.cases-page-section {
  padding-top: 100px; /* PC版余白を統一 */
  padding-bottom: 80px;
}
.cases-page-section h1 {
  text-align: center;
  font-size: 32px;
  margin-bottom: 15px;
}
.cases-page-section .lead-text {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
  color: #555;
}
.case-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}
.case-item {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  text-align: center;
}
.case-item:hover { transform: translateY(-5px); }
.case-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}
.case-content {
  padding: 25px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.case-item h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: #E60012;
  text-align: center;
  width: 100%;
}
.case-item p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #333;
  margin: 0;
  text-align: center;
}
@media (max-width: 768px) {
  .cases-page-section {
    padding-top: 40px; /* スマホ版固定 */
  }
  .case-items { grid-template-columns: 1fr; gap: 20px; }
  .case-item img { height: 200px; }
}