:root {
  /* Compliance tokens from design prose: “iGGi.dev” subtly Grotesk** Grotesk* */
  --lacquer-night: #111629;
  --shoji-cream: #F7EEDC;
  --lantern-amber: #FFB347;
  --vermilion-thread: #E84A3C;
  --star-mint: #8EF9D3;
  --retro-cobalt: #5267FF;
  --ink-violet: #2B2147;
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Noto Sans JP", system-ui, sans-serif;
  --ui: "Outfit", system-ui, sans-serif;
  --mx: 0px;
  --my: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--shoji-cream);
  background: var(--lacquer-night);
  font-family: var(--body);
}
a { color: inherit; text-decoration: none; }

.night-observatory {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 18%, rgba(82, 103, 255, .22), transparent 34rem),
    radial-gradient(circle at 18% 28%, rgba(255, 179, 71, .14), transparent 28rem),
    radial-gradient(circle at 86% 72%, rgba(43, 33, 71, .86), transparent 35rem),
    linear-gradient(180deg, #111629 0%, #171831 42%, #2B2147 100%);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .28;
  background-image:
    linear-gradient(90deg, rgba(247, 238, 220, .03) 1px, transparent 1px),
    linear-gradient(rgba(247, 238, 220, .025) 1px, transparent 1px),
    radial-gradient(circle at 20% 30%, rgba(247, 238, 220, .07) 0 1px, transparent 1.5px);
  background-size: 8rem 5rem, 8rem 5rem, 1.7rem 1.7rem;
}

.edge-tabs {
  position: fixed;
  right: 1.4rem;
  top: 50%;
  z-index: 20;
  display: flex;
  flex-direction: column;
  gap: .65rem;
  transform: translateY(-50%);
}
.edge-tab {
  writing-mode: vertical-rl;
  padding: 1rem .55rem;
  border: 1px solid rgba(247, 238, 220, .18);
  border-radius: 999px;
  color: rgba(247, 238, 220, .55);
  background: rgba(17, 22, 41, .68);
  font-family: var(--body);
  font-size: .74rem;
  letter-spacing: .18em;
  transition: color .45s ease, border-color .45s ease, box-shadow .45s ease, background .45s ease;
}
.edge-tab.active {
  color: var(--shoji-cream);
  border-color: var(--vermilion-thread);
  background: rgba(232, 74, 60, .14);
  box-shadow: 0 0 1.3rem rgba(232, 74, 60, .45), inset 0 0 1rem rgba(255, 179, 71, .1);
}

.scene {
  position: relative;
  min-height: 100vh;
  padding: clamp(4rem, 7vw, 7.5rem) clamp(1.25rem, 5vw, 6rem);
}
.hero {
  min-height: 112vh;
  display: grid;
  align-items: end;
  padding-bottom: clamp(3rem, 7vh, 6rem);
}

.shoji-sky {
  position: absolute;
  inset: 5vh 8vw 28vh 7vw;
  max-height: 34rem;
  background:
    linear-gradient(90deg, rgba(247, 238, 220, .05) 1px, transparent 1px),
    linear-gradient(rgba(247, 238, 220, .04) 1px, transparent 1px);
  background-size: 25% 50%, 25% 50%;
  border: 1px solid rgba(247, 238, 220, .08);
  border-radius: 2.2rem;
}
.constellation-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.draw-path {
  fill: none;
  stroke: var(--vermilion-thread);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  opacity: .78;
  filter: drop-shadow(0 0 .5rem rgba(232, 74, 60, .35));
  transition: stroke-dashoffset 1.7s cubic-bezier(.2, .7, .2, 1);
}
.slow { transition-duration: 2.25s; }
.scene.in-view .draw-path { stroke-dashoffset: 0; }

