.menu_main {
	width: 150px;
	margin-bottom: 20px;
	margin-left: auto;
	margin-bottom: 20px;
	margin-right: auto;
}
.menu_main ul{
	list-style-position: outside;
	list-style-image: none;
	list-style-type: none;
}
.menu_main ul a{overflow:hidden;}
.menu_main li{margin-bottom: 5px;}

/*メインメニュー背景*/
.top1 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px 0px;  text-indent:-99999px;}
.top2 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -33px;  text-indent:-99999px;}
.top3 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -66px; text-indent:-99999px;}
.top4 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -99px; text-indent:-99999px;}
.top5 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -132px; text-indent:-99999px;}
.top6 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -165px; text-indent:-99999px;}
.top7 {background-image: url(../images/menu.gif); display:block; height:28px; width: 150px;
background-position: 0px -198px; text-indent:-99999px;}

/*メインメニューオンマウス時背景*/
.top1:hover{background-image: url(../images/menu.gif); background-position: -150px 0px;}
.top2:hover{background-image: url(../images/menu.gif); background-position: -150px -33px;}
.top3:hover{background-image: url(../images/menu.gif); background-position: -150px -66px;}
.top4:hover{background-image: url(../images/menu.gif); background-position: -150px -99px;}
.top5:hover{background-image: url(../images/menu.gif); background-position: -150px -132px;}
.top6:hover{background-image: url(../images/menu.gif); background-position: -150px -165px;}
.top7:hover{background-image: url(../images/menu.gif); background-position: -150px -198px;}