@media only screen and (max-width:640px){#header{height:82px;min-width:auto}#header>table{height:37px}#header .logo img{height:auto;width:100px}#header .icon_button{padding:5px;width:38px}#header .icon_button img{width:100%}#header .icon_button p{display:none}#header .navi_area .split_bar{height:35px}}