:root {
  --bg: #f2f1ee;
  --ink: #5f5f5b;
  --soft-ink: rgba(95, 95, 91, 0.72);
  --line: rgba(46, 45, 42, 0.1);
  --accent: #7c6f58;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  position: relative;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Courier New", "Noto Sans SC", "PingFang SC", monospace;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.photo-mode .home::before {
  opacity: 0;
}

body > * {
  position: relative;
  z-index: 1;
}

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

.site-header {
  position: relative;
  z-index: 5;
}

.nav {
  max-width: 1180px;
  margin: 12px auto 0;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  gap: 28px;
  font-size: 14px;
}

.nav a {
  opacity: 0.72;
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav a:hover,
.nav a:focus-visible,
.nav a[aria-current="page"] {
  opacity: 1;
}

.nav a:active {
  transform: perspective(420px) rotateX(52deg) skewX(-12deg);
}

.home {
  position: relative;
  max-width: 1180px;
  min-height: calc(100vh - 96px);
  margin: -54px auto 0;
  padding: 0 24px 58px;
  display: grid;
  grid-template-columns: minmax(280px, 1.05fr) minmax(320px, 1fr);
  align-items: start;
  gap: 16px;
}

.home::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 58px;
  left: 50%;
  width: 100vw;
  height: 176px;
  transform: translateX(-50%);
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg width='1600' height='160' viewBox='0 0 1600 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='0,118 130,92 245,104 330,18 420,106 590,74 665,30 738,88 900,114 1010,54 1086,96 1220,76 1302,22 1392,102 1600,78' fill='none' stroke='%234a4944' stroke-opacity='0.13' stroke-width='1.05' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.intro,
.tree-stage {
  position: relative;
  z-index: 1;
}

.memory-photo-scroll {
  position: fixed;
  z-index: 0;
  inset: 0;
  padding: 112px 0 120px;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
  scrollbar-width: none;
  transition: opacity 1600ms ease;
}

.memory-photo-scroll::-webkit-scrollbar {
  display: none;
}

body.photo-mode .memory-photo-scroll {
  opacity: 1;
  pointer-events: auto;
}

body.photo-mode .home {
  pointer-events: none;
}

.memory-photo-strip {
  width: min(78vw, 980px);
  margin: 0 auto;
}

.memory-photo-strip img {
  display: block;
  width: 100%;
  height: auto;
}

.memory-photo-strip img + img {
  margin-top: 0;
}

.intro {
  min-height: 720px;
  padding-top: 260px;
  display: flex;
  flex-direction: column;
}

.intro-copy h1,
.intro-copy p,
.intro-cta {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0;
}

.intro-copy h1 {
  margin-bottom: 8px;
}

.intro-cta {
  align-self: flex-end;
  margin-top: 190px;
  margin-right: 40px;
}

.memory-response {
  display: none;
  align-self: flex-start;
  margin: -186px 0 0 160px;
  width: max-content;
  max-width: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  font-weight: 400;
  letter-spacing: 0;
  white-space: nowrap;
}

body.photo-mode .tree-stage,
body.photo-mode .intro-cta,
body.photo-mode .footer {
  opacity: 0;
  pointer-events: none;
}

body.photo-mode .memory-response {
  display: block;
}

body.photo-mode .tree-stage {
  transition: opacity 900ms ease;
}

body.photo-mode .intro-cta,
body.photo-mode .footer {
  transition: opacity 600ms ease;
}

.char {
  display: inline-block;
  opacity: 0;
  white-space: pre;
  transform: translateY(34px) rotate(4deg);
  animation: float-in 980ms cubic-bezier(0.22, 0.72, 0.22, 1) forwards;
}

.intro-cta .char {
  animation-name: float-in, fade-drift;
  animation-duration: 980ms, 1900ms;
  animation-fill-mode: forwards, forwards;
}

.memory-response .char {
  opacity: 0;
  animation: none;
}

body.photo-mode .memory-response .char {
  animation-name: float-in, fade-drift;
  animation-duration: 2000ms, 2000ms;
  animation-timing-function: cubic-bezier(0.22, 0.72, 0.22, 1), cubic-bezier(0.22, 0.72, 0.22, 1);
  animation-fill-mode: forwards, forwards;
}

@keyframes float-in {
  to {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}

@keyframes fade-drift {
  to {
    opacity: 0;
    filter: blur(3px);
    transform: translate(28px, -30px) rotate(12deg);
  }
}

.tree-stage {
  display: flex;
  justify-content: center;
  padding-top: 88px;
}

.tree-wrap {
  position: relative;
  width: min(100%, 520px);
  aspect-ratio: 4 / 5;
}

