ------------------------------------------------------------------------- */

    /* -------------------------------------------------------------------------
       ファーストビュー（ページタイトル・導入文）
    ------------------------------------------------------------------------- */
    .faq-hero-section {
      text-align: center;
      padding: 5rem 2rem 3rem 2rem;
      max-width: 1000px;
      margin: 0 auto;
    }
    .faq-hero-title {
      font-family: var(--font-display);
      font-size: 2.5rem;
      font-weight: 400;
      line-height: 1.4;
      color: var(--text-dark);
      margin-bottom: 2rem;
      letter-spacing: 0.15em;
    }
    .faq-hero-lead {
      font-size: 1rem;
      color: var(--text-muted);
      line-height: 2;
      margin-bottom: 1.5rem;
    }
    .faq-hero-sub-notice {
      font-family: var(--font-display);
      font-size: 0.95rem;
      color: var(--color-sub);
    }
    .faq-hero-sub-notice a {
      text-decoration: underline;
      color: var(--color-main);
      font-weight: 500;
    }

    /* -------------------------------------------------------------------------
       FAQ内リアルタイム検索エリア
    ------------------------------------------------------------------------- */
    .faq-search-section {
      max-width: 800px;
      margin: 0 auto 4rem auto;
      padding: 0 2rem;
    }
    .search-input-group {
      position: relative;
      display: flex;
      align-items: center;
      box-shadow: 0 10px 25px rgba(138, 106, 74, 0.05);
    }
    .search-icon-box {
      position: absolute;
      right: 1.5rem;
      color: var(--color-sub);
      display: flex;
      align-items: center;
      pointer-events: none;
    }
    .search-icon-box svg {
      width: 22px;
      height: 22px;
      stroke-width: 1.5;
    }
    .search-result-stats {
      font-family: var(--font-display);
      font-size: 0.9rem;
      color: var(--text-muted);
      margin-top: 1rem;
      padding-left: 0.5rem;
      display: none; /* 検索実行時のみ表示 */
    }
    .search-result-stats span.highlight {
      color: var(--color-main);
      font-weight: bold;
    }

    /* -------------------------------------------------------------------------
       カテゴリーナビゲーション
    ------------------------------------------------------------------------- */
    .category-nav-section {
      max-width: 1200px;
      margin: 0 auto 5rem auto;
      padding: 0 2rem;
    }
    .category-nav-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.2rem;
    }
    /* 7カテゴリーのため最後を少し調整するデザイン、またはフレックス */
    @media (min-width: 769px) {
      .category-nav-grid {
        grid-template-columns: repeat(4, 1fr);
      }
      .category-nav-item:nth-child(7) {
        grid-column: span 2;
      }
    }
    .category-nav-btn {
      background-color: #FFFFFF;
      border: 1px solid rgba(138, 106, 74, 0.15);
      padding: 1.2rem 1rem;
      text-align: center;
      font-family: var(--font-display);
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-dark);
      transition: all 0.4s ease;
      cursor: pointer;
    }
    .category-nav-btn:hover {
      border-color: var(--color-main);
      background-color: rgba(85, 107, 77, 0.03);
      color: var(--color-main);
      transform: translateY(-2px);
    }

    /* -------------------------------------------------------------------------
       FAQアコーディオン＆カテゴリーブロック
    ------------------------------------------------------------------------- */
    .faq-content-container {
      max-width: 1000px;
      margin: 0 auto 6rem auto;
      padding: 0 2rem;
    }
    .faq-category-block {
      margin-bottom: 5rem;
      transition: opacity 0.4s, transform 0.4s;
    }
    .faq-category-title-row {
      border-bottom: 2px solid var(--color-main);
      padding-bottom: 0.8rem;
      margin-bottom: 2rem;
      display: flex;
      align-items: baseline;
      gap: 1rem;
    }
    .faq-category-title-ja {
      font-family: var(--font-display);
      font-size: 1.5rem;
      font-weight: 600;
      color: var(--text-dark);
    }
    .faq-category-title-en {
      font-family: var(--font-en);
      font-size: 0.85rem;
      color: var(--color-sub);
      letter-spacing: 0.15em;
      text-transform: uppercase;
    }

    /* アコーディオンアイテム */
    .faq-accordion-item {
      background-color: #FFFFFF;
      border: 1px solid rgba(138, 106, 74, 0.1);
      margin-bottom: 1.2rem;
      transition: box-shadow 0.3s, border-color 0.3s;
    }
    .faq-accordion-item:hover {
      border-color: rgba(138, 106, 74, 0.25);
      box-shadow: 0 8px 20px rgba(138, 106, 74, 0.03);
    }

