.answer { font-size: 12px; line-height: 20px }
.back { font-weight: bold; font-size: 10px; line-height: 12px; font-family: "ＭＳ Ｐゴシック", Osaka }
.copy { font-size: 10px; line-height: 12px; font-family: "ＭＳ Ｐゴシック", Osaka }
.question { font-weight: bold; font-size: 14px; line-height: 24px; font-family: "ＭＳ Ｐゴシック", Osaka }