.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border-glass-90);
  background: var(--surface-glass-92);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  gap: var(--space-xl);
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-brand-navy-strong);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 50%;
  background: var(--color-brand-navy-strong);
  color: var(--color-on-dark);
  font-weight: 800;
}

.brand-copy {
  display: grid;
  line-height: 1.2;
}

.brand-copy strong {
  color: var(--color-brand-navy-strong);
  font-size: 1.125rem;
}

.brand-copy span {
  color: var(--color-muted);
  font-size: 0.75rem;
}

.site-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: var(--space-xs);
}

.site-nav a,
.language-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  padding-inline: var(--space-sm);
  border-radius: var(--radius-sm);
  color: var(--color-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--color-surface-blue);
  color: var(--color-brand-navy);
}

.language-link {
  gap: var(--space-xs);
  margin-left: var(--space-sm);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-brand-navy);
}

.language-link::before {
  content: "文";
  font-weight: 700;
}

.menu-button {
  display: none;
  min-width: 2.75rem;
  min-height: 2.75rem;
  margin-left: auto;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-brand-navy);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
}

.card,
.analysis-card,
.content-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.analysis-card,
.content-card {
  padding: var(--space-xl);
}

.countdown-card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--border-strong-glass-90);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--surface-glass-99), var(--surface-blue-glass-95));
  box-shadow: var(--shadow-hero);
}

.countdown-card::after {
  position: absolute;
  z-index: -1;
  top: -7rem;
  right: -6rem;
  width: 20rem;
  height: 20rem;
  border: 4rem solid var(--glow-blue-soft);
  border-radius: 50%;
  content: "";
}

.countdown-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.status-badge,
.data-badge {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-body);
  font-size: 0.8125rem;
  font-weight: 700;
}

.status-badge::before {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-muted);
  content: "";
}

[data-ui-state="live"] .status-badge::before {
  background: var(--color-current);
  box-shadow: 0 0 0 0.25rem var(--color-current-soft);
}

[data-ui-state="cached"] .status-badge::before,
[data-ui-state="stale"] .status-badge::before {
  background: var(--color-warning);
}

[data-ui-state="invalid-data"] .status-badge::before {
  background: var(--color-negative);
}

.countdown-title {
  max-width: 22ch;
  margin: var(--space-lg) 0 var(--space-xl);
  color: var(--color-brand-navy-strong);
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.16;
  letter-spacing: -0.025em;
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 54rem;
  gap: var(--space-sm);
}

.countdown-unit {
  min-width: 0;
  padding: clamp(0.75rem, 2vw, 1.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--surface-glass-82);
}

.countdown-value {
  display: block;
  color: var(--color-brand-navy-strong);
  font-family: var(--font-numeric);
  font-size: clamp(1.75rem, 5vw, 3.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
  line-height: 1;
}

.countdown-label {
  display: block;
  margin-top: var(--space-xs);
  color: var(--color-muted);
  font-size: 0.875rem;
  font-weight: 600;
}

.countdown-note {
  margin: var(--space-md) 0 0;
  color: var(--color-muted);
  font-size: 0.875rem;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: var(--space-xl) 0;
  gap: var(--space-sm);
}

.metric {
  min-width: 0;
  padding: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.metric dt {
  color: var(--color-muted);
  font-size: 0.8125rem;
  font-weight: 600;
}

.metric dd {
  margin: var(--space-xs) 0 0;
  overflow-wrap: anywhere;
  color: var(--color-ink);
  font-family: var(--font-numeric);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.progress-stack {
  display: grid;
  gap: var(--space-lg);
}

.progress-heading {
  display: flex;
  margin-bottom: var(--space-xs);
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-body);
  font-size: 0.875rem;
  font-weight: 600;
}

.progress-heading strong {
  font-family: var(--font-numeric);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.progress-track {
  height: 0.75rem;
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--color-surface-header);
}

.progress-track.secondary {
  height: 0.5rem;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-brand-navy), var(--color-brand-blue), var(--color-brand-sky));
  transition: width 180ms ease-out;
}

.progress-track.secondary .progress-fill {
  background: var(--color-border-strong);
}

.progress-explainer {
  margin: var(--space-sm) 0 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.countdown-footer {
  display: flex;
  margin-top: var(--space-xl);
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-lg);
}

