/* ============================================================
   FUKUOKA-LED — 暗黒の舞台美学 (Dark Stage Aesthetics)
   Color: Deep Navy #0A0E1A | Electric Blue #00D4FF | Amber Gold #FFB800
   Font: Noto Serif JP (見出し) + Noto Sans JP (本文) + Bebas Neue (数字)
   ============================================================ */

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

:root {
  --bg:         #0A0E1A;
  --bg2:        #0D1220;
  --bg3:        #141824;
  --border:     rgba(255,255,255,0.08);
  --primary:    #00D4FF;
  --primary-dk: #0099BB;
  --gold:       #FFB800;
  --text:       #E8EAF0;
  --text-muted: #7A8499;
  --radius:     12px;
  --shadow:     0 8px 32px rgba(0,212,255,0.08);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ── タイポグラフィ ──────────────────────────────────────────── */
.font-serif { font-family: 'Noto Serif JP', serif; }
.font-display { font-family: 'Bebas Neue', sans-serif; letter-spacing: 0.05em; }

h1,h2,h3,h4 { font-family: 'Noto Serif JP', serif; line-height: 1.3; }

/* ── レイアウト ──────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

@media (min-width: 640px)  { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 48px; } }

/* ── ユーティリティ ──────────────────────────────────────────── */
.glass {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.gradient-blue {
  background: linear-gradient(135deg, var(--primary), #0066ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-gold {
  background: linear-gradient(135deg, var(--gold), #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--text);
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-muted);
  max-width: 560px;
  font-size: 14px;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

/* ── ボタン ──────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #000;
  box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 0 30px rgba(0,212,255,0.5); }

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-gold {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}
.btn-gold:hover { background: rgba(255,184,0,0.1); }

/* ── ナビゲーション ──────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.3s, border-color 0.3s;
}

#navbar.scrolled {
  background: rgba(10,14,26,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

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

.nav-logo-icon {
  width: 34px; height: 34px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  color: #000;
  font-weight: bold;
}

.nav-logo-text { line-height: 1.2; }
.nav-logo-text .main { font-family: 'Bebas Neue', sans-serif; font-size: 18px; letter-spacing: 0.1em; color: var(--text); }
.nav-logo-text .sub  { font-size: 10px; color: var(--text-muted); letter-spacing: 0.15em; }

.nav-links {
  display: none;
  list-style: none;
  gap: 28px;
}
@media (min-width: 1024px) { .nav-links { display: flex; } }

.nav-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--primary);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 12px; }

.lang-switcher {
  position: relative;
}
.lang-btn {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--text-muted);
  background: none; border: none; cursor: pointer;
  padding: 6px 8px; border-radius: 6px;
  transition: color 0.2s;
}
.lang-btn:hover { color: var(--text); }
.lang-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px); right: 0;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-width: 110px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.lang-dropdown.open { display: block; }
.lang-dropdown button {
  display: block; width: 100%;
  padding: 10px 16px;
  background: none; border: none;
  color: var(--text-muted); font-size: 13px;
  text-align: left; cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.lang-dropdown button:hover,
.lang-dropdown button.active { background: rgba(0,212,255,0.1); color: var(--primary); }

.hamburger {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text-muted); border-radius: 2px;
  transition: all 0.3s;
}
@media (min-width: 1024px) { .hamburger { display: none; } }

.mobile-menu {
  display: none;
  background: rgba(10,14,26,0.98);
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 12px 24px;
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--primary); }
.mobile-menu .btn-primary { margin: 12px 24px 4px; display: block; text-align: center; }

/* ── ヒーロー ────────────────────────────────────────────────── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: kenburns 20s ease-in-out infinite alternate;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, rgba(10,14,26,0.92) 40%, rgba(10,14,26,0.55) 100%);
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  padding: 120px 0 80px;
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid rgba(0,212,255,0.3);
  background: rgba(0,212,255,0.08);
  font-size: 12px;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 48px; }

.hero-specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 480px;
}
@media (max-width: 480px) { .hero-specs { grid-template-columns: repeat(2, 1fr); } }

.spec-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.spec-card .val {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 22px;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}
.spec-card .lbl { font-size: 10px; color: var(--text-muted); }

.scroll-indicator {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--text-muted); font-size: 11px;
  animation: bounce 2s infinite;
}
.scroll-indicator svg { width: 18px; height: 18px; }

/* ── 統計バー ────────────────────────────────────────────────── */
#stats-bar {
  background: var(--bg3);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}
@media (min-width: 640px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }

.stat-item .num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.8rem;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-item .lbl { font-size: 12px; color: var(--text-muted); }

/* ── セクション共通 ──────────────────────────────────────────── */
.section { padding: 80px 0; }
@media (min-width: 768px) { .section { padding: 100px 0; } }

.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-sub { margin: 0 auto; }

/* ── 特徴 ────────────────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px)  { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.3);
  box-shadow: var(--shadow);
}
.feature-icon {
  width: 48px; height: 48px;
  background: rgba(0,212,255,0.12);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
  font-size: 22px;
  transition: background 0.3s;
}
.feature-card:hover .feature-icon { background: rgba(0,212,255,0.22); }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.feature-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* ── 料金プラン ──────────────────────────────────────────────── */
#pricing { background: var(--bg2); }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px)  { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1280px) { .pricing-grid { grid-template-columns: repeat(4, 1fr); } }

.plan-card {
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  border: 2px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: transform 0.3s;
}
.plan-card:hover { transform: translateY(-4px); }
.plan-card.popular {
  border-color: var(--primary);
  background: rgba(0,212,255,0.04);
  box-shadow: 0 0 40px rgba(0,212,255,0.1);
}
.plan-card.gold-border { border-color: rgba(255,184,0,0.4); }

.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.plan-name  { font-size: 18px; font-weight: 800; margin-bottom: 4px; }
.plan-size  { font-size: 12px; color: var(--primary); margin-bottom: 4px; font-weight: 600; }
.plan-desc  { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }
.plan-price { font-family: 'Bebas Neue', sans-serif; font-size: 2.4rem; line-height: 1; margin-bottom: 4px; }
.plan-unit  { font-size: 11px; color: var(--text-muted); margin-bottom: 20px; }

.plan-features { list-style: none; margin-bottom: 24px; flex: 1; }
.plan-features li {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text-muted);
  padding: 5px 0;
}
.plan-features li::before { content: '✓'; color: var(--primary); font-weight: bold; flex-shrink: 0; }

.plan-includes-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.pricing-note { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 16px; }
.pricing-custom { text-align: center; margin-top: 32px; }
.pricing-custom p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }

/* ── 導入事例 ────────────────────────────────────────────────── */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px)  { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .cases-grid { grid-template-columns: repeat(3, 1fr); } }

.case-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  transition: transform 0.3s;
}
.case-card:hover { transform: translateY(-4px); }

.case-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.case-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.case-card:hover .case-img img { transform: scale(1.05); }
.case-img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,0.8), transparent);
}
.case-tag {
  position: absolute;
  bottom: 12px; left: 12px;
  background: rgba(0,212,255,0.8);
  color: #000;
  font-size: 11px; font-weight: 700;
  padding: 3px 10px;
  border-radius: 4px;
}

.case-body { padding: 18px; }
.case-size { font-size: 11px; color: var(--primary); font-weight: 600; margin-bottom: 6px; }
.case-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.case-desc { font-size: 12px; color: var(--text-muted); line-height: 1.6;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ── FAQ ─────────────────────────────────────────────────────── */
#faq { background: var(--bg2); }

.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  margin-bottom: 10px;
  overflow: hidden;
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: none;
  border: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  transition: background 0.2s;
}
.faq-q:hover { background: rgba(0,212,255,0.05); }

.faq-icon {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 300;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-a {
  display: none;
  padding: 0 20px 18px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.faq-item.open .faq-a { display: block; }

/* ── ブログ ──────────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px)  { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .blog-grid { grid-template-columns: repeat(3, 1fr); } }

.blog-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  display: flex; flex-direction: column;
  transition: transform 0.3s;
}
.blog-card:hover { transform: translateY(-4px); }

.blog-img {
  aspect-ratio: 16/9;
  overflow: hidden;
}
.blog-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.blog-card:hover .blog-img img { transform: scale(1.05); }

.blog-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.blog-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.blog-tag {
  background: rgba(0,212,255,0.15);
  color: var(--primary);
  font-size: 11px; font-weight: 600;
  padding: 2px 8px; border-radius: 4px;
}
.blog-date { font-size: 11px; color: var(--text-muted); }
.blog-title {
  font-size: 14px; font-weight: 700;
  line-height: 1.5; margin-bottom: 8px;
  flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-more {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--primary); font-weight: 600;
  margin-top: 8px;
  transition: gap 0.2s;
}
.blog-card:hover .blog-more { gap: 8px; }

/* ── お問い合わせ ────────────────────────────────────────────── */
#contact { background: var(--bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 960px;
  margin: 0 auto;
}
@media (min-width: 1024px) { .contact-grid { grid-template-columns: 2fr 3fr; } }

