html,
body {
  height: 100%;
}
body{
  margin:0px;
  padding:0px;
  background:url(/images/bg.jpg);
}
header{
  background-color: white;
  height:63.5px;
  padding: 0px;
  width: 100%;
}
header > div{
  background-color:white;
  height:100%;
  width:350.5px;
  margin: 0 auto;
  background-image: url(/images/header.jpg);
  background-repeat: no-repeat;
  background-size: 350.5px 63.5px;
}
div.message {
  font-family: 游ゴシック体, 'Yu Gothic', YuGothic, 'ヒラギノ角ゴシック Pro', 'Hiragino Kaku Gothic Pro', メイリオ, Meiryo, Osaka, 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
  background-color: rgba(255,255,255,0.5);
  width:80%;
  margin : 30px 10%;
  font-size : 2.5em;
}
.panel {
  background-color: rgba(0,0,0,0);
  border: none;
}