/*-------  共通  --------*/
h2 {
    margin-bottom: 60px;
}
@media (max-width: 768px) {
h2 {
    font-size: 24px;
    margin-bottom: 40px;
}
h3 {
    line-height: 1.5;
}
}

.mr_10 {
    margin-right: 10px;
}

/*-------  case  --------*/

.case_txt{
    text-align: center;
    line-height: 1.5;
    margin-bottom: 50px;
}
.cases .row-f {
    flex-wrap: wrap;
}

@media (max-width: 768px) {
.cases .row-f {
    flex-direction: column;
    width: 100%;
}
.cases .h3 {
    margin-top: 0.5em;
}
}



/*-------  qa --------*/
.qa .ttl_eng {
    text-align: center;
}
.qa .qa_box {
    margin: 0;
    padding: 0;
}
.qa .txt_que {
    display: flex;
    align-items: center;
    padding: 0.5em 15px;
    font-size: 24px;
    border-radius: 5px;
}
.qa .txt_que img, .qa .txt_ans img{
    margin: 0 15px 0 0 ;
}
.txt_ans {
    display: flex;
    align-items: flex-start;
    margin-top: 20px;
    padding: 0 15px;
    margin-bottom: 50px;
}
.txt_area_ans {
    font-size: 24px;
    margin-top: 0.5em;
}

@media (max-width: 768px) {
.qa .txt_que {
    flex-direction: column;
    font-size: 20px;
}
.qa .txt_que img, .qa .txt_ans img {
    margin: 0.5em 0;
}
.qa .col-md-10 {
    padding: 0;
}
.txt_ans {
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
}
.txt_ans {
    padding: 0;
}
.txt_area_ans {
    font-size: 20px;
}

}