* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 24px;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color: #000;
  background: #fff;
  line-height: 1.6;
}

.maintenance {
  text-align: center;
}

.title {
  color: green;
}

.message,
.company {
  text-align: center;
}

.company a {
  color: inherit;
  text-decoration: none;
}