/* Luxury Diamond Appraisal LP Theme (Gold & Deep Navy) */
:root {
  --primary: #C5A880;
  --primary-dark: #A88656;
  --primary-light: #FBF8F3;
  --navy: #0F172A;
  --accent: #E65100;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --bg-light: #F8FAFC;
  --white: #FFFFFF;
  --card-border: #E2E8F0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.15);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* PR表記バー（A8・景表法準拠） */
.pr-disclosure-bar {
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  padding: 6px 16px;
  font-size: 11px;
  color: #64748b;
  text-align: center;
}

.announcement-bar {
  background: linear-gradient(90deg, #0F172A, #1E293B);
  color: #F8FAFC;
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
}
.announcement-bar span {
  background: #C5A880;
  color: #0F172A;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  font-weight: 700;
  font-size: 12px;
}

header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--card-border);
  z-index: 100;
}
.nav-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo-badge {
  font-size: 11px;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(180deg, #D4AF37 0%, #AA820A 100%);
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  padding: 16px 36px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(212, 175, 55, 0.35);
  transition: all 0.2s ease;
  text-align: center;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.45);
}

.hero {
  padding: 50px 20px 60px;
  background: radial-gradient(circle at 10% 20%, rgba(251, 248, 243, 0.9) 0%, rgba(255, 255, 255, 1) 90%);
}
.hero-container {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero-tag {
  display: inline-block;
  background: #FFF8E1;
  color: #B78103;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  border: 1px solid #FFE082;
}
.hero h1 {
  font-size: 34px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--navy);
  margin-bottom: 16px;
}
.highlight-text {
  color: #B78103;
  background: linear-gradient(transparent 65%, #FFF3E0 65%);
}
.hero-desc {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.cta-group {
  margin-bottom: 24px;
}
.cta-subtext {
  margin-top: 10px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-image-wrapper img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

.trust-bar {
  background: #0F172A;
  color: #F8FAFC;
  padding: 24px 20px;
}
.trust-container {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stat-item h3 {
  font-size: 26px;
  font-weight: 800;
  color: #D4AF37;
  margin-bottom: 4px;
}
.stat-item p {
  font-size: 13px;
  color: #E2E8F0;
  font-weight: 600;
}

.section-title {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}
.section-subtitle {
  text-align: center;
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 40px;
}

/* Feature 3 Points */
.features-section {
  padding: 70px 20px;
  max-width: 1120px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--white);
  padding: 32px 26px;
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--card-border);
  transition: all 0.2s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feature-icon {
  font-size: 36px;
  margin-bottom: 14px;
}
.feature-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
}

/* 3 Steps Section */
.steps-section {
  background: var(--bg-light);
  padding: 70px 20px;
}
.steps-container {
  max-width: 1000px;
  margin: 0 auto;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step-box {
  background: var(--white);
  padding: 28px 24px;
  border-radius: 14px;
  border-top: 4px solid #D4AF37;
  box-shadow: var(--shadow-sm);
}
.step-num {
  font-size: 13px;
  font-weight: 800;
  color: #AA820A;
  margin-bottom: 8px;
}
.step-box h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.step-box p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Bottom CTA */
.bottom-cta {
  padding: 70px 20px;
  text-align: center;
  background: linear-gradient(180deg, #FFFFFF 0%, #FFF8E1 100%);
}
.bottom-cta h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 12px;
}
.bottom-cta p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 30px;
}

footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 30px 20px;
  text-align: center;
  font-size: 12px;
}

@media (max-width: 768px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 26px; }
  .trust-container { grid-template-columns: 1fr 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-subtext { justify-content: center; }
}

/* FV Enhancement Components */
.hero-price-box {
  background: #FFFDF9;
  border: 1px solid #EAD8B5;
  border-radius: 12px;
  padding: 14px 18px;
  margin: 18px 0;
}
.hero-price-title {
  font-size: 13px;
  font-weight: 700;
  color: #AA820A;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.hero-price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.hero-price-item {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 8px;
  padding: 8px 6px;
  text-align: center;
}
.hero-price-item .carat {
  font-size: 12px;
  font-weight: 700;
  color: #64748B;
  display: block;
}
.hero-price-item .price {
  font-size: 15px;
  font-weight: 800;
  color: #B45309;
}
.hero-scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.hero-scope-tag {
  background: #EFF6FF;
  color: #1E40AF;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
}
.hero-zero-fee-bar {
  display: flex;
  justify-content: space-between;
  background: #0F172A;
  color: #F8FAFC;
  border-radius: 8px;
  padding: 8px 14px;
  margin-top: 12px;
  font-size: 12px;
  font-weight: 700;
}
.hero-zero-fee-bar span {
  color: #FDE047;
}