table.spec{width:100%; border-collapse:collapse; max-width:900px}
table.spec th, table.spec td{border:1px solid #e6e6e6; padding:12px; text-align:left; vertical-align:top}
table.spec th{width:30%; background:#fafafa}
.example{ color:#444}
@media (max-width:520px){table.spec th{width:40%}}
#tokushoho { padding-top: 1em;}