.main_top {
	background: url(../../images/main/bg.jpg) no-repeat left center;
}
.main_bottom .title {
	background: url(../../images/main/title.png) repeat-x right bottom;
}
.main_bottom .title span {
	color: #efefef;
}
.main_bottom .main_left .title {
	background: url(../../images/main/title.png) repeat-x left bottom;
}
.main_sys a {
	background: url(../../images/main/csys.png) repeat-x center;
}
.main_sys a.first {
	background: url(../../images/main/lsys.png) repeat-x left center;
}
.main_sys a.last {
	background: url(../../images/main/rsys.png) repeat-x right center;
}