:root {
  --ink: #24231f;
  --ink-soft: #4a463d;
  --red: #a83d30;
  --red-deep: #8d2f24;
  --yellow: #f2cf27;
  --haz: #e0aa19;
  --paper: #e5d6b4;
  --band: #cfc4a6;
  --tint-rose: #e7c4b3;
  --tint-salmon: #ecd2ab;
  --tint-sand: #ddd0ad;
  --strip: #cf7a5e;
  --plate: #25282c;
  --white: #f7f1de;
  --page-ratio: 21 / 16;
  --u: 1cqw;
  --chrome: 150px;

  --book-w: max(720px, min(1500px, calc(100% - 150px), calc((100vh - var(--chrome)) * 1.80)));
  --flip-ms: 750ms;
  --pad-x: calc(5.6 * var(--u));
}

* { box-sizing: border-box; }
html { background: #26282c; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: radial-gradient(ellipse at 50% 25%, #3a3d43 0, #26282c 55%, #191a1d 100%);
}
#pages[hidden] { display: none; }

.desk { padding: 24px 0 26px; display: flex; flex-direction: column; align-items: center; }
.bookframe { position: relative; width: var(--book-w); }
.book {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  perspective: 2800px;
  transform: translateX(var(--shift, 0));
  transition: transform var(--flip-ms) ease-in-out, height var(--flip-ms) ease-in-out;
  touch-action: pan-y;
  user-select: none; -webkit-user-select: none;
}
.book img { -webkit-user-drag: none; user-drag: none; }
.book.closed-front { --shift: -25%; }
.book.closed-back { --shift: 25%; }

.leaf { position: relative; min-width: 0; display: flex; container-type: inline-size; }

.leaf-left { clip-path: inset(-80px 0 -80px -80px); }
.leaf-right { clip-path: inset(-80px -80px -80px 0); }
.measure {
  position: absolute; left: 0; top: 0; width: 50%; height: 0; overflow: hidden;
  visibility: hidden; pointer-events: none; display: block; container-type: inline-size;
}

.flipper {
  position: absolute; top: 0; width: 50%; height: 100%; z-index: 5;
  transform-style: preserve-3d; will-change: transform; pointer-events: none;
}
.flipper[hidden] { display: none; }
.flipper.fwd { left: 50%; transform-origin: left center; animation: flipFwd var(--flip-ms) cubic-bezier(.45, .05, .35, 1) forwards; }
.flipper.bwd { left: 0; transform-origin: right center; animation: flipBwd var(--flip-ms) cubic-bezier(.45, .05, .35, 1) forwards; }
@keyframes flipFwd { from { transform: rotateY(0deg); } to { transform: rotateY(-180deg); } }
@keyframes flipBwd { from { transform: rotateY(0deg); } to { transform: rotateY(180deg); } }
.face {
  position: absolute; inset: 0; display: flex; overflow: hidden;
  backface-visibility: hidden; -webkit-backface-visibility: hidden; container-type: inline-size;
}
.face-back { transform: rotateY(180deg); }
.face::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 3;
  background: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, .38));
  animation: shade var(--flip-ms) ease-in-out forwards;
}
.face-back::after { background: linear-gradient(to left, rgba(0, 0, 0, 0), rgba(0, 0, 0, .38)); }
@keyframes shade { 0% { opacity: 0; } 50% { opacity: 1; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { :root { --flip-ms: 1ms; } }

.turn {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 6;
  width: 54px; height: 54px; border-radius: 50%; cursor: pointer;
  background: var(--plate); color: var(--yellow); border: 2px solid var(--yellow);
  font: 900 18px/1 "Courier New", monospace; box-shadow: 0 6px 16px rgba(0, 0, 0, .55);
}
.turn:hover { background: #33373c; }
.turn:disabled { opacity: .25; cursor: default; }
.turn-prev { left: -68px; }
.turn-next { right: -68px; }
.bookbar {
  margin-top: 12px; display: flex; gap: 14px; align-items: center;
  font: 900 13px/1 "Courier New", monospace; letter-spacing: .16em; color: #e9e1ca;
}
.bookbar button {
  background: var(--plate); color: var(--yellow); border: 2px solid var(--yellow);
  padding: 9px 14px; font: inherit; letter-spacing: inherit; cursor: pointer;
}
.bookbar button:disabled { opacity: .25; cursor: default; }
.bookbar #where { min-width: 12ch; text-align: center; }
.bookbar .keys { font-weight: 400; color: #9d977f; letter-spacing: .08em; }

.page {
  position: relative;
  width: 100%;

  min-height: max(calc(76.2 * var(--u)), min(calc(100vh - var(--chrome)), calc(125 * var(--u))));
  display: flex; flex-direction: column;
  padding: calc(4.6 * var(--u)) var(--pad-x) calc(9.5 * var(--u));
  font-size: calc(2.15 * var(--u)); line-height: 1.42;
  color: var(--ink);
  background: var(--paper) url(assets/paper.webp) 0 0 / 1024px 1024px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, .55);
}
.page[data-side="right"] { background-position: 41% 63%; }
.page > * { position: relative; }
.page::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 58%, rgba(80, 55, 20, .22) 100%);
}
.page[data-side="left"]::before {
  background:
    linear-gradient(to left, rgba(60, 40, 12, .34), rgba(60, 40, 12, .10) 5%, transparent 13%),
    radial-gradient(ellipse at 50% 50%, transparent 58%, rgba(80, 55, 20, .22) 100%);
}
.page[data-side="right"]::before {
  background:
    linear-gradient(to right, rgba(60, 40, 12, .34), rgba(60, 40, 12, .10) 5%, transparent 13%),
    radial-gradient(ellipse at 50% 50%, transparent 58%, rgba(80, 55, 20, .22) 100%);
}
.leaf-left .page, .face .page { cursor: default; }

