/* =========================================================
   メントル リニューアル デモサイト
   soraha design / Tak
   2026-05-23

   設計方針：
   - CSS変数で色・余白・タイポを一元管理
   - 70%以上を白系、青は3階調で機能分け
   - 余白を最優先（呼吸する版面）
   - 明朝なし・Noto Sans JP × Inter の2書体構成
   ========================================================= */

/* ---------- Variables ---------- */
:root {
  /* 配色 5色 + アクセント1色（要件準拠＋温度感補強） */
  --c-navy:       #0F2A4F;   /* H1・キーステートメント・フッター */
  --c-primary:    #1F6FEB;   /* CTA・リンク・キーワード */
  --c-pale:       #EEF4FC;   /* セクション地・カード地 */
  --c-text:       #1A1F2C;   /* 本文 */
  --c-bg:         #FBFCFD;   /* 全体ベース */

  /* 暖色アクセント（青白の冷たさを中和・キーワード強調） */
  --c-accent:     #F59E0B;   /* コーラルオレンジ：ハイライト・成功色 */
  --c-accent-soft:#FEF3C7;   /* 淡いコーラル：背景霞・ソフト下線 */

  /* 追加サブカラー */
  --c-text-sub:   #4A5568;   /* 補助テキスト */
  --c-text-mute:  #64748B;   /* ミュート（コントラスト 4.6:1 / WCAG AA合格） */
  --c-fg-dark:    rgba(255,255,255,0.7);  /* ネイビー背景時の前景 */
  --c-fg-dark-mute: rgba(255,255,255,0.5);
  --c-line:       #E2E8F0;   /* 細罫線 */
  --c-success:    #16A34A;   /* 合格率・成功 */

  /* タイポグラフィ */
  --f-jp:         "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --f-en:         "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  /* スペース */
  --s-section:    160px;     /* PC セクション間 */
  --s-block:      48px;      /* ブロック間 */
  --s-card:       32px;      /* カード間 */

  /* レイアウト */
  --w-content:    1200px;
  --w-narrow:     880px;
  --r-md:         8px;
  --r-sm:         4px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* フォーカス可視化（WCAG 2.4.7） */
:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* モーション削減対応（WCAG 2.3.3 / 前庭障害ユーザ配慮） */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .reveal { opacity: 1; transform: none; transition: none; }
}
body {
  margin: 0;
  font-family: var(--f-jp);
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-text);
  background: var(--c-bg);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-navy); }
h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.4; color: var(--c-navy); font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* 共通コンテナ */
.container {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 32px;
}
.container-narrow {
  max-width: var(--w-narrow);
  margin: 0 auto;
  padding: 0 32px;
}

/* セクションの基本 */
.section { padding: var(--s-section) 0; }
.section-pale { background: var(--c-pale); }

/* 見出しスケール */
.section-eyebrow {
  display: inline-block;
  font-family: var(--f-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.4;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.section-lead {
  font-size: 17px;
  line-height: 1.95;
  color: var(--c-text-sub);
  max-width: 720px;
  margin-bottom: 64px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 252, 253, 0.96);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--c-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  max-width: var(--w-content);
  margin: 0 auto;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--c-navy);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
}
.logo-en {
  font-family: var(--f-en);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-mute);
  letter-spacing: 0.1em;
}
.g-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.g-nav a {
  color: var(--c-text);
  font-size: 14px;
  font-weight: 500;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: var(--r-sm);
  transition: background-color .2s;
}
.header-cta:hover { background: var(--c-navy); color: #fff; }
.g-nav a:hover { color: var(--c-primary); }
.hamburger {
  display: none;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
}