.star-card, .archive-card {
  position: relative;
  border: 1px solid rgba(247, 238, 220, .2);
  color: var(--shoji-cream);
  background:
    linear-gradient(135deg, rgba(247, 238, 220, .12), rgba(82, 103, 255, .07)),
    rgba(17, 22, 41, .76);
  box-shadow: 0 1.2rem 3.5rem rgba(0, 0, 0, .25), inset 0 0 0 1px rgba(142, 249, 211, .04);
  backdrop-filter: blur(16px);
  transition: transform .48s cubic-bezier(.2, 1.2, .2, 1), border-color .48s ease, box-shadow .48s ease, background .48s ease;
}
.star-card:hover, .archive-card:hover {
  transform: translateY(-10px) !important;
  border-color: rgba(255, 179, 71, .72);
  box-shadow: 0 1.8rem 4rem rgba(0, 0, 0, .32), 0 0 2rem rgba(255, 179, 71, .16), inset 0 0 0 1px rgba(142, 249, 211, .22);
}
.star-card::before, .archive-card::before {
  content: "";
  position: absolute;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  top: 1rem;
  right: 1rem;
  background: var(--star-mint);
  box-shadow: 0 0 1.2rem var(--star-mint);
}
.star-card {
  position: absolute;
  left: calc(var(--x) * 1%);
  top: calc(var(--y) * 1%);
  padding: 1rem;
  border-radius: 1.15rem;
  font-family: var(--ui);
}
.star-card p { margin: .8rem 0 0; font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; }
.card-tall { width: 8.5rem; height: 15rem; }
.card-slip { width: 7rem; height: 11rem; border-radius: .9rem; }
.card-panel { width: min(28rem, 34vw); height: 14rem; }
.card-small { width: 9rem; height: 9rem; }
.card-kana { color: var(--lantern-amber); letter-spacing: .22em; }
.moon-window { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: 1.5rem; }
.moon-window i, .twin-moons i {
  display: block;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #F7EEDC 0 12%, #FFB347 13% 45%, rgba(255, 179, 71, .16) 46% 70%, transparent 71%);
}
.seal {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 2px solid var(--vermilion-thread);
  color: var(--vermilion-thread);
  font-family: var(--display);
  font-weight: 700;
  transform: rotate(-8deg);
}
.artifact { height: 100%; display: grid; align-content: center; justify-items: start; gap: .75rem; }
.folded-terminal span { width: 65%; height: 1px; background: rgba(142, 249, 211, .7); }
.folded-terminal span:nth-child(2) { width: 42%; background: rgba(255, 179, 71, .7); }
.folded-terminal span:nth-child(3) { width: 78%; background: rgba(232, 74, 60, .7); }
.folded-terminal code { color: var(--star-mint); font-family: var(--ui); }
.brace-rocket { font-family: var(--display); font-size: 3rem; color: var(--shoji-cream); }
.brace-rocket b { color: var(--lantern-amber); font-size: 1.2rem; }

.hero-seal {
  position: relative;
  z-index: 2;
  width: min(82rem, 100%);
  margin: 0 auto;
  text-align: center;
}
.micro-label {
  margin: 0 0 .9rem;
  color: var(--star-mint);
  font-family: var(--ui);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.wordmark {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(4.8rem, 15vw, 14.5rem);
  line-height: .82;
  letter-spacing: -.085em;
  color: var(--shoji-cream);
  text-shadow: 0 0 2rem rgba(255, 179, 71, .16), 0 .04em 0 rgba(232, 74, 60, .65);
}
.wordmark span, .wordmark em {
  display: inline-block;
  font-style: normal;
  transition: transform .55s cubic-bezier(.2, 1.4, .25, 1), color .55s ease, text-shadow .55s ease;
}
.wordmark .g-left { transform: rotateY(180deg) translateX(-.02em); color: var(--shoji-cream); }
.wordmark .g-right { transform: translateX(.02em); color: var(--shoji-cream); }
.wordmark.is-warm .g-left { transform: rotateY(180deg) translateY(-.04em) translateX(-.02em); color: var(--lantern-amber); }
.wordmark.is-warm .g-right { transform: translateY(-.04em) translateX(.02em); color: var(--lantern-amber); }
.intro {
  max-width: 46rem;
  margin: 1.5rem auto 0;
  color: rgba(247, 238, 220, .78);
  font-size: clamp(1rem, 1.8vw, 1.32rem);
  line-height: 1.75;
}