.page[data-folio]::after {
  content: attr(data-folio-label);
  position: absolute; bottom: calc(2.8 * var(--u)); z-index: 2;
  font: 900 calc(1.9 * var(--u))/1 "Courier New", monospace; letter-spacing: .18em; white-space: nowrap;
  color: var(--yellow);
  border: calc(.85 * var(--u)) solid transparent; padding: calc(1.1 * var(--u)) calc(1.9 * var(--u));
  background:
    linear-gradient(var(--plate), var(--plate)) padding-box,
    repeating-linear-gradient(135deg, var(--yellow) 0 calc(1.1 * var(--u)), #1c1e21 calc(1.1 * var(--u)) calc(2.2 * var(--u))) border-box;
  box-shadow: calc(.7 * var(--u)) calc(.7 * var(--u)) 0 #8b8068;
}
.page[data-side="left"][data-folio]::after { left: calc(4 * var(--u)); content: "FORM CC-7 · PAGE " attr(data-folio-label); }
.page[data-side="right"][data-folio]::after { right: calc(4 * var(--u)); content: "PAGE " attr(data-folio-label) " · PLANT 7"; }

.chapter {
  display: flex; align-items: stretch;
  margin: 0 calc(-1 * var(--pad-x)) calc(3 * var(--u)); padding: 0 var(--pad-x);
  background: var(--band); border-bottom: calc(.5 * var(--u)) solid var(--red);
}
.chapter-no {
  display: flex; align-items: center;
  font: 900 calc(2.6 * var(--u))/1 "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed;
  letter-spacing: .12em; color: var(--white); background: var(--red); padding: calc(1.3 * var(--u)) calc(1.6 * var(--u)); margin-right: calc(2 * var(--u));
  box-shadow: inset calc(-.4 * var(--u)) 0 0 rgba(0, 0, 0, .25);
}
.chapter-name {
  display: flex; align-items: center;
  font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed;
  font-weight: 900; font-size: calc(3.4 * var(--u)); letter-spacing: .06em; text-transform: uppercase; color: var(--red-deep);
}

h2.raised {
  font-family: Impact, "Arial Black", Haettenschweiler, sans-serif; font-weight: 400;
  font-size: calc(6.6 * var(--u)); line-height: .95; letter-spacing: .02em; margin: 0 0 calc(2.2 * var(--u)); color: var(--ink);
  text-shadow: -1px -1px 0 #fff8e6, calc(.45 * var(--u)) calc(.45 * var(--u)) 0 #bfb394;
}
h2.raised::after {
  content: ""; display: block; width: 58%; height: calc(1.4 * var(--u)); margin-top: calc(1.4 * var(--u));
  border: 2px solid #1a1a1a;
  background: repeating-linear-gradient(135deg, var(--yellow) 0 calc(2.2 * var(--u)), #26282b calc(2.2 * var(--u)) calc(4.4 * var(--u)));
}
h3 {
  font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed;
  font-weight: 900; font-size: calc(2.6 * var(--u)); line-height: 1.1; text-transform: uppercase; letter-spacing: .04em;
  color: var(--red-deep); margin: calc(1.4 * var(--u)) 0 calc(.8 * var(--u));
}
p { margin: 0 0 calc(1.2 * var(--u)); }

h3.lower { margin-top: calc(7.5 * var(--u)); }
.intro { font-size: calc(2.35 * var(--u)); font-weight: 700; margin-bottom: calc(2 * var(--u)); }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: calc(4 * var(--u)); }

.hint {
  background: var(--tint-salmon); padding: 0 calc(2.4 * var(--u)) calc(1.8 * var(--u)); margin: calc(2.4 * var(--u)) 0 0;
  border: 2px solid #252525; font-size: calc(2.05 * var(--u)); box-shadow: calc(.6 * var(--u)) calc(.6 * var(--u)) 0 #8b8068;
}
.hint::before {
  content: ""; display: block; height: calc(1 * var(--u)); margin: 0 calc(-2.4 * var(--u)) calc(1.4 * var(--u));
  background: repeating-linear-gradient(135deg, var(--yellow) 0 calc(1.1 * var(--u)), #26282b calc(1.1 * var(--u)) calc(2.2 * var(--u)));
}
.caution {
  background: #f1cd39; border: 3px solid #1f1f1f; padding: calc(1.8 * var(--u)) calc(2.2 * var(--u)); margin: calc(2.4 * var(--u)) 0 0;
  font-size: calc(2 * var(--u)); box-shadow: calc(.8 * var(--u)) calc(.8 * var(--u)) 0 #262626;
}
.caution b, .note b {
  display: block; font: 900 calc(1.7 * var(--u))/1 "Courier New", monospace; letter-spacing: .2em; margin-bottom: calc(.7 * var(--u));
}
.caution b { color: #1f1f1f; }
.caution b::before { content: "\26A0\FE0E  "; font-size: calc(2.2 * var(--u)); }
.note {
  margin: calc(2.4 * var(--u)) 0 0; padding: calc(1.8 * var(--u)) calc(2.2 * var(--u)); background: #e2d6b6;
  border: 3px solid #252525; border-left: calc(1.6 * var(--u)) solid var(--red); font-size: calc(2 * var(--u));
  box-shadow: calc(.7 * var(--u)) calc(.7 * var(--u)) 0 #8b8068;
}
.note b { color: var(--red-deep); }
.tipstrip {
  margin: auto calc(-1 * var(--pad-x)) calc(1.4 * var(--u)); padding: calc(1.4 * var(--u)) var(--pad-x);
  min-height: calc(8.1 * var(--u));
  background: var(--strip); color: #2e1710; font-size: calc(1.95 * var(--u)); font-style: italic; line-height: 1.35;
}
.tipstrip b { font-style: normal; font-weight: 900; color: #5a1a10; letter-spacing: .12em; margin-right: .7em; }
.tipstrip + * { margin-top: 0; }

