:root {
  --paper: #f7f5f0;
  --surface: #fcfbf8;
  --surface-muted: #ecebe6;
  --ink: #06232b;
  --ink-soft: #495a60;
  --rule: #16343b;
  --rule-soft: #adb5b4;
  --action: #f3c400;
  --action-hover: #dfb300;
  --action-soft: #f6dc78;
  --danger: #b33a32;
  --danger-soft: #f6e8e4;
  --warning: #875800;
  --warning-soft: #fff2c6;
  --info: #386978;
  --info-soft: #e6f0f2;
  --confirmed: #0c5661;
  --confirmed-soft: #e4eff0;
  --shell: 1392px;
  --reading: 720px;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", Arial, sans-serif;
  --condensed: "IBM Plex Sans Condensed", "Arial Narrow", "IBM Plex Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body {
  margin: 0;
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 18% 12%, rgba(6,35,43,.022) 0 1px, transparent 1.5px),
    radial-gradient(circle at 76% 72%, rgba(6,35,43,.018) 0 1px, transparent 1.5px);
  background-size: 23px 29px, 31px 27px;
  font: 400 16px/1.56 var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: .25;
  background: repeating-linear-gradient(90deg, transparent 0 119px, rgba(6,35,43,.012) 120px);
}
main { min-height: 65vh; }
img, svg { max-width: 100%; }
svg { display: block; }
button, input, select, textarea { color: inherit; font: inherit; }
button, select, input[type="checkbox"] { cursor: pointer; }
a { color: var(--confirmed); text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--confirmed); outline-offset: 3px; }
::selection { color: var(--ink); background: var(--action-soft); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); font-family: var(--serif); font-weight: 650; letter-spacing: -.025em; text-wrap: balance; }
h1 { margin-bottom: 20px; font-size: clamp(2.7rem, 4.4vw, 4.25rem); line-height: 1.01; }
h2 { margin-bottom: 20px; font-size: clamp(1.8rem, 3vw, 2.25rem); line-height: 1.12; }
h3 { font-size: 1.45rem; line-height: 1.2; }
p { text-wrap: pretty; }

.sr-only {
  position: absolute !important;
  overflow: hidden;
  width: 1px;
  height: 1px;
  padding: 0;
  border: 0;
  margin: -1px;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
.manual-shell { width: min(calc(100% - 48px), var(--shell)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 999;
  top: 10px;
  left: 10px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: var(--action);
  font-weight: 700;
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }
.icon { flex: none; }
.document-label {
  margin: 0 0 16px;
  font: 700 12px/1.3 var(--condensed);
  letter-spacing: .09em;
  text-transform: uppercase;
}
.document-label.accent { color: var(--danger); }
.lead { max-width: 64ch; margin-bottom: 26px; color: var(--ink-soft); font-size: 18px; line-height: 1.62; }
.manual-button, .outline-button, .text-button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 11px 18px;
  font: 700 13px/1.2 var(--condensed);
  letter-spacing: .045em;
  text-decoration: none;
  text-transform: uppercase;
}
.manual-button { color: var(--ink); background: var(--action); }
.manual-button:hover { color: var(--ink); background: var(--action-hover); }
.outline-button { background: var(--surface); }
.outline-button:hover { background: var(--surface-muted); }
.text-button { border-color: transparent; background: transparent; text-transform: none; }
.text-button:not(:disabled):hover { border-color: var(--rule-soft); }
.text-button:disabled { cursor: not-allowed; opacity: .48; }

/* Site frame */
.site-header { position: relative; z-index: 50; border-bottom: 1px solid var(--ink); background: rgba(247,245,240,.97); }
.header-row { display: grid; min-height: 88px; grid-template-columns: minmax(270px, 1.2fr) 2.2fr minmax(170px, .6fr); align-items: center; gap: 28px; }
.brand { display: inline-flex; flex-direction: column; width: fit-content; color: var(--ink); text-decoration: none; }
.brand strong { font: 650 clamp(1.4rem, 2vw, 1.85rem)/1 var(--serif); letter-spacing: -.035em; }
.brand small { margin-top: 7px; font: 500 12px/1 var(--condensed); }
.desktop-nav { display: grid; height: 100%; grid-template-columns: repeat(4, 1fr); }
.desktop-nav a {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 20px;
  border-left: 1px solid var(--rule-soft);
  color: var(--ink);
  font: 600 13px/1.25 var(--condensed);
  text-decoration: none;
}
.desktop-nav a:last-child { border-right: 1px solid var(--rule-soft); }
.desktop-nav a small { align-self: flex-end; margin-bottom: 18px; color: var(--ink-soft); font-size: 10px; }
.desktop-nav a::after { position: absolute; right: 20px; bottom: -1px; left: 20px; height: 4px; content: ""; background: transparent; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { background: var(--surface); }
.desktop-nav a[aria-current="page"]::after { background: var(--action); }
.header-note { justify-self: end; font: 700 10px/1.35 var(--condensed); letter-spacing: .07em; text-align: right; text-transform: uppercase; }
.header-note::after { display: inline-block; width: 24px; height: 24px; margin-left: 12px; border: 1px solid var(--rule-soft); border-radius: 50%; content: "+"; font-size: 20px; font-weight: 400; line-height: 21px; text-align: center; }
.nav-toggle { display: none; width: 48px; height: 48px; align-items: center; justify-content: center; border: 0; background: transparent; }
.mobile-menu { display: none; }
.mobile-dock { display: none; }

.breadcrumbs {
  display: flex;
  min-height: 72px;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  color: var(--ink-soft);
  font: 500 12px/1.3 var(--condensed);
}
.breadcrumbs a { color: inherit; }
.breadcrumbs i { color: var(--rule-soft); font-style: normal; }
.breadcrumbs span { overflow: hidden; max-width: 52ch; text-overflow: ellipsis; white-space: nowrap; }
.meta-ledger { display: flex; flex-wrap: wrap; gap: 10px 0; margin-top: 26px; border-block: 1px solid var(--rule-soft); color: var(--ink-soft); font: 500 12px/1.3 var(--condensed); }
.meta-ledger span { display: inline-flex; min-height: 42px; align-items: center; gap: 7px; padding: 0 16px; border-right: 1px solid var(--rule-soft); }
.meta-ledger span:first-child { padding-left: 0; }

