/* ========================================
   コンテンツ詳細ページ 共通CSS
   ラボ共通 style.css + page-town.css の上に読み込み
   v1 - 2026.04
======================================== */

/* ===== Hero ===== */
.detail-hero {
  padding: 120px 2rem 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.detail-hero-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.detail-badge {
  display: inline-block;
  color: var(--white);
  padding: 4px 18px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.detail-badge--blue {
  background: var(--primary-blue);
  margin-bottom: 20px;
}
.detail-hero-title {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-dark);
  line-height: 1.4;
  margin-bottom: 12px;
}
.detail-hero-sub {
  font-size: 1rem;
  color: var(--text-gray);
  line-height: 1.8;
  margin-bottom: 28px;
}

/* ===== CTA Buttons ===== */
.detail-cta {
  display: inline-block;
  color: var(--white);
  border: none;
  padding: 16px 48px;
  border-radius: 999px;
  font-size: 1.1rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.detail-cta:hover {
  transform: translateY(-2px);
}
.detail-cta--hero {
  box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}
.detail-cta--blue {
  background: linear-gradient(135deg, var(--primary-blue), #00c6e6);
  box-shadow: 0 4px 20px rgba(0, 151, 211, 0.3);
}
.detail-cta-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--text-gray);
}

/* ===== Sections ===== */
.detail-section {
  padding: 60px 2rem;
}
.detail-section--alt {
  background: var(--bg-blue-light);
}
.detail-section--parents {
  border-top: 3px solid var(--primary-blue);
  padding: 60px 2rem 80px;
}
.detail-section-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* ===== Feature Cards ===== */
.detail-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.detail-feature-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  border: 2px solid #f0f0f0;
  transition: transform 0.2s, box-shadow 0.2s;
}
.detail-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.detail-feature-icon {
  font-size: 2.2rem;
  margin-bottom: 8px;
}
.detail-feature-card h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 8px;
}
.detail-feature-card p {
  font-size: 0.82rem;
  color: var(--text-gray);
  line-height: 1.8;
}

/* ===== Steps ===== */
.detail-steps {
  display: flex;
  flex-direction: row;
  gap: 24px;
  justify-content: center;
  margin-top: 8px;
}
.detail-step {
  flex: 1;
  text-align: center;
}
.detail-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}
.detail-step-body h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.detail-step-body p {
  font-size: 0.82rem;
  color: var(--text-gray);
  line-height: 1.7;
}

/* ===== Screenshot / Preview ===== */
.detail-screenshot {
  margin-top: 32px;
  text-align: center;
}
.detail-screenshot img {
  max-width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow-card);
}
.detail-screenshot-placeholder {
  margin-top: 32px;
  background: var(--white);
  border-radius: 16px;
  padding: 32px;
  border: 2px dashed #ddd;
  color: #aaa;
  font-size: 0.9rem;
  text-align: center;
}

/* ===== Parents Section ===== */
.detail-parents-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 20px;
}
.detail-parents-desc {
  font-size: 0.9rem;
  color: var(--text-gray);
  line-height: 2;
  margin-bottom: 32px;
  max-width: 640px;
}

/* Benefits Grid */
.detail-benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 36px;
}
.detail-benefit {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.detail-benefit-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  background: var(--bg-blue-light);
  padding: 8px;
  border-radius: 12px;
}
.detail-benefit h3 {
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.detail-benefit p {
  font-size: 0.82rem;
  color: var(--text-gray);
  line-height: 1.8;
}

/* Info Table */
.detail-info-table {
  background: var(--bg-blue-light);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 36px;
}
.detail-info-table h3 {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-dark);
  margin-bottom: 16px;
}
.detail-info-table dl {
  margin: 0;
}
.detail-info-row {
  display: flex;
  padding: 10px 0;
  border-bottom: 1px solid #e0e0e0;
  font-size: 0.9rem;
}
.detail-info-row:last-child {
  border-bottom: none;
}
.detail-info-row dt {
  width: 120px;
  font-weight: 700;
  color: var(--text-gray);
  flex-shrink: 0;
}
.detail-info-row dd {
  color: var(--text-dark);
  margin: 0;
}

/* Bottom CTA */
.detail-bottom-cta {
  text-align: center;
  padding-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .detail-hero {
    padding: 100px 1.2rem 32px;
  }
  .detail-hero-title {
    font-size: 1.6rem;
  }
  .detail-hero-sub {
    font-size: 0.9rem;
  }
  .detail-cta {
    padding: 14px 36px;
    font-size: 1rem;
  }
  .detail-section {
    padding: 40px 1.2rem;
  }
  .detail-section--parents {
    padding: 40px 1.2rem 60px;
  }

  /* Features: 2 columns on tablet */
  .detail-features {
    grid-template-columns: 1fr 1fr;
  }

  /* Steps: vertical with horizontal layout per step */
  .detail-steps {
    flex-direction: column;
    gap: 16px;
  }
  .detail-step {
    display: flex;
    align-items: center;
    gap: 14px;
    text-align: left;
  }
  .detail-step-num {
    width: 44px;
    height: 44px;
    min-width: 44px;
    margin: 0;
    font-size: 1.2rem;
  }

  /* Benefits: single column */
  .detail-benefits {
    grid-template-columns: 1fr;
  }

  .detail-parents-title {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .detail-hero-title {
    font-size: 1.4rem;
  }
  /* Features: single column on small phone */
  .detail-features {
    grid-template-columns: 1fr;
  }
  .detail-info-row {
    flex-direction: column;
    gap: 2px;
  }
  .detail-info-row dt {
    width: auto;
    font-size: 0.8rem;
  }
}