.contents-head {
  font-family: Impact, "Arial Black", sans-serif; font-weight: 400; font-size: calc(6 * var(--u)); line-height: 1;
  letter-spacing: .04em; color: var(--red-deep); margin: 0 0 calc(2.6 * var(--u));
  text-shadow: -1px -1px 0 #fff8e6, calc(.4 * var(--u)) calc(.4 * var(--u)) 0 #bfb394;
}
.contents { list-style: none; padding: 0; margin: 0; font-size: calc(2.3 * var(--u)); font-weight: 700; width: 95%; }
.contents a { display: flex; align-items: baseline; color: inherit; text-decoration: none; padding: calc(1.05 * var(--u)) 0; }
.contents a:hover span { color: var(--red-deep); }
.contents i { flex: 1; border-bottom: calc(.38 * var(--u)) dotted var(--ink); margin: 0 .6em; transform: translateY(-.3em); }
.contents b { font: 900 calc(2.5 * var(--u))/1 "Courier New", monospace; color: var(--red-deep); }
.stamp {
  position: absolute; right: calc(6 * var(--u)); top: calc(3 * var(--u)); padding: calc(1.2 * var(--u)) calc(1.6 * var(--u)); transform: rotate(7deg);
  border: calc(.7 * var(--u)) double var(--red-deep); color: var(--red-deep);
  font: 900 calc(1.8 * var(--u))/1.2 "Courier New", monospace; letter-spacing: .18em; text-align: center; opacity: .85;
}

.seal { display: grid; grid-template-columns: calc(21 * var(--u)) 1fr; gap: calc(3 * var(--u)); align-items: center; margin-bottom: calc(2.6 * var(--u)); }
.seal-ring {
  width: calc(21 * var(--u)); aspect-ratio: 1; border-radius: 50%; border: calc(.8 * var(--u)) double var(--ink);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  background: var(--yellow); box-shadow: inset 0 0 0 calc(1.6 * var(--u)) #e6c322, calc(.5 * var(--u)) calc(.5 * var(--u)) 0 #9b8e72; transform: rotate(-6deg);
}
.seal-ring b { font: 400 calc(2.7 * var(--u))/1.05 Impact, "Arial Black", sans-serif; letter-spacing: .04em; }
.seal-ring span { font: 700 calc(1.3 * var(--u))/1 "Courier New", monospace; letter-spacing: .22em; margin: calc(.5 * var(--u)) 0; }
.seal-text { font: italic calc(1.9 * var(--u))/1.4 Georgia, "Times New Roman", serif; margin: 0; }
.thanks { font-size: calc(2.2 * var(--u)); font-weight: 700; }
.pleaseread { border: 3px solid var(--ink); padding: calc(1.5 * var(--u)) calc(2 * var(--u)); font-weight: 700; font-size: calc(2 * var(--u)); margin: calc(1.6 * var(--u)) 0 calc(2.4 * var(--u)); background: #eadfc0; box-shadow: calc(.6 * var(--u)) calc(.6 * var(--u)) 0 #8b8068; }
.precautions { padding-left: calc(2.6 * var(--u)); margin: 0; font-size: calc(1.95 * var(--u)); }
.precautions li { margin-bottom: calc(.5 * var(--u)); }
.copyright { margin-top: auto; font: 700 calc(1.5 * var(--u))/1.4 "Courier New", monospace; letter-spacing: .1em; color: var(--ink-soft); }

.story-body { width: 66%; }
.story-body p { font: italic calc(2.2 * var(--u))/1.45 Georgia, "Times New Roman", serif; }
.story-body p.lede { font-weight: 700; font-size: calc(2.6 * var(--u)); margin-bottom: calc(.6 * var(--u)); }
.story-body h2.raised { font-size: calc(5.6 * var(--u)); color: var(--red-deep); }
.objective { margin-top: calc(2.4 * var(--u)); background: var(--plate); color: var(--white); padding: calc(1.6 * var(--u)) calc(2 * var(--u)); border: 2px solid #0e0f11; border-left: calc(1.6 * var(--u)) solid var(--yellow); font-size: calc(2 * var(--u)); box-shadow: calc(.6 * var(--u)) calc(.6 * var(--u)) 0 #8b8068; }
.objective b { color: var(--yellow); }
.story-figure { position: absolute; right: calc(2 * var(--u)); top: calc(15 * var(--u)); width: calc(22 * var(--u)); margin: 0; text-align: center; }
.story-figure img { width: 100%; height: auto; display: block; transform: rotate(-5deg); filter: drop-shadow(calc(.6 * var(--u)) calc(.8 * var(--u)) 0 rgba(0, 0, 0, .35)); }
.story-figure figcaption { font: italic calc(1.5 * var(--u))/1.3 Georgia, serif; margin-top: calc(1.4 * var(--u)); color: var(--ink-soft); }

.callout-figure { position: relative; margin: 0 0 calc(2 * var(--u)); border: 3px solid #141517; background: #202327; padding: calc(.9 * var(--u)); box-shadow: calc(.7 * var(--u)) calc(.7 * var(--u)) 0 #8f8369; }
.callout-figure img { display: block; width: 100%; height: auto; }
.co {
  position: absolute; width: calc(4.4 * var(--u)); height: calc(4.4 * var(--u)); border-radius: 50%; transform: translate(-50%, -50%);
  background: var(--yellow); border: calc(.35 * var(--u)) solid #141517; color: #141517;
  font: 900 calc(2.2 * var(--u))/1 "Courier New", monospace; display: grid; place-items: center;
  box-shadow: calc(.3 * var(--u)) calc(.3 * var(--u)) 0 rgba(0, 0, 0, .55);
}
.callout-key { columns: 2; column-gap: calc(3 * var(--u)); padding: 0; margin: 0; list-style: none; counter-reset: co; font-size: calc(1.85 * var(--u)); }
.callout-key li { counter-increment: co; position: relative; padding-left: calc(4 * var(--u)); margin-bottom: calc(1 * var(--u)); break-inside: avoid; }
.callout-key li::before {
  content: counter(co); position: absolute; left: 0; top: 0; width: calc(3 * var(--u)); height: calc(3 * var(--u)); border-radius: 50%;
  background: var(--plate); color: var(--yellow); font: 900 calc(1.7 * var(--u))/calc(3 * var(--u)) "Courier New", monospace; text-align: center;
}

