:root {
  /* Interface/body: **Inter** for tiny operational details; Inter for tiny operational details */
  --design-font-token: "**Inter**";
  --sumi: #050505;
  --lacquer: #111111;
  --ash: #E8E2D4;
  --fog: #8A8982;
  --ember: #D83A2E;
  --violet: #5B4B7A;
  --gold: #BFA46A;
  --display: "Cormorant Garamond", Garamond, serif;
  --jp: "Noto Serif JP", serif;
  --ui: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--sumi);
  color: var(--ash);
  font-family: var(--ui);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(232,226,212,.035) 1px, transparent 1px) 13vw 0 / 24vw 100%,
    radial-gradient(circle at 50% 18%, rgba(138,137,130,.08), transparent 32%),
    linear-gradient(180deg, transparent, rgba(17,17,17,.8) 72%, #050505);
  mix-blend-mode: screen;
}

.ambient, .mesh, .rain-field { position: fixed; inset: 0; pointer-events: none; }

.mesh {
  opacity: .28;
  filter: blur(44px);
  transform: translateZ(0);
}

.mesh-one {
  background: radial-gradient(circle at 61% 36%, rgba(91,75,122,.42), transparent 21%), radial-gradient(circle at 56% 43%, rgba(216,58,46,.18), transparent 15%);
  animation: driftMesh 18s ease-in-out infinite alternate;
}

.mesh-two {
  background: radial-gradient(circle at 42% 76%, rgba(191,164,106,.12), transparent 18%), radial-gradient(circle at 47% 80%, rgba(17,17,17,.9), transparent 34%);
  animation: driftMesh 24s ease-in-out infinite alternate-reverse;
}

.rain-drop {
  position: absolute;
  width: 1px;
  height: var(--drop-height);
  left: var(--drop-left);
  top: var(--drop-top);
  background: linear-gradient(180deg, transparent, rgba(232,226,212,.22), transparent);
  animation: rainFall var(--drop-speed) linear infinite;
  animation-delay: var(--drop-delay);
}

.receipt-rail {
  position: fixed;
  z-index: 10;
  left: clamp(18px, 4vw, 54px);
  top: 0;
  width: 34px;
  height: 100vh;
  color: var(--fog);
  font-family: var(--jp);
  font-size: 10px;
  letter-spacing: .18em;
}

.rail-line {
  position: absolute;
  left: 16px;
  top: 8vh;
  bottom: 8vh;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--fog), rgba(216,58,46,.55), var(--fog), transparent);
  opacity: .55;
}

.station-nav {
  position: absolute;
  top: 18vh;
  left: 5px;
  display: flex;
  flex-direction: column;
  gap: 8vh;
}

.rail-mark {
  display: grid;
  place-items: center;
  width: 23px;
  height: 23px;
  color: var(--fog);
  text-decoration: none;
  border: 1px solid rgba(138,137,130,.25);
  background: rgba(5,5,5,.72);
  transition: color .4s ease, border-color .4s ease, transform .4s ease;
}

.rail-mark.active {
  color: var(--ember);
  border-color: rgba(216,58,46,.55);
  transform: translateX(8px) rotate(45deg);
}

.rail-mark.active span { transform: rotate(-45deg); }

.rail-caption {
  position: absolute;
  bottom: 5vh;
  left: -22px;
  writing-mode: vertical-rl;
  font-family: var(--ui);
  text-transform: uppercase;
  color: rgba(138,137,130,.55);
}

.alley {
  width: min(76vw, 760px);
  margin: 0 auto;
  padding: 0 0 14vh;
}

.station {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 14vh 0;
  opacity: .42;
  transform: translateY(22px);
  transition: opacity 1.1s ease, transform 1.1s ease;
}

.station.is-visible, .station.is-open { opacity: 1; transform: translateY(0); }
.station:nth-child(2) { margin-left: -8vw; }
.station:nth-child(3) { margin-left: 5vw; }
.station:nth-child(4) { margin-left: -3vw; }
.station:nth-child(5) { margin-left: 4vw; }

.vertical-label {
  position: absolute;
  top: 18vh;
  right: calc(100% + 28px);
  writing-mode: vertical-rl;
  font-family: var(--jp);
  color: rgba(138,137,130,.74);
  letter-spacing: .34em;
  font-size: 12px;
}

