/**
 * 掲示板サイト向け Material Design CSS
 * シンプルで読みやすい掲示板デザイン
 */

/* ============================================
   リセット & ベース設定
   ============================================ */
* {
  box-sizing: border-box;
}

/* ============================================
   カラーパレット（掲示板向け）
   ============================================ */
:root {
  /* Primary Colors */
  --board-primary: #1976d2;
  --board-primary-dark: #1565c0;
  --board-primary-light: #42a5f5;
  --board-on-primary: #ffffff;

  /* Secondary Colors */
  --board-secondary: #424242;
  --board-secondary-light: #616161;
  --board-on-secondary: #ffffff;

  /* Background Colors */
  --board-bg: #f5f5f5;
  --board-surface: #ffffff;
  --board-surface-hover: #fafafa;

  /* Text Colors */
  --board-text-primary: #212121;
  --board-text-secondary: #757575;
  --board-text-disabled: #bdbdbd;

  /* Border Colors */
  --board-border: #e0e0e0;
  --board-border-light: #f5f5f5;
  --board-divider: #e0e0e0;

  /* Accent Colors */
  --board-accent: #ff5722;
  --board-success: #4caf50;
  --board-warning: #ff9800;
  --board-error: #f44336;
  --board-info: #2196f3;

  /* Like Button */
  --board-like: #e91e63;
  --board-like-hover: #c2185b;

  /* Spacing */
  --board-spacing-xs: 4px;
  --board-spacing-sm: 8px;
  --board-spacing-md: 16px;
  --board-spacing-lg: 24px;
  --board-spacing-xl: 32px;
  --board-spacing-xxl: 48px;

  /* Border Radius */
  --board-radius-sm: 4px;
  --board-radius-md: 8px;
  --board-radius-lg: 12px;
  --board-radius-full: 9999px;

  /* Shadows */
  --board-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12),
    0 1px 2px rgba(0, 0, 0, 0.24);
  --board-shadow-md: 0 3px 6px rgba(0, 0, 0, 0.16),
    0 3px 6px rgba(0, 0, 0, 0.23);
  --board-shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.19),
    0 6px 6px rgba(0, 0, 0, 0.23);

  /* Transitions */
  --board-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --board-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
    "Helvetica Neue", Arial, sans-serif;
  --board-font-mono: "Courier New", Courier, monospace;
}

/* ============================================
   ベーススタイル
   ============================================ */
body {
  background-color: var(--board-bg);
  color: var(--board-text-primary);
  font-family: var(--board-font-family);
  line-height: 1.6;
}

/* ============================================
   コンテナ & レイアウト
   ============================================ */
.board-container {
  max-width: var(--responsive--alignwide-width);
  margin: 0 auto;
}

.board-container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--board-spacing-md);
}

/* @media (max-width: 768px) {
  .board-container,
  .board-container-narrow {
    padding: var(--board-spacing-sm);
  }
} */

/* ============================================
   ヘッダー
   ============================================ */
.page-header {
  background-color: var(--board-surface);
  border-bottom: 2px solid var(--board-primary);
  padding: var(--board-spacing-lg);
  margin-bottom: var(--board-spacing-lg);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.page-title {
  margin: 0 0 var(--board-spacing-lg) 0;
  font-size: 28px;
  font-weight: 600;
  color: var(--board-text-primary);
  text-align: left;
}

/* ============================================
   投稿数表示
   ============================================ */
.board-posts-count {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-sm);
  margin-bottom: var(--board-spacing-md);
  padding: var(--board-spacing-sm) var(--board-spacing-md);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.board-posts-count-label {
  font-size: 14px;
  color: var(--board-text-secondary);
  font-weight: 500;
}

.board-posts-count-value {
  font-size: 18px;
  color: var(--board-primary);
  font-weight: 700;
}

/* ============================================
   検索・フィルター・ソート機能セクション
   ============================================ */
.board-filter-section {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.board-filter-block {
  margin-bottom: var(--board-spacing-lg);
  padding-bottom: var(--board-spacing-lg);
  border-bottom: 1px solid var(--board-divider);
}

.board-filter-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.board-filter-block-header {
  margin-bottom: var(--board-spacing-md);
}

.board-filter-block-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--board-text-primary);
}

/* ============================================
   カテゴリーセクション（後方互換性のため残す）
   ============================================ */
.board-category-section {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-md);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.board-category-header {
  margin-bottom: var(--board-spacing-md);
}

.board-category-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--board-text-primary);
}

.board-category-filter {
  margin-top: var(--board-spacing-md);
  padding-top: var(--board-spacing-md);
  border-top: 1px solid var(--board-divider);
}

.board-filter-select-label {
  display: block;
  margin-bottom: var(--board-spacing-xs);
  font-size: 14px;
  color: var(--board-text-secondary);
  font-weight: 500;
}

.board-filter-select {
  width: 100%;
  max-width: 300px;
  padding: 10px 16px;
  border: 2px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-family: var(--board-font-family);
  color: var(--board-text-primary);
  background-color: var(--board-surface);
  transition: var(--board-transition);
  cursor: pointer;
}

.board-filter-select:focus {
  outline: none;
  border-color: var(--board-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

/* ============================================
   カテゴリ/タググリッド（後方互換性のため残す）
   ============================================ */
.board-category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--board-spacing-sm);
  margin-bottom: var(--board-spacing-md);
}

/* ============================================
   カテゴリー文字リンク
   ============================================ */
.board-category-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-md);
  margin-bottom: var(--board-spacing-md);
  align-items: center;
}

.board-category-link {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  color: var(--board-text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 0;
  background: none;
  border: none;
  transition: var(--board-transition);
}

.board-category-link:hover {
  color: var(--board-primary);
  text-decoration: underline;
}

.board-category-link.active {
  color: var(--board-primary);
  font-weight: 600;
}

.board-category-arrow {
  color: var(--board-text-secondary);
  font-size: 12px;
}

.board-category-link.active .board-category-arrow {
  color: var(--board-primary);
}

.board-image-submit-button {
  display: block;
  max-width: 170px;
  padding: 8px 16px;
  background-color: var(--board-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--board-radius-md);
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  transition: var(--board-transition);
  margin-left: auto;
}

.board-category-item {
  display: block;
  padding: var(--board-spacing-sm) var(--board-spacing-md);
  background-color: var(--board-bg);
  color: var(--board-text-primary);
  text-decoration: none;
  border-radius: var(--board-radius-md);
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  transition: var(--board-transition);
  border: 2px solid transparent;
}

.board-category-item:hover {
  background-color: var(--board-primary-light);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  transform: translateY(-2px);
  box-shadow: var(--board-shadow-sm);
}

.board-category-item.active {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  font-weight: 600;
}

/* ============================================
   フィルター表示
   ============================================ */
.board-filter-indicator {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-sm);
  margin-bottom: var(--board-spacing-md);
  padding: var(--board-spacing-sm) var(--board-spacing-md);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  flex-wrap: wrap;
}

