html {
  background: #fafaf7;
  color: #1a1a1a;
}

body {
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", "Noto Sans CJK JP", sans-serif;
  font-weight: 300;
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  max-width: 640px;
  margin: 0 auto;
  padding: 3em 20px;
}

@media (min-width: 640px) {
  body {
    padding: 4em 24px;
  }
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
}

a:visited {
  color: inherit;
}

a:hover {
  opacity: 0.7;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
  line-height: 1.5;
}

h1 {
  font-size: 1.4em;
  font-weight: 700;
  margin: 2em 0 1em;
}

h2 {
  font-size: 1.15em;
  font-weight: 700;
  margin: 2.5em 0 1em;
}

h3 {
  font-size: 1em;
  font-weight: 700;
  margin: 2em 0 0.8em;
}

p {
  margin: 0 0 1.5em;
}

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

figure {
  margin: 0 0 1.5em;
}

figcaption {
  margin-top: 0.5em;
  font-size: 0.85em;
  color: #666;
  line-height: 1.5;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.5em;
  font-size: 0.95em;
}

th, td {
  text-align: left;
  padding: 0.5em 0.75em;
  border-bottom: 1px solid #ddd;
}

th {
  font-weight: 400;
  border-bottom-color: #999;
}

ul, ol {
  padding-left: 1.5em;
  margin: 0 0 1.5em;
}

blockquote {
  margin: 0 0 1.5em 1em;
  padding-left: 1em;
  border-left: 1px solid #ccc;
}

time {
  color: #666;
  font-size: 0.9em;
}

.site-header {
  margin-bottom: 3em;
  font-size: 0.95em;
}

.site-footer {
  margin-top: 4em;
  font-size: 0.9em;
  color: #666;
}

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

.post-list li {
  margin: 0 0 0.6em;
  display: flex;
  gap: 1em;
}

.post-list time {
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}