/* ============================================
   AIX Innovation Lab — style.css
   青基調ライト × 部分ダークセクション
   ============================================ */

:root {
  /* ── 名刺ベースのブランドカラー ── */
  --navy:           #4B6791;  /* メイン青（名刺背景） */
  --navy-deep:      #2C3E5C;  /* 深い青（ダークセクション） */
  --navy-darker:    #1A2A45;  /* さらに深い青（フッター） */
  --blue-light:     #7BA6D9;  /* 明るい青アクセント */
  --blue-cyan:      #06B6D4;  /* シアン寄り（テック感） */
  --blue-grad-1:    #4B6791;
  --blue-grad-2:    #7BA6D9;
  --blue-glow:      rgba(123, 166, 217, 0.4);

  /* ── ベース ── */
  --bg-base:        #FAFBFC;
  --bg-white:       #FFFFFF;
  --bg-soft:        #F1F4F8;
  --bg-dark:        #0E1A2F;
  --bg-dark-card:   rgba(255, 255, 255, 0.04);
  --bg-dark-border: rgba(255, 255, 255, 0.08);

  /* ── テキスト ── */
  --text-main:      #1A2332;
  --text-muted:     #5A6B82;
  --text-light:     #8C9AAE;
  --text-on-dark:   #E2E8F0;
  --text-on-dark-muted: #94A3B8;

  /* ── ボーダー ── */
  --border:         #E2E8F0;
  --border-strong:  #CBD5E1;

  /* ── シャドウ ── */
  --shadow-sm:      0 1px 3px rgba(26, 35, 50, 0.06);
  --shadow:         0 4px 12px rgba(26, 35, 50, 0.08);
  --shadow-md:      0 8px 24px rgba(26, 35, 50, 0.10);
  --shadow-lg:      0 20px 50px rgba(26, 35, 50, 0.15);
  --shadow-glow:    0 0 40px rgba(75, 103, 145, 0.25);

  /* ── サイズ ── */
  --radius-sm:      6px;
  --radius:         12px;
  --radius-lg:      20px;
  --radius-pill:    9999px;
  --container:      1200px;
  --container-narrow: 800px;
  --header-h:       80px;

  /* ── フォント ── */
  --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
}

/* ============================================
   リセット & ベース
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--text-main);
  background: var(--bg-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--blue-light); }
ul { list-style: none; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.4; color: var(--text-main); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }
.container.narrow { max-width: var(--container-narrow); }

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: all 0.3s;
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  display: flex;
  align-items: center;
  height: 56px;
  transition: opacity 0.2s;
}
.site-logo:hover { opacity: 0.85; }
.site-logo img {
  height: 100%;
  width: auto;
  display: block;
}
@media (max-width: 720px) {
  .site-logo { height: 44px; }
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-nav a {
  display: inline-block;
  padding: 8px 14px;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.site-nav a:hover { background: var(--bg-soft); color: var(--navy); }
.site-nav a.is-active { color: var(--navy); font-weight: 700; }
.site-nav a.nav-cta {
  background: var(--navy);
  color: white;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  margin-left: 8px;
}
.site-nav a.nav-cta:hover { background: var(--navy-deep); color: white; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ============================================
   メインのオフセット
   ============================================ */
main { padding-top: var(--header-h); }

/* ============================================
   ヒーロー
   ============================================ */
.hero {
  position: relative;
  padding: 100px 0 120px;
  background: linear-gradient(135deg, #FFFFFF 0%, #EEF3FA 50%, #DCE7F5 100%);
  overflow: hidden;
  text-align: center;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(75, 103, 145, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 103, 145, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,1) 30%, transparent 80%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: rgba(75, 103, 145, 0.10);
  color: var(--navy);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  border-radius: var(--radius-pill);
  margin-bottom: 32px;
  border: 1px solid rgba(75, 103, 145, 0.15);
}
.hero-h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-h2 {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-main);
  font-weight: 500;
  max-width: 760px;
  margin: 0 auto 16px;
  line-height: 1.7;
}
.hero-h3 {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 720px;
  margin: 0 auto;
}
.stat {
  padding: 24px 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
}
.stat-value {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 6px;
}

