/*** for PC Browser ***/
@media (min-width:401px)
{
.main_img {
background: url(/secure/1306622/renest_bg.png) no-repeat center bottom !important;
background-size: 100% !important;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
.main_img {
background: url(/secure/1306622/renest_bg.png) no-repeat center bottom !important;
background-size: 100% !important;
}
}