/*** for PC Browser ***/
@media (min-width:401px)
{
div.banner {
  width: 100%;
  margin: 0 0 10px auto;
  padding: 0;
  text-align: center;
  border: none;
}
div.banner img {
  width: 680px;
  margin: 0;
  padding: 0;
  border: none;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
div.banner {
  display: none;
}
}