:root {
  --ink: #17211b;
  --paper: #f3f0e7;
  --moss: #31543c;
  --leaf: #6f8b5c;
  --amber: #d7a448;
  --rust: #9c4e38;
  --blue: #416f7b;
  --shadow: rgba(13, 23, 17, 0.22);
  --fog: 62;
  --noise: 37;
  --distance: 48;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    repeating-linear-gradient(90deg, rgba(23, 33, 27, 0.018) 0 1px, transparent 1px 5px),
    linear-gradient(180deg, rgba(243, 240, 231, 0.92), rgba(230, 229, 215, 0.92)),
    radial-gradient(circle at 78% 18%, rgba(215, 164, 72, 0.22), transparent 28rem),
    radial-gradient(circle at 20% 62%, rgba(65, 111, 123, 0.18), transparent 34rem);
  font-family:
    "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  line-height: 1.8;
  overflow-x: hidden;
}

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

button,
input {
  font: inherit;
}

#noise-canvas,
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 30;
}

#noise-canvas {
  mix-blend-mode: multiply;
  opacity: calc(0.08 + (var(--noise) * 0.0018));
}

.grain {
  background-image:
    repeating-radial-gradient(circle at 18% 22%, rgba(23, 33, 27, 0.12) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(105deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 6px);
  opacity: calc(0.12 + (var(--noise) * 0.002));
  mix-blend-mode: overlay;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  color: #f7f4eb;
  background: linear-gradient(180deg, rgba(12, 19, 15, 0.78), rgba(12, 19, 15, 0));
}

.brand,
.nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid rgba(247, 244, 235, 0.48);
  background: rgba(247, 244, 235, 0.12);
  font-family: Georgia, serif;
}

.nav {
  font-size: 0.92rem;
}

.nav a {
  padding: 0.45rem 0.2rem;
  opacity: 0.88;
}

.nav a:hover {
  color: #f1c66b;
  opacity: 1;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: grid;
  align-items: center;
  padding: 7rem clamp(1rem, 5vw, 5rem) 10rem;
  isolation: isolate;
  color: #fbf8ef;
  overflow: hidden;
}

.hero-image,
.hero-shade,
.hero-signal {
  position: absolute;
  inset: 0;
}

.hero-image {
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(calc(1.02 + (var(--distance) * 0.0008)));
  filter: saturate(1.04) contrast(1.02);
}

.hero-shade {
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(11, 19, 14, 0.82), rgba(11, 19, 14, 0.2) 56%, rgba(11, 19, 14, 0.38)),
    linear-gradient(0deg, rgba(11, 19, 14, 0.64), transparent 45%, rgba(11, 19, 14, 0.18));
}

.hero-signal {
  z-index: -2;
  background:
    radial-gradient(circle at 34% 32%, rgba(255, 239, 177, 0.52) 0 1px, transparent 2px),
    radial-gradient(circle at 56% 22%, rgba(255, 255, 255, 0.48) 0 1px, transparent 2px),
    radial-gradient(circle at 82% 44%, rgba(255, 221, 142, 0.44) 0 1px, transparent 2px),
    linear-gradient(115deg, transparent 0 38%, rgba(255, 255, 255, calc(var(--fog) * 0.0025)) 48%, transparent 64%);
  background-size: 100% 100%;
  opacity: 0.9;
  animation: drift 9s ease-in-out infinite alternate;
}

.hero-copy {
  width: min(44rem, 100%);
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.42);
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0.35rem;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(4rem, 14vw, 9.5rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 1rem;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  line-height: 1.35;
}

.tagline {
  margin-bottom: 1.4rem;
  font-size: clamp(1.25rem, 3vw, 2.15rem);
  font-weight: 700;
}

.lead {
  max-width: 40rem;
  color: rgba(251, 248, 239, 0.88);
  font-size: clamp(1rem, 1.7vw, 1.18rem);
}

.hero-links {
  display: grid;
  gap: 0.48rem;
  width: min(33rem, 100%);
  margin-top: 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(251, 248, 239, 0.34);
}

.hero-links p {
  margin: 0;
  color: rgba(251, 248, 239, 0.9);
  font-weight: 700;
  line-height: 1.45;
}

.hero-links span {
  display: inline-block;
  min-width: 6.5rem;
  color: rgba(251, 248, 239, 0.68);
  font-family: Georgia, serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.observatory {
  position: absolute;
  right: clamp(1rem, 4vw, 4rem);
  bottom: 7.2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(5.5rem, 1fr));
  width: min(28rem, calc(100% - 2rem));
  border-top: 1px solid rgba(251, 248, 239, 0.38);
  border-bottom: 1px solid rgba(251, 248, 239, 0.22);
  background: rgba(13, 23, 17, 0.34);
  backdrop-filter: blur(12px);
}

