:root {
  color-scheme: light;
  --ink: #3c3c3c;
  --muted: #9c9c9c;
  --line: #d8d8d4;
  --paper: #fbfbf8;
  --white: #fff;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: #666;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.125rem;
  line-height: 1.65;
}

a {
  color: var(--ink);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover {
  color: #000;
}

a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 4px;
}

.site-header,
main,
footer {
  width: min(68rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

.site-header {
  padding-block: 2.5rem 1.5rem;
}

.site-header a {
  display: inline-block;
}

.logo {
  display: block;
  width: 10.375rem;
  height: auto;
}

.introduction {
  max-width: 43rem;
  padding-block: 0.5rem 3.5rem;
}

.status {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-transform: uppercase;
}

h1,
h2 {
  color: var(--ink);
  font-weight: 400;
  line-height: 1.15;
}

h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2.1rem, 6vw, 3.8rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.7rem, 4vw, 2.4rem);
}

p {
  margin: 0 0 1.25rem;
}

.notice {
  color: var(--ink);
  font-size: 1.25rem;
}

.screenshots {
  padding-block: 0 4rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

figure {
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--line);
  background: var(--white);
}

figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #ededeb;
}

figcaption {
  padding: 0.75rem 0.25rem 0.15rem;
  color: #777;
  font-size: 0.92rem;
  line-height: 1.4;
}

footer {
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
  color: #777;
  font-size: 0.9rem;
}

@media (max-width: 700px) {
  .site-header {
    padding-top: 1.5rem;
  }

  .introduction {
    padding-bottom: 2.5rem;
  }

  .screenshot-grid {
    grid-template-columns: 1fr;
  }
}