/* ==========================================================================
   MIRAIMO 販促ツールポータル - デザインシステム (style.css)
   ========================================================================== */

/* 変数定義 - 高級感のあるネイビーとゴールド、洗練された白とグレー */
:root {
  /* ==========================================================================
     ライトモード - デフォルト (MIRAIMOクリーンテーマ)
     ========================================================================== */
  --color-bg: #f8fafc; /* 清潔感のある明るいグレー背景 */
  --color-bg-sidebar: #ffffff; /* 白ベースのサイドバー */
  --color-bg-card: #ffffff; /* 白ベースのカード */
  --color-bg-card-hover: #f1f5f9;
  --color-border: #e2e8f0; /* スッキリした境界線 */
  --color-border-hover: #cbd5e1;
  
  --color-text-primary: #0f172a; /* 非常に視認性の高いダークグレー */
  --color-text-secondary: #475569; /* セカンダリテキスト */
  --color-text-muted: #94a3b8;
  
  --color-primary: #1e3a8a; /* MIRAIMOネイビー (公式ブランドカラー) */
  --color-primary-light: #3b82f6;
  --color-primary-soft: #eff6ff; /* ごく薄いネイビーブルー (アクティブ背景など) */
  --color-accent: #f59e0b; /* MIRAIMOゴールド (公式ブランドカラー) */
  --color-accent-hover: #d97706;
  --color-accent-soft: #fffbeb; /* ごく薄いゴールド (注意ハイライトなど) */
  --color-success: #10b981;
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-blur: blur(20px);
  --glass-border: rgba(0, 0, 0, 0.05);
  
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans JP", sans-serif;
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
}

[data-theme="dark"] {
  /* ==========================================================================
     ダークモード (切り替え用テーマ)
     ========================================================================== */
  --color-bg: #070c17;
  --color-bg-sidebar: #0b1326; 
  --color-bg-card: rgba(255, 255, 255, 0.04);
  --color-bg-card-hover: rgba(255, 255, 255, 0.08);
  --color-border: rgba(255, 255, 255, 0.12);
  --color-border-hover: rgba(244, 208, 63, 0.4);
  
  --color-text-primary: #ffffff;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  
  --color-primary: #1e3a8a;
  --color-primary-light: #3b82f6;
  --color-primary-soft: rgba(30, 58, 138, 0.15);
  --color-accent: #f59e0b;
  --color-accent-hover: #d97706;
  --color-accent-soft: rgba(245, 158, 11, 0.1);
  --color-success: #10b981;
  
  --glass-bg: rgba(7, 12, 23, 0.8);
  --glass-blur: blur(20px);
  --glass-border: rgba(255, 255, 255, 0.08);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 20px -8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 40px -12px rgba(0, 0, 0, 0.7);
}

/* ==========================================================================
   背景光エフェクトのテーマ別透過度調整
   ========================================================================== */
.bg-glow {
  transition: opacity 0.5s ease;
}
:root:not([data-theme="dark"]) .bg-glow {
  opacity: 0.015; /* ライトモードではほぼ透明にして清潔感を際立たせます */
}
[data-theme="dark"] .bg-glow {
  opacity: 0.12; /* ダークモードでは元のネオン調に戻します */
}

/* ==========================================================================
   テーマ切り替えボタンのスタイル
   ========================================================================== */
.theme-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 6px;
  transition: var(--transition-smooth);
  margin-right: 1.5rem;
}
.theme-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-accent);
  border-color: var(--color-accent);
}
:root:not([data-theme="dark"]) .theme-toggle-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}
:root:not([data-theme="dark"]) .theme-toggle-btn:hover {
  background: #f1f5f9;
  border-color: var(--color-accent);
}

/* ==========================================================================
   管理画面ボタンのスタイル
   ========================================================================== */
.admin-link-btn {
  margin-right: 1.5rem;
  text-decoration: none;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg-card-hover);
  transition: var(--transition-smooth);
}
.admin-link-btn:hover {
  background: var(--color-border);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}
:root:not([data-theme="dark"]) .admin-link-btn {
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-sm);
}
:root:not([data-theme="dark"]) .admin-link-btn:hover {
  background: #f1f5f9;
  border-color: var(--color-text-secondary);
}

/* 基本リセット & セットアップ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* 背景に配置する美しい光のグラデーション */
.bg-glow {
  position: fixed;
  width: 60vw;
  height: 60vw;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(140px);
  opacity: 0.12;
}
.bg-glow-1 {
  background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
  top: -10%;
  right: -10%;
}
.bg-glow-2 {
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  bottom: -10%;
  left: -10%;
}

