/* ==========================================================================
   KUREBA DX Marketing LP Stylesheet (Enhanced ROI & LINE Edition)
   ========================================================================== */

:root {
  --primary-color: #0b1f44;
  --primary-light: #1e40af;
  --accent-color: #10b981;
  --accent-hover: #059669;
  --gold-accent: #f59e0b;
  --line-color: #06c755;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body.lp-dx-body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', sans-serif !important;
  color: var(--text-main) !important;
  background-color: var(--bg-light) !important;
  line-height: 1.75 !important;
  -webkit-font-smoothing: antialiased;
}

.lp-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.lp-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  padding: 14px 0;
}

.lp-header .lp-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.lp-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lp-logo span {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-muted);
}

.header-cta-btn {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  color: #fff !important;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 9999px;
  text-decoration: none;
  font-size: 0.85rem;
  box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
  transition: all 0.2s ease;
}

.header-cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(16, 185, 129, 0.4);
}

/* Hero Section */
.lp-hero {
  background: linear-gradient(135deg, #07152e 0%, #0f2b5c 50%, #1e3a8a 100%);
  color: #ffffff;
  padding: 90px 0 110px;
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fde047;
  padding: 6px 16px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.6rem;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.hero-title .marker {
  background: linear-gradient(transparent 65%, rgba(16, 185, 129, 0.55) 65%);
}

.hero-subtitle {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 38px;
  max-width: 780px;
  line-height: 1.8;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #ffffff !important;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 16px 36px;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.4);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(16, 185, 129, 0.5);
}

.btn-line {
  background: var(--line-color);
  color: #ffffff !important;
  font-size: 1.15rem;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 9999px;
  text-decoration: none;
  box-shadow: 0 10px 20px rgba(6, 199, 85, 0.35);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(6, 199, 85, 0.45);
}

.hero-features {
  margin-top: 40px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-feat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #94a3b8;
}

.hero-feat-item svg {
  color: var(--accent-color);
}

/* Sections */
.lp-section {
  padding: 85px 0;
}

.bg-white {
  background-color: #ffffff;
}

.bg-dark {
  background: linear-gradient(135deg, #091936 0%, #173b75 100%);
  color: #ffffff;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  color: var(--accent-color);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: 2.1rem;
  color: var(--primary-color);
  font-weight: 800;
  line-height: 1.35;
}

.bg-dark .section-title {
  color: #ffffff;
}

.section-desc {
  color: var(--text-muted);
  margin-top: 12px;
  font-size: 1rem;
}

.bg-dark .section-desc {
  color: #cbd5e1;
}

/* ROI & Value Proof Section */
.roi-highlight-banner {
  background: linear-gradient(135deg, #ecfdf5 0%, #eff6ff 100%);
  border: 2px solid #a7f3d0;
  border-radius: 16px;
  padding: 36px;
  margin-bottom: 40px;
  text-align: center;
}

.roi-highlight-banner h3 {
  font-size: 1.55rem;
  color: #065f46;
  font-weight: 800;
  margin-bottom: 12px;
}

.roi-highlight-banner p {
  font-size: 1.05rem;
  color: #1e293b;
  line-height: 1.8;
}

.roi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.roi-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--accent-color);
  text-align: left;
}

.roi-card-tag {
  display: inline-block;
  background: #f1f5f9;
  color: var(--primary-color);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
}

.roi-card h4 {
  font-size: 1.15rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 8px;
}

.roi-card .pay-condition {
  font-size: 1.1rem;
  font-weight: 800;
  color: #059669;
  margin: 10px 0;
  background: #f0fdf4;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px dashed #6ee7b7;
}

.roi-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* LINE Feature Showcase */
.line-feature-box {
  background: #ffffff;
  border: 1px solid #bbf7d0;
  border-radius: 16px;
  padding: 36px;
  box-shadow: var(--shadow-md);
  margin-bottom: 30px;
}

.line-badge {
  background: #06c755;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 12px;
}

.line-feature-box h3 {
  font-size: 1.4rem;
  color: var(--primary-color);
  margin-bottom: 12px;
  font-weight: 800;
}

/* Service Scope 4 Pillars */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.pillar-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 28px;
  position: relative;
  transition: all 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-color);
}

.pillar-num {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent-color);
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.pillar-card h3 {
  font-size: 1.15rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 10px;
}

.pillar-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Problems Grid */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.problem-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
}

.problem-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.problem-card h3 {
  font-size: 1.1rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* Pricing Cards */
.price-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  align-items: stretch;
}

.price-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.price-card.popular {
  border: 2px solid var(--accent-color);
  box-shadow: var(--shadow-xl);
  transform: scale(1.02);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 9999px;
}

.price-card-title {
  font-size: 1.25rem;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 6px;
}

.price-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  min-height: 40px;
}

.price-amount {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary-color);
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
}

.price-amount span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.price-list {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.price-list li {
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.price-list li::before {
  content: '✓';
  color: var(--accent-color);
  font-weight: 700;
}

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

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 16px;
  padding: 20px 24px;
}

.faq-q {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary-color);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-q span {
  color: var(--accent-color);
  font-size: 1.2rem;
}

.faq-a {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: 26px;
}

/* Bottom CTA */
.lp-cta-section {
  background: linear-gradient(135deg, #07152e 0%, #0f2b5c 100%);
  color: #ffffff;
  padding: 80px 0;
  text-align: center;
}

.lp-cta-section h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: #ffffff;
}

.lp-cta-section p {
  color: #cbd5e1;
  font-size: 1.05rem;
  margin-bottom: 36px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Floating Mobile CTA */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-color);
  padding: 12px 16px;
  display: flex;
  justify-content: center;
  gap: 12px;
  z-index: 999;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 1.8rem;
  }
  .section-title {
    font-size: 1.5rem;
  }
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-primary, .btn-line {
    width: 100%;
    justify-content: center;
  }
  .price-card.popular {
    transform: none;
  }
}