/* Technical drawings */
.draft-heavy { fill: none; stroke: var(--ink); stroke-width: 2; vector-effect: non-scaling-stroke; }
.draft { fill: none; stroke: var(--ink); stroke-width: 1; vector-effect: non-scaling-stroke; }
.draft-faint { fill: none; stroke: var(--rule-soft); stroke-dasharray: 5 6; stroke-width: 1; vector-effect: non-scaling-stroke; }
.house-drawing { position: relative; width: 100%; isolation: isolate; }
.house-drawing > svg { width: 100%; height: auto; }
.house-drawing::after {
  position: absolute;
  z-index: -1;
  inset: 8% 7% 4%;
  border: 1px dashed rgba(6,35,43,.16);
  content: "";
}
.house-zone {
  position: absolute;
  left: var(--x);
  top: var(--y);
  display: grid;
  width: max-content;
  max-width: 118px;
  grid-template-columns: 27px 1fr;
  align-items: center;
  gap: 5px;
  transform: translate(-50%, -50%);
}
.house-zone b { display: grid; width: 27px; height: 27px; place-items: center; border: 1px solid var(--ink); border-radius: 50%; background: var(--surface); font: 700 12px var(--condensed); }
.house-zone em { padding: 2px 4px; background: rgba(247,245,240,.9); font: 600 10px/1.1 var(--condensed); font-style: normal; }
.house-zone:nth-of-type(7) b { border-radius: 0; background: var(--action); }
.panel-drawing { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 210px; align-items: end; gap: 20px; }
.panel-drawing svg { max-height: 510px; }
.panel-drawing text { fill: var(--ink); font: 700 12px var(--condensed); }
.number-dot { fill: var(--action); stroke: var(--ink); }
.diagram-legend { margin: 0; padding: 0; border-top: 1px solid var(--rule); list-style: none; }
.diagram-legend li { display: grid; grid-template-columns: 34px 1fr; padding: 9px 0; border-bottom: 1px solid var(--rule-soft); font: 500 12px/1.3 var(--condensed); }
.floor-drawing { position: relative; }
.floor-drawing svg { width: 100%; }
.room-label { position: absolute; padding: 2px 5px; background: var(--surface); font: 600 11px var(--condensed); }
.room-a { left: 17%; top: 40%; }.room-b { left: 60%; top: 17%; }.room-c { left: 74%; top: 56%; }.room-d { left: 51%; top: 76%; }

/* Homepage */
.home-board { display: grid; min-height: 610px; grid-template-columns: 4fr 5fr 3fr; border-inline: 1px solid var(--rule-soft); }
.home-board > * { min-width: 0; padding: 44px 24px 32px; }
.home-board > * + * { border-left: 1px solid var(--rule-soft); }
.home-question h1 { max-width: 10.5ch; margin-bottom: 28px; font-size: clamp(3.15rem, 4.8vw, 4.8rem); line-height: 1.04; }
.route-ledger { border-top: 1px solid var(--ink); }
.route-ledger a {
  display: grid;
  min-height: 70px;
  grid-template-columns: 42px 30px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--rule-soft);
  color: var(--ink);
  text-decoration: none;
}
.route-ledger > a > b { display: grid; align-self: stretch; place-items: center; color: var(--paper); background: var(--ink); font: 500 18px var(--serif); }
.route-ledger a span { min-width: 0; }
.route-ledger a strong { display: block; font: 600 17px/1.2 var(--serif); }
.route-ledger a small { display: block; overflow: hidden; margin-top: 3px; color: var(--ink-soft); font: 500 11px/1.25 var(--condensed); text-overflow: ellipsis; white-space: nowrap; }
.route-ledger a:hover { background: var(--surface); }
.route-ledger a:hover > b { color: var(--ink); background: var(--action); }
.route-ledger a:hover > .icon:last-child { transform: translateX(4px); }
.home-house { display: flex; flex-direction: column; justify-content: space-between; padding-inline: 12px; }
.home-house .house-zone:nth-of-type(6) b { background: var(--action); }
.home-planner { background: rgba(252,251,248,.7); }
.home-planner h2 { max-width: 10ch; margin-bottom: 12px; font-size: 2rem; }
.home-planner > p:not(.document-label) { color: var(--ink-soft); font-size: 13px; }
.home-planner form { margin-top: 24px; }
.home-planner form > label { display: grid; grid-template-columns: 1fr 1.25fr; align-items: center; gap: 10px; margin-bottom: 14px; font: 600 12px var(--condensed); }
.home-planner select, .planner-form select, .planner-form input[type="number"] { width: 100%; min-height: 44px; border: 1px solid var(--rule); border-radius: 0; padding: 8px 11px; background: var(--surface); }
.home-planner fieldset, .planner-step { min-width: 0; border: 0; padding: 0; }
.home-planner fieldset { margin: 25px 0 20px; border-top: 1px solid var(--rule-soft); }
.home-planner legend { padding: 12px 0 7px; font: 700 11px var(--condensed); text-transform: uppercase; }
.home-planner fieldset label { display: flex; min-height: 32px; align-items: center; gap: 9px; font-size: 12px; }
.home-planner input[type="checkbox"], .planner-form input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--confirmed); }
.home-planner .manual-button { width: 100%; }
.mini-result { display: grid; gap: 6px; margin-top: 12px; padding: 15px 0; border-block: 1px solid var(--rule-soft); font-size: 12px; }
.mini-result span { color: var(--ink-soft); }
.mini-result a { font-weight: 700; }
.atlas-band { display: grid; grid-template-columns: 230px 1fr; border: 1px solid var(--rule); }
.band-heading { padding: 24px; border-right: 1px solid var(--rule-soft); }
.band-heading h2 { margin: 0; font-size: 1.8rem; }
.era-track { display: grid; grid-template-columns: repeat(4, 1fr); }
.era-track a { position: relative; min-width: 0; min-height: 170px; padding: 23px 18px 20px; border-right: 1px solid var(--rule-soft); color: var(--ink); text-align: center; text-decoration: none; }
.era-track a:last-child { border-right: 0; }
.era-track a > span { font: 650 18px var(--serif); }
.tiny-house { display: grid; height: 58px; place-items: center; margin-top: 10px; }
.era-track small { display: block; color: var(--ink-soft); font-size: 11px; }
.era-track i { position: absolute; right: 0; bottom: 0; left: 0; height: 5px; background: color-mix(in srgb, var(--ink) calc((var(--era) + 1) * 18%), var(--action)); }
.era-track a:hover { background: var(--action-soft); }
.safety-band { display: grid; grid-template-columns: 1.25fr 2fr; border: 1px solid var(--rule); border-top: 0; background: var(--action-soft); }
.safety-first { display: flex; align-items: center; gap: 20px; padding: 22px 28px; border-right: 1px solid var(--rule); }
.safety-first b { font: 700 13px var(--condensed); letter-spacing: .06em; text-transform: uppercase; }
.safety-first p { margin: 3px 0 0; font-size: 12px; }
.safe-steps { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--surface); }
.safe-steps span { display: flex; align-items: center; gap: 12px; padding: 22px; border-right: 1px solid var(--rule-soft); font: 600 12px/1.3 var(--condensed); }
.safe-steps span:last-child { border: 0; color: var(--surface); background: var(--danger); }
.safe-steps b { display: grid; width: 28px; height: 28px; flex: none; place-items: center; border: 1px solid currentColor; border-radius: 50%; }
.home-proof { padding-block: 24px 30px; border-inline: 1px solid var(--rule-soft); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-grid > section { display: grid; grid-template-columns: 42px 1fr; gap: 13px; padding: 4px 22px; border-right: 1px solid var(--rule-soft); }
.proof-grid > section:first-child { padding-left: 0; }.proof-grid > section:last-child { border: 0; }
.proof-grid b { font: 700 12px var(--condensed); text-transform: uppercase; }
.proof-grid p { margin: 3px 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.4; }

