p.line-red{text-decoration:line-through;color: red;}

p.line-red span{color:#000;}

@media screen and (min-width: 1024px) {
  .product-detail {
    display: flex;
    gap: 20px;
    align-items: flex-start;
  }

  .main-image {
    flex: 1;
  }

  .thumbnail-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .thumbnail-list img {
    height: 100px; /* ← ここで縦長に調整 */
    width: auto;
    object-fit: cover;
    border: 1px solid #ccc;
    cursor: pointer;
  }
}