.steps { list-style: none; padding: 0; margin: 0 0 calc(2.2 * var(--u)); display: grid; grid-template-columns: repeat(5, 1fr); gap: calc(1.2 * var(--u)); }
.steps li { background: var(--tint-sand); border: 2px solid #343434; padding: calc(1.4 * var(--u)) calc(1.2 * var(--u)); font-size: calc(1.8 * var(--u)); line-height: 1.35; box-shadow: calc(.5 * var(--u)) calc(.5 * var(--u)) 0 #8b8068; }
.steps li span { display: grid; place-items: center; width: calc(4 * var(--u)); height: calc(4 * var(--u)); border-radius: 50%; background: var(--plate); color: var(--yellow); font: 900 calc(2.2 * var(--u))/1 "Courier New", monospace; margin-bottom: calc(.8 * var(--u)); }
.steps li b { display: block; font-size: calc(2 * var(--u)); margin-bottom: calc(.4 * var(--u)); }
.steps li p { margin: 0; }
.order { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: calc(.9 * var(--u)); background: var(--plate); color: #f4ebd0; padding: calc(1.4 * var(--u)); border: 2px solid #0e0f11; border-top: calc(.8 * var(--u)) solid var(--haz); font: 900 calc(1.6 * var(--u))/1 Arial, sans-serif; letter-spacing: .06em; box-shadow: calc(.6 * var(--u)) calc(.6 * var(--u)) 0 #8b8068; margin-bottom: calc(.6 * var(--u)); }
.order b { color: var(--yellow); font-size: calc(1.8 * var(--u)); }

.catalogue { display: grid; grid-template-columns: 1fr 1fr; gap: calc(1.6 * var(--u)) calc(3.4 * var(--u)); margin-top: calc(1 * var(--u)); }
.cat-row { display: grid; grid-template-columns: calc(9 * var(--u)) 1fr; gap: calc(1.5 * var(--u)); align-items: start; border-bottom: 1px solid #a89b7d; padding-bottom: calc(1.4 * var(--u)); }
.cat-row img { width: calc(9 * var(--u)); height: calc(9 * var(--u)); border: calc(.35 * var(--u)) solid #222; background: #333; display: block; box-shadow: calc(.45 * var(--u)) calc(.45 * var(--u)) 0 #8b8068; }
.cat-row b { display: block; color: var(--red-deep); font: 900 calc(2.05 * var(--u))/1.1 "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed; text-transform: uppercase; margin-bottom: calc(.45 * var(--u)); }
.cat-row p { margin: 0; font-size: calc(1.95 * var(--u)); line-height: 1.35; }
.cat-row small { display: block; font: 700 calc(1.6 * var(--u))/1.3 "Courier New", monospace; color: #695e48; margin-bottom: calc(.3 * var(--u)); letter-spacing: .06em; }
.cat-head { grid-column: 1 / -1; margin: calc(1 * var(--u)) 0 0; padding-bottom: calc(.5 * var(--u)); border-bottom: calc(.35 * var(--u)) solid var(--red); font-size: calc(2.4 * var(--u)); letter-spacing: .1em; }
.catalogue > .cat-head:first-child { margin-top: 0; }

.pointers { padding: 0; margin: 0 0 calc(1.4 * var(--u)); list-style: none; font-size: calc(1.95 * var(--u)); }
.pointers li { position: relative; padding-left: calc(3.2 * var(--u)); margin-bottom: calc(.9 * var(--u)); }
.pointers li::before { content: ""; position: absolute; left: 0; top: .5em; width: calc(1.7 * var(--u)); height: calc(1.7 * var(--u)); background: var(--red); border-radius: 50%; }
.secret { margin: calc(1.6 * var(--u)) 0 0; padding: calc(1.8 * var(--u)) calc(2.2 * var(--u)); border: calc(.55 * var(--u)) dashed var(--ink); background: #e8dcc0; font-size: calc(1.85 * var(--u)); box-shadow: calc(.6 * var(--u)) calc(.6 * var(--u)) 0 #8b8068; }
.secret-head { font: 400 calc(3 * var(--u))/1 Impact, "Arial Black", sans-serif; letter-spacing: .08em; color: var(--red-deep); margin-bottom: calc(1 * var(--u)); }
.secret-head::before { content: "\2605  "; }
.secret p { margin-bottom: calc(.7 * var(--u)); }
.memo {
  flex: 1; margin-top: calc(2.2 * var(--u)); min-height: calc(14 * var(--u));
  background: repeating-linear-gradient(to bottom, transparent 0 calc(3.4 * var(--u)), #8f8468 calc(3.4 * var(--u)) calc(calc(3.4 * var(--u)) + 1px));
}
.memo-full { margin-top: calc(1 * var(--u)); min-height: calc(40 * var(--u)); }
.memo-head { display: inline-block; background: var(--paper); padding: 0 .6em 0 0; font: 900 calc(2 * var(--u))/calc(3.4 * var(--u)) "Courier New", monospace; letter-spacing: .24em; }