.observatory div {
  padding: 0.9rem;
  border-right: 1px solid rgba(251, 248, 239, 0.16);
}

.observatory div:last-child {
  border-right: 0;
}

.meter-label {
  display: block;
  margin-bottom: 0.2rem;
  color: rgba(251, 248, 239, 0.68);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
}

.observatory strong {
  font-size: 1.5rem;
  line-height: 1;
}

.site-intro {
  display: grid;
  margin: -4.5rem auto 0;
  width: min(70rem, calc(100% - 2rem));
  align-items: center;
  padding: clamp(1.2rem, 3vw, 2rem);
  position: relative;
  z-index: 4;
  border: 1px solid rgba(49, 84, 60, 0.22);
  background: rgba(243, 240, 231, 0.86);
  box-shadow: 0 24px 70px var(--shadow);
  backdrop-filter: blur(18px);
}

.site-intro p {
  width: min(54rem, 100%);
  margin: 0 auto;
  color: rgba(23, 33, 27, 0.82);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.1rem, 2vw, 1.55rem);
  font-weight: 700;
  line-height: 1.75;
  text-align: center;
}

.first-section {
  background:
    linear-gradient(180deg, rgba(239, 235, 224, 0.94), rgba(243, 240, 231, 0.9)),
    repeating-linear-gradient(90deg, rgba(23, 33, 27, 0.03) 0 1px, transparent 1px 12px);
}

.first-grid {
  display: grid;
  grid-template-columns: 1.12fr repeat(2, 0.9fr);
  gap: 1rem;
}

.first-card {
  min-height: 18rem;
  display: grid;
  align-content: space-between;
  padding: clamp(1.2rem, 2.4vw, 1.9rem);
  border: 1px solid rgba(23, 33, 27, 0.13);
  background:
    linear-gradient(140deg, rgba(255, 254, 247, 0.84), rgba(232, 226, 211, 0.9)),
    var(--paper);
  box-shadow: 0 18px 48px rgba(13, 23, 17, 0.08);
}

.first-card.large {
  color: #f7f4eb;
  background:
    linear-gradient(145deg, rgba(13, 23, 17, 0.88), rgba(49, 84, 60, 0.82)),
    url("mori-lab-blueprint.png") center / cover;
  background-blend-mode: multiply;
}

.first-card.quiet {
  background:
    linear-gradient(135deg, rgba(246, 241, 225, 0.8), rgba(221, 226, 207, 0.9)),
    var(--paper);
}

.first-card span {
  color: var(--rust);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.first-card.large span {
  color: var(--amber);
}

.first-card h3 {
  margin-top: 4rem;
  color: var(--moss);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.55rem, 3vw, 2.4rem);
}

.first-card.large h3 {
  color: #f7f4eb;
}

.first-card p {
  margin: 0;
  color: rgba(23, 33, 27, 0.74);
}

.first-card.large p {
  color: rgba(247, 244, 235, 0.82);
}

.text-link {
  width: fit-content;
  margin-top: 1.4rem;
  color: var(--moss);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 84, 60, 0.36);
}

.text-link:hover {
  color: var(--rust);
  border-color: rgba(143, 76, 48, 0.5);
}

.ontology-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(20rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  background:
    linear-gradient(180deg, rgba(243, 240, 231, 0.96), rgba(232, 226, 211, 0.9)),
    radial-gradient(circle at 82% 18%, rgba(215, 164, 72, 0.16), transparent 24rem),
    repeating-linear-gradient(0deg, rgba(119, 99, 68, 0.04) 0 1px, transparent 1px 22px);
}

.ontology-copy {
  width: min(43rem, 100%);
}

.ontology-copy p:not(.eyebrow) {
  color: rgba(23, 33, 27, 0.76);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.ontology-board {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.ontology-board article {
  min-height: 14.5rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border: 1px solid rgba(119, 99, 68, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 254, 247, 0.78), rgba(246, 241, 225, 0.92)),
    var(--paper);
  box-shadow: 0 18px 46px rgba(119, 99, 68, 0.11);
}

.ontology-board span {
  display: block;
  margin-bottom: 2.4rem;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.ontology-board h3 {
  color: var(--moss);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.ontology-board p {
  margin: 0;
  color: rgba(23, 33, 27, 0.72);
}

.threshold-section {
  display: grid;
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  padding: clamp(5rem, 10vw, 8rem) clamp(1rem, 5vw, 5rem);
  background:
    linear-gradient(180deg, rgba(243, 240, 231, 0.94), rgba(232, 226, 211, 0.9)),
    radial-gradient(circle at 18% 20%, rgba(111, 139, 92, 0.2), transparent 26rem);
}