.board-filter-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  padding: 4px 12px;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border-radius: var(--board-radius-full);
  font-size: 12px;
  font-weight: 500;
}

.board-filter-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  background-color: rgba(255, 255, 255, 0.3);
  color: var(--board-on-primary);
  text-decoration: none;
  border-radius: 50%;
  font-size: 14px;
  line-height: 1;
  transition: var(--board-transition);
  margin-left: 4px;
}

.board-filter-remove:hover {
  background-color: rgba(255, 255, 255, 0.5);
  transform: scale(1.1);
}

.board-filter-label {
  font-size: 14px;
  color: var(--board-text-secondary);
  font-weight: 500;
  margin-left: auto;
}

/* ============================================
   検索セクション（後方互換性のため残す）
   ============================================ */
.board-search-section {
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-lg);
  padding: var(--board-spacing-lg);
  margin-bottom: var(--board-spacing-lg);
  box-shadow: var(--board-shadow-sm);
}

.board-search-form {
  display: flex;
  flex-direction: row;
  gap: var(--board-spacing-sm);
  align-items: stretch;
}

.board-search-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-md);
}

.board-search-checkbox {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  cursor: pointer;
  font-size: 14px;
  color: var(--board-text-primary);
}

.board-search-checkbox input[type="radio"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--board-primary);
}

.board-search-checkbox span {
  user-select: none;
}

.board-search-input-group {
  display: flex;
  gap: var(--board-spacing-sm);
  align-items: stretch;
}

.board-search-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  flex: 1;
  position: relative;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  background-color: var(--board-surface);
  padding: 0;
}

.board-search-icon {
  padding: 0 var(--board-spacing-sm);
  color: var(--board-text-secondary);
  font-size: 16px;
  display: flex;
  align-items: center;
}

.board-search-input {
  flex: 1;
  padding: 12px 0;
  border: none;
  border-radius: 0;
  font-size: 14px;
  font-family: var(--board-font-family);
  color: var(--board-text-primary);
  background-color: transparent;
  transition: var(--board-transition);
}
input[name="board_search"] {
  border: none;
}
.board-search-input:focus {
  outline: none;
}

.board-search-input-wrapper:focus-within {
  border-color: var(--board-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.board-search-clear {
  padding: 0 var(--board-spacing-sm);
  background: none;
  border: none;
  color: var(--board-text-secondary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  transition: var(--board-transition);
}

.board-search-clear:hover {
  background-color: var(--board-bg);
  color: var(--board-text-primary);
}

.board-search-input::placeholder {
  color: var(--board-text-secondary);
}

.board-search-button {
  padding: 12px 24px;
  background-color: var(--board-bg);
  color: var(--board-text-primary);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--board-transition);
  white-space: nowrap;
}

.board-search-button:hover {
  background-color: var(--board-primary-light);
  color: var(--board-primary);
  border-color: var(--board-primary);
}

.board-search-button:active {
  transform: translateY(0);
}

/* ============================================
   ソートセクション（後方互換性のため残す）
   ============================================ */
.board-sort-section {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-md);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.board-sort-header {
  margin-bottom: var(--board-spacing-md);
}

.board-sort-title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--board-text-primary);
}

.board-sort-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-sm);
}

.board-sort-button {
  display: inline-block;
  padding: 8px 16px;
  background-color: var(--board-bg);
  color: var(--board-text-primary);
  text-decoration: none;
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: var(--board-transition);
  border: 2px solid transparent;
}

.board-sort-button:hover {
  background-color: var(--board-primary-light);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  transform: translateY(-2px);
  box-shadow: var(--board-shadow-sm);
}

.board-sort-button.active {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  font-weight: 600;
}

/* ============================================
   カード型グリッドレイアウト
   ============================================ */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--board-spacing-lg);
  margin-bottom: var(--board-spacing-xl);
}

@media (min-width: 768px) {
  .board-grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
}

@media (min-width: 1024px) {
  .board-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   投稿カード（一覧表示）
   ============================================ */
article.board-card {
  background-color: var(--board-surface);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--board-shadow-sm);
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* サムネイル */
.board-card-thumbnail {
  position: relative;
  flex-shrink: 0;
  width: 150px;
  height: 150px;
  background-color: var(--board-bg);
  overflow: hidden;
}

/* PC画面でのサムネイル（aspect-ratio: 1.45） */
@media (min-width: 769px) {
  .board-card-thumbnail {
    width: 100%;
    max-width: 180px;
    height: auto;
    /* Safariで高さが0になるのを防ぐ：absoluteの子だけだとheight:autoが0になる */
    aspect-ratio: 1.45;
    min-height: 124px; /* 180/1.45 の最小高さ（Safari用フォールバック） */
  }
  /* aspect-ratio未対応の古いSafari用フォールバック */
  @supports not (aspect-ratio: 1.45) {
    .board-card-thumbnail {
      height: 0;
      padding-bottom: calc(100% / 1.45);
      min-height: 0;
    }
  }
}

.board-card-thumbnail a {
  display: block;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.board-thumbnail-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-object-fit: cover;
  /* Safariで画像が描画されない場合のフォールバック */
  min-height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* PC画面での画像スタイル */
@media (min-width: 769px) {
  .board-thumbnail-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

.board-thumbnail-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    135deg,
    var(--board-bg) 0%,
    var(--board-surface) 100%
  );
  color: var(--board-text-secondary);
  font-size: 14px;
}

/* カード内動画 */
.board-card-video-link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.board-card-video-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.board-card-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* PC画面での動画スタイル */
@media (min-width: 769px) {
  .board-card-video-wrapper {
    width: 100%;
    height: 100%;
  }

  .board-card-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

/* カード情報（右側） */
.board-card-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--board-spacing-sm);
}

/* New! バッジ */
.board-new-badge {
  display: inline-block;
  background-color: var(--board-error);
  color: var(--board-on-primary);
  padding: 2px 8px;
  border-radius: var(--board-radius-sm);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--board-shadow-sm);
}

/* PC画面でのNewバッジの色（赤） */
@media (min-width: 769px) {
  .board-new-badge {
    background-color: #f44336;
    color: #ffffff;
  }
}

/* カードヘッダー */
.board-card-header {
  display: flex;
  background: #eaeaff;
  align-items: center;
  justify-content: space-between;
  padding: 4px;
  border-bottom: 1px solid var(--board-divider);
  gap: var(--board-spacing-sm);
}

.board-card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.board-card-title a {
  color: var(--board-text-primary);
  text-decoration: none;
  transition: var(--board-transition);
}

.board-card-title a:hover {
  color: var(--board-primary);
}

/* PC画面でのタイトルリンクの色（青） */
@media (min-width: 769px) {
  .board-card-title a {
    color: #2196f3;
  }
}

