/* Hallmark · genre: modern-minimal · macrostructure: Map / Diagram · theme: custom (preserved) · enrichment: H9 Tier-A path map + F5 annotated product examples (no stock or 3D imagery) · nav: N11 · footer: Ft1
 * H9 knobs: build=Tier-A CSS, animation=load-once ink-on (≤5 marks), scale=dominant, span=bracket over all three stations, base=edge-to-edge foundation strip
 * N11 knobs: columns=intro + 2-col links + promo card (intro dropped 64–80rem), scrim=dim only, open=hover+click (click after hover keeps it open)
 * Ft1 knobs: wordmark=xl, tagline=roman body, links=site menu inline + service links row
 * F3 knobs: columns=2 key/val, rules=every row, numbers=tabular · F4 knobs: numbering=1–5 numerals, layout=horizontal flow, connector=line
 * F5 knobs: callouts=numbered pins on brand heroes / none in home peek, frame=plain document card, anchor=text-led, label=예시 화면
 * tone: technical, orderly · audience: 공공기관 실무자, 취업준비생·대학생, 교육기관·기업 (inferred) · use: 서비스 이해 → 도입 문의
 * pre-emit critique: P4 H4 E4 S4 R4 V5
 * contrast: pass (40–41; axe-core 0 violations, 8 pages × light/dark × 1440/375) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47)
 * tokens: pass (48) · responsive: pass (49) · icons: pass (30) · mobile: pass (34, 49, 50–57; 320/375/414/768/1024/1280/1440/1920)
 * tokens: css/tokens.css
 */

:root { --logo-mask: 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"); }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 3.25rem + var(--space-md)); }
body {
  overflow-x: clip;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p, dl, dd, ol, ul, figure, blockquote { margin: 0; }
ol, ul { padding: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: var(--weight-display);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  overflow-wrap: anywhere;
  word-break: keep-all;
  min-width: 0;
  text-wrap: balance;
}
a { color: inherit; }
p, li, dd { text-wrap: pretty; }
[hidden] { display: none !important; }
.nw { white-space: nowrap; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }
.tnum { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: var(--radius-sm); }
.band-deep :focus-visible, .cta-band :focus-visible, .map__base :focus-visible { outline-color: var(--color-deep-accent); }

.skip {
  position: absolute; left: var(--space-md); top: -4rem; z-index: var(--z-modal);
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-xs) var(--space-md); border-radius: var(--radius-sm); text-decoration: none;
}
.skip:focus-visible { top: var(--space-md); }

.wrap { max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-gutter); }

/* ---------- small parts ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs);
  min-height: 44px; padding: var(--space-sm) 1.25rem;
  border: var(--rule-hair) solid transparent; border-radius: var(--radius-xs);
  font: 500 var(--text-base)/1.5 var(--font-body);
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}
.btn svg { width: 1em; height: 1em; flex: none; }
.btn--sm { min-height: 38px; padding: 0.5rem 1rem; font-size: var(--text-xs); }
.btn--fill { background: var(--color-cta); border-color: var(--color-cta); color: var(--color-cta-ink); }
.btn--line { background: transparent; border-color: var(--color-ink); color: var(--color-ink); }
@media (hover: hover) and (pointer: fine) {
  .btn--fill:hover { background: var(--color-cta-hover); border-color: var(--color-cta-hover); }
  .btn--line:hover { background: var(--color-ink); color: var(--color-paper); }
}
.btn:active { transform: translateY(1px); }
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
@media (pointer: coarse) { .btn { min-height: 48px; } }

.tlink {
  font-weight: 600; color: var(--color-ink); white-space: nowrap;
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.32em;
  text-decoration-color: var(--color-rule);
  transition: text-decoration-color var(--dur-short) var(--ease-out);
}
.tlink:hover { text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; }
.tlink svg { width: 0.85em; height: 0.85em; vertical-align: -0.05em; margin-inline-start: var(--space-2xs); }
.tlink--deep { color: var(--color-deep-ink); text-decoration-color: var(--color-deep-rule); }
.tlink--deep:hover { text-decoration-color: var(--color-deep-accent); }

.status {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: var(--space-2xs) var(--space-sm) var(--space-2xs) var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-sm);
  background: var(--color-paper);
  font-size: var(--text-xs); font-weight: 500; line-height: 1.2; color: var(--color-ink-2); white-space: nowrap;
}
.dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; flex: none; background: var(--color-plan); }
.status--live .dot { background: var(--color-live); }
.status--build .dot { background: var(--color-build); }
.status--plan .dot { background: var(--color-plan); }

.ver { font-family: var(--font-mono); font-size: 0.875em; font-variant-numeric: tabular-nums; color: var(--color-muted); white-space: nowrap; }
.tag {
  display: inline-block; padding: var(--space-3xs) var(--space-xs); border-radius: var(--radius-sm);
  background: var(--color-paper-3); color: var(--color-ink-2);
  font-size: var(--text-xs); font-weight: 500; line-height: 1.5; white-space: nowrap;
}

.copy {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  min-height: 36px; padding: var(--space-2xs) var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-sm);
  background: var(--color-paper); color: var(--color-ink-2);
  font-size: var(--text-xs); font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.copy svg { width: 0.95em; height: 0.95em; }
.copy__idle { display: inline-flex; align-items: center; gap: var(--space-xs); }
.copy .copy__done { display: none; }
.copy[data-state="copied"] .copy__idle { display: none; }
.copy[data-state="copied"] .copy__done { display: inline-flex; align-items: center; gap: var(--space-xs); }
@media (hover: hover) and (pointer: fine) { .copy:hover { background: var(--color-paper-2); border-color: var(--color-field-line); } }
@media (pointer: coarse) { .copy { min-height: 44px; } }
.copy:active { background: var(--color-paper-3); }
.copy:disabled, .menu-btn:disabled, .gnav__trigger:disabled { opacity: 0.55; cursor: not-allowed; }
.copyline { display: inline-flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs) var(--space-sm); }
.copyline__text { font-weight: 600; user-select: all; overflow-wrap: anywhere; }

/* ---------- header · N11 mega-menu ---------- */
.site-header {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: var(--z-sticky);
  background: var(--color-paper);
  border-bottom: var(--rule-hair) solid var(--color-rule-2);
}
.site-header__bar {
  display: flex; align-items: center; gap: var(--space-md);
  height: var(--header-h);
  max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-gutter);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-xs); color: var(--color-ink); text-decoration: none; white-space: nowrap; }
.brand__mark {
  width: 1.625rem; height: 1.625rem; flex: none; background: currentColor;
  -webkit-mask: var(--logo-mask) center / contain no-repeat;
  mask: var(--logo-mask) center / contain no-repeat;
}
.brand__word { font: 700 1.125rem/1 var(--font-display); letter-spacing: -0.02em; }

.gnav { display: none; }
.site-header__end { margin-inline-start: auto; display: flex; align-items: center; gap: var(--space-xs); }
.site-header__cta { display: none; }
.menu-btn {
  width: 44px; height: 44px; display: grid; place-items: center;
  border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--color-ink); cursor: pointer;
}
.menu-btn svg { width: 22px; height: 22px; }
.menu-btn:active { background: var(--color-paper-2); }
.menu-btn .i-close { display: none; }
.menu-btn[aria-expanded="true"] .i-open { display: none; }
.menu-btn[aria-expanded="true"] .i-close { display: block; }

