.cost-page {
    color-scheme: light;
    --cost-ink: #1d1d1f;
    --cost-muted: #515154;
    --cost-subtle: #86868b;
    --cost-surface: rgba(255, 255, 255, 0.78);
    --cost-surface-strong: rgba(255, 255, 255, 0.92);
    --cost-line: rgba(15, 23, 42, 0.08);
    --cost-shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
    --cost-shadow-soft: 0 12px 40px rgba(15, 23, 42, 0.06);
    --cost-accent: linear-gradient(135deg, #0071e3 0%, #4da3ff 100%);
    --cost-accent-solid: #0071e3;
    --cost-accent-soft: rgba(0, 113, 227, 0.1);
    --cost-panel-radius: 34px;
    background:
        radial-gradient(circle at top left, rgba(0, 113, 227, 0.09), transparent 32%),
        linear-gradient(180deg, #f4f5f7 0%, #ffffff 30%, #f6f7fa 100%);
    color: var(--cost-ink);
    overflow-x: clip;
}

.cost-page .page-main.cost-main {
    width: min(1280px, calc(100% - 2rem));
    gap: clamp(1.5rem, 3vw, 2.5rem);
}

.cost-page .cost-top-card {
    padding: 1rem 0 0.25rem;
}

.cost-page .cost-top-card__inner {
    max-width: 880px;
    margin: 0 auto;
    padding: clamp(1.6rem, 4vw, 2.8rem);
    border-radius: 32px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.82));
    border: 1px solid rgba(255, 255, 255, 0.76);
    box-shadow: 0 22px 54px rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    text-align: center;
}

.cost-page .cost-top-card__inner .page-breadcrumbs {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    justify-content: center;
    margin-bottom: 1rem;
    text-align: center;
}

.cost-page .cost-top-card__eyebrow {
    margin: 0;
    color: var(--cost-muted);
    font-size: 0.79rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.cost-page .cost-top-card__title {
    margin: 0.7rem 0 0;
    font-size: clamp(2rem, 6vw, 3.9rem);
    line-height: 1.04;
    letter-spacing: -0.05em;
    font-weight: 700;
    color: var(--cost-ink);
}

.cost-page .cost-top-card__lead {
    margin: 0.95rem auto 0;
    max-width: 40rem;
    color: #4b5563;
    font-size: clamp(1rem, 2vw, 1.15rem);
    line-height: 1.8;
}

.cost-page .cost-top-card__actions {
    justify-content: center;
    margin-top: 1.4rem;
}

.cost-page .cost-top-card__summary-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.9rem;
    margin-top: 1.3rem;
}

.cost-page .cost-top-metric {
    padding: 1rem 1.05rem;
    border-radius: 24px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(255, 255, 255, 0.82);
    box-shadow: var(--cost-shadow-soft);
    text-align: left;
}

.cost-page .cost-top-metric--base {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.12) 0%, rgba(77, 163, 255, 0.18) 100%);
}

.cost-page .cost-top-metric__label,
.cost-page .cost-glance-card__eyebrow,
.cost-page .cost-composition-card__eyebrow,
.cost-page .cost-market-card__eyebrow {
    margin: 0;
    color: var(--cost-subtle);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cost-page .cost-top-metric__value {
    margin: 0.55rem 0 0;
    color: var(--cost-ink);
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    font-size: clamp(1.2rem, 2vw, 1.75rem);
    line-height: 1.12;
    letter-spacing: -0.04em;
    font-weight: 700;
}

.cost-page .cost-top-metric__sub,
.cost-page .cost-glance-card__note,
.cost-page .cost-market-card__note,
.cost-page .cost-composition-card__note {
    margin: 0.45rem 0 0;
    color: var(--cost-muted);
    font-size: 0.9rem;
    line-height: 1.7;
}

.cost-page .cost-top-card__picker {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.cost-page .cost-top-card__picker-label {
    margin: 0 0 0.75rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
}

.cost-page .cost-top-card__picker-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.7rem;
}

