.h3-card-title {
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 20px 0;
  line-height: 1.4;
}

.h3-card-title--blue {
  color: #1e40af;
}

.h3-card-title--red {
  color: #b91c1c;
}

.h3-card-title--green {
  color: #047857;
}

.h3-card-title--purple {
  color: #6d28d9;
}

.h3-card-list {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-radius: 12px;
}

/* カラースキーム別の背景色 */
.h3-card-list--blue {
  background-color: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.1);
}

.h3-card-list--red {
  background-color: rgba(239, 68, 68, 0.05);
  border: 1px solid rgba(239, 68, 68, 0.1);
}

.h3-card-list--green {
  background-color: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.1);
}

.h3-card-list--purple {
  background-color: rgba(139, 92, 246, 0.05);
  border: 1px solid rgba(139, 92, 246, 0.1);
}

.h3-card-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: white;
  border-radius: 8px;
  padding: 12px 16px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.h3-card-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.h3-card-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: white;
  position: relative;
  overflow: hidden;
}

.h3-card-number::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.2);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.h3-card-item:hover .h3-card-number::before {
  opacity: 1;
}

.h3-card-content {
  flex: 1;
}

.h3-card-content a {
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  line-height: 1.6;
  color: #1f2937;
  display: block;
  transition: color 0.2s ease;
}

.h3-card-content a:hover {
  color: #3b82f6;
  text-decoration: none;
}

/* カラースキーム */
.h3-card-list--blue .h3-card-number {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.h3-card-list--red .h3-card-number {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.h3-card-list--green .h3-card-number {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.h3-card-list--purple .h3-card-number {
  background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

/* レスポンシブ対応 */
@media (max-width: 640px) {
  .h3-card-list {
    gap: 8px;
  }
  
  .h3-card-item {
    gap: 12px;
    padding: 12px 12px;
  }
  
  .h3-card-number {
    width: 32px;
    height: 32px;
    font-size: 16px;
    border-radius: 4px;
  }
  
  .h3-card-content a {
    font-size: 14px;
    line-height: 1.5;
  }
}