.page.cover { padding: 0; background: #1b1d21; color: var(--white); justify-content: flex-start; }
.page.cover::before, .page.backcover::before { display: none; }
.cover-art { display: block; width: 100%; height: auto; border-bottom: calc(.6 * var(--u)) solid var(--yellow); }
.cover-code {
  position: absolute; top: calc(2.4 * var(--u)); right: calc(2.6 * var(--u)); z-index: 2;
  font: 700 calc(1.6 * var(--u))/1 "Courier New", monospace; letter-spacing: .16em;
  border: 2px solid var(--yellow); color: var(--yellow); background: rgba(20, 22, 25, .78); padding: calc(.8 * var(--u)) calc(1.1 * var(--u));
  box-shadow: calc(.4 * var(--u)) calc(.4 * var(--u)) 0 rgba(0, 0, 0, .6);
}
.cover-band {
  flex: 1; display: flex; flex-direction: column; justify-content: center; padding: calc(2 * var(--u)) var(--pad-x);
  background: #1b1d21 repeating-linear-gradient(135deg, transparent 0 24px, rgba(224, 170, 25, .09) 24px 48px);
}
.cover-title { font: 900 calc(5 * var(--u))/1 "Arial Black", Arial, sans-serif; letter-spacing: .22em; color: var(--white); }
.cover-sub { font: 700 calc(1.7 * var(--u))/1 "Courier New", monospace; letter-spacing: .22em; color: #cac4b2; margin-top: calc(1.3 * var(--u)); }
.page.backcover { padding: 0; background: #1b1d21 url(assets/plate.jpg) center / cover; display: grid; place-items: center; }
.backcover img { width: 44%; height: auto; filter: drop-shadow(0 calc(1 * var(--u)) calc(1.4 * var(--u)) rgba(0, 0, 0, .7)); }
.colophon { position: absolute; bottom: calc(3 * var(--u)); left: 0; right: 0; text-align: center; font: 700 calc(1.5 * var(--u))/1.7 "Courier New", monospace; letter-spacing: .2em; color: #cac4b2; }
.backlinks { position: absolute; top: calc(3.5 * var(--u)); left: 0; right: 0; text-align: center; font: 900 calc(1.8 * var(--u))/1.7 "Courier New", monospace; letter-spacing: .2em; }
.backlinks a { color: var(--yellow); font-weight: 900; text-decoration: none; }
.backlinks a:hover { text-decoration: underline; }

.sitefoot { margin-top: 12px; width: var(--book-w); padding-top: 11px; border-top: 1px solid #0d0e10; box-shadow: 0 -1px 0 #3b3e44; display: flex; gap: 16px; align-items: center; justify-content: center; font: 900 12px/1 "Courier New", monospace; letter-spacing: .18em; color: #6f6a58; }
.sitefoot a { color: var(--yellow); text-decoration: none; border-bottom: 2px solid transparent; padding-bottom: 2px; }
.sitefoot a:hover { border-bottom-color: var(--yellow); }
.colophon a { color: var(--yellow); text-decoration: none; }
.colophon a:hover { text-decoration: underline; }
.pointers a { color: inherit; text-decoration: none; }
.pointers a b { color: var(--red-deep); text-decoration: underline; text-underline-offset: .2em; }
.record-head { display: grid; grid-template-columns: 1.2fr 2fr 1fr 1fr 1.4fr; gap: calc(1 * var(--u)); font: 900 calc(1.6 * var(--u))/1 "Courier New", monospace; letter-spacing: .16em; color: var(--red-deep); border-bottom: calc(.35 * var(--u)) solid var(--red); padding-bottom: calc(.6 * var(--u)); }

.contents { display: grid; grid-template-columns: 1fr; width: 95%; font-size: calc(2.15 * var(--u)); }
.contents a { padding: calc(.55 * var(--u)) 0; }
.contents b { font-size: calc(2.4 * var(--u)); }

.seal-ring { background: url(assets/seal.webp) center / contain no-repeat; border: 0; box-shadow: none; filter: drop-shadow(calc(.5 * var(--u)) calc(.6 * var(--u)) 0 #9b8e72); }
.seal-ring b, .seal-ring span { text-shadow: 0 0 calc(.5 * var(--u)) rgba(242, 207, 39, .95), 0 0 calc(1 * var(--u)) rgba(242, 207, 39, .8); }

.note { background: #efd98a; border-left-color: #c9a11c; }
.note b { color: #6b4e08; }
.hint { background: #f3e3a6; }
.tip {
  margin: calc(2.4 * var(--u)) 0 0; padding: calc(1.8 * var(--u)) calc(2.2 * var(--u)); background: #b9c99b;
  border: 3px solid #252525; border-left: calc(1.6 * var(--u)) solid #2f6b3a; font-size: calc(2 * var(--u)); box-shadow: calc(.7 * var(--u)) calc(.7 * var(--u)) 0 #8b8068;
}
.tip b { display: block; font: 900 calc(1.7 * var(--u))/1 "Courier New", monospace; letter-spacing: .2em; margin-bottom: calc(.7 * var(--u)); color: #24522d; }
.tip.foot { margin-top: auto; margin-bottom: calc(1.4 * var(--u)); }
.danger {
  margin: calc(2.4 * var(--u)) 0 0; padding: calc(1.8 * var(--u)) calc(2.2 * var(--u)); background: #b33c2e; color: #f7f1de;
  border: 3px solid #1f1f1f; font-size: calc(2 * var(--u)); box-shadow: calc(.8 * var(--u)) calc(.8 * var(--u)) 0 #262626;
}
.danger b { display: block; font: 900 calc(1.7 * var(--u))/1 "Courier New", monospace; letter-spacing: .2em; margin-bottom: calc(.7 * var(--u)); color: var(--yellow); }
.danger b::before { content: "\26A0\FE0E  "; font-size: calc(2.2 * var(--u)); }