.threshold-visual {
  margin: 0;
}

.threshold-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 48%;
  border: 1px solid rgba(49, 84, 60, 0.2);
  box-shadow: 0 24px 70px rgba(13, 23, 17, 0.18);
}

.threshold-copy {
  width: min(42rem, 100%);
}

.threshold-copy p:not(.eyebrow) {
  color: rgba(23, 33, 27, 0.78);
  font-size: clamp(1rem, 1.6vw, 1.16rem);
}

.threshold-signals {
  display: grid;
  gap: 0.75rem;
  margin: 2rem 0 0;
}

.threshold-signals div {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-top: 1px solid rgba(23, 33, 27, 0.16);
}

.threshold-signals dt {
  color: var(--rust);
  font-weight: 800;
}

.threshold-signals dd {
  margin: 0;
  color: rgba(23, 33, 27, 0.72);
}

.guide-section {
  padding: clamp(4rem, 9vw, 7rem) clamp(1rem, 5vw, 5rem);
  background:
    linear-gradient(180deg, rgba(239, 235, 224, 0.98), rgba(232, 226, 211, 0.98)),
    repeating-linear-gradient(0deg, rgba(23, 33, 27, 0.04) 0 1px, transparent 1px 7px);
}

.guide-shell {
  display: grid;
  grid-template-columns: 0.9fr 1.05fr;
  gap: 0.35rem;
  width: min(72rem, 100%);
  margin: 0 auto;
  border: 1px solid rgba(23, 33, 27, 0.22);
  background: #1b211b;
  box-shadow: 0 28px 80px rgba(13, 23, 17, 0.24);
}

.guide-page,
.distance-page,
.measure-page {
  min-height: 24rem;
  padding: clamp(1.4rem, 3vw, 2.4rem);
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.64), rgba(245, 241, 230, 0.88)),
    var(--paper);
}

.guide-page h2 {
  margin-bottom: 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(23, 33, 27, 0.22);
  font-size: clamp(1.8rem, 3.2vw, 3.2rem);
}

.guide-list {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.guide-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  align-items: start;
}

.guide-list li > span {
  font-family: Georgia, serif;
  font-weight: 700;
}

.guide-list strong,
.guide-list small {
  display: block;
}

.guide-list small {
  margin-top: 0.15rem;
  color: rgba(23, 33, 27, 0.68);
  line-height: 1.5;
}

.photo-stack {
  display: grid;
  grid-template-rows: repeat(3, minmax(8rem, 1fr));
  gap: 0.35rem;
}

.photo-stack div {
  min-height: 8.5rem;
  background-size: cover;
  filter: saturate(0.88) contrast(1.05);
}

.photo-stack div:nth-child(1) {
  background-image: url("mori-lab-day.png");
  background-position: 52% 62%;
}

.photo-stack div:nth-child(2) {
  background-image: url("mori-lab-blueprint.png");
  background-position: 50% 45%;
}

.photo-stack div:nth-child(3) {
  background-image: url("mori-consciousness.png");
  background-position: 50% 52%;
}

.distance-page {
  color: #f6f1e7;
  background:
    linear-gradient(90deg, rgba(12, 14, 12, 0.8), rgba(12, 14, 12, 0.25)),
    url("mori-lab-underground.png") center 45% / cover;
}

.distance-page h2 {
  font-size: clamp(2.4rem, 5.8vw, 5.7rem);
}

.distance-page p {
  max-width: 33rem;
  color: rgba(246, 241, 231, 0.86);
}

.measure-page {
  display: grid;
  align-content: center;
  gap: 1.2rem;
  position: relative;
  overflow: hidden;
}

.measure-page::after {
  content: "1cm";
  position: absolute;
  right: 1.5rem;
  top: 1rem;
  color: rgba(23, 33, 27, 0.08);
  font-family: Georgia, serif;
  font-size: clamp(6rem, 12vw, 10rem);
}

.measure-page p {
  margin: 0;
  font-size: clamp(1.1rem, 2.1vw, 1.7rem);
}

.measure-page strong {
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.18;
}

.ruler {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  width: min(26rem, 100%);
  height: 4.2rem;
  border-bottom: 4px solid rgba(23, 33, 27, 0.72);
  transform: rotate(-6deg);
}

