/*メインイメージ*/
.cont_mainimg:after{
  padding-top: 87%;
}
.cont_mainimg>div{
  background: url("/resources/img/special/atrium/pct_top_mainimg_sp.jpg") no-repeat ;
  background-size:100% auto;
}
.cont_mainimg h2{
  width:80%;
  box-sizing: border-box;
  text-align: center;
  padding: 5% 8%;
  margin-top: 17%;
}


/*イベントのお知らせ*/
ul.cont_new_events{
}
ul.cont_new_events>li{
  margin: 20px auto 0 auto;
  /*max-width: 280px;*/
}
ul.cont_new_events>li:first-child{
  margin-top: 0;
}
ul.cont_new_events>li .cont_iteminfo{
  margin-top: 10px;
}

/*アトリウムとは*/
.cont_atrium{
  padding-left: 20px;
  padding-right: 20px;
}
.cont_about .cont_about_r{
  position: relative;
  margin-top: 20px;
}
.cont_about .cont_about_r:before{
  content: "";
  padding-top: 38%;
  display: block;
}
.cont_about .cont_about_r>figure{
  margin: 0;
  padding: 0;
  position: absolute;
  top:0;
  left: 0;
  right:0;
  bottom:0;
  background: url("/resources/img/special/atrium/pho_top_about_atrium_sp.jpg") no-repeat;
  background-size: 100% auto;
}

/*イベントアーカイブ*/
.cont_eventarchives ul.cont_archives{
  margin-top:-10px;
}
.cont_eventarchives ul.cont_archives li{
  margin-top: 20px;
}