#treeCanvas,
.tree-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#treeCanvas {
  z-index: 2;
  cursor: crosshair;
  left: 50%;
  right: auto;
  width: 100vw;
  transform: translateX(-50%);
}

.tree-fallback {
  z-index: 1;
  opacity: 0;
  object-fit: contain;
  pointer-events: none;
}

.branch-link {
  position: absolute;
  z-index: 3;
  color: var(--soft-ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 11px;
  letter-spacing: 0.02em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform-origin: top center;
  transition: color 160ms ease;
}

.branch-link:hover,
.branch-link:focus-visible {
  color: var(--ink);
}

.branch-experience {
  top: 27%;
  left: 25%;
}

.branch-works {
  top: 50%;
  left: 18%;
}

.branch-about {
  top: 55%;
  left: 80%;
}

.branch-compositions {
  top: 30%;
  left: 88%;
}

.footer {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px 28px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  font-size: 13px;
}

.footer strong,
.footer span,
.footer a {
  display: block;
}

.footer a {
  color: inherit;
  opacity: 0.78;
}

.footer a:hover,
.footer a:focus-visible {
  opacity: 1;
}

.footer strong {
  margin-bottom: 5px;
  font-weight: 500;
}

.page {
  max-width: 880px;
  min-height: calc(100vh - 108px);
  margin: 92px auto 0;
  padding: 0 24px 72px;
}

.page h1 {
  margin: 0 0 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 400;
}

.page-grid {
  display: grid;
  gap: 14px;
}

.page-item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-item h2 {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 500;
}

.page-item p {
  max-width: 660px;
  margin: 0;
  color: var(--soft-ink);
}

.vertical-page-label,
.works-label {
  position: fixed;
  left: 34px;
  top: 50%;
  z-index: 2;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
  color: rgba(95, 95, 91, 0.48);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  letter-spacing: 0.32em;
  white-space: nowrap;
}

.about-page,
.works-page,
.compositions-page {
  position: relative;
  min-height: calc(100vh - 80px);
  overflow: hidden;
}

.about-bg-name {
  position: fixed;
  inset: 0;
  z-index: 0;
  display: grid;
  place-items: center;
  color: rgba(74, 73, 68, 0.035);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(96px, 18vw, 270px);
  line-height: 0.9;
  letter-spacing: 0.02em;
  pointer-events: none;
  white-space: nowrap;
}

.about-layout {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 82px auto 0;
  padding: 0 24px 88px;
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(360px, 1fr);
  gap: 74px;
  align-items: start;
}

.about-photo {
  margin: 0;
}

.about-photo img {
  width: 100%;
  height: min(68vh, 620px);
  object-fit: cover;
  object-position: 52% center;
  filter: grayscale(1) contrast(1.08);
}

.about-photo figcaption {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-top: 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 21px;
}

.about-photo figcaption span + span {
  color: rgba(95, 95, 91, 0.58);
  font-size: 17px;
}

.about-photo figcaption i {
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-radius: 50%;
  background: rgba(184, 78, 63, 0.78);
}

.about-copy {
  padding-top: 24px;
}

.about-copy p {
  margin: 0 0 22px;
  color: rgba(95, 95, 91, 0.78);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  line-height: 1.9;
}

.about-copy .about-lede {
  color: #4f4f4b;
  font-size: 25px;
  line-height: 1.65;
}

.about-role {
  color: rgba(184, 78, 63, 0.76) !important;
  font-family: "Courier New", monospace !important;
  font-size: 12px !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.about-timeline,
.about-contact {
  margin-top: 48px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.about-timeline h2,
.about-contact h2 {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.about-timeline-item {
  display: grid;
  grid-template-columns: minmax(180px, 0.5fr) 1fr;
  gap: 20px;
  padding: 11px 0;
  border-top: 1px solid rgba(46, 45, 42, 0.06);
}

.about-timeline-item strong,
.about-timeline-item span,
.about-contact a {
  color: rgba(95, 95, 91, 0.78);
  font-weight: 400;
}

.fold-stage {
  position: relative;
  max-width: 1120px;
  height: 760px;
  margin: 96px auto 0;
  perspective: 1800px;
}

