/* 表示・非表示 */
@media only screen and (min-width: 901px) {
 
  /* --- スライドショー画像（初台） --- */
  .background .slide1-ha { 
    background-image: url('../images/slidebox/ttl_hatsudai1.jpg');
  }
  .background .slide2-ha { 
    background-image: url('../images/slidebox/ttl_hatsudai2.jpg');
  }
  .background .slide3-ha { 
    background-image: url('../images/slidebox/ttl_hatsudai3.jpg');
  }
  .background .slide4-ha { 
    background-image: url('../images/slidebox/ttl_hatsudai4.jpg');
  }
  .background .slide5-ha { 
    background-image: url('../images/slidebox/ttl_hatsudai5.jpg');
  }
}

@media only screen and (max-width: 900px) {
  /* --- スライドショー画像（初台） --- */
  .background .slide1-ha { background-image: url('../images/slidebox/ttl_hatsudai1-sp.jpg'); }
  .background .slide2-ha { background-image: url('../images/slidebox/ttl_hatsudai2-sp.jpg'); }
  .background .slide3-ha { background-image: url('../images/slidebox/ttl_hatsudai3-sp.jpg'); }
  .background .slide4-ha { background-image: url('../images/slidebox/ttl_hatsudai4-sp.jpg'); }
  .background .slide5-ha { background-image: url('../images/slidebox/ttl_hatsudai5-sp.jpg'); }
}