body {
  background-color: black;
  color: white;
  font-family: HiraKaku;
  text-align: center;
}

hint{
  background-color: black;
  color: black;
}

        @font-face {
            font-family: 'HiraKaku';
            src: url('HiraKakuStd-W8.otf') format('opentype');
        }