.floor-line {
  position: absolute;
  left: 4%;
  right: 40%;
  bottom: 24vh;
  height: 1px;
  background: var(--fog);
  transform-origin: left;
  animation: drawFloor 2s .5s ease forwards;
  transform: scaleX(0);
  opacity: .65;
}

.sign-panel { padding-top: 18vh; }
.microtime, .skyline-label {
  font-size: 10px;
  color: var(--fog);
  text-transform: uppercase;
  letter-spacing: .32em;
  font-weight: 300;
}

.wordmark {
  position: relative;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(74px, 13vw, 168px);
  font-weight: 500;
  letter-spacing: -.07em;
  line-height: .72;
  color: var(--ash);
  text-shadow: 0 18px 40px rgba(0,0,0,.9);
}

.tail {
  display: inline-block;
  color: var(--fog);
  transform: translateY(.04em) rotate(-18deg);
}

.ember-dot {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  right: .03em;
  bottom: -.02em;
  background: var(--ember);
  box-shadow: 0 0 22px rgba(216,58,46,.9);
  animation: emberBreath 3.2s ease-in-out infinite;
}

h2 {
  margin: 0 0 24px;
  font-family: var(--display);
  font-size: clamp(46px, 8vw, 92px);
  font-weight: 500;
  line-height: .82;
  letter-spacing: -.05em;
}

.station-line {
  max-width: 430px;
  margin: 18px 0 0;
  color: rgba(232,226,212,.78);
  font-family: var(--display);
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.05;
}

.station-names {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  max-width: 520px;
  margin-top: 38px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .8s ease, transform .8s ease;
}

.station-names.revealed, .rain-sign.is-visible .station-names { opacity: 1; transform: translateY(0); }
.station-names span {
  border-top: 1px solid rgba(138,137,130,.45);
  padding: 9px 18px 0 0;
  color: var(--fog);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.reflection {
  position: absolute;
  right: 9%;
  bottom: 10vh;
  width: min(360px, 72vw);
  height: 82px;
  overflow: hidden;
  border-bottom: 1px solid rgba(138,137,130,.38);
  background: linear-gradient(90deg, rgba(17,17,17,.9), rgba(5,5,5,.5));
  cursor: ew-resize;
}

.reflection-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--smear, 18%) 48%, rgba(91,75,122,.85), transparent 20%), radial-gradient(circle at calc(var(--smear, 18%) + 10%) 48%, rgba(216,58,46,.35), transparent 14%);
  transform: translateX(-60%);
  transition: transform .4s ease;
}

.reflection.is-smeared .reflection-glow { transform: translateX(0); }
.reflection p { position: absolute; left: 18px; bottom: 8px; margin: 0; color: rgba(232,226,212,.44); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; }

.counter-slab, .backroom-box, .sealed-note {
  position: relative;
  padding: clamp(28px, 5vw, 58px);
  background: linear-gradient(135deg, rgba(17,17,17,.96), rgba(5,5,5,.82));
  border-left: 1px solid rgba(138,137,130,.35);
  box-shadow: 0 40px 80px rgba(0,0,0,.55);
}

.gold-edge { position: absolute; left: 0; right: 18%; top: 0; height: 1px; background: linear-gradient(90deg, var(--gold), transparent); opacity: .72; }

.menu-strip { margin-top: 46px; border-top: 1px solid rgba(138,137,130,.24); }
.menu-line {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(138,137,130,.2);
  padding: 22px 0;
  background: transparent;
  color: var(--ash);
  text-align: left;
  cursor: pointer;
}

.menu-line span {
  display: block;
  font-family: var(--display);
  font-size: 30px;
  letter-spacing: -.03em;
}

.menu-line em {
  display: block;
  max-height: 0;
  overflow: hidden;
  margin-top: 0;
  color: var(--fog);
  font-style: normal;
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  transition: max-height .5s ease, margin-top .5s ease, color .5s ease;
}

.menu-line:hover em, .menu-line.open em { max-height: 48px; margin-top: 10px; color: var(--gold); }
.menu-line.open span::after { content: "  ◦"; color: var(--ember); }

.steam-vessel { position: relative; min-height: 560px; display: grid; align-items: center; }
.glass {
  position: absolute;
  right: 4%;
  bottom: 8vh;
  width: 320px;
  height: 420px;
  border: 1px solid rgba(138,137,130,.22);
  background: radial-gradient(circle at 50% 72%, rgba(91,75,122,.22), transparent 28%), linear-gradient(180deg, rgba(17,17,17,.1), rgba(232,226,212,.04));
  overflow: hidden;
}

