html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  touch-action: manipulation;
  font-family: Verdana, Roboto, "Droid Sans", "游ゴシック", YuGothic, "メイリオ", Meiryo, "ＭＳ Ｐゴシック",
    "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", sans-serif;
}

div#base {
  position: fixed;
  transform-origin: left top;

  /* loadイベント時に動的に再設定されます */
  width: 100%;
  height: auto;
}

.touchTrg {
  -ms-touch-action: none; /* for *IE10 */
  touch-action: none;
}