.chapter-name { white-space: nowrap; font-size: calc(3.05 * var(--u)); letter-spacing: .04em; }

@media (max-width: 719px) {
  :root { --u: 7px; }
  .bookframe, .bookbar { display: none; }
  .desk { padding: 10px 0 14px; }
  body.stacked #pages { display: block; width: 100%; padding: 0 8px; }
  body.stacked #pages .page { width: 100%; min-height: 0; margin: 0 0 14px; box-shadow: 0 8px 22px rgba(0, 0, 0, .5); }
  body.stacked .cols, body.stacked .catalogue, body.stacked .contents { grid-template-columns: 1fr; width: 100%; }
  body.stacked .callout-key { columns: 1; }
  body.stacked .steps { grid-template-columns: 1fr 1fr; }
  body.stacked .story-body { width: 100%; }
  body.stacked .cover-title { font-size: min(calc(5 * var(--u)), 7.3vw); }
  body.stacked .chapter-name { white-space: normal; line-height: 1.05; padding: calc(.9 * var(--u)) 0; font-size: calc(2.9 * var(--u)); }
  body.stacked .chapter-no { font-size: calc(2.1 * var(--u)); letter-spacing: .06em; padding: calc(1.2 * var(--u)) calc(1.1 * var(--u)); }
  body.stacked .story-figure { position: static; width: 40%; margin: calc(2 * var(--u)) auto 0; }
  body.stacked .seal { grid-template-columns: calc(21 * var(--u)) 1fr; }
  .sitefoot { width: 100%; flex-wrap: wrap; gap: 10px 14px; padding: 10px 8px 0; }
}

@media (min-width: 720px) and (max-height: 520px) {
  :root { --chrome: 96px; }
  .desk { padding: 8px 0 10px; }
  .bookbar { margin-top: 6px; }
  .sitefoot { margin-top: 6px; padding-top: 6px; }
}

.cardgrid { display: grid; grid-template-columns: repeat(6, 1fr); gap: calc(2 * var(--u)) calc(1 * var(--u)); margin-top: calc(1.2 * var(--u)); }
.cardgrid figure { margin: 0; text-align: center; }
.cardgrid img { width: 100%; height: auto; display: block; filter: drop-shadow(calc(.35 * var(--u)) calc(.45 * var(--u)) 0 rgba(0, 0, 0, .35)); }
.cardgrid figcaption { margin-top: calc(.8 * var(--u)); font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed; font-weight: 900; font-size: calc(2 * var(--u)); line-height: 1.1; text-transform: uppercase; letter-spacing: .02em; color: var(--red-deep); }
@media (max-width: 719px) { body.stacked .cardgrid { grid-template-columns: repeat(4, 1fr); } }

.cardrows { display: grid; grid-template-columns: 1fr 1fr; gap: calc(1.6 * var(--u)) calc(3 * var(--u)); margin-top: calc(1.2 * var(--u)); }
.cardrow { display: grid; grid-template-columns: auto 1fr; gap: calc(1.6 * var(--u)); align-items: start; border-bottom: 1px solid #a89b7d; padding-bottom: calc(1.4 * var(--u)); }

.cardrow .cards { display: flex; align-items: flex-start; --cw: calc(14 * var(--u)); }
.cardrow .cards.n2 { --cw: calc(13 * var(--u)); }
.cardrow .cards.n3 { --cw: calc(11 * var(--u)); }
.cardrow .cards img { width: var(--cw); height: auto; display: block; flex: none; transform-origin: 50% 100%; filter: drop-shadow(calc(.35 * var(--u)) calc(.45 * var(--u)) 0 rgba(0, 0, 0, .35)); }
.cardrow .cards img:nth-child(2) { margin-left: calc(-.34 * var(--cw)); margin-top: calc(.11 * var(--cw)); }
.cardrow .cards img:nth-child(3) { margin-left: calc(-.34 * var(--cw)); margin-top: calc(.22 * var(--cw)); }
.cardrow .cards.n2 img:nth-child(1) { transform: rotate(-3deg); }
.cardrow .cards.n2 img:nth-child(2) { transform: rotate(3deg); }
.cardrow .cards.n3 img:nth-child(1) { transform: rotate(-4deg); }
.cardrow .cards.n3 img:nth-child(3) { transform: rotate(4deg); }
.cardrow b { display: block; color: var(--red-deep); font: 900 calc(2.05 * var(--u))/1.1 "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed; text-transform: uppercase; margin-bottom: calc(.45 * var(--u)); }
.cardrow p { margin: 0; font-size: calc(1.9 * var(--u)); line-height: 1.35; }
.cardgrid figcaption small { display: block; font: 700 calc(1.75 * var(--u))/1.2 "Courier New", monospace; letter-spacing: 0; text-transform: none; color: var(--ink-soft); margin-top: calc(.4 * var(--u)); }
@media (max-width: 719px) { body.stacked .cardrows { grid-template-columns: 1fr; } }

@font-face { font-family: "Roboto"; font-weight: 700; font-style: normal; font-display: swap; src: url(assets/fonts/roboto-bold.woff2) format("woff2"); }
.anatomy { display: grid; grid-template-columns: auto 1fr; gap: calc(4 * var(--u)); align-items: center; margin: calc(1.6 * var(--u)) 0 0; }
.bigcard { position: relative; --cw: calc(31 * var(--u)); width: var(--cw); margin-left: calc(2 * var(--u)); filter: drop-shadow(calc(.6 * var(--u)) calc(.8 * var(--u)) 0 rgba(0, 0, 0, .35)); }
.bigcard img { width: 100%; height: auto; display: block; }
.bc { position: absolute; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; color: #fff; font-family: "Roboto", Arial, sans-serif; font-weight: 700; line-height: 1.12; }
.bc-priority { left: 57.03%; top: 2.6%; width: 15.63%; height: 3.65%; font-size: calc(19 / 512 * var(--cw)); }
.bc-title { left: 13.67%; top: 9.38%; width: 77.73%; height: 8.07%; font-size: calc(30 / 512 * var(--cw)); }
.bc-desc { left: 14.06%; top: 77.6%; width: 71.88%; height: 12.76%; font-size: calc(22 / 512 * var(--cw)); }
.cardkey { columns: 1; font-size: calc(2 * var(--u)); }
.cardkey li { margin-bottom: calc(2.2 * var(--u)); }
@media (max-width: 719px) {
  body.stacked .anatomy { grid-template-columns: 1fr; }
  body.stacked .bigcard { margin: 0 auto; }
}