/* レイアウト構成（2カラム） */
.layout-wrapper {
  max-width: 1340px;
  margin: 0 auto;
  padding: 2rem 1.5rem 8rem 1.5rem; 
  display: flex;
  align-items: flex-start; 
  gap: 2rem;
  width: 100%;
}

/* ==========================================================================
   ヘッダーデザイン
   ========================================================================== */
.main-header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: var(--transition-smooth);
}

.header-container {
  max-width: 1340px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-container {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 38px;
  width: auto;
  display: block;
}

.brand-logo.logo-dark {
  display: none;
}

body.dark-mode .brand-logo.logo-light {
  display: none;
}

body.dark-mode .brand-logo.logo-dark {
  display: block;
}

.brand-badge {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  color: #000;
  font-weight: 800;
  padding: 0.25rem 0.6rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  letter-spacing: 0.1rem;
}

.site-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.version-tag {
  font-size: 0.65rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-weight: 400;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 0.4rem 0.8rem;
  border-radius: 50px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  background-color: var(--color-success);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--color-success);
  animation: pulse 2s infinite;
}

.status-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-success);
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.5; }
}

/* ==========================================================================
   サイドバーデザイン (時系列メニュー)
   ========================================================================== */
.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--color-bg-sidebar); 
  border: 1px solid var(--color-border); 
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  position: sticky;
  top: 6rem; 
  max-height: calc(100vh - 9rem);
  overflow-y: auto;
  box-shadow: var(--shadow-sm);
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-header-icon {
  color: var(--color-accent);
}

.sidebar-header h2 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.season-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.season-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  background: transparent;
}

.season-item:hover {
  background: var(--color-bg-card-hover);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.season-item.active {
  background: var(--color-primary-soft); 
  border-color: transparent; 
  color: var(--color-primary);
  font-weight: 700;
}

.season-item i {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   メインコンテンツエリア
   ========================================================================== */
.main-content {
  flex-grow: 1;
  min-width: 0; 
  width: 100%;
}

/* イントロダクション */
.intro-section {
  margin-bottom: 1.5rem;
}

.section-desc {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  font-weight: 300;
}

/* ==========================================================================
   検索・フィルター コントロールパネル
   ========================================================================== */
.control-panel {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* 検索ボックス */
.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

.search-box input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  padding: 0.9rem 1rem 0.9rem 3.25rem;
  border-radius: var(--border-radius-sm);
  color: white;
  font-size: 0.95rem;
  font-family: var(--font-main);
  transition: var(--transition-smooth);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 15px rgba(244, 208, 63, 0.15);
  background: rgba(0, 0, 0, 0.4);
}

/* カテゴリタブ */
.filter-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  padding: 0.65rem 1.1rem;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-secondary);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: white;
  border-color: rgba(255, 255, 255, 0.15);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-primary), rgba(30, 58, 138, 0.5));
  color: white;
  border-color: var(--color-accent);
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}

/* ==========================================================================
   カード一覧とレイアウト
   ========================================================================== */
.results-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding: 0 0.25rem;
}

#itemsCount {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.selection-guide {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* 表示モード切り替えスイッチ */
.view-toggle {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 2px;
}

.view-toggle-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  width: 30px;
  height: 30px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.view-toggle-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.05);
}

.view-toggle-btn.active {
  color: var(--color-accent);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
}

.view-toggle-btn i {
  width: 15px;
  height: 15px;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

/* ==========================================================================
   ダッシュボード ＆ フォルダアコーディオン スタイル
   ========================================================================== */
.dashboard-view-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

.dashboard-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

/* ヘッダー情報エリア */
.dashboard-header-area {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.dashboard-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dashboard-title-icon {
  color: var(--color-accent);
  width: 26px;
  height: 26px;
}

.dashboard-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: white;
}

.dashboard-concept {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
}

/* 【リデザイン】ダッシュボード内サブタブ */
.dashboard-subtabs {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.subtab-btn {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.65rem 1.25rem;
  border-radius: 50px;
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: var(--transition-smooth);
}

.subtab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: white;
}

.subtab-btn.active {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e08b00 100%);
  color: black;
  border-color: var(--color-accent);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
}

/* サブコンテンツエリア（非表示/表示の制御） */
.subtab-content {
  display: none;
  animation: tab-fade-in 0.3s ease;
}

.subtab-content.active {
  display: block;
}

@keyframes tab-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* キャンペーン概要カード */
.campaign-summary-box {
  background: linear-gradient(135deg, rgba(15, 28, 54, 0.85) 0%, rgba(8, 15, 29, 0.95) 100%);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--border-radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md), 0 0 15px rgba(244, 208, 63, 0.05);
}

