:root {
  color-scheme: light;
  --page: #f7f8ff;
  --page-strong: #eef1fb;
  --surface: rgba(255,255,255,.88);
  --surface-solid: #ffffff;
  --surface-muted: #eef1fb;
  --text: #111936;
  --muted: #52607c;
  --line: #d6dced;
  --primary: #5b21b6;
  --primary-soft: #eee7ff;
  --secondary: #0f766e;
  --secondary-soft: #d9f5ef;
  --danger: #b42318;
  --danger-soft: #ffe8e6;
  --focus: #155eef;
  --shadow: 0 18px 55px rgba(31, 40, 90, .12);
  --gradient: linear-gradient(135deg, #5b21b6, #0f766e);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --page: #0b1020;
  --page-strong: #111a2d;
  --surface: rgba(21,30,49,.88);
  --surface-solid: #151e31;
  --surface-muted: #1c2942;
  --text: #f5f7ff;
  --muted: #b4bfd7;
  --line: #35435d;
  --primary: #a78bfa;
  --primary-soft: rgba(139,92,246,.18);
  --secondary: #2dd4bf;
  --secondary-soft: rgba(45,212,191,.16);
  --danger: #ff6b6b;
  --danger-soft: rgba(255,107,107,.14);
  --focus: #93c5fd;
  --shadow: 0 24px 75px rgba(0,0,0,.34);
  --gradient: linear-gradient(135deg, #8b5cf6, #0f9f91);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 520px at 8% -8%, color-mix(in srgb, var(--primary) 13%, transparent), transparent 70%),
    radial-gradient(900px 520px at 100% 4%, color-mix(in srgb, var(--secondary) 11%, transparent), transparent 68%),
    var(--page);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--text); }
a:hover { color: var(--secondary); }
button { font: inherit; }
.site-header, body > header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--page) 86%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  backdrop-filter: blur(18px);
}
body > header { max-width: 1160px; margin: 0 auto; padding: 22px 20px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 11px; color: var(--text); font-weight: 800; font-size: 1.1rem; text-decoration: none; letter-spacing: -.03em; }
.brand img { width: 38px; height: 38px; border-radius: 12px; box-shadow: 0 7px 18px color-mix(in srgb, var(--primary) 30%, transparent); }
.nav, .nav-links { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--muted); font-size: .9rem; }
.nav-pill, .nav-links a { padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); background: var(--surface); text-decoration: none; }
.nav-pill:hover, .nav-links a:hover { color: var(--text); border-color: var(--secondary); }
.nav-pill.active { color: var(--text); border-color: var(--primary); background: var(--primary-soft); }
.nav-actions { display: flex; align-items: center; gap: 9px; }
.theme-toggle { display: inline-grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 12px; color: var(--text); background: var(--surface); cursor: pointer; }
.theme-toggle:hover { border-color: var(--secondary); }
button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
main { max-width: 1160px; margin: 0 auto; padding: 0 20px 72px; }
.title { margin: 48px 0 10px; font-size: clamp(2rem, 4.5vw, 3.5rem); line-height: 1.07; letter-spacing: -.055em; }
.subtitle { max-width: 760px; margin: 0 0 26px; color: var(--muted); font-size: 1.04rem; }
.card, .support-box, .toc-card, .terms-content, .faq-card { border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.card, .support-box, .terms-content { padding: clamp(20px, 3vw, 34px); }
.card h2, .card h3, .support-box h2, .support-box h3 { color: var(--text); }
.card p, .card li, .support-box p, .support-box li, .terms-content p, .terms-content li { color: var(--muted); }
.card strong, .support-box strong, .terms-content strong { color: var(--text); }
.card ul, .card ol, .support-box ul, .support-box ol, .terms-content ul, .terms-content ol { padding-left: 1.3rem; }
.card li + li, .support-box li + li, .terms-content li + li { margin-top: 8px; }
.support-box { border-left: 4px solid var(--secondary); }
.support-box a { color: var(--secondary); font-weight: 700; }
.toc-card { padding: 20px; margin-bottom: 20px; }
.toc-card a { color: var(--secondary); font-weight: 600; }
.terms-layout { display: grid; grid-template-columns: minmax(210px, .32fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.terms-layout .toc-card { position: sticky; top: 100px; }
.back-to-top { position: fixed; right: 18px; bottom: 18px; z-index: 30; padding: 10px 14px; border-radius: 999px; border: 1px solid var(--line); color: var(--text); background: var(--surface); text-decoration: none; box-shadow: var(--shadow); }
.back-to-top:hover { border-color: var(--secondary); }
.delete-image { display: block; width: min(420px, 100%); margin: 22px auto 0; border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.mockup-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.mockup-card { margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); }
.mockup-card img { display: block; width: 100%; border-radius: 15px; }
.mockup-card figcaption { padding: 11px 4px 2px; color: var(--muted); font-weight: 700; font-size: .9rem; }
footer { max-width: 1160px; margin: 0 auto; padding: 28px 20px 46px; border-top: 1px solid var(--line); color: var(--muted); font-size: .86rem; }
.footer-row { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); }
@media (max-width: 760px) { header { padding: 16px 14px; } .nav, .nav-links { display: none; } main { padding-inline: 14px; } .terms-layout, .mockup-grid { grid-template-columns: 1fr; } .terms-layout .toc-card { position: static; } footer { padding-inline: 14px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }
/* Generated legal copy contains inline colors; these tokens keep it readable in both themes. */
.card [style*="color"], .terms-content [style*="color"], .policy-content [style*="color"] { color: var(--muted) !important; }
.card h1, .card h2, .card h3, .card h4, .terms-content h1, .terms-content h2, .terms-content h3, .policy-content h1, .policy-content h2, .policy-content h3 { color: var(--text) !important; }
.card a, .terms-content a, .policy-content a { color: var(--secondary) !important; }
input, textarea, select { color: var(--text); background: var(--surface-solid); border-color: var(--line); }
input::placeholder, textarea::placeholder { color: var(--muted); }
label { color: var(--text); }