/* Ninkki Legal Pages — Common Styles */
:root {
  --primary: #2E9CCA;
  --primary-dark: #1b7ba4;
  --accent: #f9a8d4;
  --text: #1f2937;
  --text-muted: #6b7280;
  --bg: #f8f9fa;
  --card-bg: #ffffff;
  --border: #e5e7eb;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Helvetica Neue", Arial, "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 24px 20px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

header a.logo {
  display: inline-block;
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.5px;
}

header .tagline {
  margin-top: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
}

nav.lang {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

nav.lang a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  transition: all 0.2s;
}

nav.lang a:hover,
nav.lang a.active {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
}

main {
  max-width: 780px;
  margin: 32px auto;
  padding: 0 20px 60px;
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
}

h1 {
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 8px 0;
  color: var(--text);
}

.updated {
  font-size: 12px;
  color: var(--text-muted);
  text-align: right;
  margin-bottom: 24px;
}

h2 {
  font-size: 17px;
  font-weight: 700;
  margin: 32px 0 10px 0;
  color: var(--text);
  padding-bottom: 6px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}

h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 20px 0 8px 0;
  color: #374151;
}

p, li {
  font-size: 14px;
  color: #4b5563;
  line-height: 1.85;
}

ul {
  padding-left: 22px;
}

li {
  margin-bottom: 4px;
}

pre.plain {
  background: #f3f4f6;
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  color: #374151;
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 12px 0;
}

.contact-box {
  background: #fef3c7;
  border: 1px solid #fcd34d;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 20px 0;
}

.contact-box strong {
  color: #92400e;
}

.contact-box a {
  color: var(--primary-dark);
  font-weight: 600;
  text-decoration: none;
}

.contact-box a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 24px 20px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border);
  margin-top: 40px;
}

footer a {
  color: var(--primary-dark);
  text-decoration: none;
  margin: 0 8px;
}

footer a:hover {
  text-decoration: underline;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
  padding: 0;
  list-style: none;
}

.nav-links li {
  list-style: none;
  margin: 0;
}

.nav-links a {
  display: inline-block;
  padding: 10px 18px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
  box-shadow: 0 2px 6px rgba(46, 156, 202, 0.25);
}

.nav-links a:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

@media (max-width: 600px) {
  main { padding: 0 14px 40px; margin: 20px auto; }
  .card { padding: 22px 18px; }
  h1 { font-size: 22px; }
  h2 { font-size: 16px; }
}