html{
  background: #F2F2F2;  
  background-image: url(images/back_gray.png);
  background-position: center 63px;
  background-repeat: no-repeat;
  -ms-touch-action : pan-y ; /* for *IE10 */
	touch-action : pan-y ;
  font-family:
  "メイリオ", Meiryo,
  "ヒラギノ角ゴ Pro W3",
  "HIragino Kaku Gothic Pro W3",
  "HIragino Kaku Gothic Pro",
  Osaka,
  "ＭＳ Ｐゴシック", "MS P Gothic",
  sans-serif;
}