/* 必須ラベル。 */
.bbs-required-label > .mud-input-control-input-container > .mud-input-label::before {
    content: "*";
    margin-right: 4px;
    color: red;
}
/* 必須ラベル。ピッカー用。 */
.bbs-required-label-picker > .mud-input-control > .mud-input-control-input-container > .mud-input-label::before {
    content: "*";
    margin-right: 4px;
    color: red;
}