body {
  background-color: #FFF;
  text-align: center;
  }
#wrapper {
  margin-left:auto;
  margin-right:auto;
  width: 722px;
  }
#header {
  margin-bottom: 16px;
  width: 722px;
  }
  #footer {
  margin-top: 0px;
  text-align: center;
  font-size: 12px;
  font-family: osaka,"MS Pゴシック",sans-serif;
 
  }
#nav a{
  text-decoration :none;
  font-size: 16px;
  font-family: osaka,"MS Pゴシック",sans-serif;
  }