:root {
  color-scheme: light;
  --paper: #fff;
  --ink: #171717;
  --quiet: #6a6a6a;
  --rule: #ececec;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(38rem, calc(100% - 3rem));
  margin: 0 auto;
}

header {
  border-bottom: 1px solid var(--rule);
}

header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.35rem 0;
}

.mark {
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  text-decoration: none;
}

nav a {
  color: #444;
  font-size: 0.94rem;
  text-decoration: none;
}

nav a[aria-current="page"],
nav a:hover,
.mark:hover {
  color: var(--ink);
}

article {
  padding: 3.75rem 0 6rem;
}

article.home {
  padding-top: 5rem;
}

h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.85rem, 6.5vw, 2.55rem);
  font-weight: 600;
  letter-spacing: -0.038em;
  line-height: 1.15;
  overflow-wrap: break-word;
  text-wrap: balance;
}

.updated {
  margin: 0 0 3rem;
  color: var(--quiet);
  font-size: 0.94rem;
}

h2 {
  margin: 2.85rem 0 0.5rem;
  font-size: 1.06rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

p {
  margin: 0 0 1rem;
}

.home p {
  color: var(--quiet);
  font-size: 1.05rem;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

@media print {
  header {
    border: 0;
  }

  a[href^="http"]::after,
  a[href^="mailto"]::after {
    content: none;
  }
}