@media (orientation:landscape){
  #top_image_forSP{
    display: none;
  }
  #top_image_forPC{
    width:100vw;
    height:27vw;
    background-image: url("images/main/header_01.png");
    background-repeat:no-repeat;
    position:fixed;
    background-position: 0 -5.6vw;
    background-size: 100vw;


    z-index: 1;
  }
}

@media (orientation:portrait){
  #top_image_forPC{
    display: none;
  }
  #top_image_forSP{
    width:100vw;
    height:500vh;
    background-image: url("images/main/mp_main_00.png");
    background-repeat:no-repeat;
    position:fixed;
    background-size: 100vw 78vh;

    z-index: 1;
  }
}