/* ==========================================================================
   Run Playgrounds — site.css (global layer)
   Source of truth: _DESIGN-SYSTEM.md §0. Per-section layout lives in each
   page's <style> blocks, scoped to #{section-id}.
   ========================================================================== */

@font-face {
  font-family: "Archivo";
  src: url("/assets/fonts/archivo-var.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "Plex Mono";
  src: url("/assets/fonts/plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}

:root {
  --green: #0F3D3E;
  --char: #1B1F24;
  --yellow: #FFB400;
  --white: #FFFFFF;
  --warm: #F4F1EA;
  --line-warm: #E3DED3;
  --line-white: #D9DEDD;
  --muted: #5C6563;
  --on-dark: #FFFFFF;
  --on-dark-2: #B9C2C0;
  --line-dark: rgba(255, 255, 255, .18);

  /* type scale — modulus 1.333, seven steps, no in-betweens */
  --t-13: 13px;
  --t-17: 17px;
  --t-23: 23px;
  --t-30: 30px;
  --t-40: 40px;
  --t-72: 72px;
  --t-96: 96px;

  --f-sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* spacing — 8px base; section : block = 4 : 1 (visual 128 : 32) */
  --pad-sec: 64px;
  --gap-head: 48px;
  --gap-block: 32px;
  --gap-card: 24px;
  --radius: 2px;
}
@media (max-width: 768px) {
  :root { --pad-sec: 40px; --gap-head: 32px; --gap-block: 24px; --t-72: 48px; --t-40: 30px; }
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: var(--t-17);
  line-height: 1.6;
  color: var(--char);
  background: var(--white);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--green); text-underline-offset: 3px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.08; font-weight: 700; text-wrap: balance; }
h2 { font-size: var(--t-40); color: var(--green); letter-spacing: -0.01em; }
h3 { font-size: var(--t-23); font-weight: 600; line-height: 1.2; }
p { margin: 0 0 1em; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; }
main { display: block; overflow-x: clip; }
:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }
.on-dark :focus-visible, .on-dark:focus-visible { outline-color: var(--yellow); }

.skip-link { position: absolute; left: -999px; top: 0; background: var(--yellow); color: var(--char); padding: 8px 16px; z-index: 2000; }
.skip-link:focus { left: 8px; }

/* ---------- containers ---------- */
.wrap { width: 100%; max-width: 1320px; margin: 0 auto; padding: 0 32px; }
.wrap--1080 { max-width: 1080px; }
.wrap--720 { max-width: 720px; }
@media (max-width: 768px) { .wrap { padding: 0 20px; } }

/* ---------- sections ---------- */
.sec { position: relative; padding-block: var(--pad-sec); }
.sec--white { background-color: #FFFFFF; background-image: linear-gradient(180deg, #FFFFFF 0%, #FBFBFA 100%); }
.sec--warm  { background-color: #F4F1EA; background-image: linear-gradient(180deg, #F4F1EA 0%, #F1EDE4 100%); }
.sec--dark  { background-color: #0F3D3E; color: var(--on-dark); }
.sec--dark h2, .sec--dark h3 { color: var(--on-dark); }
.sec--dark p, .sec--dark li { color: var(--on-dark-2); }
.sec--dark a { color: var(--on-dark); }

/* section head: outline index dot + label */
.sec-label {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500;
  letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
  margin-bottom: 20px;
}
.sec--dark .sec-label { color: var(--on-dark-2); }
.idx {
  width: 36px; height: 36px; flex: 0 0 36px; border-radius: 50%;
  border: 1.5px solid var(--char); display: grid; place-items: center;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: 0; color: var(--char);
}
.sec--dark .idx { border-color: var(--on-dark); color: var(--on-dark); }
.lede { font-size: var(--t-17); color: var(--muted); max-width: 68ch; }
.sec--dark .lede { color: var(--on-dark-2); }

