/* 20250918 追記 */
.greeting-section {
  flex-direction: column;
  align-items: center;
  text-align: left;
  gap: 20px;
}

.greeting-image {
  flex: none;
  max-width: 100%;
  text-align: center;
}

.greeting-image img {
  max-width: 100%;
  height: auto;
}

.greeting-text {
  flex: none;
  width: 100%;
}

.greeting-section h3 {
  font-size: 1.4em;
  margin-bottom: 16px;
  font-weight: bold;
  margin-top: 20px;
}