body,
html {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "M PLUS 1p", sans-serif;
}

.coming-soon {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.coming-soon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("./background.jpg") no-repeat center center/cover #2c3e50;
  filter: blur(3px);
  z-index: -1;
}

/* テキストスタイル */
.coming-soon h1 {
  font-size: 3em;
  color: #ffffff;
  z-index: 1;
  position: relative;
}