/* ---------- motif ②: yellow callout dot (verifiable) ---------- */
.dot {
  width: 28px; height: 28px; border-radius: 50%; background: var(--yellow); color: var(--char);
  display: inline-grid; place-items: center; flex: 0 0 28px;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; line-height: 1;
}
.callout { position: absolute; display: flex; align-items: center; gap: 0; }
.callout .dot { box-shadow: 0 0 0 3px rgba(255, 255, 255, .9); }
.callout__line { width: 40px; height: 1px; background: var(--char); }
.callout__text {
  background: #FFFFFF; border: 1px solid var(--char); padding: 4px 8px;
  font-family: var(--f-mono); font-size: var(--t-13); letter-spacing: .06em; text-transform: uppercase; color: var(--char); white-space: nowrap;
}

/* ---------- motif ③: part-number tag ---------- */
.tag {
  display: inline-block; border: 1px solid currentColor; padding: 3px 8px; border-radius: 0;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; line-height: 1.3;
}
.tag--in { color: var(--green); }
.tag--partner { color: var(--muted); border-style: dashed; }
.fig { position: relative; margin: 0; }
.fig > img { width: 100%; object-fit: cover; }
.fig__tag {
  position: absolute; left: 12px; bottom: 12px; background: #FFFFFF; color: var(--char);
  border: 1px solid var(--char); padding: 3px 8px;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .08em; text-transform: uppercase;
}

/* ---------- motif ②: dimension line ---------- */
.dim { display: flex; align-items: center; gap: 12px; width: 100%; color: var(--char); }
.dim__bar { flex: 1 1 auto; height: 18px; position: relative; border-left: 1px solid currentColor; border-right: 1px solid currentColor; transform-origin: left center; }
.dim__bar::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: currentColor; }
.dim__label { font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.dim--light { color: var(--on-dark); }

/* ---------- key numbers ---------- */
.num { font-family: var(--f-mono); font-weight: 500; font-size: var(--t-72); line-height: 1; letter-spacing: -0.03em; color: var(--char); }
.num--line { box-shadow: inset 0 -4px 0 var(--yellow); padding-bottom: 2px; }
.unit { font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; }
.sec--dark .num { color: var(--on-dark); }
.sec--dark .unit { color: var(--yellow); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px;
  font-family: var(--f-sans); font-size: var(--t-17); font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  text-decoration: none; border-radius: var(--radius); border: 1px solid transparent; cursor: pointer;
  transition: filter .15s ease, box-shadow .15s ease, transform .15s ease;
}
.btn--primary { background: var(--yellow); color: var(--char); }
.btn--primary:hover { filter: brightness(.94); box-shadow: 6px 6px 0 var(--char); transform: translate(-2px, -2px); }
.btn--ghost { background: transparent; color: var(--green); border-color: var(--green); }
.sec--dark .btn--ghost { color: var(--on-dark); border-color: var(--on-dark); }
.link-arrow { font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-arrow::after { content: " \2192"; }

/* ---------- lists ---------- */
.checks { list-style: none; display: grid; gap: 10px; }
.checks li { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; }
.checks svg { width: 20px; height: 20px; margin-top: 3px; stroke: var(--green); fill: none; stroke-width: 2; }
.sec--dark .checks svg { stroke: var(--yellow); }
.rule-list { list-style: none; border-top: 1px solid var(--line-white); }
.rule-list li { padding: 12px 0; border-bottom: 1px solid var(--line-white); }
.sec--warm .rule-list, .sec--warm .rule-list li { border-color: var(--line-warm); }
.sec--dark .rule-list, .sec--dark .rule-list li { border-color: var(--line-dark); }

/* definition rows (spec) */
.spec-dl { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); margin: 0; border-top: 1px solid var(--line-white); }
.spec-dl dt, .spec-dl dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line-white); }
.spec-dl dd { font-family: var(--f-mono); font-size: var(--t-17); }
.spec-dl dt { font-weight: 600; padding-right: 16px; }