@media (min-width: 40rem) { .site-header__cta { display: inline-flex; } }
@media (min-width: 64rem) {
  .menu-btn { display: none; }
  .gnav { display: flex; align-items: stretch; align-self: stretch; margin-inline-start: var(--space-xl); }
  .site-header__end { margin-inline-start: auto; }
}
.gnav__item { display: flex; }
.gnav__trigger {
  position: relative; display: inline-flex; align-items: center; gap: var(--space-2xs);
  padding: 0 var(--space-md); border: 0; background: none; cursor: pointer; white-space: nowrap;
  font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2);
  transition: color var(--dur-short) var(--ease-out);
}
.gnav__trigger svg { width: 0.75rem; height: 0.75rem; color: var(--color-muted); transition: transform var(--dur-short) var(--ease-out); }
.gnav__trigger::after {
  content: ""; position: absolute; left: var(--space-md); right: var(--space-md); bottom: -1px; height: 2px;
  background: var(--color-accent); transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-short) var(--ease-out);
}
.gnav__trigger:hover, .gnav__trigger[aria-expanded="true"] { color: var(--color-ink); }
.gnav__trigger[aria-expanded="true"] svg { transform: rotate(180deg); }
.gnav__trigger[data-current]::after, .gnav__trigger[aria-expanded="true"]::after { transform: scaleX(1); }
.gnav__trigger[data-current] { color: var(--color-ink); font-weight: 600; }
.gnav__trigger:focus-visible { outline-offset: -4px; }
.gnav__trigger:active { color: var(--color-ink); background: var(--color-paper-2); }

.mega {
  position: absolute; left: 0; right: 0; top: 100%;
  background: var(--color-paper);
  border-top: var(--rule-hair) solid var(--color-rule-2);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  box-shadow: var(--shadow-panel);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity calc(var(--dur-short) * 0.75) var(--ease-in), transform calc(var(--dur-short) * 0.75) var(--ease-in), visibility 0s linear calc(var(--dur-short) * 0.75);
}
.mega.is-open {
  opacity: 1; visibility: visible; transform: none;
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out), visibility 0s;
}
.mega__inner {
  max-width: var(--page-max); margin-inline: auto;
  padding: var(--space-xl) var(--page-gutter);
  display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 6fr) minmax(0, 3fr); gap: var(--space-xl);
}
/* 64–80rem: drop the intro column so two-column link titles stay on one line */
@media (max-width: 79.98rem) { .mega__intro { display: none; } .mega__inner { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); } }
.mega__title { font-size: 1.25rem; font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.mega__desc { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-muted); line-height: 1.6; }
.mega__links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xs) var(--space-md); align-content: start; }
.mega__link {
  display: grid; gap: var(--space-3xs); padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm);
  text-decoration: none; transition: background-color var(--dur-short) var(--ease-out);
}
.mega__link > b { font-weight: 600; font-size: var(--text-base); line-height: 1.4; }
.mega__link > span { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.5; }
.mega__link:hover, .mega__link[aria-current="page"] { background: var(--color-paper-2); }
.mega__feature {
  display: grid; align-content: start; gap: var(--space-xs);
  padding: var(--space-lg); border-radius: var(--radius-md);
  background: var(--color-paper-2); text-decoration: none;
}
.mega__feature b { font-weight: 700; line-height: 1.4; }
.mega__feature p { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.6; }
.mega__feature .tlink { justify-self: start; margin-top: var(--space-2xs); font-size: var(--text-sm); }

.scrim {
  position: fixed; inset: 0; z-index: var(--z-dropdown);
  background: var(--color-scrim);
  opacity: 0; visibility: hidden;
  transition: opacity var(--dur-short) var(--ease-out), visibility 0s linear var(--dur-short);
}
.scrim.is-on { opacity: 1; visibility: visible; transition: opacity var(--dur-short) var(--ease-out), visibility 0s; }

/* mobile drawer */
.drawer {
  position: fixed; left: 0; right: 0; bottom: 0;
  top: calc(var(--header-h) + env(safe-area-inset-top, 0px));
  z-index: var(--z-modal);
  background: var(--color-paper);
  border-top: var(--rule-hair) solid var(--color-rule-2);
  overflow-y: auto; overscroll-behavior: contain;
  opacity: 0; transform: translateY(-8px);
  transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out);
}
.drawer.is-open { opacity: 1; transform: none; }
.drawer__inner { padding: var(--space-md) var(--page-gutter) calc(var(--space-2xl) + env(safe-area-inset-bottom, 0px)); display: grid; gap: var(--space-xs); }
.drawer__group { border-bottom: var(--rule-hair) solid var(--color-rule-2); }
.drawer__group summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
  min-height: 56px; font-size: 1.125rem; font-weight: 600;
}
.drawer__group summary::-webkit-details-marker { display: none; }
.drawer__group summary svg { width: 1rem; height: 1rem; color: var(--color-muted); transition: transform var(--dur-short) var(--ease-out); }
.drawer__group[open] summary svg { transform: rotate(180deg); }
.drawer__links { display: grid; gap: var(--space-2xs); padding-bottom: var(--space-md); }
.drawer__links a { display: grid; gap: var(--space-3xs); padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); text-decoration: none; background: var(--color-paper-2); }
.drawer__links a > b { font-weight: 600; }
.drawer__links a > span { font-size: var(--text-xs); color: var(--color-muted); }
.drawer__foot { display: grid; gap: var(--space-md); padding-top: var(--space-lg); }
.drawer__foot .btn { justify-self: start; }
html.is-locked { overflow: hidden; }

/* ---------- sections ---------- */
.section { padding-block: var(--space-3xl); }
.section--top0 { padding-top: 0; }
.section--tint { background: var(--color-paper-2); }
.title-block { display: grid; gap: var(--space-md); padding-block: var(--space-xl) var(--space-2xl); }
.title-block h1 { font-size: var(--text-display); max-width: 14em; }
.title-block .lede { max-width: 34em; }
.stack { display: grid; gap: var(--space-lg); align-content: start; }
.head { display: grid; gap: var(--space-sm); align-content: start; margin-bottom: var(--space-xl); max-width: 46rem; }
.head h2 { font-size: var(--text-2xl); }
.head p { color: var(--color-ink-2); max-width: 40em; }
.head--row { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: var(--space-sm) var(--space-lg); max-width: none; }
.lede { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 36em; line-height: 1.65; }
.prose { display: grid; gap: var(--space-md); align-content: start; color: var(--color-ink-2); max-width: 40em; }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.note { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.6; }

/* ---------- index hero ---------- */
.hero { padding-block: var(--space-xl) var(--space-2xl); }
.hero__grid { display: grid; gap: var(--space-lg); }
.hero__title { font-size: var(--text-display); max-width: 11em; }
.hero__side { display: grid; gap: var(--space-lg); align-content: end; }
.hero__lede { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 30em; line-height: 1.65; }
@media (min-width: 60rem) {
  .hero { padding-block: var(--space-2xl) var(--space-3xl); }
  .hero__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-3xl); align-items: end; }
}

