tr.date {
    background-color: antiquewhite;
}
tr.top {
    background-color: lightgray;
}
tr.bottom {
    background-color: lightgray;
}
tr.yoyaku {
    background-color: lightcyan;
}
td {
    text-align: center;
    vertical-align: top;
}
td.left {
    background-color: beige;
    text-align: center;
    vertical-align: middle;
}
td.sum {
    background-color: aquamarine;
    text-align: center;
    vertical-align: middle;
}
td.hidariyose {
    text-align: left;
}