/* ==========================================================================
   インサイトパートナー LP - スタイルシート
   ========================================================================== */

/* --- デザイントークン --- */
:root {
  /* プライマリカラー（信頼・知性） */
  --color-primary-900: #0b1528;
  --color-primary-800: #102347;
  --color-primary-700: #1e3a8a;
  --color-primary-600: #2563eb;
  --color-primary-500: #3b82f6;
  --color-primary-100: #dbeafe;
  --color-primary-50:  #eff6ff;

  /* アクセントカラー（活力・コンバージョン） */
  --color-accent-600: #d97706;
  --color-accent-500: #f59e0b;
  --color-accent-400: #fbbf24;
  --color-accent-100: #fef3c7;
  --color-accent-50:  #fffbeb;

  /* セカンダリアクセント（成長・成功） */
  --color-success-600: #059669;
  --color-success-500: #10b981;
  --color-success-50:  #ecfdf5;

  /* ニュートラルカラー */
  --color-gray-900: #0f172a;
  --color-gray-800: #1e293b;
  --color-gray-700: #334155;
  --color-gray-600: #475569;
  --color-gray-500: #64748b;
  --color-gray-400: #94a3b8;
  --color-gray-300: #cbd5e1;
  --color-gray-200: #e2e8f0;
  --color-gray-100: #f1f5f9;
  --color-gray-50:  #f8fafc;
  --color-white:    #ffffff;

  /* グラデーション */
  --grad-primary: linear-gradient(135deg, #0b1528 0%, #1e3a8a 100%);
  --grad-hero: linear-gradient(180deg, #0b1528 0%, #111f3d 60%, #0d1a33 100%);
  --grad-cta: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --grad-card-highlight: linear-gradient(180deg, #ffffff 0%, #f0f7ff 100%);
  --grad-accent-subtle: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);

  /* シャドウ */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.25);
  --shadow-cta: 0 10px 25px -5px rgba(217, 119, 6, 0.35);

  /* タイポグラフィ */
  --font-sans: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Plus Jakarta Sans', var(--font-sans);

  /* レイアウト */
  --max-width: 1160px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- リセット & 基本設定 --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* --- ヘッダー --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(11, 21, 40, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
}

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

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-badge {
  background: var(--color-primary-600);
  color: var(--color-white);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.logo-text {
  color: var(--color-white);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.logo-sub {
  font-size: 11px;
  color: var(--color-gray-400);
  font-weight: 400;
  display: block;
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--grad-cta);
  color: var(--color-white);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-cta);
  transition: var(--transition-fast);
}

.header-cta-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.05);
}

/* --- ファーストビュー (Hero Section) --- */
.hero-section {
  position: relative;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  background: var(--grad-hero);
  color: var(--color-white);
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, rgba(37, 99, 235, 0) 70%);
  pointer-events: none;
}

.hero-target-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-100);
  margin-bottom: 24px;
}

.hero-target-pill .target-highlight {
  color: var(--color-accent-400);
  font-weight: 700;
}

.hero-title {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 900;
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-pain-lines {
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--color-accent-500);
  padding: 16px 20px;
  margin-bottom: 24px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.hero-pain-lines p {
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 700;
  color: #fca5a5;
  margin-bottom: 4px;
}

.hero-pain-lines p:last-child {
  margin-bottom: 0;
  color: #fed7aa;
}

.hero-solution-highlight {
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

.hero-solution-highlight span {
  color: var(--color-accent-400);
  border-bottom: 2px solid var(--color-accent-400);
  padding-bottom: 2px;
}

.hero-description {
  font-size: 16px;
  color: var(--color-gray-300);
  margin-bottom: 32px;
  max-width: 800px;
}

.hero-badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 36px;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-white);
}

.hero-badge-item .badge-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--color-success-500);
  color: white;
  border-radius: 50%;
  font-size: 13px;
  flex-shrink: 0;
}

.hero-cta-box {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
  box-shadow: var(--shadow-xl);
}

.hero-cta-caption {
  font-size: 14px;
  color: var(--color-accent-400);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 520px;
  background: var(--grad-cta);
  color: var(--color-white);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 800;
  padding: 18px 32px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-cta);
  transition: var(--transition-normal);
  border: none;
  cursor: pointer;
  letter-spacing: 0.03em;
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px -5px rgba(217, 119, 6, 0.5);
  filter: brightness(1.08);
}

