* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #f8fafc;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.card {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

h1 {
  margin: 0 0 8px;
  font-size: 1.9rem;
  line-height: 1.2;
}

.subtitle {
  margin: 0 0 12px;
  color: #64748b;
  font-size: 1rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 24px;
  color: #475569;
  font-size: 0.92rem;
}

.meta span {
  display: inline-block;
}

nav.top {
  margin-bottom: 18px;
  font-size: 0.92rem;
}

nav.top a {
  color: #15803d;
  text-decoration: none;
  margin-right: 14px;
}

nav.top a:hover {
  text-decoration: underline;
}

.lang-switch {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.lang-btn {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: #334155;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.lang-btn:hover {
  border-color: #15803d;
  color: #15803d;
}

.lang-btn.is-active {
  background: #15803d;
  border-color: #15803d;
  color: #fff;
}

h2 {
  margin: 28px 0 10px;
  font-size: 1.15rem;
}

p,
li {
  font-size: 0.98rem;
}

ul {
  margin: 8px 0 0;
  padding-left: 1.25rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.92rem;
}

th,
td {
  border: 1px solid #e5e7eb;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background: #f1f5f9;
}

.note {
  margin-top: 24px;
  padding: 14px 16px;
  border-radius: 12px;
  background: #ecfdf5;
  border: 1px solid #bbf7d0;
  color: #14532d;
  font-size: 0.92rem;
}

.footer {
  margin-top: 24px;
  color: #64748b;
  font-size: 0.88rem;
}

@media (max-width: 640px) {
  .wrap {
    padding: 16px 12px 32px;
  }

  .card {
    padding: 20px 16px;
  }

  h1 {
    font-size: 1.55rem;
  }

  table {
    display: block;
    overflow-x: auto;
  }
}