/* ============================================
   ボタン
   ============================================ */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  transition: all 0.25s;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(75, 103, 145, 0.35);
}
.btn-primary:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(75, 103, 145, 0.45);
}
.btn-ghost {
  background: rgba(75, 103, 145, 0.08);
  color: var(--navy);
  border: 1px solid rgba(75, 103, 145, 0.2);
}
.btn-ghost:hover { background: rgba(75, 103, 145, 0.15); color: var(--navy-deep); }
.btn-ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.18); color: white; }
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline:hover { background: var(--navy); color: white; }
.btn-outline-dark {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid rgba(255, 255, 255, 0.3);
}
.btn-outline-dark:hover { background: rgba(255, 255, 255, 0.08); color: white; }
.btn-large { padding: 18px 44px; font-size: 1.05rem; }
.btn-full { display: block; width: 100%; }

/* ============================================
   セクション共通
   ============================================ */
.section { padding: 96px 0; }
.section-light { background: var(--bg-base); color: var(--text-main); }
.section-accent { background: linear-gradient(135deg, #EEF3FA 0%, #FFFFFF 100%); color: var(--text-main); }
.section-dark {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}
.section-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(75, 103, 145, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  pointer-events: none;
}
.section-dark > .container { position: relative; z-index: 1; }

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--navy);
  border: 1px solid rgba(75, 103, 145, 0.3);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  background: rgba(75, 103, 145, 0.05);
}
.section-label.dark {
  color: var(--blue-light);
  border-color: rgba(123, 166, 217, 0.35);
  background: rgba(123, 166, 217, 0.08);
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}
.section-title.dark { color: white; }
.section-desc {
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  font-size: 1rem;
}
.section-desc.dark { color: var(--text-on-dark-muted); }

/* ============================================
   Philosophy グリッド
   ============================================ */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.philosophy-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
  transition: all 0.3s;
}
.philosophy-card:hover {
  border-color: var(--navy);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.philosophy-icon { font-size: 2.2rem; margin-bottom: 12px; }
.philosophy-card h3 {
  font-size: 1.3rem;
  color: var(--navy);
  margin-bottom: 12px;
}

/* ============================================
   Pillars (4本柱)
   ============================================ */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.pillar-card {
  display: block;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  color: var(--text-main);
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--navy), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.pillar-card:hover {
  color: var(--text-main);
  border-color: var(--navy);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-icon { font-size: 2.4rem; margin-bottom: 12px; }
.pillar-title { font-size: 1.2rem; color: var(--navy); margin-bottom: 8px; }
.pillar-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}
.pillar-summary { font-size: 0.95rem; color: var(--text-main); line-height: 1.7; margin-bottom: 20px; }
.pillar-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.pillar-price { font-weight: 700; color: var(--navy); }
.pillar-arrow { font-size: 1.2rem; color: var(--navy); transition: transform 0.2s; }
.pillar-card:hover .pillar-arrow { transform: translateX(4px); }

/* ============================================
   Services 詳細ページ (4本柱詳細)
   ============================================ */
.pillar-nav {
  position: sticky;
  top: var(--header-h);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.pillar-nav ul {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
}
.pillar-nav a {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 16px;
  background: var(--bg-soft);
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-main);
}
.pillar-nav a:hover { background: var(--navy); color: white; }

.pillars-detail-stack > .pillar-detail:nth-child(odd) { background: var(--bg-base); }
.pillars-detail-stack > .pillar-detail:nth-child(even) { background: white; }

.pillar-detail { padding: 80px 0; scroll-margin-top: calc(var(--header-h) + 60px); }
.pillar-detail-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
}
.pillar-detail-icon {
  font-size: 4rem;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pillar-detail-title { font-size: 1.8rem; color: var(--navy-deep); margin: 8px 0; }
.pillar-detail-tagline { color: var(--text-muted); font-weight: 500; margin-bottom: 16px; }
.pillar-detail-summary { font-size: 1.05rem; line-height: 1.8; margin-bottom: 32px; }