/* ---------- path map (H9, the one bold element) ---------- */
.map-sec { padding-block: 0 var(--space-3xl); }
.map {
  position: relative;
  padding: var(--space-xl) var(--space-lg) var(--space-lg);
  background: var(--color-paper-2);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-md);
}
.map__from, .map__to { font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); line-height: 1.4; }
.map__to { margin-top: var(--space-sm); padding-inline-start: var(--space-xl); }
.map__stations {
  position: relative; display: grid; gap: var(--space-xl);
  margin-top: var(--space-sm);
  padding-inline-start: var(--space-xl);
}
/* the axis: vertical on phones, horizontal from 60rem */
.map__stations::before {
  content: ""; position: absolute; left: 0.4rem; top: 0; bottom: 0; width: var(--rule-axis);
  background: var(--color-ink); transform-origin: top;
}
.map__stations::after {
  content: ""; position: absolute; left: calc(0.4rem - 5px); bottom: -10px;
  border: 6px solid transparent; border-top: 10px solid var(--color-ink);
}
.station { position: relative; display: flex; flex-direction: column; gap: var(--space-xs); min-width: 0; }
.station__pin {
  position: absolute; left: calc(-1 * var(--space-xl) + 0.4rem - 5px); top: 0.3rem;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--color-paper-2); border: var(--rule-axis) solid var(--color-ink);
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
.station:hover .station__pin, .station:focus-within .station__pin { background: var(--color-accent); border-color: var(--color-accent); }
.station__place { font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); line-height: 1.4; }
.station__name { font-size: 1.5rem; letter-spacing: -0.02em; }
.station__more { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2xs) var(--space-lg); margin-top: auto; padding-top: var(--space-sm); font-size: var(--text-sm); }
.station__more .tlink { display: inline-block; padding-block: var(--space-xs); }
.station__kind { font-weight: 600; color: var(--color-ink-2); line-height: 1.5; }
.station__desc { font-size: var(--text-sm); color: var(--color-ink-2); line-height: 1.65; max-width: 30em; }
.station__who { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.6; }
.station__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs) var(--space-sm); margin-top: var(--space-2xs); font-size: var(--text-xs); color: var(--color-ink-2); }
.station__programs { position: relative; z-index: var(--z-raised); margin-top: var(--space-xs); border-top: var(--rule-hair) solid var(--color-rule); }
.station__programs a {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-md);
  padding: var(--space-xs) 0; border-bottom: var(--rule-hair) solid var(--color-rule);
  font-size: var(--text-sm); font-weight: 500; text-decoration: none;
}
@media (max-width: 22.4rem) { .station__programs .ver { display: none; } }
.station__programs a > span:first-child { text-decoration: underline; text-decoration-color: var(--color-rule); text-underline-offset: 0.3em; }
.station__programs a:hover > span:first-child { text-decoration-color: var(--color-accent); text-decoration-thickness: 2px; }

.map__span {
  position: relative; margin-top: var(--space-xl);
  display: grid; gap: var(--space-md);
  padding-top: var(--space-lg); border-top: var(--rule-hair) solid var(--color-rule);
}
/* from 60rem a bracket over the whole path replaces the rule: 코드에이스 spans every station */
.map__span-label { font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); }
.span__head, .span__body { display: grid; gap: var(--space-xs); align-content: start; min-width: 0; }
.span__side { display: grid; gap: var(--space-xs); justify-items: start; align-content: start; }
.span__side .station__more { padding-top: 0; }

.map__base {
  /* the foundation layer: runs edge to edge along the bottom of the plate */
  margin: var(--space-xl) calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg));
  display: grid; gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: 0 0 calc(var(--radius-md) - 1px) calc(var(--radius-md) - 1px);
  background: var(--color-deep); color: var(--color-deep-ink);
}
.base__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: var(--space-xs) var(--space-md); }
.base__label { font-weight: 700; letter-spacing: -0.01em; }
.base__list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm) var(--space-lg); }
.base__list li { font-size: var(--text-sm); line-height: 1.5; padding-top: var(--space-sm); border-top: var(--rule-hair) solid var(--color-deep-rule); }

@media (min-width: 60rem) {
  .map { padding: var(--space-2xl) var(--space-xl) var(--space-xl); }
  .map__from, .map__to { position: absolute; top: var(--space-lg); margin: 0; padding: 0; }
  .map__from { left: var(--space-xl); }
  .map__to { right: var(--space-xl); }
  .map__stations {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.45fr);
    gap: var(--space-xl); margin-top: var(--space-md);
    padding-inline-start: 0; padding-top: var(--space-lg);
  }
  .map__stations::before { left: 0; right: 0; top: -1px; bottom: auto; width: auto; height: var(--rule-axis); transform-origin: left; }
  .map__stations::after { left: auto; right: -4px; bottom: auto; top: -6px; border: 6px solid transparent; border-left: 10px solid var(--color-ink); }
  .station__pin { left: 0; top: calc(-1 * var(--space-lg) - 7px); }
  .station__name { font-size: 1.75rem; }
  /* the span reuses the station columns: it sits under all three */
  .map__span { margin-top: var(--space-2xl); padding-top: var(--space-md); border-top: 0; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.45fr); gap: var(--space-xl); }
  .map__span::before {
    content: ""; position: absolute; left: 0; right: 0; top: calc(-1 * var(--space-md));
    height: 0.5rem; border: 1.5px solid var(--color-muted); border-bottom: 0; border-radius: 2px 2px 0 0;
  }
  .map__span-label { position: absolute; top: calc(-1 * var(--space-md) - 0.65rem); left: 50%; transform: translateX(-50%); padding: 0 var(--space-xs); background: var(--color-paper-2); white-space: nowrap; }
  .base__head { flex-direction: column; justify-content: start; }
  .map__base { margin: var(--space-2xl) calc(-1 * var(--space-xl)) calc(-1 * var(--space-xl)); padding: var(--space-lg) var(--space-xl); grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); align-items: start; gap: var(--space-xl); }
  .base__list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
/* one orchestrated load moment: the axis draws, then the station pins land (≤ 5 marks). Text never waits. */
@media (prefers-reduced-motion: no-preference) {
  .map__stations::before { animation: axis-draw-y 760ms var(--ease-out) both; }
  .map__stations::after { animation: fade-in 200ms var(--ease-out) 700ms both; }
  .station__pin { animation: pin-in var(--dur-short) var(--ease-out) both; animation-delay: calc(260ms + var(--i, 0) * 140ms); }
}
@media (prefers-reduced-motion: no-preference) and (min-width: 60rem) {
  .map__stations::before { animation-name: axis-draw-x; }
}
@keyframes axis-draw-y { from { transform: scaleY(0); } to { transform: none; } }
@keyframes axis-draw-x { from { transform: scaleX(0); } to { transform: none; } }
@keyframes pin-in { from { transform: scale(0.2); } to { transform: none; } }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* ---------- home: product peek ---------- */
.peek { display: grid; gap: var(--space-2xl); }
.peek__item { display: grid; grid-template-rows: 1fr auto; gap: var(--space-lg); }
.peek .example__doc { display: flex; flex-direction: column; }
.peek .example__caption { margin-top: auto; padding-top: var(--space-md); }
.peek__text { display: grid; gap: var(--space-xs); justify-items: start; }
.peek__text h3 { font-size: 1.375rem; letter-spacing: -0.015em; }
.peek__text p { color: var(--color-ink-2); max-width: 32em; }
@media (min-width: 60rem) { .peek { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl); } }

/* ---------- deep band (company mission) ---------- */
.band-deep { background: var(--color-deep); color: var(--color-deep-ink); padding-block: var(--space-3xl); }
.band-deep h2 { font-size: var(--text-2xl); }
.band-deep p { color: var(--color-deep-muted); }

/* ---------- dated log (news) ---------- */
.log { border-top: 2px solid var(--color-ink); }
.log__item {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule);
  align-items: center;
}
.log__item .tag { justify-self: start; }
.log__title { grid-column: 1 / -1; font-weight: 600; line-height: 1.5; text-decoration: none; }
.log__title:hover { text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 0.3em; }
.log__item time { font: 600 var(--text-sm)/1.6 var(--font-body); font-variant-numeric: tabular-nums; color: var(--color-ink-2); }
@media (min-width: 60rem) { .log__item { grid-template-columns: 8rem 10rem minmax(0, 1fr); } .log__title { grid-column: auto; } }

/* ---------- CTA band ---------- */
.cta-band { padding-block: var(--space-3xl); background: var(--color-deep); color: var(--color-deep-ink); }
.cta { display: grid; gap: var(--space-lg); }
.cta h2 { font-size: var(--text-2xl); max-width: 18em; }
.cta p { margin-top: var(--space-sm); color: var(--color-deep-muted); }
.cta .copyline__text { color: var(--color-deep-ink); }
.cta .copy { background: transparent; border-color: var(--color-deep-rule); color: var(--color-deep-ink); }
@media (hover: hover) and (pointer: fine) { .cta .copy:hover { background: var(--color-deep-2); border-color: var(--color-deep-muted); } }
.cta__actions { display: grid; gap: var(--space-md); justify-items: start; align-content: end; }
@media (min-width: 60rem) { .cta { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; column-gap: var(--space-3xl); } }