.expected-date {
  display: grid;
  gap: var(--space-xxs);
}

.expected-date span {
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.expected-date strong {
  color: var(--color-brand-navy);
  font-family: var(--font-numeric);
  font-size: 1.125rem;
  font-variant-numeric: tabular-nums;
}

.text-link,
.button-primary,
.button-secondary {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.65rem 1rem;
  border-radius: 0.625rem;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.button-primary {
  border: 1px solid var(--color-brand-blue);
  background: var(--color-brand-blue);
  color: var(--color-on-dark);
}

.button-primary:hover {
  border-color: var(--color-brand-blue-strong);
  background: var(--color-brand-blue-strong);
}

.button-secondary,
.text-link {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-brand-navy);
}

.cycle-card {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.cycle-card > h2 {
  margin: 0 0 0.5625rem;
  padding-right: 8.125rem;
  color: var(--color-brand-navy);
  font-size: 1.375rem;
}

.cycle-description {
  max-width: none;
  margin: 0 0 0.625rem;
  color: var(--color-body);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: nowrap;
}

.cycle-methodology-link {
  position: absolute;
  top: 1.375rem;
  right: 1.5rem;
  min-height: 2rem;
  padding: 0.3125rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  line-height: 1;
}

.chart-scroll,
.table-scroll {
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--color-border-strong) transparent;
}

.cycle-card .chart-scroll {
  margin: 0;
  overflow-y: hidden;
  padding: 0;
}

.scroll-guidance {
  display: none;
  margin: 0 0 var(--space-sm);
  color: var(--color-muted);
  font-size: 0.8125rem;
}

.cycle-chart {
  position: relative;
  min-width: 720px;
  height: 13.25rem;
  margin: 4.75rem 0.625rem 0;
}

.cycle-axis-line {
  position: absolute;
  top: 6.875rem;
  right: 4%;
  left: 4%;
  height: 0.3125rem;
  border-radius: var(--radius-xs);
  background: linear-gradient(
    90deg,
    var(--color-brand-blue-strong) 0%,
    var(--color-brand-blue-strong) var(--bear-left-end, 11.3%),
    var(--color-low) var(--bear-left-end, 11.3%),
    var(--color-brand-sky) 19%,
    var(--color-border-strong) 32%,
    var(--color-high-soft) 50%,
    var(--color-high) 70%,
    var(--color-high) var(--bear-right-start, 89.1%),
    var(--color-low) var(--bear-right-start, 89.1%),
    var(--color-brand-blue-strong) 100%
  );
}

.cycle-zone-label {
  position: absolute;
  top: -2.125rem;
  color: var(--color-brand-blue-strong);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.4;
  white-space: pre-line;
}

.cycle-zone-label.left {
  left: calc(4% - 0.375rem);
}

.cycle-zone-label.right {
  right: calc(4% - 0.375rem);
  text-align: right;
}

.cycle-baseline {
  position: absolute;
  top: -0.375rem;
  left: 50%;
  width: 2px;
  height: 8rem;
  background: var(--color-baseline);
}

.baseline-label {
  position: absolute;
  top: -2.125rem;
  left: 50%;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  background: var(--color-baseline);
  color: var(--color-on-dark);
  font-size: 0.8125rem;
  font-weight: 700;
  transform: translateX(-50%);
}

.axis-tick {
  position: absolute;
  top: 7.625rem;
  width: 1px;
  height: 0.625rem;
  background: var(--color-muted-soft);
}

.axis-tick span {
  position: absolute;
  top: 0.75rem;
  left: 50%;
  color: var(--color-muted);
  font-family: var(--font-numeric);
  font-size: 0.6875rem;
  font-variant-numeric: tabular-nums;
  transform: translateX(-50%);
}

.forecast-band {
  position: absolute;
  z-index: 1;
  top: 6.1875rem;
  min-width: 1.125rem;
  height: 1.75rem;
  border: 2px dashed currentColor;
  border-radius: var(--radius-pill);
}

.forecast-band.low {
  color: var(--color-low);
  border-color: var(--color-low-soft);
  background: var(--color-brand-blue-soft);
}

.forecast-band.high {
  color: var(--color-high-strong);
  border-color: var(--color-high-soft);
  background: var(--color-high-surface);
}

.forecast-band span {
  position: absolute;
  top: 4.0625rem;
  left: 50%;
  width: max-content;
  padding: 0.1875rem 0.4375rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.35;
  transform: translateX(-50%);
}

.chart-marker {
  position: absolute;
  z-index: 3;
  top: 6rem;
  width: 1rem;
  height: 1rem;
  padding: 0;
  border: 3px solid var(--color-surface);
  border-radius: 50%;
  box-shadow: var(--shadow-marker);
  color: transparent;
  cursor: pointer;
  transform: translateX(-50%);
}

.chart-marker[aria-pressed="true"] {
  outline: 3px solid var(--color-brand-navy);
  outline-offset: 2px;
}

.chart-marker.low {
  background: var(--color-low);
}

.chart-marker.high {
  background: var(--color-high);
}

.chart-marker.current {
  top: 5.9375rem;
  width: 1.125rem;
  height: 1.125rem;
  background: var(--color-current);
}

.chart-marker.dot-up {
  top: 5.375rem;
}

.chart-marker.dot-down {
  top: 6.625rem;
}

.chart-marker-label {
  position: absolute;
  top: -2.75rem;
  left: 50%;
  width: max-content;
  padding: 0.25rem 0.4375rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  font-family: var(--font-numeric);
  font-size: 0.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1.35;
  pointer-events: none;
  transform: translateX(-50%);
}

.chart-marker.low .chart-marker-label {
  color: var(--color-low);
}

.chart-marker.high .chart-marker-label {
  color: var(--color-high-strong);
}

.chart-marker.current .chart-marker-label {
  top: -3.25rem;
  border-color: var(--color-current-border);
  color: var(--color-current);
}

.chart-marker.label-up-1 .chart-marker-label { top: -2.625rem; }
.chart-marker.label-up-2 .chart-marker-label { top: -5.75rem; }
.chart-marker.label-up-3 .chart-marker-label { top: -6.625rem; }
.chart-marker.label-up-4 .chart-marker-label { top: -7.5rem; }

.chart-detail {
  min-height: 2.75rem;
  margin: 0.75rem 0 0;
  padding: 0.5625rem 0.75rem;
  border-left: 4px solid var(--color-brand-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-surface-blue);
  color: var(--color-body);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.chart-detail strong {
  display: block;
  color: var(--color-brand-navy);
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5625rem 1.125rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legend li {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  color: var(--color-body);
  font-size: 0.75rem;
}

.legend-dot {
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
}

.legend-dot.low { background: var(--color-low); }
.legend-dot.high { background: var(--color-high); }
.legend-dot.current { background: var(--color-current); }
.legend-dot.baseline { background: var(--color-baseline); }
.legend-dot.bear { background: var(--color-brand-blue-strong); }
.legend-dot.gradient { background: linear-gradient(90deg, var(--color-low), var(--color-border-strong), var(--color-high)); }

.data-table {
  width: 100%;
  min-width: 52rem;
  border-collapse: separate;
  border-spacing: 0;
  color: var(--color-body);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 0.875rem 1rem;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
}

.data-table th:first-child,
.data-table td:first-child {
  border-left: 1px solid var(--color-border);
}

.data-table thead th {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-header);
  color: var(--color-ink);
  font-weight: 700;
}

.data-table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.data-table thead th:last-child { border-radius: 0 var(--radius-sm) 0 0; }
.data-table tbody tr:nth-child(even) { background: var(--color-surface-soft); }
.data-table tbody th { color: var(--color-ink); font-weight: 700; }

.cycle-card .table-scroll {
  margin-top: 0.875rem;
}

.cycle-card .data-table {
  min-width: 52rem;
  border-collapse: collapse;
  background: var(--color-surface);
  font-size: 0.75rem;
}

.cycle-card .data-table th,
.cycle-card .data-table td {
  padding: 0.4375rem 0.5rem;
  border: 1px solid var(--color-border);
}

.cycle-card .data-table tbody th,
.cycle-card .data-table tbody td {
  padding-block: 0.25rem;
}

.cycle-card .data-table thead th {
  background: var(--color-surface-header);
}

.cycle-card .note-list {
  margin-top: 0.625rem;
  font-size: 0.75rem;
  line-height: 1.5;
}

.cycle-card .note-list li {
  max-width: none;
  white-space: nowrap;
}

.data-badge {
  min-height: 1.75rem;
  margin-left: var(--space-xxs);
  padding: 0.15rem 0.5rem;
  vertical-align: middle;
}

.data-badge.forecast {
  border-style: dashed;
  border-color: var(--color-warning);
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.data-badge.provisional {
  border-color: var(--color-border-strong);
  background: var(--color-surface-soft);
  color: var(--color-body);
}

.note-list {
  display: grid;
  margin: var(--space-lg) 0 0;
  padding: 0;
  gap: var(--space-xs);
  color: var(--color-muted);
  font-size: 0.8125rem;
  list-style: none;
}

.note-list li::before {
  margin-right: var(--space-xs);
  content: "※";
}

.faq-list {
  display: grid;
  gap: var(--space-sm);
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.faq-item summary {
  min-height: 3.5rem;
  padding: var(--space-md) 3rem var(--space-md) var(--space-md);
  color: var(--color-ink);
  cursor: pointer;
  font-weight: 700;
}

.faq-item p {
  padding: 0 var(--space-md) var(--space-md);
  margin-bottom: 0;
}

.ad-slot {
  display: grid;
  min-height: 8rem;
  place-items: center;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--surface-glass-50);
  color: var(--color-muted);
  font-size: 0.75rem;
}

.callout {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-brand-blue);
  border-radius: var(--radius-md);
  background: var(--color-surface-blue);
}

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

.status-grid,
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}

.mini-card {
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.mini-card h3 {
  font-size: 1.0625rem;
}

.mini-card p:last-child {
  margin-bottom: 0;
}

.formula {
  overflow-wrap: anywhere;
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-brand-navy-strong);
  color: var(--color-on-dark);
  font-family: var(--font-numeric);
  font-variant-numeric: tabular-nums;
}

.site-footer {
  margin-top: var(--space-section);
  padding-block: var(--space-xxl);
  border-top: 1px solid var(--color-border);
  background: var(--color-brand-navy-strong);
  color: var(--color-footer-body);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(14rem, 1.3fr) repeat(2, minmax(10rem, 1fr));
  gap: var(--space-xl);
}

.footer-brand {
  color: var(--color-on-dark);
  font-size: 1.25rem;
  font-weight: 800;
}

.footer-heading {
  margin-bottom: var(--space-sm);
  color: var(--color-on-dark);
  font-size: 0.875rem;
  font-weight: 700;
}

.footer-links {
  display: grid;
  margin: 0;
  padding: 0;
  gap: var(--space-xs);
  list-style: none;
}

.footer-links a {
  color: var(--color-footer-link);
  font-size: 0.875rem;
}

.footer-meta {
  display: flex;
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-on-dark);
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--color-footer-meta);
  font-size: 0.8125rem;
}

@media (max-width: 1080px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0;
  }

  .menu-button {
    display: inline-flex;
  }

  .language-link {
    margin-left: var(--space-xs);
  }

  .site-nav {
    display: none;
    order: 4;
    width: 100%;
    margin: 0;
    padding: var(--space-sm) 0 var(--space-md);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    flex: 1 0 auto;
  }
}

@media (max-width: 760px) {
  .metric-grid,
  .status-grid,
  .feature-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .countdown-footer,
  .footer-meta {
    align-items: stretch;
    flex-direction: column;
  }

  .countdown-footer .text-link {
    align-self: flex-start;
  }

  .scroll-guidance {
    display: block;
  }

  .cycle-description {
    white-space: normal;
  }

  .cycle-card .note-list li {
    white-space: normal;
  }
}

@media (max-width: 639px) {
  .brand-copy span {
    display: none;
  }

  .language-link {
    min-width: 2.75rem;
    padding-inline: var(--space-xs);
    font-size: 0;
  }

  .language-link::after {
    content: attr(data-short-label);
    font-size: 0.75rem;
  }

  .analysis-card,
  .content-card,
  .countdown-card {
    padding: var(--space-md);
    border-radius: var(--radius-lg);
  }

  .cycle-card > h2 {
    padding-right: 0;
  }

  .cycle-methodology-link {
    position: static;
    width: max-content;
    margin: 0 0 var(--space-sm) auto;
  }

  .countdown-grid {
    gap: var(--space-xs);
  }

  .countdown-unit {
    padding: var(--space-sm) var(--space-xs);
    border-radius: var(--radius-md);
  }

  .countdown-value {
    font-size: clamp(1.55rem, 10vw, 2.5rem);
  }

  .countdown-label {
    font-size: 0.75rem;
  }

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

  .metric:first-child {
    grid-column: 1 / -1;
  }

  .chart-scroll {
    margin-inline: calc(var(--space-md) * -1);
    padding-inline: var(--space-md);
  }

  .legend {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}