.hero-cta-micro {
  font-size: 13px;
  color: var(--color-gray-400);
  margin-top: 10px;
}

/* --- 共通セクションスタイル --- */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: var(--color-white);
}

.section-dark {
  background: var(--grad-primary);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 50px;
}

.section-step-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-600);
  background: var(--color-primary-100);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.section-dark .section-step-tag {
  color: var(--color-accent-400);
  background: rgba(245, 158, 11, 0.15);
}

.section-title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-gray-900);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

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

.section-subtitle {
  font-size: 16px;
  color: var(--color-gray-600);
  line-height: 1.7;
}

.section-dark .section-subtitle {
  color: var(--color-gray-300);
}

/* --- セクション1: Qualify（お悩みチェック） --- */
.pain-check-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.pain-check-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.pain-check-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-500);
}

.pain-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.pain-checkbox-icon {
  width: 26px;
  height: 26px;
  border: 2px solid #ef4444;
  background: #fef2f2;
  color: #ef4444;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.pain-card-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-gray-900);
  line-height: 1.45;
}

.pain-card-body {
  font-size: 14px;
  color: var(--color-gray-600);
  background: var(--color-gray-50);
  padding: 12px 14px;
  border-radius: var(--radius-md);
  margin-top: auto;
  border-left: 3px solid var(--color-gray-300);
}

.pain-summary-alert {
  background: var(--grad-accent-subtle);
  border: 1px solid var(--color-accent-400);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: #92400e;
  box-shadow: var(--shadow-sm);
}

/* --- セクション2: Understand（根本原因 ＆ 2大新常識） --- */
.root-cause-banner {
  background: var(--color-white);
  border: 2px solid var(--color-primary-600);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 50px;
  box-shadow: var(--shadow-md);
}

.root-cause-heading {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-primary-800);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.root-cause-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.pattern-box {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 20px;
  border-left: 4px solid var(--color-primary-600);
}

.pattern-title {
  font-weight: 800;
  font-size: 16px;
  color: var(--color-primary-800);
  margin-bottom: 8px;
}

.pattern-desc {
  font-size: 14px;
  color: var(--color-gray-700);
}

.two-pillars-box {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.pillar-item {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  padding: 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  color: #9f1239;
}

.pillar-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
  color: #881337;
}

/* 新常識ブロック */
.new-wisdom-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  margin-bottom: 40px;
  border: 1px solid var(--color-gray-200);
}

.new-wisdom-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent-500);
  color: var(--color-white);
  font-size: 13px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.new-wisdom-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 12px;
}

.new-wisdom-intro {
  font-size: 15px;
  color: var(--color-gray-600);
  margin-bottom: 24px;
}

/* 比較テーブル */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-200);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  font-size: 14px;
  background: var(--color-white);
}

.comparison-table th,
.comparison-table td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
  vertical-align: middle;
}

.comparison-table th {
  background: var(--color-gray-100);
  font-weight: 700;
  color: var(--color-gray-800);
}

.comparison-table th.highlight-col,
.comparison-table td.highlight-col {
  background: #f0f7ff;
  color: var(--color-primary-900);
  font-weight: 700;
  border-left: 2px solid var(--color-primary-500);
  border-right: 2px solid var(--color-primary-500);
}

.comparison-table th.highlight-col {
  background: var(--color-primary-700);
  color: var(--color-white);
  border-color: var(--color-primary-700);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.car-metaphor-box {
  background: var(--color-gray-50);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  margin-top: 16px;
  border-left: 4px solid var(--color-primary-600);
}

/* 上流設計力ブロック */
.upstream-design-card {
  background: var(--grad-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-top: 40px;
  box-shadow: var(--shadow-lg);
}

.upstream-heading {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--color-accent-400);
}

.house-metaphor {
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 18px 0;
  font-size: 15px;
  line-height: 1.8;
  border-left: 4px solid var(--color-accent-400);
}

.credentials-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.cred-tag {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
}

/* --- セクション3: Educate（コアバリュー ＆ 事例 ＆ ポジショニング） --- */
.core-values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 50px;
}

.core-value-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.core-value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary-600);
}

.core-value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-500);
}

.core-value-num {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 800;
  color: var(--color-primary-600);
  margin-bottom: 8px;
}

.core-value-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 12px;
  line-height: 1.4;
}

.core-value-desc {
  font-size: 14px;
  color: var(--color-gray-600);
}

/* ハイブリッドIT戦略 */
.hybrid-it-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
  margin-bottom: 60px;
  border: 1px solid var(--color-gray-200);
}

