#wrapper
{
  width: 1200px;
}

#sidebar
{
  width: 400px;
}
#content
{
  width: 800px;
  margin-left: 400px;
}

.sidebar-inner .localnavi a {
  width: 325px;
}

#main-image {
  height: 600px;
  margin: auto;
  display: block;
}
@media (max-width: 768px) {
  #wrapper
  {
    width: 480px;
  }

  #content
  {
    height: 640px;
  }

}