.cost-page .cost-top-card__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 10rem;
    padding: 0.8rem 1.2rem;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #ffffff;
    color: var(--cost-ink);
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.05);
}

.cost-page .cost-top-card__link:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.18);
    box-shadow: 0 14px 24px rgba(15, 23, 42, 0.09);
}

.cost-page .cost-hero,
.cost-page .cost-summary,
.cost-page .cost-section,
.cost-page .cost-closing {
    position: relative;
    overflow: hidden;
    padding: clamp(1.5rem, 4vw, 3rem);
    border-radius: var(--cost-panel-radius);
    border: 1px solid rgba(255, 255, 255, 0.85);
    background: var(--cost-surface);
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    box-shadow: var(--cost-shadow);
}

.cost-page .cost-hero::before,
.cost-page .cost-section::before,
.cost-page .cost-summary::before,
.cost-page .cost-closing::before {
    content: "";
    position: absolute;
    inset: auto auto -30% -12%;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 72%);
    pointer-events: none;
}

.cost-page .cost-hero::after {
    content: "";
    position: absolute;
    top: -10%;
    right: -8%;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.16) 0%, rgba(0, 113, 227, 0) 68%);
    pointer-events: none;
}

.cost-page .cost-hero__meta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.92);
    color: var(--cost-muted);
    font-size: 0.84rem;
}

.cost-page .cost-hero__meta::before {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--cost-accent-solid);
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.12);
}

.cost-page .cost-hero__utility {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.9rem;
    align-items: center;
    margin-bottom: 1rem;
}

.cost-page .cost-segmented {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    max-width: 100%;
}

.cost-page .cost-hero__grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 0.9fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: start;
}

.cost-page .cost-eyebrow,
.cost-page .cost-section__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    margin-bottom: 0.9rem;
    color: var(--cost-accent-solid);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.cost-page .cost-eyebrow::before,
.cost-page .cost-section__eyebrow::before {
    content: "";
    width: 2.4rem;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 113, 227, 0.95), rgba(0, 113, 227, 0));
}

.cost-page .cost-hero h1 {
    max-width: 11ch;
    margin: 0;
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    font-size: clamp(2.8rem, 7vw, 5.8rem);
    line-height: 0.98;
    letter-spacing: -0.06em;
    color: var(--cost-ink);
}

.cost-page .cost-hero__lead,
.cost-page .cost-hero__support,
.cost-page .cost-section__lead,
.cost-page .cost-prose p,
.cost-page .cost-summary__list li,
.cost-page .cost-callout p,
.cost-page .cost-source-list a,
.cost-page .cost-source-card p,
.cost-page .cost-table-note,
.cost-page .cost-section__caption {
    color: var(--cost-muted);
    line-height: 1.95;
    font-size: 1rem;
}

.cost-page .cost-hero__lead {
    max-width: 58ch;
    margin: 1.4rem 0 0;
    font-size: 1.08rem;
}

.cost-page .cost-hero__support {
    max-width: 58ch;
    margin: 1rem 0 0;
}

.cost-page .cost-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 1.5rem;
}

.cost-page .cost-hero__anchors {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.6rem;
}

.cost-page .cost-hero__anchors a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.94);
    box-shadow: var(--cost-shadow-soft);
    color: var(--cost-ink);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.cost-page .cost-hero__anchors a:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
    color: var(--cost-accent-solid);
}

.cost-page .cost-hero__panel {
    position: relative;
    z-index: 1;
    padding: 1.5rem;
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.96);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(247, 248, 250, 0.88) 100%);
    box-shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
}

.cost-page .cost-hero__panel-label {
    margin: 0;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--cost-subtle);
}

.cost-page .cost-hero__headline-number {
    margin: 0.8rem 0 1rem;
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    font-size: clamp(2rem, 4vw, 3.2rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
    color: var(--cost-ink);
}

.cost-page .cost-hero__metrics {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.9rem;
}

.cost-page .cost-hero__metrics li {
    padding-top: 0.9rem;
    border-top: 1px solid var(--cost-line);
    color: var(--cost-muted);
    line-height: 1.8;
}

