@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Noto+Serif+JP:wght@500;700;900&family=Shippori+Mincho:wght@600;800&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

:root {
  --black-lacquer: #1B0D0A;
  --oxide-cinnabar: #8F2418;
  --persimmon-lacquer: #C84F24;
  --deep-sumi-brown: #3A1711;
  --washi-cream: #FFF1D6;
  --rice-paper-gold: #F5C85A;
  --amber-cord: #E19A2E;
  --serif: 'Noto Serif JP', serif;
  --display: 'Bebas Neue', sans-serif;
  --gothic: 'Zen Kaku Gothic New', sans-serif;
  --mincho: 'Shippori Mincho', serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--black-lacquer);
  color: var(--washi-cream);
  font-family: var(--gothic);
  overflow-x: hidden;
}

body.focus-mode main { filter: saturate(.72) brightness(.68); }

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: .22;
  background-image: radial-gradient(circle at 18% 21%, rgba(255,241,214,.24) 0 1px, transparent 1px), radial-gradient(circle at 82% 77%, rgba(245,200,90,.18) 0 1px, transparent 1px), linear-gradient(100deg, transparent, rgba(255,241,214,.04), transparent);
  background-size: 34px 34px, 47px 47px, 100% 100%;
  mix-blend-mode: overlay;
}

.focus-veil {
  position: fixed;
  inset: 0;
  background: rgba(27, 13, 10, .62);
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s ease;
  z-index: 35;
}

body.focus-mode .focus-veil { opacity: 1; }

.site-header {
  position: fixed;
  left: 22px;
  right: 22px;
  top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 50;
  font-family: var(--gothic);
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: 12px;
}

.brand-mark, .nav-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(58, 23, 17, .72);
  border: 1px solid rgba(245, 200, 90, .38);
  box-shadow: 0 14px 44px rgba(0,0,0,.35);
  padding: 8px 12px;
}

.seal-mark, .inspector-seal, .seal-big {
  display: grid;
  place-items: center;
  background: var(--oxide-cinnabar);
  color: var(--washi-cream);
  font-family: var(--serif);
  font-weight: 900;
}

.seal-mark { width: 28px; height: 28px; border-radius: 50%; }
.nav-rail a { color: var(--washi-cream); text-decoration: none; transition: color .2s, transform .2s; }
.nav-rail a:hover { color: var(--rice-paper-gold); transform: translateY(-2px); }

.chamber {
  position: relative;
  min-height: 100vh;
  padding: 92px clamp(18px, 4vw, 62px) 56px;
  border-bottom: 1px solid rgba(245,200,90,.22);
  isolation: isolate;
}

.armory-wall {
  display: grid;
  grid-template-columns: minmax(130px, 18vw) 1fr;
  gap: clamp(18px, 3vw, 38px);
  background: radial-gradient(circle at 76% 14%, rgba(200,79,36,.32), transparent 36%), linear-gradient(135deg, var(--black-lacquer), var(--deep-sumi-brown) 58%, #120805);
}

.armory-wall::before, .chamber::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 2px solid rgba(225,154,46,.32);
  outline: 1px solid rgba(143,36,24,.48);
  outline-offset: -9px;
  pointer-events: none;
  z-index: -1;
}

.vertical-title {
  grid-row: span 2;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  align-content: end;
  min-height: calc(100vh - 150px);
}

.vertical-title span {
  writing-mode: vertical-rl;
  font-family: var(--serif);
  font-size: clamp(40px, 7vw, 98px);
  color: var(--rice-paper-gold);
  text-shadow: 4px 4px 0 var(--oxide-cinnabar);
}

.vertical-title b {
  font-family: var(--display);
  font-size: clamp(78px, 13vw, 178px);
  line-height: .78;
  color: var(--washi-cream);
  letter-spacing: .025em;
  transform: translateY(10px);
}

.hero-copy {
  align-self: end;
  max-width: 790px;
  margin-left: auto;
  padding: 28px;
  background: rgba(27,13,10,.56);
  border-left: 7px solid var(--persimmon-lacquer);
}

.eyebrow { color: var(--amber-cord); text-transform: uppercase; letter-spacing: .22em; font-size: 12px; font-weight: 900; }
.hero-copy h1, .chamber-heading h2, .manifesto-scroll h2 { margin: 0; font-family: var(--display); letter-spacing: .035em; line-height: .84; }
.hero-copy h1 { font-size: clamp(66px, 11vw, 164px); }
.hero-copy p:not(.eyebrow), .chamber-heading p, .manifesto-scroll p { font-family: var(--serif); line-height: 1.75; }

.artifact-grid { display: grid; gap: 14px; }
.hero-grid { grid-template-columns: repeat(12, 1fr); grid-auto-rows: minmax(86px, auto); align-self: stretch; }