.summary-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
  .summary-details-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

.summary-column h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.summary-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.summary-column li {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  padding-left: 1rem;
  position: relative;
  line-height: 1.5;
}

.summary-column li::before {
  content: "•";
  color: var(--color-accent);
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

/* 【重要】一括ダウンロード & チャットボタンのパネル */
.summary-actions-panel {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 1.5rem;
}

@media (max-width: 640px) {
  .summary-actions-panel {
    flex-direction: column;
    align-items: stretch;
  }
}

/* フォルダアコーディオン本体 */
.folder-accordion {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: 1rem;
  transition: var(--transition-smooth);
}

.folder-accordion:hover {
  border-color: var(--color-border-hover);
}

.folder-accordion.open {
  border-color: var(--color-accent);
  background: var(--color-bg-card-hover);
}

/* フォルダヘッダー */
.folder-header {
  padding: 1.1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  background: transparent;
  transition: var(--transition-smooth);
}

.folder-header:hover {
  background: var(--color-bg-card-hover);
}

.folder-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-folder {
  color: var(--color-accent);
  width: 22px;
  height: 22px;
}

.folder-title-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.folder-file-count {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 0.15rem 0.5rem;
  border-radius: 50px;
}

/* アコーディオンの矢印 */
.icon-chevron {
  color: var(--color-text-muted);
  transition: transform 0.3s ease;
  width: 18px;
  height: 18px;
}

.folder-accordion.open .icon-chevron {
  transform: rotate(180deg);
  color: var(--color-accent);
}

/* フォルダの中身 */
.folder-content {
  display: none;
  padding: 1.5rem;
  border-top: 1px solid var(--color-border);
  background: rgba(0, 0, 0, 0.15);
  animation: folder-fade-in 0.3s ease;
}

.folder-accordion.open .folder-content {
  display: block;
}

@keyframes folder-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}


/* ==========================================================================
   ツールカードデザイン
   ========================================================================== */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-6px);
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-lg);
}

/* チェックボックス付きの選択用オーバーレイ */
.card-select-overlay {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 10;
}

/* カスタムチェックボックス */
.checkbox-container {
  display: block;
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 1.4rem;
  width: 1.4rem;
  background-color: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 6px;
  backdrop-filter: blur(4px);
  transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
  background-color: rgba(255, 255, 255, 0.15);
  border-color: var(--color-accent);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2.5px;
  width: 4px;
  height: 8px;
  border: solid black;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* 選択中のカードを目立たせる */
.card.selected {
  border-color: var(--color-accent);
  background: rgba(244, 208, 63, 0.02);
}

/* カードのサムネイルエリア */
.card-thumbnail {
  height: 180px;
  position: relative;
  overflow: hidden;
  background-color: #f1f5f9; /* 画像が見えやすいよう、薄いグレーの背景色に変更 */
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-thumbnail img {
  max-width: 90%;       /* 横幅最大90% */
  max-height: 90%;      /* 縦幅最大90% */
  width: auto;          /* 比率維持 */
  height: auto;         /* 比率維持 */
  object-fit: contain;  /* 枠内に収める */
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  /* 薄いグレーの背景でも、のぼり旗のような細長い画像で美しい影がはっきり出るよう2重影で強化 */
  filter: drop-shadow(0 5px 9px rgba(0, 0, 0, 0.28)) drop-shadow(0 1px 3px rgba(0, 0, 0, 0.12));
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), filter 0.5s;
}

.card:hover .card-thumbnail img {
  transform: translate(-50%, -50%) scale(1.04); /* 中央配置を維持して少し拡大 */
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.38)) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.18)); /* ホバー時は影を強化して浮遊感を向上 */
}

/* スライダー (複数画像) スタイル */
.card-slider {
  position: relative;
  overflow: hidden; /* 横並びのアセットが枠外にはみ出るのを防ぐ */
}

.slider-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1); /* 右から左へ滑らかに移動するアニメーション */
}

/* 各スライド画像の枠（幅100%にすることで絶対に重ならない） */
.slide-item {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.slide-img {
  position: absolute;   /* 親の.slide-item内で絶対配置 */
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1); /* 中央寄せを強制 */
  max-width: 90%;       /* 横幅最大90% */
  max-height: 90%;      /* 縦幅最大90% */
  width: auto;          /* 比率維持 */
  height: auto;         /* 比率維持 */
  object-fit: contain;
  display: block;       /* 常に表示（wrapperのtranslateXで切り替える） */
  /* 薄いグレー背景でも美しい立体感がはっきり出るよう2重影で強化。個別の枠にあるため重なって濃くなることはありません */
  filter: drop-shadow(0 5px 9px rgba(0, 0, 0, 0.28)) drop-shadow(0 1px 3px rgba(0, 0, 0, 0.12));
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1), filter 0.5s;
}