.cost-page .cost-hero__metrics strong {
    display: block;
    color: var(--cost-ink);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.cost-page .cost-summary {
    z-index: 1;
}

.cost-page .cost-summary__header {
    max-width: 64ch;
}

.cost-page .cost-summary h2,
.cost-page .cost-section h2,
.cost-page .cost-closing h2 {
    margin: 0;
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    font-size: clamp(2rem, 4vw, 3.6rem);
    line-height: 1.05;
    letter-spacing: -0.05em;
    color: var(--cost-ink);
}

.cost-page .cost-summary__lead,
.cost-page .cost-section__lead {
    max-width: 66ch;
    margin-top: 1rem;
}

.cost-page .cost-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.cost-page .cost-glance-card,
.cost-page .cost-market-card,
.cost-page .cost-method-card {
    padding: clamp(1.25rem, 3vw, 1.8rem);
}

.cost-page .cost-summary__list {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1rem;
}

.cost-page .cost-summary__list li {
    padding: 1.2rem 1.3rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.96);
    box-shadow: var(--cost-shadow-soft);
}

.cost-page .cost-summary__list strong {
    color: var(--cost-ink);
}

.cost-page .cost-section {
    scroll-margin-top: 140px;
}

.cost-page .cost-section--soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.82) 0%, rgba(248, 249, 252, 0.92) 100%);
}

.cost-page .cost-section__intro {
    max-width: 72ch;
}

.cost-page .cost-card {
    border-radius: 28px;
    border: 1px solid rgba(255, 255, 255, 0.96);
    background: var(--cost-surface-strong);
    box-shadow: var(--cost-shadow-soft);
}

.cost-page .cost-dashboard {
    display: grid;
    gap: 1.2rem;
    margin-top: 1.75rem;
}

.cost-page .cost-toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.cost-page .cost-toolbar__meta,
.cost-page .cost-toolbar__label {
    margin: 0;
    color: var(--cost-subtle);
    font-size: 0.94rem;
}

.cost-page .cost-mini-bars,
.cost-page .cost-initial-bars,
.cost-page .cost-market-startup,
.cost-page .cost-step-list,
.cost-page .cost-stat-pair,
.cost-page .cost-data-points {
    display: grid;
    gap: 0.8rem;
    margin-top: 1rem;
}

.cost-page .cost-mini-bars__row,
.cost-page .cost-initial-bars__row,
.cost-page .cost-market-startup__row {
    display: grid;
    grid-template-columns: minmax(86px, 110px) minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.cost-page .cost-mini-bars__row span,
.cost-page .cost-initial-bars__row span,
.cost-page .cost-market-startup__row span,
.cost-page .cost-stat-pair__item span,
.cost-page .cost-data-point span {
    color: var(--cost-subtle);
    font-size: 0.84rem;
    font-weight: 700;
}

.cost-page .cost-mini-bars__row strong,
.cost-page .cost-initial-bars__row strong,
.cost-page .cost-market-startup__row strong,
.cost-page .cost-stat-pair__item strong,
.cost-page .cost-data-point strong {
    color: var(--cost-ink);
    font-weight: 700;
}

.cost-page .cost-mini-bars__track,
.cost-page .cost-initial-bars__track,
.cost-page .cost-market-startup__track,
.cost-page .cost-market-scale__track {
    position: relative;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.cost-page .cost-mini-bars__track,
.cost-page .cost-initial-bars__track,
.cost-page .cost-market-startup__track {
    height: 12px;
}

.cost-page .cost-mini-bars__fill,
.cost-page .cost-initial-bars__fill,
.cost-page .cost-market-startup__fill {
    display: block;
    height: 100%;
    border-radius: inherit;
}

.cost-page .cost-mini-bars__fill--seiun,
.cost-page .cost-initial-bars__fill--seiun,
.cost-page .cost-market-startup__fill--seiun {
    background: linear-gradient(135deg, #0071e3 0%, #5ac8fa 100%);
}

.cost-page .cost-mini-bars__fill--tokyo {
    background: linear-gradient(135deg, #1d1d1f 0%, #5f6368 100%);
}