.ruler span {
  border-left: 2px solid rgba(23, 33, 27, 0.72);
}

.section {
  padding: clamp(5rem, 10vw, 9rem) clamp(1rem, 5vw, 5rem);
}

.section-title {
  width: min(52rem, 100%);
  margin-bottom: 2rem;
}

.theme-grid,
.log-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.theme-grid article,
.log-grid article {
  min-height: 15rem;
  padding: 1.25rem;
  border: 1px solid rgba(23, 33, 27, 0.12);
  background: rgba(255, 255, 255, 0.32);
  box-shadow: 0 16px 42px rgba(13, 23, 17, 0.08);
}

.theme-grid article span {
  display: block;
  margin-bottom: 3rem;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 2rem;
}

.lab-notes {
  background:
    linear-gradient(180deg, rgba(232, 226, 211, 0.86), rgba(243, 240, 231, 0.94)),
    repeating-linear-gradient(0deg, rgba(119, 99, 68, 0.04) 0 1px, transparent 1px 26px);
}

.notes-layout {
  display: grid;
  grid-template-columns: 1.08fr repeat(3, 1fr);
  gap: 1rem;
}

.note-card {
  display: grid;
  align-content: space-between;
  min-height: 18rem;
  padding: clamp(1.2rem, 2.2vw, 1.8rem);
  border: 1px solid rgba(119, 99, 68, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 254, 247, 0.82), rgba(246, 241, 225, 0.94)),
    var(--paper);
  box-shadow: 0 18px 44px rgba(119, 99, 68, 0.12);
}

.note-card span {
  color: var(--rust);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.note-card p {
  margin: 3rem 0 0;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.25rem, 2.1vw, 1.8rem);
  font-weight: 700;
  line-height: 1.58;
}

.note-primary {
  color: #f7f4eb;
  background:
    linear-gradient(145deg, rgba(13, 23, 17, 0.9), rgba(40, 68, 74, 0.84)),
    #152019;
}

.note-primary span {
  color: var(--amber);
}

.reality-section {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(18rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  color: #f7f4eb;
  background:
    linear-gradient(125deg, rgba(18, 29, 22, 0.96), rgba(33, 59, 52, 0.92)),
    url("mori-consciousness.png") center / cover;
  background-blend-mode: multiply;
}

.reality-copy p:not(.eyebrow) {
  max-width: 45rem;
  color: rgba(247, 244, 235, 0.82);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.reality-panels {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.reality-panels article {
  min-height: 15rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border: 1px solid rgba(247, 244, 235, 0.16);
  background: rgba(247, 244, 235, 0.1);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 56px rgba(13, 23, 17, 0.22);
}

.reality-panels article.wide {
  grid-column: 1 / -1;
  min-height: 12rem;
  background: rgba(247, 244, 235, 0.14);
}

.reality-panels span {
  display: block;
  margin-bottom: 2.5rem;
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.reality-panels h3 {
  color: #f7f4eb;
}

.reality-panels p {
  margin: 0;
  color: rgba(247, 244, 235, 0.76);
}

.fog-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(18rem, 0.7fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
  color: #f7f4eb;
  background:
    linear-gradient(120deg, rgba(24, 38, 30, 0.96), rgba(40, 68, 74, 0.9)),
    radial-gradient(circle at 80% 20%, rgba(215, 164, 72, 0.25), transparent 28rem);
}

.fog-copy p:not(.eyebrow) {
  max-width: 48rem;
  color: rgba(247, 244, 235, 0.82);
}

.fog-orbit {
  position: relative;
  aspect-ratio: 1;
  min-height: 19rem;
  border: 1px solid rgba(247, 244, 235, 0.22);
  background:
    radial-gradient(circle, rgba(247, 244, 235, 0.2), transparent 3rem),
    repeating-linear-gradient(90deg, rgba(247, 244, 235, 0.05) 0 1px, transparent 1px 18px);
  overflow: hidden;
}

.fog-orbit span {
  position: absolute;
  width: 38%;
  aspect-ratio: 1;
  border: 1px solid rgba(247, 244, 235, 0.2);
  background: rgba(247, 244, 235, 0.08);
  filter: blur(calc(0.5px + var(--fog) * 0.035px));
  animation: float 8s ease-in-out infinite alternate;
}

.fog-orbit span:nth-child(1) {
  top: 12%;
  left: 18%;
}

.fog-orbit span:nth-child(2) {
  top: 42%;
  left: 48%;
  animation-delay: -2s;
}

.fog-orbit span:nth-child(3) {
  top: 54%;
  left: 12%;
  animation-delay: -4s;
}

.fog-orbit span:nth-child(4) {
  top: 18%;
  left: 62%;
  animation-delay: -6s;
}

.atmosphere-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(20rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  background:
    linear-gradient(180deg, rgba(231, 229, 216, 0.92), rgba(243, 240, 231, 0.94)),
    radial-gradient(circle at 22% 30%, rgba(65, 111, 123, 0.18), transparent 26rem),
    repeating-linear-gradient(90deg, rgba(23, 33, 27, 0.025) 0 1px, transparent 1px 11px);
}

