/* ==========================================================================
   合同会社KUREBA 法人向けIT研修 LP スタイルシート
   Modern, High-Converting, Accessible Design System
   ========================================================================== */

:root {
  /* Color Palette */
  --primary: #1e40af;         /* Deep Corporate Blue */
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-gradient: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #38bdf8 100%);
  --primary-glow: rgba(37, 99, 235, 0.25);

  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;  /* ROI & Success Green */
  --accent-emerald-light: #ecfdf5;
  --accent-orange: #f97316;   /* CTA Warm Highlight */
  --accent-orange-hover: #ea580c;
  --accent-purple: #8b5cf6;

  /* Neutral Shades */
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-dark-surface: #1e293b;
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --border-color: #e2e8f0;
  --border-focus: #3b82f6;

  /* Elevation / Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(37, 99, 235, 0.35);

  /* Layout & Spacing */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Plus Jakarta Sans', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Typography Utilities */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(37, 99, 235, 0.2);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.section-tag.light {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 56px auto;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.highlight-text {
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--primary);
  font-weight: 700;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-badge {
  background: var(--primary-gradient);
  color: #fff;
  font-weight: 900;
  font-size: 1.15rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-meta {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.2;
}

.brand-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  position: relative;
  padding: 6px 0;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-links a:hover::after {
  width: 100%;
}

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-tel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: #fff;
}

.btn-tel-header i {
  color: var(--primary);
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-cta-primary:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.45);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: 130px;
  padding-bottom: 90px;
  background: radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.12) 0%, transparent 50%),
              radial-gradient(circle at 10% 80%, rgba(37, 99, 235, 0.08) 0%, transparent 45%),
              #ffffff;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.pill-badge.green {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.25);
}

.hero-headline {
  font-size: 2.85rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.hero-headline .gradient-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 32px;
}

/* Key Metrics in Hero */
.hero-key-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 36px;
  background: var(--bg-main);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

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

.metric-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--primary);
  display: flex;
  align-items: baseline;
  gap: 2px;
}

.metric-unit {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-body);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
}

.btn-hero-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent-orange);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(249, 115, 22, 0.4);
  transition: var(--transition);
}

.btn-hero-main:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(249, 115, 22, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--text-dark);
  font-size: 1rem;
  font-weight: 700;
  padding: 15px 26px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.btn-hero-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.hero-trust-notes {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-trust-notes span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-trust-notes i {
  color: var(--accent-emerald);
}

/* Hero Visual Box */
.hero-visual-box {
  position: relative;
}

.visual-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 4px solid #ffffff;
}

.visual-image-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.visual-image-wrapper:hover img {
  transform: scale(1.03);
}

/* Floating Badges on Hero Image */
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatAnim 4s ease-in-out infinite;
}

.floating-card.card-top {
  top: -20px;
  right: -10px;
}

.floating-card.card-bottom {
  bottom: -20px;
  left: -15px;
  animation-delay: 2s;
}

.floating-icon-box {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.floating-icon-box.green {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
}

.floating-meta .f-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-dark);
}

.floating-meta .f-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
}

@keyframes floatAnim {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

/* Tool Logos Marquee */
.hero-tool-logos {
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
}

.tool-logos-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 16px;
  text-align: center;
}

.tool-icons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.tool-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  background: #ffffff;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.tool-badge-item i {
  font-size: 1.15rem;
}

.tool-badge-item.ai i { color: #8b5cf6; }
.tool-badge-item.google i { color: #ea4335; }
.tool-badge-item.slack i { color: #4a154b; }
.tool-badge-item.zoom i { color: #2d8cff; }
.tool-badge-item.line i { color: #06c755; }

/* ==========================================================================
   Pain Points Section (課題提起)
   ========================================================================== */
.pain-section {
  padding: 90px 0;
  background: #ffffff;
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.pain-card {
  background: var(--bg-main);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 1px solid var(--border-color);
  position: relative;
  transition: var(--transition);
}

.pain-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.pain-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: #fee2e2;
  color: #dc2626;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 20px;
}

.pain-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.pain-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Solution Banner */
.solution-bridge {
  background: var(--primary-gradient);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-xl);
}

.solution-bridge-text h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.solution-bridge-text p {
  font-size: 0.98rem;
  opacity: 0.9;
}

.solution-bridge-action a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: var(--primary);
  font-weight: 800;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.solution-bridge-action a:hover {
  transform: scale(1.05);
}

/* ==========================================================================
   Courses Section (3つの主要コース)
   ========================================================================== */
.courses-section {
  padding: 100px 0;
  background: var(--bg-main);
  position: relative;
}