/* カードボディ */
.board-card-body {
  display: flex;
  padding: 4px 8px 4px 4px;
  gap: 8px;
  flex: 1;
}

/* カードコンテンツ（後方互換性のため残す） */
.board-card-content {
  padding: var(--board-spacing-md);
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* タグバッジ */
.board-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-xs);
  margin-bottom: var(--board-spacing-md);
}

.board-tag-badge {
  display: inline-block;
  padding: 0 4px;
  border-radius: var(--board-radius-sm);
  font-size: 11px;
  font-weight: 500;
  text-decoration: none;
  transition: var(--board-transition);
  background-color: var(--board-primary-light);
  color: var(--board-on-primary);
}

.board-tag-badge:nth-child(1) {
  background-color: #9c27b0;
}
.board-tag-badge:nth-child(2) {
  background-color: #2196f3;
}
.board-tag-badge:nth-child(3) {
  background-color: #4caf50;
}
.board-tag-badge:nth-child(4) {
  background-color: #f44336;
}
.board-tag-badge:nth-child(5) {
  background-color: #ff9800;
}
.board-tag-badge:nth-child(6) {
  background-color: #00bcd4;
}
.board-tag-badge:nth-child(7) {
  background-color: #607d8b;
}
.board-tag-badge:nth-child(8) {
  background-color: #9e9e9e;
}
.board-tag-badge:nth-child(9) {
  background-color: #e91e63;
}
.board-tag-badge:nth-child(10) {
  background-color: #795548;
}
.board-tag-badge:nth-child(11) {
  background-color: #ffc107;
}

.board-tag-badge:hover {
  opacity: 0.8;
  transform: translateY(-1px);
  box-shadow: var(--board-shadow-sm);
}

/* PC画面でのタグバッジのスタイル（赤枠） */
@media (min-width: 769px) {
  /* PC画面でスマホ用の要素を非表示 */
  .board-new-badge-mobile {
    display: none;
  }

  .board-card-title-mobile-wrapper,
  .board-card-title-mobile,
  .board-card-tags-mobile,
  .board-card-author-mobile,
  .board-card-stats-mobile,
  .board-card-footer-mobile {
    display: none;
  }

  /* PC画面でPC用の要素を表示 */
  .board-card-header {
    display: flex;
  }

  .board-card-title {
    display: block;
  }

  .board-card-tags {
    display: flex;
  }

  .board-card-meta {
    display: block;
  }

  .board-card-footer {
    display: flex;
  }

  .board-card-tags {
    margin-bottom: var(--board-spacing-sm);
  }

  .board-tag-badge,
  .board-tag-badge:nth-child(1),
  .board-tag-badge:nth-child(2),
  .board-tag-badge:nth-child(3),
  .board-tag-badge:nth-child(4),
  .board-tag-badge:nth-child(5),
  .board-tag-badge:nth-child(6),
  .board-tag-badge:nth-child(7),
  .board-tag-badge:nth-child(8),
  .board-tag-badge:nth-child(9),
  .board-tag-badge:nth-child(10),
  .board-tag-badge:nth-child(11) {
    border: 1px solid #f44336;
    background-color: transparent;
    color: #f44336;
  }

  .board-tag-badge:hover,
  .board-tag-badge:nth-child(1):hover,
  .board-tag-badge:nth-child(2):hover,
  .board-tag-badge:nth-child(3):hover,
  .board-tag-badge:nth-child(4):hover,
  .board-tag-badge:nth-child(5):hover,
  .board-tag-badge:nth-child(6):hover,
  .board-tag-badge:nth-child(7):hover,
  .board-tag-badge:nth-child(8):hover,
  .board-tag-badge:nth-child(9):hover,
  .board-tag-badge:nth-child(10):hover,
  .board-tag-badge:nth-child(11):hover {
    background-color: #f44336;
    color: #ffffff;
    opacity: 1;
  }

  /* PC画面で動画の長さ表示を非表示 */
  .board-video-duration {
    display: none;
  }
}

/* カードメタ情報 */
.board-card-meta {
  font-size: 12px;
  color: var(--board-text-secondary);
}

/* カードフッター */
.board-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--board-spacing-sm) var(--board-spacing-md);
  border-top: 1px solid var(--board-divider);
  font-size: 12px;
  color: var(--board-text-secondary);
}

.board-card-footer-item {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
}

.board-meta-row {
  display: flex;
  align-items: center;
  margin-bottom: var(--board-spacing-xs);
  gap: var(--board-spacing-xs);
  justify-content: space-between;
}

.board-meta-row:last-child {
  margin-bottom: 0;
}

.board-meta-row .board-meta-label {
  font-weight: 500;
  min-width: 60px;
  color: var(--board-text-secondary);
}

.board-meta-row .board-meta-value {
  color: var(--board-text-primary);
  font-weight: 400;
}

.board-meta-row .board-meta-value a {
  color: var(--board-primary);
  text-decoration: none;
  transition: var(--board-transition);
}

.board-meta-row .board-meta-value a:hover {
  color: var(--board-primary-dark);
  text-decoration: underline;
}

/* カードアクション */
.board-card-actions {
  margin-top: var(--board-spacing-md);
  padding-top: var(--board-spacing-sm);
  border-top: 1px solid var(--board-divider);
}

.board-card-like-btn {
  width: 100%;
  justify-content: center;
}

/* 従来のリスト表示（後方互換性） */
article.post:not(.board-card) {
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-left: 4px solid var(--board-primary);
  border-radius: var(--board-radius-md);
  padding: var(--board-spacing-lg);
  margin-bottom: var(--board-spacing-md);
  box-shadow: var(--board-shadow-sm);
  transition: var(--board-transition);
}

article.post:not(.board-card):hover {
  box-shadow: var(--board-shadow-md);
  border-left-color: var(--board-primary-dark);
  transform: translateX(2px);
}

.entry-header {
  margin-bottom: var(--board-spacing-md);
}

.entry-title {
  margin: 0 0 var(--board-spacing-sm) 0;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
}

.entry-title a {
  color: var(--board-text-primary);
  text-decoration: none;
  transition: var(--board-transition);
}

.entry-title a:hover {
  color: var(--board-primary);
}

.post-thumbnail {
  margin-bottom: var(--board-spacing-md);
  border-radius: var(--board-radius-md);
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.post-thumbnail:hover img {
  transform: scale(1.02);
}

.entry-content {
  color: var(--board-text-primary);
  line-height: 1.8;
}

.entry-content p {
  margin: var(--board-spacing-sm) 0;
}

/* ============================================
   投稿メタ情報
   ============================================ */
.board-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-md);
  margin: var(--board-spacing-md) 0;
  padding: var(--board-spacing-sm) 0;
  border-top: 1px solid var(--board-divider);
  font-size: 14px;
  color: var(--board-text-secondary);
}

.board-meta-item {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  margin: var(--board-spacing-sm) 0;
  font-size: 14px;
  color: var(--board-text-secondary);
}