.atmosphere-copy p:not(.eyebrow) {
  max-width: 43rem;
  color: rgba(23, 33, 27, 0.76);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.atmosphere-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.atmosphere-grid article {
  min-height: 14rem;
  padding: clamp(1.1rem, 2.2vw, 1.6rem);
  border: 1px solid rgba(23, 33, 27, 0.12);
  background:
    linear-gradient(135deg, rgba(255, 254, 247, 0.62), rgba(239, 234, 217, 0.78)),
    var(--paper);
  box-shadow: 0 18px 48px rgba(13, 23, 17, 0.08);
}

.atmosphere-grid span {
  display: block;
  margin-bottom: 2.2rem;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}

.atmosphere-grid h3 {
  color: var(--moss);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.35rem, 2.4vw, 2rem);
}

.atmosphere-grid p {
  margin: 0;
  color: rgba(23, 33, 27, 0.72);
}

.branch-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(20rem, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: stretch;
  padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 5rem);
  color: #f7f4eb;
  background:
    linear-gradient(105deg, rgba(19, 29, 23, 0.9), rgba(37, 62, 46, 0.78)),
    url("mori-consciousness.png") center / cover;
  background-blend-mode: multiply;
}

.branch-copy {
  align-self: center;
  max-width: 42rem;
}

.branch-copy .eyebrow {
  color: var(--amber);
}

.branch-copy h2 {
  color: #f7f4eb;
}

.branch-copy p:not(.eyebrow) {
  color: rgba(247, 244, 235, 0.78);
  font-size: clamp(1rem, 1.5vw, 1.16rem);
}

.branch-banner {
  position: relative;
  display: grid;
  min-height: 18rem;
  align-content: end;
  padding: clamp(1.3rem, 3vw, 2rem);
  overflow: hidden;
  color: #f7f4eb;
  text-decoration: none;
  border: 1px solid rgba(247, 244, 235, 0.22);
  background:
    linear-gradient(180deg, transparent 0 35%, rgba(13, 23, 17, 0.82) 100%),
    url("mori-lab-day.png") center / cover;
  box-shadow: 0 24px 70px rgba(2, 6, 4, 0.32);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.branch-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 78% 18%, rgba(255, 236, 178, 0.28), transparent 16rem),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08), transparent 55%);
  opacity: 0.8;
  pointer-events: none;
}

.branch-banner span,
.branch-banner strong,
.branch-banner em {
  position: relative;
}

.branch-banner span {
  color: var(--amber);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.branch-banner strong {
  display: block;
  margin-top: 0.8rem;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.2;
}

.branch-banner em {
  display: block;
  margin-top: 1rem;
  color: rgba(247, 244, 235, 0.78);
  font-style: normal;
}

.branch-banner:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 80px rgba(2, 6, 4, 0.38);
}

.logs {
  background: linear-gradient(180deg, rgba(243, 240, 231, 0.92), rgba(225, 228, 213, 0.96));
}

.observation-trace {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1rem;
}

.observation-trace article {
  min-height: 16rem;
  padding: clamp(1.1rem, 2vw, 1.5rem);
  border: 1px solid rgba(23, 33, 27, 0.13);
  background:
    linear-gradient(135deg, rgba(255, 252, 242, 0.68), rgba(232, 226, 211, 0.76)),
    var(--paper);
  box-shadow: 0 18px 48px rgba(13, 23, 17, 0.08);
}

.observation-trace span {
  display: block;
  margin-bottom: 2.4rem;
  color: var(--rust);
  font-family: Georgia, serif;
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1;
}

.observation-trace h3 {
  color: var(--moss);
}

.observation-trace p {
  margin: 0;
  color: rgba(23, 33, 27, 0.72);
}

.log-console {
  margin-bottom: 1rem;
  border: 1px solid rgba(23, 33, 27, 0.18);
  background: #152019;
  color: #eef3dd;
  box-shadow: 0 24px 60px rgba(13, 23, 17, 0.22);
}

.console-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid rgba(238, 243, 221, 0.14);
  color: rgba(238, 243, 221, 0.68);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.console-top button {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid rgba(238, 243, 221, 0.24);
  color: #eef3dd;
  background: rgba(238, 243, 221, 0.08);
  cursor: pointer;
}

#log-line {
  min-height: 8rem;
  margin: 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: clamp(1.2rem, 3vw, 2.5rem);
  line-height: 1.45;
}