.course-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 12px 26px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: #ffffff;
  color: var(--text-body);
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.course-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 48px;
}

.course-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.course-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(37, 99, 235, 0.4);
}

.course-card.featured {
  border: 2px solid var(--primary);
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.15);
}

.popular-ribbon {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--primary-gradient);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.4);
}

.course-card-header {
  padding: 32px 28px 20px 28px;
  border-bottom: 1px solid var(--border-color);
  background: linear-gradient(to bottom, #ffffff, var(--bg-main));
}

.course-number {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.course-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.35;
  margin-bottom: 12px;
  min-height: 56px;
}

.course-target-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.course-pricing-box {
  background: var(--primary-light);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.price-desc {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
}

.price-main {
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--primary);
}

.price-main span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-body);
}

.course-card-body {
  padding: 24px 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.course-lead-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 20px;
}

.curriculum-list {
  list-style: none;
  margin-bottom: 24px;
  flex-grow: 1;
}

.curriculum-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-dark);
  margin-bottom: 12px;
  line-height: 1.45;
}

.curriculum-item i {
  color: var(--accent-emerald);
  margin-top: 3px;
  font-size: 0.95rem;
}

.course-deliverables {
  background: var(--bg-main);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  border: 1px dashed var(--border-color);
}

.deliverables-label {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.deliverables-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-dark);
}

.course-card-footer {
  padding: 0 28px 28px 28px;
}

.btn-course-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 13px 0;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.95rem;
  background: var(--bg-dark);
  color: #fff;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-course-action:hover {
  background: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--primary-glow);
}

/* Custom Enterprise Course Banner */
.custom-course-banner {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px 36px;
  border: 1.5px dashed rgba(37, 99, 235, 0.4);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}

.custom-banner-info h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.custom-banner-info p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

.btn-custom-quote {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 800;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(37, 99, 235, 0.3);
  transition: var(--transition);
}

.btn-custom-quote:hover {
  background: var(--primary);
  color: #fff;
}

/* ==========================================================================
   KUREBA's Unique Advantages (独自の強み & PCレンタル連携)
   ========================================================================== */
.features-section {
  padding: 100px 0;
  background: #ffffff;
}

.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.feat-card {
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.feat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.feat-icon-box {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: var(--primary-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 24px;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.3);
}

.feat-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.feat-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.feat-highlight-point {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* PC Fleet Synergy Showcase */
.pc-fleet-showcase {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  color: #ffffff;
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: var(--shadow-xl);
}

.showcase-content h3 {
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
}

.showcase-content h3 span {
  color: var(--accent-cyan);
}

.showcase-content p {
  font-size: 0.98rem;
  color: #cbd5e1;
  line-height: 1.7;
  margin-bottom: 24px;
}

.showcase-features-list {
  list-style: none;
  margin-bottom: 32px;
}

.showcase-features-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #f1f5f9;
  margin-bottom: 10px;
}

.showcase-features-list i {
  color: var(--accent-cyan);
}

.pc-rental-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid var(--accent-cyan);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
}

.pc-rental-badge .price {
  font-size: 1.35rem;
  color: var(--accent-cyan);
}

.showcase-image-wrapper {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.showcase-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==========================================================================
   Interactive Cost & Subsidy Calculator (助成金・お見積りシミュレーター)
   ========================================================================== */
.calculator-section {
  padding: 100px 0;
  background: radial-gradient(circle at 20% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 60%),
              var(--bg-main);
}

.calc-wrapper-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
  padding: 48px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
}

.calc-input-area h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.calc-input-area .calc-sub {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

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

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.calc-label .value-badge {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

/* Custom Range Slider */
.range-slider-wrapper {
  position: relative;
  margin-bottom: 8px;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--border-color);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.range-marks {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Course Select Radio Buttons */
.calc-course-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.course-radio-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-main);
}

.course-radio-label:hover {
  border-color: var(--primary);
}

.course-radio-label.selected {
  background: var(--primary-light);
  border-color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.15);
}

.radio-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radio-circle {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  position: relative;
  transition: var(--transition);
}

.course-radio-label.selected .radio-circle {
  border-color: var(--primary);
}

.course-radio-label.selected .radio-circle::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.radio-course-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
}

.radio-course-price {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--primary);
}

/* Toggle Switch */
.toggle-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--accent-emerald-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.toggle-info .t-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #065f46;
  display: flex;
  align-items: center;
  gap: 6px;
}

