.kikan dt {
    width: 280px;
    color: #c00;
    border-top: 1px solid #ccc;
    padding-top: 10px;
    font-weight: bold;
}

.kikan dd {
    width: 520px;
    border-top: 1px solid #ccc;
    padding-top: 10px;
    margin-bottom: 15px;
}