/* ==========================================================================
   AiMeet サポートページ - 共通スタイルシート
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables - Light Theme (Default)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Corporate AiMeet Brand */
  --color-primary: #0f4c81;
  --color-primary-dark: #0a3a63;
  --color-primary-light: #1e6bb8;
  --color-secondary: #2563eb;
  --color-accent: #0891b2;
  
  /* Neutrals - Light (Clean Corporate) */
  --color-bg: #fafbfc;
  --color-bg-white: #ffffff;
  --color-bg-dark: #0c1829;
  --color-bg-alt: #f3f4f6;
  --color-text: #111827;
  --color-text-light: #4b5563;
  --color-text-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  
  /* Typography */
  --font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows - Light */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 70px;
}

/* --------------------------------------------------------------------------
   Dark Theme
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  /* Neutrals - Dark (Corporate) */
  --color-bg: #0c1829;
  --color-bg-white: #1a2332;
  --color-bg-dark: #050a12;
  --color-bg-alt: #243044;
  --color-text: #f8fafc;
  --color-text-light: #d1d5db;
  --color-text-muted: #9ca3af;
  --color-border: #374151;
  --color-border-light: #1f2937;
  
  /* Shadows - Dark */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
}

/* Dark mode specific overrides */
[data-theme="dark"] .header {
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .footer {
  background: var(--color-bg-dark);
}

[data-theme="dark"] .hero {
  background: #0a3a63;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(8, 145, 178, 0.15) 0%, transparent 40%);
}

[data-theme="dark"] .page-header {
  background: #0a3a63;
}

[data-theme="dark"] .nav {
  background: var(--color-bg-white);
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .faq-item:hover,
[data-theme="dark"] .news-item:hover {
  box-shadow: var(--shadow-lg);
}

[data-theme="dark"] img {
  opacity: 0.9;
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.1rem;
  margin-left: var(--spacing-sm);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.1);
}

/* Transition for theme change */
body.theme-transitioning,
body.theme-transitioning * {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* --------------------------------------------------------------------------
   Typography - Corporate Style
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

h1 { 
  font-size: var(--font-size-4xl); 
  font-weight: 800;
  letter-spacing: -0.02em;
}

h2 { 
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

h3 { 
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

/* Section Title Enhancement */
.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.section-title h2 {
  margin-bottom: var(--spacing-sm);
  display: inline-block;
  position: relative;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.section-title p {
  color: var(--color-text-light);
  max-width: 600px;
  margin: var(--spacing-md) auto 0;
  font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Layout Components
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.main-content {
  flex: 1;
  padding: var(--spacing-3xl) 0;
}

/* --------------------------------------------------------------------------
   Header - Corporate Style
   -------------------------------------------------------------------------- */
.header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border-light), 0 4px 20px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

/* ダークモード時のヘッダー */
[data-theme="dark"] .header {
  background: rgba(30, 41, 59, 0.92);
  box-shadow: 0 1px 0 var(--color-border), 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.logo:hover {
  color: var(--color-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

.logo-img {
  height: 36px;
  width: auto;
  border-radius: var(--radius-sm);
}

.footer-logo-img {
  height: 32px;
  width: auto;
  border-radius: var(--radius-sm);
}

/* Navigation - Corporate (Improved) */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-list {
  display: flex;
  gap: var(--spacing-xs);
  align-items: center;
}

/* 主要ナビゲーション */
.nav-primary {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

/* セパレーター */
.nav-separator {
  width: 1px;
  height: 20px;
  background: var(--color-border-light);
  margin: 0 var(--spacing-sm);
  flex-shrink: 0;
  opacity: 0.6;
}

/* ユーティリティグループ */
.nav-utility {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

/* ユーティリティボタン */
.utility-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.95rem;
  color: var(--color-text-light);
  text-decoration: none;
  flex-shrink: 0;
}

.utility-btn:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary);
  transform: scale(1.08);
}

.utility-btn.active {
  color: var(--color-warning);
  background: rgba(245, 158, 11, 0.1);
}

.utility-btn.active:hover {
  background: rgba(245, 158, 11, 0.2);
}

/* ユーティリティボタンのツールチップ */
.utility-btn {
  position: relative;
}

.utility-btn::after {
  content: attr(title);
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--color-text);
  color: white;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 300;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.utility-btn::before {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-bottom: 5px solid var(--color-text);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 300;
}