/* Article headers */
.target-header, .guide-header, .detail-header, .planner-intro, .dossier-header, .institution-header { padding-bottom: 56px; }
.target-title { display: grid; grid-template-columns: 5fr 7fr; align-items: center; gap: 56px; padding-bottom: 42px; border-bottom: 1px solid var(--rule); }
.target-title > div:first-child { min-width: 0; }
.target-title .house-drawing, .target-title .floor-drawing { max-height: 510px; overflow: hidden; }
.target-chapters { display: grid; grid-template-columns: 210px repeat(4, 1fr); border-bottom: 1px solid var(--rule); }
.target-chapters > .document-label { padding: 22px 18px 0 0; }
.target-chapters a {
  display: grid;
  min-height: 138px;
  grid-template-columns: 28px 35px minmax(0,1fr) 22px;
  align-items: start;
  gap: 10px;
  padding: 20px 14px;
  border-left: 1px solid var(--rule-soft);
  color: var(--ink);
  text-decoration: none;
}
.target-chapters a > b { font: 700 12px var(--condensed); }
.target-chapters a strong { display: block; font: 600 16px/1.2 var(--serif); }
.target-chapters a small { display: -webkit-box; overflow: hidden; margin-top: 7px; color: var(--ink-soft); font-size: 11px; line-height: 1.35; -webkit-box-orient: vertical; -webkit-line-clamp: 3; }
.target-chapters a:hover { background: var(--action-soft); }
.target-timeline { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--rule); }
.target-timeline span { display: grid; min-height: 180px; align-content: space-between; padding: 18px; border-right: 1px solid var(--rule-soft); }
.target-timeline span:last-child { border: 0; }
.target-timeline b { font: 700 11px var(--condensed); }.target-timeline strong { font: 650 17px var(--serif); }.target-timeline small { color: var(--ink-soft); }
.triage-row { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); border-top: 0; }
.triage { display: grid; min-height: 104px; grid-template-columns: 42px 1fr; align-items: center; gap: 14px; padding: 18px 22px; border-right: 1px solid var(--rule-soft); }
.triage:last-child { border: 0; }
.triage span { display: grid; gap: 3px; }.triage b { font: 700 13px var(--condensed); }.triage small { color: var(--ink-soft); line-height: 1.35; }
.triage.danger { color: var(--danger); background: var(--danger-soft); }.triage.danger small { color: var(--danger); }
.triage.calm { color: var(--confirmed); background: var(--confirmed-soft); }.triage.caution { color: var(--warning); background: var(--warning-soft); }
.guide-grid { display: grid; grid-template-columns: 2fr 5fr 5fr; align-items: start; gap: 32px; padding-top: 10px; }
.guide-grid > aside { position: sticky; top: 24px; }
.guide-visual { align-self: stretch; padding: 24px; border: 1px solid var(--rule); background: var(--surface); }
.parent-card { display: grid; min-height: 126px; grid-template-columns: 34px minmax(0,1fr) 20px; align-content: center; align-items: center; gap: 10px; padding: 16px; border: 1px solid var(--rule); color: var(--ink); background: var(--surface); text-decoration: none; }
.parent-card small { grid-column: 1 / -1; color: var(--danger); font: 700 10px var(--condensed); letter-spacing: .07em; text-transform: uppercase; }
.parent-card strong { font: 600 14px/1.25 var(--serif); }
.parent-card:hover { background: var(--action-soft); }
.observation-row { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 32px; border: 1px solid var(--rule); }
.observation-row > div { display: grid; min-height: 130px; grid-template-columns: 36px 1fr; align-content: center; gap: 11px; padding: 17px; border-right: 1px solid var(--rule-soft); }
.observation-row > div:last-child { border: 0; color: var(--danger); background: var(--danger-soft); }
.observation-row span { display: grid; gap: 5px; }.observation-row b { font: 700 12px var(--condensed); }.observation-row small { color: var(--ink-soft); font-size: 11px; line-height: 1.35; }
.detail-title { display: grid; grid-template-columns: minmax(0, 8fr) 3fr; align-items: end; gap: 64px; padding: 20px 0 40px; border-bottom: 1px solid var(--rule); }
.detail-title > div { min-width: 0; }

/* Interactive worksheets */
.utility-board {
  display: grid;
  grid-template-columns: 3fr 5fr 4fr;
  margin-bottom: 24px;
  border: 1px solid var(--rule);
  background: var(--surface);
}
.utility-board > * { min-width: 0; padding: 28px; }
.utility-board > * + * { border-left: 1px solid var(--rule-soft); }
.utility-intro h2 { font-size: 2rem; }
.utility-intro > p:not(.document-label) { color: var(--ink-soft); font-size: 13px; }
.utility-intro ol { margin: 22px 0 0; padding: 0; list-style: none; counter-reset: toolstep; }
.utility-intro ol li { counter-increment: toolstep; padding: 9px 0 9px 35px; border-bottom: 1px solid var(--rule-soft); font-size: 12px; }
.utility-intro ol li::before { float: left; margin-left: -35px; content: counter(toolstep, decimal-leading-zero); color: var(--danger); font: 700 11px var(--condensed); }
.tool-form { display: grid; align-content: start; gap: 20px; }
.tool-form > label, .tool-form fieldset { display: grid; gap: 8px; margin: 0; border: 0; padding: 0; font: 650 13px var(--condensed); }
.tool-form input[type="number"], .tool-form select { width: 100%; min-height: 48px; border: 1px solid var(--rule); border-radius: 0; padding: 9px 12px; background: var(--surface); }
.tool-form fieldset { border-block: 1px solid var(--rule-soft); padding-block: 14px; }
.tool-form legend { margin-bottom: 8px; padding: 0; font: 700 11px var(--condensed); letter-spacing: .07em; text-transform: uppercase; }
.tool-form fieldset > label { display: flex; min-height: 36px; align-items: center; gap: 9px; font-weight: 500; }
.tool-form input[type="radio"], .tool-form input[type="checkbox"] { width: 21px; height: 21px; flex: none; accent-color: var(--confirmed); }
.tool-result { background: var(--surface-muted); }
.tool-result > b { display: block; margin: 24px 0 10px; font: 650 25px/1.15 var(--serif); }
.tool-result > p:not(.document-label) { color: var(--ink-soft); font-size: 13px; }
.tool-result ul { margin: 20px 0; padding: 0; list-style: none; }
.tool-result li { position: relative; padding: 8px 0 8px 26px; border-bottom: 1px solid var(--rule-soft); font-size: 12px; }
.tool-result li::before { position: absolute; left: 2px; content: "?"; color: var(--danger); font-weight: 800; }
.checklist-tool { grid-template-columns: 3fr 5fr 4fr; }
.check-row { display: grid !important; min-height: 48px !important; grid-template-columns: 24px 32px 1fr; align-items: center !important; gap: 8px !important; border-bottom: 1px solid var(--rule-soft); }
.check-row > b { color: var(--danger); font: 700 11px var(--condensed); }
.check-row > span { font-weight: 500; line-height: 1.3; }
.score-ring { display: grid; width: 128px; height: 128px; align-content: center; justify-items: center; margin-top: 26px; border: 1px solid var(--ink); border-radius: 50%; background: var(--action-soft); }
.score-ring b { font: 650 30px var(--serif); }
.score-ring small { max-width: 75px; color: var(--ink-soft); font: 600 10px/1.2 var(--condensed); text-align: center; }

