/* Native, script-free presentation of the integrated OKAS agent guide. */
:root {
  color-scheme: light dark;
  --paper: #e9e9e9;
  --sheet: #fafafa;
  --tint: #e3e3e3;
  --ink: #242424;
  --muted: #555555;
  --rule: #cacaca;
  --accent: #1d4ed8;
  --on-accent: #fafafa;
  --focus: #5e5e5e;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161616;
    --sheet: #1d1d1d;
    --tint: #202020;
    --ink: #ededed;
    --muted: #b8b8b8;
    --rule: #444444;
    --accent: #60a5fa;
    --on-accent: #101010;
    --focus: #c6c6c6;
  }
}
* { box-sizing: border-box; }
html { background: var(--paper); scroll-padding-top: 24px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.7; overflow-wrap: anywhere; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.skip { position: absolute; top: -100px; left: 16px; z-index: 10; padding: 10px 18px; background: var(--sheet); }
.skip:focus { top: 12px; }
main { width: min(1180px, calc(100% - 48px)); margin: auto; }
section, .contents-section { padding: clamp(36px, 6vw, 72px) 0; border-bottom: 1px solid var(--rule); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -.025em; margin: 0 0 20px; }
h1 { font-size: clamp(36px, 5.5vw, 64px); }
h2 { font-size: clamp(28px, 3.8vw, 46px); max-width: 900px; }
h3 { font-size: 23px; font-weight: 600; }
h4 { font-size: 21px; }
em { color: var(--accent); font-family: Georgia, serif; font-weight: normal; }
p { margin: 0 0 18px; }
li { margin-bottom: 10px; }
.topbar, .footer { padding: 22px max(24px, calc((100vw - 1180px) / 2)); display: flex; gap: 24px; align-items: center; justify-content: space-between; flex-wrap: wrap; border-bottom: 1px solid var(--rule); }
.brand { color: var(--ink); font-size: 24px; font-weight: bold; text-decoration: none; letter-spacing: -.04em; }
.topbar-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 20px; }
.site-nav { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 14px; }
.local-badge, .micro-label, .eyebrow, .section-kicker, article > span, .work-label, .role-heading > span, .project-site-label, .risks-label, .commands-label { color: var(--accent); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.section-kicker { margin-bottom: 24px; }
.development-note { margin-top: 28px; padding: 20px 24px; background: var(--tint); border: 1px solid var(--rule); border-radius: 8px; font-size: 15px; }
.development-note strong { display: block; }
.hero, .project-site-intro, .capability-section, .security-section { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.lede { font-size: 20px; color: var(--muted); }
.promise-list { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: 13px; }
.system-card, .project-access-card, .risk-disclaimer, .personal-agent-note, .risk-rules, .agent-growth, .command-difference { padding: 28px; background: var(--tint); border: 1px solid var(--rule); border-radius: 12px; }
.system-card h2 { font-size: 30px; }
.layer-list { margin: 0; padding-left: 22px; }
.layer-list b, .layer-list span { display: block; }
.layer-list span { color: var(--muted); }
.guide-intro, .contents-heading, .pilot-intro, .commands-intro, .risks-intro { max-width: 920px; margin-bottom: 30px; }
.contents-grid { padding: 0; list-style: none; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.contents-grid li { margin: 0; }
.contents-grid a { height: 100%; display: block; padding: 20px; border: 1px solid var(--rule); border-radius: 12px; text-decoration: none; background: var(--sheet); }
.contents-grid span, .contents-grid b, .contents-grid small { display: block; }
.contents-grid small { color: var(--muted); margin-top: 6px; }
.training-grid, .case-grid, .project-example-grid, .risk-grid, .command-grid, .role-grid, .benefit-grid, .pilot-steps, .pilot-metrics, .resource-links, .start-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.training-grid article, .case-card, .project-example-grid article, .risk-grid article, .command-card, .role-grid article, .benefit-grid article, .pilot-steps li, .pilot-metrics > div, .resource-links > div, .start-steps li { padding: 26px; border: 1px solid var(--rule); border-radius: 10px; background: var(--sheet); min-width: 0; }
