:root {
  color-scheme: light;
  --background: #fff;
  --text: #2f2f2f;
  --muted: #707070;
  --line: #d8d8d8;
  --link: #0000ee;
  --measure: 680px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  padding: 32px 24px 56px;
  color: var(--text);
  background: var(--background);
  font-family: "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 15px;
  line-height: 1.7;
}

.site-header,
main,
.site-footer {
  width: 100%;
  max-width: var(--measure);
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.site-header a {
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 18px;
}

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

main {
  padding: 48px 0 24px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 7vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

.intro,
.article-summary {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.post-list {
  margin: 40px 0 0;
  padding: 0;
  list-style: none;
}

.post-list li {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.post-list h2 {
  margin: 0 0 4px;
  font-size: 19px;
  line-height: 1.4;
}

.post-list p {
  margin: 8px 0 0;
}

.post-list time,
.article-meta {
  color: var(--muted);
  font-size: 13px;
}

.article-header {
  margin-bottom: 42px;
}

.article-meta {
  margin: 0 0 14px;
}

.article-body p {
  margin: 0 0 24px;
}

.sequence {
  margin: 34px 0;
  padding: 22px;
  border-left: 3px solid var(--text);
  background: #f6f6f6;
  line-height: 1.9;
}

blockquote {
  margin: 30px 0;
  padding-left: 20px;
  border-left: 2px solid var(--line);
  font-size: 17px;
}

blockquote p {
  margin-bottom: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

pre {
  overflow-x: auto;
  padding: 18px;
  background: #f6f6f6;
  border: 1px solid var(--line);
}

code {
  font: inherit;
}

.site-footer {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 560px) {
  body {
    padding: 22px 18px 40px;
    font-size: 14px;
  }

  main {
    padding-top: 36px;
  }

  .site-header {
    align-items: baseline;
  }

  .sequence {
    padding: 18px;
  }
}