@charset "UTF-8";
html, body 
{
  height: 100%;
  margin: 0;
}
body {
  display: flex;
  justify-content: center; /* 横中央 */
  align-items: center;     /* 縦中央 */
  text-align: center;
  background-color: #FFFFFF
}
.message {
  font-family: "Yu Gothic Medium", "游ゴシック Medium", "Yu Gothic", "游ゴシック", sans-serif;
  color: #333333;
  font-size: 22pt;
  padding: 20px;
}
@media screen and (max-width: 768px) {
  .message {
    font-size: 14pt;
  }
}