/* ============================================
   GENSO GLOBAL — マッキンゼー/BCG/デロイト風
   プロフェッショナルデザインシステム
   ============================================ */

/* カスタムプロパティ */
:root {
  /* カラー — GENSO GLOBAL ブランドカラー */
  --navy: #1d2b45;
  --navy-deep: #0f1a2e;
  --navy-light: #2c3e5a;
  --gold: #e9a73e;
  --gold-dark: #c78d2f;
  --gold-light: #f4c06a;

  /* UI カラー */
  --white: #ffffff;
  --off-white: #f7f8fa;
  --gray-50: #f2f3f5;
  --gray-100: #e8e9ed;
  --gray-200: #d0d2d8;
  --gray-300: #a8aab4;
  --gray-400: #6b6e7a;
  --gray-500: #4a4d58;
  --gray-600: #2e3038;
  --gray-700: #1e2028;
  --black: #0e0f13;

  /* テキスト */
  --text-primary: #1a1c24;
  --text-secondary: #4a4d58;
  --text-tertiary: #7a7d88;
  --text-inverse: #ffffff;

  /* バックグラウンド */
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8fa;
  --bg-dark: #1d2b45;
  --bg-darker: #0f1a2e;

  /* ボーダー */
  --border-light: #e8e9ed;
  --border-medium: #d0d2d8;

  /* タイポグラフィ */
  --font-primary: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;

  /* スペーシング */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;
  --space-4xl: 10rem;

  /* トランジション */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.3s;
  --duration-slow: 0.6s;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul,
ol {
  list-style: none;
}

::selection {
  background: rgba(29, 43, 69, 0.15);
  color: var(--text-primary);
}

/* ============================================
   ユーティリティ
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  flex-shrink: 0;
}

.heading-lg {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.body-text {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-secondary);
  font-weight: 400;
}

.section {
  padding: var(--space-3xl) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.section-header {
  margin-bottom: var(--space-2xl);
}

.section-desc {
  margin-top: var(--space-sm);
  max-width: 620px;
}

.hide-sp {
  display: inline;
}

/* アニメーション */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ============================================
   ナビゲーション — ミニマル・クリーン
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: all var(--duration) var(--ease);
}

.nav-container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  transition: height var(--duration) var(--ease);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}

.navbar:not(.scrolled) .nav-links a:not(.nav-cta),
.navbar:not(.scrolled) .lang-btn {
  color: rgba(255, 255, 255, 0.7);
}

.navbar:not(.scrolled) .nav-links a:not(.nav-cta):hover {
  color: #fff;
}

.navbar.scrolled .nav-links a:not(.nav-cta) {
  color: var(--text-secondary);
}

.navbar.scrolled .nav-links a:not(.nav-cta):hover {
  color: var(--text-primary);
}

.navbar.scrolled .nav-logo-img {
  filter: none;
}

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

.nav-logo-img {
  height: 56px;
  width: auto;
  transition: filter var(--duration) var(--ease);
}

.navbar:not(.scrolled) .nav-logo-img {
  filter: brightness(10);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.5vw, 2.2rem);
}

.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  transition: color var(--duration) var(--ease);
  white-space: nowrap;
}

.nav-cta {
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  padding: 0.5rem 1.2rem;
  background: var(--navy);
  color: var(--white) !important;
  border-radius: 4px;
  transition: all var(--duration) var(--ease) !important;
}

.nav-cta:hover {
  background: var(--navy-light) !important;
  transform: translateY(-1px);
}

.navbar:not(.scrolled) .nav-cta {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.navbar:not(.scrolled) .nav-cta:hover {
  background: rgba(255, 255, 255, 0.25) !important;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* 言語スイッチャー */
.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}

.navbar:not(.scrolled) .lang-switcher {
  border-color: rgba(255, 255, 255, 0.25);
}

.lang-btn {
  background: none;
  border: none;
  padding: 0.3rem 0.55rem;
  font-family: var(--font-primary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
  color: var(--text-tertiary);
}

.lang-btn.active {
  background: var(--navy);
  color: var(--white);
}

.navbar:not(.scrolled) .lang-btn.active {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* ハンバーガー */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1002;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text-primary);
  transition: all var(--duration) var(--ease);
  border-radius: 1px;
}

.navbar:not(.scrolled) .nav-toggle span {
  background: #fff;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 999;
}

