.mid { font-size: 0.95em; line-height: 150%; }
.small { color: #696969; font-size: 0.75em; line-height: 150%; }
.waku { margin-top: 10px; margin-bottom: 20px; border-color: silver; border-style: solid; border-width: 2px 2px 1px; }
.left { background-color: #f5f5f5; text-align: center; border-bottom: 1px solid silver; border-right: 1px solid silver; }
.center { text-align: center; border-right: 1px solid silver; border-bottom: 1px solid silver; }
.right { border-bottom: 1px solid silver; }