.cost-page .cost-mini-bars__fill--toyama {
    background: linear-gradient(135deg, #8b5cf6 0%, #d8b4fe 100%);
}

.cost-page .cost-initial-bars__fill--mid,
.cost-page .cost-market-startup__fill--mid {
    background: linear-gradient(135deg, #fb923c 0%, #fbbf24 100%);
}

.cost-page .cost-initial-bars__fill--high,
.cost-page .cost-market-startup__fill--high,
.cost-page .cost-mini-bars__range {
    background: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
}

.cost-page .cost-mini-bars__range {
    position: absolute;
    top: 0;
    bottom: 0;
    border-radius: inherit;
    box-shadow: 0 10px 24px rgba(249, 115, 22, 0.18);
}

.cost-page .cost-stat-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cost-page .cost-stat-pair__item,
.cost-page .cost-data-point,
.cost-page .cost-step-list__item {
    padding: 0.95rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(15, 23, 42, 0.06);
    background: rgba(255, 255, 255, 0.76);
}

.cost-page .cost-stat-pair__item strong,
.cost-page .cost-data-point strong {
    display: block;
    margin-top: 0.25rem;
    font-size: 1rem;
    line-height: 1.55;
}

.cost-page .cost-step-list__item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.cost-page .cost-step-list__item span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.9rem;
    height: 1.9rem;
    border-radius: 999px;
    background: var(--cost-accent);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
    flex-shrink: 0;
}

.cost-page .cost-step-list__item strong {
    color: var(--cost-ink);
    font-size: 1rem;
}

.cost-page .cost-segmented,
.cost-page .cost-chip-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
}

.cost-page .cost-segmented button,
.cost-page .cost-chip-group button {
    min-height: 2.65rem;
    padding: 0.7rem 1rem;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: var(--cost-muted);
    font-size: 0.94rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.cost-page .cost-segmented button:hover,
.cost-page .cost-chip-group button:hover {
    color: var(--cost-ink);
}

.cost-page .cost-segmented button.is-active,
.cost-page .cost-chip-group button.is-active {
    background: #ffffff;
    color: var(--cost-ink);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.cost-page .cost-chart {
    padding: clamp(1.25rem, 3vw, 2rem);
}

.cost-page .cost-chart__title {
    margin-bottom: 1.2rem;
    color: var(--cost-ink);
    font-size: 1.15rem;
    font-weight: 700;
}

.cost-page .cost-bar-chart {
    display: grid;
    gap: 1rem;
}

.cost-page .cost-bar-row {
    display: grid;
    grid-template-columns: minmax(180px, 230px) minmax(0, 1fr) minmax(150px, 180px);
    gap: 1rem;
    align-items: center;
}

.cost-page .cost-bar-row__head strong,
.cost-page .cost-table-card h3,
.cost-page .cost-callout h3,
.cost-page .cost-glance-card h3,
.cost-page .cost-market-card h3,
.cost-page .cost-method-card h3,
.cost-page .cost-prose-card h3,
.cost-page .cost-source-card h3 {
    display: block;
    color: var(--cost-ink);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.15rem;
}

.cost-page .cost-bar-row__head span,
.cost-page .cost-bar-row__numbers span,
.cost-page .cost-legend__label,
.cost-page .cost-market-table td,
.cost-page .cost-market-table th,
.cost-page .cost-matrix td,
.cost-page .cost-matrix th,
.cost-page .cost-prose-card li,
.cost-page .cost-source-list li {
    color: var(--cost-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

.cost-page .cost-bar-row__track {
    position: relative;
    height: 8px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.08);
    overflow: visible;
}

.cost-page .cost-bar-row__fill,
.cost-page .cost-bar-row__range {
    position: absolute;
    inset: 0 auto 0 0;
    border-radius: 999px;
    transition: width 0.5s ease, left 0.5s ease;
}

