/* ===== カスタムプロパティ（カラーパレット） ===== */
:root {
  --color-primary: #D63384;
  --color-primary-light: #F8B4D3;
  --color-bg: #FDF6F9;
  --color-text-dark: #3D1A2E;
  --color-text-muted: #7A5C6E;
  --color-white: #FFFFFF;
  --color-accent: #2ECC71;

  /* スペーシング */
  --section-py: 96px;
  --container-max: 1200px;
  --radius: 16px;
  --radius-sm: 8px;

  /* シャドウ */
  --shadow-sm: 0 2px 12px rgba(214, 51, 132, 0.08);
  --shadow-md: 0 8px 32px rgba(214, 51, 132, 0.14);
  --shadow-lg: 0 20px 60px rgba(214, 51, 132, 0.18);
}

/* ===== リセット・ベース ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text-dark);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

/* ===== コンテナ ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== セクション共通 ===== */
.section {
  padding: var(--section-py) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-text-dark);
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(214, 51, 132, 0.35);
}

.btn-primary:hover {
  background: #b8296d;
  border-color: #b8296d;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(214, 51, 132, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 1rem;
}

.btn-xl {
  padding: 20px 56px;
  font-size: 1.1rem;
}

.btn-block {
  width: 100%;
}

/* ===== フェードインアニメーション ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

/* ===== ナビゲーションバー ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(214, 51, 132, 0.1);
  transition: box-shadow 0.3s ease;
  padding: 0;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(214, 51, 132, 0.12);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-dark);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

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

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text-dark);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 16px 24px 24px;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
}

.mobile-menu.open {
  display: flex;
}

.mobile-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-dark);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-primary-light);
}

/* ===== ヒーローセクション ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #FDF6F9 0%, #fce8f1 50%, #f8d5e8 100%);
  padding-top: 70px;
  position: relative;
  overflow: hidden;
}

/* 装飾的な背景要素 */
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(248, 180, 211, 0.4) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(214, 51, 132, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: 48px;
  padding-bottom: 48px;
}

/* ヒーローセクション ブランドロゴ */
.hero-brand-logo {
  height: 64px;
  width: auto;
  display: block;
  margin-bottom: 24px;
  /* mix-blend-mode: multiply でPNGの白背景をピンク背景に自然に溶け込ませる */
  mix-blend-mode: multiply;
}

.hero-eyebrow {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text-dark);
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 40px;
  line-height: 1.8;
}

/* KPI数値 */
.hero-kpi {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 40px;
  padding: 24px 28px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.kpi-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}

.kpi-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--color-text-dark);
  line-height: 1;
  margin-bottom: 6px;
}

.kpi-num.accent {
  color: var(--color-accent);
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.4;
}

.kpi-divider {
  width: 1px;
  height: 48px;
  background: var(--color-primary-light);
  flex-shrink: 0;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ヒーロー画像 */
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  display: block;
  max-height: 560px;
}

/* ===== 課題セクション ===== */
.problems {
  background: var(--color-white);
}

.problem-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--color-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-primary);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.problem-icon {
  font-size: 2rem;
  flex-shrink: 0;
  line-height: 1;
}

.problem-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text-dark);
}

.problem-desc {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== 解決策セクション ===== */
.solution {
  background: linear-gradient(135deg, #3D1A2E 0%, #5a2845 100%);
  color: var(--color-white);
}

.solution .section-title {
  color: var(--color-white);
}

.solution-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.solution-desc {
  font-size: 1.05rem;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 24px;
}

.solution-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding: 40px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 3.5rem;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1;
  min-width: 100px;
}

.stat-num.accent {
  color: var(--color-accent);
}

.stat-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ===== 機能グリッドセクション ===== */
.features {
  background: var(--color-bg);
}

.patent-badge {
  display: inline-block;
  background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  color: #3D1A2E;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
  box-shadow: 0 4px 16px rgba(255, 165, 0, 0.35);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.feature-card {
  padding: 40px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid rgba(214, 51, 132, 0.08);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(214, 51, 132, 0.2);
}

.feature-icon {
  font-size: 2.8rem;
  margin-bottom: 20px;
  line-height: 1;
}

.feature-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===== 機能詳細セクション ===== */
.feature-details {
  background: var(--color-white);
}

.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 80px 0;
  border-bottom: 1px solid rgba(214, 51, 132, 0.1);
}

.detail-row:last-child {
  border-bottom: none;
}

/* 偶数行は逆順（reverse クラス）*/
.detail-row.reverse {
  direction: rtl;
}

.detail-row.reverse > * {
  direction: ltr;
}

/* 機能詳細 実画像 */
.detail-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  display: block;
  max-height: 400px;
}

/* 詳細テキスト */
.detail-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.detail-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-text-dark);
  margin-bottom: 20px;
  line-height: 1.3;
}

.highlight-box {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
}

.detail-desc {
  font-size: 0.97rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 24px;
}

/* 箇条書きリスト */
.detail-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.93rem;
  color: var(--color-text-dark);
}

.detail-list li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 1px;
}

/* 矢印リスト（電子誓約書） */
.arrow-list li {
  flex-direction: column;
  padding: 16px 20px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-primary);
}

.arrow-list li::before {
  content: '→';
  display: none;
}

.arrow-list li strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.arrow-list li span {
  font-size: 0.87rem;
  color: var(--color-text-muted);
}

/* ミニカード（機能02） */
.detail-mini-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 8px;
}