.steam-svg { position: absolute; inset: 0; }
.steam-path {
  fill: none;
  stroke: rgba(232,226,212,.28);
  stroke-width: 1.2;
  stroke-dasharray: 520;
  stroke-dashoffset: 520;
  transition: stroke-dashoffset 1.6s ease, opacity 1.2s ease;
  opacity: .12;
}

.steam-horn.is-visible .steam-path, .glass.revealed .steam-path { stroke-dashoffset: 120; opacity: .72; }
.path-b { transition-delay: .18s; }
.path-c { transition-delay: .34s; stroke: rgba(191,164,106,.28); }

.horn {
  position: absolute;
  top: 86px;
  width: 38px;
  height: 38px;
  border-top: 1px solid rgba(216,58,46,.58);
  opacity: 0;
  transition: opacity .7s ease;
}
.horn-left { left: 105px; border-radius: 100% 0 0 0; transform: rotate(-28deg); }
.horn-right { right: 104px; border-radius: 0 100% 0 0; transform: rotate(28deg); }
.glass.revealed .horn { opacity: 1; animation: hornBlink 1.6s ease forwards; }

.confession {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 34px;
  margin: 0;
  color: rgba(232,226,212,.0);
  font-family: var(--display);
  font-size: 25px;
  line-height: 1;
  transition: color 1s ease;
}
.glass.revealed .confession { color: rgba(232,226,212,.72); }

.bell {
  position: relative;
  width: 86px;
  height: 86px;
  margin-top: 44px;
  border: 1px solid rgba(191,164,106,.55);
  border-radius: 50% 50% 46% 46%;
  background: radial-gradient(circle at 50% 32%, rgba(191,164,106,.42), rgba(17,17,17,.92) 62%);
  cursor: pointer;
}
.bell span { position: absolute; left: 39px; bottom: 12px; width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }

.slit {
  position: absolute;
  right: 0;
  top: 15%;
  width: 2px;
  height: 68%;
  overflow: hidden;
  background: var(--lacquer);
  transition: width .9s cubic-bezier(.16,1,.3,1);
}
.slit.open { width: min(330px, 48vw); }
.slit-light { position: absolute; inset: 0; background: radial-gradient(circle at 68% 48%, rgba(216,58,46,.45), transparent 12%), linear-gradient(90deg, rgba(191,164,106,.22), rgba(91,75,122,.24), transparent); }
.slit p { position: absolute; left: 24px; bottom: 24px; width: 230px; margin: 0; color: rgba(232,226,212,.72); font-size: 11px; line-height: 1.6; letter-spacing: .16em; text-transform: uppercase; }

.sealed-note { min-height: 540px; display: grid; align-content: center; }
.seal {
  width: 74px;
  height: 74px;
  margin-top: 36px;
  border: 1px solid rgba(216,58,46,.55);
  background: rgba(216,58,46,.13);
  color: var(--ember);
  font-family: var(--jp);
  cursor: pointer;
  transform: rotate(-6deg);
}
.secret-note { max-height: 0; overflow: hidden; color: var(--gold); font-family: var(--display); font-size: 28px; transition: max-height .6s ease, margin-top .6s ease; }
.secret-note.open { max-height: 80px; margin-top: 28px; }
.ring {
  position: absolute;
  right: 14%;
  top: 20%;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(191,164,106,.5);
  border-radius: 50%;
  opacity: 0;
}
.ring.sounding { animation: soundRing 1.4s ease-out; }

@keyframes emberBreath { 0%,100% { opacity: .4; transform: scale(.72); } 50% { opacity: 1; transform: scale(1.18); } }
@keyframes drawFloor { to { transform: scaleX(1); } }
@keyframes driftMesh { to { transform: translate3d(4vw, -3vh, 0) scale(1.08); } }
@keyframes rainFall { to { transform: translateY(115vh); } }
@keyframes hornBlink { 0%,100% { opacity: 0; } 35%,72% { opacity: 1; } }
@keyframes soundRing { 0% { opacity: .9; transform: scale(.5); } 100% { opacity: 0; transform: scale(5); } }

@media (max-width: 780px) {
  .alley { width: 78vw; margin-left: 17vw; }
  .station:nth-child(n) { margin-left: 0; }
  .vertical-label { right: auto; left: -34px; }
  .glass { position: relative; right: auto; bottom: auto; width: 100%; margin-top: 42px; }
  .slit.open { width: 70vw; }
}