.card:hover .slide-img {
  transform: translate(-50%, -50%) scale(1.04); /* 中央寄せを維持して綺麗に拡大 */
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.38)) drop-shadow(0 3px 6px rgba(0, 0, 0, 0.18)); /* ホバー時は影を強化して浮遊感を向上 */
}

/* スライド切り替え矢印 */
.slide-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(10, 16, 28, 0.8);
  border: 1px solid var(--color-border);
  color: white;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  opacity: 0; /* 通常は隠す */
  transition: opacity 0.2s, background-color 0.2s, color 0.2s;
  padding: 0;
}

.card-slider:hover .slide-arrow {
  opacity: 1; /* ホバーで表示 */
}

.slide-arrow:hover {
  background: var(--color-accent);
  color: black;
  border-color: var(--color-accent);
}

.prev-arrow {
  left: 0.5rem;
}

.next-arrow {
  right: 0.5rem;
}

.slide-arrow i {
  width: 16px;
  height: 16px;
}

/* スライドドットインジケーター */
.slider-dots {
  position: absolute;
  bottom: 0.6rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.35rem;
  z-index: 5;
}

.slide-dot {
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.2s, width 0.2s;
}

.slide-dot.active {
  background: var(--color-accent);
  width: 14px;
  border-radius: 3px;
}

/* マニュアル用のサムネイルプレースホルダー */
.card-thumbnail-placeholder {
  height: 180px;
  background: linear-gradient(135deg, #101e3d 0%, #081124 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
}

.card-thumbnail-placeholder i {
  width: 40px;
  height: 40px;
  opacity: 0.8;
  filter: drop-shadow(0 0 10px rgba(244, 208, 63, 0.3));
}

.card-thumbnail-placeholder span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

/* カードの詳細コンテナ */
.card-details {
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* タグ並列コンテナ */
.card-tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.65rem; 
}

/* 個々のタグ（バッジ）デザイン */
.tag {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.tag-accent {
  background: rgba(244, 208, 63, 0.1); 
  border: 1px solid rgba(244, 208, 63, 0.3); 
  color: var(--color-accent);
  font-weight: 600;
}

.card-title {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.45;
  margin-bottom: 0.6rem;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: color 0.2s;
}

.card-title:hover {
  color: var(--color-accent);
}

.card-description {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  height: 2.6rem;
  line-height: 1.5;
}

/* ファイルスペック（サイズ・形式） */
.card-spec {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 0.75rem;
  margin-top: auto;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* ダウンロードなどのボタン類 */
.card-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: var(--font-main);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #e08b00 100%);
  color: black !important;
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #ffb834 0%, #d17800 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  background: var(--color-bg-card-hover);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.btn-secondary:hover {
  background: var(--color-bg-card);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
}

.btn-accent {
  background: var(--color-primary);
  color: white !important;
  border: 1px solid var(--color-primary-light);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-accent:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-icon-only {
  padding: 0.55rem;
  aspect-ratio: 1;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   フローティング一括ダウンロードバー
   ========================================================================== */
.floating-download-bar {
  position: fixed;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 3rem);
  max-width: 800px;
  background: rgba(10, 16, 28, 0.85);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-accent);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(245, 158, 11, 0.15);
  border-radius: 50px;
  padding: 0.65rem 1.5rem;
  z-index: 90;
  transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.floating-download-bar.show {
  bottom: 2rem;
}

.bar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  flex-wrap: wrap;
  gap: 1rem;
}

.selection-summary {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.selectAllCheckboxContainer {
  color: white;
  font-size: 0.82rem;
  font-weight: 500;
}

.divider {
  color: var(--color-text-muted);
}

.selected-text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.selected-text strong {
  color: var(--color-accent);
  font-size: 1.05rem;
}

.btn-large {
  padding: 0.75rem 1.5rem;
  font-size: 0.9rem;
  border-radius: 50px;
}

/* ==========================================================================
   詳細ポップアップモーダル
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(4, 7, 14, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-bg-sidebar);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  width: 95%;
  max-width: 1050px;
  max-height: 90vh;
  border-radius: var(--border-radius-lg);
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* モーダル内の詳細説明エリア（印刷・入稿の仕方） */
.detailed-instruction-box {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 1.2rem;
}

.detailed-instruction-box h4 {
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-top: 0;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
}

.detailed-instruction-box p {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
  margin: 0;
}

.modal-backdrop.open .modal-content {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  color: white;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-smooth);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.modal-body {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.modal-image-area {
  background-color: #060b14;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  max-height: 500px;
  overflow: hidden;
}

