.page-app-download {
  --app-step-indent: 64px;
  --app-rail-width: 2px;
  --app-hero-gap: var(--space-6);
}

.page-app-download .hero-flow {
  padding: var(--section-y-lg) 0 var(--space-6);
  background: var(--color-surface);
  border-bottom: var(--border-thin) double var(--color-line);
}

.page-app-download .hero-flow__inner {
  display: grid;
  gap: var(--app-hero-gap);
  align-items: center;
}

.page-app-download .hero-flow__title {
  font-size: var(--text-display);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: var(--space-1) 0 var(--space-3);
}

.page-app-download .hero-flow__lede {
  font-size: var(--text-lg);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-app-download .hero-flow__media {
  position: relative;
  overflow: hidden;
}

.page-app-download .hero-flow__img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-app-download .stat-band--inset {
  margin-top: var(--space-6);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-4) var(--space-3);
}

.page-app-download .stat-band__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  text-align: center;
}

.page-app-download .stat {
  display: grid;
  gap: 2px;
  justify-items: center;
}

.page-app-download .stat__value {
  font-size: var(--text-figure);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
  letter-spacing: -0.01em;
}

.page-app-download .stat__label {
  font-size: var(--text-base);
  color: var(--color-contrast-ink);
}

.page-app-download .stat__note {
  font-size: var(--text-xs);
  color: var(--color-contrast-line);
  letter-spacing: 0.02em;
}

.page-app-download .offside-line {
  position: relative;
  height: var(--border-thick);
  background: var(--color-primary);
  margin: var(--space-4) 0 var(--space-3);
}

.page-app-download .offside-line::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
}

.page-app-download .channel-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-app-download .channel-index__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.page-app-download .channel-index__mark {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-sm);
  transform: translateY(-1px);
}

.page-app-download .channel-index__mark--base {
  background: var(--color-surface-deep);
}

.page-app-download .channel-index__mark--full {
  background: var(--color-accent);
}

.page-app-download .channel-index__mark--board {
  background: var(--color-primary);
}

.page-app-download .section__head {
  text-align: center;
  margin-bottom: var(--space-6);
}

.page-app-download .section__index {
  font-size: var(--text-sm);
  letter-spacing: 0.24em;
  color: var(--color-primary);
  margin: 0 0 var(--space-1);
  font-variant-numeric: tabular-nums;
}

.page-app-download .section__title {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-app-download .section__lede {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: 60ch;
  margin: 0 auto;
  line-height: 1.7;
}

.page-app-download .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-app-download .steps__item {
  display: grid;
  grid-template-columns: var(--app-step-indent) 1fr;
  gap: var(--space-2);
  position: relative;
}

.page-app-download .steps__rail {
  position: relative;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.page-app-download .steps__rail::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: calc(-1 * var(--space-4));
  width: 1px;
  background: var(--color-line);
}

.page-app-download .steps__item:last-child .steps__rail::before {
  bottom: 0;
}

.page-app-download .steps__dot {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  margin-top: 8px;
}

.page-app-download .steps__content {
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .steps__item:last-child .steps__content {
  border-bottom: none;
}

.page-app-download .steps__num {
  font-size: var(--text-sm);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin: 0 0 var(--space-1);
  font-variant-numeric: tabular-nums;
}

.page-app-download .steps__title {
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-app-download .steps__body {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink);
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
}

.page-app-download .steps__note {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-primary-soft);
  margin: 0 0 var(--space-2);
}

.page-app-download .steps__result {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
  margin: 0;
}

.page-app-download .mark {
  background: var(--color-highlight);
  padding: 1px 6px;
  color: var(--color-ink);
}

.page-app-download .steps--compact {
  gap: var(--space-3);
}

.page-app-download .version-figure {
  margin: 0 0 var(--space-4);
}

.page-app-download .figure__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.page-app-download .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-app-download .figure__caption {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-top: var(--space-2);
  line-height: 1.6;
}

.page-app-download .table-scroll {
  overflow-x: auto;
  margin-bottom: var(--space-2);
}

.page-app-download .data-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-app-download .version-table__caption {
  text-align: left;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  padding-bottom: var(--space-1);
  letter-spacing: 0.06em;
}

.page-app-download .data-table th,
.page-app-download .data-table td {
  text-align: left;
  padding: var(--space-2) var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
  line-height: 1.6;
}