/* ---------- footer · Ft1 mast-headed ---------- */
.site-footer { background: var(--color-paper-2); border-top: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-2xl) var(--space-xl); }
.foot__mast { display: grid; gap: var(--space-lg); padding-bottom: var(--space-xl); border-bottom: var(--rule-hair) solid var(--color-rule); }
.foot__brand { display: grid; gap: var(--space-sm); justify-items: start; }
.foot__brand .brand__mark { width: 2.25rem; height: 2.25rem; }
.foot__brand .brand__word { font-size: 1.625rem; }
.foot__tagline { font-size: var(--text-lg); color: var(--color-ink-2); }
.foot__nav { display: grid; gap: var(--space-xs); align-content: end; }
.foot__links { display: flex; flex-wrap: wrap; gap: 0 var(--space-lg); align-content: start; }
.foot__links a { display: inline-block; padding-block: var(--space-xs); font-size: var(--text-sm); font-weight: 500; text-decoration: none; white-space: nowrap; }
.foot__ext { display: flex; flex-wrap: wrap; align-items: center; gap: 0 var(--space-lg); font-size: var(--text-sm); }
.foot__ext > span { font-size: var(--text-xs); color: var(--color-muted); }
.foot__ext a { display: inline-block; padding-block: var(--space-xs); }
.foot__links a:hover { text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 0.3em; }
.foot__links svg { width: 0.8em; height: 0.8em; margin-inline-start: var(--space-2xs); }
.foot__legal { display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-lg); margin-top: var(--space-lg); font-size: var(--text-xs); color: var(--color-muted); line-height: 1.7; }
.foot__legal div { display: flex; gap: var(--space-xs); }
.foot__legal dt { color: var(--color-muted); }
.foot__legal dd { color: var(--color-ink-2); }
.foot__copy { margin-top: var(--space-md); font-size: var(--text-xs); color: var(--color-muted); }
@media (min-width: 60rem) {
  .foot__mast { grid-template-columns: minmax(0, 1fr) auto; align-items: end; }
}

/* ---------- sub-page head: crumbs + local tabs ---------- */
.page-head { padding-top: var(--space-xl); }
.tabs-bar { position: sticky; top: calc(var(--header-h) + env(safe-area-inset-top, 0px)); z-index: var(--z-subnav); background: var(--color-paper); margin-top: var(--space-sm); }
.crumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2xs) 0; font-size: var(--text-xs); color: var(--color-muted); }
.crumbs li { display: inline-flex; align-items: center; white-space: nowrap; }
.crumbs li + li::before { content: ""; width: 0.35rem; height: 0.35rem; margin-inline: var(--space-xs); border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: rotate(45deg); }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; }
.crumbs [aria-current] { color: var(--color-ink-2); font-weight: 500; }
.tabs {
  display: flex; gap: var(--space-lg);
  border-bottom: var(--rule-hair) solid var(--color-rule);
  overflow-x: auto; scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tabs a {
  position: relative; flex: none; padding: var(--space-sm) 0; margin-bottom: -1px;
  font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2); text-decoration: none; white-space: nowrap;
  border-bottom: 2px solid transparent;
}
.tabs a:hover { color: var(--color-ink); }
.tabs a[aria-current="page"], .tabs a[aria-current="location"] { color: var(--color-ink); font-weight: 600; border-bottom-color: var(--color-accent); }
.tabs a:focus-visible { outline-offset: -2px; }

/* ---------- brand hero (sub-pages) ---------- */
.brand-hero { padding-block: var(--space-xl) var(--space-2xl); }
.brand-hero__grid { display: grid; gap: var(--space-xl); }
.brand-hero__text { display: grid; gap: var(--space-md); align-content: center; justify-items: start; }
.brand-hero h1 { font-size: var(--text-display); }
.brand-hero__kind { font-size: var(--text-lg); font-weight: 600; color: var(--color-ink-2); margin-top: calc(-1 * var(--space-xs)); }
.brand-hero__lede { font-size: var(--text-lg); color: var(--color-ink-2); max-width: 28em; line-height: 1.65; }
.brand-hero .actions { margin-top: var(--space-xs); }
.brand-hero__aside { display: grid; align-content: center; }
@media (min-width: 60rem) {
  .brand-hero { padding-block: var(--space-2xl) var(--space-3xl); }
  .brand-hero__grid { grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); gap: var(--space-3xl); align-items: center; }
}

/* ---------- two-column text + list ---------- */
.split { display: grid; gap: var(--space-xl); }
.split h2 { font-size: var(--text-2xl); }
@media (min-width: 60rem) { .split { grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: var(--space-3xl); } }
.ruled { border-top: 2px solid var(--color-ink); }
.ruled > li { padding-block: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule); color: var(--color-ink-2); line-height: 1.6; }
.ruled > li b { color: var(--color-ink); font-weight: 600; }
.list-title { font-size: var(--text-sm); font-weight: 600; color: var(--color-muted); margin-bottom: var(--space-sm); }
.ruled--lg > li { font-size: var(--text-sm); }
.ruled--lg > li b { font-size: var(--text-lg); display: inline-block; margin-bottom: var(--space-3xs); }

/* ---------- F3 spec sheet ---------- */
.spec { border-top: 2px solid var(--color-ink); }
.spec > div { display: grid; gap: var(--space-2xs) var(--space-lg); padding-block: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule); }
.spec dt { font-weight: 600; line-height: 1.5; }
.spec dd { color: var(--color-ink-2); line-height: 1.65; min-width: 0; }
.spec dd ul { display: grid; gap: var(--space-2xs); }
.spec dd li { position: relative; padding-inline-start: var(--space-md); }
.spec dd li::before { content: "–"; position: absolute; left: 0; top: 0; color: var(--color-muted); }
@media (min-width: 40rem) { .spec > div { grid-template-columns: 11rem minmax(0, 1fr); } }

/* ---------- F4 flow (genuine sequences only) ---------- */
.flow { display: grid; gap: var(--space-lg); counter-reset: none; }
.flow > li { position: relative; display: grid; grid-template-columns: 2.25rem minmax(0, 1fr); gap: var(--space-2xs) var(--space-md); }
.flow > li::before { content: ""; position: absolute; left: calc(1.125rem - 1px); top: 2.5rem; bottom: calc(-1 * var(--space-lg) + 0.25rem); width: 2px; background: var(--color-rule); }
.flow > li:last-child::before { display: none; }
.flow__n {
  grid-row: span 2; width: 2.25rem; height: 2.25rem; border-radius: 50%;
  display: grid; place-items: center;
  border: var(--rule-axis) solid var(--color-ink); background: var(--color-paper);
  font-weight: 700; font-variant-numeric: tabular-nums; line-height: 1;
}
.flow h3 { font-size: 1.125rem; letter-spacing: -0.01em; padding-top: var(--space-xs); }
.flow p { color: var(--color-ink-2); font-size: var(--text-sm); line-height: 1.65; }
.flow > li.is-key .flow__n { border-color: var(--color-accent); color: var(--color-accent-text); }
@media (min-width: 60rem) {
  .flow { grid-template-columns: repeat(var(--steps, 5), minmax(0, 1fr)); gap: var(--space-lg); }
  .flow > li { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); align-content: start; }
  .flow > li::before { left: 2.75rem; right: calc(-1 * var(--space-lg) + 0.5rem); top: calc(1.125rem - 1px); bottom: auto; width: auto; height: 2px; }
  .flow__n { grid-row: auto; }
  .flow h3 { padding-top: var(--space-2xs); }
}

