body{
margin:0;
padding:0;
}

#wrapper{
margin:0 auto 0 auto;
padding:0;
width:1100px;
}

#header{
margin:0;
margin-left:20px;
padding:0;
background: url(img/background.gif) repeat;
}

#logo{
margin:0;
text-align: center;
}

#explain{
margin:0;
float:right;
}

#contents{
margin:0;
margin-top:10px;
padding:0;
width:1100px;
}

#leftnavi{
margin:0;
padding:0;
float:left;
width:280px;
}

#maincontents{
margin:0;
padding:0;
float:right;
width:800px;
}

#main{
margin:0;
padding:0;
float:left;
width:500px;
}

#rightnavi{
margin:0;
padding:0;
float:right;
width:300px;
}

#contents:after{
content:".";
display:block;
height:0;
clear:both;
visibility:hidden;
}

#footer{
margin:0;
padding:0;
}

#bottomnavi{
text-align: center;
}

#news{
margin-top:10px;
}

address{
float:right;
}