.font-gothic {
  font-family: "Hiragino Sans W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif !important;
}

@media screen and (max-width: 750px) {
  .font-gothic {
    font-size :1.7rem !important;
  }
}