table {
    table-layout: fixed;
    border-collapse: collapse;
}

.table-fixed th:first-child, .table-fixed td:first-child {
    position: sticky; 
    left: 0;
  }


tr:nth-child(1){                /* １行目の設定 */
    text-align: center;         /* 文字中央 */
    font-weight: bold;          /* 太字 */
    background-color:antiquewhite;   /* 背景色 */
}

td {
    padding:5;                  /* 余白 */
    border: 1px solid #676666ca;   /* 罫線 */
}



table tr td:nth-of-type(1){
    white-space: pre;
    text-align: center;
    padding: 2px 5px;
  }
table tr td:nth-of-type(2){
  white-space: pre;
  padding: 2px 5px;
}

table tr td:nth-of-type(3){
  white-space: pre;
  padding: 2px 5px;
}

table tr td:nth-of-type(4){
    white-space: pre-line;
    padding: 2px 5px;
  }