/* ---------- F5 annotated example ---------- */
.example { display: grid; gap: var(--space-lg); }
.example__doc {
  position: relative; padding: var(--space-lg); border-radius: var(--radius-md);
  background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule);
  box-shadow: var(--shadow-whisper); font-size: var(--text-sm); line-height: 1.75;
}
.example__top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-xs) var(--space-md); align-items: baseline; padding-bottom: var(--space-sm); margin-bottom: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule-2); }
.example__top b { font-weight: 600; }
.example__top > span { font-size: var(--text-xs); color: var(--color-muted); }
.example__steps { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin-bottom: var(--space-md); }
.example__steps li { padding: var(--space-2xs) var(--space-xs); border-radius: var(--radius-sm); background: var(--color-paper-2); font-size: var(--text-xs); color: var(--color-muted); }
.example__steps li[aria-current] { background: var(--color-ink); color: var(--color-paper); font-weight: 600; }
.example__row { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: var(--space-sm); padding: var(--space-sm); border-radius: var(--radius-sm); background: var(--color-paper-2); }
.example__row + .example__row { margin-top: var(--space-xs); }
.example__k { font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); }
.example__doc mark { background: var(--color-accent-soft); color: var(--color-ink); padding: 0 var(--space-3xs); border-radius: 3px; text-decoration: underline 2px var(--color-accent); text-underline-offset: 2px; text-decoration-skip-ink: none; }
.example__memo { margin-top: var(--space-md); padding: var(--space-md); border-radius: var(--radius-sm); border: 1.5px dashed var(--color-field-line); }
.example__memo b { display: block; font-size: var(--text-xs); color: var(--color-muted); margin-bottom: var(--space-2xs); }
.pin {
  display: inline-grid; place-items: center; width: 1.35rem; height: 1.35rem; border-radius: 50%;
  background: var(--color-accent); color: var(--color-cta-ink);
  font-size: 0.75rem; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums;
  vertical-align: 0.1em; margin-inline: var(--space-3xs);
}
.example__legend { display: grid; gap: var(--space-md); align-content: center; }
.example__legend li { display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); gap: var(--space-sm); color: var(--color-ink-2); line-height: 1.6; }
.example__legend .pin { margin: var(--space-3xs) 0 0; }
.example__legend b { color: var(--color-ink); font-weight: 600; display: block; }
.example__caption { margin-top: var(--space-md); font-size: var(--text-xs); color: var(--color-muted); }
@media (min-width: 60rem) { .example { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-2xl); align-items: center; } }
.example--stack { grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); }
.example--stack .example__legend { padding-inline: var(--space-2xs); }

/* ---------- boxed notice (pricing, beta) ---------- */
.notice {
  display: grid; gap: var(--space-lg);
  padding: var(--space-xl) var(--space-lg); border-radius: var(--radius-md);
  background: var(--color-paper-2); border: var(--rule-hair) solid var(--color-rule-2);
}
.notice h2 { font-size: var(--text-2xl); }
.notice p { color: var(--color-ink-2); max-width: 36em; }
.notice .actions { align-self: end; }
@media (min-width: 60rem) { .notice { grid-template-columns: minmax(0, 1fr) auto; align-items: end; padding: var(--space-2xl) var(--space-2xl); } }

/* ---------- programs ---------- */
.ptable { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.ptable caption { text-align: left; font-size: var(--text-xs); color: var(--color-muted); padding-bottom: var(--space-xs); }
.ptable th { text-align: left; font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); padding: 0 var(--space-sm) var(--space-xs) 0; border-bottom: 2px solid var(--color-ink); }
.ptable td { padding: var(--space-sm) var(--space-sm) var(--space-sm) 0; border-bottom: var(--rule-hair) solid var(--color-rule); vertical-align: top; line-height: 1.5; }
.ptable td:first-child a { font-weight: 600; text-decoration: none; }
.ptable td:first-child a:hover { text-decoration: underline; text-decoration-color: var(--color-accent); text-underline-offset: 0.3em; }
.ptable th:last-child, .ptable td:last-child { text-align: right; padding-right: 0; }
.ptable td:nth-child(2) { color: var(--color-ink-2); }
@media (max-width: 26rem) { .ptable th:nth-child(2), .ptable td:nth-child(2) { display: none; } }

.program { display: grid; gap: var(--space-lg); padding-block: var(--space-2xl); border-top: var(--rule-hair) solid var(--color-rule); }
.program__head { display: grid; gap: var(--space-xs); align-content: start; }
.program__head h2 { font-size: var(--text-2xl); }
.program__meta { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-2xs) var(--space-md); color: var(--color-ink-2); font-size: var(--text-sm); }
.io { display: grid; gap: var(--space-xs); margin-top: var(--space-sm); }
.io__cell { padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); background: var(--color-paper-2); }
.io__k { display: block; font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); }
.io__cell > p { font-weight: 600; line-height: 1.5; }
.io__cell--out { background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); box-shadow: var(--shadow-whisper); }
.io__kv { display: grid; grid-template-columns: 3.5rem minmax(0, 1fr); gap: var(--space-3xs) var(--space-sm); margin-top: var(--space-xs); font-size: var(--text-sm); line-height: 1.55; }
.io__kv dt { color: var(--color-muted); }
.io__kv dd { color: var(--color-ink); }
.io__doc { display: grid; gap: var(--space-2xs); margin-top: var(--space-xs); padding-top: var(--space-xs); border-top: var(--rule-hair) dashed var(--color-rule); font-size: var(--text-sm); line-height: 1.6; color: var(--color-ink-2); }
.io__doc b { color: var(--color-ink); font-weight: 700; line-height: 1.45; }
.io__doc small { font-size: var(--text-xs); font-weight: 600; color: var(--color-muted); }
.io__note { font-size: var(--text-xs); color: var(--color-muted); }
.io__arrow { position: relative; justify-self: start; margin-inline-start: var(--space-lg); width: 2px; height: 1.1rem; background: var(--color-ink); }
.io__arrow::after { content: ""; position: absolute; left: -4px; bottom: -7px; border: 5px solid transparent; border-top: 7px solid var(--color-ink); }
@media (min-width: 60rem) {
  .program { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-3xl); }
}

/* ---------- FAQ ---------- */
.faq { border-top: 2px solid var(--color-ink); }
.faq details { border-bottom: var(--rule-hair) solid var(--color-rule); }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
  padding-block: var(--space-md); min-height: 56px; font-weight: 600; line-height: 1.5;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary svg { flex: none; width: 1rem; height: 1rem; color: var(--color-muted); transition: transform var(--dur-short) var(--ease-out); }
.faq details[open] summary svg { transform: rotate(45deg); }
.faq summary:focus-visible { outline-offset: 2px; }
.faq .faq__a { padding-bottom: var(--space-lg); color: var(--color-ink-2); max-width: 40em; line-height: 1.7; }