.utility-btn:hover::after,
.utility-btn:hover::before {
  opacity: 1;
  visibility: visible;
}

.utility-btn:hover::after {
  transform: translateX(-50%) translateY(0);
}

/* 言語切替セレクト */
.language-switcher {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 6px 28px 6px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  min-width: 100px;
}

.language-switcher:hover {
  border-color: var(--color-primary);
  background-color: var(--color-bg);
}

.language-switcher:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

[data-theme="dark"] .language-switcher {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23aaa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

/* ナビゲーションリンク */
.nav-link {
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 0.875rem;
  position: relative;
  white-space: nowrap;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.nav-link::after {
  display: none;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(28, 100, 242, 0.06);
}

.nav-link.active {
  color: var(--color-primary);
  background: rgba(28, 100, 242, 0.1);
  font-weight: 600;
}

/* AI ChatBot Link - 目立つボタン */
.nav-link.nav-chatbot {
  background: linear-gradient(135deg, #1C64F2, #3b82f6);
  color: white !important;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.8rem;
  transition: all 0.2s ease;
  margin-left: var(--spacing-xs);
  box-shadow: 0 2px 8px rgba(28, 100, 242, 0.25);
}

.nav-link.nav-chatbot:hover {
  background: linear-gradient(135deg, #1e5fd9, #2563eb);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(28, 100, 242, 0.35);
}

/* AI相談ボタンのパルス効果 */
.nav-link.nav-chatbot::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, #1C64F2, #3b82f6);
  opacity: 0;
  animation: pulse-ring 2.5s ease-out infinite;
  z-index: -1;
}

@keyframes pulse-ring {
  0% { opacity: 0.5; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.4); }
}

/* Dropdown Navigation - 洗練されたデザイン */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  position: relative;
}

.nav-dropdown-toggle:hover,
.nav-dropdown-toggle.active {
  color: var(--color-primary);
  background: rgba(28, 100, 242, 0.08);
}

/* ホバー時のアンダーライン効果 */
.nav-link:not(.nav-chatbot)::after,
.nav-dropdown-toggle::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), #3b82f6);
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}

.nav-link:not(.nav-chatbot):hover::after,
.nav-dropdown-toggle:hover::after,
.nav-link.active::after,
.nav-dropdown-toggle.active::after {
  width: 50%;
}

.dropdown-arrow {
  font-size: 0.5rem;
  opacity: 0.5;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
  opacity: 0.8;
}

/* ドロップダウンメニュー - モダンなカード */
.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
  min-width: 190px;
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 200;
  backdrop-filter: blur(8px);
}

.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ドロップダウンメニューの三角形 */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 7px solid var(--color-bg-white);
  filter: drop-shadow(0 -2px 2px rgba(0, 0, 0, 0.04));
}

.nav-dropdown-menu li {
  list-style: none;
}

/* ドロップダウンメニューリンク - 順次表示アニメーション */
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.875rem;
  padding-left: 1rem;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 450;
  white-space: nowrap;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  position: relative;
  opacity: 0;
  transform: translateY(-6px);
}

/* 順次表示アニメーション */
.nav-dropdown:hover .nav-dropdown-menu li:nth-child(1) a { transition-delay: 0.02s; }
.nav-dropdown:hover .nav-dropdown-menu li:nth-child(2) a { transition-delay: 0.04s; }
.nav-dropdown:hover .nav-dropdown-menu li:nth-child(3) a { transition-delay: 0.06s; }
.nav-dropdown:hover .nav-dropdown-menu li:nth-child(4) a { transition-delay: 0.08s; }
.nav-dropdown:hover .nav-dropdown-menu li:nth-child(5) a { transition-delay: 0.10s; }

.nav-dropdown:hover .nav-dropdown-menu a {
  opacity: 1;
  transform: translateY(0);
}

/* 左側アクセントバー */
.nav-dropdown-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: linear-gradient(180deg, var(--color-primary), #3b82f6);
  border-radius: 3px;
  transform: scaleY(0);
  transition: transform 0.2s ease;
}

.nav-dropdown-menu a:hover::before,
.nav-dropdown-menu a.active::before {
  transform: scaleY(1);
}

.nav-dropdown-menu a:hover {
  background: rgba(28, 100, 242, 0.06);
  color: var(--color-primary);
  padding-left: 1.25rem;
}

.nav-dropdown-menu a.active {
  background: rgba(28, 100, 242, 0.1);
  color: var(--color-primary);
  font-weight: 600;
}

.nav-bookmark {
  color: var(--color-warning) !important;
  font-size: 1.1rem;
}

.nav-bookmark:hover {
  background: rgba(245, 158, 11, 0.1) !important;
  color: var(--color-warning) !important;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   Hero Section - Corporate Style
   -------------------------------------------------------------------------- */
.hero {
  background: var(--color-primary);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(8, 145, 178, 0.1) 0%, transparent 40%),
    linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
  color: white;
  padding: var(--spacing-3xl) 0 calc(var(--spacing-3xl) + 1rem);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.5px;
}

.hero h1 {
  color: white;
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.hero-btn-primary {
  background: white;
  color: var(--color-primary);
}

.hero-btn-primary:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.hero-btn-outline {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero-btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: white;
  color: white;
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Page Header - Corporate Style
   -------------------------------------------------------------------------- */
.page-header {
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
  position: relative;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header h1 {
  color: white;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.page-header p {
  opacity: 0.85;
  margin-bottom: 0;
  font-size: var(--font-size-base);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb span {
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Cards - Corporate Style
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border-light);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover .card-icon {
  transform: scale(1.1);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* Featured Card - 目立つカード */
.featured-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
  color: white;
  padding: var(--spacing-xl) var(--spacing-2xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(26, 115, 232, 0.3);
  transition: all 0.3s ease;
}

.featured-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(26, 115, 232, 0.4);
}

.featured-card-icon {
  font-size: 3.5rem;
  flex-shrink: 0;
}

.featured-card-content {
  flex: 1;
}

.featured-card-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.featured-card-content p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.featured-card-arrow {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: gap 0.2s ease;
}

.featured-card:hover .featured-card-arrow {
  gap: var(--spacing-sm);
}

.featured-card-badge {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

/* Dark mode */
[data-theme="dark"] .featured-card {
  background: linear-gradient(135deg, #1e40af 0%, #1e3a8a 100%);
  box-shadow: 0 8px 32px rgba(30, 64, 175, 0.4);
}

[data-theme="dark"] .featured-card:hover {
  box-shadow: 0 12px 40px rgba(30, 64, 175, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
  .featured-card {
    flex-direction: column;
    text-align: center;
    padding: var(--spacing-xl);
  }
  
  .featured-card-icon {
    font-size: 3rem;
  }
  
  .featured-card-content h3 {
    font-size: 1.25rem;
  }
  
  .featured-card-badge {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
  }
}

/* Main cards - larger */
.card-grid-main {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

/* Secondary cards - smaller, 2 columns */
.card-grid-secondary {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  transition: transform var(--transition-base);
}

.card-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.card p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.card-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-md);
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-fast);
}

.card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 1100px) {
  .card-grid-main {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .card-grid-secondary {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .card-grid,
  .card-grid-main,
  .card-grid-secondary {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   FAQ Accordion - Corporate Style
   -------------------------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-border);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-align: left;
  background: transparent;
  transition: background var(--transition-fast);
  color: var(--color-text);
}

.faq-question:hover {
  background: var(--color-bg-alt);
}

.faq-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
  background: var(--color-bg-alt);
  border-radius: var(--radius-full);
  flex-shrink: 0;
  color: var(--color-primary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  background: var(--color-primary);
  color: white;
}

.faq-answer {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  padding-left: calc(var(--spacing-lg) + 4px);
  color: var(--color-text-light);
  display: none;
  border-left: 3px solid var(--color-primary);
  margin-left: var(--spacing-lg);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-category {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-right: var(--spacing-sm);
}

/* FAQ Tabs */
.faq-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.faq-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.faq-tab:hover {
  background: var(--color-bg-white);
  border-color: var(--color-border);
}

.faq-tab.active {
  background: var(--color-primary);
  color: white;
}

/* --------------------------------------------------------------------------
   News List - Corporate Style
   -------------------------------------------------------------------------- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.news-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  padding: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
  transition: all var(--transition-fast);
}

.news-item:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-alt);
}

.news-date {
  flex-shrink: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
  min-width: 80px;
  display: flex;
  flex-direction: row;
  gap: 0;
}

.news-date .month {
  font-weight: 600;
  color: var(--color-primary);
}

.news-date .day {
  font-weight: 600;
  color: var(--color-primary);
}

.news-tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-right: var(--spacing-sm);
}

