/* 表の１行目：背景黒・白文字 */
.wp-block-sbd-table table tr:first-child td,
.wp-block-sbd-table table tr:first-child td * {
  background: #8b6f47 !important;
  background-color: #444444 !important;
  color: #ffffff !important;
  font-weight: bold !important;
}

/* SBD表：1列目だけ背景色をつける */
.wp-block-sbd-table table tr td:first-child {
  background-color: #f3ead7 !important;
  color: #333333 !important;
  font-weight: 600;
}
/* 追加CSSをここに入力してください */