/* SAYA Legal Pages — Shared Stylesheet
 * Brand-consistent with the SAYA app (D4A656 wheat / 3F5B4A deep green / FAF6EE cream)
 * Mobile-first, WCAG AA contrast, no JS required.
 */

:root {
  --primary: #D4A656;
  --primary-dark: #B8893E;
  --secondary: #3F5B4A;
  --background: #FAF6EE;
  --surface: #FFFFFF;
  --text-primary: #2F2A24;
  --text-secondary: #7A6F5E;
  --border: #E5DDC9;
  --alert: #C44A3D;
  --max-width: 720px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--background);
  padding: 0;
  margin: 0;
}

header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
}

header .container {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

header .logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

header .logo::before {
  content: "🌱";
  font-size: 1.25rem;
}

header .tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--secondary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.last-updated {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

h2 {
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--secondary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

h2:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

ul, ol {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
}

strong {
  font-weight: 600;
  color: var(--text-primary);
}

a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--secondary);
}

a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 2px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.5rem;
  font-size: 0.9375rem;
  background-color: var(--surface);
}

th, td {
  border: 1px solid var(--border);
  padding: 0.625rem 0.875rem;
  text-align: left;
  vertical-align: top;
}

th {
  background-color: var(--background);
  font-weight: 600;
  color: var(--secondary);
}

.callout {
  background-color: var(--surface);
  border-left: 4px solid var(--primary);
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  border-radius: 4px;
}

.callout-alert {
  border-left-color: var(--alert);
  background-color: #FBF0EE;
}

.callout-alert strong {
  color: var(--alert);
}

footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

footer nav a {
  color: var(--text-secondary);
}

footer .copy {
  font-size: 0.8125rem;
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.0625rem; }
  main { padding: 1.5rem 1rem 3rem; }
  table { font-size: 0.875rem; }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #1A1A1A;
    --surface: #2A2A2A;
    --text-primary: #E8E8E8;
    --text-secondary: #A8A39B;
    --border: #3A3A3A;
  }
  header { background-color: var(--surface); }
}