.board-meta-label {
  font-weight: 500;
  color: var(--board-text-secondary);
  margin-right: var(--board-spacing-xs);
}

.board-meta-value {
  color: var(--board-text-primary);
}

.board-meta-value a {
  color: var(--board-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--board-transition);
}

.board-meta-value a:hover {
  color: var(--board-primary-dark);
  text-decoration: underline;
}

/* タグ */
.board-tags {
  margin: var(--board-spacing-sm) 0;
  font-size: 14px;
  color: var(--board-text-secondary);
}

.board-tags .board-meta-label {
  margin-right: var(--board-spacing-sm);
}

.board-tags a {
  display: inline-block;
  background-color: var(--board-primary-light);
  color: var(--board-on-primary);
  padding: 4px 10px;
  border-radius: var(--board-radius-sm);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  margin-right: var(--board-spacing-xs);
  margin-top: var(--board-spacing-xs);
  transition: var(--board-transition);
}

.board-tags a:hover {
  background-color: var(--board-primary);
  transform: translateY(-1px);
  box-shadow: var(--board-shadow-sm);
  text-decoration: none;
}

/* アクションエリア */
.board-actions {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-sm);
  margin: var(--board-spacing-md) 0;
  padding: var(--board-spacing-sm) 0;
  border-top: 1px solid var(--board-divider);
}

/* 投稿者情報 */
.entry-content p {
  margin: var(--board-spacing-sm) 0;
}

.entry-content p a {
  color: var(--board-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--board-transition);
}

.entry-content p a:hover {
  color: var(--board-primary-dark);
  text-decoration: underline;
}

/* タグリンクのスタイル */
.entry-content p a[href*="tag"] {
  display: inline-block;
  background-color: var(--board-primary-light);
  color: var(--board-on-primary);
  padding: 4px 10px;
  border-radius: var(--board-radius-sm);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  margin-right: var(--board-spacing-xs);
  margin-top: var(--board-spacing-xs);
  transition: var(--board-transition);
}

.entry-content p a[href*="tag"]:hover {
  background-color: var(--board-primary);
  transform: translateY(-1px);
  box-shadow: var(--board-shadow-sm);
  text-decoration: none;
}

/* ============================================
   いいねボタン
   ============================================ */
.myboard-like-btn {
  background-color: var(--board-like);
  color: var(--board-on-primary);
  border: none;
  border-radius: var(--board-radius-full);
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--board-transition);
  box-shadow: var(--board-shadow-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--board-spacing-xs);
}

.myboard-like-btn:hover:not(:disabled) {
  background-color: var(--board-like-hover);
  box-shadow: var(--board-shadow-md);
  transform: translateY(-1px);
}

.myboard-like-btn:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--board-shadow-sm);
}

.myboard-like-btn:disabled {
  background-color: var(--board-text-disabled);
  cursor: not-allowed;
  opacity: 0.6;
}

.myboard-like-btn.board-liked {
  background-color: var(--board-error);
  opacity: 0.8;
}

.myboard-like-btn.board-liked:hover {
  background-color: var(--board-error);
  opacity: 1;
}

.myboard-like-btn::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z' fill='currentColor'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  vertical-align: middle;
}

.myboard-like-btn.board-liked::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z' fill='%23FF69B4'/%3E%3C/svg%3E");
}

.myboard-like-count {
  margin-left: var(--board-spacing-sm);
  font-weight: 600;
  color: var(--board-like);
  font-size: 16px;
}

/* ============================================
   投稿フォーム
   ============================================ */
#myboard-submit-form {
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-lg);
  padding: var(--board-spacing-xl);
  box-shadow: var(--board-shadow-md);
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================
   投稿フォーム
   ============================================ */
#myboard-submit-form {
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  padding: var(--board-spacing-lg);
}

#myboard-submit-form p {
  margin-bottom: var(--board-spacing-lg);
}

#myboard-submit-form p:last-child {
  margin-bottom: 0;
}

#myboard-submit-form label {
  display: block;
  margin-bottom: var(--board-spacing-xs);
  font-weight: 500;
  color: var(--board-text-primary);
  font-size: 14px;
}

#myboard-submit-form input[type="text"],
#myboard-submit-form input[type="email"],
#myboard-submit-form input[type="password"],
#myboard-submit-form textarea,
#myboard-submit-form select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-family: var(--board-font-family);
  font-size: 15px;
  color: var(--board-text-primary);
  background-color: var(--board-surface);
  line-height: 1.6;
}

#myboard-submit-form input[type="text"]:focus,
#myboard-submit-form input[type="email"]:focus,
#myboard-submit-form input[type="password"]:focus,
#myboard-submit-form textarea:focus,
#myboard-submit-form select:focus {
  outline: none;
  border-color: var(--board-primary);
}

#myboard-submit-form textarea {
  resize: vertical;
  min-height: 150px;
  line-height: 1.8;
}

#myboard-submit-form input[type="file"] {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  background-color: var(--board-surface);
  cursor: pointer;
  font-size: 14px;
}

#myboard-submit-form input[type="file"]:hover {
  border-color: var(--board-primary);
}

#myboard-submit-form small {
  display: block;
  margin-top: var(--board-spacing-xs);
  color: var(--board-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

#myboard-submit-form .button,
#myboard-submit-form input[type="submit"] {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border: none;
  border-radius: var(--board-radius-md);
  padding: 10px 24px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  text-transform: none;
}

#myboard-submit-form .button:hover,
#myboard-submit-form input[type="submit"]:hover {
  background-color: var(--board-primary-dark);
}

#myboard-submit-form .button:active,
#myboard-submit-form input[type="submit"]:active {
  background-color: var(--board-primary-dark);
}

/* ============================================
   投稿フォーム説明文
   ============================================ */
.board-submit-notice {
  margin-top: var(--board-spacing-xl);
  padding: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-submit-notice-section {
  margin-bottom: var(--board-spacing-lg);
}

.board-submit-notice-section:last-child {
  margin-bottom: 0;
}

.board-submit-notice-section p {
  margin: 0 0 var(--board-spacing-sm) 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--board-text-primary);
}

.board-submit-notice-section p:last-child {
  margin-bottom: 0;
}

.board-submit-notice-title {
  margin: 0 0 var(--board-spacing-md) 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--board-text-primary);
}

.board-submit-notice-list {
  margin: 0;
  padding-left: var(--board-spacing-lg);
  list-style-type: disc;
}

.board-submit-notice-list li {
  margin-bottom: var(--board-spacing-sm);
  font-size: 14px;
  line-height: 1.8;
  color: var(--board-text-primary);
}

.board-submit-notice-list li:last-child {
  margin-bottom: 0;
}

.board-submit-ip-address {
  font-family: var(--board-font-mono);
  font-size: 13px;
  color: var(--board-text-secondary);
  word-break: break-all;
}

.board-submit-ip-note {
  margin-top: var(--board-spacing-sm);
  font-size: 12px;
  color: var(--board-text-secondary);
  font-style: italic;
}

/* ============================================
   通知メッセージ
   ============================================ */
.notice {
  padding: var(--board-spacing-md);
  border-radius: var(--board-radius-md);
  margin-bottom: var(--board-spacing-lg);
  border-left: 4px solid;
}

.notice-success {
  background-color: #e8f5e9;
  border-color: var(--board-success);
  color: #2e7d32;
}

.notice-error {
  background-color: #ffebee;
  border-color: var(--board-error);
  color: #c62828;
}

.notice p {
  margin: 0;
  font-weight: 500;
}

/* ============================================
   個別投稿ページ
   ============================================ */
.single article.post {
  max-width: 900px;
  margin: 0 auto var(--board-spacing-lg);
}

.single .entry-title {
  font-size: 32px;
  margin-bottom: var(--board-spacing-md);
  line-height: 1.3;
}

.single .entry-content {
  font-size: 16px;
  line-height: 1.9;
}

.single .entry-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--board-radius-md);
  margin: var(--board-spacing-lg) 0;
  box-shadow: var(--board-shadow-md);
}

.single .entry-content video {
  max-width: 100%;
  border-radius: var(--board-radius-md);
  margin: var(--board-spacing-lg) 0;
  box-shadow: var(--board-shadow-md);
}

/* ============================================
   ページネーション
   ============================================ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--board-spacing-sm);
  margin: var(--board-spacing-xl) 0;
  flex-wrap: wrap;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background-color: var(--board-surface);
  color: var(--board-text-primary);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  text-decoration: none;
  font-weight: 500;
  transition: var(--board-transition);
}

.pagination .page-numbers:hover {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  transform: translateY(-1px);
  box-shadow: var(--board-shadow-sm);
}

.pagination .page-numbers.current {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border-color: var(--board-primary);
  cursor: default;
}

.pagination .page-numbers.prev,
.pagination .page-numbers.next {
  font-weight: 600;
}

/* ============================================
   投稿ナビゲーション（前後）
   ============================================ */
.post-navigation {
  max-width: 900px;
  margin: var(--board-spacing-xl) auto;
  padding: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  box-shadow: var(--board-shadow-sm);
}

.post-navigation .nav-links {
  display: flex;
  justify-content: space-between;
  gap: var(--board-spacing-md);
}

.post-navigation .nav-previous,
.post-navigation .nav-next {
  flex: 1;
}

.post-navigation .nav-subtitle {
  display: block;
  font-size: 12px;
  color: var(--board-text-secondary);
  margin-bottom: var(--board-spacing-xs);
  text-transform: uppercase;
  font-weight: 500;
}

.post-navigation .nav-title {
  display: block;
  font-size: 16px;
  color: var(--board-primary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--board-transition);
}

.post-navigation .nav-title:hover {
  color: var(--board-primary-dark);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .post-navigation .nav-links {
    flex-direction: column;
  }
}

/* ============================================
   ボタン（汎用）
   ============================================ */
.button {
  display: inline-block;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border: none;
  border-radius: var(--board-radius-md);
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--board-transition);
  box-shadow: var(--board-shadow-sm);
  text-align: center;
}

.button:hover {
  background-color: var(--board-primary-dark);
  box-shadow: var(--board-shadow-md);
  transform: translateY(-1px);
  color: var(--board-on-primary);
  text-decoration: none;
}

.button:active {
  transform: translateY(0);
  box-shadow: var(--board-shadow-sm);
}

/* ============================================
   リンク
   ============================================ */
a {
  color: var(--board-primary);
  text-decoration: none;
  transition: var(--board-transition);
}

/* ============================================
   空の状態
   ============================================ */
.entry-content > p:only-child {
  text-align: center;
  padding: var(--board-spacing-xxl);
  color: var(--board-text-secondary);
  font-size: 18px;
  background-color: var(--board-surface);
  border-radius: var(--board-radius-md);
  border: 2px dashed var(--board-border);
}

/* ============================================
   レスポンシブ対応
   ============================================ */
@media (max-width: 768px) {
  .board-grid {
    grid-template-columns: 1fr;
    gap: var(--board-spacing-md);
  }

  .board-category-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--board-spacing-xs);
  }

  .board-category-item {
    font-size: 12px;
    padding: var(--board-spacing-xs) var(--board-spacing-sm);
  }

  .board-category-links {
    gap: var(--board-spacing-sm);
  }

  .board-category-link {
    font-size: 13px;
  }

  .board-image-submit-button {
    width: 100%;
    padding: var(--board-spacing-sm) var(--board-spacing-md);
    font-size: 13px;
  }

  .board-search-input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .board-search-icon {
    display: none;
  }

  .board-search-input {
    padding: 12px 16px;
  }

  .board-sort-buttons {
    gap: var(--board-spacing-xs);
  }

  .board-sort-button {
    font-size: 12px;
    padding: 6px 12px;
  }

  /* モバイル用：カード全体のレイアウト */
  article.board-card {
    display: flex;
    flex-direction: row;
    padding: 4px;
    gap: 8px;
  }

  /* モバイル用：ヘッダーを非表示 */
  .board-card-header {
    display: none;
  }

  /* モバイル用：ボディを横並び */
  .board-card-body {
    display: flex;
    flex-direction: row;
    padding: 0;
    gap: 8px;
    flex: 1;
  }

  /* モバイル用：サムネイル（90px x 90px、1:1） */
  .board-card-thumbnail {
    position: relative;
    width: 90px;
    height: 90px;
    flex-shrink: 0;
    border-radius: 4px;
    overflow: hidden;
  }

  /* モバイル用：Newバッジ（画像の左上に斜め配置） */
  .board-new-badge-mobile {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #f44336;
    color: #ffffff;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    transform: rotate(-15deg);
    transform-origin: top left;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  }

  /* モバイル用：PC用のNewバッジを非表示 */
  .board-new-badge {
    display: none;
  }

  /* モバイル用：動画の長さ表示（画像の右下） */
  .board-video-duration {
    position: absolute;
    bottom: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: #ffffff;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 600;
    border-radius: 2px;
    z-index: 10;
  }

  /* モバイル用：画像・動画のスタイル */
  .board-card-thumbnail a,
  .board-card-video-link {
    position: relative;
    display: block;
    width: 100%;
    height: 100%;
  }

  .board-thumbnail-img,
  .board-card-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .board-card-video-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
  }

  /* モバイル用：情報エリア */
  .board-card-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 0;
  }

  /* モバイル用：タイトルとカテゴリーを横並び */
  .board-card-title-mobile-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  .board-card-title-mobile {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    flex: 1;
    min-width: 0;
  }