.cabinet {
  display: grid;
  grid-template-columns: minmax(16rem, .7fr) minmax(32rem, 1.35fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.section-copy { max-width: 34rem; }
.section-copy h2, .gate h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.5rem, 6vw, 6.2rem);
  line-height: .95;
  letter-spacing: -.05em;
}
.section-copy p:not(.micro-label), .gate p:not(.micro-label) {
  color: rgba(247, 238, 220, .72);
  font-size: 1.05rem;
  line-height: 1.8;
}
.cabinet-grid {
  position: relative;
  min-height: 43rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 8.5rem;
  gap: 1rem;
}
.archive-card { padding: 1.2rem; border-radius: 1.4rem; }
.archive-card h3 { margin: 0 0 .65rem; font-family: var(--display); font-size: 1.7rem; letter-spacing: -.03em; }
.archive-card p { line-height: 1.5; }
.note-card { grid-column: 1 / 3; grid-row: 1 / 3; }
.moon-card { grid-column: 3 / 5; grid-row: 1 / 4; }
.panel-card { grid-column: 1 / 4; grid-row: 3 / 6; }
.slip-card { grid-column: 4; grid-row: 4 / 7; }
.ema-card { grid-column: 2 / 4; grid-row: 6 / 8; }
.pin-star { display: block; width: 2rem; height: 2rem; clip-path: polygon(50% 0, 61% 36%, 98% 35%, 68% 57%, 79% 93%, 50% 71%, 21% 93%, 32% 57%, 2% 35%, 39% 36%); background: var(--lantern-amber); }
.twin-moons { display: flex; gap: 1rem; width: 9rem; margin: .8rem 0 2rem; }
.mini-map { position: relative; height: 8rem; border: 1px solid rgba(247, 238, 220, .14); border-radius: 1rem; background: linear-gradient(90deg, transparent 24%, rgba(247,238,220,.06) 25%, transparent 26% 49%, rgba(247,238,220,.06) 50%, transparent 51% 74%, rgba(247,238,220,.06) 75%, transparent 76%); }
.mini-map span { position: absolute; width: .6rem; height: .6rem; border-radius: 50%; background: var(--star-mint); box-shadow: 0 0 1rem var(--star-mint); }
.mini-map span:nth-child(1) { left: 14%; top: 32%; }
.mini-map span:nth-child(2) { left: 38%; top: 64%; background: var(--lantern-amber); box-shadow: 0 0 1rem var(--lantern-amber); }
.mini-map span:nth-child(3) { left: 62%; top: 26%; }
.mini-map span:nth-child(4) { left: 82%; top: 55%; background: var(--vermilion-thread); box-shadow: 0 0 1rem var(--vermilion-thread); }
.vertical-poem { writing-mode: vertical-rl; font-family: var(--body); letter-spacing: .2em; color: var(--lantern-amber); }
.ema-satellite { width: 5rem; height: 4rem; display: grid; place-items: center; color: var(--lacquer-night); background: var(--shoji-cream); clip-path: polygon(50% 0, 100% 26%, 100% 100%, 0 100%, 0 26%); box-shadow: 0 0 2rem rgba(255, 179, 71, .2); }

.orbit {
  display: grid;
  grid-template-columns: minmax(20rem, 1fr) minmax(18rem, .8fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: center;
}
.orbit-composition { position: relative; width: min(38rem, 86vw); aspect-ratio: 1; margin: auto; }
.enso-ring { position: absolute; inset: 10%; border: 1px solid rgba(247, 238, 220, .18); border-radius: 50%; }
.ring-two { inset: 24%; border-color: rgba(82, 103, 255, .38); transform: rotate(-18deg); }
.lantern-core { position: absolute; inset: 38%; display: grid; place-items: center; border-radius: 46% 54% 52% 48%; background: radial-gradient(circle, #F7EEDC 0 12%, #FFB347 35%, rgba(232, 74, 60, .36) 68%, transparent 69%); box-shadow: 0 0 5rem rgba(255, 179, 71, .45); }
.lantern-core span { color: var(--lacquer-night); font-family: var(--display); font-size: 4rem; font-weight: 700; }
.orbit-object { position: absolute; display: grid; place-items: center; width: 4.2rem; height: 4.2rem; border-radius: 1.2rem; color: var(--lacquer-night); background: var(--star-mint); font-family: var(--display); font-size: 1.6rem; box-shadow: 0 0 2rem rgba(142, 249, 211, .28); animation: floatCharm 5s ease-in-out infinite alternate; }
.obj-one { left: 11%; top: 18%; }
.obj-two { right: 9%; top: 28%; background: var(--shoji-cream); animation-delay: -1.4s; }
.obj-three { left: 54%; bottom: 9%; background: var(--lantern-amber); animation-delay: -2.7s; }

