/* =============================================
   低用量ピルクリニックポータルサイト - 紫/ラベンダー系デザイン
   Gentle & Caring Medical Portal Design System
   ============================================= */

/* =============================================
   CSS変数定義 - 産婦人科系優しいパレット
   ============================================= */
:root {
  /* グラデーション定義 - ピンク/クリーム系 */
  --gradient-primary: linear-gradient(135deg, #E8A4C9 0%, #D49CB8 100%);
  --gradient-secondary: linear-gradient(120deg, #F5DEB3 0%, #F0E68C 100%);
  --gradient-success: linear-gradient(135deg, #E8A4C9 0%, #D49CB8 100%);
  --gradient-warm: linear-gradient(135deg, #FFE4E1 0%, #E8A4C9 100%);
  --gradient-accent: linear-gradient(135deg, #B6E5FF 0%, #87CEEB 100%);
  --gradient-soft: linear-gradient(135deg, #FFF8F0 0%, #FFFAF0 100%);
  
  /* プライマリカラー - 温かみのあるピンク */
  --primary-color: #E8A4C9;
  --primary-dark: #D49CB8;
  --primary-light: #FFF0F5;
  --primary-lighter: #FFFAFA;
  
  /* セカンダリカラー - 柔らかいクリーム */
  --secondary-color: #F5DEB3;
  --secondary-dark: #DEB887;
  --secondary-light: #FFFAF0;
  
  /* アクセントカラー - 薄いブルー */
  --accent-color: #87CEEB;
  --accent-dark: #70B8DB;
  --accent-light: #F0F8FF;
  
  /* サポートカラー - 桜色（女性らしさ） */
  --support-color: #FFB6C1;
  --support-light: #FFF0F5;
  
  /* テキストカラー */
  --text-primary: #4A3C2A;
  --text-secondary: #8B7355;
  --text-muted: #A0906B;
  --text-light: #C0A876;
  
  /* 背景色 */
  --bg-primary: #FFFFFF;
  --bg-secondary: #FFFAFA;
  --bg-tertiary: #FFF8F0;
  --bg-warm: #FFFAF0;
  --bg-overlay: rgba(0, 0, 0, 0.4);
  
  /* ボーダー */
  --border-color: #F5E6D3;
  --border-light: #FFF0F5;
  
  /* 影（優しい影） */
  --shadow-xs: 0 0 0 1px rgba(232, 164, 201, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(232, 164, 201, 0.1), 0 1px 2px 0 rgba(232, 164, 201, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(232, 164, 201, 0.1), 0 2px 4px -1px rgba(232, 164, 201, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(232, 164, 201, 0.1), 0 4px 6px -2px rgba(232, 164, 201, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(232, 164, 201, 0.1), 0 10px 10px -5px rgba(232, 164, 201, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(232, 164, 201, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(232, 164, 201, 0.06);
  
  /* 角丸 */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* トランジション */
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =============================================
   グローバルスタイル
   ============================================= */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =============================================
   ヒーローセクション - 紫/ラベンダーグラデーション
   ============================================= */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #FFFAFA 0%, #FFF8F0 100%);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(232, 164, 201, 0.05) 0%, transparent 70%);
  animation: float 20s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-container {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
  z-index: 1;
}

.hero-banner {
  position: relative;
  height: 420px;
  background: var(--gradient-primary);
  overflow: hidden;
  border-radius: 0 0 3rem 3rem;
  box-shadow: 0 20px 40px rgba(232, 164, 201, 0.2);
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M0 20h40v20H0z'/%3E%3Cpath d='M0 0h20v40H0z'/%3E%3C/g%3E%3C/svg%3E");
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.0) 0%, rgba(0,0,0,0.2) 100%);
  z-index: 2;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  width: 90%;
  max-width: 800px;
  z-index: 3;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 500;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  line-height: 1.8;
  opacity: 0.98;
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   セクション共通スタイル
   ============================================= */
.site-main {
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
  letter-spacing: -0.02em;
}

.section-title::before {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-description {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-top: 1.5rem;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================
   サイト情報セクション - 紫/ラベンダーカード
   ============================================= */
.site-info-section {
  background: var(--bg-primary);
  padding: 5rem 0;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 30px rgba(232, 164, 201, 0.08);
}

.site-info-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.info-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.info-card {
  background: linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(232, 164, 201, 0.08);
  cursor: pointer;
}

.info-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: var(--transition);
  z-index: -1;
}

.info-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 30px rgba(142, 68, 173, 0.15);
  border-color: var(--primary-color);
  background: var(--bg-primary);
}

.info-card:hover::before {
  opacity: 1;
}

.info-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  background: var(--gradient-warm);
  border-radius: 50%;
  box-shadow: 0 6px 20px rgba(142, 68, 173, 0.2);
}

.info-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.info-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* =============================================
   統計セクション - 紫/ラベンダーグラデーション
   ============================================= */
.statistics-section {
  background: var(--gradient-primary);
  padding: 4rem 0;
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: 0 15px 40px rgba(142, 68, 173, 0.2);
}

.statistics-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.3; }
}

.stats-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  z-index: 1;
}

.stat-box {
  text-align: center;
  color: white;
  animation: fadeInUp 0.8s ease forwards;
}

.stat-box .stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1;
  color: #FFFFFF;
  text-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.stat-box .stat-label {
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* =============================================
   都道府県セクション - 紫/ラベンダーアクセント
   ============================================= */
.prefecture-section {
  background: var(--bg-primary);
  padding: 4rem 0;
  margin-bottom: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(142, 68, 173, 0.08);
}

.prefecture-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.region-group {
  margin-bottom: 3.5rem;
}

.region-group:last-child {
  margin-bottom: 0;
}

.region-label {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  border-left: 5px solid;
  border-image: var(--gradient-primary) 1;
  letter-spacing: -0.01em;
}