/* ---------- divider shapes (upper section cuts its own bottom edge) ---------- */
.cut { z-index: 2; padding-bottom: calc(var(--pad-sec) + 32px); }
.cut + .sec, .cut + style + .sec { margin-top: -32px; padding-top: calc(var(--pad-sec) + 32px); z-index: 1; }
/* A · title-block tab notch (240×32 at left) */
.cut--a { clip-path: polygon(0 0, 100% 0, 100% 100%, 272px 100%, 272px calc(100% - 32px), 32px calc(100% - 32px), 32px 100%, 0 100%); }
/* B · single deck step (right half lifted 32px) */
.cut--b { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), 55% calc(100% - 32px), 55% 100%, 0 100%); }
/* C · steel-plate chamfer (right corner) */
.cut--c { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 64px) 100%, 0 100%); }
/* D · break band fold (hidden inside the gradient into the next dark section) */
.cut--d { clip-path: polygon(0 0, 100% 0, 100% 100%, 50% calc(100% - 1px), 0 100%); }
@media (max-width: 768px) {
  .cut--a { clip-path: polygon(0 0, 100% 0, 100% 100%, 152px 100%, 152px calc(100% - 32px), 20px calc(100% - 32px), 20px 100%, 0 100%); }
}

/* ---------- mobile sticky CTA bar (F4) ---------- */
.m-bar { display: none; }
@media (max-width: 768px) {
  .m-bar {
    display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1500;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: var(--char);
    transition: transform .2s ease;
  }
  .m-bar.is-hidden { transform: translateY(110%); }
  .m-bar a { min-height: 48px; font-size: var(--t-17); padding: 0 12px; }
  .m-bar .btn--ghost { color: #FFFFFF; border-color: #FFFFFF; }
  body { padding-bottom: 72px; }
  .whatsapp-widget, #whatsapp-widget, .wa-widget { display: none !important; }
}

/* ---------- form (title-block) ---------- */
.tb { background: #FFFFFF; color: var(--char); border: 1.5px solid var(--char); }
.tb__head { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: 1.5px solid var(--char); }
.tb__head div { padding: 8px 12px; border-right: 1px solid var(--char); font-family: var(--f-mono); font-size: var(--t-13); letter-spacing: .08em; text-transform: uppercase; }
.tb__head div:last-child { border-right: 0; }
.tb__head b { display: block; font-family: var(--f-sans); font-size: var(--t-17); letter-spacing: 0; text-transform: none; font-weight: 600; }
.tb__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.tb__cell { border-right: 1px solid var(--line-white); border-bottom: 1px solid var(--line-white); padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; }
.tb__cell label { font-family: var(--f-mono); font-size: var(--t-13); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.tb__cell input, .tb__cell select, .tb__cell textarea {
  font: inherit; font-size: var(--t-17); color: var(--char); border: 0; background: transparent; padding: 4px 0; width: 100%; min-width: 0;
  border-bottom: 1px solid transparent;
}
.tb__cell input:focus, .tb__cell select:focus, .tb__cell textarea:focus { outline: none; border-bottom-color: var(--green); }
.tb__cell:focus-within { background: #FBFAF6; }
.tb__cell textarea { resize: vertical; min-height: 88px; }
.tb__cell input:user-invalid { border-bottom-color: #B3261E; }
.tb__foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 12px; }
.tb__note { font-size: var(--t-17); color: var(--muted); margin: 0; }
.tb__status { font-size: var(--t-17); margin: 0; padding: 0 12px 16px; min-height: 1em; }
.tb__status.is-ok { color: var(--green); font-weight: 600; }
.tb__status.is-err { color: #B3261E; font-weight: 600; }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 768px) {
  .tb__grid, .tb__head { grid-template-columns: 1fr 1fr; }
  .tb__cell--wide, .tb__cell--full { grid-column: 1 / -1; }
}

