@media (min-width: 641px) {
    #talk_body dt, .info_taidan_txt dt {
        width: 27%;
        padding: 0 5% 0 0;
        font-weight: bold;
        text-align: right;
        box-sizing: border-box;
        line-height: 2em;
        letter-spacing: .1em;
        white-space: nowrap;
    }
}