#main {
	background-image: url(images/bg_main.gif);
	background-repeat: no-repeat;
	background-position: left top;
}
table#contents {
	width: 870px;
}
#contents .navi {
	background-image: url(images/midashi.gif);
	background-repeat: no-repeat;
	background-position: left top;
	height: 76px;
}