/* Reading system */
.reading-board { display: grid; grid-template-columns: 2fr minmax(0, 7fr) 3fr; align-items: start; gap: 32px; padding-block: 62px 104px; border-top: 1px solid var(--rule-soft); }
.toc-rail { position: sticky; top: 24px; grid-column: 1; }
.toc-rail > a:not(.parent-card) { display: grid; grid-template-columns: 32px 1fr; gap: 8px; padding: 10px 5px 10px 0; border-top: 1px solid var(--rule-soft); color: var(--ink-soft); font: 500 12px/1.35 var(--condensed); text-decoration: none; }
.toc-rail > a:not(.parent-card):hover { color: var(--ink); background: var(--surface); }
.toc-rail > .parent-card { margin-top: 25px; }
.article-copy { grid-column: 2 / span 2; display: grid; grid-template-columns: minmax(0, var(--reading)) minmax(230px, 1fr); column-gap: 64px; }
.manual-section { grid-column: 1; scroll-margin-top: 110px; margin-bottom: 64px; }
.manual-section > header { display: grid; grid-template-columns: 48px 1fr; align-items: baseline; gap: 16px; margin-bottom: 25px; border-bottom: 1px solid var(--rule); }
.manual-section > header > b { align-self: stretch; padding: 7px 0 13px; color: var(--danger); font: 700 13px var(--condensed); }
.manual-section > header h2 { margin: 0; padding-bottom: 13px; }
.section-copy { padding-left: 64px; }
.section-copy > p { max-width: 68ch; margin-bottom: 18px; }
.section-copy a { font-weight: 600; }
.section-copy ul, .section-copy ol { max-width: 67ch; margin: 23px 0; padding: 0; list-style: none; counter-reset: item; }
.section-copy li { position: relative; min-height: 36px; padding: 7px 0 7px 38px; border-bottom: 1px solid var(--rule-soft); }
.section-copy ul li::before { position: absolute; left: 5px; content: "□"; color: var(--confirmed); font-weight: 700; }
.section-copy ol li { counter-increment: item; }
.section-copy ol li::before { position: absolute; left: 2px; content: counter(item, decimal-leading-zero); color: var(--danger); font: 700 12px var(--condensed); }
.inline-note { margin: 28px 0; padding: 20px 22px; border: 1px solid var(--warning); border-left-width: 5px; background: var(--warning-soft); }
.inline-note b { font: 700 13px var(--condensed); text-transform: uppercase; }.inline-note p { margin: 7px 0 0; }
.inline-note.danger { border-color: var(--danger); background: var(--danger-soft); }
.child-ledger, .faq-block, .source-ledger, .sibling-ledger { grid-column: 1 / -1; margin-top: 42px; }
.child-ledger { display: grid; grid-template-columns: 210px repeat(2, 1fr); border: 1px solid var(--rule); }
.child-ledger > .document-label { padding: 22px; }
.child-ledger a { display: grid; min-height: 130px; grid-template-columns: 35px 1fr 24px; align-items: center; gap: 10px; padding: 19px; border-left: 1px solid var(--rule-soft); color: var(--ink); text-decoration: none; }
.child-ledger a strong { display: block; font: 600 17px var(--serif); }.child-ledger a small { display: block; margin-top: 6px; color: var(--ink-soft); font-size: 11px; line-height: 1.35; }
.child-ledger a:hover { background: var(--action-soft); }
.faq-block { max-width: calc(var(--reading) + 64px); }
.faq-block details { border-top: 1px solid var(--rule); }
.faq-block details:last-child { border-bottom: 1px solid var(--rule); }
.faq-block summary { display: flex; min-height: 62px; cursor: pointer; align-items: center; justify-content: space-between; gap: 20px; font-weight: 650; list-style: none; }
.faq-block summary::-webkit-details-marker { display: none; }
.faq-block summary span { color: var(--danger); font-size: 24px; font-weight: 400; }
.faq-block details[open] summary span { transform: rotate(45deg); }
.faq-block details p { margin: -4px 42px 20px 0; color: var(--ink-soft); }
.source-ledger { display: grid; grid-template-columns: 280px 1fr; border: 1px solid var(--rule); background: var(--surface); }
.source-ledger > div { display: grid; grid-template-columns: 45px 1fr; align-content: start; gap: 12px; padding: 22px; border-right: 1px solid var(--rule-soft); }
.source-ledger > div span { display: grid; gap: 4px; }.source-ledger > div b { font: 700 13px var(--condensed); text-transform: uppercase; }.source-ledger > div small { color: var(--ink-soft); }
.source-ledger ol { margin: 0; padding: 12px 22px; list-style-position: inside; columns: 2; column-gap: 32px; }
.source-ledger li { break-inside: avoid; margin: 10px 0; font-size: 13px; }
.source-ledger li small { display: block; margin-left: 20px; color: var(--ink-soft); }
.sibling-ledger > div { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); }
.sibling-ledger a { display: grid; min-height: 68px; grid-template-columns: 31px 1fr 22px; align-items: center; gap: 9px; padding: 12px 15px; border-right: 1px solid var(--rule-soft); color: var(--ink); font-size: 13px; text-decoration: none; }
.sibling-ledger a:last-child { border: 0; }.sibling-ledger a:hover { background: var(--surface-muted); }