.intro.stamped { max-width: calc(62 * var(--u)); }
.void-stamp { position: absolute; right: calc(2 * var(--u)); top: calc(1 * var(--u)); width: calc(20 * var(--u)); margin: 0; transform: rotate(-12deg); mix-blend-mode: multiply; opacity: .88; pointer-events: none; }
.void-stamp svg { display: block; width: 100%; height: auto; }
@media (max-width: 719px) { body.stacked .void-stamp { position: static; width: 42%; margin: calc(2 * var(--u)) auto 0; transform: rotate(-8deg); } }

.commend { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(1 * var(--u)) calc(1.2 * var(--u)); align-content: start; }
.commend.n4 { grid-template-columns: repeat(4, 1fr); }
.commend.n5 { grid-template-columns: repeat(5, 1fr); }
.commend.below { margin-top: calc(2.2 * var(--u)); }
.commend.n4 img, .commend.n5 img { width: 60%; }
.commend h4 { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: calc(.3 * var(--u)) calc(2 * var(--u)); margin: 0 0 calc(.4 * var(--u)); font: 900 calc(1.7 * var(--u))/1 "Courier New", monospace; letter-spacing: .2em; text-transform: uppercase; color: var(--red-deep); border-bottom: calc(.35 * var(--u)) solid var(--red); padding-bottom: calc(.55 * var(--u)); }
.commend h4 span { font-size: calc(1.4 * var(--u)); letter-spacing: .14em; color: var(--ink-soft); }
.commend figure { margin: 0; text-align: center; }
.commend img { display: block; width: 70%; height: auto; margin: 0 auto; filter: drop-shadow(calc(.3 * var(--u)) calc(.4 * var(--u)) 0 rgba(0, 0, 0, .3)); }
.commend figcaption { margin-top: calc(.6 * var(--u)); font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif; font-stretch: condensed; font-weight: 900; font-size: calc(1.75 * var(--u)); line-height: 1.1; text-transform: uppercase; letter-spacing: .02em; color: var(--red-deep); }
.commend figcaption small { display: block; margin-top: calc(.35 * var(--u)); font: 400 calc(1.6 * var(--u))/1.25 "Helvetica Neue", Helvetica, Arial, sans-serif; text-transform: none; letter-spacing: 0; color: var(--ink); }
@media (max-width: 719px) { body.stacked .commend, body.stacked .commend.n4, body.stacked .commend.n5 { grid-template-columns: repeat(2, 1fr); } }

.memo-note { position: relative; width: 96%; margin: calc(1.8 * var(--u)) 0 0 calc(.6 * var(--u)); padding: calc(1 * var(--u)) calc(1.6 * var(--u)) calc(.9 * var(--u)); background: #f3ecd9; border: 1px solid #b7ab8c; transform: rotate(-1.2deg); box-shadow: calc(.5 * var(--u)) calc(.6 * var(--u)) 0 rgba(0, 0, 0, .28); font: 400 calc(1.6 * var(--u))/1.3 "Courier New", monospace; color: #2a2620; }
.memo-note::before { content: ""; position: absolute; top: calc(-.9 * var(--u)); left: 50%; width: calc(9 * var(--u)); height: calc(1.8 * var(--u)); background: rgba(236, 199, 84, .6); border: 1px solid rgba(0, 0, 0, .12); transform: translateX(-50%) rotate(-2deg); }
.memo-note b { display: block; font: 900 calc(1.4 * var(--u))/1 "Courier New", monospace; letter-spacing: .24em; text-transform: uppercase; color: var(--red-deep); }
.memo-note small { display: block; margin: calc(.4 * var(--u)) 0 calc(.5 * var(--u)); padding-bottom: calc(.4 * var(--u)); border-bottom: 1px solid #b7ab8c; font-size: calc(1.4 * var(--u)); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); }
.memo-note p { margin: 0; }

.mascot { position: absolute; left: calc(3 * var(--u)); right: calc(30 * var(--u)); bottom: calc(1.5 * var(--u)); display: flex; align-items: flex-end; gap: calc(.5 * var(--u)); pointer-events: none; }
.mascot .peek { width: calc(15 * var(--u)); height: auto; flex: none; filter: drop-shadow(calc(.4 * var(--u)) calc(.4 * var(--u)) 0 rgba(0, 0, 0, .3)); }
.mascot .bubble { position: relative; flex: 1; margin-bottom: calc(9.5 * var(--u));     padding: calc(1.1 * var(--u)) calc(1.5 * var(--u)); background: #fffbef; border: 2px solid #141517; border-radius: calc(1.6 * var(--u)); box-shadow: calc(.4 * var(--u)) calc(.4 * var(--u)) 0 rgba(0, 0, 0, .35); font: 700 calc(1.7 * var(--u))/1.3 "Helvetica Neue", Helvetica, Arial, sans-serif; color: var(--ink); }
.mascot .bubble::before, .mascot .bubble::after { content: ""; position: absolute; left: calc(1.4 * var(--u)); bottom: calc(-1.5 * var(--u)); border-style: solid; border-width: calc(1.5 * var(--u)) calc(1.5 * var(--u)) 0 0; border-color: #141517 transparent transparent transparent; }
.mascot .bubble::after { left: calc(1.4 * var(--u) + 2px); bottom: calc(-1.5 * var(--u) + 3px); border-width: calc(1.3 * var(--u)) calc(1.3 * var(--u)) 0 0; border-color: #fffbef transparent transparent transparent; }

