:root {
  --blackout: #090B10;
  --kelp: #14313A;
  --driftwood: #D8D0BD;
  --seaglass: #8FB7C4;
  --foam: #F2EEE4;
  --coral: #D96E5F;
  --lavender: #B8A7FF;
  --slate: #2A3E46;
  --display: "EB Garamond", Georgia, serif;
  --body: "Cormorant Garamond", Georgia, serif;
  --label: "Noto Sans JP", Inter, system-ui, sans-serif;
  --block: clamp(74px, 10vw, 148px);
  --gap: clamp(12px, 2vw, 28px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--blackout);
}

body {
  margin: 0;
  color: var(--foam);
  background:
    radial-gradient(circle at 18% 22%, rgba(143, 183, 196, 0.16), transparent 30vw),
    radial-gradient(circle at 85% 8%, rgba(184, 167, 255, 0.08), transparent 22vw),
    linear-gradient(135deg, var(--blackout) 0%, var(--kelp) 58%, var(--blackout) 100%);
  font-family: var(--body);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: .24;
  mix-blend-mode: screen;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(242,238,228,.14) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(216,208,189,.12) 0 1px, transparent 1px);
  background-size: 17px 19px, 29px 31px;
}

#particle-field {
  position: fixed;
  inset: 0;
  z-index: 3;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  mix-blend-mode: screen;
}

.room-index {
  position: fixed;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: grid;
  gap: 12px;
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: .18em;
  color: rgba(242, 238, 228, .58);
}

.room-index a {
  padding: 7px 6px;
  border-left: 1px solid rgba(216, 208, 189, .22);
  transition: color .3s ease, border-color .3s ease, transform .3s ease;
}

.room-index a:hover,
.room-index a.active {
  color: var(--lavender);
  border-color: var(--coral);
  transform: translateX(-4px);
}

.apartment { position: relative; z-index: 5; }

.room {
  min-height: 100vh;
  position: relative;
  padding: clamp(34px, 6vw, 82px);
  display: grid;
  overflow: hidden;
  isolation: isolate;
}

.room::before {
  content: attr(data-room);
  position: absolute;
  left: clamp(18px, 3vw, 42px);
  bottom: 22px;
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: rgba(143, 183, 196, .35);
}

.module {
  position: relative;
  background: linear-gradient(145deg, rgba(242, 238, 228, .95), rgba(216, 208, 189, .82));
  color: var(--kelp);
  box-shadow: 0 18px 60px rgba(0, 0, 0, .38), inset 0 0 0 1px rgba(242, 238, 228, .32);
  border-radius: 2px;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), box-shadow .45s ease, filter .45s ease;
}

.module::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(9, 11, 16, .08), transparent);
  opacity: .45;
}

.module:hover {
  transform: translate(var(--hover-x, 0), -6px) rotate(var(--hover-r, -.35deg));
  box-shadow: 0 26px 80px rgba(0, 0, 0, .5), -3px 0 0 var(--coral);
}

.micro,
figcaption,
.room-title span,
.module span {
  font-family: var(--label);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.coral,
.stamp { color: var(--coral); }

.corner-mark {
  position: absolute;
  top: clamp(22px, 4vw, 54px);
  left: clamp(24px, 5vw, 78px);
  font-family: var(--display);
  font-size: clamp(32px, 7vw, 94px);
  font-weight: 600;
  letter-spacing: -.045em;
  color: var(--foam);
  opacity: .92;
}

.corner-mark.lower {
  top: auto;
  left: auto;
  right: 8vw;
  bottom: 9vh;
  font-size: clamp(24px, 4vw, 58px);
  font-style: italic;
  color: rgba(242,238,228,.55);
}

.threshold {
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(8, 1fr);
  background: radial-gradient(circle at 70% 60%, rgba(42,62,70,.48), transparent 42%), transparent;
}

.lantern-a { grid-column: 3 / 6; grid-row: 3 / 5; transform: translateY(14px) rotate(-1.2deg); }
.lantern-b { grid-column: 6 / 11; grid-row: 2 / 6; padding: clamp(24px, 4vw, 54px); transform: translate(-18px, 8px) rotate(.45deg); background: rgba(242,238,228,.16); color: var(--foam); backdrop-filter: blur(10px); }
.lantern-c { grid-column: 5 / 8; grid-row: 6 / 8; padding: 20px; transform: translate(22px, -8px) rotate(.8deg); display: grid; align-content: end; gap: 18px; }

h1, h2 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -.04em;
  line-height: .92;
  margin: 0;
}

h1 { font-size: clamp(64px, 13vw, 176px); }
h2 { font-size: clamp(38px, 7vw, 98px); }
p { font-size: clamp(20px, 2vw, 30px); line-height: 1.18; margin: 0; }

.lantern-b p { max-width: 12em; color: rgba(242,238,228,.76); margin-top: 18px; }
.door-glyph { font-size: 40px; color: var(--kelp); }
.negative-door { grid-column: 9 / 11; grid-row: 6 / 9; border: 1px solid rgba(143,183,196,.28); background: rgba(9,11,16,.36); transform: translateX(20px); }