.archive-log {
  display: grid;
  grid-template-columns: minmax(14rem, 0.58fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin-top: 1rem;
  padding: clamp(1.3rem, 3vw, 2.4rem);
  border: 1px solid rgba(23, 33, 27, 0.16);
  background:
    linear-gradient(135deg, rgba(255, 252, 242, 0.76), rgba(226, 224, 208, 0.86)),
    repeating-linear-gradient(90deg, rgba(23, 33, 27, 0.035) 0 1px, transparent 1px 10px);
  box-shadow: 0 24px 64px rgba(13, 23, 17, 0.1);
}

.archive-heading h3 {
  margin: 0;
  color: var(--moss);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.55rem, 3vw, 2.7rem);
  line-height: 1.25;
}

.archive-body p {
  color: rgba(23, 33, 27, 0.78);
}

.archive-body ul {
  display: grid;
  gap: 0.55rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.archive-body li {
  padding: 0.72rem 0 0.72rem 1rem;
  border-left: 3px solid rgba(49, 84, 60, 0.42);
  color: rgba(23, 33, 27, 0.74);
  background: rgba(255, 255, 255, 0.24);
}

.lexicon-log {
  background:
    linear-gradient(135deg, rgba(255, 254, 247, 0.78), rgba(229, 234, 218, 0.86)),
    var(--paper);
}

.word-note {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin: 1.2rem 0 0;
}

.word-note div {
  padding: 1rem;
  border: 1px solid rgba(49, 84, 60, 0.16);
  background: rgba(255, 254, 247, 0.58);
}

.word-note dt {
  margin-bottom: 0.45rem;
  color: var(--moss);
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: 1.25rem;
  font-weight: 700;
}

.word-note dd {
  margin: 0;
  color: rgba(23, 33, 27, 0.72);
  line-height: 1.75;
}

.server {
  display: grid;
  grid-template-columns: minmax(16rem, 0.62fr) minmax(0, 0.76fr) minmax(18rem, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}

.server-map {
  display: grid;
  gap: 0.75rem;
}

.server-map div {
  padding: 1.1rem;
  border-left: 4px solid var(--moss);
  background: rgba(255, 255, 255, 0.34);
}

.server-map span {
  display: block;
  color: var(--rust);
  font-size: 0.8rem;
  font-weight: 700;
}

.server-map strong {
  display: block;
  line-height: 1.55;
}

.server-copy p:not(.eyebrow) {
  max-width: 42rem;
}

.server-visual {
  margin: 0;
}

.server-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 48%;
  border: 1px solid rgba(23, 33, 27, 0.18);
  box-shadow: 0 22px 60px rgba(13, 23, 17, 0.18);
}

.server-visual figcaption {
  margin-top: 0.75rem;
  color: rgba(23, 33, 27, 0.66);
  font-size: 0.86rem;
}

.footer {
  padding: 2rem 1rem;
  color: #f7f4eb;
  background: #152019;
  text-align: center;
}

.footer p {
  margin: 0;
}

.noise-page {
  color: #f7f4eb;
  background:
    radial-gradient(circle at 50% 10%, rgba(65, 111, 123, 0.16), transparent 26rem),
    linear-gradient(180deg, #020403, #070907 52%, #020403);
}

.noise-page .grain {
  opacity: 0.32;
  mix-blend-mode: screen;
}

.noise-header {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.88), rgba(0, 0, 0, 0));
}

.noise-hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  align-content: center;
  gap: clamp(1rem, 3vw, 2rem);
  padding: 7rem clamp(1rem, 5vw, 5rem) 5rem;
  text-align: center;
}

.noise-kicker {
  color: rgba(247, 244, 235, 0.56);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
}

.noise-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 5.4rem);
}

.noise-main {
  width: min(38rem, 82vw);
  margin: 0;
}

.noise-main img,
.reveal-section img {
  display: block;
  width: 100%;
  height: auto;
}

.noise-main img {
  filter: contrast(1.12);
}

.noise-statement {
  width: min(48rem, 100%);
  margin: 0;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.8rem, 5vw, 4rem);
  font-weight: 700;
  line-height: 1.35;
}

.reveal-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(18rem, 0.9fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  min-height: 100svh;
  padding: clamp(5rem, 10vw, 9rem) clamp(1rem, 7vw, 7rem);
  border-top: 1px solid rgba(247, 244, 235, 0.08);
}

.reveal-copy {
  position: sticky;
  top: 8rem;
}

.reveal-copy h2,
.noise-conclusion h2 {
  color: #f7f4eb;
}

.reveal-copy p:not(.eyebrow),
.noise-conclusion p:not(.eyebrow) {
  color: rgba(247, 244, 235, 0.72);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.reveal-section figure {
  margin: 0;
}