.signal { min-height: 104vh; display: grid; place-items: center; text-align: center; }
.roofline { position: absolute; left: 8vw; right: 8vw; bottom: 12vh; height: 8rem; border-bottom: 1px solid rgba(247, 238, 220, .16); }
.roofline span { position: absolute; bottom: 0; height: 1px; background: rgba(247, 238, 220, .14); transform-origin: center; }
.roofline span:nth-child(1) { left: 0; width: 42%; transform: rotate(-8deg); }
.roofline span:nth-child(2) { left: 31%; width: 42%; transform: rotate(8deg); }
.roofline span:nth-child(3) { right: 0; width: 34%; transform: rotate(-6deg); }
.gate { max-width: 54rem; }
.mirror-glyph { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-bottom: 2rem; font-family: var(--display); font-size: clamp(3.5rem, 10vw, 9rem); font-weight: 700; letter-spacing: -.08em; color: var(--shoji-cream); }
.mirror-glyph i { width: 5.5rem; height: 5.5rem; border: 2px solid var(--vermilion-thread); border-radius: 50%; box-shadow: 0 0 2rem rgba(232, 74, 60, .35), inset 0 0 2rem rgba(255, 179, 71, .12); }
.mirror-glyph span:first-child { transform: rotateY(180deg); }
.return-link { display: inline-block; margin-top: 1.5rem; padding: .85rem 1.1rem; border: 1px solid rgba(255, 179, 71, .58); border-radius: 999px; color: var(--lacquer-night); background: var(--lantern-amber); font-family: var(--ui); font-weight: 800; letter-spacing: .04em; transition: transform .3s ease, box-shadow .3s ease; }
.return-link:hover { transform: translateY(-4px); box-shadow: 0 0 2rem rgba(255, 179, 71, .28); }

.pointer-stars { position: fixed; inset: 0; pointer-events: none; z-index: 4; }
.pointer-star { position: absolute; left: 50%; top: 50%; width: .42rem; height: .42rem; border-radius: 50%; background: var(--star-mint); box-shadow: 0 0 1rem var(--star-mint); transform: translate3d(var(--sx, 0), var(--sy, 0), 0); }
.star-two { width: .3rem; height: .3rem; background: var(--lantern-amber); box-shadow: 0 0 1rem var(--lantern-amber); }
.star-three { width: .25rem; height: .25rem; }
.star-four { width: .55rem; height: .55rem; background: var(--shoji-cream); box-shadow: 0 0 1rem var(--shoji-cream); }

.reveal-card, .reveal-copy {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s ease var(--d, 0s), transform .9s cubic-bezier(.2, .82, .18, 1) var(--d, 0s);
}
.scene.in-view .reveal-card, .scene.in-view .reveal-copy { opacity: 1; transform: translateY(0); }
.hero .reveal-card { transform: translateY(44px) scale(.96); }
.hero.in-view .reveal-card { transform: translateY(0) scale(1); }

@keyframes floatCharm {
  from { translate: 0 -.5rem; rotate: -3deg; }
  to { translate: .7rem .55rem; rotate: 5deg; }
}

@media (max-width: 900px) {
  .edge-tabs { right: .6rem; }
  .shoji-sky { inset: 7vh 2.8rem 34vh 1rem; }
  .card-panel { width: 15rem; }
  .card-small { display: none; }
  .cabinet, .orbit { grid-template-columns: 1fr; }
  .cabinet-grid { min-height: 58rem; grid-template-columns: 1fr 1fr; grid-auto-rows: minmax(8rem, auto); }
  .note-card, .moon-card, .panel-card, .slip-card, .ema-card { grid-column: auto / span 1; grid-row: auto; }
  .panel-card, .ema-card { grid-column: 1 / -1; }
  .slip-card { min-height: 15rem; }
}

@media (max-width: 560px) {
  .scene { padding-left: 1rem; padding-right: 2.4rem; }
  .wordmark { font-size: clamp(3.9rem, 18vw, 6rem); }
  .shoji-sky { opacity: .68; transform: scale(.86); transform-origin: top center; }
  .card-tall { left: 3% !important; }
  .card-slip { left: 42% !important; }
  .card-panel { left: 10% !important; top: 44% !important; }
  .cabinet-grid { display: block; min-height: auto; }
  .archive-card { margin: 1rem 0; min-height: 10rem; }
  .pointer-stars { display: none; }
}