.room-title { align-self: start; max-width: 880px; z-index: 2; }
.room-title span { color: var(--seaglass); display: block; margin-bottom: 12px; }

.blackout-table { align-items: center; }
.table-grid {
  margin-top: 6vh;
  display: grid;
  grid-template-columns: repeat(10, minmax(42px, 1fr));
  grid-template-rows: repeat(5, minmax(70px, 1fr));
  gap: var(--gap);
  min-height: 58vh;
}

.table-block.wide { grid-column: 2 / 7; grid-row: 1 / 4; padding: clamp(24px, 4vw, 48px); display: grid; align-content: end; gap: 16px; }
.photo-cups { grid-column: 7 / 10; grid-row: 1 / 3; padding: 12px; transform: translateY(18px) rotate(1.4deg); }
.note-block { grid-column: 5 / 8; grid-row: 4 / 6; padding: 28px; transform: translate(-18px, -8px) rotate(-.6deg); }
.scratch-block { grid-column: 1 / 4; grid-row: 3 / 6; padding: 18px; background: rgba(216,208,189,.18); color: var(--foam); backdrop-filter: blur(8px); }
.scratch-block svg { width: 100%; height: 78%; overflow: visible; }
.scratch-block path, .scratch-block circle { fill: none; stroke: rgba(242,238,228,.38); stroke-width: 1.4; }
.ring { position: absolute; border: 1px solid rgba(42,62,70,.2); border-radius: 50%; }
.ring-one { width: 96px; height: 96px; top: 28px; right: 20%; box-shadow: inset 0 0 0 6px rgba(42,62,70,.035); }

.tape { position: absolute; width: 64px; height: 20px; background: rgba(242,238,228,.38); box-shadow: 0 0 18px rgba(242,238,228,.08); z-index: 3; }
.tape-left { left: -18px; top: 18px; transform: rotate(-9deg); }
.tape-right { right: -16px; top: 22px; transform: rotate(11deg); }

.photo-shape {
  min-height: 100%;
  height: 100%;
  background:
    linear-gradient(135deg, rgba(9,11,16,.28), rgba(143,183,196,.38)),
    radial-gradient(circle at 22% 20%, rgba(242,238,228,.72), transparent 13%),
    linear-gradient(70deg, var(--kelp) 0 24%, var(--seaglass) 24% 39%, var(--blackout) 39% 55%, var(--driftwood) 55% 70%, var(--slate) 70% 100%);
  filter: grayscale(.2) contrast(1.25) saturate(.76);
  clip-path: polygon(3% 8%, 100% 0, 95% 88%, 12% 100%);
  mix-blend-mode: multiply;
}
.cups { height: 220px; background-image: radial-gradient(circle at 34% 52%, var(--foam) 0 16%, transparent 17%), radial-gradient(circle at 58% 42%, var(--seaglass) 0 18%, transparent 19%), linear-gradient(120deg, var(--blackout), var(--seaglass) 48%, var(--driftwood)); }
.balcony { height: 54vh; background-image: linear-gradient(90deg, var(--blackout) 0 12%, var(--seaglass) 12% 16%, var(--slate) 16% 44%, var(--foam) 44% 46%, var(--kelp) 46% 100%); }
.speaker { height: 100%; background-image: radial-gradient(circle at 50% 48%, var(--blackout) 0 22%, var(--seaglass) 23% 28%, transparent 29%), linear-gradient(145deg, var(--slate), var(--driftwood)); }
.silhouette { height: 56vh; background-image: radial-gradient(ellipse at 52% 34%, var(--blackout) 0 24%, transparent 25%), linear-gradient(90deg, var(--driftwood), var(--kelp)); }
figcaption { margin-top: 10px; color: rgba(20,49,58,.78); }

.ripple-corridor { align-content: center; }
.narrow-title { max-width: 720px; margin-left: 8vw; }
.corridor-strip {
  margin-top: 8vh;
  display: grid;
  grid-template-columns: 1.2fr .8fr 1.8fr .65fr 1fr;
  gap: clamp(8px, 1.8vw, 22px);
  align-items: center;
  transform: translateX(-3vw);
}
.screen-slat { min-height: 44vh; padding: 18px; background: rgba(242,238,228,.12); color: rgba(242,238,228,.8); border: 1px solid rgba(216,208,189,.2); backdrop-filter: blur(11px); animation: screenDrift 7s ease-in-out infinite alternate; }
.screen-slat:nth-child(2) { animation-delay: -1s; }
.screen-slat:nth-child(4) { animation-delay: -2.8s; }
.screen-slat.tall { min-height: 62vh; }
.screen-slat.short { min-height: 32vh; }
.photo-slat { padding: 10px; background: rgba(216,208,189,.9); }
.corridor-copy { max-width: 420px; margin: 34px 0 0 auto; color: rgba(242,238,228,.66); }