  .board-card-title-mobile a {
    color: #2196f3;
    text-decoration: none;
  }

  .board-card-title-mobile a:hover {
    text-decoration: underline;
  }

  /* モバイル用：カテゴリーバッジ（タイトルの横） */
  .board-card-tags-mobile {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
  }

  .board-tag-badge-mobile {
    display: inline-block;
    padding: 0 4px;
    border: 1px solid #f44336;
    border-radius: 2px;
    font-size: 10px;
    font-weight: 500;
    text-decoration: none;
    color: #f44336;
    background-color: transparent;
    white-space: nowrap;
  }

  .board-tag-badge-mobile:hover {
    background-color: #f44336;
    color: #ffffff;
  }

  /* モバイル用：PC用のタグを非表示 */
  .board-card-tags {
    display: none;
  }

  /* モバイル用：投稿者名 */
  .board-card-author-mobile {
    font-size: 11px;
    margin-top: 2px;
  }

  .board-author-link-mobile {
    color: var(--board-text-primary);
    text-decoration: none;
    font-weight: 500;
  }

  .board-author-link-mobile:hover {
    text-decoration: underline;
    color: var(--board-primary);
  }

  /* モバイル用：PC用のメタ情報を非表示 */
  .board-card-meta {
    display: none;
  }

  /* モバイル用：統計情報を横並び */
  .board-card-stats-mobile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
  }

  .board-stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
  }

  .board-stat-icon {
    font-size: 12px;
    line-height: 1;
  }

  .board-stat-value {
    font-weight: 500;
    color: var(--board-text-primary);
  }

  /* モバイル用：フッター（投稿日時と投稿No） */
  .board-card-footer-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
    font-size: 10px;
    color: var(--board-text-secondary);
  }

  .board-footer-date-mobile {
    font-size: 10px;
  }

  .board-footer-id-mobile {
    font-size: 10px;
  }

  /* モバイル用：PC用のフッターを非表示 */
  .board-card-footer {
    display: none;
  }

  /* モバイル用：PC用のタイトルを非表示（モバイル用タイトルを使用） */
  .board-card-title {
    display: none;
  }

  .board-filter-select {
    max-width: 100%;
  }

  .board-filter-section {
    padding: var(--board-spacing-md);
  }

  .board-filter-block {
    margin-bottom: var(--board-spacing-md);
    padding-bottom: var(--board-spacing-md);
  }

  .board-search-section {
    padding: var(--board-spacing-md);
  }

  .board-search-options {
    flex-direction: column;
    gap: var(--board-spacing-sm);
  }

  .board-search-input-group {
    flex-direction: column;
  }

  .board-search-button {
    width: 100%;
  }

  .page-title {
    font-size: 24px;
  }

  article.post:not(.board-card) {
    padding: var(--board-spacing-md);
  }

  .entry-title {
    font-size: 18px;
  }

  .single .entry-title {
    font-size: 24px;
  }

  #myboard-submit-form {
    padding: var(--board-spacing-lg);
  }

  .board-meta {
    flex-direction: column;
    gap: var(--board-spacing-sm);
  }

  .board-card-title {
    font-size: 14px;
    min-height: 40px;
  }

  .board-card-content {
    padding: var(--board-spacing-sm);
  }
}

@media (max-width: 480px) {
  .board-grid {
    grid-template-columns: 1fr;
    gap: var(--board-spacing-md);
  }

  .board-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .board-category-item {
    font-size: 11px;
    padding: 6px 8px;
  }

  .board-filter-indicator {
    flex-direction: column;
    align-items: flex-start;
  }

  .board-filter-label {
    margin-left: 0;
  }

  .page-title {
    font-size: 20px;
  }

  article.post:not(.board-card) {
    padding: var(--board-spacing-sm);
  }

  .entry-title {
    font-size: 16px;
  }

  .single .entry-title {
    font-size: 20px;
  }

  #myboard-submit-form {
    padding: var(--board-spacing-md);
  }

  .board-card-title {
    font-size: 14px;
    min-height: 38px;
  }

  .board-card-content {
    padding: var(--board-spacing-sm);
  }

  .board-meta-row {
    font-size: 11px;
  }

  .board-meta-row .board-meta-label {
    min-width: 50px;
  }
}

/* ============================================
   ユーティリティクラス
   ============================================ */
.board-text-center {
  text-align: center;
}

.board-text-right {
  text-align: right;
}

.board-mt-sm {
  margin-top: var(--board-spacing-sm);
}

.board-mt-md {
  margin-top: var(--board-spacing-md);
}

.board-mt-lg {
  margin-top: var(--board-spacing-lg);
}

.board-mb-sm {
  margin-bottom: var(--board-spacing-sm);
}

.board-mb-md {
  margin-bottom: var(--board-spacing-md);
}

.board-mb-lg {
  margin-bottom: var(--board-spacing-lg);
}

/* ============================================
   シングル投稿ページ（single-board.php）
   ============================================ */
.board-media-section {
  margin-bottom: var(--board-spacing-lg);
}

.board-thumbnail-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 アスペクト比 */
  margin-bottom: var(--board-spacing-md);
  background-color: var(--board-bg);
  border-radius: var(--board-radius-md);
  overflow: hidden;
  box-shadow: var(--board-shadow-md);
}

.board-single-thumbnail {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--board-radius-md);
}

.board-video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 アスペクト比 */
  margin-bottom: var(--board-spacing-md);
  background-color: var(--board-bg);
  border-radius: var(--board-radius-md);
  overflow: hidden;
  box-shadow: var(--board-shadow-md);
}

.board-single-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--board-radius-md);
  /* ダウンロード防止 */
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  pointer-events: auto;
  /* 右クリックメニューを無効化 */
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}

/* 動画コントロールバーのダウンロードボタンを非表示 */
.board-single-video::-webkit-media-controls {
  display: flex !important;
}

.board-single-video::-webkit-media-controls-download-button {
  display: none !important;
}

.board-single-video::-webkit-media-controls-enclosure {
  overflow: visible;
}

/* 動画のコンテキストメニューを無効化 */
.board-video-wrapper {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.board-header-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--board-spacing-lg);
  margin-bottom: var(--board-spacing-lg);
  padding-bottom: var(--board-spacing-lg);
  border-bottom: 1px solid var(--board-divider);
}

.board-header-left {
  flex: 1;
}

.board-header-right {
  flex-shrink: 0;
}

.board-single-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--board-spacing-xs);
  margin-bottom: var(--board-spacing-md);
}

.board-single-title {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--board-text-primary);
}

.board-single-author {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  font-size: 14px;
}

.board-single-stats {
  display: flex;
  flex-direction: column;
  gap: var(--board-spacing-md);
  align-items: flex-end;
}

.board-stat-item {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  font-size: 14px;
}

.board-stat-label {
  color: var(--board-text-secondary);
  font-weight: 500;
}

.board-stat-value {
  color: var(--board-text-primary);
  font-weight: 600;
}

.board-single-like-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  padding: 8px 16px;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border: none;
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--board-transition);
}

