:root {
  --bg: #f6f7f9;
  --ink: #1c2530;
  --navy: #1f3a5f;
  --navy-dark: #152944;
  --muted: #5d6b7a;
  --line: #d5dae1;
  --panel: #ffffff;
  --head: Georgia, "Times New Roman", serif;
  --body: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.6;
}

a { color: var(--navy); text-underline-offset: 3px; }
a:hover { color: var(--navy-dark); }
a:focus-visible { outline: 3px solid #4a7bbd; outline-offset: 2px; }

.wrap { max-width: 70rem; margin: 0 auto; padding: 0 1.25rem; }

header.site { background: var(--navy); color: #fff; }
header.site .wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.brand { color: #fff; text-decoration: none; }
.brand b { font-family: var(--head); font-size: 1.6rem; letter-spacing: 0.01em; }
.brand span { display: block; font-size: 0.85rem; color: #b9c8dc; margin-top: 0.1rem; }
nav a {
  color: #dce6f3;
  text-decoration: none;
  margin-left: 1.3rem;
  font-size: 1rem;
}
nav a:hover, nav a[aria-current="page"] { color: #fff; text-decoration: underline; text-underline-offset: 6px; }
header.site a:focus-visible { outline-color: #fff; }

.intro { border-bottom: 1px solid var(--line); background: #fff; }
.intro .wrap { padding-top: 2.6rem; padding-bottom: 2.4rem; }
h1, h2, h3 { font-family: var(--head); line-height: 1.2; color: var(--navy-dark); }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); margin: 0 0 0.8rem; max-width: 46rem; }
.lede { font-size: 1.2rem; color: var(--muted); max-width: 44rem; margin: 0; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 20rem;
  gap: 3rem;
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}
article h2 { font-size: 1.7rem; margin: 2.2rem 0 0.8rem; }
article h2:first-child { margin-top: 0; }
article h3 { font-size: 1.2rem; margin: 1.4rem 0 0.3rem; }
article p { margin: 0 0 1rem; max-width: 42rem; }
article ul { padding-left: 1.2rem; max-width: 42rem; }
article li { margin-bottom: 0.5rem; }
.position {
  border-left: 4px solid var(--navy);
  background: #fff;
  padding: 0.9rem 1.2rem;
  margin: 1.2rem 0;
  max-width: 42rem;
}

aside { border-left: 1px solid var(--line); padding-left: 2rem; }
aside h2 { font-size: 1.35rem; margin: 0 0 0.8rem; }

.feed { list-style: none; margin: 0; padding: 0; }
.feed li { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
.feed time { display: block; font-size: 0.82rem; color: var(--muted); }
.feed a { display: block; font-weight: 600; text-decoration: none; color: var(--ink); line-height: 1.35; }
.feed a:hover { color: var(--navy); text-decoration: underline; }
.feed .src { font-size: 0.82rem; color: var(--muted); }
.stamp { font-size: 0.85rem; color: var(--muted); margin: 0.8rem 0 0; }
.empty { color: var(--muted); }

.page { padding-top: 2.5rem; padding-bottom: 3rem; max-width: 46rem; }
.page h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); }
.page .feed a { font-size: 1.1rem; }

footer.site { border-top: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 0.92rem; }
footer.site .wrap { padding-top: 1.4rem; padding-bottom: 1.8rem; }
footer.site p { margin: 0 0 0.4rem; max-width: 52rem; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; gap: 2rem; }
  aside { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 1.5rem; }
  header.site .wrap { flex-direction: column; gap: 0.6rem; }
  nav a { margin: 0 1rem 0 0; }
}