.reveal-section figcaption {
  margin-top: 0.9rem;
  color: rgba(247, 244, 235, 0.54);
  font-size: 0.9rem;
  text-align: center;
}

.reveal-one img {
  background: #fff;
  box-shadow: 0 0 0 1px rgba(247, 244, 235, 0.12), 0 30px 90px rgba(0, 0, 0, 0.44);
}

.reveal-two {
  background:
    radial-gradient(circle at 70% 34%, rgba(247, 244, 235, 0.12), transparent 28rem),
    rgba(255, 255, 255, 0.02);
}

.reveal-two img {
  filter: contrast(1.08) brightness(0.94);
}

.reveal-three {
  background:
    radial-gradient(circle at 45% 45%, rgba(247, 244, 235, 0.1), transparent 22rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(0, 0, 0, 0.5));
}

.reveal-three img {
  filter: contrast(1.18) brightness(0.88);
}

.noise-conclusion {
  min-height: 92svh;
  display: grid;
  align-content: center;
  justify-items: start;
  padding: clamp(5rem, 12vw, 10rem) clamp(1rem, 10vw, 12rem);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.28)),
    url("noise-qr-mist.png") center / min(64rem, 130vw) no-repeat;
}

.noise-conclusion h2 {
  max-width: 58rem;
}

.noise-conclusion p {
  max-width: 42rem;
}

.return-link {
  display: inline-flex;
  margin-top: 1.5rem;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(247, 244, 235, 0.32);
  background: rgba(247, 244, 235, 0.08);
  color: #f7f4eb;
}

.monologue-page {
  color: #293126;
  background:
    radial-gradient(circle at 10% 0%, rgba(255, 255, 255, 0.76), transparent 32rem),
    linear-gradient(180deg, rgba(249, 246, 236, 0.98), rgba(234, 232, 216, 0.98)),
    repeating-linear-gradient(90deg, rgba(23, 33, 27, 0.018) 0 1px, transparent 1px 7px);
}

.monologue-page .site-header {
  color: #293126;
  background: linear-gradient(180deg, rgba(249, 246, 236, 0.92), rgba(249, 246, 236, 0));
}

.monologue-page .brand-mark {
  border-color: rgba(41, 49, 38, 0.24);
  background: rgba(255, 255, 255, 0.32);
}

.mono-hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: end;
  padding: 7rem clamp(1rem, 6vw, 6rem) clamp(4rem, 8vw, 7rem);
  color: #293126;
  overflow: hidden;
  isolation: isolate;
}

.mono-hero img,
.mono-hero-shade {
  position: absolute;
  inset: 0;
}

.mono-hero img {
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  filter: saturate(0.96) contrast(1.02) brightness(1.02);
}

.mono-hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(249, 246, 236, 0.52), rgba(249, 246, 236, 0.06) 58%, rgba(249, 246, 236, 0.24)),
    linear-gradient(0deg, rgba(249, 246, 236, 0.68), transparent 48%, rgba(249, 246, 236, 0.16));
}

.mono-hero-copy {
  width: min(46rem, 100%);
  padding: clamp(1.1rem, 3vw, 2rem);
  background: rgba(255, 252, 242, 0.72);
  border: 1px solid rgba(41, 49, 38, 0.12);
  box-shadow: 0 22px 70px rgba(119, 99, 68, 0.12);
  backdrop-filter: blur(8px);
}

.mono-hero-copy h1 {
  margin-bottom: 1rem;
  font-size: clamp(3rem, 9vw, 7rem);
}

.mono-hero-copy p:not(.eyebrow) {
  max-width: 42rem;
  color: rgba(41, 49, 38, 0.78);
  font-size: clamp(1rem, 1.8vw, 1.25rem);
}

.mono-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1rem, 2.4vw, 1.7rem);
  padding: clamp(4rem, 9vw, 7rem) clamp(1rem, 5vw, 5rem);
  background:
    linear-gradient(180deg, rgba(255, 252, 242, 0.72), rgba(239, 234, 217, 0.8)),
    repeating-linear-gradient(0deg, rgba(119, 99, 68, 0.045) 0 1px, transparent 1px 28px);
}

.mono-note {
  position: relative;
  min-height: 18rem;
  display: grid;
  align-content: space-between;
  padding: clamp(1.2rem, 2.2vw, 1.8rem);
  border: 1px solid rgba(119, 99, 68, 0.18);
  background:
    linear-gradient(135deg, rgba(255, 254, 247, 0.9), rgba(246, 241, 225, 0.96)),
    var(--paper);
  box-shadow: 0 18px 44px rgba(119, 99, 68, 0.14);
}

