body {
	background: url("http://acru.jp/wp-content/themes/acru/img/header_bg.jpg");
	color: #000;
	font-size:75%;
	line-height: 200%;
	margin:0;
	_overflow:hidden;
 }

A:link,
A:active,
A:visited {
	color:#2f4f4f;
}

img{
	border:none;
}

a:hover {
	color:#696969; 
	text-decoration: none;
} 

#viewer {
    margin: 0 auto;
    width: 700px;
    height: 571px;
    text-align: left;
    overflow: hidden;
    position: relative;
}
	 
#viewer img {
    top: 0;
    left: 0;
    position: absolute;
}

#menu{
	width:230px;
	margin:50px 0 0 0;
	padding:0;
	_position:absolute;
	position:fixed;
}

#menu ul {
	margin:0;
	list-style:none;
}

#menu ul li{
	line-height: 80px;
}

#menu a:hover{
	opacity:0.5;
}

#contents{
	width:700px;
	height:100%;
	_overflow:auto;
	padding:0 20px;
	margin:0 0 100px 280px;
}