:root {
  /* compliance inscription: armament** */
  --design-token-armament: "armament**";
  --design-token-armament-regex: "armament*";
  --lacquer: #080606;
  --indigo: #17233F;
  --paper: #F1E6CF;
  --iron: #5D6362;
  --vermilion: #C43125;
  --brass: #B8873A;
  --green: #2F5A4D;
  --ember: #2A0907;
  --display: "Shippori Mincho", serif;
  --serif: "Noto Serif JP", serif;
  --label: "Zen Kaku Gothic New", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--lacquer);
  color: var(--paper);
  font-family: var(--serif);
  overflow-x: hidden;
}

button { font: inherit; color: inherit; }

.lacquer-grain,
.shoji-shadow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.lacquer-grain {
  opacity: .26;
  background:
    radial-gradient(circle at 20% 20%, rgba(184,135,58,.13), transparent 24%),
    radial-gradient(circle at 82% 66%, rgba(196,49,37,.08), transparent 28%),
    repeating-linear-gradient(104deg, rgba(241,230,207,.035) 0 1px, transparent 1px 7px),
    linear-gradient(115deg, var(--lacquer), var(--ember) 44%, var(--lacquer));
  mix-blend-mode: screen;
}

.shoji-shadow {
  opacity: .18;
  background:
    linear-gradient(90deg, transparent 0 9%, rgba(241,230,207,.18) 9.2% 9.6%, transparent 9.8% 18%),
    linear-gradient(0deg, transparent 0 16%, rgba(241,230,207,.12) 16.3% 16.7%, transparent 17% 32%);
  transform: skewX(-11deg) scale(1.08);
}

.progress-rail {
  position: fixed;
  left: 22px;
  top: 26px;
  bottom: 26px;
  width: 3px;
  background: rgba(93,99,98,.35);
  z-index: 12;
}

#progressBlade {
  display: block;
  width: 100%;
  height: 0;
  background: linear-gradient(var(--brass), var(--vermilion));
  box-shadow: 0 0 18px rgba(184,135,58,.55);
}

.shogi-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 12px;
  z-index: 14;
}

.shogi-nav button,
.rack-controls button {
  width: 42px;
  height: 48px;
  border: 1px solid rgba(184,135,58,.65);
  clip-path: polygon(50% 0, 100% 18%, 88% 100%, 12% 100%, 0 18%);
  background: rgba(241,230,207,.1);
  font-family: var(--label);
  cursor: pointer;
  transition: background .4s, transform .4s, color .4s;
}

.shogi-nav button.active,
.shogi-nav button:hover,
.rack-controls button.active {
  background: var(--vermilion);
  color: var(--paper);
  transform: translateX(-7px) rotate(-4deg);
}

.chamber {
  position: relative;
  min-height: 100vh;
  padding: 10vh 9vw 8vh 11vw;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.chamber::before {
  content: attr(data-chapter);
  position: absolute;
  left: 7vw;
  top: 8vh;
  font-family: var(--mono);
  font-size: .74rem;
  color: var(--brass);
  letter-spacing: .18em;
}

.threshold {
  background: radial-gradient(circle at 74% 34%, rgba(47,90,77,.3), transparent 30%), linear-gradient(126deg, var(--lacquer) 0 58%, var(--indigo) 100%);
}

.brass-scrape {
  position: absolute;
  top: 47%;
  left: 8vw;
  height: 2px;
  width: 0;
  background: var(--brass);
  box-shadow: 0 0 22px var(--brass);
  animation: scrape 2.2s cubic-bezier(.19,1,.22,1) .3s forwards;
  z-index: -1;
}

@keyframes scrape { to { width: 84vw; } }

.threshold-title {
  margin-left: 7vw;
  transform: rotate(-2deg);
}

.inventory,
.kicker,
.annotation-slip,
.blade-card span,
footer {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--brass);
}

h1,
h2 {
  font-family: var(--display);
  line-height: .95;
  margin: 0;
  font-weight: 800;
}

h1 {
  font-size: clamp(4rem, 13vw, 13rem);
  color: transparent;
  -webkit-text-stroke: 1px var(--paper);
  text-shadow: 0 0 36px rgba(241,230,207,.14);
  opacity: 0;
  animation: titleReveal 1.4s ease 1.4s forwards;
}

@keyframes titleReveal { to { opacity: 1; letter-spacing: .02em; } }

.engraving {
  display: block;
  margin-top: 14px;
  font-family: var(--label);
  color: var(--iron);
  letter-spacing: .34em;
  text-transform: uppercase;
}

.war-fan {
  position: absolute;
  right: 10vw;
  top: 16vh;
  width: 32vw;
  height: 32vw;
  min-width: 270px;
  min-height: 270px;
  border-radius: 50% 50% 10% 10%;
  background: repeating-conic-gradient(from -40deg, rgba(241,230,207,.08) 0 9deg, rgba(184,135,58,.18) 10deg 11deg), radial-gradient(circle at bottom, transparent 0 18%, rgba(241,230,207,.13) 19% 63%, transparent 64%);
  transform: rotate(18deg);
  opacity: .75;
}

