/*** for PC Browser ***/
@media (min-width:401px)
{
iframe.komatsu_ch
{
    width: 560px;
    height: 315px;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
iframe.komatsu_ch
{
    width: 300px;
    height: 169px;
}
}