.table_midashi{
    width:100%;
}
table.rekishi_table{
    width: 100%;
    border-collapse: separate;
    border-spacing: 0px;
    border-top: 1px solid #ccc;
    border-left: 1px solid #ccc;
}
table.rekishi_table th{
    white-space: nowrap;
    padding:10px;
    text-align: left;
    vertical-align: top;
    color: #444;
    background-color: #cee7ff;
    border-left: 3px double #999;
    border-top: 1px solid #fff;
    border-right: 1px solid #8fd2ed;
    border-bottom: 1px solid #ccc;
}
table.rekishi_table td {
    padding:10px;
    background-color: #fafafa;
    border-right: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
}