.ttsd_qa-wrap {
    border: 1px solid #707070;
    border-radius: 3px;
    margin: 0 0 5px 0;
}
.ttsd_qa-summary {
    font-weight: bold;
    box-sizing: border-box;
    padding: 12px 30px 12px 12px;
    margin: 0;
    position: relative;
    cursor: pointer;
    border-bottom: 0;
    font-size: 16px;
    line-height: 1.6;
}
p.ttsd_qa-summary {
    margin-bottom: 0;
}
@media (max-width: 480px) {
    .ttsd_qa-summary {
        font-size: 1.4rem;
    }
}
.ttsd_qa-summary::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin: 0 10px;
    border-bottom: 2px solid #707070;
    border-right: 2px solid #707070;
    transform: rotate(45deg);
    position: absolute;
    top: 16px;
    right: 0;
}
.ttsd_qa-wrap.show .ttsd_qa-summary::after {
    transform: rotate(-135deg);
    top: 20px;
}
.ttsd_qa-detail {
    display: none;
    background: #f1f1f1;
    padding: 15px 12px;
    line-height: 150%;
}
.post-contents .ttsd_qa-summary h3 {
    font-size: 16px;
    line-height: 1.6;
    border: 0;
    margin: 0;
    padding: 0;
}
.post-contents .ttsd_qa-detail h3  {
    border-left: 0;
    border-bottom: solid 1px #707070;
    text-align: left;
    padding: 10px;
    font-size: 16px;
}