/* ---------- form ---------- */
.form { display: grid; gap: var(--space-lg); }
.field { display: grid; gap: var(--space-xs); align-content: start; min-width: 0; }
.field__label { font-weight: 600; font-size: var(--text-sm); }
.field__label small { font-weight: 400; color: var(--color-muted); font-size: var(--text-xs); margin-inline-start: var(--space-xs); }
.field__input {
  width: 100%; min-height: 48px; padding: var(--space-sm) var(--space-md);
  border: var(--rule-hair) solid var(--color-field-line); border-radius: var(--radius-sm);
  background: var(--color-paper); color: var(--color-ink);
  outline: 2px solid transparent; outline-offset: 1px;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
textarea.field__input { min-height: 9rem; resize: vertical; line-height: 1.6; }
.field__input::placeholder { color: var(--color-muted); }
@media (hover: hover) { .field__input:hover { background: var(--color-paper-2); } }
.field__input:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; border-color: var(--color-ink-2); }
.field__input[aria-invalid="true"] { border-color: var(--color-error); }
.field__input:disabled { opacity: 0.55; cursor: not-allowed; background: var(--color-paper-2); }
.choice input:disabled + span { opacity: 0.55; cursor: not-allowed; }
.field__help { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.5; }
.field__error { display: none; font-size: var(--text-xs); font-weight: 500; color: var(--color-error); line-height: 1.5; }
.field__error svg { width: 0.95em; height: 0.95em; vertical-align: -0.12em; margin-inline-end: 0.25rem; }
.field.has-error .field__error { display: block; }
.field.has-error .field__help { display: none; }
.field__msg { min-height: calc(var(--text-xs) * 1.5); }
.form .btn { min-height: 48px; }
.form__row { display: grid; gap: var(--space-lg); }
@media (min-width: 40rem) { .form__row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.choices { border: 0; padding: 0; margin: 0; min-width: 0; }
.choices legend { padding: 0; margin-bottom: var(--space-xs); font-weight: 600; font-size: var(--text-sm); }
.choices__list { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.choice { position: relative; }
.choice input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.choice > span {
  display: inline-block; min-height: 44px; padding: var(--space-sm) var(--space-md); line-height: 1.3;
  border: var(--rule-hair) solid var(--color-field-line); border-radius: var(--radius-sm);
  font-size: var(--text-sm); font-weight: 500; white-space: nowrap; color: var(--color-ink-2);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out);
}
@media (hover: hover) { .choice input:hover + span { background: var(--color-paper-2); } }
.choice input:checked + span { background: var(--color-ink); border-color: var(--color-ink); color: var(--color-paper); }
.choice input:focus-visible + span { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.form__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm) var(--space-lg); }
.form__privacy { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.6; max-width: 40em; }
.result {
  display: grid; gap: var(--space-md); padding: var(--space-lg); border-radius: var(--radius-md);
  background: var(--color-paper-2); border: var(--rule-hair) solid var(--color-rule);
}
.result h3 { font-size: 1.125rem; }
.result pre {
  margin: 0; padding: var(--space-md); border-radius: var(--radius-sm);
  background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule-2);
  font: 400 var(--text-sm)/1.7 var(--font-body); white-space: pre-wrap; overflow-wrap: anywhere; max-height: 18rem; overflow: auto;
}
.support-grid { display: grid; gap: var(--space-2xl); }
.support-grid__aside { display: grid; gap: var(--space-lg); align-content: start; }
@media (min-width: 60rem) { .support-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--space-3xl); } }

/* ---------- newsroom ---------- */
.posts { border-top: 2px solid var(--color-ink); }
.post { border-bottom: var(--rule-hair) solid var(--color-rule); }
.post summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-xs) var(--space-md);
  padding-block: var(--space-lg); align-items: start;
}
.post summary::-webkit-details-marker { display: none; }
.post__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-xs) var(--space-sm); grid-column: 1; }
.post__meta time { font: 600 var(--text-sm)/1.5 var(--font-body); font-variant-numeric: tabular-nums; color: var(--color-ink-2); }
.post__title { grid-column: 1; font-size: 1.25rem; letter-spacing: -0.015em; line-height: 1.4; }
.post summary svg { grid-column: 2; grid-row: 1 / span 2; align-self: center; width: 1rem; height: 1rem; color: var(--color-muted); transition: transform var(--dur-short) var(--ease-out); }
.post[open] summary svg { transform: rotate(45deg); }
.post__body { display: grid; gap: var(--space-sm); padding-bottom: var(--space-lg); color: var(--color-ink-2); max-width: 40em; line-height: 1.75; }
.post__body ul { display: grid; gap: var(--space-2xs); }
.post__body li { position: relative; padding-inline-start: var(--space-md); }
.post__body li::before { content: "–"; position: absolute; left: 0; top: 0; color: var(--color-muted); }

/* ---------- company ---------- */
.mission { display: grid; gap: var(--space-2xl); align-items: start; }
.mission__text { display: grid; gap: var(--space-xl); align-content: start; }
.mission__problem { display: grid; gap: var(--space-sm); align-content: start; padding-top: var(--space-lg); border-top: var(--rule-hair) solid var(--color-deep-rule); }
.mission__problem h3 { font-size: 1.125rem; letter-spacing: -0.01em; }
.mission__problem p { line-height: 1.75; max-width: 38em; }
.mission__pair { display: grid; gap: var(--space-lg); }
.mission__pair dt { font-size: var(--text-sm); font-weight: 600; color: var(--color-deep-muted); }
.mission__pair dd { margin-top: var(--space-xs); font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; color: var(--color-deep-ink); text-wrap: balance; overflow-wrap: anywhere; min-width: 0; }
.values { display: grid; gap: 0; border-top: var(--rule-hair) solid var(--color-deep-rule); }
.values > div { padding-block: var(--space-lg); border-bottom: var(--rule-hair) solid var(--color-deep-rule); display: grid; gap: var(--space-xs); }
.values dt { font-weight: 700; }
.values dd { color: var(--color-deep-muted); font-size: var(--text-sm); line-height: 1.65; }
@media (min-width: 40rem) { .values { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-xl); } }
@media (min-width: 60rem) {
  .mission { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: var(--space-3xl); }
  .mission__problem { margin-top: calc(var(--text-2xl) * 1.2 + var(--space-xl)); }
  .values { grid-column: 1 / -1; grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .values > div { padding-inline-end: var(--space-lg); }
}
.timeline { border-top: 2px solid var(--color-ink); }
.timeline > li { display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule); }
.timeline time { font: 600 var(--text-sm)/1.7 var(--font-body); font-variant-numeric: tabular-nums; }
.timeline ul { display: grid; gap: var(--space-2xs); color: var(--color-ink-2); }
.timeline ul li { line-height: 1.7; }
@media (min-width: 60rem) { .timeline > li { grid-template-columns: 8rem minmax(0, 1fr); } }
.side-head { display: grid; gap: var(--space-lg); }
.side-head > .head { margin-bottom: 0; }
@media (min-width: 60rem) { .side-head { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--space-3xl); } }


/* ================================================================
 * v2 reference layer — rulebase.co 시각 체계 (값은 tokens.css 머리말 참고)
 * ================================================================ */

/* ---------- surfaces & cards (rulebase: 흰 면 + 4px + 두 겹 그림자) ---------- */
.example__doc { background: var(--color-surface); border: 0; box-shadow: var(--shadow-panel); line-height: var(--leading-body); }
.example__row { background: var(--color-bubble); }
.notice { background: var(--color-paper-2); border: 0; }
.site-footer { background: var(--color-paper-2); }
.btn--ghost { background: transparent; border-color: var(--color-deep-rule); color: var(--color-deep-ink); }
@media (hover: hover) and (pointer: fine) { .btn--ghost:hover { background: var(--color-deep-2); border-color: var(--color-deep-muted); } }
.section { padding-block: var(--space-3xl); }
@media (min-width: 60rem) { .section { padding-block: var(--space-4xl); } }

/* ---------- section heads (rulebase H2 60/60, 40/44) ---------- */
.head h2, .split h2, .notice h2, .band-deep h2 { font-size: var(--text-2xl); line-height: var(--leading-tight); }
.big-head { display: grid; gap: var(--space-md); margin-bottom: var(--space-2xl); max-width: 58rem; }
.big-head h2 { font-size: var(--text-display); line-height: var(--leading-tight); }
.big-head p { color: var(--color-ink-2); max-width: 36em; }