.page-app-download .data-table thead th {
  background: var(--color-surface-deep);
  color: var(--color-ink);
  border-top: var(--border-thick) solid var(--color-primary);
  border-bottom: var(--border-thick) solid var(--color-primary);
  font-weight: var(--weight-heading);
  letter-spacing: 0.04em;
}

.page-app-download .data-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-app-download .data-table tbody tr:hover {
  background: var(--color-highlight);
}

.page-app-download .data-table tbody th[scope="row"] {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-app-download .num {
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--color-accent);
}

.page-app-download .data-table__note {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.7;
  margin: 0 0 var(--space-4);
}

.page-app-download .install-grid {
  align-items: start;
}

.page-app-download .install-side {
  display: grid;
  gap: var(--space-3);
}

.page-app-download .install-side__title {
  font-size: var(--text-lg);
  color: var(--color-ink);
  margin: 0;
  padding-bottom: var(--space-1);
  border-bottom: var(--border-thick) double var(--color-primary);
}

.page-app-download .install-side__band {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-3);
}

.page-app-download .install-side__label {
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-contrast-accent);
  margin: 0 0 var(--space-2);
}

.page-app-download .check-list {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-app-download .check-list__item {
  display: flex;
  gap: var(--space-2);
  align-items: baseline;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.page-app-download .check-list__dot {
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-sm);
  background: var(--color-contrast-accent);
  transform: translateY(-2px);
}

.page-app-download .install-side__meta {
  font-size: var(--text-xs);
  color: var(--color-contrast-line);
  margin: 0;
  line-height: 1.7;
}

.page-app-download .install-side__link {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.8;
  margin: 0;
}

.page-app-download .trouble-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--border-thick) double var(--color-primary);
  margin-bottom: var(--space-6);
}

.page-app-download .trouble-grid__head {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink);
  background: var(--color-surface-deep);
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .trouble-grid__cell {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.7;
  padding: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-app-download .panel {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-app-download .panel__title {
  margin: 0;
  font-size: var(--text-base);
}

.page-app-download .panel__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--color-ink);
  padding: var(--space-2) 0;
}

.page-app-download .panel__toggle:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

.page-app-download .panel__sign {
  color: var(--color-primary);
  font-size: var(--text-base);
  flex: none;
}

.page-app-download .panel__inner {
  padding: 0 0 var(--space-3) var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary-soft);
}

.page-app-download .panel__inner p {
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink);
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
}

.page-app-download .panel__meta {
  color: var(--color-ink-muted);
  font-size: var(--text-xs);
}

.page-app-download .closing__media {
  overflow: hidden;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
}

.page-app-download .closing__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-app-download .closing__body {
  max-width: 72ch;
}

.page-app-download .closing__text {
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
}

.page-app-download .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-app-download .btn {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid transparent;
  text-decoration: none;
}

.page-app-download .btn--outline {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.page-app-download .btn--ghost {
  border-color: var(--color-line);
  color: var(--color-ink-soft);
}

.page-app-download .btn:hover {
  background: var(--color-surface-alt);
}

.page-app-download .back-to-top__link {
  display: inline-block;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.1em;
}

.page-app-download .back-to-top {
  text-align: center;
  padding: var(--space-3) 0 var(--space-6);
}

.page-app-download a {
  color: var(--color-accent);
}

.page-app-download a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  .page-app-download .channel-index {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }

  .page-app-download .stat-band__inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-app-download .trouble-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-app-download .trouble-grid__head {
    border-bottom: var(--border-thick) solid var(--color-primary);
  }
}

@media (min-width: 900px) {
  .page-app-download .hero-flow__inner {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
  }

  .page-app-download .hero-flow__media {
    clip-path: polygon(14% 0, 100% 0, 100% 100%, 0 100%);
  }

  .page-app-download .hero-flow {
    padding-bottom: var(--space-8);
  }

  .page-app-download .section__title {
    font-size: var(--text-3xl);
  }

  .page-app-download .install-grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-6);
  }

  .page-app-download .steps {
    gap: var(--space-6);
  }

  .page-app-download .steps--compact {
    gap: var(--space-4);
  }

  .page-app-download .steps__rail::before {
    bottom: calc(-1 * var(--space-6));
  }

  .page-app-download .steps--compact .steps__rail::before {
    bottom: calc(-1 * var(--space-4));
  }

  .page-app-download .steps__title {
    font-size: var(--text-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-app-download * {
    transition: none !important;
    animation: none !important;
  }
}
<<<PAGE_CSS_END>>>
<<<END>>>