/* Planner */
.planner-intro { display: grid; grid-template-columns: 6fr 6fr; align-items: center; gap: 70px; }
.planner-intro .breadcrumbs { grid-column: 1 / -1; }
.planner-intro h1 { max-width: 17ch; font-size: clamp(3rem, 4vw, 3.7rem); }
.local-note { display: inline-flex; align-items: center; gap: 8px; color: var(--confirmed); font: 600 12px var(--condensed); }
.planner-progress { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0 0 10px; padding: 0; border-block: 1px solid var(--rule-soft); list-style: none; }
.planner-progress li { position: relative; display: grid; min-height: 88px; align-content: center; justify-items: center; gap: 7px; border-right: 1px solid var(--rule-soft); color: var(--ink-soft); font: 600 11px var(--condensed); }
.planner-progress li:last-child { border: 0; }
.planner-progress li b { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid var(--rule-soft); border-radius: 50%; }
.planner-progress li.active { color: var(--ink); background: var(--action-soft); }.planner-progress li.active b { border-color: var(--ink); color: var(--paper); background: var(--ink); }
.planner-progress li.complete b { border-color: var(--confirmed); color: var(--surface); background: var(--confirmed); }
.planner-workspace { display: grid; grid-template-columns: 4fr 5fr 3fr; border: 1px solid var(--rule); background: var(--surface); }
.planner-workspace > * { min-width: 0; padding: 26px; }
.planner-workspace > * + * { border-left: 1px solid var(--rule-soft); }
.planner-form { display: flex; min-height: 620px; flex-direction: column; }
.planner-step { display: block; }
.js .planner-step { display: none; }
.js .planner-step.active { display: block; }
.planner-step legend { width: 100%; margin-bottom: 28px; padding-bottom: 12px; border-bottom: 1px solid var(--rule); font: 650 22px var(--serif); }
.planner-step legend small { margin-right: 12px; color: var(--danger); font: 700 12px var(--condensed); }
.planner-step > label { display: grid; gap: 8px; margin-bottom: 22px; font: 600 13px var(--condensed); }
.planner-step > label:has(input[type="checkbox"]) { grid-template-columns: 23px 1fr; align-items: start; gap: 10px; }
.planner-check { grid-template-columns: 24px 1fr !important; padding: 10px 0; border-bottom: 1px solid var(--rule-soft); }
.planner-check small { grid-column: 2; color: var(--ink-soft); font-weight: 400; }
.planner-controls { display: none; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 30px; }
.js .planner-controls { display: flex; }
.form-help { padding: 16px; border-left: 4px solid var(--info); background: var(--info-soft); font-size: 13px; }
.brief-preview { margin-bottom: 24px; padding: 21px; border: 1px solid var(--confirmed); background: var(--confirmed-soft); }
.brief-preview b { font: 650 18px var(--serif); }.brief-preview p { margin: 8px 0 0; font-size: 13px; }
.planner-house { background: var(--paper); }
.planner-house .house-drawing { margin-top: 42px; }
.direct-children { display: grid; grid-template-columns: 1fr 1fr; margin-top: 18px; border: 1px solid var(--rule-soft); }
.direct-children a { display: grid; grid-template-columns: 30px 1fr 18px; align-items: center; gap: 7px; padding: 9px; border-right: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft); color: var(--ink); font-size: 11px; text-decoration: none; }
.direct-children a:hover { background: var(--action-soft); }
.planner-result { align-self: stretch; background: var(--surface-muted); }
.scenario-tabs { display: grid; grid-template-columns: repeat(3, 1fr); margin: 18px 0 26px; border: 1px solid var(--rule); }
.scenario-tabs button { min-height: 43px; border: 0; border-right: 1px solid var(--rule); background: var(--surface); font: 600 10px var(--condensed); }
.scenario-tabs button:last-child { border: 0; }.scenario-tabs button.active { color: var(--surface); background: var(--ink); }
.result-group { display: grid; min-height: 76px; grid-template-columns: 31px 1fr; align-items: center; gap: 11px; padding: 12px; border: 1px solid var(--rule-soft); border-bottom: 0; }
.result-group span { display: grid; gap: 3px; }.result-group b { font: 700 12px var(--condensed); text-transform: uppercase; }.result-group small { color: var(--ink-soft); }
.result-group.confirmed { color: var(--confirmed); background: var(--confirmed-soft); }.result-group.assumptions { color: var(--warning); background: var(--warning-soft); }.result-group.verify { color: var(--danger); background: var(--danger-soft); }.result-group.questions { color: var(--info); border-bottom: 1px solid var(--rule-soft); background: var(--info-soft); }
.planner-result > .manual-button { width: 100%; margin-top: 24px; }

/* Atlas dossier */
.dossier-title { display: grid; grid-template-columns: minmax(0, 7fr) 3fr auto; align-items: end; gap: 40px; padding: 15px 0 32px; border-bottom: 1px solid var(--rule); }
.dossier-title h1 { margin-bottom: 14px; }.dossier-title p { max-width: 70ch; color: var(--ink-soft); }
.dossier-title dl { display: grid; grid-template-columns: auto 1fr; gap: 7px 12px; margin: 0; font: 500 12px/1.35 var(--condensed); }
.dossier-title dt { color: var(--ink-soft); }.dossier-title dd { margin: 0; font-weight: 650; }
.dossier-visual { display: grid; grid-template-columns: 7fr 5fr; align-items: end; border-bottom: 1px solid var(--rule); }
.atlas-sketch { padding: 28px 35px 0 0; border-right: 1px solid var(--rule-soft); }
.renovation-line { display: grid; grid-template-columns: repeat(4, 1fr); padding: 30px; }
.renovation-line span { position: relative; display: grid; align-content: start; gap: 5px; padding: 22px 10px 0; border-top: 1px solid var(--rule); }
.renovation-line i { position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border: 1px solid var(--ink); border-radius: 50%; background: var(--action); }
.renovation-line b { font: 700 10px/1.3 var(--condensed); }.renovation-line small { color: var(--ink-soft); font-size: 10px; }
.dossier-ledgers { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--rule); border-top: 0; }
.dossier-ledgers section { min-height: 150px; padding: 22px; border-right: 1px solid var(--rule); }
.dossier-ledgers section:last-child { border: 0; }.dossier-ledgers section:nth-child(1) { border-top: 7px solid var(--confirmed); background: var(--confirmed-soft); }.dossier-ledgers section:nth-child(2) { border-top: 7px solid var(--action); background: var(--warning-soft); }.dossier-ledgers section:nth-child(3) { border-top: 7px solid var(--danger); background: var(--danger-soft); }.dossier-ledgers section:nth-child(4) { border-top: 7px solid var(--info); background: var(--info-soft); }
.dossier-ledgers b { font: 700 12px var(--condensed); text-transform: uppercase; }.dossier-ledgers p { margin: 12px 0 0; font-size: 12px; line-height: 1.45; }

