@charset 'utf-8';

div#top_outbox 
{
width:800px;
background-color:#fff;
background-image:url('../images/top_bg.gif');
}

/* ヘッダ */ 
.logo_box {
 margin:10px; 
}

.logo_box  span {
	position:absolute;
	width:342px; 
	height:84px;
	background-image:url('../images/riken_logo.gif');
	background-repeat:no-repeat;
}

/* 背景設定 */
div#top_menu { 
	width:765px; /*772*/ 
	min-height:330px;
	height: auto !important;
	height: 400px;
	background-color:#fff;
	background-image:url('../images/top_image.jpg'); 
	background-repeat:no-repeat;
}

.logo_box h1 {
	height:84px;
}


/* メイン */
div#main {
float:left;
padding-left:30px;
padding-right:30px;
}

/*更新情報*/
table#update {
width:520px; 
margin-left:200px; 
margin-bottom:20px; 
margin-top:10px;
font-size:80%; 
border:1px #20aa90 solid; 
}

table#update th {
color:#fff; 
background-color:#20aa90; 
background-image:url('../images/header_bar01.gif');
}

td#update_date {
border:0px; vertical-align:middle;width:25%;
}

td#update_description {
border:0px;  
vertical-align:middle; 
}