:root {
  --bg: #fafafa;
  --text: #1c1c1e;
  --muted: #6e6e73;
  --border: #e5e5ea;
  --accent: #0066cc;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 96px 24px;
}

header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 32px;
}

.site-title {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.1rem;
  margin-bottom: 28px;
}

.focus-block {
  margin-bottom: 32px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 10px;
}

.focus-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.focus-list li {
  position: relative;
  padding-left: 16px;
}

.focus-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--muted);
}

a {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--muted);
  transition: text-decoration-color 0.15s ease, color 0.15s ease;
}

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

.links {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.links .sep {
  color: var(--muted);
  user-select: none;
}

@media (max-width: 480px) {
  .container {
    padding: 48px 20px;
  }
}