/* Institutional and sitemap */
.institution-header > div:not(.process-line):not(.method-panels) { display: grid; grid-template-columns: 7fr 5fr; align-items: end; gap: 70px; padding-bottom: 40px; }
.institution-header > h1 { max-width: 14ch; }.institution-header > .lead { max-width: 72ch; }
.process-line { display: grid; grid-template-columns: repeat(7, 1fr); border: 1px solid var(--rule); }
.process-line span { display: grid; min-height: 120px; align-content: space-between; padding: 16px; border-right: 1px solid var(--rule-soft); }
.process-line span:last-child { border: 0; }.process-line b { display: grid; width: 30px; height: 30px; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font: 700 11px var(--condensed); }.process-line strong { font: 650 13px var(--serif); }
.method-panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 !important; margin-top: 28px; padding: 0 !important; border: 1px solid var(--rule); }
.method-panels > section { min-width: 0; padding: 24px; border-right: 1px solid var(--rule-soft); }.method-panels > section:last-child { border: 0; }
.source-level { display: grid; grid-template-columns: 1fr 1.2fr; gap: 8px; padding: 11px; border: 1px solid var(--rule-soft); border-bottom: 0; font: 700 12px var(--condensed); }
.source-level:last-child { border-bottom: 1px solid var(--rule-soft); }.source-level small { color: var(--ink-soft); font-weight: 400; }.source-level.primary { border-left: 5px solid var(--confirmed); }.source-level.authority { border-left: 5px solid var(--info); }.source-level.product { border-left: 5px solid var(--action); }.source-level.insufficient { border-left: 5px solid var(--danger); }
.cocoon-map { display: grid; justify-items: center; gap: 18px; }
.cocoon-map > span, .cocoon-map > div > span { display: grid; min-height: 50px; place-items: center; padding: 8px 12px; border: 1px solid var(--rule); font: 600 11px/1.2 var(--condensed); text-align: center; }
.cocoon-map > .map-target { min-width: 140px; background: var(--action); }.cocoon-map > div { position: relative; display: grid; width: 100%; grid-template-columns: repeat(3,1fr); gap: 8px; }.cocoon-map > div::before { position: absolute; top: -10px; right: 16%; left: 16%; border-top: 1px dashed var(--rule-soft); content: ""; }
.anatomy-list { margin: 0; padding: 0; list-style: none; counter-reset: anatomy; }
.anatomy-list li { counter-increment: anatomy; padding: 9px 0 9px 38px; border-bottom: 1px solid var(--rule-soft); }.anatomy-list li::before { float: left; margin-left: -38px; content: counter(anatomy, decimal-leading-zero); color: var(--danger); font: 700 11px var(--condensed); }
.institution-copy { display: grid; grid-template-columns: 2fr 8fr 2fr; padding-bottom: 100px; }
.institution-copy > article { grid-column: 2; }
.institution-copy .source-ledger { grid-template-columns: 1fr; }.institution-copy .source-ledger > div { border-right: 0; border-bottom: 1px solid var(--rule-soft); }
.sitemap-tree { display: grid; gap: 45px; padding-bottom: 100px; }
.sitemap-tree > section { display: grid; grid-template-columns: 4fr 8fr; border-top: 1px solid var(--rule); }
.sitemap-tree > section > header { display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 24px 25px 24px 0; }
.sitemap-tree h2 { font-size: 2rem; }.sitemap-tree h2 a { color: var(--ink); }.sitemap-tree header > b { color: var(--danger); font: 700 13px var(--condensed); }
.tree-branch { display: grid; grid-template-columns: 1fr 1.2fr; border-bottom: 1px solid var(--rule-soft); border-left: 1px solid var(--rule-soft); }
.tree-branch > a { display: grid; grid-template-columns: 35px 1fr; gap: 8px; padding: 18px; color: var(--ink); font: 650 14px var(--serif); text-decoration: none; }.tree-branch > a:hover { background: var(--action-soft); }
.tree-branch ul { margin: 0; padding: 10px 18px; border-left: 1px solid var(--rule-soft); list-style: none; }.tree-branch li { padding: 4px 0; }.tree-branch li a { font-size: 12px; }

/* Footer and 404 */
.site-footer { border-top: 1px solid var(--ink); background: var(--surface-muted); }
.site-footer > .proof-grid { padding-block: 30px; }
.footer-links { display: flex; min-height: 76px; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--rule-soft); color: var(--ink-soft); font: 500 11px var(--condensed); }
.footer-links nav { display: flex; flex-wrap: wrap; gap: 18px; }.footer-links a { color: var(--ink); }
.not-found { width: min(calc(100% - 40px), 780px); margin: 12vh auto; padding: 55px; border: 1px solid var(--rule); background: var(--surface); }

/* 1024 */
@media (max-width: 1100px) {
  .header-row { grid-template-columns: 260px 1fr; }
  .header-note { display: none; }
  .desktop-nav a { padding-inline: 12px; font-size: 12px; }
  .home-board { grid-template-columns: 4fr 4.5fr 3.5fr; }
  .home-board > * { padding-inline: 18px; }
  .home-question h1 { font-size: 3.25rem; }
  .route-ledger a { grid-template-columns: 37px 25px minmax(0,1fr) 20px; gap: 8px; }
  .route-ledger a small { white-space: normal; }
  .house-zone em { display: none; }
  .target-chapters { grid-template-columns: 160px repeat(4, 1fr); }
  .target-chapters a { grid-template-columns: 25px minmax(0,1fr); }.target-chapters a > .icon { display: none; }
  .article-copy { grid-template-columns: minmax(0, 2.1fr) 1fr; column-gap: 40px; }
  .child-ledger { grid-template-columns: 170px 1fr 1fr; }
  .planner-workspace > * { padding: 19px; }
  .dossier-visual { grid-template-columns: 1fr; }.atlas-sketch { border-right: 0; border-bottom: 1px solid var(--rule-soft); padding-right: 0; }
  .source-ledger { grid-template-columns: 220px 1fr; }
}