.artifact {
  position: relative;
  overflow: hidden;
  min-height: 150px;
  padding: 20px;
  background: var(--washi-cream);
  color: var(--black-lacquer);
  border: 3px solid var(--deep-sumi-brown);
  box-shadow: inset 0 0 0 6px rgba(143,36,24,.13), 0 20px 40px rgba(0,0,0,.35);
  transition: transform .35s ease, box-shadow .35s ease, filter .35s ease;
  cursor: pointer;
}

.artifact::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed rgba(58,23,17,.35);
  pointer-events: none;
}

.artifact:hover { transform: translateY(-7px) scale(1.025); box-shadow: 0 30px 70px rgba(0,0,0,.5); }
body.focus-mode .artifact:not(.selected) { filter: brightness(.48) saturate(.6); }
.artifact.selected { z-index: 45; transform: scale(1.08) rotate(-.5deg); }

.plate-large { grid-column: span 5; grid-row: span 3; background: var(--rice-paper-gold); }
.crest-cell { grid-column: span 3; grid-row: span 2; background: var(--persimmon-lacquer); color: var(--washi-cream); }
.strip-cell { grid-column: span 2; grid-row: span 3; background: var(--deep-sumi-brown); color: var(--washi-cream); }
.knot-cell { grid-column: span 4; grid-row: span 2; background: var(--washi-cream); }
.scroll-cell { grid-column: span 3; grid-row: span 2; background: #fff7e5; }
.banner-cell { grid-column: span 5; grid-row: span 2; background: var(--oxide-cinnabar); color: var(--rice-paper-gold); }

.artifact h2, .artifact h3 { position: relative; margin: 10px 0 4px; font-family: var(--serif); font-weight: 900; }
.artifact h2 { font-size: clamp(36px, 5vw, 72px); }
.artifact h3 { font-size: clamp(24px, 3vw, 42px); }
.artifact p { position: relative; font-family: var(--gothic); font-weight: 700; }
.shogi-label, .cell-code {
  display: inline-block;
  padding: 5px 10px;
  background: var(--black-lacquer);
  color: var(--rice-paper-gold);
  font-family: var(--serif);
  clip-path: polygon(50% 0, 100% 24%, 88% 100%, 12% 100%, 0 24%);
}

.shield-diagram svg, .diagram-panel svg { width: 100%; max-height: 170px; fill: none; stroke: var(--oxide-cinnabar); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.mon { position: relative; width: 132px; height: 132px; margin: 26px auto; border: 5px solid var(--rice-paper-gold); border-radius: 50%; }
.mon i { position: absolute; width: 56px; height: 56px; border-radius: 50%; border: 4px solid var(--rice-paper-gold); }
.mon i:nth-child(1) { left: 35px; top: 12px; }
.mon i:nth-child(2) { left: 13px; bottom: 18px; }
.mon i:nth-child(3) { right: 13px; bottom: 18px; }
.writing-vertical { writing-mode: vertical-rl; font-family: var(--serif); font-size: 42px; color: var(--rice-paper-gold); float: right; }
.cord-map { width: 100%; height: 112px; fill: none; stroke: var(--amber-cord); stroke-width: 8; stroke-linecap: round; }
.redaction { display: block; height: 18px; margin: 24px 0 12px; background: var(--black-lacquer); width: 86%; transform: rotate(-2deg); }
.redaction.short { width: 54%; background: var(--oxide-cinnabar); }
.banner-cell b { display: block; font-family: var(--display); font-size: clamp(72px, 11vw, 152px); line-height: .8; }
.banner-cell span { font-family: var(--mincho); font-size: 28px; }

.forge { background: radial-gradient(circle at 18% 28%, rgba(225,154,46,.24), transparent 28%), var(--deep-sumi-brown); }
.lacing { background: linear-gradient(90deg, #120805, var(--black-lacquer), var(--deep-sumi-brown)); }
.shield { background: radial-gradient(circle at 50% 45%, rgba(143,36,24,.23), transparent 34%), #130806; }
.unsheathing { background: var(--washi-cream); color: var(--black-lacquer); display: grid; place-items: center; }

.chamber-heading { max-width: 920px; margin: 0 0 34px; display: grid; grid-template-columns: 74px 1fr; column-gap: 22px; align-items: end; }
.chamber-no { grid-row: span 2; width: 70px; height: 92px; display: grid; place-items: center; background: var(--oxide-cinnabar); color: var(--rice-paper-gold); font: 900 42px var(--serif); clip-path: polygon(50% 0, 100% 18%, 88% 100%, 12% 100%, 0 18%); }
.chamber-heading h2 { font-size: clamp(82px, 15vw, 210px); color: var(--rice-paper-gold); text-shadow: 8px 8px 0 var(--oxide-cinnabar); }
.chamber-heading p { grid-column: 2; max-width: 640px; color: var(--washi-cream); }

.forge-grid { grid-template-columns: 1.5fr 1fr .7fr; transform: rotate(-1deg); }
.hot-panel { min-height: 390px; background: var(--persimmon-lacquer); color: var(--washi-cream); }
.diagram-panel { min-height: 310px; background: var(--rice-paper-gold); transform: translateY(54px) rotate(2deg); }
.rule-panel { min-height: 360px; background: var(--black-lacquer); color: var(--washi-cream); transform: translateY(-22px); }