.error-dance { align-content: center; background: radial-gradient(circle at 50% 50%, rgba(217,110,95,.09), transparent 42%), transparent; }
.wordmark-double { position: relative; font-family: var(--display); font-size: clamp(58px, 12vw, 170px); font-weight: 700; letter-spacing: -.05em; color: var(--foam); margin-left: 5vw; z-index: 1; }
.wordmark-double::after { content: attr(data-text); position: absolute; left: 8px; top: 4px; color: var(--coral); opacity: 0; mix-blend-mode: screen; }
.error-dance.dancing .wordmark-double::after { animation: doubleFlash .8s steps(2, end) 3; }
.dance-floor { display: grid; grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(4, minmax(70px, 1fr)); gap: var(--gap); min-height: 48vh; margin-top: -2vh; }
.dance-block { border: 0; text-align: left; font: inherit; cursor: pointer; padding: 20px; }
.dance-block.primary { grid-column: 2 / 6; grid-row: 1 / 3; background: var(--foam); display: grid; gap: 22px; align-content: center; }
.dance-block.primary strong { font-family: var(--display); font-size: clamp(32px, 5vw, 70px); line-height: .9; font-weight: 600; }
.dance-block.coral-edge { grid-column: 6 / 8; grid-row: 2 / 4; box-shadow: -5px 0 0 var(--coral), 0 20px 50px rgba(0,0,0,.44); }
.dance-block.thin { grid-column: 1 / 3; grid-row: 3 / 4; background: rgba(143,183,196,.22); color: var(--foam); }
.dance-block.photo-fragment { grid-column: 4 / 7; grid-row: 3 / 5; padding: 10px; }
.dance-block.quiet { grid-column: 7 / 9; grid-row: 1 / 2; background: rgba(216,208,189,.16); color: var(--foam); }
.dancing .dance-block { animation: errorDance .62s cubic-bezier(.36,.07,.19,.97) 4; }
.dancing .dance-block:nth-child(2) { animation-delay: .06s; }
.dancing .dance-block:nth-child(3) { animation-delay: .12s; }
.dancing .dance-block:nth-child(4) { animation-delay: .18s; }

.afterimage-room { align-content: center; }
.after-grid { display: grid; grid-template-columns: repeat(10, 1fr); grid-template-rows: repeat(5, minmax(78px, 1fr)); gap: var(--gap); min-height: 70vh; }
.final-photo { grid-column: 2 / 5; grid-row: 1 / 5; padding: 12px; transform: rotate(-.8deg); }
.final-note { grid-column: 5 / 10; grid-row: 2 / 5; padding: clamp(28px, 5vw, 62px); background: rgba(242,238,228,.12); color: var(--foam); backdrop-filter: blur(12px); }
.final-note p { max-width: 18em; color: rgba(242,238,228,.68); margin-top: 22px; }
.last-block { grid-column: 8 / 9; grid-row: 1 / 2; display: grid; place-items: center; background: var(--driftwood); }

.reveal-panel { overflow: hidden; }
.reveal-panel > * { transform: translateY(18px); opacity: .78; transition: transform .7s ease, opacity .7s ease; }
.reveal-panel.visible > * { transform: translateY(0); opacity: 1; }

.shake-now { animation: hoverShake .42s cubic-bezier(.36,.07,.19,.97); }

@keyframes hoverShake {
  10%, 90% { transform: translate3d(-1px, 0, 0) rotate(-.2deg); }
  20%, 80% { transform: translate3d(2px, 0, 0) rotate(.28deg); }
  30%, 50%, 70% { transform: translate3d(-4px, 0, 0) rotate(-.42deg); box-shadow: -4px 0 0 var(--coral), 0 22px 60px rgba(0,0,0,.48); }
  40%, 60% { transform: translate3d(4px, 0, 0) rotate(.36deg); }
}

@keyframes errorDance {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  18% { transform: translate(-6px, 2px) rotate(-.7deg); filter: hue-rotate(8deg); }
  36% { transform: translate(4px, -3px) rotate(.5deg); box-shadow: -6px 0 0 var(--coral), 0 26px 70px rgba(0,0,0,.5); }
  64% { transform: translate(-2px, 5px) rotate(-.35deg); }
  82% { transform: translate(5px, 0) rotate(.25deg); }
}

@keyframes doubleFlash {
  0%, 100% { opacity: 0; transform: translate(0,0); }
  30% { opacity: .78; transform: translate(5px,-2px); }
  55% { opacity: .25; transform: translate(-3px,2px); }
}

@keyframes screenDrift {
  from { transform: translateX(-8px); }
  to { transform: translateX(12px); }
}

@media (max-width: 760px) {
  .room { padding: 28px 18px 70px; }
  .room-index { right: 8px; }
  .threshold, .table-grid, .dance-floor, .after-grid { display: flex; flex-direction: column; min-height: auto; }
  .module, .lantern-a, .lantern-b, .lantern-c, .negative-door, .photo-cups, .note-block, .scratch-block, .final-photo, .final-note, .last-block { min-height: 150px; transform: none; }
  .corner-mark { position: relative; left: auto; top: auto; margin-bottom: 20px; }
  .corridor-strip { grid-template-columns: repeat(5, 58vw); overflow: hidden; transform: none; }
  .screen-slat { min-height: 48vh; }
}