    /* 質問ボタン部分 */
    .faq-accordion-trigger {
      width: 100%;
      padding: 1.8rem 2.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1.5rem;
      text-align: left;
      cursor: pointer;
    }
    .faq-question-content {
      display: flex;
      align-items: flex-start;
      gap: 1.2rem;
    }
    .faq-badge-q {
      font-family: var(--font-en);
      font-size: 1.3rem;
      font-weight: 500;
      color: var(--color-sub);
      line-height: 1;
    }
    .faq-question-text {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.6;
    }

    /* 開閉矢印アイコン */
    .faq-icon-arrow {
      color: var(--color-sub);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    }
    .faq-icon-arrow svg {
      width: 18px;
      height: 18px;
      stroke-width: 1.5;
    }
    /* アクティブ時の回転 */
    .faq-accordion-item.is-active .faq-icon-arrow {
      transform: rotate(180deg);
      color: var(--color-main);
    }

    /* 回答パネル部分 */
    .faq-accordion-panel {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease;
      opacity: 0;
    }
    .faq-accordion-item.is-active .faq-accordion-panel {
      opacity: 1;
    }
    .faq-answer-inner {
      padding: 0 2.5rem 2.2rem 5rem; /* 質問テキストの開始位置に合わせるインデント */
      display: flex;
      gap: 1.2rem;
    }
    .faq-badge-a {
      font-family: var(--font-en);
      font-size: 1.3rem;
      font-weight: 500;
      color: var(--color-main);
      line-height: 1;
    }
    .faq-answer-text {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.9;
      text-align: justify;
    }
    /* 箇条書きなど、回答内の構造化タグの美化 */
    .faq-answer-text ul {
      margin-top: 0.8rem;
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }
    .faq-answer-text li {
      position: relative;
      padding-left: 1.2rem;
    }
    .faq-answer-text li::before {
      content: "・";
      position: absolute;
      left: 0;
      color: var(--color-sub);
      font-weight: bold;
    }

    /* -------------------------------------------------------------------------
       解決しない場合（お問い合わせへの導線）
    ------------------------------------------------------------------------- */
    .faq-unresolved-section {
      background-color: var(--text-dark);
      color: var(--bg-base);
      text-align: center;
      padding: 7rem 2rem;
      position: relative;
    }
    .faq-unresolved-section::before {
      content: '';
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: url('https://images.unsplash.com/photo-1541701494587-cb58502866ab?auto=format&fit=crop&w=1000&q=80') center/cover no-repeat;
      opacity: 0.04;
      pointer-events: none;
    }
    .faq-unresolved-title {
      font-family: var(--font-display);
      font-size: 2rem;
      font-weight: 400;
      line-height: 1.6;
      margin-bottom: 1.5rem;
      letter-spacing: 0.12em;
    }
    .faq-unresolved-desc {
      color: rgba(248, 245, 240, 0.7);
      font-size: 0.95rem;
      max-width: 700px;
      margin: 0 auto 3.5rem auto;
      line-height: 1.8;
    }

    /* ページ上部へ戻る導線 */
    .back-to-top-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 3rem 2rem;
      display: flex;
      justify-content: flex-end;
    }
    .back-to-top-btn {
      font-family: var(--font-display);
      font-size: 0.9rem;
      color: var(--text-muted);
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      cursor: pointer;
      transition: color 0.3s;
    }
    .back-to-top-btn:hover {
      color: var(--color-main);
    }
    .back-to-top-btn svg {
      width: 16px;
      height: 16px;
      stroke-width: 1.5;
      transition: transform 0.3s;
    }
    .back-to-top-btn:hover svg {
      transform: translateY(-3px);
    }

    /* -------------------------------------------------------------------------
       【共通デザイン：フッター】
    ------------------------------------------------------------------------- */

    /* -------------------------------------------------------------------------
       RESPONSIVE DESIGN (スマホ・タブレット対応)
    ------------------------------------------------------------------------- */
    @media (max-width: 1024px) {
      .category-nav-grid { grid-template-columns: repeat(2, 1fr); }
      .category-nav-item:nth-child(7) { grid-column: span 2; }
    }
    @media (max-width: 768px) {
      .faq-hero-title { font-size: 1.8rem; }
      .category-nav-grid { grid-template-columns: 1fr; }
      .category-nav-item:nth-child(7) { grid-column: span 1; }
      .faq-accordion-trigger { padding: 1.5rem; }
      .faq-answer-inner { padding: 0 1.5rem 1.5rem 1.5rem; flex-direction: column; gap: 0.5rem; }
      .faq-badge-a { display: none; } /* スマホ幅ではQ&Aバッジを簡素化 */
      .faq-question-text { font-size: 0.95rem; }
      .faq-answer-text { font-size: 0.88rem; }
      .btn-accent { width: 100%; }
    }