.fold-page {
  position: absolute;
  left: 50%;
  top: 20px;
  width: min(70vw, 720px);
  height: 640px;
  padding: 0;
  background: rgba(246, 245, 241, 0.88);
  border: 1px solid rgba(46, 45, 42, 0.12);
  box-shadow: 0 22px 56px rgba(46, 45, 42, 0.14);
  cursor: pointer;
  transform-style: preserve-3d;
  transition: transform 560ms cubic-bezier(0.22, 0.72, 0.22, 1), opacity 320ms ease, filter 320ms ease;
  transform: translateX(calc(-50% + var(--offset) * 46px)) translateZ(calc(var(--offset) * -34px)) rotateY(calc(var(--offset) * -8deg));
}

.fold-page.is-before {
  opacity: 0.18;
  pointer-events: auto;
  transform: translateX(calc(-66% + var(--offset) * 22px)) translateZ(-120px) rotateY(58deg);
}

.fold-page.is-after {
  opacity: 0.45;
  filter: grayscale(1) blur(0.2px);
}

.fold-page.is-current {
  z-index: 10;
  opacity: 1;
  filter: none;
}

.fold-link {
  display: grid;
  grid-template-rows: minmax(0, 1fr) 160px;
  width: 100%;
  height: 100%;
}

.fold-visual {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: rgba(30, 30, 28, 0.08);
}

.fold-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transition: transform 600ms ease;
}

.fold-page.is-current:hover .fold-visual img {
  transform: scale(1.025);
}

.fold-info {
  position: relative;
  padding: 34px 54px;
  background: rgba(246, 245, 241, 0.95);
  border-top: 1px solid rgba(46, 45, 42, 0.08);
}

.fold-info strong,
.fold-info span {
  display: block;
}

.fold-info strong {
  color: #4f4f4b;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 30px;
  font-weight: 400;
}

.fold-info span {
  color: rgba(95, 95, 91, 0.58);
  margin-top: 10px;
  font-size: 14px;
  letter-spacing: 0.06em;
}

.fold-info::after {
  content: "";
  position: absolute;
  right: 58px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(184, 78, 63, 0.78);
}

.fold-controls {
  position: relative;
  z-index: 50;
  max-width: 1120px;
  margin: -94px auto 70px;
  padding: 0 24px;
  display: flex;
  justify-content: center;
  gap: 16px;
  pointer-events: auto;
}

.fold-controls button {
  position: relative;
  z-index: 51;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: transparent;
  color: rgba(95, 95, 91, 0.72);
  font: inherit;
  cursor: pointer;
  padding: 4px 8px;
}

.work-detail-page {
  max-width: 1040px;
  margin: 70px auto 0;
  padding: 0 24px 90px;
}

.detail-back {
  display: inline-block;
  margin-bottom: 54px;
  color: rgba(95, 95, 91, 0.58);
}

.detail-hero {
  margin: 0 0 54px;
  height: min(58vh, 540px);
  overflow: hidden;
}

.detail-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.06);
}

.detail-header {
  position: relative;
  display: grid;
  gap: 34px;
  margin-bottom: 54px;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--line);
}

.detail-header h1 {
  margin: 0;
  color: #4f4f4b;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(44px, 6vw, 70px);
  font-weight: 400;
  line-height: 1.05;
}

.detail-header i {
  position: absolute;
  right: 0;
  top: 48px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(184, 78, 63, 0.78);
}

.detail-header dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin: 0;
}

.detail-header dt,
.detail-presentations h2,
.detail-technical h2 {
  margin: 0 0 8px;
  color: rgba(95, 95, 91, 0.48);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.detail-header dd {
  margin: 0;
  color: #4f4f4b;
}

.detail-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.36fr);
  gap: 80px;
}

.detail-text p {
  margin: 0 0 22px;
  color: #4f4f4b;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 2;
}

.detail-presentations {
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.detail-presentations p,
.detail-technical p {
  margin: 0 0 12px;
  color: rgba(95, 95, 91, 0.72);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.7;
}

.detail-technical {
  padding-top: 4px;
}

.detail-technical h2 + p {
  margin-top: 0;
}

.detail-technical p + h2 {
  margin-top: 34px;
}

.composition-archive {
  max-width: 1060px;
  margin: 82px auto 0;
  padding: 0 24px 88px;
}

.archive-head {
  margin-bottom: 46px;
}

.archive-head h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 400;
  line-height: 1;
}

.archive-head p {
  max-width: 470px;
  margin: 0;
  color: rgba(95, 95, 91, 0.68);
}

.composition-group {
  border-top: 1px solid var(--line);
}

.composition-group h2 {
  position: relative;
  margin: 0;
  padding: 22px 0;
  color: rgba(95, 95, 91, 0.64);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.composition-group h2::after {
  content: attr(data-count);
  position: absolute;
  right: 0;
  color: rgba(184, 78, 63, 0.62);
}