/* ---------- Hero（テキスト全面 + 背景に薄ぼかしビジュアル） ---------- */
.hero {
  padding: 120px 0 140px;
  background: var(--c-bg);
  position: relative;
  overflow: hidden;
}
/* 背景の微細ドットパターン（学習の "繋がり" を遠景で表現） */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(31, 111, 235, 0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  background-position: 0 0;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 60%, transparent 100%);
  z-index: 0;
}
/* 右上の暖色霞（青白の冷たさを中和） */
.hero::after {
  content: "";
  position: absolute;
  top: -160px;
  right: -160px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.10), transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  display: block;
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 2;
}
.hero-text {
  position: relative;
  z-index: 3;
  max-width: 880px;
}
.hero-eyebrow {
  font-family: var(--f-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.hero-eyebrow::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--c-accent);
}
.hero-title {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  margin-bottom: 32px;
  color: var(--c-navy);
}
.hero-title em {
  font-style: normal;
  color: var(--c-primary);
  /* マーカー風ハイライト（複数行対応・linear-gradientで文字下40%にコーラル淡色を敷く） */
  background: linear-gradient(transparent 65%, var(--c-accent-soft) 65%, var(--c-accent-soft) 92%, transparent 92%);
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  padding: 0 4px;
  margin: 0 -4px;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.95;
  color: var(--c-text-sub);
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Hero ビジュアル：背景に薄くぼかして広く配置 ---------- */
.hero-visual {
  position: absolute;
  top: 50%;
  right: -12%;
  transform: translateY(-50%);
  width: 70%;
  max-width: 900px;
  aspect-ratio: 1 / 1;
  z-index: 1;
  pointer-events: none;
  opacity: 0.32;
  filter: blur(1.5px) saturate(0.85);
  /* 左側へフェード（テキスト側を読みやすくする） */
  mask-image: linear-gradient(to left, #000 35%, transparent 100%);
  -webkit-mask-image: linear-gradient(to left, #000 35%, transparent 100%);
}
.hero-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

/* 軽いフロート微動でアニメ感を残す */
@keyframes hero-visual-float {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50%      { transform: translateY(calc(-50% - 8px)) scale(1.01); }
}
.hero-visual {
  animation: hero-visual-float 10s ease-in-out infinite;
}

/* モバイルでは画像をさらに薄く・小さく */
@media (max-width: 1024px) {
  .hero-visual {
    width: 85%;
    right: -25%;
    opacity: 0.22;
  }
}
@media (max-width: 640px) {
  /* スマホでは上部 40% にだけ薄く配置（Routes と同じ方式・テキスト領域はクリーン） */
  .hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    height: 38%;
    max-width: none;
    transform: none;
    opacity: 0.18;
    filter: blur(2px) saturate(0.75);
    mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, #000 30%, transparent 100%);
    animation: none;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    border-radius: 0;
    box-shadow: none;
  }
}

/* KPI セクション（ヒーロー直下・横並び4枚） */
.kpi-section {
  padding: 0 0 100px;
  background: var(--c-bg);
  position: relative;
}
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--w-content);
  margin: 0 auto;
}
.kpi-card-accent .kpi-num {
  color: var(--c-accent);
}
.kpi-card-accent::before {
  background: var(--c-accent) !important;
}
@media (max-width: 1024px) {
  .kpi-section { padding: 0 0 80px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .kpi-grid { grid-template-columns: 1fr; gap: 12px; }
}
.kpi-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px 32px;
  position: relative;
}
.kpi-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  bottom: 28px;
  width: 3px;
  background: var(--c-primary);
  border-radius: 2px;
}
.kpi-num {
  font-family: var(--f-en);
  font-size: 42px;
  font-weight: 800;
  color: var(--c-navy);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.kpi-num small {
  font-size: 22px;
  font-weight: 600;
  margin-left: 4px;
  color: var(--c-primary);
}
.kpi-label {
  font-size: 13px;
  color: var(--c-text-sub);
  margin-top: 6px;
  letter-spacing: 0.05em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--r-sm);
  transition: background-color .2s, color .2s, border-color .2s;
  cursor: pointer;
  border: none;
  font-family: inherit;
  letter-spacing: 0.02em;
  color: inherit;
  text-decoration: none;
}
.btn-primary {
  background: var(--c-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--c-navy); color: #fff; }
.btn-ghost {
  background: transparent;
  color: var(--c-primary);
  border: 1px solid var(--c-primary);
}
.btn-ghost:hover { background: var(--c-pale); color: var(--c-primary); }
.btn-arrow::after {
  content: "→";
  font-family: var(--f-en);
  font-weight: 400;
}

