@font-face {
  font-family: 'Pretendard';
  src: url('/app/PretendardVariable.woff2') format('woff2-variations');
  font-weight: 45 920;
  font-display: swap;
}

:root {
  --paper: #f5f1e8;
  --paper-side: #ebe5d8;
  --ink: #1f1c18;
  --ink-2: #57514a;
  --ink-3: #8a8378;
  --line: #d8cfbd;
  --shu: #b5412a;
  --shu-ink: #fff8f0;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1c1b19;
    --paper-side: #161514;
    --ink: #ece5d6;
    --ink-2: #b6ae9f;
    --ink-3: #7f786c;
    --line: #34302b;
    --shu: #d9654b;
    --shu-ink: #1c1b19;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Pretendard', 'Malgun Gothic', 'Apple SD Gothic Neo', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 3rem;
}

main.narrow {
  max-width: 30rem;
}

.mark {
  display: inline-block;
  margin: 0 0 1.5rem;
  width: 2.75rem;
  height: 2.75rem;
  line-height: 2.75rem;
  text-align: center;
  font-size: 1.5rem;
  color: var(--shu-ink);
  background: var(--shu);
  border-radius: 4px;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.15rem;
  font-weight: 650;
  margin: 2.25rem 0 0.5rem;
}

p,
li {
  color: var(--ink-2);
}

a {
  color: var(--shu);
}

.lead {
  font-size: 1.15rem;
  color: var(--ink);
  margin: 0 0 2rem;
}

.start {
  display: inline-block;
  padding: 0.7rem 1.4rem;
  border: 1px solid var(--ink);
  border-radius: 4px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  text-decoration: none;
}

.start:hover {
  background: var(--shu);
  border-color: var(--shu);
  color: var(--shu-ink);
}

.features {
  list-style: none;
  padding: 0;
  margin: 3rem 0 0;
  border-top: 1px solid var(--line);
}

.features li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.features strong {
  display: block;
  color: var(--ink);
  font-weight: 650;
}

footer {
  max-width: 40rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  font-size: 0.875rem;
  color: var(--ink-3);
}

footer a {
  color: var(--ink-3);
  margin-right: 1.25rem;
}

.doc h2 {
  margin-top: 2rem;
}

.doc ul {
  padding-left: 1.25rem;
}

.small {
  font-size: 0.875rem;
  color: var(--ink-3);
}