.nodes-hero {
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  color: var(--color-white-soft);
}

.nodes-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  pointer-events: none;
  mask-image: linear-gradient(to bottom, transparent, black, transparent);
}

.nodes-hero::after {
  position: absolute;
  top: 15%;
  right: -12%;
  width: 46vw;
  height: 46vw;
  border: 1px solid var(--color-white-border);
  border-radius: var(--radius-pill);
  box-shadow:
    0 0 0 54px var(--color-white-overlay),
    0 0 0 108px var(--color-white-overlay);
  content: "";
  pointer-events: none;
}

.nodes-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(330px, 0.82fr);
  gap: clamp(36px, 7vw, 88px);
  align-items: center;
  padding-top: clamp(72px, 9vw, 124px);
  padding-bottom: clamp(78px, 10vw, 138px);
}

.nodes-hero-copy h1 {
  max-width: 760px;
  margin-top: 22px;
  margin-bottom: 22px;
  color: var(--color-panel);
}

.nodes-hero-lead {
  max-width: 720px;
  margin-bottom: 24px;
  color: var(--color-white-muted);
  font-size: clamp(17px, 2vw, 21px);
}

.nodes-hero-lead strong {
  color: var(--color-panel);
}

.nodes-hero-facts {
  margin-bottom: 28px;
}

.nodes-hero-facts .fact-pill {
  border-color: var(--color-white-border);
  background: var(--color-white-overlay);
  color: var(--color-white-muted);
}

.nodes-hero-actions .button-secondary {
  border-color: var(--color-white-border);
  background: var(--color-white-overlay-strong);
  color: var(--color-panel);
}

.route-index {
  position: relative;
  padding: 28px;
  border: 1px solid var(--color-white-border);
  border-radius: var(--radius-card);
  background: var(--color-white-overlay);
  box-shadow: var(--shadow-device);
  backdrop-filter: blur(12px);
}

.route-index-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-white-border);
}

.route-index-head span {
  color: var(--color-white-faint);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.route-index-head strong {
  color: var(--color-panel);
  font-size: 15px;
}

.route-region-list {
  display: grid;
  margin-top: 10px;
}

.route-region-list a {
  display: grid;
  grid-template-columns: minmax(80px, 0.7fr) minmax(0, 1.3fr);
  gap: 16px;
  align-items: center;
  min-height: 64px;
  border-bottom: 1px solid var(--color-white-border);
}

.route-region-list a:hover span,
.route-region-list a:focus-visible span {
  color: var(--color-success);
}

.route-region-list span {
  color: var(--color-panel);
  font-weight: 780;
  transition: color var(--transition-fast);
}

.route-region-list small {
  color: var(--color-white-muted);
  font-size: 12px;
}

.route-index > p {
  margin-top: 20px;
  margin-bottom: 0;
  color: var(--color-white-muted);
  font-size: 12px;
}

.directory-notice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 34px;
  padding: 20px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card-inner);
  background: var(--color-panel-soft);
}

.directory-notice strong {
  color: var(--color-accent-dark);
  white-space: nowrap;
}

.directory-notice p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.region-block {
  margin-top: 42px;
  scroll-margin-top: var(--toc-offset);
}

.region-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 18px;
}

.region-heading .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.region-heading h3 {
  margin-top: 5px;
  margin-bottom: 0;
}

.region-heading p {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--color-text-muted);
  text-align: right;
}

.route-kind {
  display: inline-flex;
  max-width: 100%;
  min-height: 28px;
  align-items: center;
  padding: 4px 10px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel-soft);
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 760;
}

.type-ledger {
  display: grid;
  grid-template-columns: minmax(190px, 0.28fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.type-ledger-track {
  position: sticky;
  top: var(--toc-offset);
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card-inner);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.type-ledger-track > span {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.type-ledger-track a {
  display: flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--radius-small);
  color: var(--color-text-muted);
  font-weight: 720;
}

.type-ledger-track a:hover,
.type-ledger-track a:focus-visible {
  background: var(--color-panel-soft);
  color: var(--color-accent-dark);
}

.type-ledger-records {
  display: grid;
  gap: 18px;
}

.type-record {
  display: grid;
  grid-template-columns: minmax(110px, 0.22fr) minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
  scroll-margin-top: var(--toc-offset);
}

.type-record-mark {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 28px 22px;
  border-right: 1px dashed var(--color-border);
  background: var(--gradient-soft);
  color: var(--color-accent-dark);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.type-record-body {
  padding: 28px;
}