.pillar-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-soft);
  border-radius: var(--radius);
}
.meta-item .meta-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.meta-item .meta-value { font-size: 0.95rem; color: var(--text-main); font-weight: 500; }

.pillar-deliverables { margin-bottom: 32px; }
.pillar-deliverables h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--navy);
  margin-bottom: 12px;
}
.pillar-deliverables ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.pillar-deliverables li {
  padding: 8px 12px 8px 32px;
  background: white;
  border-radius: var(--radius-sm);
  position: relative;
  font-size: 0.9rem;
  border: 1px solid var(--border);
}
.pillar-deliverables li::before {
  content: '✓';
  position: absolute;
  left: 12px;
  color: var(--navy);
  font-weight: bold;
}

/* ============================================
   Solutions (カタログ)
   ============================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.solution-card {
  display: block;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  color: var(--text-on-dark);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}
.solution-card:hover {
  background: rgba(123, 166, 217, 0.08);
  border-color: rgba(123, 166, 217, 0.4);
  color: var(--text-on-dark);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(123, 166, 217, 0.15);
}
.solution-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue-light);
  margin-bottom: 10px;
}
.solution-title {
  font-size: 1rem;
  color: white;
  margin-bottom: 8px;
  line-height: 1.5;
}
.solution-summary {
  font-size: 0.85rem;
  color: var(--text-on-dark-muted);
  margin-bottom: 14px;
  line-height: 1.6;
}
.solution-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 14px;
}
.tech-pill {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(123, 166, 217, 0.15);
  border: 1px solid rgba(123, 166, 217, 0.3);
  color: var(--blue-light);
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
}
.solution-price {
  font-size: 0.85rem;
  font-weight: 700;
  color: white;
  padding-top: 12px;
  border-top: 1px solid var(--bg-dark-border);
}
.solutions-cta { text-align: center; margin-top: 48px; }

/* ── Solutions 詳細カード ── */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 56px;
}
.filter-tab {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--bg-dark-border);
  color: var(--text-on-dark);
  font-family: inherit;
  font-size: 0.85rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s;
}
.filter-tab:hover { background: rgba(123, 166, 217, 0.1); border-color: rgba(123, 166, 217, 0.3); }
.filter-tab.is-active {
  background: var(--blue-light);
  border-color: var(--blue-light);
  color: var(--navy-darker);
  font-weight: 700;
}

.category-block { margin-bottom: 56px; }
.category-block.is-hidden { display: none; }
.category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.category-title {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}
.category-count {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(123, 166, 217, 0.15);
  color: var(--blue-light);
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
}
.category-desc { color: var(--text-on-dark-muted); font-size: 0.9rem; margin-bottom: 24px; }

.cat-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.cat-dot.large { width: 14px; height: 14px; }
.cat-intro      { background: #94A3B8; box-shadow: 0 0 8px #94A3B8; }
.cat-content    { background: #818CF8; box-shadow: 0 0 8px #818CF8; }
.cat-marketing  { background: #EC4899; box-shadow: 0 0 8px #EC4899; }
.cat-sns        { background: #06B6D4; box-shadow: 0 0 8px #06B6D4; }
.cat-efficiency { background: #F59E0B; box-shadow: 0 0 8px #F59E0B; }
.cat-research   { background: #8B5CF6; box-shadow: 0 0 8px #8B5CF6; }
.cat-backoffice { background: #10B981; box-shadow: 0 0 8px #10B981; }

