html {
  height: 100%;
  font-size: 62.5% !important;
  -webkit-text-size-adjust: 100%;
}

body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", Meiryo,
    メイリオ, "游ゴシック Medium", "MS PGothic", arial, helvetica, sans-serif;
  font-size: 1.6rem;
  color: #666;
  line-height: 1.7;
  letter-spacing: 0.7px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "kern", "liga", "clig", "calt";
  text-rendering: optimizeSpeed;
  user-select: auto;
}

textarea,
button {
  font-family: "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", Meiryo,
    メイリオ, "游ゴシック Medium", "MS PGothic", arial, helvetica, sans-serif;
}
#root {
  height: 100%;
}