.modal-image-area img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.modal-info-area {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.modal-tags {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.modal-desc {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
  white-space: pre-wrap; 
}

/* メタ情報リスト */
.meta-list {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.meta-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.meta-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.meta-label {
  color: var(--color-text-muted);
  font-weight: 500;
}

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

.folder-link {
  color: var(--color-primary-light);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* ==========================================================================
   ローディング画面
   ========================================================================== */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(4, 7, 14, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.loading-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.loading-card {
  background: #0b1220;
  border: 1px solid var(--color-accent);
  padding: 2.5rem;
  border-radius: var(--border-radius-lg);
  max-width: 440px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.spinner {
  width: 45px;
  height: 45px;
  border: 4px solid rgba(244, 208, 63, 0.1);
  border-top: 4px solid var(--color-accent);
  border-radius: 50%;
  margin: 0 auto 1.25rem auto;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.loading-message {
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
}

.progress-bar-container {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 100px;
  height: 7px;
  width: 100%;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.progress-bar-fill {
  background: linear-gradient(90deg, var(--color-accent), #ffd27c);
  height: 100%;
  width: 0%;
  transition: width 0.1s linear;
}

.progress-percent {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* ==========================================================================
   AIチャットボットUI
   ========================================================================== */
.ai-chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 500;
  font-family: var(--font-main);
}

.chat-trigger {
  background: linear-gradient(135deg, #101c38 0%, #060c18 100%);
  border: 2px solid var(--color-accent);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 32px rgba(245, 158, 11, 0.25);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s, border-color 0.2s;
}

.chat-trigger:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(245, 158, 11, 0.4);
  border-color: #ffd27c;
}

.chat-trigger.hide {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: scale(0.8) translateY(10px);
}

.bot-icon-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.icon-bot {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  z-index: 2;
}

.pulse-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  animation: pulse-ring-anim 2s cubic-bezier(0.215, 0.610, 0.355, 1) infinite;
  z-index: 1;
}

@keyframes pulse-ring-anim {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

.trigger-text {
  font-weight: 700;
  font-size: 0.9rem;
}

.chat-window {
  z-index: 1000;
  position: absolute;
  bottom: 0;
  right: 0;
  width: 580px; /* 480px -> 580px に拡大 */
  height: calc(100vh - 120px); /* 固定高さから画面連動に変更 */
  min-height: 500px;
  max-height: 820px; /* 高くなりすぎないよう制限 */
  background: #090f1d;
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(245, 158, 11, 0.15);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition-smooth);
}

.chat-window.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.chat-header {
  background: linear-gradient(135deg, #0f1c3f 0%, #060c1b 100%);
  border-bottom: 1px solid rgba(244, 208, 63, 0.2);
  padding: 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-header-bot-icon {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
}

.chat-header-info h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: white;
}

.chat-status {
  font-size: 0.7rem;
  color: var(--color-success);
  display: block;
}

.chat-close {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: color 0.2s;
}

.chat-close:hover {
  color: white;
}

.chat-messages {
  flex-grow: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-image: radial-gradient(circle at 50% 50%, rgba(30, 58, 138, 0.05) 0%, transparent 80%);
}

.message {
  max-width: 85%;
  padding: 0.8rem 1rem;
  border-radius: var(--border-radius-md);
  font-size: 0.85rem;
  line-height: 1.5;
  animation: message-slide-up 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes message-slide-up {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.message-bot {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  color: white;
  align-self: flex-start;
  border-top-left-radius: 4px;
}

/* チャットメッセージ内のリスト表示の体裁（中点が左にくっつく問題の対応） */
.chat-messages .message ul, .chat-messages .message ol {
  padding-left: 1.75rem;
  margin-left: 0.25rem;
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
}
.chat-messages .message li {
  margin-bottom: 0.25rem;
}
.chat-messages .message strong {
  color: #ffc457; /* ゴールドイエロー */
  font-weight: 700;
  font-size: 0.92rem; /* 少し大きめにして目立たせる */
  background: rgba(244, 208, 63, 0.08); /* ほんのり金色の背景 */
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border-bottom: 1px solid rgba(244, 208, 63, 0.25);
  display: inline-block;
  margin: 0.15rem 0;
}

.message-user {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e40af 100%);
  color: white;
  align-self: flex-end;
  border-top-right-radius: 4px;
}

.suggested-questions {
  margin-top: 1rem; /* 0.75rem -> 1.5rem */
  display: flex;
  flex-direction: column;
  gap: 0.6rem; /* 0.4rem -> 0.6rem に隙間を拡大 */
}