/* テキストリンク */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--c-primary);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--c-primary);
  padding-bottom: 2px;
}
.link-arrow::after { content: "→"; }

/* ---------- 3導線分岐セクション ---------- */
.routes {
  background: var(--c-pale);
  padding: var(--s-section) 0;
  position: relative;
  overflow: hidden;
}
/* 背面に薄くぼかし配置（見出し領域だけに表示・下にフェード） */
.routes-visual {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 45%;  /* セクション上部 45% にだけ表示 */
  z-index: 0;
  pointer-events: none;
  opacity: 0.28;
  filter: blur(2px) saturate(0.85);
  /* 下方向に自然にフェード */
  mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent 100%);
}
.routes-visual img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.routes .container {
  position: relative;
  z-index: 2;
}
@media (max-width: 640px) {
  /* スマホでも Routes 背面に薄ら：見出し領域だけ・下方向フェード */
  .routes-visual {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 35%;  /* セクション上部 35% に限定（見出し領域だけ） */
    aspect-ratio: auto;
    opacity: 0.18;
    filter: blur(2px) saturate(0.85);
    mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, #000 35%, transparent 100%);
    margin: 0;
    border-radius: 0;
    overflow: hidden;
    box-shadow: none;
  }
  .routes-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}
.routes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.route-card {
  background: #fff;
  padding: 40px 32px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line);
  transition: transform .2s, box-shadow .2s;
}
.route-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(15, 42, 79, 0.08);
}
.route-icon {
  width: 48px;
  height: 48px;
  background: var(--c-pale);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 20px;
}
.route-title {
  font-size: 19px;
  line-height: 1.5;
  margin-bottom: 12px;
}
.route-desc {
  font-size: 14px;
  color: var(--c-text-sub);
  line-height: 1.85;
  margin-bottom: 24px;
}

/* ---------- 差別化3軸 ---------- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 56px;
  margin-top: 64px;
}
.pillar-item {
  position: relative;
  padding-top: 56px;
}
.pillar-num {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--f-en);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.15em;
}
.pillar-num::after {
  content: "";
  display: block;
  width: 40px;
  height: 2px;
  background: var(--c-primary);
  margin-top: 12px;
}
.pillar-title {
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 16px;
}
.pillar-text {
  font-size: 15px;
  color: var(--c-text-sub);
  line-height: 1.95;
}

/* ---------- 講師ブランディング 追加 ---------- */
.lecturer-quote-lead {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-navy);
  margin-bottom: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  position: relative;
  padding-bottom: 8px;
}
.lecturer-quote-lead::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--c-accent);
  margin-top: 10px;
  border-radius: 2px;
}
.lecturer-img {
  background:
    var(--c-pale)
    linear-gradient(135deg, transparent 47%, var(--c-line) 47%, var(--c-line) 53%, transparent 53%) 0 0 / 14px 14px,
    linear-gradient(45deg, transparent 47%, var(--c-line) 47%, var(--c-line) 53%, transparent 53%) 0 0 / 14px 14px;
}

/* ---------- 対応試験一覧 ---------- */
.exams-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}
.exam-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color .2s;
}
.exam-card:hover {
  border-color: var(--c-primary);
}
.exam-cat {
  font-family: var(--f-en);
  font-size: 11px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.exam-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--c-navy);
  line-height: 1.4;
}
.exam-desc {
  font-size: 13px;
  color: var(--c-text-sub);
  line-height: 1.8;
  margin-top: 4px;
}
.exam-link {
  font-family: var(--f-en);
  font-size: 12px;
  font-weight: 500;
  color: var(--c-primary);
  letter-spacing: 0.1em;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--c-line);
}

/* Coming Soon 表示用（FE以外の試験カード） */
.exam-card-soon {
  cursor: default;
  opacity: 0.7;
}
.exam-card-soon:hover {
  border-color: var(--c-line);
  transform: none;
  box-shadow: none;
}
.exam-link-soon {
  color: var(--c-text-mute);
}

.exams-note {
  margin-top: 32px;
  font-size: 13px;
  color: var(--c-text-mute);
  text-align: center;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

