.item-img-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.main-swiper img {
  width: 100%;
  height: auto;
  display: block;
	aspect-ratio: 4 / 3;
    object-fit: cover;
}

.thumb-swiper {
  margin-top: 10px;
}

.thumb-swiper .swiper-slide {
  width: calc((100% - 20px) / 5); /* 5枚並ぶ時の均等幅 */
  opacity: 0.5;
  cursor: pointer;
}

.thumb-swiper .swiper-slide-thumb-active {
  opacity: 1;
}