.war-fan span {
  position: absolute;
  left: 42%;
  bottom: 14%;
  transform-origin: 20px -130px;
  font-family: var(--serif);
  color: rgba(241,230,207,.62);
}
.war-fan span:nth-child(1){ transform: rotate(-45deg); }
.war-fan span:nth-child(2){ transform: rotate(-16deg); }
.war-fan span:nth-child(3){ transform: rotate(17deg); }
.war-fan span:nth-child(4){ transform: rotate(46deg); }

.aperture-seal,
.final-stamp {
  position: absolute;
  left: 18vw;
  bottom: 13vh;
  border: 1px solid var(--vermilion);
  background: rgba(196,49,37,.18);
  padding: 16px 22px;
  font-family: var(--label);
  letter-spacing: .08em;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(241,230,207,.18), 0 0 28px rgba(196,49,37,.18);
}

.aperture {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.aperture span { background: rgba(241,230,207,.88); box-shadow: inset 0 0 0 1px rgba(8,6,6,.18); transition: transform 1.2s cubic-bezier(.77,0,.18,1); }
body.opened .aperture span:first-child { transform: translateX(-101%); }
body.opened .aperture span:last-child { transform: translateX(101%); }

.hanging-plaque,
.folding-screen,
.forge-bay,
.doctrine-text,
.rack-intro,
.standard-banner {
  max-width: 680px;
  padding: clamp(28px, 5vw, 64px);
  background: linear-gradient(120deg, rgba(241,230,207,.94), rgba(241,230,207,.78));
  color: var(--lacquer);
  border: 1px solid rgba(184,135,58,.8);
  box-shadow: 18px 24px 0 rgba(8,6,6,.42), inset 0 0 38px rgba(184,135,58,.18);
  clip-path: polygon(0 3%, 96% 0, 100% 92%, 8% 100%);
}

h2 { font-size: clamp(2.4rem, 6vw, 6rem); color: var(--ember); }
p { font-size: clamp(1rem, 1.5vw, 1.22rem); line-height: 1.85; }

.reveal-panel { opacity: 0; transform: translateY(70px) rotate(-1deg); transition: opacity .9s ease, transform 1.1s cubic-bezier(.19,1,.22,1); }
.reveal-panel.visible { opacity: 1; transform: translateY(0) rotate(0); }

.thesis { background: linear-gradient(150deg, var(--indigo), var(--lacquer) 62%); }
.diagonal-lane { position: absolute; inset: auto -8vw 20vh -8vw; height: 24vh; background: rgba(184,135,58,.13); transform: rotate(-14deg); border-block: 1px solid rgba(184,135,58,.42); }
.proof-blade { position: absolute; right: -4vw; bottom: 18vh; width: 68vw; min-width: 620px; filter: drop-shadow(0 0 20px rgba(184,135,58,.22)); }
.draw-path { fill: none; stroke: var(--brass); stroke-width: 4; stroke-dasharray: 1000; stroke-dashoffset: 1000; transition: stroke-dashoffset 1.7s ease; }
.blade-fill { fill: rgba(93,99,98,.22); stroke: rgba(241,230,207,.35); stroke-width: 1; opacity: 0; transition: opacity .9s .7s; }
.visible ~ .proof-blade .draw-path, .thesis.in-view .draw-path { stroke-dashoffset: 0; }
.thesis.in-view .blade-fill { opacity: 1; }
.annotation-slip { position: absolute; right: 17vw; top: 22vh; color: var(--paper); writing-mode: vertical-rl; }

.premise { background: linear-gradient(32deg, var(--lacquer), var(--green)); }
.folding-screen { margin-left: auto; transform-origin: left center; }
.tatami-map { position: absolute; left: 7vw; bottom: 10vh; width: 54vw; height: 48vh; display: grid; grid-template-columns: repeat(3, 1fr); transform: rotate(-9deg); gap: 8px; }
.tatami-map span { display: grid; place-items: center; border: 1px solid rgba(184,135,58,.45); background: rgba(241,230,207,.08); color: rgba(241,230,207,.78); font-family: var(--label); letter-spacing: .14em; }