.board-single-like-btn:hover:not(:disabled) {
  background-color: var(--board-primary-dark);
}

.board-single-like-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.board-single-like-count {
  font-size: 14px;
  font-weight: 600;
  color: var(--board-on-primary);
}

.board-content-section {
  margin-bottom: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  overflow: hidden;
}

.board-post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--board-spacing-md) var(--board-spacing-lg);
  background-color: var(--board-bg);
  border-bottom: 1px solid var(--board-divider);
}

.board-post-author-info {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-md);
  font-size: 14px;
}

.board-post-author-name {
  font-weight: 600;
  color: var(--board-text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--board-spacing-xs);
}

.board-post-email-icon {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-left: var(--board-spacing-xs);
  transition: var(--board-transition);
}

.board-post-email-icon:hover {
  opacity: 0.7;
  transform: scale(1.1);
}

.board-email-icon {
  font-size: 16px;
  color: var(--board-primary);
  line-height: 1;
}

.board-post-date {
  color: var(--board-text-secondary);
  font-size: 13px;
}

.board-post-actions {
  font-size: 13px;
}

.board-post-edit-delete {
  color: var(--board-primary);
  text-decoration: none;
  cursor: pointer;
}

.board-post-edit-delete:hover {
  text-decoration: underline;
}

.board-post-content {
  padding: var(--board-spacing-lg);
  line-height: 1.8;
  color: var(--board-text-primary);
  font-size: 15px;
  min-height: 100px;
}

.board-post-text {
  margin: 0 0 var(--board-spacing-sm) 0;
  padding: 0;
  text-align: left;
  word-wrap: break-word;
}

.board-post-text:last-child {
  margin-bottom: 0;
}

.board-edit-textarea {
  width: 100% !important;
  min-height: 150px !important;
  padding: 12px !important;
  border: 2px solid var(--board-primary) !important;
  border-radius: var(--board-radius-md) !important;
  font-family: var(--board-font-family) !important;
  font-size: 15px !important;
  line-height: 1.8 !important;
  resize: vertical !important;
  box-sizing: border-box !important;
  color: var(--board-text-primary) !important;
  background-color: var(--board-surface) !important;
}

/* 投稿パスワード入力フォーム */
.board-post-password-form {
  margin-top: 15px;
  padding: 15px;
  background-color: #f5f5f5;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-post-password-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-size: 14px;
  margin-bottom: 10px;
  box-sizing: border-box;
}

.board-post-password-input:focus {
  outline: none;
  border-color: var(--board-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.board-post-password-buttons {
  display: flex;
  gap: 10px;
}

.board-post-verify,
.board-post-password-cancel {
  padding: 8px 20px;
  border: none;
  border-radius: var(--board-radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.board-post-verify {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
}

.board-post-verify:hover {
  background-color: var(--board-primary-dark);
}

.board-post-password-cancel {
  background-color: #757575;
  color: #fff;
}

.board-post-password-cancel:hover {
  background-color: #616161;
}

/* 投稿編集・削除オプション */
.board-post-options {
  margin-top: 15px;
  padding: 24px;
  display: flex;
  gap: 10px;
}

.board-post-edit-btn,
.board-post-delete-btn {
  padding: 8px 20px;
  border: none;
  border-radius: var(--board-radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.board-post-edit-btn {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
}

.board-post-edit-btn:hover {
  background-color: var(--board-primary-dark);
}

.board-post-delete-btn {
  background-color: #f44336;
  color: #fff;
}

.board-post-delete-btn:hover {
  background-color: #d32f2f;
}

.board-edit-buttons {
  margin-top: 15px;
  display: flex;
  gap: 10px;
}

.board-edit-save,
.board-edit-cancel {
  padding: 10px 24px;
  border: none;
  border-radius: var(--board-radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.board-edit-save {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
}

.board-edit-save:hover {
  background-color: var(--board-primary-dark);
}

.board-edit-cancel {
  background-color: #757575;
  color: #fff;
}

.board-edit-cancel:hover {
  background-color: #616161;
}

.board-post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--board-spacing-md) var(--board-spacing-lg);
  background-color: var(--board-bg);
  border-top: 1px solid var(--board-divider);
}

.board-view-author-posts {
  color: var(--board-primary);
  text-decoration: none;
  font-size: 14px;
  transition: var(--board-transition);
}

.board-view-author-posts:hover {
  text-decoration: underline;
  color: var(--board-primary-dark);
}

.board-return-button {
  display: inline-block;
  padding: 12px 32px;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  text-decoration: none;
  border-radius: var(--board-radius-md);
  font-size: 15px;
  font-weight: 600;
  transition: var(--board-transition);
  box-shadow: var(--board-shadow-sm);
}

.board-return-button:hover {
  background-color: var(--board-primary-dark);
  color: var(--board-on-primary);
  text-decoration: none;
  box-shadow: var(--board-shadow-md);
  transform: translateY(-1px);
}

.board-contact-section {
  margin-bottom: var(--board-spacing-lg);
  text-align: center;
}

.board-contact-button {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  text-decoration: none;
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: var(--board-transition);
}

.board-contact-button:hover {
  background-color: var(--board-primary-dark);
  color: var(--board-on-primary);
  text-decoration: none;
}

/* ============================================
   コメントセクション
   ============================================ */
.board-comments-section {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-comments-title {
  margin: 0 0 var(--board-spacing-lg) 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--board-text-primary);
  padding-bottom: var(--board-spacing-md);
  border-bottom: 2px solid var(--board-primary);
}

.board-comment-item {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-md);
  background-color: var(--board-bg);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-comment-item:last-child {
  margin-bottom: 0;
}

.board-comment-header {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-md);
  margin-bottom: var(--board-spacing-sm);
  font-size: 14px;
  flex-wrap: wrap;
}

.board-comment-number {
  font-weight: 600;
  color: var(--board-primary);
}

.board-comment-author {
  font-weight: 600;
  color: var(--board-text-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--board-spacing-xs);
}

.board-comment-email-icon-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  margin-left: var(--board-spacing-xs);
  transition: var(--board-transition);
}

.board-comment-email-icon-link:hover {
  opacity: 0.7;
  transform: scale(1.1);
}

.board-comment-email-icon {
  margin-left: var(--board-spacing-xs);
  color: var(--board-primary);
  font-size: 16px;
  line-height: 1;
}

.board-comment-date {
  color: var(--board-text-secondary);
  margin-left: auto;
}

.board-comment-edit-delete {
  color: var(--board-primary);
  text-decoration: none;
  cursor: pointer;
  font-size: 13px;
}

.board-comment-edit-delete:hover {
  text-decoration: underline;
}

.board-comment-content {
  padding-top: var(--board-spacing-sm);
}

.board-comment-text {
  margin: 0 0 var(--board-spacing-sm) 0;
  padding: 0;
  font-size: 14px;
  color: var(--board-text-primary);
  text-align: left;
  word-wrap: break-word;
}

