.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  color: #333;
}

.section-subtitle {
  font-size: 1rem;
  text-align: center;
  color: #666;
  margin-bottom: 3rem;
}

/* 1. 課題と期待できる効果セクション */
.challenges-section {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 20px;
}

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.challenge-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.challenge-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.challenge-before {
  color: #e74c3c;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.challenge-after {
  color: #27ae60;
  font-weight: 600;
  font-size: 1.5rem;
}

.arrow-icon {
  display: inline-block;
  margin: 0.5rem 0;
  color: #3498db;
  font-size: 1.5rem;
}

/* 2. 提供価値セクション */
.value-section {
  background: #fff;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.value-item {
  text-align: center;
  padding: 2rem 1rem;
}

.value-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2rem;
  font-weight: bold;
}

.value-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #333;
}

.value-description {
  color: #666;
  line-height: 1.7;
}

/* 3. 課題別カテゴリセクション */
.category-section {
  background: #f8f9fa;
  padding: 20px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.category-card {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  border-left: 5px solid #3498db;
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-card:nth-child(1) {
  border-left-color: #3498db;
}

.category-card:nth-child(2) {
  border-left-color: #9b59b6;
}

.category-card:nth-child(3) {
  border-left-color: #e67e22;
}

.category-card:nth-child(4) {
  border-left-color: #e74c3c;
}

.category-card:nth-child(5) {
  border-left-color: #1abc9c;
}

.category-card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.category-label {
  font-weight: 600;
  color: #999;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.category-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #333;
}

.category-description {
  color: #666;
  line-height: 1.6;
}

/* 4. チームワーク詳細セクション */
.teamwork-detail-section {
  background: white;
}

.detail-content {
  max-width: 900px;
  margin: 0 auto;
}

.detail-block {
  margin-bottom: 4rem;
}

.detail-block-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid #3498db;
}

.detail-list {
  list-style: none;
  padding: 0;
}

.detail-list li {
  padding: 1rem 0 1rem 2rem;
  position: relative;
  border-bottom: 1px solid #ecf0f1;
}

.detail-list li:before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #27ae60;
  font-weight: bold;
  font-size: 1.2rem;
}

.program-flow {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 2rem;
  margin-top: 2rem;
}

.flow-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px dashed #ddd;
}

.flow-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.flow-number {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
  margin-right: 1.5rem;
}

.flow-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: #2c3e50;
}

.flow-content p {
  color: #666;
  line-height: 1.7;
}

.strength-points {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 12px;
  padding: 2.5rem;
  margin-top: 3rem;
}

.strength-points h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.strength-points ul {
  list-style: none;
  padding: 0;
}

.strength-points li {
  padding: 0.8rem 0 0.8rem 2rem;
  position: relative;
  line-height: 1.7;
}

.strength-points li:before {
  content: '★';
  position: absolute;
  left: 0;
  color: #ffd700;
  font-size: 1.2rem;
}

/* 5. 導入実績セクション */
.achievements-section {
  background: white;
  padding: 80px 0;
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.achievement-card {
  background: #f8f9fa;
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s ease;
  border-top: 4px solid #3498db;
}

.achievement-card:hover {
  background: white;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transform: translateY(-3px);
}

.achievement-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  text-align: center;
}

.achievement-category {
  font-size: 1.1rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
  text-align: center;
}

.achievement-description {
  color: #666;
  line-height: 1.7;
  text-align: center;
}

.achievement-summary {
  text-align: center;
  margin-top: 3rem;
  padding: 2rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12px;
  color: white;
}

.achievement-summary p {
  font-size: 1.2rem;
  line-height: 1.8;
}

.achievement-summary strong {
  font-size: 1.5rem;
  font-weight: 700;
}

/* 6. 導入ステップセクション */
.steps-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.steps-section .section-title,
.steps-section .section-subtitle {
  color: white;
}

.steps-container {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 3rem;
  position: relative;
}

.step-item {
  flex: 1;
  min-width: 180px;
  width: 100%;
  text-align: center;
  padding: 1rem;
  position: relative;
}

.step-circle {
  width: 100px;
  height: 100px;
  background: white;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.step-number {
  font-size: 1.5rem;
  font-weight: bold;
  color: #667eea;
}

.step-label {
  color: #999;
  text-transform: uppercase;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-description {
  opacity: 0.9;
}

.step-arrow {
  position: absolute;
  top: 50px;
  right: -15px;
  font-size: 2rem;
  opacity: 0.5;
}

.step-item:last-child .step-arrow {
  display: none;
}

/* 7. 費用レンジセクション */
.pricing-section {
  background: #f8f9fa;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: white;
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.pricing-type {
  font-size: 1.5rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 1rem;
}

.pricing-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: #3498db;
  margin-bottom: 1rem;
}

.pricing-note {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  text-align: left;
  padding: 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #ecf0f1;
}

.pricing-features li:last-child {
  border-bottom: none;
}

/* 8. CTAセクション */
.cta-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 60px 0;
}

.cta-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 2rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-button {
  background: white;
  color: #667eea;
  padding: 1.2rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
  background: #f8f9fa;
}

.cta-button.secondary {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.cta-button.secondary:hover {
  background: white;
  color: #667eea;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .challenges-grid,
  .value-grid,
  .category-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .steps-container {
    flex-direction: column;
  }

  .step-arrow {
    display: none;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-button {
    width: 80%;
    text-align: center;
  }
}