@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@100..900&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Mono:wght@100..900&display=swap");

:root {
  box-sizing: border-box;
  font-size: 16px;
  font-weight: 300;
  line-height: 1.5rem;
  --fg-color: #000;
  --bg-color: #fff;
  --logo-size: 2rem;
}

html {
  height: 100%;
}

body {
  width: 100%;
  max-width: 80ch;
  min-height: 100%;
  margin: 0 auto;
  padding: 1rem;
  background: var(--bg-color);
  color: var(--fg-color);
  font-family: "Noto Sans Mono", monospace;
}

header {
  margin-bottom: 2rem;
}

footer {
  margin-top: 2rem;
  font-size: 80%;
  opacity: 0.5;
}

h1 h2 h3 h4 h5 h6 {
  font-weight: 800;
}

.logo {
  height: var(--logo-size);
  display: inline-block;
  margin-bottom: -0.2rem;
}

header h1 {
  font-size: calc(var(--logo-size) / 3 * 2);
}

header h2 {
  font-size: var(--logo-size);
}

a {
  color: blue;
}

header a {
  text-decoration: none;
  color: var(--fg-color);
}

p,
img {
  max-width: 100%;
}

footer a {
  color: var(--fg-color);
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg-color: #fff;
    --bg-color: #000;
  }
  .logo {
    filter: invert(100%);
  }
  a {
    color: lime;
  }
}