.mono-note::before {
  content: "";
  position: absolute;
  top: 0.7rem;
  left: 50%;
  width: 0.78rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #d4bd82;
  box-shadow: 0 2px 6px rgba(86, 64, 30, 0.24);
  transform: translateX(-50%);
}

.mono-note.pin-left {
  transform: rotate(-0.7deg);
}

.mono-note.pin-right {
  transform: rotate(0.8deg);
}

.mono-note.large {
  grid-column: span 2;
}

.mono-note span {
  display: block;
  margin-top: 1.1rem;
  color: var(--rust);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.mono-note time {
  color: rgba(41, 49, 38, 0.5);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.mono-note p {
  margin: 1.5rem 0 0;
  font-family: Georgia, "Yu Mincho", "Hiragino Mincho ProN", serif;
  font-size: clamp(1.25rem, 2.4vw, 2rem);
  font-weight: 700;
  line-height: 1.55;
}

.mono-note.dark {
  color: #f7f4eb;
  background:
    linear-gradient(145deg, rgba(13, 23, 17, 0.9), rgba(40, 68, 74, 0.82)),
    #152019;
}

.mono-note.dark time {
  color: rgba(247, 244, 235, 0.58);
}

.mono-note.dark span {
  color: var(--amber);
}

.mono-note.quiet {
  background:
    linear-gradient(135deg, rgba(244, 237, 218, 0.72), rgba(221, 226, 207, 0.9)),
    var(--paper);
}

.mono-note.empty {
  border-style: dashed;
  color: rgba(41, 49, 38, 0.6);
  background: rgba(255, 252, 242, 0.5);
}

.mono-note.empty p {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
}

.mono-entry {
  padding: clamp(5rem, 12vw, 10rem) clamp(1rem, 10vw, 12rem);
  background:
    linear-gradient(90deg, rgba(21, 32, 25, 0.9), rgba(21, 32, 25, 0.45)),
    url("mori-lab-underground.png") center 42% / cover;
  color: #f7f4eb;
}

.mono-entry h2 {
  color: #f7f4eb;
}

.mono-entry p:not(.eyebrow) {
  max-width: 44rem;
  color: rgba(247, 244, 235, 0.78);
}

.mono-return {
  background: rgba(247, 244, 235, 0.12);
}

@keyframes drift {
  from {
    transform: translate3d(-1.2rem, -0.4rem, 0);
  }
  to {
    transform: translate3d(1.4rem, 0.7rem, 0);
  }
}

@keyframes float {
  from {
    transform: translate3d(-6%, -4%, 0) scale(0.95);
  }
  to {
    transform: translate3d(8%, 7%, 0) scale(1.08);
  }
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
  }

  .nav {
    gap: 0.45rem;
    font-size: 0.82rem;
  }

  .hero {
    min-height: 92svh;
    padding-top: 6.5rem;
  }

  .observatory {
    left: 1rem;
    right: 1rem;
  }

  .guide-shell,
  .theme-grid,
  .log-grid,
  .notes-layout,
  .observation-trace,
  .first-grid,
  .ontology-section,
  .ontology-board,
  .reality-section,
  .reality-panels,
  .archive-log,
  .atmosphere-section,
  .atmosphere-grid,
  .branch-section,
  .fog-section,
  .server,
  .threshold-section,
  .reveal-section,
  .mono-board {
    grid-template-columns: 1fr;
  }

  .theme-grid article,
  .log-grid article {
    min-height: 11rem;
  }

  .photo-stack {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: none;
  }

  .photo-stack div {
    min-height: 10rem;
  }

  .reveal-copy {
    position: static;
  }

  .mono-note.large {
    grid-column: span 1;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: absolute;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

  .observatory {
    grid-template-columns: repeat(3, 1fr);
    bottom: 5.4rem;
  }

  .observatory div {
    padding: 0.7rem;
  }

  .site-intro {
    margin-top: -3rem;
  }

  .hero {
    padding-bottom: 9rem;
  }

  .hero-links span {
    display: block;
    min-width: 0;
    margin-bottom: 0.12rem;
  }

  .guide-shell {
    gap: 0.22rem;
  }

  .guide-page,
  .distance-page,
  .measure-page {
    min-height: auto;
  }

  .photo-stack {
    grid-template-columns: 1fr;
  }

  .photo-stack div {
    min-height: 8rem;
  }

  .noise-hero {
    padding-top: 6rem;
  }

  .noise-statement {
    font-size: clamp(1.45rem, 8vw, 2.4rem);
  }

  .reveal-section {
    min-height: auto;
  }

  .mono-hero {
    min-height: 78svh;
    padding-top: 8rem;
  }

  .mono-note {
    min-height: 14rem;
  }
}