.news-tag-important {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

.news-tag-update {
  background: rgba(8, 145, 178, 0.1);
  color: var(--color-accent);
}

.news-tag-info {
  background: rgba(15, 76, 129, 0.1);
  color: var(--color-primary);
}

.news-content {
  flex: 1;
}

.news-content h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
  font-weight: 600;
}

.news-content p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.5;
}

.news-arrow {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.news-item:hover .news-arrow {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Document List
   -------------------------------------------------------------------------- */
.doc-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.doc-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  transition: box-shadow var(--transition-base);
}

.doc-item:hover {
  box-shadow: var(--shadow-md);
}

.doc-icon {
  width: 48px;
  height: 48px;
  background: var(--color-border-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.doc-info {
  flex: 1;
}

.doc-info h4 {
  margin-bottom: var(--spacing-xs);
}

.doc-info p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Download List
   -------------------------------------------------------------------------- */
.download-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.download-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.download-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.download-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-accent), #ff8c5a);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-md);
}

.download-item h4 {
  margin-bottom: var(--spacing-sm);
}

.download-item p {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

.btn-secondary {
  background: var(--color-border-light);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-border);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.contact-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  text-align: center;
}

.contact-card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-md);
}

.contact-card h3 {
  margin-bottom: var(--spacing-sm);
}

.contact-card p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

.contact-card a {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Footer - Corporate 3-Column Layout
   -------------------------------------------------------------------------- */
.footer {
  background: var(--color-bg-dark);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  line-height: 1.7;
  margin-bottom: 0;
}

.footer-column h4 {
  color: white;
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  display: inline-block;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-links a:hover {
  color: white;
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer-version {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--font-size-xs);
}

/* Legacy footer-nav for compatibility */
.footer-nav {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

.footer-nav a:hover {
  color: white;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

/* Section title styles moved to Typography section */

/* Loading Spinner */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-2xl);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-light);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --font-size-2xl: 1.25rem;
  }
  
  .header .container {
    position: relative;
  }
  
  .menu-toggle {
    display: flex;
  }
  
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-white);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    padding: var(--spacing-lg);
    display: none;
  }
  
  .nav.active {
    display: flex;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  
  .nav-link {
    display: block;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
  }
  
  .nav-link::after {
    display: none;
  }
  
  /* モバイル用ドロップダウン */
  .nav-dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    background: var(--color-bg-alt);
    display: none;
  }
  
  .nav-dropdown.open .nav-dropdown-menu {
    display: block;
  }
  
  .nav-dropdown-toggle {
    justify-content: space-between;
    width: 100%;
  }
  
  .nav-dropdown-menu a {
    padding-left: var(--spacing-xl);
  }
  
  /* モバイル用セパレーター・ユーティリティ */
  .nav-separator {
    display: none;
  }
  
  .nav-primary {
    flex-direction: column;
    width: 100%;
    gap: 0;
  }
  
  .nav-utility {
    width: 100%;
    justify-content: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .nav-utility .nav-chatbot {
    width: auto;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
  }
  
  .utility-btn {
    width: 40px;
    height: 40px;
  }
  
  .hero {
    padding: var(--spacing-2xl) 0;
  }
  
  .news-item {
    flex-direction: column;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .download-list {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Video Grid - Home Page
   -------------------------------------------------------------------------- */
.video-grid-home {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 1024px) {
  .video-grid-home {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .video-grid-home {
    grid-template-columns: 1fr;
  }
}

.video-card-home {
  display: block;
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.video-card-home:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.video-thumbnail-home {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 */
  background: var(--color-bg-alt);
  overflow: hidden;
}

.video-thumbnail-home img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.video-card-home:hover .video-thumbnail-home img {
  transform: scale(1.05);
}

.video-placeholder-home {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  font-size: 2.5rem;
}

.video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
  opacity: 0.9;
}

.video-card-home:hover .video-play-icon {
  transform: translate(-50%, -50%) scale(1.1);
  opacity: 1;
}

.video-duration-home {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

.video-info-home {
  padding: var(--spacing-md);
}

.video-category-home {
  display: inline-block;
  background: rgba(26, 115, 232, 0.1);
  color: var(--color-primary);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.video-info-home h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ==========================================================================
   ブックマーク機能
   ========================================================================== */

.bookmark-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  padding: 0.25rem;
  transition: all 0.2s ease;
  line-height: 1;
}

