@charset "utf-8";

.accordion_btn:not([open]) {
    margin-bottom: 7px;
}

.accordion_btn summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 1em 2em;
    border-radius: 8px;
    border:solid 1px #0068b6;
    color: #0068b6;
	font-size: 16px;
	font-weight: 700;
    cursor: pointer;
}

.accordion_btn summary::-webkit-details-marker {
    display: none;
}

.accordion_btn summary::after {
    transform: translateY(-25%) rotate(45deg);
    width: 10px;
    height: 10px;
    margin-left: 10px;
    border-bottom: 3px solid #0068b6;
    border-right: 3px solid #0068b6;
    content: '';
    transition: transform .5s;
}

.accordion_btn[open] summary::after {
    transform: rotate(225deg);
}

.accordion_btn[open] summary {
    background-color: #f0f8ff;
/*    background-color: #dbefff;
*/}

.accordion_btn summary .ic_news::before {
    content: '';
    display: inline-block;
    background-image: url(/img/common/news-icon.png);
    background-size: cover;
    background-repeat: no-repeat;
    width: 20px;
    height: 20px;
    margin-right: 0.8em;
    vertical-align: middle;
}