* {
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  max-width: 650px;
  margin: 0 auto;
  padding: 2rem 1rem;
  color: #333;
}

h1 {
  margin-bottom: 0.5rem;
}

a {
  color: #0066cc;
}

a:hover {
  color: #004499;
}

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

.post-list li {
  margin: 1rem 0;
}

.post-date {
  color: #666;
  font-size: 0.9rem;
}

article {
  margin-top: 2rem;
}

article img {
  max-width: 100%;
}

code {
  background: #f4f4f4;
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  background: #f4f4f4;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
}

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