.bookmark-btn:hover {
  color: var(--color-warning);
  transform: scale(1.1);
}

.bookmark-btn.bookmarked {
  color: var(--color-warning);
}

/* ブックマークページ */
.bookmarks-container {
  max-width: 800px;
  margin: 0 auto;
}

.bookmark-group {
  margin-bottom: var(--spacing-xl);
}

.bookmark-group-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.bookmark-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.bookmark-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  transition: all 0.2s ease;
}

.bookmark-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.bookmark-link {
  flex: 1;
  text-decoration: none;
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.bookmark-link:hover .bookmark-title {
  color: var(--color-primary);
}

.bookmark-title {
  font-weight: 500;
  transition: color 0.2s ease;
}

.bookmark-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.bookmark-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  padding: 0.5rem;
  transition: color 0.2s ease;
}

.bookmark-remove:hover {
  color: var(--color-error);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-3xl);
  color: var(--color-text-light);
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

/* ブックマークトーストアニメーション */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes slideDown {
  from {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
  to {
    opacity: 0;
    transform: translateX(-50%) translateY(1rem);
  }
}

/* ==========================================================================
   カレンダー連携
   ========================================================================== */

.calendar-btn-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.2s ease;
}

.calendar-btn-trigger:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.calendar-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--spacing-md);
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.calendar-modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 400px;
  width: 100%;
  overflow: hidden;
  animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

.calendar-modal-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.calendar-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.calendar-modal-close:hover {
  color: var(--color-text);
}

.calendar-modal-body {
  padding: var(--spacing-lg);
}

.calendar-event-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-xs);
}

.calendar-event-date {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-lg);
}

.calendar-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.calendar-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-text);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.calendar-btn:hover {
  border-color: var(--color-primary);
  background: rgba(26, 115, 232, 0.05);
}

.calendar-btn .calendar-icon {
  font-size: 1.5rem;
}

.calendar-btn.google:hover {
  border-color: #4285f4;
  background: rgba(66, 133, 244, 0.05);
}

.calendar-btn.outlook:hover {
  border-color: #0078d4;
  background: rgba(0, 120, 212, 0.05);
}

.calendar-btn.ical:hover {
  border-color: var(--color-text);
  background: rgba(0, 0, 0, 0.03);
}

/* ==========================================================================
   プッシュ通知
   ========================================================================== */

.notification-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.5rem;
  transition: all 0.2s ease;
  opacity: 0.7;
}

.notification-toggle:hover {
  opacity: 1;
  transform: scale(1.1);
}

.notification-status {
  font-size: var(--font-size-sm);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
}

.notification-status.enabled {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.notification-status.disabled {
  background: var(--color-bg-alt);
  color: var(--color-text-light);
}

.notification-status.blocked {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-error);
}

/* ==========================================================================
   サイト内検索
   ========================================================================== */

.search-trigger {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  padding: 0.5rem;
  transition: all 0.2s ease;
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.search-trigger:hover {
  opacity: 1;
  transform: scale(1.05);
}

.search-trigger-text {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: none;
}

@media (min-width: 1024px) {
  .search-trigger-text {
    display: inline;
  }
}

/* 検索モーダル */
.search-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 10vh;
  z-index: 10001;
  animation: fadeIn 0.15s ease;
}

.search-modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  max-width: 600px;
  width: 90%;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  animation: scaleIn 0.15s ease;
}

.search-modal-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
  gap: var(--spacing-md);
}

.search-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 0 var(--spacing-md);
}

.search-input-wrapper .search-icon {
  font-size: 1.25rem;
  opacity: 0.5;
}

.search-input-wrapper input {
  flex: 1;
  border: none;
  background: transparent;
  padding: var(--spacing-md);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  outline: none;
}

.search-input-wrapper input::placeholder {
  color: var(--color-text-muted);
}

.search-clear {
  background: none;
  border: none;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
}

.search-clear:hover {
  color: var(--color-text);
}

.search-modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
}

.search-modal-close:hover {
  color: var(--color-text);
}

.search-modal-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
}

.search-placeholder {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-muted);
}

.search-no-results {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--color-text-light);
}

.no-results-icon {
  font-size: 3rem;
  opacity: 0.3;
  margin-bottom: var(--spacing-md);
}

.search-result-count {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border-light);
}

.search-result-group {
  margin-bottom: var(--spacing-lg);
}

.search-group-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.search-result-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.search-result-list li {
  margin-bottom: 2px;
}

