#past .accordion_torigger .basic_title02 {
    margin-bottom: 0;
}

.past_year {
    /*background-color: antiquewhite;*/
    padding-top: 20px;
}

.past_year .basic_title02 {
    margin-bottom: 0;
}

#past .acc_box h3:after,
#past .acc_box h3:before {
    top: 50%;
}

#past .qa_list {
    margin-top: 20px;
}