@charset "UTF-8";

.open-box {
    position: relative;
}

input[type="checkbox"].on-off {
    position: absolute;
    top: 50%;
    display: block;
    opacity: 0;
}

.open-label {
    font-size: .8rem;
    display: block;
    color: #333;
    font-weight: bold;
    text-align: center;
    background: #fff;
    position: relative;
    bottom: 0;
    padding: 1rem 0;
    width: 100%;
}

.open-label:active {
    box-shadow: 0 0 0 0;
}

.open-label::after {
    content: 'もっと見る';
}

.on-off:checked~.open-label::after {
    content: '閉じる';
}

.open {
    border-radius: 8px;
    height: 290px;
    overflow: hidden;
    transition: .5s;
    position: relative;
}

.on-off:checked~.open {
    height: auto;
}

.open::before {
    content: '';
    position: absolute;
    top: 290px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
}

.on-off:checked~.open::before {
    background: none;
    z-index: -1;
}