.icehead {
  padding: 12px 10px;
  margin-bottom: 10px;
  background-image: url(https://www.jamble.co.jp/user_data/packages/default/img/category/category_banner/id4306/ice_banner.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  text-align: center;
}
.icehead h2{
    margin: 0;
    font-weight: bolder;
    font-size: clamp(16px, 4vw, 28px);
    color: #0071BC;
    line-height: 1.4;
}
 .swiper-wrapper {
    /* サイズ調整 */
    width: 100%;
    height: 300px;
  }

  .swiper-slide {
    /* 文字配置調整、背景色設定 */
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
    background-color: #dfe7fd;
  }