html {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #222;
  background: #fff;
}

body {
  max-width: 38rem;
  margin: 2rem auto;
  padding: 0 1rem;
}

.site-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid #eee;
  padding-bottom: 1rem;
}

.site-header__title {
  margin: 0;
  font-size: 1.5rem;
}

.site-header__title-link {
  color: inherit;
  text-decoration: none;
}

.site-header__tagline {
  margin: 0.25rem 0 0;
  color: #666;
  font-style: italic;
}

.breadcrumb {
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

a {
  color: #0366d6;
}

a:hover {
  color: #024ea4;
}

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

.post-list__item {
  margin-bottom: 0.5rem;
}

.post-list__date {
  display: inline-block;
  width: 6.5rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
}

.post__date {
  display: block;
  color: #666;
  margin-bottom: 1.5rem;
}

pre, code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95em;
}

pre {
  background: #f6f8fa;
  padding: 0.75rem 1rem;
  overflow-x: auto;
}

code {
  background: #f6f8fa;
  padding: 0.1em 0.3em;
}

pre code {
  background: none;
  padding: 0;
}

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