html,body { height: 100%; }
body { padding: 0; }
#wrap { min-height: 100%; _height: 100%; /* for IE6 */ background:url(../images/main_bg_pt.jpg) center -95px repeat-y;}
#mainarea { padding-bottom: 150px; background: url(../images/top_main_bg.png) center bottom no-repeat;}
#contents { width: 950px; margin: 0 auto;}
#header h1 { margin-bottom: 0px;}
#header { width: 950px; margin: 0 auto; text-align: left; }
#navi { margin-top: -145px; /* ポイント2 */}