.cost-page .cost-bar-row__fill {
    width: 0 !important;
    opacity: 0;
}

.cost-page .cost-bar-row__point {
    position: absolute;
    top: 50%;
    left: 0;
    width: 18px;
    height: 18px;
    border-radius: 999px;
    border: 3px solid rgba(255, 255, 255, 0.92);
    transform: translate(-50%, -50%);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.16);
    transition: left 0.5s ease, opacity 0.3s ease, box-shadow 0.3s ease;
}

.cost-page .cost-bar-row[data-scenario="seiun"] .cost-bar-row__point {
    background: #0071e3;
}

.cost-page .cost-bar-row[data-scenario="tokyo"] .cost-bar-row__point {
    background: #2f3640;
}

.cost-page .cost-bar-row[data-scenario="toyama"] .cost-bar-row__point {
    background: #8b5cf6;
}

.cost-page .cost-bar-row--range .cost-bar-row__range {
    left: var(--range-start, 0%);
    width: var(--range-span, 0%);
    background: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
    box-shadow: 0 10px 24px rgba(249, 115, 22, 0.22);
}

.cost-page .cost-bar-row--range .cost-bar-row__range::before,
.cost-page .cost-bar-row--range .cost-bar-row__range::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #fbbf24;
    border: 2px solid rgba(255, 255, 255, 0.92);
    transform: translateY(-50%);
}

.cost-page .cost-bar-row--range .cost-bar-row__range::before {
    left: 0;
    transform: translate(-35%, -50%);
}

.cost-page .cost-bar-row--range .cost-bar-row__range::after {
    right: 0;
    transform: translate(35%, -50%);
}

.cost-page .cost-bar-row--range .cost-bar-row__point {
    opacity: 0;
}

.cost-page .cost-bar-row__numbers {
    text-align: right;
}

.cost-page .cost-bar-row__numbers strong {
    display: block;
    color: var(--cost-ink);
    font-size: 1.05rem;
    line-height: 1.3;
    overflow-wrap: anywhere;
}

.cost-page .cost-bar-row__numbers span {
    display: block;
}

.cost-page .cost-table-card {
    padding: clamp(1.25rem, 3vw, 1.8rem);
}

.cost-page .cost-table-card__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: end;
    margin-bottom: 1rem;
}

.cost-page .cost-table-wrap {
    overflow-x: auto;
    border-radius: 22px;
    border: 1px solid rgba(15, 23, 42, 0.08);
}

.cost-page .cost-matrix,
.cost-page .cost-market-table {
    width: 100%;
    min-width: 780px;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.9);
}

.cost-page .cost-matrix th,
.cost-page .cost-matrix td,
.cost-page .cost-market-table th,
.cost-page .cost-market-table td {
    padding: 1rem 1.1rem;
    vertical-align: top;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    text-align: left;
}

.cost-page .cost-matrix td strong,
.cost-page .cost-market-table td strong {
    color: var(--cost-ink);
}

.cost-page .cost-matrix thead th,
.cost-page .cost-market-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: rgba(247, 248, 250, 0.96);
    color: var(--cost-ink);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.cost-page .cost-matrix tbody tr:hover,
.cost-page .cost-market-table tbody tr:hover {
    background: rgba(0, 113, 227, 0.03);
}

.cost-page .cost-matrix tbody tr[data-scenario="seiun"] th,
.cost-page .cost-matrix tbody tr[data-scenario="seiun"] td:first-of-type {
    color: var(--cost-ink);
    font-weight: 700;
}

.cost-page .cost-composition-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.75rem;
}

.cost-page .cost-composition-card {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: 1rem;
    padding: clamp(1.25rem, 3vw, 1.8rem);
}

.cost-page .cost-composition-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 4px;
}

.cost-page .cost-composition-card--seiun::before {
    background: linear-gradient(135deg, #0071e3 0%, #5ac8fa 100%);
}

.cost-page .cost-composition-card--tokyo::before {
    background: linear-gradient(135deg, #1d1d1f 0%, #636366 100%);
}

.cost-page .cost-composition-card--toyama::before {
    background: linear-gradient(135deg, #8b5cf6 0%, #d8b4fe 100%);
}