article > span { display: block; margin-bottom: 16px; }
article ul { padding-left: 20px; }
blockquote { margin: 20px 0 0; padding-left: 16px; border-left: 2px solid var(--rule); color: var(--muted); }
.agent-growth { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); gap: 20px; margin: 24px 0; }
.agent-growth b, .agent-growth span, .personal-agent-note b, .personal-agent-note span, .project-site-footer b, .project-site-footer span, .resource-links b, .resource-links span, .command-difference b, .command-difference span { display: block; }
.agent-growth span { font-size: 12px; color: var(--accent); }
.agent-growth p { margin: 10px 0 0; color: var(--muted); }
.human-first { margin: 28px 0; font-weight: bold; font-size: 22px; }
.role-heading { margin: 36px 0 24px; }
.project-site-footer { margin-top: 24px; }
.capability-list { list-style: none; padding: 0; margin: 0; }
.capability-list li { padding: 16px 0; border-bottom: 1px solid var(--rule); }
.capability-list b, .capability-list span { display: block; }
.capability-list span, .security-list span { color: var(--muted); }
.start-steps, .pilot-steps { list-style: none; padding: 0; margin: 0; }
.start-steps li > span, .pilot-steps li > span { display: block; color: var(--accent); margin-bottom: 12px; }
.pilot-steps b { display: block; font-size: 21px; margin-bottom: 12px; }
.pilot-metrics { margin: 24px 0; }
.pilot-result { margin-bottom: 0; font-weight: bold; }
.security-list b, .security-list span { display: block; }
.risk-rules, .risk-disclaimer, .command-difference { margin-top: 24px; }
.risk-rules ol { padding-left: 22px; }
.risk-rules span { display: block; }
.risk-sources { margin-top: 20px; font-size: 14px; }
.command-card code, .command-difference code { font-size: 24px; color: var(--accent); display: block; margin-bottom: 16px; }
.command-card > span { text-transform: none; letter-spacing: normal; color: var(--muted); font-size: 14px; }
.command-difference { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 24px; align-items: center; }
.footer { margin-top: 32px; padding-bottom: 40px; color: var(--muted); font-size: 14px; }
.sticky-agent-cta { display: flex; align-items: center; justify-content: center; gap: 20px; margin: 0 auto 36px; width: min(360px, calc(100% - 40px)); padding: 16px 22px; border-radius: 12px; text-decoration: none; background: var(--accent); color: var(--on-accent); }
.sticky-agent-cta span { font-size: 14px; }
@media (max-width: 850px) {
  .hero, .project-site-intro, .capability-section, .security-section { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .contents-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .agent-growth, .command-difference { grid-template-columns: minmax(0, 1fr); }
  .agent-growth > i, .command-difference > i { text-align: center; }
}
@media (max-width: 560px) {
  main { width: calc(100% - 32px); }
  .topbar, .footer { padding-left: 16px; padding-right: 16px; }
  .training-grid, .case-grid, .project-example-grid, .risk-grid, .command-grid, .role-grid, .benefit-grid, .pilot-steps, .pilot-metrics, .resource-links, .start-steps, .contents-grid { grid-template-columns: minmax(0, 1fr); }
  .development-note, article, .system-card, .project-access-card { padding: 20px; }
}

/* Reading width and aligned label/value lists: no false table semantics. */
.guide-intro > p, .pilot-intro > p, .commands-intro > p, .risks-intro > p { max-width: 72ch; }
.layer-list li { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--rule); }
.layer-list li:last-child { border-bottom: 0; }
.capability-list li { min-height: 48px; margin: 0; padding: 14px 0; }
.capability-list b { font-size: 15px; font-weight: 600; }
.capability-list span { font-size: 15px; line-height: 1.6; }
.contents-grid a:hover { background: var(--tint); text-decoration: underline; text-underline-offset: .25em; }
.site-nav a, .topbar-actions > a { display: inline-flex; align-items: center; min-height: 44px; }
@media (min-width: 851px) {
  .capability-list li { display: grid; grid-template-columns: minmax(140px, .9fr) minmax(0, 1.1fr); gap: 20px; align-items: baseline; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}