.search-result-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.15s ease;
}

.search-result-item:hover {
  background: var(--color-bg-alt);
}

.search-result-title {
  font-weight: 500;
}

.search-result-title mark {
  background: rgba(251, 191, 36, 0.4);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

.search-result-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.4;
}

.search-result-desc mark {
  background: rgba(251, 191, 36, 0.3);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

.search-result-category {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.search-more {
  padding: var(--spacing-sm) var(--spacing-md);
}

.search-more a {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  text-decoration: none;
}

.search-more a:hover {
  text-decoration: underline;
}

/* ショートカットヒント */
.search-shortcut {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-left: var(--spacing-sm);
}

.search-shortcut kbd {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 0.7rem;
}

/* --------------------------------------------------------------------------
   活用ノウハウ集
   -------------------------------------------------------------------------- */

/* 章のスタイル */
.knowhow-chapter {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s ease;
}

.knowhow-chapter:hover {
  box-shadow: var(--shadow-md);
}

.chapter-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  cursor: pointer;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  transition: background 0.2s ease;
}

.chapter-header:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.chapter-number {
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chapter-info {
  flex: 1;
}

.chapter-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 0 0.25rem 0;
}

.chapter-summary {
  margin: 0;
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.chapter-toggle-icon {
  flex-shrink: 0;
  font-size: var(--font-size-sm);
  opacity: 0.8;
  transition: transform 0.2s ease;
}

.chapter-content {
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
}

.chapter-content .no-items {
  text-align: center;
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--spacing-xl) 0;
}

/* ノウハウアイテム */
.knowhow-item {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.knowhow-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.knowhow-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 var(--spacing-md) 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.knowhow-content {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

.knowhow-content p {
  margin: 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* 章のリソース（音声・PDF） */
.chapter-resources {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-bg-alt), var(--color-bg-white));
  border-radius: var(--radius-md);
  border-left: 4px solid var(--color-accent);
  margin-bottom: var(--spacing-lg);
}

.chapter-resources .audio-player-container {
  width: 100%;
  margin-top: var(--spacing-sm);
}

/* ノウハウアクションボタン */
.knowhow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.knowhow-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.knowhow-btn-manual {
  background: var(--color-primary);
  color: white;
}

.knowhow-btn-manual:hover {
  background: var(--color-primary-dark);
}

.knowhow-btn-audio {
  background: var(--color-accent);
  color: white;
  transition: all 0.2s ease;
}

.knowhow-btn-audio:hover {
  background: #0284c7;
}

.knowhow-btn-audio.playing {
  background: var(--color-error);
  animation: pulse-audio 1.5s ease-in-out infinite;
}

.knowhow-btn-audio.playing:hover {
  background: #dc2626;
}

@keyframes pulse-audio {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.knowhow-btn-pdf {
  background: var(--color-error);
  color: white;
}

.knowhow-btn-pdf:hover {
  background: #dc2626;
}

/* 音声プレイヤーコンテナ */
.audio-player-container {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.audio-player-container audio {
  width: 100%;
  border-radius: var(--radius-sm);
}

/* ノウハウ いいねボタン */
.knowhow-like-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.2s ease;
}

.knowhow-like-btn:hover {
  background: var(--color-bg-white);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.knowhow-like-btn.liked {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  border-color: #2563eb;
  color: white;
}

.knowhow-like-btn.liked:hover {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border-color: #1d4ed8;
  color: white;
}

.knowhow-like-btn .like-icon {
  font-size: 1rem;
  transition: transform 0.2s ease;
}

.knowhow-like-btn:hover .like-icon {
  transform: scale(1.1);
}

.knowhow-like-btn .like-count {
  font-weight: 600;
  min-width: 1.25rem;
  text-align: center;
}

/* いいねアニメーション */
.knowhow-like-btn.like-animation {
  animation: likePopup 0.3s ease;
}

@keyframes likePopup {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
  100% {
    transform: scale(1);
  }
}

/* ダークモード対応 */
[data-theme="dark"] .knowhow-like-btn {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

[data-theme="dark"] .knowhow-like-btn:hover {
  background: var(--color-bg-white);
}

/* レスポンシブ */
@media (max-width: 768px) {
  .chapter-header {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .chapter-number {
    order: -1;
  }
  