/* ---------- hero (rulebase: 어두운 글 칸 + 질감 면 위 제품 화면 카드) ---------- */
.hero2 { display: grid; background: var(--color-deep); color: var(--color-deep-ink); }
.hero2__text { display: grid; align-content: center; padding: var(--space-2xl) var(--page-gutter) var(--space-2xl); }
.hero2__inner { display: grid; gap: var(--space-lg); justify-items: start; max-width: 34rem; }
.hero2__kicker .status { background: transparent; border-color: var(--color-deep-rule); color: var(--color-deep-muted); }
.hero2__title { font-size: var(--text-hero); line-height: 1.1; letter-spacing: var(--tracking-hero); }
.hero2__lede { color: var(--color-deep-muted); max-width: 28em; }
.hero2 :focus-visible { outline-color: var(--color-deep-accent); }
.hero2__stage { position: relative; overflow: hidden; min-height: 34rem; background: var(--color-paper-3); }
.hero2__ui { position: relative; display: grid; gap: var(--space-md); padding: var(--space-xl) var(--page-gutter); justify-items: center; }
@media (min-width: 60rem) {
  .hero2 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); min-height: min(46.5rem, calc(100svh - var(--header-h))); }
  .hero2__text { padding: var(--space-3xl) var(--space-2xl) var(--space-3xl) max(var(--page-gutter), calc((100vw - var(--page-max)) / 2 + var(--page-gutter))); }
  .hero2__ui { position: absolute; inset: 0; display: block; padding: 0; }
  .hero2__ui .ui--main { position: absolute; left: 12%; top: 13%; width: min(36rem, 76%); }
  .hero2__ui .ui--memo { position: absolute; right: 6%; bottom: 9%; width: min(19rem, 42%); }
  .hero2__ui .ui--toast { display: inline-flex; position: absolute; left: 7%; bottom: 13%; }
}

/* relief texture (SVG lighting) */
.relief { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
.relief-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.relief__light { lighting-color: var(--color-relief-light); }
.relief__light--cool { lighting-color: var(--color-relief-2); }

/* ---------- product UI mockups (rulebase 말풍선·카드 값) ---------- */
.ui {
  margin: 0; background: var(--color-surface); color: var(--color-ink); border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel); font-size: var(--text-ui); line-height: var(--leading-ui); text-align: start;
}
.ui__bar { display: flex; align-items: center; gap: var(--space-xs); min-width: 0; padding: var(--space-sm) var(--space-md); border-bottom: var(--rule-hair) solid var(--color-rule-2); }
.ui__bar b { font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ui__bar .ver { font-size: var(--text-2xs); }
.ui__meta { margin-inline-start: auto; font-size: var(--text-2xs); color: var(--color-muted); white-space: nowrap; }
.ui__app { display: inline-grid; place-items: center; width: 1.5rem; height: 1.5rem; flex: none; border-radius: var(--radius-sm); background: var(--color-deep); color: var(--color-deep-ink); }
.ui__app svg { width: 0.95rem; height: 0.95rem; }
.badge { display: inline-flex; align-items: center; gap: 0.375rem; margin-inline-start: auto; padding: 0.125rem 0.5rem; border-radius: var(--radius-sm); background: var(--color-bubble); font-size: var(--text-2xs); font-weight: 500; white-space: nowrap; }
.badge .dot { width: 0.4rem; height: 0.4rem; }
.badge--live .dot { background: var(--color-live); }
.badge--work .dot { background: var(--color-build); }
.ui__body { display: grid; gap: var(--space-md); padding: var(--space-md); }
.ui__form { display: grid; gap: var(--space-2xs); align-content: start; }
.ui__form div { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: var(--space-xs); padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm); background: var(--color-bubble); }
.ui__form dt { color: var(--color-muted); }
.ui__form dd { min-width: 0; }
.ui__out { display: grid; gap: var(--space-2xs); align-content: start; padding: var(--space-sm) var(--space-md); border-radius: var(--radius-sm); border: var(--rule-hair) solid var(--color-rule-2); }
.ui__k { font-size: var(--text-2xs); color: var(--color-muted); }
.ui__line { color: var(--color-ink-2); }
.ui__line--title { color: var(--color-ink); font-weight: 600; font-size: var(--text-xs); line-height: 1.4; }
.ui__line--sub { color: var(--color-ink); font-weight: 500; }
.ui__checks { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin-top: var(--space-xs); }
.ui__checks li { display: inline-flex; align-items: center; gap: 0.25rem; padding: 0.125rem 0.5rem; border-radius: var(--radius-sm); background: var(--color-bubble); font-size: var(--text-2xs); }
.ui__checks svg { width: 0.8rem; height: 0.8rem; color: var(--color-live); }
.ui__caption { padding: 0 var(--space-md) var(--space-sm); font-size: var(--text-2xs); color: var(--color-muted); }
@media (min-width: 40rem) { .ui__body { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); } }

.ui--memo { display: grid; gap: var(--space-xs); padding: var(--space-md) var(--space-md) 0; }
.ui__mini { display: flex; gap: var(--space-xs); align-items: baseline; }
.ui__mini b { font-weight: 600; }
.ui__mini span { font-size: var(--text-2xs); color: var(--color-muted); }
.bubble { padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-sm); background: var(--color-bubble); }
.bubble--flag { background: var(--color-accent-soft); color: var(--color-accent-deep); box-shadow: inset 0 0 0 1px var(--color-accent-ring); }
.ui--memo .ui__caption { padding-inline: 0; }

.ui--toast { display: inline-flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm) var(--space-md); }
.ui--toast b { display: block; font-weight: 600; }
.ui--toast span span { display: block; font-size: var(--text-2xs); color: var(--color-muted); }
.ui__tick { display: grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--color-deep); color: var(--color-deep-ink); }
.ui__tick svg { width: 0.95rem; height: 0.95rem; }

.ui--list .ui__rows { padding: var(--space-xs); }
.ui__rows a { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: var(--space-sm); align-items: center; padding: var(--space-sm); border-radius: var(--radius-sm); text-decoration: none; }
.ui__rows li + li a { border-top: var(--rule-hair) solid var(--color-rule-2); border-radius: 0; }
.ui__rows a:hover { background: var(--color-bubble); }
.ui__name { display: grid; min-width: 0; }
.ui__name b { font-weight: 600; font-size: var(--text-xs); }
.ui__name > span { color: var(--color-muted); font-size: var(--text-2xs); }
.ui--list .ui__caption, .ui--tracks .ui__caption { padding-top: var(--space-xs); }

.ui__tabs { display: flex; flex-wrap: wrap; gap: var(--space-2xs); padding: var(--space-sm) var(--space-md) 0; }
.ui__tabs > span { padding: 0.25rem 0.625rem; border-radius: var(--radius-sm); background: var(--color-bubble); font-size: var(--text-2xs); color: var(--color-muted); }
.ui__tabs .is-on { background: var(--color-deep); color: var(--color-deep-ink); }
.ui__track { display: grid; gap: var(--space-xs); padding: var(--space-md); }
.ui__track li { display: flex; align-items: center; gap: var(--space-sm); padding: var(--space-sm); border-radius: var(--radius-sm); border: var(--rule-hair) solid var(--color-rule-2); font-size: var(--text-xs); }
.ui__n { display: grid; place-items: center; width: 1.375rem; height: 1.375rem; flex: none; border-radius: 50%; background: var(--color-bubble); font-size: var(--text-2xs); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- service strip (rulebase 고객사 로고 띠 자리) ---------- */
.strip { padding-block: var(--space-2xl); border-bottom: var(--rule-hair) solid var(--color-rule); }
.strip__grid { display: grid; gap: var(--space-lg); }
.strip__title { font-size: var(--text-xs); font-weight: 400; letter-spacing: var(--tracking-body); color: var(--color-ink-2); max-width: 15em; }
.strip__tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xs); }
@media (max-width: 59.99rem) { .hero2__ui .ui--toast { display: none; } }
.strip__tiles a {
  display: grid; gap: var(--space-2xs); justify-items: start; height: 100%;
  padding: var(--space-md); border-radius: var(--radius-md); background: var(--color-paper-3); text-decoration: none;
  transition: background-color var(--dur-short) var(--ease-out);
}
.strip__tiles b { font-size: var(--text-lg); font-weight: 600; letter-spacing: -0.02em; }
.strip__tiles span:not(.status):not(.dot) { font-size: var(--text-xs); color: var(--color-ink-2); }
.strip__tiles .status { margin-top: var(--space-xs); background: var(--color-surface); border-color: transparent; }
@media (hover: hover) and (pointer: fine) { .strip__tiles a:hover { background: var(--color-paper-2); } }

