/* カスタム CSS をここに入力してください */

.sample-box-12 {
    border: 4px solid #82636b;
    border-radius: 240px 15px 185px 15px / 15px 200px 15px 185px;
    margin: 2em 0;
    padding: 2em;
}

.sample-box-11 {
    background-color: #fff;
    margin: 2em 0;
    padding: 2em;
    position: relative;
    z-index: 1;
}
.sample-box-11::before,
.sample-box-11::after {
    border-radius: 4px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, .3);
    content: "";
    height: 100%;
    position: absolute;
    width: 100%;
}
.sample-box-11::before {
    background-color: rgba(255, 255, 255, .5);
    left: 0;
    top: 0;
    z-index: -1;
}
.sample-box-11::after {
    background-color: #a4f5c8;
    top: 5px;
    left: 5px;
    z-index: -2;
}