  .chapter-toggle-icon {
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
  }
  
  .chapter-header {
    position: relative;
    padding-right: 2.5rem;
  }
  
  .knowhow-actions {
    flex-direction: column;
  }
  
  .knowhow-btn {
    justify-content: center;
    width: 100%;
  }
  
  .knowhow-like-btn {
    justify-content: center;
    width: 100%;
  }
}

/* ==========================================================================
   ウィザード（導入ガイド）
   ========================================================================== */

/* コンテナ */
.wizard-container {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-bg-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

.wizard-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

/* プログレスバー */
.wizard-progress {
  background: var(--color-bg-alt);
  height: 8px;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.wizard-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ステップインジケーター */
.wizard-step-indicators {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  padding: 0 var(--spacing-sm);
}

.step-indicator {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  border: 2px solid var(--color-border);
  transition: all 0.3s ease;
  cursor: pointer;
}

.step-indicator:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.step-indicator.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  transform: scale(1.1);
}

.step-indicator.completed {
  background: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

/* ステップカウント */
.wizard-step-count {
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xl);
}

.wizard-step-count span {
  font-weight: 700;
  color: var(--color-primary);
}

/* ステップコンテンツ */
.wizard-step {
  display: none;
  animation: fadeInUp 0.4s ease;
}

.wizard-step.active {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.wizard-step-icon {
  font-size: 3rem;
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.wizard-step-title {
  text-align: center;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.wizard-step-content {
  line-height: 1.8;
}

.wizard-intro {
  text-align: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

/* フィーチャーグリッド */
.wizard-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.wizard-feature-card {
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid var(--color-border-light);
}

.wizard-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.wizard-feature-card .feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.wizard-feature-card h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

/* アプリ項目グリッド */
.wizard-app-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.wizard-app-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.wizard-app-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.wizard-app-card .app-icon {
  font-size: 2.5rem;
  flex-shrink: 0;
}

.wizard-app-card .app-info h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.wizard-app-card .app-info p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.wizard-app-card .app-links {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.wizard-app-card .app-link {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  text-decoration: none;
  transition: background 0.2s ease;
}

.wizard-app-card .app-link:hover {
  background: var(--color-primary-dark);
}

/* セットアップ手順 */
.wizard-setup-steps {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.setup-step-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--color-bg-alt);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.setup-step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.setup-step-content h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.setup-step-content p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  color: var(--color-text);
}

.wizard-feature-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* 情報ボックス */
.wizard-info-box {
  background: linear-gradient(135deg, rgba(15, 76, 129, 0.08), rgba(8, 145, 178, 0.08));
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.wizard-info-box.info-blue {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(59, 130, 246, 0.08));
  border-left-color: #3b82f6;
}

.wizard-info-box h4 {
  margin: 0 0 var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.wizard-info-box ul {
  margin: 0;
  padding-left: var(--spacing-lg);
  list-style: disc;
}

.wizard-info-box li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

/* ヒントボックス */
.wizard-tip-box {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.1));
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.wizard-tip-box .tip-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.wizard-tip-box p {
  margin: 0;
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

/* 番号付きリスト */
.wizard-numbered-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.numbered-item {
  display: flex;
  gap: var(--spacing-lg);
  align-items: flex-start;
}

.numbered-item .number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.numbered-item .item-content h4 {
  margin: 0 0 var(--spacing-xs);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.numbered-item .item-content p {
  margin: 0;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* アプリストアボタン */
.app-store-buttons {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.app-store-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-bg-dark);
  color: white;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s ease;
}

.app-store-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: white;
}

/* ビジュアルステップ */
.wizard-steps-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.visual-step {
  flex: 1;
  min-width: 150px;
  max-width: 200px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  border: 2px solid var(--color-border-light);
  transition: all 0.3s ease;
}

.visual-step:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.visual-step-number {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-xs);
}

.visual-step-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.visual-step h4 {
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-xs);
  color: var(--color-text);
}

.visual-step p {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin: 0;
}

.visual-step-arrow {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 700;
}

/* タイムライン */
.wizard-timeline {
  position: relative;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.wizard-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
  padding-left: var(--spacing-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-bg-white);
  box-shadow: 0 0 0 4px var(--color-bg);
}

.timeline-time {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.timeline-content h4 {
  margin: 0 0 var(--spacing-sm);
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.timeline-content p {
  margin: 0;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.timeline-content ul {
  margin: 0;
  padding-left: var(--spacing-lg);
  list-style: disc;
}

