html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-family: a-otf-ryumin-pr6n, serif;
  -webkit-text-size-adjust: 100%; }

body {
  min-width: 100%;
  overflow-x: hidden;
  color: #222;
  background: #fff; }

footer, header, nav {
  display: block; }

/*********font*********/
@font-face {
  font-family: "OPTICopperplate";
  src: url("../font/OPTICopperplate.woff") format("woff"), url("../font/OPTICopperplate.ttf") format("truetype");
  /* Safari, Android, iOS */ }