.cost-page .cost-composition-card__header {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
}

.cost-page .cost-composition-card__delta {
    margin: 0;
    color: var(--cost-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.cost-page .cost-composition-card__total {
    margin: 0;
    color: var(--cost-ink);
    font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    line-height: 1.02;
    letter-spacing: -0.05em;
    font-weight: 700;
}

.cost-page .cost-composition-card__stack {
    display: flex;
    min-height: 18px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.06);
}

.cost-page .cost-composition-card__segment {
    display: block;
    height: 18px;
}

.cost-page .cost-composition-card__segment--housing {
    background: linear-gradient(135deg, #0071e3 0%, #5ac8fa 100%);
}

.cost-page .cost-composition-card__segment--food {
    background: linear-gradient(135deg, #1d1d1f 0%, #636366 100%);
}

.cost-page .cost-composition-card__segment--living {
    background: linear-gradient(135deg, #a855f7 0%, #d8b4fe 100%);
}

.cost-page .cost-composition-list {
    display: grid;
    gap: 0;
    margin: 0;
}

.cost-page .cost-composition-list div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1rem;
    align-items: center;
    padding: 0.8rem 0;
    border-top: 1px solid var(--cost-line);
}

.cost-page .cost-composition-list dt,
.cost-page .cost-composition-list dd {
    margin: 0;
}

.cost-page .cost-composition-list dt {
    color: var(--cost-muted);
    font-size: 0.92rem;
}

.cost-page .cost-composition-list dd {
    color: var(--cost-ink);
    font-size: 0.94rem;
    font-weight: 700;
}

.cost-page .cost-breakdown {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
    gap: 1.2rem;
    margin-top: 1.75rem;
}

.cost-page .cost-breakdown__main,
.cost-page .cost-breakdown__aside,
.cost-page .cost-range-note,
.cost-page .cost-prose-card,
.cost-page .cost-source-card {
    padding: clamp(1.25rem, 3vw, 1.8rem);
}

.cost-page .cost-breakdown__figure {
    margin: 1.3rem 0 0;
}

.cost-page .cost-breakdown__stack {
    display: flex;
    gap: 0.4rem;
    width: 100%;
    min-height: 84px;
}

.cost-page .cost-stack__segment {
    min-width: 70px;
    border-radius: 22px;
    transition: flex-basis 0.4s ease;
}

.cost-page .cost-stack__segment--housing {
    background: linear-gradient(135deg, #0071e3 0%, #5ac8fa 100%);
}

.cost-page .cost-stack__segment--food {
    background: linear-gradient(135deg, #1d1d1f 0%, #636366 100%);
}

.cost-page .cost-stack__segment--living {
    background: linear-gradient(135deg, #a855f7 0%, #d8b4fe 100%);
}

.cost-page .cost-breakdown__figure figcaption {
    margin-top: 1rem;
    color: var(--cost-muted);
    line-height: 1.85;
}

.cost-page .cost-breakdown__legend {
    display: grid;
    gap: 0.8rem;
    margin-top: 1.2rem;
}

.cost-page .cost-legend {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.8rem;
    align-items: center;
}

.cost-page .cost-legend__swatch {
    width: 14px;
    height: 14px;
    border-radius: 999px;
}

.cost-page .cost-legend__swatch--housing {
    background: #0071e3;
}

.cost-page .cost-legend__swatch--food {
    background: #3a3a3c;
}

.cost-page .cost-legend__swatch--living {
    background: #c084fc;
}

.cost-page .cost-legend__value {
    color: var(--cost-ink);
    font-weight: 700;
    font-size: 0.94rem;
}

.cost-page .cost-callout {
    height: 100%;
    padding: 1.5rem;
    border-radius: 28px;
    background: linear-gradient(180deg, #111214 0%, #1d1f24 100%);
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.18);
}

.cost-page .cost-callout__eyebrow {
    margin: 0 0 0.8rem;
    color: rgba(255, 255, 255, 0.68);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cost-page .cost-callout h3 {
    color: #ffffff;
    margin-bottom: 0.8rem;
}

