:root {
  --bg: #f3eee4;
  --ink: #1b1814;
  --muted: #6f675c;
  --line: #d8cfc1;
  --accent: #8f3b2f;
  --font-sans: "Avenir Next", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Iowan Old Style", Palatino, "Songti SC", "Noto Serif SC", "Source Han Serif SC", serif;
  --max: 40rem;
}

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

html {
  background: var(--bg);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: var(--font-serif);
  background:
    radial-gradient(1200px 400px at 10% -10%, #faf6ee 0%, transparent 55%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent);
}

.wrap {
  width: min(calc(100% - 2.4rem), var(--max));
  margin: 0 auto;
  padding: 1.6rem 0 4rem;
}

.site-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.mark {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.mark:hover {
  color: var(--ink);
}

nav {
  display: flex;
  gap: 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

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

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

nav a[aria-current="page"] {
  box-shadow: inset 0 -1px 0 var(--ink);
}

main {
  padding-top: 2.4rem;
}

.kicker {
  margin: 0 0 0.45rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0 0 1.1rem;
  font-size: 1.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.empty {
  margin: 0;
  color: var(--muted);
  max-width: 22em;
}

.site-footer {
  margin-top: 4.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

@media (max-width: 640px) {
  html {
    font-size: 17px;
  }

  .wrap {
    width: min(calc(100% - 1.6rem), var(--max));
    padding-top: 1.2rem;
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.85rem;
  }

  nav {
    gap: 0.95rem;
    flex-wrap: wrap;
  }
}