.hybrid-it-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-gray-900);
  text-align: center;
  margin-bottom: 10px;
}

.hybrid-it-subtitle {
  text-align: center;
  font-size: 15px;
  color: var(--color-gray-600);
  margin-bottom: 30px;
}

.hybrid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.hybrid-card {
  padding: 24px;
  border-radius: var(--radius-md);
}

.hybrid-defense {
  background: var(--color-gray-50);
  border: 2px solid var(--color-gray-300);
}

.hybrid-offense {
  background: #eff6ff;
  border: 2px solid var(--color-primary-500);
}

.hybrid-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
}

.hybrid-defense .hybrid-card-tag {
  background: var(--color-gray-200);
  color: var(--color-gray-800);
}

.hybrid-offense .hybrid-card-tag {
  background: var(--color-primary-600);
  color: var(--color-white);
}

.hybrid-card-title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 12px;
}

.hybrid-defense .hybrid-card-title {
  color: var(--color-gray-800);
}

.hybrid-offense .hybrid-card-title {
  color: var(--color-primary-800);
}

.hybrid-card ul {
  list-style: none;
  font-size: 14px;
  color: var(--color-gray-700);
}

.hybrid-card ul li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 10px;
}

.hybrid-card ul li::before {
  content: '▶';
  position: absolute;
  left: 0;
  font-size: 10px;
  top: 4px;
  color: var(--color-primary-600);
}

/* 導入事例 */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.case-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
}

.case-badge {
  display: inline-block;
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.case-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.case-industry {
  font-size: 13px;
  color: var(--color-gray-500);
  margin-bottom: 16px;
}

.case-section-block {
  margin-bottom: 16px;
  font-size: 14px;
}

.case-section-label {
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-impact-box {
  margin-top: auto;
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  padding: 16px;
  color: #065f46;
  font-size: 14px;
}

.case-impact-box strong {
  display: block;
  font-size: 15px;
  color: #047857;
  margin-bottom: 4px;
}

/* ポジショニング比較表 */
.positioning-table th,
.positioning-table td {
  padding: 14px 16px;
  text-align: center;
}

.positioning-table th:first-child,
.positioning-table td:first-child {
  text-align: left;
  font-weight: 700;
  width: 18%;
}

.positioning-table td.highlight-col {
  background: #f0f7ff;
  border-left: 2px solid var(--color-primary-600);
  border-right: 2px solid var(--color-primary-600);
  font-weight: 700;
  color: var(--color-primary-900);
}

.positioning-table th.highlight-col {
  background: var(--color-primary-700);
  color: white;
  border-color: var(--color-primary-700);
}

/* --- セクション4: Stimulate（理想の未来 ＆ プラン ＆ ステップ ＆ プロフィール） --- */
.futures-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}

.future-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-primary-600);
  text-align: center;
}

.future-icon {
  width: 56px;
  height: 56px;
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin: 0 auto 16px;
}

.future-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 12px;
  line-height: 1.4;
}

.future-desc {
  font-size: 14px;
  color: var(--color-gray-600);
  text-align: left;
}

/* 料金プランカード */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.pricing-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pricing-card.featured {
  border: 2px solid var(--color-primary-600);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
  z-index: 2;
}

.pricing-featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-cta);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

.plan-target {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary-600);
  margin-bottom: 6px;
}

.plan-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 14px;
}

.plan-price-box {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-gray-200);
}

.plan-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--color-primary-900);
  font-family: var(--font-en);
}

.plan-price-sub {
  font-size: 12px;
  color: var(--color-gray-500);
}

.plan-features {
  list-style: none;
  font-size: 13px;
  color: var(--color-gray-700);
  margin-bottom: 20px;
  flex-grow: 1;
}

.plan-features li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  line-height: 1.5;
}

.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success-500);
  font-weight: 900;
}

.pricing-notes {
  font-size: 13px;
  color: var(--color-gray-500);
  background: var(--color-gray-100);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-bottom: 60px;
}

/* 導入4ステップ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}

.step-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  position: relative;
}

.step-number {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 800;
  color: var(--color-primary-600);
  background: var(--color-primary-50);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.step-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 8px;
  line-height: 1.4;
}

.step-desc {
  font-size: 13px;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* 代表プロフィール */
.profile-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 36px;
  align-items: center;
}