/* ---------- 講師ブランディング ---------- */
.lecturer {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: center;
  margin-top: 56px;
}
.lecturer-img {
  background: var(--c-pale);
  aspect-ratio: 3/4;
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-en);
  color: var(--c-text-mute);
  font-size: 13px;
  letter-spacing: 0.1em;
}
.lecturer-meta {
  font-family: var(--f-en);
  font-size: 13px;
  color: var(--c-primary);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.lecturer-name {
  font-size: 32px;
  line-height: 1.4;
  margin-bottom: 8px;
}
.lecturer-name-en {
  font-family: var(--f-en);
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-mute);
  display: block;
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.lecturer-role {
  font-size: 14px;
  color: var(--c-text-sub);
  margin: 16px 0 32px;
}
.lecturer-quote {
  font-size: 19px;
  line-height: 1.85;
  color: var(--c-navy);
  font-weight: 500;
  padding: 24px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin: 32px 0;
  letter-spacing: 0.02em;
}
.lecturer-creds {
  font-size: 14px;
  line-height: 2;
  color: var(--c-text-sub);
}
.lecturer-creds li {
  position: relative;
  padding-left: 20px;
}
.lecturer-creds li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 1px;
  background: var(--c-primary);
}

/* ---------- 導入実績 ---------- */
.clients-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 48px;
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
}
.client-logo {
  font-family: var(--f-en);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text-mute);
  letter-spacing: 0.03em;
  text-align: center;
  padding: 32px 16px;
  border-right: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  display: flex;
  align-items: center;
  justify-content: center;
}
.client-logo:nth-child(4n) { border-right: none; }
.client-logo:nth-last-child(-n+4) { border-bottom: none; }
@media (max-width: 768px) {
  .clients-logos { grid-template-columns: repeat(2, 1fr); }
  .client-logo { font-size: 14px; padding: 24px 12px; border-right: 1px solid var(--c-line); }
  .client-logo:nth-child(2n) { border-right: none; }
  .client-logo:nth-child(4n) { border-right: 1px solid var(--c-line); }
  .client-logo:nth-child(4n) { border-right: none; }
  .client-logo:nth-last-child(-n+2) { border-bottom: none; }
}
.clients-note {
  margin-top: 24px;
  font-size: 13px;
  color: var(--c-text-mute);
  text-align: center;
  line-height: 1.9;
  letter-spacing: 0.02em;
}

/* ---------- 料金モデルケース ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
}
.price-card.featured {
  border-color: var(--c-primary);
  border-width: 2px;
  position: relative;
}
.price-card.featured::before {
  content: "人気";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.1em;
}
.price-cat {
  font-family: var(--f-en);
  font-size: 12px;
  font-weight: 600;
  color: var(--c-primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.price-title {
  font-size: 18px;
  line-height: 1.4;
  margin-bottom: 24px;
}
.price-amount {
  font-family: var(--f-en);
  font-size: 36px;
  font-weight: 800;
  color: var(--c-navy);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.price-amount small {
  font-size: 15px;
  font-weight: 500;
  color: var(--c-text-sub);
  margin-left: 4px;
}
.price-note {
  font-size: 13px;
  color: var(--c-text-mute);
  margin-top: 4px;
  margin-bottom: 32px;
}
.price-features {
  font-size: 14px;
  line-height: 2.1;
  color: var(--c-text-sub);
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  flex: 1;
}
.price-features li::before {
  content: "✓ ";
  color: var(--c-primary);
  font-weight: 700;
}

.pricing-note {
  margin-top: 40px;
  font-size: 13px;
  color: var(--c-text-mute);
  text-align: center;
  line-height: 1.95;
  letter-spacing: 0.02em;
}
.pricing-cta {
  text-align: center;
  margin-top: 32px;
}

/* ---------- SkillMate 抜粋 ---------- */
.skillmate-promo {
  background: var(--c-navy);
  color: #fff;
  border-radius: var(--r-md);
  padding: 64px;
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
}
.skillmate-promo .section-eyebrow {
  color: rgba(255,255,255,0.7);
}
.skillmate-promo h2 {
  color: #fff;
  font-size: 32px;
  line-height: 1.4;
  margin-bottom: 24px;
}
.skillmate-promo p {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  line-height: 1.95;
}
.skillmate-promo .btn-ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.4);
  margin-top: 16px;
}
.skillmate-promo .btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}
.skillmate-visual {
  aspect-ratio: 4/3;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-en);
  color: rgba(255,255,255,0.5);
  font-size: 13px;
  letter-spacing: 0.1em;
}

