.tbl_hikaku_hdd { border-collapse:collapse}
.tbl_hikaku_hdd th { border:1px solid #c3141c; padding:0.3em; font-size:75%; text-align:center}
.tbl_hikaku_hdd td { border:1px solid #c3141c; padding:0.3em; font-size:75%}
.bb { background:#f8eaeb}
.tbl_hikaku_option { border-collapse:collapse}
.tbl_hikaku_option th { border:1px solid #bbb; padding:0.3em 1em; font-size:75%; font-weight:normal}
.tbl_hikaku_option td { border:1px solid #bbb; padding:0.3em 1em; font-size:75%}