.type-record-body p {
  color: var(--color-text-muted);
}

.type-fit {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 22px;
}

.type-fit strong,
.type-fit span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: 11px;
}

.type-fit strong {
  background: var(--color-accent-dark);
  color: var(--color-panel);
}

.type-fit span {
  border: 1px solid var(--color-border);
  background: var(--color-panel-soft);
  color: var(--color-text-muted);
}

.usecase-board {
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.usecase-row {
  display: grid;
  grid-template-columns: minmax(190px, 0.32fr) minmax(0, 1fr);
  border-bottom: 1px solid var(--color-border);
}

.usecase-row:last-child {
  border-bottom: 0;
}

.usecase-label {
  padding: 28px;
  border-right: 1px dashed var(--color-border);
  background: var(--color-panel-soft);
}

.usecase-label .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.usecase-label h3 {
  margin-top: 8px;
  margin-bottom: 0;
}

.usecase-detail {
  padding: 28px;
}

.usecase-detail p {
  color: var(--color-text-muted);
}

.usecase-detail strong {
  display: block;
  margin-top: 14px;
  color: var(--color-accent-dark);
  font-size: 14px;
}

.diagnosis-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.diagnosis-panel {
  padding: 26px;
  border: 1px solid var(--color-white-border);
  border-radius: var(--radius-card-inner);
  background: var(--color-white-overlay);
}

.diagnosis-panel p {
  margin-bottom: 0;
  color: var(--color-white-muted);
}

.diagnosis-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--color-white-border);
  border-radius: var(--radius-card);
  background: var(--color-white-overlay-strong);
}

.diagnosis-actions strong {
  color: var(--color-panel);
  font-size: 20px;
}

.diagnosis-actions p {
  margin-top: 5px;
  margin-bottom: 0;
  color: var(--color-white-muted);
}

.diagnosis-actions .button-secondary {
  border-color: var(--color-white-border);
  background: var(--color-panel);
  color: var(--color-text);
}

.service-rule-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-panel);
}

.service-rule-strip article {
  min-height: 100%;
  padding: 28px;
  border-right: 1px dashed var(--color-border);
}

.service-rule-strip article:last-child {
  border-right: 0;
}

.service-rule-strip .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.service-rule-strip h3 {
  margin-top: 10px;
}

.service-rule-strip p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.selection-summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 30px;
  align-items: center;
  margin-top: 32px;
  padding: 32px;
}

.selection-summary .mono {
  color: var(--color-accent-dark);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.selection-summary h2 {
  margin-top: 8px;
  margin-bottom: 10px;
}

.selection-summary p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--color-text-muted);
}

@media (max-width: 980px) {
  .nodes-hero-inner {
    grid-template-columns: 1fr;
  }

  .route-index {
    max-width: 720px;
  }

  .type-ledger {
    grid-template-columns: 1fr;
  }

  .type-ledger-track {
    position: static;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .type-ledger-track > span {
    grid-column: 1 / -1;
  }

  .diagnosis-actions {
    grid-template-columns: 1fr;
  }

  .service-rule-strip {
    grid-template-columns: 1fr;
  }

  .service-rule-strip article {
    border-right: 0;
    border-bottom: 1px dashed var(--color-border);
  }

  .service-rule-strip article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 768px) {
  .nodes-hero::after {
    display: none;
  }

  .nodes-hero-inner {
    padding-top: 58px;
    padding-bottom: 72px;
  }

  .route-index {
    backdrop-filter: none;
  }

  .region-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .region-heading p {
    text-align: left;
  }

  .type-record {
    grid-template-columns: 1fr;
  }

  .type-record-mark {
    border-right: 0;
    border-bottom: 1px dashed var(--color-border);
  }

  .usecase-row {
    grid-template-columns: 1fr;
  }

  .usecase-label {
    border-right: 0;
    border-bottom: 1px dashed var(--color-border);
  }

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

  .selection-summary {
    grid-template-columns: 1fr;
  }

  .selection-summary .button {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .route-index {
    padding: 22px;
    border-radius: var(--radius-card-inner);
  }

  .route-index-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-region-list a {
    grid-template-columns: 1fr;
    gap: 2px;
    padding-block: 12px;
  }

  .directory-notice {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .type-ledger-track {
    grid-template-columns: 1fr;
  }

  .type-ledger-track > span {
    grid-column: auto;
  }

  .type-record-body,
  .usecase-label,
  .usecase-detail,
  .diagnosis-panel,
  .service-rule-strip article,
  .selection-summary {
    padding: 22px;
  }

  .diagnosis-actions {
    padding: 22px;
  }
}