.solutions-grid-detail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.solution-card-detail {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--bg-dark-border);
  border-radius: var(--radius);
  padding: 20px;
  transition: all 0.3s;
  scroll-margin-top: calc(var(--header-h) + 80px);
}
.solution-card-detail:hover {
  background: rgba(123, 166, 217, 0.06);
  border-color: rgba(123, 166, 217, 0.3);
  transform: translateY(-3px);
}
.solution-card-detail.is-coming { opacity: 0.55; }
.solution-card-detail.is-coming:hover { opacity: 0.8; }
.coming-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 2px 10px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-on-dark-muted);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
}
.solution-category-line {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 10px;
}
.solution-category-line .cat-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}
.solution-footer {
  padding-top: 14px;
  margin-top: 14px;
  border-top: 1px solid var(--bg-dark-border);
}
.solution-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}
.solution-btn {
  flex: 1;
  text-align: center;
  padding: 7px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-dark);
  border: 1px solid var(--bg-dark-border);
  transition: all 0.2s;
}
.solution-btn:hover { background: rgba(255, 255, 255, 0.12); color: white; }
.solution-btn.primary {
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-light) 100%);
  border-color: transparent;
  color: white;
}
.solution-btn.primary:hover { transform: translateY(-1px); box-shadow: 0 4px 12px var(--blue-glow); color: white; }

/* ============================================
   Bundles
   ============================================ */
.bundles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.bundle-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
  transition: all 0.3s;
}
.bundle-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.bundle-card.is-highlighted {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: white;
  border-color: var(--navy);
  box-shadow: 0 20px 60px rgba(75, 103, 145, 0.4);
  transform: scale(1.03);
}
.bundle-card.is-highlighted .bundle-title,
.bundle-card.is-highlighted .bundle-price { color: white; }
.bundle-card.is-highlighted .bundle-tagline,
.bundle-card.is-highlighted .bundle-desc { color: rgba(255, 255, 255, 0.85); }
.bundle-card.is-highlighted .bundle-original { color: rgba(255, 255, 255, 0.7); }
.bundle-card.is-highlighted .bundle-features li { color: rgba(255, 255, 255, 0.95); }

.bundle-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 18px;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-cyan) 100%);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
}
.bundle-title { font-size: 1.3rem; color: var(--navy); margin-bottom: 6px; }
.bundle-tagline { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 24px; }
.bundle-price-wrap { margin-bottom: 20px; }
.bundle-price {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--navy);
  line-height: 1;
}
.bundle-original {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.bundle-desc { font-size: 0.9rem; color: var(--text-main); margin-bottom: 24px; line-height: 1.7; }
.bundle-features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bundle-features li {
  font-size: 0.9rem;
  color: var(--text-main);
}
.bundles-note {
  text-align: center;
  margin-top: 32px;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.bundles-note.dark { color: var(--text-on-dark-muted); }
.bundles-note a { color: var(--navy); text-decoration: underline; }
.bundles-note.dark a { color: var(--blue-light); }

/* ============================================
   Works カード
   ============================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.work-card {
  display: flex;
  flex-direction: column;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: var(--text-main);
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}
.work-card:hover {
  transform: translateY(-6px);
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  color: var(--text-main);
}
.card-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.work-card:hover .card-thumb img { transform: scale(1.04); }
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.card-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 8px;
}
.card-title { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.5; }
.card-summary { font-size: 0.9rem; color: var(--text-muted); flex: 1; margin-bottom: 14px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-soft);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
}
.card-link { font-size: 0.85rem; color: var(--navy); font-weight: 700; }

/* ============================================
   Founder セクション
   ============================================ */
.founder-section {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 56px;
  align-items: center;
}
.founder-photo img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.founder-tagline {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--navy-deep);
  margin: 12px 0 16px;
  letter-spacing: -0.01em;
}
.founder-headline { font-size: 1.05rem; color: var(--navy); font-weight: 500; margin-bottom: 16px; }
.founder-body p { margin-bottom: 16px; }

/* ============================================
   About 補助
   ============================================ */
.profile-photo {
  max-width: 200px;
  margin: 24px auto 32px;
}
.profile-photo img { border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.target-list {
  background: var(--bg-soft);
  padding: 24px 32px;
  border-radius: var(--radius);
  list-style: none;
}
.target-list li { padding: 6px 0; }

.career-timeline { margin: 24px 0 40px; }
.career-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.career-item:last-child { border-bottom: none; }
.career-period { color: var(--text-muted); font-weight: 600; font-size: 0.9rem; }
.career-body h3 { font-size: 1.1rem; color: var(--navy); margin-bottom: 4px; }
.career-company { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 8px; }

