#contentsArea {
    background: linear-gradient(180deg, #F0F7FF 3.8%, #FFFFFF 0%);
}


@media screen and (min-width: 751px){
    .pc_Hide{
      display: none;
    }
  
    .col_1{
      width: 45%;
    }
  
    .col_2{
      width: 55%;
    }
  
    .video-width{
      width: 85%!important;
    }
  
  }
  
  @media screen and (max-width: 750px){

    #contentsArea {
        background: linear-gradient(180deg, #F0F7FF 4%, #FFFFFF 0%);
    }
    .col_1{
      width: 45%;
    }
  
    .col_2{
      width: 55%;
    }
  
    .video-width{
      width: 100%!important;
    }
  }