.suggest-title {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

.suggest-btn {
  background: rgba(244, 208, 63, 0.05);
  border: 1px solid rgba(244, 208, 63, 0.22);
  color: #ffb834; /* 少し明るいゴールドで見やすく */
  padding: 0.55rem 0.9rem; /* パディングを広げて押しやすく */
  border-radius: 8px; /* 角丸を少し大きめに */
  font-size: 0.82rem; /* 文字を少し大きめに */
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.suggest-btn:hover {
  background: rgba(244, 208, 63, 0.15);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

/* AIチャット内の外部リンクボタン */
.chat-links-container {
  margin-top: 0.4rem;
  margin-bottom: 0.4rem;
  display: flex;
  flex-direction: row; /* 横並びにする */
  flex-wrap: wrap;     /* 収まらない場合は折り返す */
  gap: 0.5rem;         /* ボタン同士の適度な隙間 */
}

.chat-link-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, #d97706 100%);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: black !important; /* 黄色背景なので文字は黒で見やすくします */
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 50px; /* きれいな角丸ボタン */
  font-size: 0.8rem;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: fit-content;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
}

.chat-link-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.35);
  background: linear-gradient(135deg, #ffd27c 0%, #f59e0b 100%);
}

.chat-input-area {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.5rem;
  background: #070c17;
}

.chat-input-area input {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  padding: 0.65rem 1rem;
  color: white;
  font-size: 0.85rem;
  font-family: var(--font-main);
}

.chat-input-area input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.chat-input-area button {
  background: var(--color-accent);
  border: none;
  color: black;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.chat-input-area button:hover {
  background: #ffb834;
  transform: scale(1.05);
}

/* ==========================================================================
   レスポンシブ調整
   ========================================================================== */
@media (max-width: 768px) {
  .layout-wrapper {
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1rem;
  }

  .sidebar {
    width: 100%;
    position: static; 
    max-height: none;
    padding: 1rem;
    background: #0b1326;
    border: 1px solid rgba(255, 255, 255, 0.15);
  }

  .sidebar-header {
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
  }

  .season-list {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    gap: 0.5rem;
    display: flex;
    width: 100%;
    -webkit-overflow-scrolling: touch; 
  }

  .season-list::-webkit-scrollbar {
    height: 4px;
  }
  .season-list::-webkit-scrollbar-thumb {
    background: rgba(244, 208, 63, 0.3);
    border-radius: 2px;
  }

  .season-item {
    padding: 0.55rem 0.9rem;
    font-size: 0.82rem;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.04);
  }
  
  .season-item:hover {
    transform: none; 
  }
}

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
  .system-status {
    align-self: flex-end;
  }
  .floating-download-bar {
    width: 100%;
    border-radius: 0;
    bottom: -150px;
  }
  .floating-download-bar.show {
    bottom: 0;
  }
  .modal-body {
    grid-template-columns: 1fr;
  }
  .modal-image-area {
    min-height: 200px;
  }
  .modal-info-area {
    padding: 1.25rem;
  }
  
  .chat-window {
    width: calc(100vw - 2rem);
    height: calc(100vh - 4rem); /* スマホでも見切れないように縦いっぱいに広げる */
    max-height: 600px;
    right: -1rem;
    bottom: 0;
  }
}

/* ==========================================================================
   表示モード：リスト表示 (.view-list) のスタイル定義
   ========================================================================== */
.cards-grid.view-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem; /* 行の間隔を少し詰める */
}

/* カード全体の横並びレイアウトへの変更 */
.cards-grid.view-list .card {
  flex-direction: row;
  align-items: center;
  padding: 0.6rem 1.25rem;
  min-height: 96px;
  height: auto;
  gap: 1.25rem;
}

/* リスト表示時の一括選択チェックボックス */
.cards-grid.view-list .card-select-overlay {
  position: static; /* 絶対配置を解除して左側に配置 */
  width: auto;
  height: auto;
  opacity: 1; /* 常に表示 */
  padding: 0;
  display: block;
}

/* リスト表示時のサムネイルエリア（大幅にコンパクト化） */
.cards-grid.view-list .card-thumbnail {
  width: 90px;
  height: 64px;
  min-width: 90px; /* 縮まないように固定 */
  border-radius: var(--border-radius-sm);
  background-color: #f1f5f9;
  padding: 0;
  margin: 0;
}

.cards-grid.view-list .card-thumbnail img {
  max-width: 95%;
  max-height: 95%;
  /* 影は小さく綺麗に */
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15)) drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.cards-grid.view-list .card:hover .card-thumbnail img,
.cards-grid.view-list .card:hover .slide-img {
  transform: translate(-50%, -50%) scale(1.02); /* translateを維持して右下への位置ズレを防ぎ、中央のまま少し拡大 */
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2)) drop-shadow(0 1px 3px rgba(0, 0, 0, 0.1));
}