.tools-grid { display: flex; flex-direction: column; gap: 16px; margin: 24px 0 40px; }
.tools-cat-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.tools-tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* ============================================
   Courses
   ============================================ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.course-card {
  display: block;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  color: var(--text-main);
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}
.course-card:hover {
  transform: translateY(-4px);
  border-color: var(--navy);
  box-shadow: var(--shadow-md);
  color: var(--text-main);
}
.course-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  margin: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.course-price { font-weight: 800; color: var(--navy); font-size: 1.05rem; }
.course-target { font-size: 0.8rem; color: var(--text-muted); }

/* ============================================
   Contact
   ============================================ */

/* メインCTA：フォーム+LINE 2カラム */
.contact-primary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 24px 0 56px;
}
.contact-primary-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: all 0.3s;
}
.contact-primary-card:hover {
  border-color: var(--navy);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.cpc-icon { font-size: 2.4rem; margin-bottom: 12px; }
.cpc-title {
  font-size: 1.2rem;
  color: var(--navy);
  margin-bottom: 12px;
  line-height: 1.5;
}
.cpc-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex: 1;
  line-height: 1.7;
}
.cpc-note {
  font-size: 0.8rem;
  color: #C2410C;
  background: #FEF3C7;
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 16px;
  border: 1px solid #FCD34D;
}
.line-qr-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.line-qr {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 6px;
  background: white;
}

/* 補助連絡先 */
.contact-secondary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 24px 0 32px;
}

.contact-channels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}
.contact-channel {
  display: block;
  text-align: center;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 16px;
  color: var(--text-main);
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}
.contact-channel:hover {
  border-color: var(--navy);
  transform: translateY(-3px);
  color: var(--text-main);
  box-shadow: var(--shadow-md);
}
.ch-icon { font-size: 1.8rem; margin-bottom: 8px; }
.ch-label { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 6px; }
.ch-value { font-size: 1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; word-break: break-all; }
.ch-note { font-size: 0.75rem; color: var(--text-light); }

.contact-template {
  background: var(--bg-soft);
  padding: 24px 32px;
  border-radius: var(--radius);
  margin: 16px 0 32px;
}
.contact-template ol { padding-left: 24px; margin-bottom: 20px; }
.contact-template li { padding: 4px 0; }
.contact-template ul { padding-left: 20px; margin-top: 6px; }

.pricing-table, .info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 32px;
}
.pricing-table th, .pricing-table td,
.info-table th, .info-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.pricing-table th, .info-table th {
  background: var(--bg-soft);
  color: var(--navy);
  font-weight: 700;
  width: 35%;
}
.pricing-table thead th { background: var(--navy); color: white; }

/* ============================================
   CTA セクション
   ============================================ */
.section-cta {
  background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy) 50%, var(--blue-light) 100%);
  color: white;
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}
.section-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(6, 182, 212, 0.2) 0%, transparent 40%),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}
.section-cta > .container { position: relative; }
.cta-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: white;
}
.cta-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Page Hero (下層共通)
   ============================================ */
.page-hero {
  background: linear-gradient(135deg, #FFFFFF 0%, #EEF3FA 100%);
  padding: 72px 0 48px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.page-hero-dark {
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--navy-deep) 100%);
  color: var(--text-on-dark);
  border-bottom: none;
}
.page-hero-dark .page-title { color: white; }
.page-hero-dark .page-lead { color: var(--text-on-dark-muted); }
.page-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin: 16px 0;
  letter-spacing: -0.01em;
}
.page-title.dark { color: white; }
.page-lead {
  max-width: 720px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1rem;
}
.page-lead.dark { color: var(--text-on-dark-muted); }
.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--navy);
  margin-bottom: 16px;
}

/* ============================================
   Detail (Work / Course)
   ============================================ */
.detail-hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 24px 0 32px;
  box-shadow: var(--shadow-md);
}
.detail-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.tag-list {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 16px;
}

.section-light h2 {
  font-size: 1.5rem;
  color: var(--navy-deep);
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--bg-soft);
}
.section-light h3 { font-size: 1.15rem; color: var(--navy); margin: 24px 0 12px; }
.section-light p, .section-light ul, .section-light ol { margin-bottom: 16px; }
.section-light ul, .section-light ol { padding-left: 24px; }
.section-light li { padding: 4px 0; }

