@charset "UTF-8";
  .youtubeimg {
    width: 860px;
    height: 490px;
    padding: 30px;
  }

  .ebookimg {
    width:710px;
    height:490px;
    padding: 30px;
  }

  .bannerimg {
    width:610px;
    height:490px;
    padding: 30px;
  }

  .swiper {
    height: 510px;
  }

@media screen and (max-width: 768px) {
  .youtubeimg {
    width: 460px;
    height: 190px;
    padding-top: 0px;
    padding-bottom: 30px;
    padding-right: 30px;
    padding-left: 30px;
  }

  .ebookimg {
    width: 260px;
    height: 190px;
    padding-top: 0px;
    padding-bottom: 30px;
    padding-right: 30px;
    padding-left: 30px;
  }

  .bannerimg {
    width:275px;
    height: 190px;
    padding-top: 0px;
    padding-bottom: 30px;
    padding-right: 30px;
    padding-left: 30px;
  }

  .swiper-nav-prev, .swiper-nav-next {
    top: 38%;
    transform: translateY(-50%);
  }

  .swiper {
    height: 210px;
  }
}