/* ---------- CTA 階段状 ---------- */
.cta-final {
  background: var(--c-pale);
  padding: var(--s-section) 0;
  text-align: center;
}
.cta-final h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 24px;
}
.cta-final p {
  font-size: 17px;
  color: var(--c-text-sub);
  max-width: 600px;
  margin: 0 auto 48px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-navy);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 32px;
  font-size: 14px;
}
.footer-inner {
  max-width: var(--w-content);
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1.5fr 2.5fr;
  gap: 64px;
}
.footer-brand .logo { color: #fff; }
.footer-brand .logo-en { color: rgba(255,255,255,0.5); }
.footer-tag {
  margin-top: 16px;
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255,255,255,0.5);
}
.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.footer-col-title {
  font-family: var(--f-en);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-nav ul li {
  margin-bottom: 10px;
}
.footer-nav a {
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}
.footer-nav a:hover { color: #fff; opacity: 1; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 64px;
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-sample {
  margin-top: 8px;
}
.footer-sample a { color: rgba(255,255,255,0.6); }

/* ---------- サンプル通知バナー ---------- */
.sample-notice {
  background: var(--c-navy);
  color: #fff;
  font-size: 13px;
  padding: 10px 16px;
  text-align: center;
  letter-spacing: 0.05em;
}
.sample-notice strong {
  background: rgba(255,255,255,0.15);
  padding: 2px 8px;
  border-radius: 3px;
  margin-right: 8px;
}

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 1024px) {
  :root {
    --s-section: 100px;
  }
  .hero { padding: 80px 0 60px; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { margin: 0 auto; max-width: 400px; }
  .routes-grid,
  .pillars-grid,
  .exams-grid,
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .lecturer { grid-template-columns: 1fr; gap: 40px; }
  .lecturer-img { max-width: 320px; margin: 0 auto; }
  .skillmate-promo { grid-template-columns: 1fr; padding: 48px 32px; }
}

@media (max-width: 768px) {
  :root {
    --s-section: 80px;
    --s-block: 32px;
  }
  body { font-size: 15px; }
  .container, .container-narrow { padding: 0 20px; }
  .hero { padding: 56px 0 40px; }
  .hero-inner { padding: 0 20px; gap: 32px; }
  .hero-visual { max-width: 320px; }
  .header-inner { padding: 12px 20px; position: relative; }
  .g-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-line);
    box-shadow: 0 8px 24px rgba(15, 42, 79, 0.06);
    padding: 12px 20px 16px;
  }
  .g-nav.is-open {
    display: flex;
  }
  .g-nav a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--c-line);
    font-size: 15px;
  }
  .g-nav a:last-child { border-bottom: none; }
  .header-cta { display: none; }
  .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
  }
  .hamburger span {
    display: block;
    width: 20px;
    height: 1.5px;
    background: var(--c-navy);
    transition: transform .2s, opacity .2s;
  }
  .hamburger[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .hamburger[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  .hamburger[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }
  .hero { padding: 60px 0 80px; }
  .hero-inner { padding: 0 20px; }
  .routes-grid,
  .pillars-grid,
  .exams-grid,
  .pricing-grid { grid-template-columns: 1fr; }
  .clients-logos { gap: 32px; padding: 32px 24px; }
  .client-logo { font-size: 16px; }
  .skillmate-promo { padding: 40px 24px; }
  .skillmate-promo h2 { font-size: 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); }
  .btn { padding: 14px 24px; font-size: 14px; }
  .kpi-card { padding: 20px 24px; }
  .kpi-num { font-size: 36px; }
}

/* =========================================================
   Reveal Animation（軽量・上品）
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .12s; }
.reveal-delay-2 { transition-delay: .24s; }
.reveal-delay-3 { transition-delay: .36s; }