/* リスト表示時のマニュアルプレースホルダー */
.cards-grid.view-list .card-thumbnail-placeholder {
  width: 90px;
  height: 64px;
  min-width: 90px;
  padding: 0;
  border-radius: var(--border-radius-sm);
}

.cards-grid.view-list .card-thumbnail-placeholder i {
  width: 24px;
  height: 24px;
}

.cards-grid.view-list .card-thumbnail-placeholder span {
  font-size: 0.6rem;
  margin-top: 0.1rem;
}

/* カード詳細部分の横並びフレックス化 */
.cards-grid.view-list .card-details {
  padding: 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-grow: 1;
  width: 100%;
  gap: 0.8rem; /* ギャップを詰めて見切れを防止 */
}

/* タグ（時期・カテゴリ）は中央のメタ情報の位置に配置 */
.cards-grid.view-list .card-tags-container {
  margin-bottom: 0;
  gap: 0.25rem;
  width: auto;
  min-width: 110px;
  flex: 0 1 auto;
}

/* タイトルと説明文を束ねる領域 */
.cards-grid.view-list .card-title {
  font-size: 0.95rem;
  margin-bottom: 0;
  flex: 1 1 150px; /* 画面幅に応じて伸縮するように変更 */
  min-width: 150px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis; /* 長いタイトルは丸める */
}

.cards-grid.view-list .card-description {
  display: none; /* リスト表示では説明文を非表示にしてすっきりさせる */
}

/* スペック情報（形式・サイズ）の横並び化 */
.cards-grid.view-list .card-spec {
  margin: 0;
  padding: 0;
  border: none;
  gap: 1rem;
  width: auto;
  min-width: 100px;
  flex: 0 1 auto;
}

.cards-grid.view-list .spec-item {
  font-size: 0.8rem;
}

/* アクションボタン（ダウンロード、詳細表示）の右寄せ化 */
.cards-grid.view-list .card-actions {
  margin-top: 0;
  width: auto;
  gap: 0.5rem;
  min-width: 190px;
  flex-shrink: 0; /* 右端のアクションボタン領域が狭く潰れるのを防ぐ */
  justify-content: flex-end;
}

.cards-grid.view-list .card-actions .btn-block {
  width: 140px; /* 文字が絶対に見切れないように幅を少し拡張 */
  padding: 0.45rem 0.6rem;
  font-size: 0.82rem;
  white-space: nowrap; /* ボタン内のテキスト改行を防ぐ */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.cards-grid.view-list .card-actions .btn-secondary {
  padding: 0.45rem;
}

/* リスト表示時のスライドアニメーションの抑止（ちらつき防止） */
.cards-grid.view-list .slider-wrapper {
  transform: translateX(0%) !important; /* 常に1枚目のアセットで固定 */
  transition: none !important;
}

.cards-grid.view-list .slide-img {
  transition: none !important;
}

/* スマートフォン向けのレスポンシブ対応 */
@media (max-width: 900px) {
  .cards-grid.view-list .card {
    flex-direction: column;
    align-items: stretch;
    padding: 1.2rem;
    gap: 1rem;
  }
  
  .cards-grid.view-list .card-select-overlay {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
  }
  
  .cards-grid.view-list .card-thumbnail {
    width: 100%;
    height: 180px;
  }
  
  .cards-grid.view-list .card-details {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }
  
  .cards-grid.view-list .card-title {
    width: 100%;
    min-width: 0;
    white-space: normal;
  }
  
  .cards-grid.view-list .card-tags-container,
  .cards-grid.view-list .card-spec,
  .cards-grid.view-list .card-actions {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
  }
}

/* ==========================================================================
   サイドバー内アコーディオン式検索BOX スタイル
   ========================================================================== */
.sidebar-search-container {
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.25rem;
}

.sidebar-search-toggle {
  width: 100%;
  background: var(--color-bg-card-hover);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-family: var(--font-main);
  transition: var(--transition-smooth);
  font-weight: 500;
}

.sidebar-search-toggle:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.sidebar-search-toggle.open {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.sidebar-search-box {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), margin-top 0.3s;
  margin-top: 0;
}

.sidebar-search-box.open {
  max-height: 50px; /* 検索窓がスッと下に広がる高さ */
  margin-top: 0.75rem;
}