.profile-avatar-box {
  text-align: center;
}

.profile-avatar-circle {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--grad-primary);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-size: 48px;
  box-shadow: var(--shadow-glow);
}

.profile-name-title {
  font-size: 13px;
  color: var(--color-primary-600);
  font-weight: 700;
}

.profile-name {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-gray-900);
  margin: 4px 0 12px;
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.profile-badge {
  background: var(--color-primary-50);
  color: var(--color-primary-700);
  border: 1px solid var(--color-primary-200);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.profile-bio {
  font-size: 14px;
  color: var(--color-gray-700);
  line-height: 1.8;
}

/* --- セクション5: Transition（オファー ＆ フォーム ＆ FAQ） --- */
.offer-box {
  background: var(--grad-hero);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 48px 36px;
  box-shadow: var(--shadow-xl);
  margin-bottom: 50px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.offer-badge {
  display: inline-block;
  background: var(--grad-cta);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 800;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  box-shadow: var(--shadow-cta);
}

.offer-title {
  font-size: clamp(26px, 3.8vw, 36px);
  font-weight: 900;
  margin-bottom: 16px;
}

.offer-sub {
  font-size: 16px;
  color: var(--color-gray-300);
  margin-bottom: 30px;
}

.deliverables-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  text-align: left;
  margin-bottom: 30px;
}

.deliverable-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 18px;
}

.deliverable-item strong {
  display: block;
  font-size: 15px;
  color: var(--color-accent-400);
  margin-bottom: 6px;
}

.deliverable-item p {
  font-size: 13px;
  color: var(--color-gray-300);
  line-height: 1.5;
}

/* フォームカード */
.form-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gray-200);
  max-width: 760px;
  margin: 0 auto 60px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 8px;
}

.label-required {
  display: inline-block;
  background: #ef4444;
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: 6px;
  vertical-align: middle;
}

.label-optional {
  display: inline-block;
  background: var(--color-gray-300);
  color: var(--color-gray-700);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  margin-left: 6px;
  vertical-align: middle;
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--color-gray-800);
  background: var(--color-white);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.radio-group,
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.custom-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.custom-choice:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
}

.custom-choice input {
  accent-color: var(--color-primary-600);
  width: 16px;
  height: 16px;
}

.form-note {
  font-size: 12px;
  color: var(--color-gray-500);
  margin-top: 6px;
}

.form-submit-btn {
  width: 100%;
  background: var(--grad-cta);
  color: var(--color-white);
  font-size: 18px;
  font-weight: 800;
  padding: 18px 24px;
  border-radius: var(--radius-full);
  border: none;
  box-shadow: var(--shadow-cta);
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(217, 119, 6, 0.5);
  filter: brightness(1.08);
}

.form-success-message {
  display: none;
  background: #ecfdf5;
  border: 2px solid #10b981;
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  color: #065f46;
  font-size: 16px;
  font-weight: 700;
  margin-top: 20px;
}

/* FAQ アコーディオン */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 20px 24px;
  background: none;
  border: none;
  font-size: 16px;
  font-weight: 800;
  color: var(--color-gray-900);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

.faq-q-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-primary-100);
  color: var(--color-primary-700);
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 8px;
}

.faq-icon-arrow {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  background: var(--color-gray-50);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  transition: max-height 0.5s ease-in-out;
}

.faq-answer-inner {
  padding: 16px 24px 24px;
  font-size: 14px;
  color: var(--color-gray-700);
  line-height: 1.8;
  border-top: 1px solid var(--color-gray-200);
}

/* --- フッター --- */
.site-footer {
  background: var(--color-primary-900);
  color: var(--color-gray-400);
  padding: 40px 0 30px;
  font-size: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-info {
  margin-bottom: 12px;
  color: var(--color-gray-300);
  font-size: 14px;
}

.copyright {
  font-size: 12px;
  color: var(--color-gray-500);
}

/* --- レスポンシブ調整 --- */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .header-cta-btn span.desktop-only {
    display: none;
  }

  .pricing-card.featured {
    transform: none;
  }

  .profile-card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 20px;
  }

  .profile-avatar-box {
    margin-bottom: 10px;
  }

  .profile-badges {
    justify-content: center;
  }

  .profile-bio {
    text-align: left;
  }

  .form-card {
    padding: 24px 18px;
  }

  .radio-group,
  .checkbox-group {
    grid-template-columns: 1fr;
  }
}