@charset "utf-8";
.header > div{
    width: 960px;
    margin: 0 auto;
}

.body{
    position: relative;
    width: 960px;
    margin: 0 auto;
}

.contents{

}

.contents_header{
    text-shadow: 1px 1px 0 #aaaaaa;
    font-size: 1.5em;
    font-weight: bold;
    margin: 0;
}

.contents_sub_header{
    font-size: 1.2em;
    font-weight: bold;
    margin: 0;
    margin-top: 0.5em;
}

.gray_area{
    background-color: #d4d4d4;
    -webkit-border-radius: 0.5em;
    -moz-border-radius: 0.5em;
    border-radius: 0.5em;
    padding: 0.5em;
}