:root {
  --bg: #f5f5f3;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #667085;
  --border: #e5e7eb;
  --link: #1f2933;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  font-family: "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
  color: var(--text);
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  line-height: 1.6;
}

.page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 18px;
}

.card {
  width: 100%;
  max-width: 820px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 42px;
}

.header {
  margin-bottom: 28px;
}

.kicker {
  margin: 0 0 10px;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

h2 {
  margin-top: 34px;
  margin-bottom: 10px;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

p {
  margin: 0 0 16px;
}

ul {
  margin-top: 0;
  padding-left: 1.3rem;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}

.nav a {
  font-weight: 600;
}

.notice {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

.meta {
  color: var(--muted);
}

@media (max-width: 640px) {
  .page {
    align-items: flex-start;
    padding-top: 18px;
  }

  .card {
    padding: 28px 22px;
    border-radius: 18px;
  }
}