.cost-page .cost-callout p {
    color: rgba(255, 255, 255, 0.78);
}

.cost-page .cost-prose {
    display: grid;
    gap: 1rem;
}

.cost-page .cost-reading-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
    gap: 1.2rem;
    margin-top: 1.75rem;
}

.cost-page .cost-market-grid,
.cost-page .cost-method-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.75rem;
}

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

.cost-page .cost-market-scale {
    margin-top: 1rem;
}

.cost-page .cost-market-scale__track {
    height: 18px;
}

.cost-page .cost-market-scale__range {
    position: absolute;
    top: 2px;
    bottom: 2px;
    left: 47.4%;
    width: 52.6%;
    border-radius: inherit;
    background: linear-gradient(135deg, #f97316 0%, #fbbf24 100%);
    box-shadow: 0 10px 24px rgba(249, 115, 22, 0.18);
}

.cost-page .cost-market-scale__point {
    position: absolute;
    top: 50%;
    left: 37.8%;
    width: 20px;
    height: 20px;
    border-radius: 999px;
    background: #0071e3;
    border: 3px solid rgba(255, 255, 255, 0.92);
    transform: translate(-50%, -50%);
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.18);
}

.cost-page .cost-market-scale__labels {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.9rem;
    color: var(--cost-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.cost-page .cost-pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin-top: 1rem;
}

.cost-page .cost-pill {
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0.65rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.78);
    color: var(--cost-ink);
    font-size: 0.9rem;
    font-weight: 700;
}

.cost-page .cost-range-note {
    display: grid;
    align-content: start;
    gap: 1rem;
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.95) 0%, rgba(31, 31, 31, 0.92) 100%);
}

.cost-page .cost-range-note p,
.cost-page .cost-range-note li {
    color: rgba(255, 255, 255, 0.78);
}

.cost-page .cost-range-note strong {
    color: #ffffff;
}

.cost-page .cost-range-note ul {
    margin: 0;
    padding-left: 1.2rem;
}

.cost-page .cost-source-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 1.75rem;
}

.cost-page .cost-prose-card ul {
    margin: 1rem 0 0;
    padding-left: 1.2rem;
}

.cost-page .cost-source-card {
    margin-top: 1.2rem;
}

.cost-page .cost-source-card__header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.cost-page .cost-source-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 0.7rem;
}

.cost-page .cost-source-list a {
    display: block;
    padding: 0.9rem 1rem;
    border-radius: 18px;
    background: rgba(247, 248, 250, 0.94);
    border: 1px solid rgba(15, 23, 42, 0.06);
    color: var(--cost-ink);
    text-decoration: none;
    transition: transform 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.cost-page .cost-source-list a:hover {
    transform: translateY(-2px);
    box-shadow: var(--cost-shadow-soft);
    color: var(--cost-accent-solid);
}

.cost-page .cost-closing__body {
    max-width: 72ch;
    position: relative;
    z-index: 1;
}

.cost-page .cost-closing__body p {
    margin-top: 1rem;
    color: var(--cost-muted);
    line-height: 1.95;
}

.cost-page .cost-closing .page-actions {
    margin-top: 1.6rem;
}

.cost-page .cost-closing .page-button--primary {
    background: var(--cost-accent);
}

.cost-page .cost-closing .page-button--secondary {
    background: rgba(255, 255, 255, 0.78);
}

.cost-page .cost-table-note {
    margin-top: 1rem;
}

.cost-page .cost-market-table td strong,
.cost-page .cost-matrix td strong {
    color: var(--cost-ink);
}

/* ================================================================
   NEW: Hero Vertical Bar Chart (Section 1)
   ================================================================ */

.cost-page .cost-summary--hero .cost-summary__header {
    margin-bottom: 2rem;
}

.cost-page .cost-vbar-chart {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(0.75rem, 2vw, 1.5rem);
    height: 340px;
    margin-top: 1.5rem;
}

.cost-page .cost-vbar-col {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.cost-page .cost-vbar-col__bar-wrap {
    flex: 1;
    display: flex;
    align-items: flex-end;
    border-bottom: 2px solid var(--cost-line);
}