.toggle-info .t-sub {
  font-size: 0.78rem;
  color: #047857;
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: .3s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--accent-emerald);
}

input:checked + .slider:before {
  transform: translateX(22px);
}

/* PC Rental Option Toggle */
.pc-rental-calc-toggle {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--bg-main);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.pc-rental-calc-toggle .t-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
}

/* Calculator Output Area (Receipt Style) */
.calc-output-area {
  background: var(--bg-dark);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.calc-output-area::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}

.output-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.output-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.output-breakdown {
  list-style: none;
  margin-bottom: 24px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 12px;
}

.breakdown-row.discount {
  color: var(--accent-emerald);
  font-weight: 700;
}

.breakdown-row .val {
  font-weight: 700;
  color: #ffffff;
}

.breakdown-row.discount .val {
  color: var(--accent-emerald);
}

.output-total-box {
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: 24px;
}

.total-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #cbd5e1;
  margin-bottom: 4px;
}

.total-amount {
  font-size: 2.2rem;
  font-weight: 900;
  color: #ffffff;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.total-amount .yen {
  font-size: 1.1rem;
  font-weight: 700;
}

.per-person-text {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-top: 4px;
}

.btn-calc-apply {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--accent-orange);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  padding: 14px 0;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-calc-apply:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-2px);
}

/* ==========================================================================
   Comparison Section (大手 vs KUREBA)
   ========================================================================== */
.comparison-section {
  padding: 100px 0;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table-wrapper {
  max-width: 960px;
  margin: 0 auto;
  overflow-x: auto;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.92rem;
  vertical-align: middle;
}

.comparison-table thead th {
  background: var(--bg-dark);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 22px 24px;
}

.comparison-table thead th.col-kureba {
  background: var(--primary);
  color: #ffffff;
  position: relative;
  width: 42%;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.comparison-table thead th.col-criteria {
  width: 25%;
}

.comparison-table thead th.col-others {
  width: 33%;
  color: #94a3b8;
}

.kureba-highlight-badge {
  display: inline-block;
  background: var(--accent-orange);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-right: 6px;
  vertical-align: middle;
}

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

.comparison-table tbody tr:hover {
  background: var(--bg-main);
}

.comparison-table .row-label {
  font-weight: 800;
  color: var(--text-dark);
}

.comparison-table .cell-kureba {
  background: rgba(37, 99, 235, 0.04);
  color: var(--text-dark);
  border-left: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}

.comparison-table tbody tr:last-child .cell-kureba {
  border-bottom: 2px solid var(--primary);
}

.comparison-table .cell-others {
  color: var(--text-muted);
}

.sub-pill {
  display: inline-block;
  background: var(--accent-emerald-light);
  color: #065f46;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: 4px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   Regional Target Showcase (静岡ローカル対応)
   ========================================================================== */
.regional-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg-main) 0%, #ffffff 100%);
}

.regional-box {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  align-items: center;
}

.regional-info h3 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.35;
  margin-bottom: 12px;
}

.regional-info p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}

.regional-badges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.area-badge-chip {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.area-badge-chip.online {
  background: var(--accent-emerald-light);
  color: var(--accent-emerald);
  border-color: rgba(16, 185, 129, 0.3);
}

.regional-feature-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.reg-card {
  background: var(--bg-main);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.reg-card .reg-icon {
  font-size: 1.35rem;
  color: var(--primary);
  margin-bottom: 8px;
}

.reg-card h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.reg-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Case Studies / Testimonials (導入効果・事例)
   ========================================================================== */
.cases-section {
  padding: 100px 0;
  background: #ffffff;
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.case-card {
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(37, 99, 235, 0.3);
}

.case-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.case-industry {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.case-scale {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.case-heading {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 16px;
}

.case-metrics-card {
  background: #ffffff;
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  margin-bottom: 18px;
}

.metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.metric-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 700;
}

.metric-stat {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--accent-emerald);
}

.case-comment {
  font-size: 0.9rem;
  color: var(--text-body);
  line-height: 1.6;
  flex-grow: 1;
}

/* ==========================================================================
   Training Flow (受講の流れ)
   ========================================================================== */
.flow-section {
  padding: 100px 0;
  background: var(--bg-main);
}

.flow-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.flow-step-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 32px 22px;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: var(--transition);
}

.flow-step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.step-num {
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.step-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   FAQ Section (よくある質問)
   ========================================================================== */
.faq-section {
  padding: 100px 0;
  background: #ffffff;
}

.faq-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.faq-cat-btn {
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background: var(--bg-main);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

.faq-cat-btn.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  background: #ffffff;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.08);
}

.faq-question {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  gap: 16px;
  user-select: none;
}

