:root {
  --main-color: #0099cc;

  --small-font-size: 1.2rem;
  --medium-font-size: 1.6rem;
  --large-font-size: 1.8rem;
  --extra-large-font-size: 2.2rem;
  --little-huge-font-size: 4rem;
  --huge-font-size: 6.4rem;
}

html {
  font-size: 62.5%;
}

body {
  background: #000;
  color: #fff;
  font-family: Inter, "source-han-sans-japanese", sans-serif;
  font-size: var(--medium-font-size);
  line-height: 1.25;
}

a {
  color: #fff;
}