.prefecture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1rem;
}

.prefecture-card {
  background: linear-gradient(145deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
  box-shadow: 0 3px 10px rgba(142, 68, 173, 0.06);
}

.prefecture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(142, 68, 173, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
  z-index: 0;
}

.prefecture-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 25px rgba(142, 68, 173, 0.15);
  border-color: var(--primary-color);
}

.prefecture-card:hover::before {
  opacity: 1;
}

.prefecture-main-link {
  display: block;
  padding: 1.25rem 1rem;
  text-decoration: none;
  color: inherit;
  position: relative;
  z-index: 1;
}

.prefecture-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.prefecture-stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stat-item {
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
}

.stat-number {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.prefecture-sub-info {
  padding: 0.75rem 1rem;
  background: var(--bg-warm);
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 1.25rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.sub-stat {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
}

/* =============================================
   主要エリア・駅セクション - 紫/ラベンダーテーマ
   ============================================= */
.major-areas-section {
  background: var(--bg-primary);
  padding: 4rem 0;
  margin-bottom: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(142, 68, 173, 0.08);
}

.major-areas-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.major-area-group {
  background: linear-gradient(145deg, var(--bg-tertiary) 0%, var(--bg-primary) 100%);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.major-area-group::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.major-area-group:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(142, 68, 173, 0.12);
  border-color: var(--primary-light);
}

.major-area-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-light);
  letter-spacing: -0.01em;
}

.area-subsection {
  margin-bottom: 2rem;
}

.area-subsection:last-child {
  margin-bottom: 0;
}

.subsection-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.subsection-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.area-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.area-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(142, 68, 173, 0.08);
}

.area-link:hover {
  background: var(--gradient-warm);
  border-color: transparent;
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(142, 68, 173, 0.2);
}

.area-link.station-link {
  padding-left: 2.5rem;
}

.area-link.station-link::after {
  content: "🚃";
  position: absolute;
  left: 1rem;
  font-size: 1rem;
}

.area-count {
  background: var(--gradient-accent);
  color: white;
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(187, 143, 206, 0.2);
}

/* =============================================
   コラムセクション - 記事コンテンツスタイル
   ============================================= */
.column-section {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
  padding: 4rem 0;
  margin-bottom: 3rem;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px rgba(142, 68, 173, 0.08);
}

.column-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.column-article {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin-bottom: 3rem;
  box-shadow: 0 5px 20px rgba(142, 68, 173, 0.08);
  border: 1px solid var(--border-light);
}

.column-article:last-child {
  margin-bottom: 0;
}

.column-heading {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 3px solid var(--gradient-primary);
  border-image: var(--gradient-primary) 1;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.column-icon {
  font-size: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--gradient-warm);
  border-radius: 50%;
  flex-shrink: 0;
}

.column-body {
  color: var(--text-primary);
  line-height: 1.8;
}

.column-subheading {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--accent-color);
}

.column-text {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

/* 治療薬カード */
.medicine-card {
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-warm) 100%);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.medicine-card:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(142, 68, 173, 0.1);
  border-color: var(--primary-light);
}

.medicine-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

.medicine-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ポイントカード */
.point-card {
  background: var(--bg-primary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 2rem;
  transition: var(--transition);
}

.point-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.point-card:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(142, 68, 173, 0.1);
}

.point-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 0.75rem;
}

.point-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 治療の注意事項 */
.treatment-note {
  background: linear-gradient(135deg, #F8F5FB 0%, #EBDEF0 100%);
  border: 2px solid var(--primary-light);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 2rem;
}

.treatment-note p {
  color: var(--primary-dark);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.treatment-note ul {
  list-style: none;
  padding-left: 0;
}

.treatment-note li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.treatment-note li::before {
  content: '•';
  position: absolute;
  left: 0.5rem;
  color: var(--primary-color);
  font-weight: bold;
}

/* チェックリスト */
.clinic-checklist {
  background: var(--gradient-soft);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 2rem;
}

.checklist-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1rem;
}

.checklist-items {
  list-style: none;
  padding: 0;
}

.checklist-items li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.checklist-items li:last-child {
  border-bottom: none;
}

/* タイムラインカード */
.timeline-card {
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
  border-left: 4px solid var(--gradient-primary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  position: relative;
  transition: var(--transition);
}

.timeline-card:hover {
  transform: translateX(5px);
  box-shadow: 0 5px 15px rgba(142, 68, 173, 0.1);
}

.timeline-period {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.75rem;
}

.timeline-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 効果を高める要因 */
.effect-factors {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 2rem;
}

.factors-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 1.5rem;
  text-align: center;
}

.factors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.factor-item {
  text-align: center;
  padding: 1rem;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 3px 10px rgba(142, 68, 173, 0.08);
  transition: var(--transition);
}

.factor-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(142, 68, 173, 0.15);
}

.factor-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 0.75rem;
}

.factor-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* =============================================
   アニメーション
   ============================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

/* =============================================
   レスポンシブデザイン - タブレット
   ============================================= */
@media (min-width: 768px) {
  .hero-banner {
    height: 480px;
  }
  
  .hero-title {
    font-size: 3rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .prefecture-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.25rem;
  }
  
  .major-areas-wrapper {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .factors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =============================================
   レスポンシブデザイン - デスクトップ
   ============================================= */
@media (min-width: 1024px) {
  .hero-banner {
    height: 560px;
  }
  
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.375rem;
  }
  
  .section-title {
    font-size: 2.5rem;
  }
  
  .prefecture-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
  }
  
  .major-areas-wrapper {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
  
  .info-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .stats-container {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .factors-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =============================================
   スクロールアニメーション
   ============================================= */
.scroll-fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}