.image-container {
  /*任意の幅を設定 */
  width: 300px; 
  /*任意の高さを設定 */
  height: 300px; 
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.responsive-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
   /* 縦の長さを横の長さの1.3倍にする */
  transform: scale(1, 1.3); 
}