div#submenu ul
{
  width: 1020px;
}

div#content
{
  width: auto;
  padding: 0;
}

div#eyecatcher
{
  height: 100px;
}

div#mainc
{
  width: 700px;
  max-width: 80%;
  padding-top: 50px;
}

@media handheld,
(max-width: 750px),
(max-device-width: 750px),
screen and (max-width: 800px)
{

  div#mainc
  {
    width: 700px;
    max-width: 100%;
  }

  div#content
  {
    max-width: 100vw;
  }
}