.contact-info-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 28px;
}
.contact-info-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 20px; }

.contact-method {
  display: flex; align-items: center; gap: 14px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
  transition: border-color 0.2s, background 0.2s;
  text-decoration: none;
  color: var(--text);
}
.contact-method:hover { border-color: var(--primary); background: rgba(0,212,255,0.05); }
.contact-method.line-method:hover { border-color: #06c755; background: rgba(6,199,85,0.05); }

.contact-method-icon {
  width: 42px; height: 42px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-method-icon.blue { background: rgba(0,212,255,0.15); }
.contact-method-icon.green { background: rgba(6,199,85,0.15); }

.contact-method-info .label { font-size: 11px; color: var(--text-muted); margin-bottom: 2px; }
.contact-method-info .value { font-size: 15px; font-weight: 700; }

.company-info { margin-top: 20px; font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.company-info strong { color: var(--text); display: block; margin-bottom: 6px; font-size: 14px; }

/* フォーム */
.contact-form-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 28px;
}

.form-row { display: grid; grid-template-columns: 1fr; gap: 16px; margin-bottom: 16px; }
@media (min-width: 480px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-group { margin-bottom: 0; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.form-label .req { color: #ff6b6b; margin-left: 2px; }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  font-family: 'Noto Sans JP', sans-serif;
  transition: border-color 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
}
.form-select option { background: var(--bg3); }
.form-textarea { resize: vertical; min-height: 100px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #000;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity 0.2s, transform 0.2s;
  margin-top: 8px;
}
.form-submit:hover { opacity: 0.9; transform: translateY(-1px); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success.show { display: block; }
.form-success .icon { font-size: 48px; margin-bottom: 16px; }
.form-success h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-muted); }

.form-error {
  display: none;
  background: rgba(255,107,107,0.1);
  border: 1px solid rgba(255,107,107,0.3);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  color: #ff6b6b;
  margin-bottom: 16px;
}
.form-error.show { display: block; }

/* ── フッター ────────────────────────────────────────────────── */
footer {
  background: #070a12;
  border-top: 1px solid var(--border);
  padding: 56px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (min-width: 640px)  { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }

.footer-brand p { font-size: 13px; color: var(--text-muted); margin: 12px 0 16px; line-height: 1.7; }
.footer-contact-item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text-muted);
  margin-bottom: 8px;
}
.footer-contact-item span:first-child { color: var(--primary); flex-shrink: 0; }
.footer-contact-item a { color: var(--text-muted); transition: color 0.2s; }
.footer-contact-item a:hover { color: var(--primary); }

.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { font-size: 13px; color: var(--text-muted); transition: color 0.2s; }
.footer-col a:hover { color: var(--primary); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}
@media (min-width: 640px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}

/* ── アニメーション ──────────────────────────────────────────── */
@keyframes kenburns {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}
@keyframes pulse {
  0%,100% { opacity: 1; }
  50%      { opacity: 0.4; }
}
@keyframes bounce {
  0%,100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(8px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── ブログ記事ページ ────────────────────────────────────────── */
.article-hero {
  position: relative;
  height: 360px;
  overflow: hidden;
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }
.article-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,14,26,0.9) 30%, rgba(10,14,26,0.4));
}
.article-hero-content {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.article-body {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 20px;
}

.article-body h2 {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  color: var(--text);
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}
.article-body p {
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 16px;
}
.article-body ul {
  list-style: none;
  margin: 16px 0;
}
.article-body ul li {
  display: flex; align-items: flex-start; gap: 8px;
  color: var(--text-muted);
  font-size: 14px;
  padding: 5px 0;
}
.article-body ul li::before { content: '▸'; color: var(--primary); flex-shrink: 0; }

.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 13px;
}
.article-table th {
  background: var(--bg3);
  color: var(--text);
  padding: 10px 14px;
  text-align: left;
  border: 1px solid var(--border);
  font-weight: 600;
}
.article-table td {
  padding: 10px 14px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.article-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

.article-cta {
  background: rgba(0,212,255,0.06);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  margin-top: 48px;
}
.article-cta h3 { font-size: 18px; margin-bottom: 8px; }
.article-cta p  { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }

/* ── レスポンシブ調整 ────────────────────────────────────────── */
@media (max-width: 640px) {
  .hero-title { font-size: 2rem; }
  .section { padding: 60px 0; }
  .plan-price { font-size: 2rem; }
}

/* ── スクロールバー ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,212,255,0.3); }