/* リセットCSS */
* {
    list-style: none;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.accordion-container {
    margin: 10px auto 0;
    /*max-width: 300px;*/
    max-width: 90%;
    width: 90%;
}
.accordion-list:not(:first-child) {
    margin-top: 10px;
}
.accordion-title {
    background: #8db4ab;
    cursor: pointer;
    font-size: 16px;
    padding: 20px 40px;
    position: relative;
}
.accordion-title:before {
    position: absolute;
    content: '';
    top: 50%;
    right: 25px;
    height: 2px;
    width: 15px;
    background: #333;
    transform: rotate(90deg);
    transition: all .3s ease-in-out;
}
.accordion-title:after {
    position: absolute;
    content: '';
    top: 50%;
    right: 25px;
    height: 2px;
    width: 15px;
    background: #333;
    transition: all .3s ease-in-out;
}
.accordion-title.open:before {
    transform: rotate(180deg);
}
.accordion-title.open:after {
    opacity: 0;
}
.accordion-text {
    border-left: 1px solid #DDD;
    border-right: 1px solid #DDD;
    border-bottom: 1px solid #DDD;
    display: none;
    padding: 20px 40px;
}