/*** for PC Browser ***/
@media (min-width:401px)
{
.syutudo_bn
{
  margin: 30px auto 0px;
  width: 1000px;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
.syutudo_bn
{
  margin: 30px auto 0px;
  width: 320px;
}
.syutudo_bn img
{
    height: auto !important;
    max-width: 300px;
    margin: 0 10px;
}
}