/* ---------- motion ---------- */
@keyframes rp-rise { from { transform: translateY(24px); } to { transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- menu fit (plugin chrome; config untouched) ---------- */
@media (min-width: 1261px) {
  .dm-menu .dm-container { max-width: 1320px; }
  .dm-menu .dm-nav { gap: 0; }
  .dm-menu .dm-nav-link { padding: 10px 8px; }
  .dm-menu .dm-cta-button { padding: 10px 18px; white-space: nowrap; }
}
@media (min-width: 1261px) and (max-width: 1400px) {
  .dm-menu .dm-nav-link { padding: 10px 5px; font-size: var(--t-13); letter-spacing: .02em; }
  .dm-menu .dm-cta-button { font-size: var(--t-13); padding: 10px 14px; }
}

/* ---------- motif ④ status cell: QC release stamp, two states (§0, 2026-09-24) ---------- */
.stamp {
  --st-ink: var(--green); --st-fg: #FFFFFF;
  display: inline-flex; align-items: center; justify-content: center; height: 40px; padding: 0 16px;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .12em; text-transform: uppercase;
  line-height: 1; white-space: nowrap; border-radius: var(--radius); transform: rotate(-3deg);
  background: var(--st-ink); color: var(--st-fg);
  outline: 1.5px solid var(--st-ink); outline-offset: 3px; box-shadow: inset 0 0 0 1px var(--st-fg);
}
.stamp--hold { background: transparent; color: var(--char); outline: 0; box-shadow: none; border: 1.5px solid var(--char); }
.on-dark .stamp, .stamp--on-dark { --st-ink: #FFFFFF; --st-fg: var(--green); }
.on-dark .stamp--hold, .stamp--hold.stamp--on-dark { color: #FFFFFF; border-color: #FFFFFF; background: transparent; }
@keyframes stamp-drop { from { opacity: 0; transform: scale(1.25) rotate(-8deg); } to { opacity: 1; transform: rotate(-3deg); } }

/* ---------- record sheet (title-block style QC record; reused on dark and light bands) ---------- */
.record { background: #FFFFFF; color: var(--char); border: 1.5px solid var(--char); display: grid; grid-template-columns: 1fr 1fr; }
.record > div { padding: 8px 12px; border-right: 1px solid var(--line-white); border-bottom: 1px solid var(--line-white); min-width: 0; }
.record > div:nth-child(2n) { border-right: 0; }
.record > div:nth-last-child(-n+2) { border-bottom: 0; }
.record span { display: block; font-family: var(--f-mono); font-size: var(--t-13); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.record b { display: block; font-family: var(--f-mono); font-size: 15px; font-weight: 500; letter-spacing: .02em; }
.record .record__full { grid-column: 1 / -1; border-right: 0; }
.record .is-file b { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- about dividers: D binder holes (dark band top) · E tear-off perforation (dark band bottom) ---------- */
/* D · binder holes: the light section ABOVE a dark band is punched along its bottom edge; the dark band
   tucks 32px underneath (.cut--under) and shows through. Progressive: straight edge without shape(). */
.cut--binder { position: relative; z-index: 2; }
.cut--under { position: relative; z-index: 1; margin-top: -32px; padding-top: calc(var(--pad-sec) + 32px); }
@supports (clip-path: shape(from 0 0, line to 1px 1px)) {
  .cut--binder { clip-path: shape(evenodd from 0 0, hline to 100%, vline to 100%, hline to 0, close, move to 17px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 65px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 113px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 161px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 209px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 257px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 305px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 353px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 401px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 449px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 497px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 545px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 593px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 641px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 689px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 737px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 785px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 833px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 881px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 929px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 977px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1025px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1073px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1121px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1169px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1217px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1265px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1313px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1361px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1409px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1457px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1505px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1553px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1601px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1649px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1697px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1745px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1793px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1841px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1889px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1937px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 1985px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2033px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2081px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2129px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2177px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2225px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2273px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2321px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2369px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2417px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2465px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2513px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2561px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2609px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2657px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2705px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2753px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2801px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close, move to 2849px calc(100% - 18px), arc by 14px 0 of 7px cw, arc by -14px 0 of 7px cw, close); }
}
.cut--perf { padding-bottom: calc(var(--pad-sec) + 24px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 5.4px) calc(100% - 12.9px), calc(100% - 9.9px) calc(100% - 9.9px),
    calc(100% - 12.9px) calc(100% - 5.4px), calc(100% - 14px) 100%, 14px 100%, 12.9px calc(100% - 5.4px), 9.9px calc(100% - 9.9px),
    5.4px calc(100% - 12.9px), 0 calc(100% - 14px)); }
@supports (clip-path: shape(from 0 0, line to 1px 1px)) {
  .cut--perf { clip-path: shape(from 0 0, hline to 100%, vline to calc(100% - 14px),
    arc to calc(100% - 14px) 100% of 14px ccw, hline to 14px, arc to 0 calc(100% - 14px) of 14px ccw, close); }
}
.cut--perf::after { content: ""; position: absolute; left: 28px; right: 28px; bottom: 12px; border-top: 1px dashed rgba(255, 255, 255, .35); pointer-events: none; }
.record .dot { display: inline-grid; color: var(--char); letter-spacing: 0; font-family: var(--f-mono); }
.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; }

