body {
	background-color: #000000;
	line-height:15px;color: #dddddd;
	font-size: 10px;
	letter-spacing:0.1em;
	font-family:Arial, Helvetica, sans-serif;
	font-weight:normal;
	height:100%;width:100%;
    margin:0;
padding :0; 
min-width:960px;
	}
html{	
height:100%;width:100%;
min-width:960px;
}

a{
color:#009193;}

.bc{
float:left;
padding-right:20px;
padding-bottom:20px;
display:block;

}
.kaisetsu{
padding-right:10px;
float:left;
width:140px;
}

.title{font-size: 12px; font-weight: bold;
padding-bottom:5px}

.contents{
background-image: url(img/back.gif);
background-color:#000000;
display:block;
margin :0; 
padding :0;
width:100%;
height:100%;
}
.contents2{
padding :0;
margin :0; 
width:100%;
height:100%;
}

.main {
	width: 250px;
	display:block;
		float:left;
}

.main2 {
	width: 640px;
	display:block;
		float:left;
}
.massage7 {
	width: 250px;
	float:left;
	display:block;
	padding-right:50px;

}

.box{
	width:960px;
	display:block;
}
.toptitle{padding-bottom:40px;}

.massage{
padding:50px;
min-width:800px;}

#topmenu{	
float:left;
width:145px;
display:block;
padding-right:60px;
}

.span1 {display:none;}
#topmenu ul { 
margin: 0; 
padding :0; 
list-style-type : none; 
}
#topmenu li { 
display:block;
list-style-type : none; 
padding-bottom:5px;
}
#topmenu #menu_a_1 a {
background-image:url(img/top.gif); 
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_a_2 a{
background-image:url(img/backnumber.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_a_3 a{
background-image:url(img/exhibition.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_a_4 a{
background-image:url(img/distributer.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_a_5 a{
background-image:url(img/link.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_a_6 a{
background-image:url(img/contact.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_aa_1 a {
background-image:url(img/top_on.gif); 
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_aa_2 a{
background-image:url(img/backnumber_on.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_aa_3 a{
background-image:url(img/exhibition_on.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_aa_4 a{
background-image:url(img/distributer_on.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}
#topmenu #menu_aa_5 a{
background-image:url(img/link_on.gif);  
width:145px; 
height:14px; 
background-repeat:no-repeat; 
margin:0;
padding:0; 
display:block;
}