.nav-overlay.open {
  display: block;
}

/* ============================================
   ヒーロー — フルスクリーン写真ヒーロー
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding-bottom: var(--space-3xl);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
      rgba(15, 26, 46, 0.4) 0%,
      rgba(15, 26, 46, 0.3) 30%,
      rgba(15, 26, 46, 0.6) 70%,
      rgba(15, 26, 46, 0.85) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 3rem);
  width: 100%;
}

.hero-eyebrow {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: var(--space-md);
  animation: fadeUp 0.8s 0.2s both;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
  animation: fadeUp 0.8s 0.4s both;
}

.hero-line {
  display: block;
}

.hero-sub {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 560px;
  line-height: 1.85;
  margin-bottom: var(--space-xl);
  animation: fadeUp 0.8s 0.6s both;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  animation: fadeUp 0.8s 0.8s both;
}

/* ボタン */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.8rem;
  font-family: var(--font-primary);
  font-size: 0.88rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

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

.btn-white:hover {
  background: var(--off-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

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

.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(29, 43, 69, 0.25);
}

/* ============================================
   トラストバー
   ============================================ */
.trust-bar {
  background: var(--navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-items {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  padding: var(--space-sm) 0;
}

.trust-item {
  padding: 0.6rem var(--space-lg);
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.trust-divider {
  width: 1px;
  height: 18px;
  background: rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
}

/* ============================================
   About
   ============================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about-left .heading-lg {
  margin-bottom: var(--space-md);
}

.about-left .body-text {
  margin-bottom: var(--space-xl);
}

/* メトリクス */
.about-metrics {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-light);
}

.metric {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--navy);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-top: 0.3rem;
  font-weight: 500;
}

/* About カード */
.about-card {
  background: var(--navy);
  padding: var(--space-xl);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
}

.about-card-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: var(--space-md);
}

.about-card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
  margin-bottom: var(--space-md);
}

.about-card-body {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.85;
  margin-bottom: var(--space-lg);
}

.about-card-offices {
  display: flex;
  gap: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-card-offices span {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
}

/* ============================================
   サービス — 3×2 グリッド
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.service-card:nth-child(3n) {
  border-right: 1px solid var(--border-light);
}

.service-card {
  border: 1px solid var(--border-light);
  border-right: none;
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  transition: background var(--duration) var(--ease);
}

.service-card:last-child {
  border-right: 1px solid var(--border-light);
}

.service-card:hover {
  background: var(--white);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.service-card-top {
  margin-bottom: var(--space-lg);
  flex: 1;
}

.service-num {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
  display: block;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.35;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.service-list {
  margin-bottom: 0;
}

.service-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.service-list li:last-child {
  border-bottom: none;
}

.service-list li::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}


/* スタートアップカード */
.startup-card {
  margin-top: var(--space-lg);
}

.startup-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  background: var(--white);
}

.startup-left .service-num {
  margin-bottom: var(--space-sm);
}

.startup-left h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.startup-left p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

.startup-right {
  display: flex;
  align-items: center;
}

/* ============================================
   代表紹介
   ============================================ */
.leader-subtitle {
  font-size: 0.92rem;
  color: var(--text-tertiary);
  font-weight: 500;
  letter-spacing: 0.03em;
  margin-top: 0.3rem;
  margin-bottom: var(--space-md);
}

.leader-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.credential-badge {
  display: inline-block;
  padding: 0.35rem 0.8rem;
  background: var(--navy);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: 3px;
}

.leader-bio {
  margin-bottom: 0;
}

.leader-bio p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: var(--space-sm);
}

.leader-bio p:last-child {
  margin-bottom: 0;
}

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

.expertise-list li {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.expertise-list li:last-child {
  border-bottom: none;
}

.expertise-list li::before {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* ============================================
   実績 — プロジェクトカード
   ============================================ */
.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.track-card {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: var(--space-lg);
  background: var(--white);
  display: flex;
  flex-direction: column;
  transition: all var(--duration) var(--ease);
}

.track-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.track-tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--gold);
  display: inline-block;
  align-self: flex-start;
}

.track-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
}

.track-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.75;
  flex: 1;
}

.track-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-light);
}

.track-meta span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.track-flags {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.track-flags img {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}

/* ============================================
   インサイト（強み）
   ============================================ */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.insight-card {
  padding: var(--space-xl);
  border: 1px solid var(--border-light);
  border-bottom: none;
  transition: all var(--duration) var(--ease);
  position: relative;
}