.timeline-content li {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

/* データフィーチャー */
.wizard-data-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.data-feature {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.data-feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.data-feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.data-feature h4 {
  font-size: var(--font-size-base);
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text);
}

.data-feature p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0;
}

/* ヒントグリッド */
.wizard-tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.tip-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
}

.tip-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.tip-card.success {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.1));
  border-color: rgba(16, 185, 129, 0.3);
}

.tip-card.warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), rgba(245, 158, 11, 0.1));
  border-color: rgba(245, 158, 11, 0.3);
}

.tip-header {
  font-size: var(--font-size-xs);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.tip-card.success .tip-header {
  color: var(--color-success);
}

.tip-card.warning .tip-header {
  color: var(--color-warning);
}

.tip-card h4 {
  font-size: var(--font-size-sm);
  margin: 0 0 var(--spacing-xs);
  color: var(--color-text);
}

.tip-card p {
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
  margin: 0;
}

/* FAQ リスト */
.wizard-faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.wizard-faq-item {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  border-left: 4px solid var(--color-primary);
}

.wizard-faq-item .faq-q {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-sm);
}

.wizard-faq-item .faq-a {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  padding-left: var(--spacing-md);
  border-left: 2px solid var(--color-border);
}

/* サポートグリッド */
.wizard-support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.support-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border-light);
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  cursor: pointer;
}

.support-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.support-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.support-card h4 {
  font-size: var(--font-size-lg);
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text);
}

.support-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin: 0 0 var(--spacing-md);
}

.support-action {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* 完了メッセージ */
.wizard-completion-message {
  text-align: center;
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(8, 145, 178, 0.1));
  border-radius: var(--radius-xl);
  border: 2px dashed var(--color-success);
}

.completion-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-md);
}

.wizard-completion-message h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-success);
  margin: 0 0 var(--spacing-md);
}

.wizard-completion-message p {
  color: var(--color-text-light);
  margin: 0 0 var(--spacing-xl);
}

.completion-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* 動画リンク */
.wizard-video-link {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* ナビゲーションボタン */
.wizard-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-light);
}

.wizard-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

.wizard-btn-prev {
  background: var(--color-bg-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.wizard-btn-prev:hover {
  background: var(--color-bg);
  border-color: var(--color-text);
}

.wizard-btn-next {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
}

.wizard-btn-next:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(15, 76, 129, 0.3);
}

/* レスポンシブ */
@media (max-width: 768px) {
  .wizard-container {
    padding: var(--spacing-lg);
    margin: 0 calc(-1 * var(--spacing-md));
    border-radius: 0;
  }

  .wizard-step-indicators {
    gap: var(--spacing-xs);
    padding: 0;
  }

  .step-indicator {
    width: 28px;
    height: 28px;
    font-size: var(--font-size-xs);
  }

  .wizard-feature-grid {
    grid-template-columns: 1fr;
  }

  .wizard-app-grid {
    grid-template-columns: 1fr;
  }

  .wizard-app-card {
    flex-direction: column;
    text-align: center;
  }

  .wizard-steps-visual {
    flex-direction: column;
  }

  .visual-step-arrow {
    transform: rotate(90deg);
  }

  .visual-step {
    width: 100%;
    max-width: none;
  }

  .wizard-data-features {
    grid-template-columns: 1fr;
  }

  .wizard-tips-grid {
    grid-template-columns: 1fr;
  }

  .wizard-support-grid {
    grid-template-columns: 1fr;
  }

  .wizard-nav {
    flex-direction: column-reverse;
    gap: var(--spacing-md);
  }

  .wizard-btn {
    width: 100%;
    justify-content: center;
  }

  .wizard-btn-prev {
    visibility: visible !important;
  }

  .numbered-item {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  .numbered-item .number {
    align-self: flex-start;
  }
}

/* ダークモード対応 */
[data-theme="dark"] .wizard-container {
  background: var(--color-bg-white);
}

[data-theme="dark"] .step-indicator {
  background: var(--color-bg-alt);
  border-color: var(--color-border);
}

[data-theme="dark"] .wizard-feature-card,
[data-theme="dark"] .data-feature,
[data-theme="dark"] .visual-step,
[data-theme="dark"] .support-card {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .wizard-faq-item {
  background: var(--color-bg-alt);
}

[data-theme="dark"] .timeline-item::before {
  border-color: var(--color-bg-white);
  box-shadow: 0 0 0 4px var(--color-bg);
}