@view-transition {
  navigation: auto;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scrollbar-gutter: stable;
  font-family:
    "Hiragino Kaku Gothic ProN",
    "Noto Sans JP",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: #333;
  background: #fff;
}

body {
  max-width: 48rem;
  margin: 0 auto;
  padding: 2rem 1rem;
}

header nav {
  view-transition-name: nav;
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #eee;
}

header nav a {
  color: #1a1a1a;
  text-decoration: none;
  font-weight: 500;
}

header nav a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

time {
  color: #666;
  font-size: 0.875rem;
}

nav ul,
.post-list {
  list-style: none;
}

.post-list li {
  margin-bottom: 0.5rem;
}

.post-list li a {
  color: #1a1a1a;
  text-decoration: none;
}

.post-list li a:hover {
  text-decoration: underline;
}

img.source-badge {
  display: inline-block;
  height: 0.75em;
  width: auto;
  margin-right: 0.3rem;
  vertical-align: baseline;
}

article ul:not(.tags) {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

article ol {
  list-style: decimal;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

article li:not(.tags li) {
  margin-bottom: 0.25rem;
}

article header {
  margin-bottom: 2rem;
}

article .tags {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding-left: 0;
}

article .tags li {
  font-size: 0.75rem;
  color: #666;
  background: #f5f5f5;
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
}

pre {
  background: #f5f5f5;
  padding: 1rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.875em;
}

p {
  margin-bottom: 1rem;
}

a {
  color: #0066cc;
}

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