.live-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 16px 0; }
.live-card { background: white; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all 0.3s; display: block; }
.live-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.live-card-image img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.live-card-label { padding: 16px; font-weight: 700; color: var(--navy); }

.media-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; margin: 16px 0; }
.video-embed { position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.pdf-card { display: block; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: all 0.3s; }
.pdf-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pdf-cover { position: relative; }
.pdf-cover img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.pdf-cover-overlay { position: absolute; inset: 0; background: rgba(75,103,145,0.7); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
.pdf-card:hover .pdf-cover-overlay { opacity: 1; }
.pdf-label { color: white; font-weight: 700; }

.dev-step { margin: 32px 0; padding: 24px; background: var(--bg-soft); border-radius: var(--radius); border-left: 4px solid var(--navy); }
.dev-step h3 { color: var(--navy-deep); margin: 0 0 12px; }
.step-images { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin-top: 16px; }
.step-figure { background: white; padding: 8px; border-radius: var(--radius-sm); }
.step-figure img { border-radius: var(--radius-sm); }
.step-figure figcaption { font-size: 0.8rem; color: var(--text-muted); padding: 8px 4px 0; }

/* ============================================
   フッター
   ============================================ */
.site-footer {
  background: var(--navy-darker);
  color: var(--text-on-dark);
  padding: 64px 0 0;
}
.footer-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 56px;
}
.footer-brand { max-width: 280px; }
.footer-logo { height: 48px; width: auto; margin-bottom: 16px; }
.footer-tagline { font-size: 0.85rem; color: var(--text-on-dark-muted); line-height: 1.7; }
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.footer-col h4 {
  font-size: 0.85rem;
  color: white;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { color: var(--text-on-dark-muted); font-size: 0.85rem; }
.footer-col a:hover { color: var(--blue-light); }
.footer-bottom {
  margin-top: 48px;
  padding: 20px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.78rem;
  color: var(--text-on-dark-muted);
  max-width: var(--container);
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 900px) {
  .philosophy-grid,
  .pillars-grid,
  .bundles-grid,
  .contact-channels,
  .contact-primary-grid,
  .contact-secondary-grid { grid-template-columns: 1fr; }

  .bundle-card.is-highlighted { transform: none; }

  .founder-section { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .founder-photo { max-width: 240px; margin: 0 auto; }

  .pillar-detail-inner { grid-template-columns: 1fr; gap: 16px; text-align: center; }
  .pillar-detail-icon { font-size: 3rem; }
  .pillar-meta-grid,
  .pillar-deliverables ul { grid-template-columns: 1fr; }

  .career-item { grid-template-columns: 1fr; gap: 4px; }

  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-brand { max-width: none; }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px) {
  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform 0.3s;
    box-shadow: var(--shadow-md);
  }
  .site-nav.is-open { transform: translateY(0); }
  .site-nav ul { flex-direction: column; padding: 16px; gap: 4px; }
  .site-nav a { display: block; padding: 14px 16px; }
  .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; }

  .nav-toggle { display: flex; }
  .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
  .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { padding: 60px 0 80px; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat { padding: 16px 8px; }

  .section { padding: 64px 0; }
  .pillar-detail { padding: 56px 0; }

  .footer-cols { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 1.7rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

/* ============================================
   スクロール出現アニメーション
   ============================================ */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.7s, transform 0.7s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================
   フローティング「↑ トップへ」ボタン
   ============================================ */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--blue-light) 100%);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(75, 103, 145, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, box-shadow 0.3s;
  z-index: 90;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  box-shadow: 0 12px 32px rgba(75, 103, 145, 0.55);
  transform: translateY(-2px);
}
.back-to-top:active { transform: translateY(0); }
.back-to-top span { display: inline-block; line-height: 1; }
@media (max-width: 480px) {
  .back-to-top { right: 16px; bottom: 16px; width: 46px; height: 46px; font-size: 1.2rem; }
}