.head{
background:url(image/h.jpg);
background-position:bottom;
}
.main h2{
background:url(image/h.gif);
height:28px;
}
.cont1{margin:30px 0;}

.main h3{
border-bottom:#616e78 solid 1px;
display:block;
text-indent:-999em;
height:18px;
margin-bottom:20px;
}
.sub1{background:url(image/h1.gif) no-repeat;}
.sub2{background:url(image/h2.gif) no-repeat;}
.sub3{background:url(image/h3.gif) no-repeat;}
.sub4{background:url(image/h4.gif) no-repeat;}

.cont2{margin:20px 0 30px;}
.cont2 div{
margin:20px 0;
font-weight:bold;
line-height:180%;
}
.cont2 img{margin-top:5px;}
.toi{
background:url(image/bt.gif) no-repeat;
display:block;
text-indent:-999em;
width:265px;
height:46px;
margin:0 auto;
}