:root {
  color-scheme: light;
  --paper: #fffaf2;
  --surface: #ffffff;
  --ink: #222428;
  --muted: #5c6470;
  --line: #e7ded1;
  --rose: #df5f67;
  --green: #247e6b;
  --blue: #2d6cdf;
  --yellow: #f2b84b;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

body {
  margin: 0;
}

a {
  color: var(--blue);
  font-weight: 700;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.skip-link {
  background: var(--ink);
  color: var(--surface);
  left: 1rem;
  padding: 0.6rem 0.9rem;
  position: absolute;
  top: -4rem;
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.content,
.site-footer {
  margin: 0 auto;
  max-width: 960px;
  padding: 0 1.2rem;
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  align-items: center;
  color: var(--ink);
  display: inline-flex;
  gap: 0.75rem;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  height: 44px;
  width: 44px;
}

.brand-name {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.2;
}

.brand-note {
  color: var(--muted);
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
}

.nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  justify-content: flex-end;
}

.nav a {
  color: var(--ink);
  font-size: 0.95rem;
}

.hero {
  display: grid;
  gap: 1.5rem;
  padding: 3rem 0 2rem;
}

.eyebrow {
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: 0;
  line-height: 1.16;
  margin: 0;
}

h2 {
  font-size: 1.35rem;
  letter-spacing: 0;
  line-height: 1.3;
  margin: 0 0 0.7rem;
}

h3 {
  font-size: 1rem;
  letter-spacing: 0;
  margin: 0 0 0.25rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.button {
  align-items: center;
  background: var(--ink);
  border: 2px solid var(--ink);
  border-radius: 8px;
  color: var(--surface);
  display: inline-flex;
  min-height: 44px;
  padding: 0.55rem 0.95rem;
  text-decoration: none;
}

.button.secondary {
  background: var(--surface);
  color: var(--ink);
}

.section {
  padding: 1.5rem 0;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem;
}

.card strong {
  color: var(--green);
}

.accent-bar {
  background: linear-gradient(90deg, var(--rose), var(--yellow), var(--green), var(--blue));
  border-radius: 999px;
  height: 6px;
  margin: 0 0 1rem;
  width: 100%;
}

.list {
  margin: 0;
  padding-left: 1.2rem;
}

.list li + li {
  margin-top: 0.5rem;
}

.notice {
  background: #fff3dc;
  border: 1px solid #f0c46f;
  border-radius: 8px;
  padding: 1rem;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 2rem;
  padding-bottom: 2rem;
  padding-top: 1.3rem;
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 1rem;
    padding-top: 1rem;
  }

  .nav {
    justify-content: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2rem;
  }
}