/* ---------- ③ zone chip (school / preschool pages): Mono label + a square keyed to zone A/B/C depth ---------- */
.zonechip { display: inline-flex; align-items: center; gap: 8px; background: #FFFFFF; color: var(--char); border: 1px solid var(--char);
  padding: 3px 8px; font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; line-height: 1.3; white-space: nowrap; }
.zonechip::before { content: ""; width: 8px; height: 8px; flex: 0 0 8px; background: rgba(15, 61, 62, var(--za, .14)); outline: 1px solid var(--green); }
.zonechip[data-zone="a"] { --za: .12; } .zonechip[data-zone="b"] { --za: .32; } .zonechip[data-zone="c"] { --za: .62; }
.on-dark .zonechip, .sec--dark .zonechip { background: transparent; color: #FFFFFF; border-color: rgba(255, 255, 255, .7); }
.on-dark .zonechip::before, .sec--dark .zonechip::before { background: rgba(255, 255, 255, var(--za, .3)); outline-color: #FFFFFF; }

/* ---------- route strip (hwb timeline thread; reused on the process pages, 2026-09-25) ---------- */
.route { display: inline-flex; align-items: center; gap: 0; margin-left: 4px; position: relative; isolation: isolate; }
.route i { width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--green); background: transparent; }
.route i + i { margin-left: 10px; }
.route i.on { background: var(--green); }
.route::before { content: ""; position: absolute; left: 4px; right: 4px; top: 50%; height: 1px; background: var(--green); z-index: -1; }
.route i { background: #FFFFFF; }
.sec--warm .route i { background: #F4F1EA; }
.route i.on { background: var(--green); }
.sec--dark .route i { border-color: #FFFFFF; background: #0F3D3E; }
.sec--dark .route i.on { background: #FFFFFF; }
.sec--dark .route::before { background: rgba(255,255,255,.6); }
@media (max-width: 560px) { .route { display: none; } }

/* ==========================================================================
   Outdoor spoke series kit (playground-slides, 2026-09-25 · Director: reused by
   every RP-01.x outdoor spoke). ① index rail ② single-item sheet ③ drawing line
   styles incl. use-zone + footing hatches (patterns #hatch-zone / #hatch-ftg are
   defined once per page in an inline <svg class="sr-only"><defs>) ④ copy list.
   ========================================================================== */
/* ① outdoor-line index rail — a 48px strip directly under the hero */
.oline { background: #FFFFFF; border-top: 1px solid var(--line-white); border-bottom: 1px solid var(--line-white); position: relative; z-index: 3; }
.oline .wrap { display: flex; align-items: center; gap: 8px; min-height: 48px; overflow-x: auto; scrollbar-width: none; }
.oline .wrap::-webkit-scrollbar { display: none; }
.oline__home { flex: 0 0 auto; font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .04em; text-transform: uppercase; color: var(--green); text-decoration: none; white-space: nowrap; }
.oline__home:hover { text-decoration: underline; }
.oline ol { list-style: none; display: flex; gap: 3px; margin: 0; padding: 0; flex: 1 1 auto; justify-content: space-between; }
.oline a { display: flex; gap: 4px; align-items: baseline; padding: 4px 5px; border: 1px solid var(--line-white); color: var(--char); text-decoration: none; white-space: nowrap;
  font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: 0; text-transform: uppercase; line-height: 1.4; }
.oline a span { color: var(--muted); }
.oline a:hover { border-color: var(--char); }
.oline a[aria-current="page"] { background: var(--char); border-color: var(--char); color: #FFFFFF; }
.oline a[aria-current="page"] span { color: var(--on-dark-2); }
@media (max-width: 1100px) { .oline ol { justify-content: flex-start; } }

