*{margin:0;padding:0;line-height:160%;}
ul,ol{margin:0;padding:0;}
ul li{list-style:none;list-style-postion:inline;}
ul li a{border:none;}
h2,h3,h3,h4,h5{margin:0;padding:0;}
img{border:none;}

body{
font-family:Meiryo,Osaka,arial,sans-serif,verdana;
color:#111;
background:#f6f6f6;
text-align:center;
}
a{color:#a50f38; text-decoration:none;}
a:hover{color:#aa364f;}
.c-f{ clear:both;}

#main_body{
width:840px;
text-align:left;
margin:0 auto;
}

#header{
padding:5px 7px; 
border-bottom:solid 1px #ddd;
margin-bottom:15px;
text-align:center;
background:#fff;
border-bottom:solid 1px #fff;
box-shadow:0 0 4px #999;
background: -moz-linear-gradient(top,#fff,#eee);
background: -webkit-gradient(linear, center top, center bottom, from(#fff), to(#eee));
background: linear-gradient(top center, #fff 0%, #eee 100%);
}
#header_in{
margin:0 auto;
width:840px;
text-align:left;
}
#header a{
font-size:20px;
}


#nav_area{
width:26%;
position:relative;
float:left;
font-size:11px;
color:#888;
margin-bottom:15px;
padding:1px;
}
#nav_area ul{
padding:1px 0;
margin-bottom:10px;
background:#aaa;
box-shadow:1px 1px 2px #aaa;
}
#nav_area ul li{
padding:7px;
margin:1px;
background:#eee;
background: -moz-linear-gradient(top, #eee, #fff);
background: -webkit-gradient(linear, center top, center bottom, from(#eee), to(#fff));
background: linear-gradient(top center, #eee 0%, #fff 100%);
border:#fff 1px solid;
}

.nav_label{
padding:7px;
color:#fff;
font-size:14px;
font-weight:bold;
background:#333;
background: -moz-linear-gradient(top, #666, #000);
background: -webkit-gradient(linear, center top, center bottom, from(#666), to(#000));
background: linear-gradient(top center, #666 0%, #000 100%);
border:#000 solid 1px;
box-shadow:1px 1px 2px #aaa;
}


#contents_unit{
background:#ffffff;
width:62%;
padding:35px;
margin-bottom:23px;
position:relative;
float:right;
font-size:13px;
line-height:180%;
color:#333;
box-shadow:1px 1px 3px #999;
}

#page_title{
margin:7px 0 15px 0;
font-weight:bold;
border:#666666 solid 1px;
border-radius:5px ;
}

#page_title h2{
padding:5px;
margin:2px;
color:#444;
font-size:18px;
letter-spacing:-1px;
background:url(img/bg_stripe.jpg);
}

#article_inner h3{
padding:5px;
border:#666666 solid 1px;
color:#666666;
font-size:15px;
letter-spacing:-1px;
margin:15px 0;
border-radius:5px ;
}

.img_type1{
border-top: #deeef5 solid 2px;
border-bottom: #deeef5 solid 2px;
width:100%;
}

#article_inner,
#contents_unit p{line-height:180%;}

#article_inner ul li{line-height:180%;}

#article_inner .useful li{ line-height:180%; padding-bottom:3px;}


#footer_bar {
letter-spacing: 1px;
font-size:11px;
text-align:center;
background:#fff;
}
#footer_bar p {
margin:0 auto;
width:840px;
text-align: right;
padding: 10px;
}
#footer_bar ul {
margin:0 auto;
width:840px;
text-align: left;
padding: 10px 0;
}