/* legal: page styles moved from the prototype <style> block */

:root {
  --bg: #ffffff;
  --surface: #f7f9fc;
  --ink: #0b1f3a;
  --ink-2: #1f2d4a;
  --muted: #5a6a85;
  --line: #dfe5ee;
  --primary: #1456f1;
  --primary-ink: #0a3bb3;
  --primary-soft: #e8efff;
  --radius-sm: 8px;
  --radius-md: 14px;
  --font: "Inter", "Helvetica Neue", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--ink); margin: 0 0 12px; letter-spacing: -.01em; }
h1 { font-size: 2rem; line-height: 1.15; }
h2 { font-size: 1.4rem; margin-top: 36px; }
h3 { font-size: 1.1rem; margin-top: 22px; }
p, li { color: var(--ink-2); margin: 0 0 12px; }
ul, ol { padding-left: 22px; }


.layout { max-width: 1080px; margin: 0 auto; padding: 32px 20px 80px; display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .layout { grid-template-columns: 240px 1fr; align-items: start; } }

.toc { position: sticky; top: 80px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 18px; font-size: .92rem; }
.toc h4 { margin: 0 0 12px; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.toc a { display: block; padding: 6px 0; color: var(--ink-2); text-decoration: none; border-left: 2px solid transparent; padding-left: 10px; margin-left: -10px; }
.toc a:hover { color: var(--primary); }
.toc a.is-active { color: var(--primary); border-color: var(--primary); font-weight: 600; }

.content { min-width: 0; }
.section { padding: 24px 0; border-bottom: 1px solid var(--line); }
.section:last-child { border-bottom: 0; }
.lead { font-size: 1.05rem; color: var(--ink-2); }
.muted { color: var(--muted); font-size: .9rem; }
.callout { background: var(--primary-soft); border-left: 4px solid var(--primary); padding: 14px 18px; border-radius: var(--radius-sm); margin: 18px 0; font-size: .94rem; }
.callout--warn { background: #fff1de; border-left-color: #b85c00; }
table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: .92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; color: var(--ink); }

.toc { display: block; }
.content .callout { display: block; }
@media (max-width: 700px) { .content table { display: block; overflow-x: auto; } }
@media (max-width: 899px) { .toc { position: static; } }
.transp { display: grid; gap: 10px; grid-template-columns: 1fr; margin: 22px 0 8px; }
@media (min-width: 640px) { .transp { grid-template-columns: 1fr 1fr; } }
.transp a { display: block; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; color: var(--ink); text-decoration: none; }
.transp a:hover { border-color: #c5d3e8; }
.transp b { display: block; }
.transp span { color: var(--muted); font-size: .88rem; }

:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }