.tabs {
  min-width: 0;
}

.tab-list {
  display: flex;
  max-width: 100%;
  gap: 7px;
  overflow-x: auto;
  margin: 0 0 26px;
  padding: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.tab-list [role="tab"] {
  display: inline-flex;
  min-width: max-content;
  min-height: 42px;
  flex: 1 0 auto;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: var(--radius-pill);
  padding: 8px 17px;
  background: transparent;
  color: var(--color-muted);
  font-weight: 650;
}

.tab-list [role="tab"]:hover {
  color: var(--color-ink);
}

.tab-list [role="tab"][aria-selected="true"],
.tab-list [role="tab"].active {
  background: var(--color-page);
  color: var(--color-brand-deep);
  box-shadow: var(--shadow-card);
}

[role="tabpanel"][hidden] {
  display: none;
}

.tab-panel {
  min-width: 0;
}

.toc {
  position: sticky;
  z-index: 20;
  top: 12px;
  display: flex;
  max-width: 100%;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  margin-bottom: 36px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 7px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.toc a {
  display: inline-flex;
  min-width: max-content;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  padding: 7px 14px;
  color: var(--color-muted);
  font-size: 14px;
  font-weight: 650;
}

.toc a:hover,
.toc a:focus-visible {
  background: var(--color-panel);
  color: var(--color-brand-deep);
}

.toc.is-static {
  position: static;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.faq-item summary {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  gap: 14px;
  padding: 16px 52px 16px 20px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 22px;
  height: 22px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-brand-deep);
  content: "+";
  font-size: 18px;
  line-height: 20px;
  text-align: center;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  border-top: 1px solid var(--color-line);
  padding: 18px 20px 20px;
  color: var(--color-muted);
}

.faq-answer > :last-child {
  margin-bottom: 0;
}

.glossary-card {
  position: relative;
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 26px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.glossary-card::before {
  position: absolute;
  top: 0;
  left: 26px;
  width: 46px;
  height: 4px;
  border-radius: 0 0 var(--radius-pill) var(--radius-pill);
  background: var(--gradient-brand);
  content: "";
}

.glossary-card h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.glossary-card .term-en {
  margin-bottom: 14px;
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.glossary-card p:last-child {
  margin-bottom: 0;
  color: var(--color-muted);
}

.download-card {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.download-card + .download-card {
  margin-top: 16px;
}

.download-card-main {
  display: flex;
  min-width: 0;
  align-items: flex-start;
  gap: 16px;
}

.download-card-icon {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
}

.download-card-copy {
  min-width: 0;
}

.download-card h3 {
  margin-bottom: 5px;
  font-size: 21px;
}

.download-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.download-card-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.version-slot:empty {
  display: none;
}

.status-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 9px;
}

.status-badge {
  display: inline-flex;
  min-height: 27px;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 750;
  line-height: 1.2;
}

.status-featured {
  background: var(--color-warning-soft);
  color: var(--color-brand-deep);
}

.status-recommended {
  background: var(--color-success-soft);
  color: var(--color-ink);
}

.status-archived {
  background: var(--color-error-soft);
  color: var(--color-error);
}

.article-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 26px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 16px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 12px;
}

.article-card h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.4;
}

.article-card p {
  color: var(--color-muted);
}

.article-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--color-brand-deep);
  font-weight: 700;
}

.callout {
  position: relative;
  margin: 24px 0;
  border: 1px solid var(--color-line);
  border-left: 4px solid var(--color-brand);
  border-radius: var(--radius-md);
  padding: 19px 21px;
  background: var(--color-panel);
  color: var(--color-ink);
}

.callout strong:first-child {
  color: var(--color-brand-deep);
}

.callout > :last-child {
  margin-bottom: 0;
}

.callout-success {
  border-left-color: var(--color-success);
  background: var(--color-success-soft);
  color: var(--color-ink);
}

.callout-warning {
  border-left-color: var(--color-warning);
  background: var(--color-warning-soft);
  color: var(--color-ink);
}

.callout-error {
  border-left-color: var(--color-error);
  background: var(--color-error-soft);
  color: var(--color-ink);
}

.dl-fab {
  position: fixed;
  z-index: 60;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  display: inline-flex;
  max-width: min(310px, calc(100vw - 36px));
  min-height: 64px;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: 10px 16px 10px 11px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-window);
}

.dl-fab-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-brand-deep);
  color: var(--color-white-text);
}

.dl-fab-icon svg {
  width: 21px;
  height: 21px;
}

.dl-fab-copy {
  min-width: 0;
  line-height: 1.35;
}

.dl-fab-copy strong,
.dl-fab-copy small {
  display: block;
}

.dl-fab-copy strong {
  font-size: 14px;
}

.dl-fab-copy small {
  color: var(--color-muted);
  font-size: 12px;
}

.end-download-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 22px;
  align-items: center;
  margin-top: 48px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: clamp(24px, 4vw, 38px);
  background: var(--color-panel);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.end-download-card h2,
.end-download-card h3 {
  margin-bottom: 8px;
  font-size: 25px;
}

.end-download-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.data-table {
  width: 100%;
}

.prose > .data-table {
  display: block;
  max-width: 100%;
  min-width: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.compare-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
}

