/* Webサイト制作特化セクション共通スタイル */
.section-title {
  font-size: 2rem;
  font-weight: bold;
  color: #2d3748;
  text-align: center;
  margin-bottom: 1rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
  margin: 1rem auto 0;
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #4a5568;
  text-align: center;
  margin-bottom: 3rem;
  line-height: 1.8;
}

/* 高機能Webサイト構築セクション */
.website-features-section {
  padding: 80px 20px;
  background: #ffffff;
}

.website-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.feature-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  position: relative;
}

.feature-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #667eea, #764ba2);
  border-radius: 12px 0 0 12px;
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.feature-card:hover::before {
  transform: scaleY(1);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon i {
  font-size: 28px;
  color: #ffffff;
}

.feature-card h4 {
  font-size: 1.3rem;
  font-weight: bold;
  color: #2d3748;
  margin-bottom: 15px;
}

.feature-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-card ul li {
  font-size: 0.95rem;
  color: #4a5568;
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.feature-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

/* 対応技術スタックセクション */
.tech-stack-section {
  padding: 80px 20px;
  background: #f8f9fa;
}

.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.tech-category {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.tech-category h4 {
  font-size: 1.2rem;
  font-weight: bold;
  color: #2d3748;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tech-category h4 i {
  color: #667eea;
  font-size: 1.3rem;
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-tag {
  display: inline-block;
  background: linear-gradient(135deg, #667eea15, #764ba215);
  color: #667eea;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid #667eea30;
  transition: all 0.3s ease;
}

.tech-tag:hover {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: #ffffff;
  transform: translateY(-2px);
}

/* 業種別実装事例セクション */
.industry-examples-section {
  padding: 80px 20px;
  background: #ffffff;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.industry-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  text-align: center;
}

.industry-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.industry-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.industry-icon i {
  font-size: 36px;
  color: #ffffff;
}

.industry-card h4 {
  font-size: 1.3rem;
  font-weight: bold;
  color: #2d3748;
  margin-bottom: 15px;
}

.industry-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.industry-card ul li {
  font-size: 0.95rem;
  color: #4a5568;
  padding: 8px 0;
  padding-left: 24px;
  position: relative;
  line-height: 1.6;
}

.industry-card ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
}

/* セキュリティ・保守体制セクション */
.security-maintenance-section {
  padding: 80px 20px;
  background: #f8f9fa;
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
  margin-top: 40px;
  margin-bottom: 50px;
}

.security-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.security-card h4 {
  font-size: 1.4rem;
  font-weight: bold;
  color: #2d3748;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.security-card h4 i {
  color: #667eea;
  font-size: 1.5rem;
}

.security-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.security-card ul li {
  font-size: 1rem;
  color: #4a5568;
  padding: 12px 0;
  padding-left: 28px;
  position: relative;
  line-height: 1.8;
}

.security-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #667eea;
  font-weight: bold;
  font-size: 1.2rem;
}

.security-card ul li strong {
  color: #2d3748;
  font-weight: 600;
}

/* 実績数値表示 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.stat-item {
  text-align: center;
  padding: 30px;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.stat-number {
  font-size: 3rem;
  font-weight: bold;
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
}

.stat-number span {
  font-size: 1.5rem;
  margin-left: 5px;
}

.stat-label {
  font-size: 1rem;
  color: #4a5568;
  font-weight: 500;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.6rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .website-features-grid,
  .tech-stack-grid,
  .industry-grid {
    grid-template-columns: 1fr;
  }

  .security-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
}