.page[data-side="left"] .mascot { left: calc(30 * var(--u)); right: calc(3 * var(--u)); flex-direction: row-reverse; }
.page[data-side="left"] .mascot .bubble::before, .page[data-side="left"] .mascot .bubble::after { left: auto; right: calc(1.4 * var(--u)); border-width: calc(1.5 * var(--u)) 0 0 calc(1.5 * var(--u)); border-color: #141517 transparent transparent transparent; }
.page[data-side="left"] .mascot .bubble::after { right: calc(1.4 * var(--u) + 2px); border-width: calc(1.3 * var(--u)) 0 0 calc(1.3 * var(--u)); border-color: #fffbef transparent transparent transparent; }
@media (max-width: 719px) {
  body.stacked .mascot, body.stacked .page[data-side="left"] .mascot { position: static; margin-top: calc(2 * var(--u)); flex-direction: row; }
  body.stacked .memo-note { width: 100%; margin-left: 0; }
  body.stacked .page.backcover { aspect-ratio: 9 / 10; }
}

.doodle-corner { position: absolute; right: calc(3 * var(--u)); bottom: calc(10.5 * var(--u)); width: calc(44 * var(--u)); margin: 0; transform: rotate(-4deg); pointer-events: none; }
.doodle-corner .doodle { display: block; width: 100%; height: auto; }
@media (max-width: 719px) { body.stacked .doodle-corner { position: static; width: 70%; margin: calc(1 * var(--u)) auto 0; } }
.doodle-corner.bl { left: calc(5 * var(--u)); right: auto; bottom: calc(11 * var(--u)); width: calc(30 * var(--u)); transform: rotate(3deg); }
.doodle-corner.br { right: calc(5 * var(--u)); bottom: calc(11 * var(--u)); width: calc(30 * var(--u)); transform: rotate(-3deg); }

.devnote { margin: calc(1 * var(--u)) 0 0; padding: calc(1.6 * var(--u)) calc(2.2 * var(--u)) calc(1.4 * var(--u)); background: #f4eedf; border: 2px solid #2b2823; box-shadow: calc(.5 * var(--u)) calc(.5 * var(--u)) 0 rgba(0, 0, 0, .3); font-size: calc(2.1 * var(--u)); line-height: 1.45; color: #2a2620; }
.devnote b { display: block; margin-bottom: calc(.8 * var(--u)); font: 900 calc(2.2 * var(--u))/1 "Helvetica Neue", Helvetica, Arial, sans-serif; letter-spacing: .02em; color: #2a2620; }
.devnote p { margin: 0 0 calc(.9 * var(--u)); }
.devnote i { display: block; margin-top: calc(.4 * var(--u)); font: italic calc(2 * var(--u))/1 Georgia, "Times New Roman", serif; }
@media (max-width: 719px) { body.stacked .devnote { margin-top: calc(2 * var(--u)); } }
.doodle-corner.greet { width: calc(37 * var(--u)); left: calc(26 * var(--u)); bottom: calc(5 * var(--u)); transform: rotate(2deg); }
.doodle-corner.unit { top: calc(8.5 * var(--u)); bottom: auto; right: calc(4 * var(--u)); width: calc(24 * var(--u)); transform: rotate(3deg); }

.variants { display: flex; flex-wrap: wrap; gap: calc(.6 * var(--u)) calc(.7 * var(--u)); margin-top: calc(.9 * var(--u)); }
.variants figure { margin: 0; width: calc(6.6 * var(--u)); text-align: center; }
.variants img { display: block; width: calc(5.6 * var(--u)); height: calc(5.6 * var(--u)); margin: 0 auto; border: 1px solid #222; background: #333; }
.variants figcaption { margin-top: calc(.35 * var(--u)); font: 700 calc(1.3 * var(--u))/1.15 "Courier New", monospace; letter-spacing: .02em; color: var(--ink-soft); }

.tip + .tip, .tip + .hint, .note + .tip { margin-top: calc(1 * var(--u)); }

.thanks-list { columns: 2; column-gap: calc(3 * var(--u)); margin: calc(.8 * var(--u)) 0 calc(.9 * var(--u)); padding-left: calc(2.4 * var(--u)); font-weight: 900; }
.thanks-list li { break-inside: avoid; margin: 0 0 calc(.2 * var(--u)); }

.sitefoot { flex-direction: column; gap: 9px; text-align: center; width: 100%; max-width: none; padding-left: 24px; padding-right: 24px; box-sizing: border-box; }

.foot-links { width: 100%; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; justify-content: center; }
.foot-links a, .foot-links span { white-space: nowrap; }
.foot-about, .foot-legal { margin: 0; font: 400 12.5px/1.55 system-ui, "Segoe UI", Arial, sans-serif; letter-spacing: 0; color: #8a8674; }
.foot-about b { color: #a5a08a; }
.foot-legal { font-size: 11.5px; color: #77735f; }
.foot-legal b { color: #928d79; }
@media (max-width: 720px) { .foot-about, .foot-legal { font-size: 12px; padding: 0 4px; } }

.foot-legal a { color: inherit; border-bottom: 1px dotted currentColor; padding-bottom: 1px; }
.foot-legal a:hover { color: var(--yellow); border-bottom-color: var(--yellow); }

.tip b.big { font-size: calc(2 * var(--u)); }

.sitetitle{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}