.compare-column {
  padding: clamp(28px, 5vw, 56px);
  background: var(--color-page);
  color: var(--color-ink);
}

.compare-column + .compare-column {
  border-left: 1px solid var(--color-line);
  background: var(--color-panel);
  color: var(--color-ink);
}

.compare-list {
  display: grid;
  gap: 18px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.compare-symbol {
  display: inline-flex;
  width: 29px;
  height: 29px;
  flex: 0 0 29px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  font-weight: 800;
}

.compare-symbol-bad {
  background: var(--color-error-soft);
  color: var(--color-error);
}

.compare-symbol-good {
  background: var(--color-success-soft);
  color: var(--color-ink);
}

.mock-window {
  position: relative;
  display: grid;
  height: 560px;
  grid-template-rows: 42px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-xl);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-window);
}

.mock-chrome {
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid var(--color-line);
  padding: 0 18px;
  background: var(--color-panel);
  color: var(--color-muted);
}

.mock-chrome-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
}

.mock-chrome-title {
  margin-inline: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  transform: translateX(-24px);
}

.mock-body {
  display: grid;
  min-height: 0;
  grid-template-columns: 138px minmax(0, 1fr) 208px;
}

.mock-side {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border-right: 1px solid var(--color-line);
  padding: 18px 12px;
  background: var(--color-panel);
  color: var(--color-ink);
}

.mock-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 6px 16px;
  font-size: 14px;
  font-weight: 750;
}

.mock-brand img {
  width: 22px;
  height: 22px;
}

.mock-side ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mock-side li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--color-muted);
  font-size: 13px;
}

.mock-side li svg {
  width: 14px;
  height: 14px;
}

.mock-side li.active {
  background: var(--color-panel-strong);
  color: var(--color-ink);
  font-weight: 700;
}

.mock-side li.active svg {
  color: var(--color-brand-deep);
}

.mock-side-foot {
  margin-top: auto;
  padding: 10px 8px 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.mock-rules {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 14px;
  padding: 16px;
  background: var(--color-page);
  color: var(--color-ink);
}

.mock-toolbar {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.mock-pill {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
  background: var(--color-page);
  color: var(--color-ink);
  font-size: 11px;
}

.mock-pill:last-child {
  min-width: 0;
  margin-left: auto;
  overflow-wrap: anywhere;
  color: var(--color-muted);
  font-family: var(--font-mono);
}

.mock-pill-mark {
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 2px;
  background: var(--color-brand);
}

.mock-board {
  display: grid;
  min-height: 0;
  flex: 1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.mock-column {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 8px;
}

.mock-column-title {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 2px 4px 4px;
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.05em;
}

.mock-column-title::before {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  content: "";
}

.mock-column-direct .mock-column-title::before {
  background: var(--color-success);
}

.mock-column-reject .mock-column-title::before {
  background: var(--color-coral);
}

.mock-rule {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 6px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 9px 10px 8px;
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
}

.mock-rule code {
  color: var(--color-ink);
  font-size: 10px;
  line-height: 1.5;
}

.mock-rule-tag {
  align-self: flex-end;
  border-radius: var(--radius-pill);
  padding: 1px 7px;
  background: var(--color-panel);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 9px;
}

.mock-settings {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border-left: 1px solid var(--color-line);
  padding: 18px 16px 14px;
  background: var(--color-panel);
  color: var(--color-ink);
}

.mock-settings h3 {
  margin-bottom: 12px;
  font-size: 13px;
}

.mock-switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px solid var(--color-line);
  padding: 11px 2px;
  font-size: 12px;
}

.mock-switch {
  position: relative;
  width: 34px;
  height: 20px;
  flex: 0 0 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel-strong);
}

.mock-switch::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-pill);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
  content: "";
}

.mock-switch.is-on {
  border-color: var(--color-brand-deep);
  background: var(--color-brand-deep);
}

.mock-switch.is-on::after {
  left: 16px;
}

.mock-settings-note {
  margin-top: auto;
  padding-top: 14px;
  color: var(--color-muted);
  font-size: 11px;
}

@media (max-width: 860px) {
  .toc {
    top: 8px;
  }

  .download-card,
  .end-download-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .download-card-actions {
    justify-content: flex-start;
  }

  .mock-window {
    height: 500px;
  }

  .mock-body {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .mock-settings {
    display: none;
  }
}

@media (max-width: 640px) {
  .toc {
    border-radius: var(--radius-md);
  }

  .faq-item summary {
    padding-left: 16px;
  }

  .download-card-main {
    flex-direction: column;
  }

  .compare-split {
    grid-template-columns: minmax(0, 1fr);
  }

  .compare-column + .compare-column {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }

  .dl-fab {
    right: 12px;
    bottom: 12px;
    max-width: calc(100vw - 24px);
  }

  .mock-window {
    height: 430px;
  }

  .mock-body {
    grid-template-columns: minmax(0, 1fr);
  }

  .mock-side {
    display: none;
  }

  .mock-board {
    grid-template-columns: minmax(0, 1fr);
    overflow-y: auto;
  }

  .mock-column-direct,
  .mock-column-reject {
    display: none;
  }
}