/* ② single-item plan & elevation sheet with a 4-cell title block */
.sheet1 { background: #FFFFFF; color: var(--char); border: 1px solid var(--char); display: grid; grid-template-rows: 1fr auto; min-width: 0; }
.sheet1__tb { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--char); }
.sheet1__tb > div { padding: 6px 10px 8px; border-right: 1px solid var(--char); min-width: 0; }
.sheet1__tb > div:last-child { border-right: 0; }
.sheet1__tb span, .sheet1__tb b { display: block; font-family: var(--f-mono); font-size: var(--t-13); letter-spacing: .06em; text-transform: uppercase; line-height: 1.35; }
.sheet1__tb span { color: var(--muted); font-weight: 400; }
.sheet1__tb b { color: var(--char); font-weight: 500; overflow-wrap: anywhere; }
@media (max-width: 640px) { .sheet1__tb { grid-template-columns: 1fr 1fr; } .sheet1__tb > div:nth-child(2) { border-right: 0; } .sheet1__tb > div:nth-child(-n+2) { border-bottom: 1px solid var(--char); } }

/* ③ drawing line styles for inline SVG (outline symbols · use zone · footing · grade) */
.dwg { color: var(--char); overflow: visible; }
.dwg .ln { fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.dwg .thin { fill: none; stroke: currentColor; stroke-width: 1; }
.dwg .dash { fill: none; stroke: currentColor; stroke-width: 1; stroke-dasharray: 5 4; }
.dwg .zone { fill: url(#hatch-zone); stroke: currentColor; stroke-width: 1; stroke-dasharray: 5 4; }
.dwg .ftg { fill: url(#hatch-ftg); stroke: currentColor; stroke-width: 1; }
.dwg .grade { fill: none; stroke: currentColor; stroke-width: 2; }
.dwg .solid { fill: currentColor; stroke: none; }
.dwg .paper { fill: #FFFFFF; stroke: none; }
.dwg text { font-family: var(--f-mono); font-size: 13px; font-weight: 500; letter-spacing: .06em; fill: currentColor; }
.dwg .ydot { fill: var(--yellow); stroke: #FFFFFF; stroke-width: 2; }
.dwg .ydot + text, .dwg text.on-y { fill: var(--char); }

/* ④ copyable checklist sheet */
.clist { background: #FFFFFF; color: var(--char); border: 1px solid var(--char); padding: 24px 28px 20px; position: relative; }
.clist__top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--char); margin-bottom: 8px; }
.clist ul { list-style: none; display: grid; grid-template-columns: 1fr 1fr; column-gap: 32px; }
.clist li { display: grid; grid-template-columns: 18px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line-white); align-items: start; }
.clist li::before { content: ""; width: 16px; height: 16px; margin-top: 4px; border: 1.5px solid var(--char); }
.clist__copy { font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; background: #FFFFFF; color: var(--char); border: 1px solid var(--char); border-radius: var(--radius); padding: 8px 12px; cursor: pointer; }
.clist__copy:hover { background: var(--warm); }
.clist__foot { margin: 12px 0 0; font-family: var(--f-mono); font-size: var(--t-13); font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 700px) { .clist { padding: 18px 16px; } .clist ul { grid-template-columns: 1fr; } }