/* tablet */
@media (max-width: 820px) {
  html { scroll-padding-top: 88px; }
  .manual-shell { width: min(calc(100% - 40px), var(--shell)); }
  .site-header { position: sticky; top: 0; }
  .header-row { min-height: 72px; grid-template-columns: 1fr 48px; }
  .brand strong { font-size: 1.45rem; }.brand small { margin-top: 4px; }
  .desktop-nav { display: none; }.nav-toggle { display: inline-flex; justify-self: end; }
  .mobile-menu.open { position: fixed; z-index: 49; top: 72px; right: 0; left: 0; display: grid; border-bottom: 1px solid var(--ink); background: var(--surface); }
  .mobile-menu a { display: grid; min-height: 62px; grid-template-columns: 45px 1fr 24px; align-items: center; gap: 12px; padding-inline: 20px; border-bottom: 1px solid var(--rule-soft); color: var(--ink); text-decoration: none; }.mobile-menu a b { font: 700 12px var(--condensed); }
  .breadcrumbs { min-height: 58px; }
  .home-board { grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--rule); }
  .home-question { grid-column: 1; }.home-house { grid-column: 2; }.home-planner { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; border-top: 1px solid var(--rule-soft); border-left: 0 !important; }
  .home-planner > .document-label, .home-planner > h2, .home-planner > p { grid-column: 1; }.home-planner form { grid-column: 2; grid-row: 1 / span 5; margin-top: 0; }.mini-result { grid-column: 1; }
  .atlas-band { grid-template-columns: 1fr; }.band-heading { border-right: 0; border-bottom: 1px solid var(--rule-soft); }
  .target-title, .planner-intro { grid-template-columns: 1fr; gap: 34px; }.target-title .house-drawing, .target-title .floor-drawing { max-width: 620px; }
  .target-chapters { grid-template-columns: 1fr 1fr; }.target-chapters > .document-label { grid-column: 1 / -1; padding-bottom: 14px; }.target-chapters a { min-height: 110px; border-top: 1px solid var(--rule-soft); }.target-chapters a:nth-of-type(odd) { border-left: 0; }
  .guide-grid { grid-template-columns: 1fr 1fr; }.guide-grid > aside { position: static; grid-column: 1 / -1; }.guide-grid > aside .parent-card { min-height: 76px; }.guide-grid > div:nth-child(2) { grid-column: 1; }.guide-visual { grid-column: 2; }
  .observation-row { grid-template-columns: 1fr; }.observation-row > div { min-height: 84px; border-right: 0; border-bottom: 1px solid var(--rule-soft); }
  .detail-title { grid-template-columns: 1fr; gap: 24px; }.detail-title .parent-card { min-height: 76px; }
  .utility-board { grid-template-columns: 1fr 1fr; }.utility-board > .utility-intro { grid-column: 1 / -1; border-bottom: 1px solid var(--rule-soft); }.utility-board > .tool-form { border-left: 0; }
  .reading-board { grid-template-columns: 1fr; padding-top: 32px; }.toc-rail { position: static; display: grid; grid-template-columns: repeat(2,1fr); grid-column: 1; border: 1px solid var(--rule); padding: 14px; }.toc-rail > .document-label { grid-column: 1/-1; }.toc-rail > .parent-card { grid-column: 1/-1; margin-top: 14px; }
  .article-copy { grid-column: 1; grid-template-columns: 1fr; }.manual-section { grid-column: 1; }.child-ledger, .faq-block, .source-ledger, .sibling-ledger { grid-column: 1; }
  .child-ledger { grid-template-columns: 1fr 1fr; }.child-ledger > .document-label { grid-column: 1/-1; }.child-ledger a:nth-of-type(1) { border-left: 0; }
  .source-ledger { grid-template-columns: 1fr; }.source-ledger > div { border-right: 0; border-bottom: 1px solid var(--rule-soft); }.source-ledger ol { columns: 1; }
  .sibling-ledger > div { grid-template-columns: 1fr 1fr; }.sibling-ledger a { border-bottom: 1px solid var(--rule-soft); }
  .planner-intro .breadcrumbs { grid-column: 1; }.planner-progress { width: 100%; }
  .planner-workspace { grid-template-columns: 1fr 1fr; }.planner-form { min-height: 560px; }.planner-house { grid-column: 2; }.planner-result { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4,1fr); gap: 0; border-top: 1px solid var(--rule-soft); border-left: 0 !important; }.planner-result > .document-label, .planner-result > .scenario-tabs, .planner-result > .manual-button { grid-column: 1 / -1; }.planner-result .result-group { border-bottom: 1px solid var(--rule-soft); border-right: 0; }
  .dossier-title { grid-template-columns: 1fr 1fr; }.dossier-title > div:first-child { grid-column: 1 / -1; }.dossier-ledgers { grid-template-columns: 1fr 1fr; }.dossier-ledgers section { border-bottom: 1px solid var(--rule); }
  .institution-header > div:not(.process-line):not(.method-panels) { grid-template-columns: 1fr; gap: 20px; }.process-line { grid-template-columns: repeat(4,1fr); }.process-line span { border-bottom: 1px solid var(--rule-soft); }.method-panels { grid-template-columns: 1fr 1fr; }.method-panels > section:last-child { grid-column: 1 / -1; border-top: 1px solid var(--rule-soft); }.institution-copy { grid-template-columns: 1fr; }.institution-copy > article { grid-column: 1; }
  .sitemap-tree > section { grid-template-columns: 1fr; }.tree-branch { margin-left: 40px; }
}