.composition-row {
  display: grid;
  grid-template-columns: 92px minmax(210px, 0.5fr) 1fr;
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid rgba(46, 45, 42, 0.06);
  transition: transform 180ms ease, color 180ms ease;
}

.composition-row:hover {
  transform: translateX(10px);
}

.composition-year,
.composition-facts p {
  margin: 0;
  color: rgba(95, 95, 91, 0.62);
}

.composition-title strong {
  display: block;
  color: #4f4f4b;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  font-weight: 400;
}

.composition-title em {
  display: block;
  margin-top: 7px;
  color: rgba(184, 78, 63, 0.78);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}

.composition-facts {
  display: grid;
  gap: 9px;
}

.composition-facts p {
  display: grid;
  grid-template-columns: minmax(108px, 0.32fr) 1fr;
  gap: 16px;
  font-size: 13px;
  line-height: 1.55;
}

.composition-facts span {
  color: rgba(95, 95, 91, 0.42);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.composition-stats {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-top: 52px;
  color: rgba(95, 95, 91, 0.62);
}

.composition-stats strong {
  color: rgba(184, 78, 63, 0.72);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 54px;
  font-weight: 400;
}

.research-page {
  max-width: 1240px;
  min-height: calc(100vh - 86px);
  margin: 80px auto 0;
  padding: 0 24px 76px;
  position: relative;
}

.research-hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.92fr) minmax(420px, 1fr);
  gap: 72px;
  align-items: center;
  min-height: 680px;
}

.research-mark {
  width: 10px;
  height: 10px;
  margin-bottom: 54px;
  border-radius: 50%;
  background: #b84e3f;
}

.research-copy h1 {
  max-width: 760px;
  margin: 0 0 46px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 4.1vw, 56px);
  line-height: 1.42;
  font-weight: 400;
  color: #4f4f4b;
  letter-spacing: 0;
}

.research-copy p {
  max-width: 690px;
  margin: 0 0 28px;
  color: rgba(95, 95, 91, 0.72);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 2;
}

.research-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 64px;
}

.research-actions a {
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
  color: #4f4f4b;
  font-size: 18px;
  font-family: Georgia, "Times New Roman", serif;
}

.research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 92px;
  color: rgba(95, 95, 91, 0.56);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.score-system {
  position: relative;
  min-height: 500px;
}

.score-title {
  position: absolute;
  right: calc(3% - 120px);
  top: 34%;
  z-index: 2;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: rgba(95, 95, 91, 0.46);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.32em;
}

.score-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.score-lines path {
  fill: none;
  stroke: rgba(77, 77, 73, 0.14);
  stroke-width: 1.25;
}

.score-node {
  position: absolute;
  z-index: 2;
  transform: translate(-50%, -50%);
  color: rgba(95, 95, 91, 0.68);
  font-size: 13px;
  text-align: center;
  cursor: default;
  transition: color 220ms ease, transform 220ms ease;
  transform-origin: center;
}

.score-node::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: #151515;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.score-node.root::before {
  background: #c55445;
}

.score-node.root {
  color: rgba(95, 95, 91, 0.72);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  line-height: 1.25;
}

.score-node small {
  display: block;
  margin-top: 4px;
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
  font-size: 12px;
}

.score-insight {
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  width: 190px;
  color: rgba(95, 95, 91, 0.62);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 12px;
  line-height: 1.45;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 260ms ease, transform 260ms ease;
}

.score-node:hover {
  color: #4f4f4b;
  transform: translate(-50%, -50%) scale(1.12);
}

.score-node:hover::before {
  transform: scale(1.42);
  box-shadow: 0 0 0 10px rgba(184, 78, 63, 0.08);
}

.score-node.root:hover::before {
  background: #b84e3f;
}

.score-node:hover .score-insight {
  opacity: 1;
  transform: translate(-50%, 0);
}

.node-memory { left: 18%; top: 28%; }
.node-spectral { left: 37%; top: 58%; }
.node-trace { left: 48%; top: 22%; }
.node-sound { left: 56.25%; top: 82%; }
.node-embodied { left: 82%; top: 58%; }
.node-gesture { left: 71%; top: 22%; }
.node-system { left: 96%; top: 28%; }

.research-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-top: 20px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.research-notes h2 {
  margin: 0 0 8px;
  color: #4f4f4b;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  font-weight: 400;
}

.research-notes p {
  margin: 0;
  color: rgba(95, 95, 91, 0.68);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.8;
}

.admin-page {
  max-width: 1180px;
  margin: 72px auto 0;
  padding: 0 24px 80px;
}

