body {
  font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "MS ゴシック", "MS Gothic", sans-serif;
}