ul.main li{
	float:left;
	height:36px;
	background:url(../images/index_navi/btn_off.png) right;
	position:relative;
	text-align: center;
	line-height: 36px;
	font-weight: bold;
	color: #FFFFFF;
	background-image: url(../images/index_navi/btn_off.png);
}
ul.main li a{
	display:block;
	width:100%;
	height:100%;
	line-height:36px;
	font-weight:bold;
	color:#ffffff;
	text-decoration:none;
	position:relative;
}
ul.main li a:hover{
	background:url(../images/index_navi/btn_on.png) right;
	color:#333333;
}
ul.sub li ul.sub{
	position:absolute;
	left:180px;
	top:0;
	white-space: nowrap;
	display: block;
}
ul.sub{
	display:none;
	white-space: nowrap;
}

ul.main:after {
    content:".";
    display:block;
    clear:both;
    height:0;
    visibility:hidden;
}


/* IE7 対策 */
ul.main{
	zoom:1;
	margin-bottom:0px;
}
*+html ul.main li{
    display:inline;
    zoom:1;
}
*+html ul.sub{
    zoom:1;
    position:relative;
}