/* mobile */
@media (max-width: 560px) {
  body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); background-image: none; }
  h1 { font-size: 2.15rem; line-height: 1.06; }.lead { font-size: 17px; line-height: 1.58; }
  .manual-shell { width: min(calc(100% - 32px), var(--shell)); }
  .site-header { border-bottom-width: 1px; }.header-row { min-height: 72px; }.brand strong { font-size: 1.35rem; }.brand small { font-size: 10px; }
  .mobile-dock { position: fixed; z-index: 60; right: 0; bottom: 0; left: 0; display: grid; height: calc(72px + env(safe-area-inset-bottom)); grid-template-columns: 1fr 1fr 1fr; padding-bottom: env(safe-area-inset-bottom); border-top: 1px solid var(--ink); background: var(--surface); box-shadow: 0 -2px 0 rgba(6,35,43,.08); }
  .mobile-dock a { display: flex; min-width: 0; align-items: center; justify-content: center; flex-direction: column; gap: 3px; color: var(--ink); font: 600 10px var(--condensed); text-decoration: none; }.mobile-dock .dock-primary { position: relative; width: 68px; height: 68px; justify-self: center; margin-top: -11px; border: 1px solid var(--ink); border-radius: 50%; background: var(--action); }
  .breadcrumbs { overflow: hidden; min-height: 50px; flex-wrap: nowrap; }.breadcrumbs a:not(:last-of-type), .breadcrumbs i:not(:last-of-type) { display: none; }.breadcrumbs span { min-width: 0; }
  .meta-ledger { display: grid; grid-template-columns: 1fr 1fr; }.meta-ledger span { min-height: 38px; padding-inline: 8px; border-bottom: 1px solid var(--rule-soft); }.meta-ledger span:first-child { padding-left: 8px; }
  .home-board { display: block; width: 100%; border: 0; }
  .home-board > * { padding: 24px 16px; border-left: 0 !important; }
  .home-question h1 { max-width: 11ch; font-size: 2.65rem; line-height: 1.02; }
  .route-ledger a { min-height: 55px; grid-template-columns: 34px 27px 1fr 20px; }.route-ledger > a > b { font-size: 15px; }.route-ledger a strong { font-size: 15px; }.route-ledger a small { display: none; }
  .home-house { display: none; }
  .home-planner { display: block; margin-top: 10px; border: 1px solid var(--danger) !important; }
  .home-planner h2 { max-width: none; font-size: 1.7rem; }.home-planner form { margin-top: 20px; }.mini-result { margin-bottom: 0; }
  .atlas-band { width: 100%; border-inline: 0; }.band-heading { padding: 20px 16px; }
  .era-track { overflow-x: auto; grid-template-columns: repeat(4, 132px); scroll-snap-type: x mandatory; scrollbar-color: var(--ink) var(--surface-muted); }.era-track a { min-height: 145px; padding: 18px 12px; scroll-snap-align: start; }
  .safety-band { width: 100%; grid-template-columns: 1fr; border-inline: 0; border-top: 1px solid var(--rule); }.safety-first { border-right: 0; border-bottom: 1px solid var(--rule); padding: 20px 16px; }.safe-steps { display: none; }
  .home-proof { display: none; }
  .target-header, .guide-header, .detail-header, .planner-intro, .dossier-header, .institution-header { padding-bottom: 38px; }
  .target-title { gap: 24px; padding-bottom: 25px; }.target-title .house-drawing, .target-title .floor-drawing { max-height: none; }.target-title .house-zone em { display: block; font-size: 8px; }
  .target-chapters { grid-template-columns: 1fr; }.target-chapters a { min-height: 74px; grid-template-columns: 28px 31px 1fr 22px; align-items: center; border-left: 0; }.target-chapters a > .icon { display: block; }.target-chapters a small { display: none; }
  .triage-row { grid-template-columns: 1fr; }.triage { min-height: 80px; border-right: 0; border-bottom: 1px solid var(--rule-soft); }
  .guide-grid { display: flex; flex-direction: column; gap: 24px; }.guide-grid > aside { order: 2; width: 100%; }.guide-grid > div:nth-child(2) { order: 1; }.guide-visual { order: 3; width: 100%; padding: 15px; }
  .panel-drawing { grid-template-columns: 1fr; }.panel-drawing svg { max-height: 390px; }.diagram-legend { display: grid; grid-template-columns: 1fr 1fr; }
  .observation-row { margin-top: 22px; }
  .detail-title { padding-block: 10px 26px; }
  .utility-board { display: block; width: 100%; border-inline: 0; }.utility-board > * { padding: 22px 16px; }.utility-board > * + * { border-top: 1px solid var(--rule-soft); border-left: 0; }.score-ring { width: 108px; height: 108px; }
  .reading-board { width: 100%; padding: 0 16px 65px; border-top: 0; }.toc-rail { grid-template-columns: 1fr; margin-bottom: 35px; }.toc-rail > a:not(.parent-card) { min-height: 44px; align-items: center; }
  .manual-section { margin-bottom: 48px; }.manual-section > header { grid-template-columns: 35px 1fr; gap: 8px; }.manual-section > header h2 { font-size: 1.75rem; }.section-copy { padding-left: 0; }
  .section-copy li { padding-left: 34px; }
  .child-ledger { grid-template-columns: 1fr; }.child-ledger a { min-height: 88px; border-top: 1px solid var(--rule-soft); border-left: 0; }.child-ledger a small { display: none; }
  .faq-block { max-width: none; }.faq-block summary { min-height: 68px; }
  .source-ledger > div { padding: 18px; }.source-ledger ol { padding: 10px 18px; }
  .sibling-ledger > div { grid-template-columns: 1fr; }.sibling-ledger a { min-height: 58px; border-right: 0; }
  .planner-intro { display: block; padding-bottom: 16px; }.planner-progress { margin-top: 30px; }.planner-progress li { min-height: 68px; }.planner-progress li span { display: none; }.planner-progress li.active span { position: absolute; top: 72px; right: 0; left: 0; display: block; text-align: center; }.planner-progress { margin-bottom: 30px; }
  .planner-workspace { display: block; width: 100%; border-inline: 0; }.planner-workspace > * { padding: 20px 16px; border-left: 0 !important; }.planner-form { min-height: 500px; }.planner-house { display: none; }.planner-result { display: block; border-top: 1px solid var(--rule); }.scenario-tabs { margin-top: 14px; }.planner-controls .manual-button { padding-inline: 12px; font-size: 11px; }
  .dossier-title { grid-template-columns: 1fr; gap: 18px; }.dossier-title > div:first-child { grid-column: 1; }.dossier-title .outline-button { width: 100%; }.renovation-line { overflow-x: auto; grid-template-columns: repeat(4, 145px); padding: 24px 16px; scroll-snap-type: x mandatory; }.renovation-line span { scroll-snap-align: start; }.dossier-ledgers { grid-template-columns: 1fr; }.dossier-ledgers section { min-height: 110px; border-right: 0; }
  .institution-header > div:not(.process-line):not(.method-panels) { padding-bottom: 30px; }.process-line { grid-template-columns: 1fr; }.process-line span { min-height: 62px; grid-template-columns: 38px 1fr; align-content: center; align-items: center; gap: 12px; border-right: 0; }.method-panels { grid-template-columns: 1fr; }.method-panels > section { border-right: 0; border-bottom: 1px solid var(--rule-soft); }.method-panels > section:last-child { grid-column: 1; }
  .sitemap-tree > section > header { grid-template-columns: 34px 1fr; }.tree-branch { grid-template-columns: 1fr; margin-left: 0; }.tree-branch ul { border-top: 1px solid var(--rule-soft); border-left: 0; }
  .site-footer > .proof-grid { display: none; }.footer-links { min-height: 90px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 9px; }.footer-links nav { gap: 10px 16px; }
  .not-found { margin: 8vh 16px; width: auto; padding: 30px 22px; }
}

@media (max-width: 370px) {
  .brand strong { font-size: 1.18rem; }
  .home-question h1 { font-size: 2.35rem; }
  .route-ledger a { grid-template-columns: 32px 23px 1fr 18px; gap: 7px; }
  .meta-ledger { grid-template-columns: 1fr; }
  .diagram-legend { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
  :root { --paper: #fff; --surface: #fff; --surface-muted: #f4f4f4; }
  @page { margin: 14mm; }
  body { padding: 0; background: #fff; color: #000; font-size: 10.5pt; }
  .site-header, .mobile-dock, .site-footer, .nav-toggle, .manual-button, .outline-button, .planner-controls, .scenario-tabs, .toc-rail { display: none !important; }
  .manual-shell, .reading-board { width: 100%; }
  .breadcrumbs { min-height: 28px; }
  .target-title, .guide-grid, .detail-title, .dossier-title, .planner-intro { display: block; }
  .reading-board, .article-copy, .institution-copy { display: block; padding-block: 10mm; }
  .manual-section, .triage, .source-ledger, .dossier-ledgers section, .planner-result, .planner-step, .child-ledger a { break-inside: avoid; }
  .planner-step { display: block !important; margin-bottom: 8mm; }
  .planner-workspace { display: grid; grid-template-columns: 2fr 1fr; }
  .planner-house { display: none; }.planner-result { display: block; }
  a { color: #000; text-decoration: none; }
  .house-zone em { display: block; }
}