@media (min-width: 60rem) {
  .strip__grid { grid-template-columns: minmax(0, 3fr) minmax(0, 9fr); align-items: center; gap: var(--space-2xl); }
  .strip__tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- feature bands (rulebase: 제목 + 질감 면 위 제품 화면, 좌우 교대) ---------- */
.band { padding-block: var(--space-3xl) 0; }
.band:last-of-type { padding-bottom: var(--space-3xl); }
.band__grid { display: grid; gap: var(--space-xl); align-items: center; }
.band__text { display: grid; gap: var(--space-md); justify-items: start; max-width: 32rem; }
.band__kind { display: flex; flex-wrap: wrap; gap: var(--space-2xs) var(--space-sm); font-size: var(--text-xs); color: var(--color-ink-2); }
.band__kind b { font-weight: 600; color: var(--color-accent-text); }
.band__text h2 { font-size: var(--text-2xl); line-height: 1.1; letter-spacing: var(--tracking-display); }
.band__desc { color: var(--color-ink-2); }
.band__points { display: grid; gap: var(--space-2xs); width: 100%; border-top: var(--rule-hair) solid var(--color-rule); padding-top: var(--space-sm); }
.band__points li { position: relative; padding-inline-start: var(--space-lg); font-size: var(--text-xs); color: var(--color-ink-2); }
.band__points li::before { content: ""; position: absolute; left: 0; top: 0.7em; width: 0.75rem; height: 2px; background: var(--color-accent); }
.band__links { display: flex; flex-wrap: wrap; gap: var(--space-xs) var(--space-lg); padding-top: var(--space-2xs); }
.band__stage { position: relative; overflow: hidden; display: grid; place-items: center; min-height: 26rem; padding: var(--space-2xl) var(--space-lg); border-radius: var(--radius-md); background: var(--color-paper-3); }
.band__ui { position: relative; width: min(100%, 31rem); }
.band__ui .example__doc { font-size: var(--text-xs); }
@media (min-width: 60rem) {
  .band { padding-block: var(--space-4xl) 0; }
  .band:last-of-type { padding-bottom: var(--space-4xl); }
  .band__grid { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-3xl); }
  .band--flip .band__grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
  .band--flip .band__text { order: 2; }
  .band__stage { min-height: 34rem; padding: var(--space-3xl); }
}

/* ---------- delivery steps (rulebase: 단계마다 선화 + 짧은 제목) ---------- */
.steps-sec { padding-block: var(--space-3xl); background: var(--color-paper-2); }
@media (min-width: 60rem) { .steps-sec { padding-block: var(--space-4xl); } }
.steps { display: grid; gap: var(--space-2xs); }
.step { display: grid; gap: var(--space-xs); align-content: start; padding: var(--space-lg); border-radius: var(--radius-md); background: var(--color-surface); }
.step .art { width: 7.5rem; height: 5rem; color: var(--color-accent); margin-bottom: var(--space-md); }
.art__halo { opacity: 0.35; }
.step__n { font-size: var(--text-2xs); color: var(--color-muted); font-variant-numeric: tabular-nums; }
.step h3 { font-size: var(--text-base); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; }
.step p { font-size: var(--text-xs); line-height: 1.45; color: var(--color-ink-2); }
@media (min-width: 40rem) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 60rem) { .steps { grid-template-columns: repeat(5, minmax(0, 1fr)); } .step { min-height: 17rem; } }

/* ---------- technology band (rulebase: 어두운 면 보안·규정 격자 자리) ---------- */
.tech { padding-block: var(--space-3xl); background: var(--color-deep); color: var(--color-deep-ink); }
@media (min-width: 60rem) { .tech { padding-block: var(--space-4xl); } }
.tech :focus-visible { outline-color: var(--color-deep-accent); }
.tech__head { display: grid; gap: var(--space-md); justify-items: start; max-width: 40rem; margin-bottom: var(--space-2xl); }
.tech__head h2 { font-size: var(--text-2xl); line-height: 1.1; }
.tech__head p { color: var(--color-deep-muted); }
.tech__grid { display: grid; gap: 1px; background: var(--color-deep-rule); border-block: var(--rule-hair) solid var(--color-deep-rule); }
.tech__grid li { display: grid; gap: var(--space-xs); align-content: start; padding: var(--space-lg) var(--space-lg) var(--space-xl) 0; background: var(--color-deep); }
.tech__ico { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; margin-bottom: var(--space-sm); border-radius: var(--radius-sm); background: var(--color-deep-2); color: var(--color-deep-accent); }
.tech__ico svg { width: 1.25rem; height: 1.25rem; }
.tech__grid h3 { font-size: var(--text-base); font-weight: 600; letter-spacing: -0.02em; }
.tech__grid p { font-size: var(--text-xs); line-height: 1.5; color: var(--color-deep-muted); }
@media (min-width: 40rem) { .tech__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .tech__grid li:nth-child(even) { padding-inline-start: var(--space-lg); } }
@media (min-width: 60rem) { .tech__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } .tech__grid li + li { padding-inline-start: var(--space-lg); } }
.facts { display: grid; gap: var(--space-lg); margin-top: var(--space-2xl); }
.facts dt { font-size: var(--text-xs); color: var(--color-deep-muted); }
.facts dd { font-size: var(--text-display); font-weight: var(--weight-display); line-height: 1.1; letter-spacing: var(--tracking-display); font-variant-numeric: tabular-nums; }
@media (min-width: 40rem) { .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.tech__src { margin-top: var(--space-lg); font-size: var(--text-2xs); color: var(--color-deep-muted); }
.tech__src a { color: var(--color-deep-ink); }

/* ---------- closing (rulebase: 마지막에 큰 제목 반복) ---------- */
.closing { padding-block: var(--space-3xl); border-top: var(--rule-hair) solid var(--color-rule); }
@media (min-width: 60rem) { .closing { padding-block: var(--space-4xl); } }
.closing__grid { display: grid; gap: var(--space-xl); }
.closing h2 { font-size: var(--text-display); line-height: var(--leading-tight); max-width: 13em; }
.closing__side { display: grid; gap: var(--space-md); align-content: end; justify-items: start; }
.closing__side > p:first-child { color: var(--color-ink-2); max-width: 26em; }
@media (min-width: 60rem) { .closing__grid { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); align-items: end; } }

/* ---------- sub-page hero: same dark→paper rhythm as the home (wise.co.kr 하위 페이지 머리 + rulebase 어두운 면) ---------- */
.brand-hero .example__doc, .program .io { box-shadow: var(--shadow-panel); }

@media (prefers-reduced-motion: reduce) {
  .strip__tiles a { transition: none; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .mega, .drawer { transform: none !important; }
  .gnav__trigger svg, .gnav__trigger::after, .drawer__group summary svg, .faq summary svg, .post summary svg { transition: none !important; }
  .btn { transition-property: background-color, border-color, color !important; }
  .btn:active { transform: none; }
}