:root {
  --primary: #0a5a72;
  --bg: #f4f6f8;
  --text: #17262d;
  --muted: #3f5560;
  --card: #ffffff;
  --border: #d5dde2;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--primary); }
a:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }
header, main, footer { max-width: 44rem; margin: 0 auto; padding: 1rem 1.25rem; }
header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; }
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; font-size: 1.4rem; color: var(--primary); text-decoration: none; }
.brand img { height: 2.25rem; width: auto; }
nav a { margin-left: 1rem; }
h1 { font-size: 2rem; line-height: 1.2; color: var(--primary); margin: 1.5rem 0 0.5rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.5rem; }
.lead { font-size: 1.15rem; color: var(--muted); }
.badge { display: inline-block; background: var(--primary); color: #fff; border-radius: 999px; padding: 0.15rem 0.8rem; font-size: 0.9rem; font-weight: 600; }
.notice { background: #fff4d6; border: 1px solid #b58105; color: #4a3500; border-radius: 0.5rem; padding: 0.75rem 1rem; font-weight: 600; }
ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }
footer { color: var(--muted); font-size: 0.9rem; border-top: 1px solid var(--border); margin-top: 2rem; }