.insight-card:nth-child(odd) {
  border-right: none;
}

.insight-card:nth-child(3),
.insight-card:nth-child(4) {
  border-bottom: 1px solid var(--border-light);
}

.insight-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--duration-slow) var(--ease-out);
}

.insight-card:hover::after {
  width: 100%;
}

.insight-card:hover {
  background: var(--off-white);
}

.insight-num {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--gray-100);
  line-height: 1;
  margin-bottom: var(--space-md);
  font-variant-numeric: tabular-nums;
}

.insight-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  line-height: 1.4;
}

.insight-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ============================================
   会社概要
   ============================================ */
.company-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.company-card {
  border: 1px solid var(--border-light);
  border-radius: 6px;
  overflow: hidden;
}

.company-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--navy);
  color: #fff;
}

.flag {
  font-size: 1.6rem;
}

.company-card-head h3 {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.company-sub {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--border-light);
}

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

.company-table td {
  padding: 0.75rem var(--space-lg);
  font-size: 0.88rem;
  vertical-align: top;
}

.company-table td:first-child {
  font-weight: 600;
  color: var(--text-tertiary);
  width: 100px;
  white-space: nowrap;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.company-table td:last-child {
  color: var(--text-primary);
}

/* ============================================
   CTA セクション
   ============================================ */
.cta-section {
  padding: var(--space-3xl) 0;
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(233, 167, 62, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}

.cta-inner .label {
  justify-content: center;
}

.cta-inner .label::before {
  display: none;
}

.cta-heading {
  color: #fff !important;
  margin-bottom: var(--space-md);
}

.cta-body {
  color: rgba(255, 255, 255, 0.6) !important;
  margin-bottom: var(--space-xl);
}

.cta-actions {
  display: flex;
  justify-content: center;
}

.cta-section .btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
}

.cta-section .btn-primary:hover {
  background: var(--gold-light);
  box-shadow: 0 6px 24px rgba(233, 167, 62, 0.3);
}

/* ============================================
   フッター
   ============================================ */
.footer {
  background: var(--navy-deep);
  padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  flex-shrink: 0;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  margin-bottom: var(--space-sm);
  filter: brightness(10);
}

.footer-tagline {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.footer-nav {
  display: flex;
  gap: var(--space-2xl);
}

.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-col a,
.footer-col p {
  display: block;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 0.4rem;
  transition: color var(--duration) var(--ease);
}

.footer-col a:hover {
  color: var(--gold-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.footer-bottom p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.25);
}

.footer-badges span {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.25);
}

/* ============================================
   キーフレーム
   ============================================ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }

  .service-card:nth-child(2n) {
    border-right: 1px solid var(--border-light);
  }

  .track-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 5rem var(--space-lg) var(--space-lg);
    transition: right var(--duration) var(--ease);
    border-left: 1px solid var(--border-light);
    gap: 0;
    z-index: 1001;
    align-items: flex-start;
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links a:not(.nav-cta) {
    color: var(--text-primary) !important;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-light);
    width: 100%;
    font-size: 0.95rem !important;
  }

  .nav-cta {
    margin-top: var(--space-sm);
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .hero {
    min-height: 85vh;
    align-items: flex-end;
    padding-bottom: var(--space-2xl);
  }

  .hero h1 {
    font-size: clamp(2rem, 8vw, 3rem);
  }

  .hide-sp {
    display: none;
  }

  .trust-items {
    flex-direction: column;
    gap: 0;
  }

  .trust-divider {
    width: 40px;
    height: 1px;
  }

  .trust-item {
    padding: 0.45rem 0;
    font-size: 0.75rem;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .about-metrics {
    gap: var(--space-md);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .service-card:last-child,
  .service-card:nth-child(n) {
    border-right: 1px solid var(--border-light);
    grid-column: span 1;
  }

  .track-grid {
    grid-template-columns: 1fr;
  }

  .startup-inner {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .insights-grid {
    grid-template-columns: 1fr;
  }

  .insight-card,
  .insight-card:nth-child(odd) {
    border-right: 1px solid var(--border-light);
    border-bottom: none;
  }

  .insight-card:last-child {
    border-bottom: 1px solid var(--border-light);
  }

  .company-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-nav {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

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

  .about-metrics {
    flex-direction: row;
    gap: var(--space-sm);
  }

  .metric-value {
    font-size: 1.8rem;
  }

  .cta-actions {
    flex-direction: column;
  }
}