:root {
  --canvas: #020202;
  --panel: #090909;
  --panel-strong: #101010;
  --navy: #08111c;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.32);
  --grid: rgba(255, 255, 255, 0.08);
  --text: #f4f4ef;
  --muted: rgba(244, 244, 239, 0.76);
  --faint: rgba(244, 244, 239, 0.5);
  --accent: #c6ff4f;
  --amber: #d8a85f;
  --container: min(1440px, calc(100vw - 48px));
  --section-gap: clamp(96px, 14vw, 180px);
  --radius: 6px;
  --shadow: 0 0 0 1px rgba(255, 255, 255, 0.02);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at 80% 12%, rgba(11, 24, 38, 0.58), transparent 34%),
    radial-gradient(circle at 18% 32%, rgba(255, 255, 255, 0.05), transparent 30%),
    linear-gradient(180deg, #030303 0%, #000 100%);
  color: var(--text);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.48), rgba(0, 0, 0, 0.08));
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.03) 50%, transparent 100%);
  opacity: 0.45;
  z-index: -1;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-grid {
  position: fixed;
  inset: 24px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  pointer-events: none;
  z-index: -1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: var(--container);
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  mix-blend-mode: difference;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
  max-width: 100%;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.88rem;
  letter-spacing: 0.16em;
}

.brand-copy {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 2px;
  overflow-wrap: anywhere;
}

.brand-copy strong,
.site-nav a,
.section-tag,
.card-tag,
.metric-label,
.panel-label,
.status-chip,
.footer-meta span {
  font-family: "IBM Plex Mono", monospace;
}

.brand-copy strong {
  display: block;
  font-size: 0.86rem;
  letter-spacing: 0.14em;
}

.brand-copy span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  position: relative;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.72;
  transition: opacity 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  opacity: 1;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

main {
  width: var(--container);
  margin: 0 auto;
  padding: 128px 0 80px;
}

.section {
  padding: var(--section-gap) 0 0;
}

.section:first-child {
  padding-top: 0;
}

.section-kicker,
.section-header,
.hero-grid,
.metric-strip,
.manifesto-grid,
.research-grid,
.analyzer-layout,
.papers-layout,
.paper-list,
.tiers-grid,
.archive-layout,
.access-layout,
.signal-flow,
.score-grid {
  display: grid;
  gap: 24px;
}

.section-kicker {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 32px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.65fr) minmax(320px, 0.95fr);
  align-items: end;
}

.hero-copy,
.section-header > *,
.statement-card,
.research-card,
.method-card,
.analyzer-console,
.featured-paper,
.paper-card,
.tier-card,
.archive-card,
.access-copy,
.access-form,
.protocol-card,
.long-manifesto,
.metric-card,
.signal-panel {
  min-width: 0;
}

.eyebrow,
.section-tag,
.card-tag,
.panel-label {
  margin: 0 0 18px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans JP", sans-serif;
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 400;
}

h1 {
  font-size: clamp(4.4rem, 12vw, 9.8rem);
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
}

h3 {
  font-size: clamp(1.28rem, 2vw, 1.9rem);
  line-height: 1.14;
}

p {
  margin: 0;
  color: var(--muted);
}

.lead {
  max-width: 72ch;
  font-size: 1rem;
}

.lead + .lead {
  margin-top: 18px;
}

.lead-short {
  color: var(--text);
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid var(--line);
  background: rgba(17, 17, 17, 0.92);
  color: var(--text);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    background 180ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: rgba(255, 255, 255, 0.82);
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(180deg, #141414 0%, #0b0b0b 100%);
}

.button-secondary {
  background: rgba(8, 17, 28, 0.78);
}

.panel-surface {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 24%),
    linear-gradient(180deg, rgba(11, 18, 26, 0.58), rgba(7, 7, 7, 0.92));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.signal-panel,
.metric-card,
.statement-card,
.research-card,
.method-card,
.analyzer-console,
.featured-paper,
.paper-card,
.tier-card,
.archive-card,
.access-copy,
.access-form,
.protocol-card,
.long-manifesto {
  padding: 28px;
}

