#navigation_area{
	float: left;
	margin-top: 85px;
	margin-left: 70px;
}

ul#navigation {
	width:120px;
	margin:0;
	overflow:hidden;
　/*float解除*/
    zoom:100%;　/*float解除*/
	padding: 0px;
}
ul#navigation li {
　　padding: 0px;
    float:left; /*次の要素を右側へ回り込ませる*/
    list-style:none; /*リストの●を消す*/
}
ul#navigation li a {
    display:block; /*インラインからブロック要素へ変更*/
    height:33px; /*高さ*/
    width:120px; /*横幅*/
    text-indent:-9898px; /*テキストを横に飛ばして見えなくする*/
    background-image:url(img/side_navi.png); /*メニュー画像*/
    background-repeat:no-repeat; /*画像の繰り返しをオフに*/
	
}

ul#navigation a.home {background-position:0px 0px;width:120px;}
ul#navigation li a.home:hover {background-position:-120px 0px;}
 
ul#navigation a.gallery {background-position:0px -33px;}
ul#navigation li a.gallery:hover {background-position:-120px -33px;}
 
ul#navigation li a.about {background-position:0px -66px;}
ul#navigation li a.about:hover {background-position:-120px -66px;}
 
ul#navigation li a.contact {background-position:0px -99px;}
ul#navigation li a.contact:hover {background-position:-120px -99px;}
 
ul#navigation li a.link {background-position:0px -132px;}
ul#navigation li a.link:hover {background-position:-120px -132px;}

ul#navigation li a.download {background-position:0px -165px;}
ul#navigation li a.download:hover {background-position:-120px -165px;}