@media screen and (max-width:1000px){
#PC{display: none;}
}
@media screen and (max-width:1000px){
#PC1{display: none;}
}
@media screen and (min-width:1000px){
#MO{display: none;}
}
@media screen and (min-width:1000px){
#MO1{display: none;}
}


#iframe_div {
  transform-origin: 0 0;
  -ms-transform-origin: 0 0; /* IE 9 */
  -webkit-transform-origin: 0 0; /* Safari 3-8 */
}

@media screen and (max-width:359px) { #iframe_div { transform: scale(0.37); -ms-transform: scale(0.37); -webkit-transform: scale(0.37);   } }
@media screen and (min-width:360px) and (max-width:450px) { #iframe_div { transform: scale(0.5); -ms-transform: scale(0.5); -webkit-transform: scale(0.5);  } }
@media screen and (min-width:451px) and (max-width:544px) { #iframe_div { transform: scale(0.62); -ms-transform: scale(0.62); -webkit-transform: scale(0.62);  } }
@media screen and (min-width:545px) and (max-width:640px) { #iframe_div { transform: scale(0.74); -ms-transform: scale(0.74); -webkit-transform: scale(0.74);  } }
@media screen and (min-width:641px) and (max-width:730px) { #iframe_div { transform: scale(0.87); -ms-transform: scale(0.87); -webkit-transform: scale(0.87);  } }