:root {
  color-scheme: light;
  --background: #fffffb;
  --text: #1f1f1d;
  --muted: #6b675f;
  --rule: #ded9cd;
  --link: #245f9f;
  --link-hover: #17436f;
  --measure: 680px;
  --font-body: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.58;
}

a {
  color: var(--link);
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.14em;
}

a:hover,
a:focus-visible {
  color: var(--link-hover);
}

.page {
  width: min(var(--measure), calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 44px;
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.3;
}

.site-title {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 16px;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover,
.site-header nav a:focus-visible {
  color: var(--text);
  text-decoration: underline;
}

.intro {
  margin-bottom: 42px;
}

.intro p:first-child {
  margin-top: 0;
}

p {
  margin: 0 0 18px;
}

h1,
h2,
h3 {
  font-family: var(--font-ui);
  line-height: 1.2;
}

h1 {
  margin: 0 0 18px;
  font-size: 34px;
  letter-spacing: 0;
}

h2 {
  margin: 32px 0 10px;
  font-size: 19px;
}

h3 {
  margin: 26px 0 8px;
  font-size: 17px;
}

.link-section {
  margin: 0 0 28px;
}

.link-list,
.archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.link-list li,
.archive-list li {
  margin: 7px 0;
}

.archive-list li {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
}

.date,
.meta,
footer,
.separator {
  color: var(--muted);
}

.date,
.meta,
footer {
  font-family: var(--font-ui);
  font-size: 14px;
}

.post-header {
  margin-bottom: 30px;
}

.post-header h1 {
  margin-bottom: 8px;
}

.post-body {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}

.post-body ul {
  margin: 0 0 18px 22px;
  padding: 0;
}

.post-body li {
  margin: 6px 0;
}

.note {
  color: var(--muted);
}

.backlink {
  margin-top: 24px;
  font-family: var(--font-ui);
  font-size: 14px;
}

footer {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}

footer p {
  margin: 0;
}

@media (max-width: 560px) {
  html {
    font-size: 16px;
  }

  .page {
    width: min(100% - 28px, var(--measure));
    padding-top: 24px;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 34px;
  }

  .archive-list li {
    display: block;
    margin: 12px 0;
  }

  .date {
    display: block;
  }
}