body {
  font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.7;
  margin: 0;
  padding: 0;
  background-color: #fafbfc;
  color: #2c3e50;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.faq-list {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.faq-card {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  margin-bottom: 20px;
  transition: box-shadow 0.3s ease;
}

.faq-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.faq-card h2 {
  margin-top: 0;
  margin-bottom: 15px;
  color: #333;
  font-size: 1.4em;
  border-bottom: 2px solid #007cba;
  padding-bottom: 8px;
}

.faq-content {
  color: #555;
  line-height: 1.8;
}

.faq-content h3 {
  color: #333;
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 1.2em;
}

.faq-meta {
  font-size: 0.9em;
  color: #666;
  margin-top: 15px;
  padding-top: 10px;
  border-top: 1px solid #eee;
}

/* カード番号リンクのスタイル */
.card-link {
  background-color: #007cba;
  color: white !important;
  padding: 2px 6px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: bold;
  font-size: 0.9em;
  display: inline-block;
  margin: 0 2px;
  transition: background-color 0.3s ease;
}

.card-link:hover {
  background-color: #005a8b;
  text-decoration: none;
}

/* 質問文専用のカードリンクスタイル - 読みやすく自然に */
.title-card-link {
  color: #007cba !important;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color 0.3s ease;
}

.title-card-link:hover {
  color: #005a8b !important;
  text-decoration: underline;
}

/* FAQ質問文内のカードリンクスタイル - 読みやすく自然に */
h1 a, h2 a {
  color: #007cba !important;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
  font-weight: 600;
  transition: color 0.3s ease;
}

h1 a:hover, h2 a:hover {
  color: #005a8b !important;
  text-decoration: underline;
}

/* 引用スタイル */
blockquote {
  background: #f8fafc;
  border-left: 4px solid #3b82f6;
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  font-style: italic;
  color: #475569;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
}

blockquote p {
  margin: 0;
  line-height: 1.6;
}

/* カード詳細ページ */
.card-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.card-content h3 {
  color: #007cba;
  border-bottom: 1px solid #ddd;
  padding-bottom: 5px;
}

.card-content h2 {
  color: #007cba;
  border-bottom: 2px solid #007cba;
  padding-bottom: 8px;
  margin-top: 25px;
}

/* カードテキストを太く表示 */
.card-content h2 + p,
.card-content h2 + div {
  font-weight: 600;
  line-height: 1.6;
  color: #222;
  margin-bottom: 40px; /* カードテキスト下の間隔を追加 */
}

/* カードテキストとフレーバーテキスト間の間隔 */
.card-content h2 + p + hr,
.card-content h2 + div + hr,
.card-content hr {
  margin-top: 40px;
  margin-bottom: 25px;
  border: none;
  border-top: 1px solid #ddd;
}

/* フレーバーテキスト・イラストレーター部分の調整 */
.card-content hr + p {
  margin-bottom: 8px;
}

/* カード詳細ページ全体での区切り線後の段落調整 */
.card-detail hr + p {
  margin-top: 0;
  margin-bottom: 8px;
}

.card-content p {
  margin-bottom: 10px;
}

.card-content strong {
  color: #333;
}

.card-meta {
  font-size: 0.9em;
  color: #666;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid #eee;
}

/* FAQ番号の表示 */
.faq-number {
  background-color: #007cba;
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.8em;
  font-weight: bold;
  white-space: nowrap;
}

.faq-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
  gap: 10px;
}

.faq-detail {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.pagination {
  margin: 30px 0;
  text-align: center;
}

.pagination a, .pagination span {
  display: inline-block;
  padding: 8px 12px;
  margin: 0 5px;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

.pagination a {
  background-color: #f0f0f0;
  color: #333;
}

.pagination a:hover {
  background-color: #007cba;
  color: white;
}

.pagination span {
  background-color: #333;
  color: white;
}

.pagination-info {
  text-align: center;
  margin-top: 10px;
  font-size: 0.9em;
  color: #666;
}

header {
  background: linear-gradient(135deg, #1f2937 0%, #374151 50%, #4b5563 100%);
  color: white;
  padding: 0.7rem 0;
  box-shadow: 0 2px 20px rgba(31, 41, 55, 0.15);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1000;
  min-height: 60px;
}

header nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  min-height: 40px;
}

header h1 {
  margin: 0;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #ffffff;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  line-height: 1;
  display: flex;
  align-items: center;
}

header a {
  color: #ffffff !important;
  text-decoration: none;
  transition: opacity 0.3s ease;
}

header a:hover {
  opacity: 0.85;
}

/* ハンバーガーメニュー */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  z-index: 101;
}