.board-comment-text:last-child {
  margin-bottom: 0;
}

/* コメントパスワード入力フォーム */
.board-comment-password-form {
  margin-top: 15px;
  padding: 15px;
  background-color: #f5f5f5;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-comment-password-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-size: 14px;
  margin-bottom: 10px;
  box-sizing: border-box;
}

.board-comment-password-input:focus {
  outline: none;
  border-color: var(--board-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.board-comment-password-buttons {
  display: flex;
  gap: 10px;
}

.board-comment-verify,
.board-comment-password-cancel {
  padding: 8px 20px;
  border: none;
  border-radius: var(--board-radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.board-comment-verify {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
}

.board-comment-verify:hover {
  background-color: var(--board-primary-dark);
}

.board-comment-password-cancel {
  background-color: #757575;
  color: #fff;
}

.board-comment-password-cancel:hover {
  background-color: #616161;
}

/* コメント編集・削除オプション */
.board-comment-options {
  margin-top: 15px;
  display: flex;
  gap: 10px;
}

.board-comment-edit-btn,
.board-comment-delete-btn,
.board-comment-save,
.board-comment-edit-cancel {
  padding: 8px 20px;
  border: none;
  border-radius: var(--board-radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background-color 0.3s;
}

.board-comment-edit-btn {
  background-color: var(--board-primary);
  color: var(--board-on-primary);
}

.board-comment-edit-btn:hover {
  background-color: var(--board-primary-dark);
}

.board-comment-delete-btn {
  background-color: #f44336;
  color: #fff;
}

.board-comment-delete-btn:hover {
  background-color: #d32f2f;
}

.board-comment-save {
  background-color: #4caf50;
  color: #fff;
  margin-right: 10px;
}

.board-comment-save:hover {
  background-color: #388e3c;
}

.board-comment-edit-cancel {
  background-color: #757575;
  color: #fff;
}

.board-comment-edit-cancel:hover {
  background-color: #616161;
}

.board-comment-edit-textarea {
  width: 100% !important;
  min-height: 120px !important;
  padding: 10px !important;
  border: 2px solid var(--board-primary) !important;
  border-radius: var(--board-radius-md) !important;
  font-family: var(--board-font-family) !important;
  font-size: 14px !important;
  line-height: 1.8 !important;
  resize: vertical !important;
  box-sizing: border-box !important;
  color: var(--board-text-primary) !important;
  background-color: var(--board-surface) !important;
}

/* ============================================
   コメント投稿フォーム
   ============================================ */
.board-comment-form-section {
  margin-bottom: var(--board-spacing-lg);
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  overflow: hidden;
}

.board-comment-form-title {
  margin: 0;
  padding: var(--board-spacing-md) var(--board-spacing-lg);
  background: linear-gradient(135deg, #9c27b0 0%, #7b1fa2 100%);
  color: var(--board-on-primary);
  font-size: 18px;
  font-weight: 600;
}

.board-comment-form {
  padding: var(--board-spacing-lg);
}

.board-comment-message {
  padding: var(--board-spacing-sm);
  margin: var(--board-spacing-md);
  border-radius: var(--board-radius-md);

  p {
    font-size: 14px;
  }
}

.board-comment-success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #4caf50;
}

.board-comment-error {
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #f44336;
}

.board-form-field {
  margin-bottom: var(--board-spacing-lg);
}

.board-form-label {
  display: flex;
  align-items: center;
  gap: var(--board-spacing-xs);
  margin-bottom: var(--board-spacing-xs);
  font-size: 14px;
  font-weight: 500;
  color: var(--board-text-primary);
}

.board-form-required {
  display: inline-block;
  padding: 2px 6px;
  background-color: #f44336;
  color: #ffffff;
  font-size: 11px;
  font-weight: 600;
  border-radius: 2px;
  line-height: 1.2;
}

.board-form-input,
.board-form-select,
.board-form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  font-size: 14px;
  font-family: var(--board-font-family);
  color: var(--board-text-primary);
  background-color: var(--board-surface);
  transition: var(--board-transition);
}

.board-form-input:focus,
.board-form-select:focus,
.board-form-textarea:focus {
  outline: none;
  border-color: var(--board-primary);
  box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.1);
}

.board-form-textarea {
  resize: vertical;
  min-height: 120px;
}

.board-form-help {
  margin-top: var(--board-spacing-xs);
  font-size: 12px;
  color: var(--board-text-secondary);
}

.board-form-warning {
  color: #f44336;
  font-weight: 500;
}

.board-form-submit {
  margin-top: var(--board-spacing-xl);
  text-align: center;
}

.board-comment-submit-button {
  padding: 12px 48px;
  background-color: var(--board-primary);
  color: var(--board-on-primary);
  border: none;
  border-radius: var(--board-radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--board-transition);
  box-shadow: var(--board-shadow-sm);
}

.board-comment-submit-button:hover {
  background-color: var(--board-primary-dark);
  box-shadow: var(--board-shadow-md);
  transform: translateY(-1px);
}

.board-comment-submit-button:active {
  transform: translateY(0);
}

/* ============================================
   連絡フォーム
   ============================================ */
.board-contact-info {
  margin-bottom: var(--board-spacing-lg);
  padding: var(--board-spacing-md);
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
}

.board-contact-info p {
  margin: 0 0 var(--board-spacing-xs) 0;
  font-size: 14px;
  color: var(--board-text-primary);
}

.board-contact-info p:last-child {
  margin-bottom: 0;
}

.board-contact-info strong {
  font-weight: 600;
  color: var(--board-text-primary);
}

.board-contact-info a {
  color: var(--board-primary);
  text-decoration: none;
  transition: var(--board-transition);
}

.board-contact-info a:hover {
  color: var(--board-primary-dark);
  text-decoration: underline;
}

#myboard-contact-form {
  background-color: var(--board-surface);
  border: 1px solid var(--board-border);
  border-radius: var(--board-radius-md);
  padding: var(--board-spacing-lg);
}

@media (max-width: 768px) {
  .board-header-section {
    flex-direction: column;
    gap: var(--board-spacing-md);
    padding-bottom: 8px;
  }

  /* 小さい画面でのpadding調整 */
  .board-post-header,
  .board-post-content,
  .board-post-footer {
    padding: 8px;
  }

  /* 小さい画面でのboard-post-headerを縦並び・左寄せ */
  .board-post-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--board-spacing-xs);
  }

  .board-return-button {
    padding: 6px 12px;
  }

  .board-header-right {
    width: 100%;
  }

  .board-single-stats {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    align-items: center;
  }

  .board-single-title {
    font-size: 20px;
  }

  .board-comment-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--board-spacing-xs);
  }

  .board-comment-date {
    margin-left: 0;
  }
}