.signal-row,
.console-log div,
.archive-entries div,
.score-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.signal-row {
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.signal-row:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.signal-row span,
.console-log span,
.archive-entries span,
.metric-label,
.metric-card p,
.paper-meta,
.section-summary,
label,
input::placeholder,
textarea::placeholder {
  color: var(--faint);
}

.signal-row strong,
.metric-value,
.overall-score strong,
.score-row strong {
  font-family: "IBM Plex Mono", monospace;
  font-variant-numeric: tabular-nums;
}

.spectrum-panel {
  margin: 28px 0 22px;
  padding: 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(180deg, rgba(9, 17, 28, 0.72), rgba(4, 4, 4, 0.94));
  overflow: hidden;
}

.spectrum-panel svg {
  display: block;
  width: 100%;
  height: auto;
}

.spectrum-line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

.spectrum-line-a {
  stroke: rgba(255, 255, 255, 0.82);
}

.spectrum-line-b {
  stroke: rgba(216, 168, 95, 0.72);
}

.spectrum-line-c {
  stroke: rgba(198, 255, 79, 0.72);
}

.signal-note {
  font-size: 0.94rem;
}

.metric-strip {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 26px;
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metric-value {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--text);
}

.metric-label {
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-header {
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.8fr);
  align-items: end;
  margin-bottom: 28px;
}

.section-summary {
  font-size: 0.96rem;
}

.manifesto-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-tag {
  margin-bottom: 16px;
}

.statement-card h3,
.research-card h3,
.paper-card h3,
.tier-card h3,
.featured-paper h3,
.analyzer-console h3 {
  margin-bottom: 16px;
}

.statement-card p:last-child,
.research-card p,
.paper-card p,
.tier-card p,
.featured-paper p {
  font-size: 0.96rem;
}

.long-manifesto {
  margin-top: 24px;
}

.long-manifesto-head,
.featured-paper-head,
.protocol-head,
.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.status-chip {
  display: inline-block;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--line);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: normal;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.status-chip-accent {
  border-color: rgba(198, 255, 79, 0.38);
  color: var(--accent);
}

.research-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 16px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-card dl {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.research-card dl div {
  display: grid;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.research-card dt,
.research-card dd {
  margin: 0;
}

.research-card dt {
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-card dd {
  color: var(--text);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.analyzer-layout {
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
}

.method-card + .method-card {
  margin-top: 24px;
}

.signal-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.signal-flow div {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.24);
}

.signal-flow span,
.access-paths span {
  display: block;
  margin-bottom: 10px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.signal-flow strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Space Grotesk", "Noto Sans JP", sans-serif;
  font-size: 1.05rem;
  font-weight: 400;
}

.method-copy,
.workshop-summary {
  margin-bottom: 20px;
}

.coach-visuals {
  display: grid;
  gap: 18px;
}

.media-grid {
  display: grid;
  gap: 18px;
}

.media-grid-workshop {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-grid-coach-secondary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.media-card {
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.media-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #050505;
}

.media-card figcaption {
  padding: 12px 14px;
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feedback-list,
.archive-class-list,
.protocol-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.feedback-list li + li,
.archive-class-list li + li,
.protocol-list li + li {
  margin-top: 10px;
}

.overall-score {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0 28px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.overall-score span {
  color: var(--muted);
}

.overall-score strong {
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.9;
}

.score-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.score-item {
  padding: 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.score-row {
  margin-bottom: 12px;
  font-size: 0.92rem;
}

.meter {
  width: 100%;
  height: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.meter-fill {
  display: block;
  width: 0;
  max-width: 100%;
  height: 100%;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.9), rgba(198, 255, 79, 0.85));
  transition: width 900ms cubic-bezier(0.2, 1, 0.22, 1);
}

.console-log {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.console-log strong {
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.92rem;
}

.papers-layout {
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
}

.paper-meta {
  margin-bottom: 14px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
}

.action-cluster {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.action-tile {
  display: grid;
  gap: 8px;
  min-width: 0;
  min-height: 88px;
  padding: 16px;
  border: 1px solid var(--line);
  background: rgba(17, 17, 17, 0.92);
  transition:
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}

.action-tile:hover,
.action-tile:focus-visible {
  border-color: rgba(255, 255, 255, 0.82);
  background: rgba(28, 28, 28, 0.96);
  transform: translateY(-2px);
}

