@media screen and (max-width:900px){
   header{
    padding:20px;
   }
   #mobile{
   display:inline-flex;
    width:100%;
  }
   #mobile img{
    width:160px;
   }
   #pc{
    display:none;
   }

  .switchbtn{
     font-size:0.7em;
  }

  .sectorinput{
     width:90px;
  }

  footer .row{
    display:block;
 text-align:left;
}

footer .row .col{
  width:100%;
}
}