*,
:before,
:after {
  box-sizing: border-box;
  border: 0 solid;
}

html,
:host {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  font-feature-settings: normal;
  font-variation-settings: normal;
  -webkit-tap-highlight-color: transparent;
  font-family: Arial, メイリオ, Meiryo, ui-sans, system-ui, sans-serif;
  line-height: 1.5;
}

body {
  line-height: inherit;
  margin: 0;
  color: #222;
  background-color: #f2f2f7;
  min-height: 100%;
  line-height: 1.2;
}

blockquote,
dl,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
figure,
p,
pre {
  margin: 0;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  vertical-align: middle;
  display: block;
}

img,
video {
  max-width: 100%;
  height: auto;
}

.header {
  display: flex;
  align-items: center;
  background-color: #fff;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
  padding-top: 10px;
  padding-bottom: 10px;
  box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.25);
}

.header__heading {
  margin: 0;
}

.header__logo-image {
  color: transparent;
}

.main-content {
  display: flex;
  height: 90vh;
  align-items: center;
  justify-content: center;
}

.main-content__card {
  display: flex;
  width: 480px;
  flex-direction: column;
  align-items: center;
  border-radius: 1rem;
  background-color: #fff;
  padding: 2rem;
  text-align: center;
}

.main-content__title {
  font-size: 20px;
  padding-bottom: 30px;
  color: rgb(244 63 94);
}

.main-content__image {
  color: transparent;
}

.main-content__message {
  padding-top: 30px;
}
.main-content__maintenance {
  border-radius: 4px;
  border: 1px solid #a3a3a3;
  height: 48px;
  width: 416px;
  padding-top: 8px;
  padding-bottom: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 700;
  font-size: 20px;
  margin-top: 16px;
  margin-bottom: 16px;
}