.mobile-menu-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 20px;
  background-color: #1a1a1a;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  z-index: 9999;
  min-width: 220px;
  max-height: 80vh;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu div {
  padding: 10px 20px 5px 20px;
  color: #888;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1px solid #333;
}

.mobile-menu a {
  display: block;
  color: white !important;
  text-decoration: none;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: background-color 0.3s ease;
  font-weight: 500;
}

.mobile-menu a:last-child {
  border-bottom: none;
}

.mobile-menu a:hover {
  background-color: #333;
}

/* ドロップダウンメニューのスタイル */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #1a1a1a;
  min-width: 180px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1001;
  margin-top: 5px;
}

.dropdown-content a {
  color: white !important;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  transition: background-color 0.3s ease;
  font-weight: 400;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background-color: #333;
}

.dropdown:hover .dropdown-content {
  display: block;
}

/* デスクトップメニューのスタイル調整 */
.desktop-menu {
  display: flex;
  gap: 25px;
  align-items: center;
  height: 100%;
}

.desktop-menu a, .desktop-menu span {
  line-height: 1;
  padding: 4px 0;
}

/* スムーズスクロール */
.mobile-menu {
  scrollbar-width: thin;
  scrollbar-color: #444 #1a1a1a;
}

.mobile-menu::-webkit-scrollbar {
  width: 6px;
}

.mobile-menu::-webkit-scrollbar-track {
  background: #1a1a1a;
}

.mobile-menu::-webkit-scrollbar-thumb {
  background: #444;
  border-radius: 3px;
}

.mobile-menu::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9998;
  background: transparent;
}

/* レスポンシブメニュー */
@media (max-width: 768px) {
  .desktop-menu {
    display: none !important;
  }
  
  .mobile-menu-btn {
    display: block !important;
  }
  
  .mobile-menu.active {
    display: block !important;
    animation: slideDown 0.3s ease-out;
  }
  
  .mobile-menu {
    min-width: 200px;
    max-height: 70vh;
  }
  
  .mobile-menu div {
    padding: 8px 15px 4px 15px !important;
    font-size: 0.75rem;
  }
  
  .mobile-menu a {
    padding: 10px 15px;
    font-size: 0.9rem;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width: 480px) {
  .mobile-menu {
    right: 10px !important;
    min-width: 180px;
    max-height: 65vh;
  }
  
  .mobile-menu a {
    padding: 8px 12px;
    font-size: 0.85rem;
  }
  
  .mobile-menu div {
    padding: 6px 12px 3px 12px !important;
    font-size: 0.7rem;
  }
  
  header h1 a {
    font-size: clamp(0.9rem, 3vw, 1.3rem) !important;
  }
}

/* カード詳細ページ */

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

/* トップに戻るボタン */
.back-to-top a {
  display: inline-block;
  background-color: #007cba;
  color: white !important;
  padding: 12px 20px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 1em;
  font-weight: bold;
  transition: background-color 0.3s ease;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.back-to-top a:hover {
  background-color: #005a8b;
  text-decoration: none;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* スマホ向けメディアクエリ */
@media (max-width: 768px) {
  .faq-list {
    padding: 10px;
  }
  
  .faq-card {
    padding: 15px;
    margin-bottom: 15px;
  }
  
  .faq-card h2 {
    font-size: 1.2em;
  }
  
  .faq-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .faq-number {
    align-self: flex-end;
    font-size: 0.7em;
    padding: 3px 6px;
  }
  
  .card-detail, .faq-detail {
    padding: 15px;
    margin: 10px;
  }
  
  header nav {
    padding: 0 15px;
  }
  
  .pagination a, .pagination span {
    padding: 8px 12px;
    margin: 2px;
    font-size: 0.9em;
    min-height: 44px; /* タッチ操作に適したサイズ */
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  /* カード番号リンクもスマホで読みやすく */
  .card-link {
    font-size: 0.85em;
    padding: 4px 6px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
  }
  
  /* ナビゲーションボタンのタッチ対応 */
  .card-navigation a, .faq-navigation a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .faq-list {
    padding: 5px;
  }
  
  .faq-card {
    padding: 12px;
    margin-bottom: 12px;
  }
  
  .faq-card h2 {
    font-size: 1.1em;
    line-height: 1.3;
  }
  
  .faq-header {
    gap: 6px;
  }
  
  .faq-number {
    font-size: 0.65em;
    padding: 2px 5px;
  }
  
  .pagination a, .pagination span {
    padding: 5px 8px;
    margin: 0 2px;
    font-size: 0.8em;
  }
  
  /* 小さい画面では改行を調整 */
  .card-link {
    margin: 1px;
  }
  
  .faq-meta {
    font-size: 0.8em;
    line-height: 1.4;
  }
}