.action-tile-primary {
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.96), rgba(8, 8, 8, 0.96));
}

.action-title,
.action-meta {
  min-width: 0;
}

.action-title {
  color: var(--text);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.action-meta {
  color: var(--faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  overflow-wrap: anywhere;
}

.paper-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.paper-tags span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.paper-list {
  grid-template-columns: 1fr;
}

.tiers-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.tier-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.protocol-card {
  margin-top: 24px;
}

.protocol-list {
  padding-left: 1.5rem;
}

.archive-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.archive-class-list {
  list-style: none;
  padding-left: 0;
}

.archive-class-list li {
  padding: 12px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.archive-class-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.archive-entries {
  display: grid;
  gap: 10px;
}

.archive-entries div {
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.archive-entries div:first-child {
  border-top: 0;
  padding-top: 0;
}

.archive-entries strong {
  color: var(--text);
  font-size: 0.94rem;
  overflow-wrap: anywhere;
}

.access-layout {
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
}

.workshop-panel {
  margin-bottom: 24px;
}

.workshop-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.92fr);
  gap: 24px;
  margin-bottom: 20px;
}

.access-paths {
  display: grid;
  gap: 22px;
}

.access-paths > div {
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.access-paths > div:first-child {
  padding-top: 0;
  border-top: 0;
}

.access-form {
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(17, 17, 17, 0.9);
  color: var(--text);
  padding: 14px 14px;
}

textarea {
  resize: vertical;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.button:focus-visible,
.site-nav a:focus-visible,
.brand:focus-visible {
  outline: 1px solid #fff;
  outline-offset: 3px;
}

.form-status {
  min-height: 28px;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer {
  width: var(--container);
  margin: 0 auto;
  padding: 64px 0 40px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer strong {
  display: block;
  margin-bottom: 12px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.84rem;
  letter-spacing: 0.14em;
}

.footer-meta {
  display: grid;
  gap: 8px;
  text-align: right;
}

.footer-meta span {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 900ms ease,
    transform 900ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1320px) {
  .tiers-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .site-header {
    width: calc(100vw - 32px);
    padding-top: 16px;
  }

  main,
  .site-footer {
    width: calc(100vw - 32px);
  }

  .hero-grid,
  .section-header,
  .analyzer-layout,
  .papers-layout,
  .access-layout {
    grid-template-columns: 1fr;
  }

  .metric-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    width: calc(100vw - 32px);
    padding-bottom: 0;
    flex-direction: column;
    align-items: flex-start;
    mix-blend-mode: normal;
  }

  main {
    padding-top: 40px;
  }

  .manifesto-grid,
  .research-grid,
  .archive-layout,
  .score-grid,
  .workshop-head {
    grid-template-columns: 1fr;
  }

  .signal-flow,
  .media-grid-workshop {
    grid-template-columns: 1fr;
  }

  .media-grid-coach-secondary,
  .action-cluster {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (max-width: 760px) {
  :root {
    --container: calc(100vw - 24px);
    --section-gap: 84px;
  }

  .page-grid {
    inset: 12px;
  }

  .brand {
    align-items: flex-start;
  }

  .brand-copy strong,
  .brand-copy span,
  .site-nav a {
    letter-spacing: 0.1em;
  }

  .site-nav {
    gap: 14px;
  }

  .long-manifesto-head,
  .featured-paper-head,
  .protocol-head,
  .console-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .status-chip {
    width: 100%;
  }

  .section-kicker,
  .metric-strip,
  .tiers-grid {
    grid-template-columns: 1fr;
  }

  .signal-panel,
  .metric-card,
  .statement-card,
  .research-card,
  .method-card,
  .analyzer-console,
  .featured-paper,
  .paper-card,
  .tier-card,
  .archive-card,
  .access-copy,
  .access-form,
  .protocol-card,
  .long-manifesto {
    padding: 22px;
  }

  h1 {
    font-size: clamp(3.4rem, 16vw, 5.3rem);
  }

  h2 {
    font-size: clamp(1.8rem, 8vw, 2.6rem);
  }

  .section-kicker {
    margin-bottom: 24px;
  }
}