* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: #fff;
  color: #111;
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    "Hiragino Kaku Gothic ProN",
    "Hiragino Sans",
    "Yu Gothic",
    YuGothic,
    Arial,
    sans-serif;
}

.site {
  min-height: calc(100vh - 72px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 600;
  letter-spacing: 0.08em;
}

.en {
  margin: 12px 0 0;
  font-size: 14px;
  letter-spacing: 0.18em;
}

.description {
  margin: 40px 0 0;
  font-size: 14px;
  line-height: 1.9;
}

.youtube {
  margin-top: 28px;
  color: inherit;
  font-size: 14px;
  text-underline-offset: 4px;
}

footer {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  font-size: 11px;
  letter-spacing: 0.08em;
}