/*-------------------------------------------------
タブ形式　NAVIGATION
-------------------------------------------------*/

#mainnavbox {
	margin: 0;
	padding:20px 0 0 0;
	height: 30px;
	border-bottom:solid 2px #3194F8;
	}

#mainnav {
	margin: 0;
	padding: 0;
	background:url(../images/bkd_mainnav.gif) no-repeat;
	width: 590px;
	height: 30px;
	position: relative;
	top:0;
	}

#mainnav li {
	margin: 0;
	padding: 0;
	list-style: none;
	position: absolute;
	top: 0;
	}
	
#mainnav li, #mainnav a {
	height: 30px;
	display: block;
	}

/* Modified Phark Image Replacement Technique */
#mainnav a {text-indent: -500px; overflow:hidden; }

#mainnav_lasting {left:5px; width: 140px;}
#mainnav_needs {left: 150px; width: 141px;}
#mainnav_support {left: 295px; width: 143px;}


#mainnav_lasting a:hover, #mainnav_lasting a:visited:hover 
{ background: transparent url(../images/bkd_mainnav.gif) -5px -30px no-repeat;}
#mainnav_needs a:hover, #mainnav_needs a:visited:hover 
{ background: transparent url(../images/bkd_mainnav.gif) -150px -30px no-repeat;}
#mainnav_support a:hover, #mainnav_support a:visited:hover 
{ background: transparent url(../images/bkd_mainnav.gif) -295px -30px no-repeat;}

#mainnav_lasting a.selected:link, #mainnav_lasting a.selected:visited 
{ background: transparent url(../images/bkd_mainnav.gif) -5px -60px no-repeat;}
#mainnav_needs a.selected:link, #mainnav_needs a.selected:visited 
{ background: transparent url(../images/bkd_mainnav.gif) -150px -60px no-repeat;}
#mainnav_support a.selected:link, #mainnav_support a.selected:visited
 { background: transparent url(../images/bkd_mainnav.gif) -295px -60px no-repeat;}