.admin-head h1 {
  margin: 0 0 10px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 34px;
  font-weight: 400;
}

.admin-head p {
  max-width: 720px;
  color: var(--soft-ink);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 8px;
}

.admin-actions button,
.admin-panel button {
  border: 1px solid rgba(46, 45, 42, 0.24);
  background: transparent;
  color: var(--ink);
  padding: 9px 12px;
  font: inherit;
  cursor: pointer;
}

.admin-actions button:hover,
.admin-panel button:hover {
  border-color: rgba(46, 45, 42, 0.52);
}

.admin-status {
  min-height: 24px;
  font-size: 13px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 30px 0 18px;
}

.admin-panel {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.admin-panel h2 {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 500;
}

.admin-panel label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: var(--soft-ink);
  font-size: 13px;
}

.admin-panel input,
.admin-panel textarea,
.json-editor {
  width: 100%;
  border: 1px solid rgba(46, 45, 42, 0.16);
  background: rgba(255, 255, 255, 0.28);
  color: var(--ink);
  padding: 10px;
  font: inherit;
  line-height: 1.5;
}

.json-editor {
  min-height: 520px;
  font-family: "Courier New", monospace;
  font-size: 12px;
}

@media (max-width: 820px) {
  .nav {
    overflow-x: auto;
  }

  .home {
    margin-top: 40px;
    grid-template-columns: 1fr;
  }

  .intro {
    min-height: auto;
    padding-top: 0;
    text-align: center;
  }

  .home::before {
    top: -168px;
    height: 124px;
  }

  .intro-cta {
    align-self: center;
    margin: 30px 0 0;
  }

  .memory-response {
    align-self: center;
    margin: 30px 0 0;
  }

  .tree-stage {
    padding-top: 18px;
  }

  .tree-wrap {
    width: min(100%, 430px);
  }

  .footer {
    grid-template-columns: repeat(2, 1fr);
  }

  .research-page {
    margin-top: 56px;
  }

  .research-hero {
    grid-template-columns: 1fr;
    gap: 38px;
    min-height: auto;
  }

  .research-mark {
    margin-bottom: 34px;
  }

  .research-copy h1 {
    margin-bottom: 30px;
  }

  .research-copy p {
    font-size: 16px;
    line-height: 1.85;
  }

  .score-system {
    min-height: 420px;
  }

  .score-title {
    right: calc(1% - 120px);
  }

  .research-notes {
    grid-template-columns: 1fr;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 38px;
    margin-top: 56px;
  }

  .fold-stage {
    height: 650px;
  }

  .fold-page {
    width: min(84vw, 620px);
    height: 560px;
  }

  .detail-body,
  .detail-header dl,
  .archive-head {
    grid-template-columns: 1fr;
  }

  .composition-row {
    grid-template-columns: 74px 1fr;
  }

  .composition-facts {
    grid-column: 2;
  }

  .composition-facts p {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 480px) {
  .nav {
    padding: 0 16px;
    font-size: 12px;
    gap: 18px;
  }

  .home {
    padding: 0 16px 48px;
  }

  .intro-copy h1,
  .intro-copy p,
  .intro-cta,
  .memory-response {
    font-size: 15px;
  }

  .branch-link {
    font-size: 10px;
  }

  .vertical-page-label,
  .works-label {
    display: none;
  }

  .about-bg-name {
    font-size: 76px;
    writing-mode: vertical-rl;
  }

  .about-photo img {
    height: 440px;
  }

  .about-copy .about-lede {
    font-size: 20px;
  }

  .fold-stage {
    height: 560px;
    margin-top: 52px;
  }

  .fold-page {
    width: 88vw;
    height: 500px;
  }

  .fold-link {
    grid-template-rows: minmax(0, 1fr) 128px;
  }

  .fold-info {
    padding: 24px 28px;
  }

  .fold-info strong {
    font-size: 23px;
  }

  .fold-info::after {
    right: 30px;
  }

  .fold-controls {
    margin-top: -74px;
  }

  .detail-header h1 {
    font-size: 38px;
  }

  .footer {
    padding-inline: 16px;
    font-size: 12px;
  }

  .research-page {
    padding-inline: 16px;
  }

  .research-copy h1 {
    font-size: 30px;
  }

  .research-actions {
    margin-top: 40px;
    gap: 20px;
  }

  .research-actions a {
    font-size: 15px;
  }

  .research-tags {
    gap: 18px;
    margin-top: 50px;
    font-size: 11px;
  }

  .score-node {
    font-size: 11px;
  }

  .node-memory { left: 21%; }
  .node-system { left: 90%; }
}