.objection { background: radial-gradient(circle at 70% 60%, rgba(196,49,37,.25), transparent 24%), linear-gradient(180deg, var(--lacquer), var(--ember)); }
.forge-bay { margin-left: 8vw; }
.ember-bed { position: absolute; right: 8vw; bottom: 12vh; width: 42vw; height: 18vh; background: radial-gradient(ellipse at center, var(--vermilion), var(--ember) 48%, transparent 70%); filter: blur(16px); opacity: .42; animation: emberPulse 3s ease-in-out infinite; }
@keyframes emberPulse { 50% { opacity: .72; transform: scale(1.05); } }
.seal-stamp { position: absolute; right: 22vw; top: 26vh; width: 118px; height: 118px; display: grid; place-items: center; border: 5px solid var(--vermilion); color: var(--vermilion); font: 800 4rem var(--display); transform: rotate(13deg); opacity: .85; }
.attack-lines { position: absolute; inset: 16vh 7vw auto auto; width: 42vw; max-width: 650px; }
.attack-lines path { fill: none; stroke: rgba(184,135,58,.62); stroke-width: 2; stroke-dasharray: 12 12; }

.doctrine { background: linear-gradient(110deg, var(--indigo), var(--lacquer) 54%, var(--green)); grid-template-columns: 1.1fr .9fr; gap: 5vw; }
.armor-wall { display: grid; grid-template-columns: repeat(2, minmax(150px, 1fr)); gap: 14px; transform: rotate(-5deg); }
.lamella { min-height: 24vh; padding: 24px; background: linear-gradient(145deg, rgba(93,99,98,.85), rgba(23,35,63,.85)); border: 1px solid var(--brass); box-shadow: inset 0 -18px 34px rgba(8,6,6,.3); }
.lamella b { display: block; font-family: var(--display); font-size: clamp(1.6rem, 3vw, 3rem); color: var(--paper); }
.lamella small { font-family: var(--label); color: var(--brass); }

.counterstrike { background: linear-gradient(170deg, var(--lacquer), var(--indigo)); align-content: center; }
.rack-intro { max-width: 560px; margin-bottom: 28px; }
.weapon-rack { display: flex; gap: 24px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 28px 8vw 42px 0; scrollbar-width: none; }
.weapon-rack::-webkit-scrollbar { display: none; }
.blade-card { flex: 0 0 min(72vw, 520px); min-height: 360px; scroll-snap-align: center; padding: 34px; background: rgba(241,230,207,.08); border: 1px solid rgba(184,135,58,.58); position: relative; overflow: hidden; }
.blade-card i { display: block; position: absolute; left: 10%; right: 7%; top: 47%; height: 14px; background: linear-gradient(90deg, var(--iron), var(--paper), var(--brass)); transform: skewX(-28deg); box-shadow: 0 0 24px rgba(241,230,207,.2); }
.blade-card.analogy i { border-radius: 70% 0 60% 0; transform: rotate(-8deg) skewX(-20deg); }
.blade-card.objection i::after { content: ""; position: absolute; right: 0; top: -28px; width: 78px; height: 56px; border-top: 12px solid var(--iron); border-right: 12px solid var(--iron); transform: rotate(24deg); }
.blade-card.synthesis i { height: 24px; background: linear-gradient(90deg, var(--brass), var(--paper) 48%, var(--vermilion) 52%, var(--iron)); }
.blade-card p { position: absolute; bottom: 28px; left: 34px; right: 34px; color: rgba(241,230,207,.82); }
.rack-controls { display: flex; gap: 14px; justify-content: center; }

.standard { min-height: 108vh; background: radial-gradient(circle at 50% 50%, rgba(196,49,37,.18), transparent 30%), linear-gradient(140deg, var(--ember), var(--lacquer)); }
.standard-banner { margin: auto; text-align: left; }
.final-stamp { position: static; margin-top: 20px; color: var(--paper); }
.wax-field { position: absolute; right: 12vw; bottom: 18vh; width: 156px; height: 156px; border-radius: 48% 52% 44% 56%; background: var(--vermilion); display: grid; place-items: center; box-shadow: inset -18px -20px 35px rgba(42,9,7,.42), 0 0 55px rgba(196,49,37,.3); transform: rotate(-12deg) scale(.35); opacity: .22; transition: transform .7s cubic-bezier(.19,1,.22,1), opacity .7s; }
.wax-field span { border: 4px solid var(--paper); padding: 18px; font: 800 2.6rem var(--display); }
.wax-field.stamped { transform: rotate(-12deg) scale(1); opacity: .95; }
footer { position: absolute; left: 11vw; bottom: 5vh; color: var(--iron); }

@media (max-width: 800px) {
  .shogi-nav { right: 8px; gap: 8px; }
  .shogi-nav button { width: 32px; height: 38px; font-size: .72rem; }
  .chamber { padding: 12vh 56px 8vh 42px; }
  .war-fan { right: -18vw; opacity: .35; }
  .proof-blade { width: 120vw; min-width: 0; }
  .tatami-map { position: relative; left: auto; bottom: auto; width: 100%; height: 260px; margin-top: 22px; }
  .doctrine { grid-template-columns: 1fr; }
  .armor-wall { grid-template-columns: 1fr; transform: none; }
  .attack-lines, .ember-bed { opacity: .35; width: 80vw; }
}