.cnt-wrap {
    overflow: visible;
}
.cnt {
    width: 800px;
    margin: 10px 0 10px 85px;
}
dl {
    font-size: 1.4rem;
    border-top: 2px solid #ccc;
    margin-top: 20px;
}
dt {
    width: 150px;
    line-height: 45px;
    background: #eee;
    text-align: center;
    float: left;
    border-bottom: 1px solid #ccc;
}
dd {
    width: 650px;
    line-height: 45px;
    float: right;
    border-bottom: 1px solid #ccc;
    text-indent: 15px;
}
dd:last-of-type {
    width: 800px;
    clear: both;
    text-align: center;
    padding: 20px 0;
}
.cnt > a {
    display: block;
    width: 70px;
    height: 26px;
    line-height: 24px;
    border: 1px solid #ccc;
    font-size: 1.4rem;
    text-align: center;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    margin: 10px 0 30px 730px;
    color: #fff;
    background: #ccc;
}
@media screen and (min-width:320px) and (max-width:480px) {
    #concour .cnt {
        width: 95%;
        margin: 10px 2.5%;
    }
    #concour dt {
        width: 13%;
        line-height: 40px;
    }
    #concour dd {
        width: 87%;
        line-height: 40px;
        text-indent: 4%;
    }
    #concour dd:last-of-type {
        width: 100%;
    }
    #concour dd:last-of-type > img {
        display: block;
        width: 100%;
    }
    #concour .cnt > a {
        margin: 10px auto 30px auto;
    }
}