#site_center {text-align:center;}
.main { width:800px; margin:0 auto; text-align:left;}
.min_width {width:expression(((document.documentElement.clientWidth || document.body.clientWidth) < 800)? "800px" : "100%"); min-width:800px;}
.menu{min-width:800px;}
.logo{min-width:800px;}

.col_1, .col_2, .col_3, .col_4, .col_5, .col_6, .col_7, .col_box_1, .col_box_2{ float:left;}

#page2 .row_top .col_1{ width:100%}
#page2 .row_top .col_2{ width:41%}

#page3 .row_top .col_1{ width:47%}
#page3 .row_top .col_2{ width:53%}