/* レンタルの流れ（STEPボックススタイル） */
.flow-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 20px;
  padding: 40px 20px;
  background: #f9f9f9;
}

.step-box {
  background: #ffffff;
  border: 2px solid #ddd;
  border-radius: 12px;
  padding: 20px;
  width: 100%;
  max-width: 300px;
  flex: 1;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  transition: transform 0.2s ease;
}

.step-box:hover {
  transform: translateY(-5px);
}

.step-box h3 {
  font-size: 1.5rem;
  color: #0a76d1;
  margin-bottom: 10px;
  font-weight: bold;
}

.step-box h4 {
  font-size: 1.2rem;
  color: #333;
  margin-bottom: 12px;
  font-weight: 600;
}

.step-box p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #555;
}

.btn-sample {
  display: inline-block;
  background: #ff8c00;
  color: white;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.85rem;
  margin: 4px;
}

/* スマホ対応 */
@media screen and (max-width: 768px) {
  .flow-steps {
    flex-direction: column;
    align-items: center;
  }

  .step-box {
    max-width: 100%;
  }
}