.mini-card {
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  text-align: center;
  border: 1px solid rgba(214, 51, 132, 0.1);
}

.mini-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.mini-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== 料金プランセクション ===== */
.pricing {
  background: var(--color-bg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.pricing-card {
  padding: 48px 40px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 2px solid rgba(214, 51, 132, 0.1);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.pricing-card.recommended {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.pricing-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 8px;
}

.pricing-badge.hot {
  background: #FFF3E0;
  color: #E65100;
}

.pricing-badge.recommend {
  background: var(--color-primary);
  color: var(--color-white);
}

.pricing-badge.area {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.plan-icon {
  font-size: 2.5rem;
  margin-bottom: 12px;
}

.plan-name {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 20px;
}

.plan-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-primary-light);
}

.plan-features li {
  font-size: 0.93rem;
  color: var(--color-text-muted);
  padding-left: 20px;
  position: relative;
}

.plan-features li::before {
  content: '●';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.5rem;
  top: 6px;
}

.plan-price-box {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.plan-price-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.price-val {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-text-dark);
}

.price-val.highlight-price {
  color: var(--color-primary);
}

.price-val small {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.plan-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* 共通注記ボックス */
.pricing-note-box {
  padding: 24px 32px;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  text-align: center;
}

.pricing-note-box p {
  font-size: 0.93rem;
  color: var(--color-text-dark);
  line-height: 1.9;
}

/* ===== CTAセクション ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #fce8f1 100%);
}

/* 2カラムグリッド：テキスト左 / 画像右 */
.cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.cta-inner {
  /* テキスト側は左揃え */
}

.cta-title {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-text-dark);
  margin-bottom: 24px;
  line-height: 1.3;
}

.cta-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.9;
  margin-bottom: 40px;
}

/* CTA画像 */
.cta-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  max-height: 520px;
}

/* 3つの価値提案 */
.value-props {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}

.value-item {
  padding: 32px 24px;
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.value-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}

.value-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.value-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== お問い合わせフォーム ===== */
.contact {
  background: var(--color-white);
}

.contact-form-wrap {
  max-width: 680px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-dark);
}

.required {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid rgba(214, 51, 132, 0.15);
  border-radius: var(--radius-sm);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.95rem;
  color: var(--color-text-dark);
  background: var(--color-bg);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(214, 51, 132, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
  border-color: #e74c3c;
}

.error-msg {
  display: none;
  font-size: 0.8rem;
  color: #e74c3c;
}

.error-msg.show {
  display: block;
}

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

/* 送信完了メッセージ */
.form-success,
.form-error {
  display: none;
  text-align: center;
  padding: 60px 40px;
  border-radius: var(--radius);
}

.form-success.show,
.form-error.show {
  display: block;
}

.form-success {
  background: var(--color-bg);
  border: 2px solid var(--color-primary-light);
}

.form-error {
  background: #fff5f5;
  border: 2px solid #ffb3b3;
}

.success-icon,
.error-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.form-success h3,
.form-error h3 {
  font-size: 1.5rem;
  color: var(--color-text-dark);
  margin-bottom: 12px;
}

.form-success p,
.form-error p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ===== フッター ===== */
.footer {
  background: var(--color-text-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 24px;
}

/* フッターロゴ：暗い背景に合わせて白抜き処理 */
.footer-logo-img {
  height: 40px;
  width: auto;
  display: block;
  margin-bottom: 10px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-links {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

.footer-copy {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== レスポンシブ対応 ===== */

/* タブレット（〜1199px） */
@media (max-width: 1199px) {
  :root {
    --section-py: 72px;
  }

  .hero-content {
    gap: 48px;
  }

  .detail-row {
    gap: 56px;
  }

  .detail-mini-cards {
    grid-template-columns: 1fr;
  }
}

/* スマホ（〜767px） */
@media (max-width: 767px) {
  :root {
    --section-py: 56px;
  }

  /* ナビ */
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .nav-logo-img {
    height: 34px;
  }

  .hero-brand-logo {
    height: 48px;
  }

  /* ヒーロー */
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-img-placeholder {
    aspect-ratio: 16/9;
  }

  .hero-kpi {
    gap: 16px;
    padding: 20px;
  }

  .kpi-num {
    font-size: 1.8rem;
  }

  .hero-cta {
    justify-content: center;
  }

  /* 課題 */
  .problem-cards {
    grid-template-columns: 1fr;
  }

  /* 解決策 */
  .solution-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .solution-stats {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    padding: 28px 20px;
  }

  .stat-item {
    flex-direction: column;
    text-align: center;
    flex: 1;
    min-width: 80px;
  }

  .stat-num {
    font-size: 2.5rem;
    min-width: auto;
  }

  /* 機能グリッド */
  .feature-grid {
    grid-template-columns: 1fr;
  }

  /* 機能詳細 */
  .detail-row {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }

  .detail-row.reverse {
    direction: ltr;
  }

  /* 料金 */
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  /* CTA */
  .cta-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .cta-image {
    order: -1;
  }

  .value-props {
    grid-template-columns: 1fr;
  }

  /* フッター */
  .footer-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    justify-content: center;
  }

  /* ボタン */
  .btn-xl {
    padding: 16px 32px;
    font-size: 1rem;
  }
}

/* 小型スマホ（〜400px） */
@media (max-width: 400px) {
  .hero-kpi {
    flex-direction: column;
    gap: 16px;
  }

  .kpi-divider {
    width: 48px;
    height: 1px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn-lg {
    width: 100%;
    max-width: 280px;
  }
}