/* 相互リンクセクション - plateau-route-3d-v2 */
.section--cross-link {
  padding: 80px 24px;
  position: relative;
}

.section--cross-link .accent-blue-purple {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.section--cross-link .section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto 32px;
  max-width: 1024px;
}

.section--cross-link .sec-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  color: rgba(59, 130, 246, 0.7);
  letter-spacing: 0.08em;
}

.section--cross-link .sec-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: rgba(139, 92, 246, 0.6);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 8px;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 4px;
}

.cross-link-card {
  max-width: 1024px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 48px;
  background: rgba(7, 10, 15, 0.7);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 16px;
  backdrop-filter: blur(8px);
  box-shadow: 0 0 48px rgba(59, 130, 246, 0.12);
}

.cross-link-text h2 {
  font-size: clamp(24px, 3.5vw, 36px);
  line-height: 1.4;
  margin: 0 0 24px;
  color: #e5e7eb;
  font-family: 'Zen Kaku Gothic New', sans-serif;
}

.cross-link-text p {
  font-size: 16px;
  line-height: 1.7;
  color: #cbd5e1;
  margin: 0 0 32px;
}

.cta--cross-link {
  display: inline-block;
  padding: 14px 28px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  color: #fff;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: all 200ms ease;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
  letter-spacing: 0.02em;
}

.cta--cross-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
}

.cross-link-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.cross-link-visual svg {
  width: 100%;
  max-width: 240px;
  height: auto;
  filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.4));
}

@media (max-width: 768px) {
  .cross-link-card {
    grid-template-columns: 1fr;
    padding: 32px 24px;
    gap: 24px;
  }
  .cta--cross-link {
    width: 100%;
    text-align: center;
  }
}

/* ============ 3-way: 2-card grid (View + Route from Drone) ============ */
.cross-link-grid {
  max-width: 1024px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.cross-link-grid .cross-link-card {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  padding: 32px;
  text-decoration: none;
  color: inherit;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
  cursor: pointer;
}

.cross-link-grid .cross-link-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(59, 130, 246, 0.25);
  border-color: rgba(34, 211, 238, 0.5);
}

.cross-link-grid .cross-link-text .kicker {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(34, 211, 238, 0.85);
  margin-bottom: 12px;
}

.cross-link-grid .cross-link-text h3 {
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.35;
  margin: 0 0 12px;
  color: #e5e7eb;
  font-family: 'Zen Kaku Gothic New', sans-serif;
  font-weight: 700;
}

.cross-link-grid .cross-link-text p {
  font-size: 14px;
  line-height: 1.6;
  color: #cbd5e1;
  margin: 0 0 16px;
}

.cross-link-grid .cta--cross-link {
  font-size: 13px;
  padding: 10px 18px;
}

@media (max-width: 768px) {
  .cross-link-grid {
    grid-template-columns: 1fr;
  }
  .cross-link-grid .cross-link-card {
    grid-template-columns: 1fr;
  }
}