.dropdown {
	text-align: center;
	font-size: 11px;
	float: left;
	font-weight: bold;
	color: #333333;
	position: absolute;
	top: 345px;
	z-index: 100;
	left: 134px;
	width: 133px;
}
.dropdown dt {
	width:133px;
	cursor:pointer;
	background-image: url(http://img01.ecgo.jp/usr/bit-co/css/img/bg_mainmenu.gif);
	color: #846900;
	background-repeat: no-repeat;
	font-weight: normal;
	height: 40px;
	line-height: 40px;
}
.dropdown dt:hover {
	background-image: url(http://img01.ecgo.jp/usr/bit-co/css/img/bg_mainmenu_active.gif);
	width:100%;
	background-repeat: no-repeat;
	color: #846900;
}

.dropdown dt a {
	color:#ffffff;
	font-size:12px;
}

.dropdown dt a:hover {
	color:#000000;
	background-image:url(../img/navi_center_ovr.gif)
}

.dropdown dd {
	position:absolute;
	overflow:hidden;
	width:162px;
	display:none;
	background:#fff;
	z-index:200;
	opacity:0;
	text-align: left;
	left: -1px;
	height: 35px;
}
.dropdown ul {
	width:160px;
	list-style:none;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-left-width: 1px;
	border-right-color: #000000;
	border-bottom-color: #000000;
	border-left-color: #000000;
}
.dropdown li {
	display:inline;
	width: 160px;
}
.dropdown a, .dropdown a:active, .dropdown a:visited {
	display:block;
	color:#000000;
	text-decoration:none;
	padding: 3px;
}
.dropdown a:hover {
	color:#000;
	background-color: #CCCCCC;
	text-decoration: none;
}
.dropdown .topline {
	border-top-width: 1px;
	border-top-style: solid;
	border-top-color: #000000;
}

.dropdown .underline {
	border-bottom-width: 1px;
	border-bottom-style: solid;
	border-bottom-color: #CCCCCC;
}