.lacing-stage { position: relative; min-height: 430px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; align-items: center; }
.lacing-lines { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: var(--amber-cord); stroke-width: 12; stroke-linecap: round; opacity: .88; }
.lace-card { min-height: 230px; background: var(--washi-cream); transform: translateY(var(--lift, 0)); }
.lace-card:nth-of-type(2) { --lift: 70px; background: var(--rice-paper-gold); }
.lace-card:nth-of-type(3) { --lift: -40px; background: var(--persimmon-lacquer); color: var(--washi-cream); }
.lace-card:nth-of-type(4) { --lift: 50px; background: var(--deep-sumi-brown); color: var(--washi-cream); }
.lace-card span { font: 900 70px var(--serif); color: var(--oxide-cinnabar); }

.shield-stack { position: relative; min-height: 600px; max-width: 1000px; margin: 0 auto; }
.armor-plate { position: absolute; width: 62%; min-height: 190px; background: var(--washi-cream); border-radius: 8px 8px 32px 32px; display: flex; justify-content: space-between; align-items: center; }
.armor-plate:nth-child(1) { left: 2%; top: 20px; }
.armor-plate:nth-child(2) { right: 0; top: 145px; background: var(--rice-paper-gold); }
.armor-plate:nth-child(3) { left: 8%; top: 270px; background: var(--persimmon-lacquer); color: var(--washi-cream); }
.armor-plate:nth-child(4) { right: 8%; top: 395px; background: var(--deep-sumi-brown); color: var(--washi-cream); }
.armor-plate b { font: 84px/.85 var(--display); }
.armor-plate span { font: 900 44px var(--serif); writing-mode: vertical-rl; color: var(--amber-cord); }

.manifesto-scroll {
  position: relative;
  width: min(1080px, 92vw);
  padding: clamp(34px, 6vw, 78px);
  background: linear-gradient(90deg, rgba(225,154,46,.18), transparent 10%, transparent 90%, rgba(225,154,46,.18)), var(--washi-cream);
  border: 4px solid var(--deep-sumi-brown);
  box-shadow: 0 30px 0 var(--amber-cord), 0 60px 80px rgba(0,0,0,.45);
}
.seal-big { position: absolute; right: 40px; top: 34px; width: 82px; height: 82px; border-radius: 50%; font-size: 46px; }
.manifesto-scroll h2 { font-size: clamp(88px, 16vw, 220px); color: var(--oxide-cinnabar); }
.pullquote { font: 800 clamp(24px, 4vw, 48px)/1.35 var(--mincho) !important; color: var(--deep-sumi-brown); }
.manifesto-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.manifesto-grid p { border-left: 5px solid var(--persimmon-lacquer); padding-left: 18px; }

.inspector {
  position: fixed;
  z-index: 70;
  right: 28px;
  bottom: 28px;
  width: min(440px, calc(100vw - 56px));
  padding: 28px;
  background: var(--washi-cream);
  color: var(--black-lacquer);
  border: 4px solid var(--oxide-cinnabar);
  box-shadow: 0 30px 90px rgba(0,0,0,.6);
  transform: translateY(130%) rotate(2deg);
  transition: transform .38s cubic-bezier(.2,.8,.2,1);
}
.inspector.open { transform: translateY(0) rotate(0deg); }
.inspector button { position: absolute; top: 12px; right: 12px; border: 0; background: var(--black-lacquer); color: var(--washi-cream); padding: 8px 12px; text-transform: uppercase; letter-spacing: .16em; cursor: pointer; }
.inspector-seal { width: 56px; height: 56px; border-radius: 50%; margin-bottom: 12px; }
.inspector h2 { margin: 0; font: 900 42px var(--serif); }
.inspector p { font: 600 18px/1.7 var(--serif); }

@keyframes sealPress { 0% { transform: scale(.72) rotate(-12deg); opacity: 0; } 70% { transform: scale(1.08) rotate(2deg); opacity: 1; } 100% { transform: scale(1) rotate(0); opacity: 1; } }
.inspector.open .inspector-seal { animation: sealPress .42s ease both; }

@media (max-width: 900px) {
  .site-header { position: absolute; align-items: flex-start; }
  .nav-rail { flex-wrap: wrap; justify-content: flex-end; max-width: 58vw; }
  .armory-wall { grid-template-columns: 1fr; }
  .vertical-title { grid-row: auto; min-height: auto; grid-template-columns: 42px 1fr; }
  .hero-grid, .forge-grid, .lacing-stage, .manifesto-grid { grid-template-columns: 1fr; }
  .artifact { grid-column: auto !important; grid-row: auto !important; }
  .diagram-panel, .rule-panel, .forge-grid { transform: none; }
  .lacing-lines { display: none; }
  .lace-card { transform: none; }
  .shield-stack { min-height: auto; display: grid; gap: 18px; }
  .armor-plate { position: relative; inset: auto !important; width: 100%; }
}