.sidebar-search-box input {
  width: 100%;
  background: var(--color-bg-card-hover);
  border: 1px solid var(--color-border);
  padding: 0.65rem 0.8rem;
  border-radius: var(--border-radius-sm);
  color: var(--color-text-primary);
  font-size: 0.85rem;
  font-family: var(--font-main);
  transition: var(--transition-smooth);
}

.sidebar-search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-sidebar);
  box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.15);
}

/* ==========================================================================
   キャンペーンヒーローバナー & 1ページ完結型UI 新デザイン
   ========================================================================== */
.campaign-hero-banner {
  position: relative;
  width: 100%;
  height: 240px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
}

.campaign-hero-bg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.campaign-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* ライトモード時は美しい半透明ホワイトのグラデーション */
  background: linear-gradient(to right, rgba(255, 255, 255, 0.88) 30%, rgba(255, 255, 255, 0.3) 100%);
  backdrop-filter: blur(1px);
  -webkit-backdrop-filter: blur(1px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 2.5rem;
  z-index: 2;
  transition: var(--transition-smooth);
}

[data-theme="dark"] .campaign-hero-overlay {
  /* ダークモード時は深みのある半透明ブラックのグラデーション */
  background: linear-gradient(to right, rgba(7, 12, 23, 0.9) 30%, rgba(7, 12, 23, 0.4) 100%);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.campaign-hero-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.campaign-hero-icon {
  color: var(--color-accent);
  width: 28px;
  height: 28px;
}

.campaign-hero-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text-primary);
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: -0.02em;
}

.campaign-hero-concept {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: 0.25rem;
  font-weight: 400;
}

/* 横スクロール サブカテゴリボタン */
.sub-category-scroll-container {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  padding: 0.4rem 0.2rem;
  margin-bottom: 1.5rem;
  scrollbar-width: none; /* Firefox用 */
  -webkit-overflow-scrolling: touch;
}

.sub-category-scroll-container::-webkit-scrollbar {
  display: none; /* Safari/Chrome用 */
}

.sub-category-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.sub-category-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.sub-category-btn.active {
  background: rgba(244, 208, 63, 0.12);
  border-color: var(--color-accent);
  color: var(--color-accent);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(244, 208, 63, 0.15);
}

.section-subtitle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 2.5rem 0 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.75rem;
}

.section-subtitle-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

/* ==========================================================================
   ダッシュボード 左右2カラム分割レイアウト（最初からファイルを見せる）
   ========================================================================== */
.dashboard-grid-layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 2rem;
  margin-top: 1rem;
  align-items: flex-start;
}

/* 左側のキャンペーン概要カラム */
.dashboard-sidebar-info {
  position: sticky;
  top: 90px; /* ヘッダーの高さに合わせて固定表示に */
}

/* 右側の関連ファイルカラム */
.dashboard-main-files {
  min-width: 0; /* flex/grid内での縮小崩れ防止 */
}

/* 左側の概要ボックスのコンパクト化 */
.compact-campaign-box {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.compact-campaign-box h3 {
  color: var(--color-accent);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Noto Sans JP', sans-serif;
}

.compact-summary-section {
  margin-bottom: 1.25rem;
}

.compact-summary-section:last-child {
  margin-bottom: 0;
}

.compact-summary-section h4 {
  color: var(--color-text-primary);
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.compact-summary-section ul {
  padding-left: 1.1rem;
  margin: 0;
}

.compact-summary-section li {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.4rem;
  line-height: 1.45;
}

/* モバイル対応（1024px以下で縦並びに） */
@media (max-width: 1024px) {
  .dashboard-grid-layout {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .dashboard-sidebar-info {
    position: static;
  }
}

/* ==========================================================================
   キャンペーン概要アコーディオン用スタイル (Apple風クリーンカード)
   ========================================================================== */
.campaign-accordion {
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.campaign-accordion-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: transparent;
  transition: var(--transition-smooth);
  user-select: none;
}

.campaign-accordion-header:hover {
  background: var(--color-bg-card-hover);
}

.campaign-accordion-header-left {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.campaign-accordion-title {
  color: var(--color-primary);
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.4;
}

.campaign-accordion-header .icon-chevron-camp {
  color: var(--color-text-secondary);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  width: 18px;
  height: 18px;
}

.campaign-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
  padding: 0 1.5rem;
}

.campaign-accordion.open {
  border-color: var(--color-border);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-md);
}

.campaign-accordion.open .campaign-accordion-header {
  border-bottom: 1px solid var(--color-border);
}

.campaign-accordion.open .campaign-accordion-header .icon-chevron-camp {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.campaign-accordion.open .campaign-accordion-content {
  max-height: 400px; /* 高さを400pxまでに制限してスリム化 */
  padding: 1.5rem;
  overflow-y: auto; /* スクロール可能にする */
}