.faq-question .q-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 900;
  flex-shrink: 0;
}

.faq-question .toggle-arrow {
  color: var(--text-muted);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-question .toggle-arrow {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: var(--bg-main);
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 350px;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  font-size: 0.94rem;
  color: var(--text-body);
  line-height: 1.7;
}

/* ==========================================================================
   Inquiry & Contact Form Section (お問い合わせ・お見積り依頼)
   ========================================================================== */
.contact-section {
  padding: 100px 0;
  background: radial-gradient(circle at 80% 10%, rgba(37, 99, 235, 0.08) 0%, transparent 50%),
              var(--bg-main);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 48px;
  align-items: start;
}

.contact-info-panel {
  background: var(--bg-dark);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: var(--shadow-xl);
}

.contact-info-panel h3 {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 16px;
}

.contact-info-panel .panel-lead {
  font-size: 0.95rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 32px;
}

.direct-channels {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 36px;
}

.direct-channel-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition);
}

.direct-channel-card:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateX(4px);
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: #ffffff;
}

.channel-icon.line {
  background: #06c755;
}

.channel-details .ch-label {
  font-size: 0.78rem;
  color: #94a3b8;
  font-weight: 700;
}

.channel-details .ch-value {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.company-quick-profile {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 24px;
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.6;
}

.company-quick-profile strong {
  color: #ffffff;
}

/* Contact Form Box */
.contact-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.form-label .req {
  background: #fee2e2;
  color: #ef4444;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.form-label .opt {
  background: var(--bg-card-subtle);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: #ffffff;
  color: var(--text-dark);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
}

.form-checkbox-row input {
  margin-top: 4px;
}

.form-checkbox-row label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.btn-form-submit {
  width: 100%;
  padding: 16px 0;
  border-radius: var(--radius-full);
  background: var(--accent-orange);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 800;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-form-submit:hover {
  background: var(--accent-orange-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(249, 115, 22, 0.45);
}

.form-feedback {
  margin-top: 18px;
  padding: 14px;
  border-radius: var(--radius-sm);
  display: none;
  font-size: 0.92rem;
  font-weight: 700;
}

.form-feedback.success {
  display: block;
  background: var(--accent-emerald-light);
  color: #065f46;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
  background: #090e1a;
  color: #94a3b8;
  padding: 70px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h4 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 20px;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #94a3b8;
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: #64748b;
}

/* ==========================================================================
   Sticky Conversion Bar (固定フッター導線)
   ========================================================================== */
.sticky-conversion-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 24px;
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.25);
}

.sticky-conversion-bar.visible {
  transform: translateY(0);
}

.sticky-bar-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.sticky-text {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sticky-text .st-badge {
  background: var(--accent-emerald);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.sticky-text .st-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
}

.sticky-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-sticky-line {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #06c755;
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 800;
  padding: 8px 18px;
  border-radius: var(--radius-full);
}

.btn-sticky-quote {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-orange);
  color: #ffffff;
  font-size: 0.88rem;
  font-weight: 800;
  padding: 8px 22px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Curriculum Modal (シラバス詳細モーダル)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 36px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-xl);
}

.modal-backdrop.active .modal-dialog {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--bg-main);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: #fee2e2;
  color: #dc2626;
}

.modal-header h3 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}

.modal-syllabus-content {
  margin-top: 20px;
}

.syllabus-session {
  background: var(--bg-main);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 14px;
  border: 1px solid var(--border-color);
}

.syllabus-session .time-tag {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.syllabus-session .session-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 6px;
}

.syllabus-session .session-body {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual-box {
    max-width: 600px;
    margin: 0 auto;
  }
  .course-cards-grid,
  .feature-cards-grid,
  .cases-grid,
  .pain-grid {
    grid-template-columns: 1fr;
  }
  .pc-fleet-showcase {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .calc-wrapper-card {
    grid-template-columns: 1fr;
    padding: 32px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .flow-timeline {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .btn-tel-header {
    display: none;
  }
  .btn-cta-primary {
    padding: 8px 14px;
    font-size: 0.85rem;
  }
  .brand-name {
    font-size: 0.95rem;
  }
  .brand-tagline {
    display: none;
  }
  .hero-headline {
    font-size: 2.1rem;
  }
  .hero-key-metrics {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .flow-timeline {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .sticky-text {
    display: none;
  }
  .sticky-actions {
    width: 100%;
    justify-content: space-between;
  }
  .btn-sticky-line, .btn-sticky-quote {
    flex: 1;
    justify-content: center;
  }
  .custom-course-banner {
    grid-template-columns: 1fr;
  }
}