header{
    height: 280px;
}
.navi ul li.g_navi{
    margin: 134px 0 0;
}
.content{
    padding-top: 0px;
}
@media screen and (max-width:820px) {
  header {
    height: 320px;
  }
  content {
    padding-top: 40px;
}
}