@charset "UTF-8";
#wrap { width:640px; height:auto; margin:0 auto; position:relative; /* overflow:hidden; */ }
#wrap header { width:640px; height:120px; position:relative; background:#fff; z-index:90; border-bottom:1px solid #ccc; }
#wrap section { height:auto; margin:0 auto; }
#wrap nav { height:68px; margin:0 auto; }
#wrap footer { height:auto; margin:0 auto; padding-bottom:115px; }

section#mainSection { padding:40px 20px 85px; background:url("/m/images/index/bg.jpg") no-repeat center top; background-size:cover; }