.cost-page .cost-vbar-col__bar-wrap--range {
    flex-direction: column;
    justify-content: flex-end;
    align-items: stretch;
    gap: 0;
}

/* Single bars: animate height from 0 */
.cost-page .cost-vbar-col__bar:not(.cost-vbar-col__bar--range-top):not(.cost-vbar-col__bar--floor) {
    width: 100%;
    border-radius: 10px 10px 0 0;
    height: 0;
    transition: height 0.8s cubic-bezier(0.34, 1.08, 0.64, 1);
}

.cost-page .cost-vbar-chart.is-ready .cost-vbar-col--seiun .cost-vbar-col__bar {
    height: 37.8%;
}

.cost-page .cost-vbar-chart.is-ready .cost-vbar-col--toyama .cost-vbar-col__bar {
    height: 59.6%;
}

.cost-page .cost-vbar-chart.is-ready .cost-vbar-col--tokyo .cost-vbar-col__bar {
    height: 72.3%;
}

/* Bar colors */
.cost-page .cost-vbar-col--seiun .cost-vbar-col__bar {
    background: linear-gradient(180deg, #5ac8fa 0%, #0071e3 100%);
    box-shadow: 0 -6px 24px rgba(0, 113, 227, 0.3);
}

.cost-page .cost-vbar-col--toyama .cost-vbar-col__bar {
    background: linear-gradient(180deg, #c4b5fd 0%, #7c3aed 100%);
    opacity: 0.6;
}

.cost-page .cost-vbar-col--tokyo .cost-vbar-col__bar {
    background: linear-gradient(180deg, #9ca3af 0%, #374151 100%);
    opacity: 0.6;
}

/* Private range bars */
.cost-page .cost-vbar-col__bar--range-top {
    border-radius: 10px 10px 0 0;
    height: 0;
    background: linear-gradient(180deg, rgba(251, 191, 36, 0.55) 0%, rgba(249, 115, 22, 0.35) 100%);
    transition: height 0.8s cubic-bezier(0.34, 1.08, 0.64, 1) 0.08s;
}

.cost-page .cost-vbar-col__bar--floor {
    border-radius: 0;
    height: 0;
    background: linear-gradient(180deg, rgba(249, 115, 22, 0.75) 0%, rgba(234, 88, 12, 0.85) 100%);
    transition: height 0.8s cubic-bezier(0.34, 1.08, 0.64, 1);
}

.cost-page .cost-vbar-chart.is-ready .cost-vbar-col__bar--range-top {
    height: 52.6%;
}

.cost-page .cost-vbar-chart.is-ready .cost-vbar-col__bar--floor {
    height: 47.4%;
}

/* Labels below bars */
.cost-page .cost-vbar-col__label {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    padding-top: 0.75rem;
    text-align: center;
}

.cost-page .cost-vbar-col__label strong {
    color: var(--cost-ink);
    font-size: clamp(0.75rem, 1.2vw, 0.88rem);
    font-weight: 700;
    line-height: 1.3;
}

.cost-page .cost-vbar-col__amount {
    color: var(--cost-ink);
    font-size: clamp(0.82rem, 1.3vw, 0.96rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    overflow-wrap: anywhere;
}

.cost-page .cost-vbar-col--seiun .cost-vbar-col__amount {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--cost-accent-solid);
}

.cost-page .cost-vbar-col__badge {
    display: inline-flex;
    padding: 0.18rem 0.55rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--cost-muted);
    font-size: 0.75rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.cost-page .cost-vbar-col__badge--base {
    background: rgba(0, 113, 227, 0.1);
    color: var(--cost-accent-solid);
}

/* Savings row — no card boxes */
.cost-page .cost-savings-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(1.5rem, 5vw, 5rem);
    padding-top: 2.5rem;
    flex-wrap: wrap;
}

.cost-page .cost-savings-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
}

.cost-page .cost-savings-item__label {
    margin: 0;
    color: var(--cost-subtle);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cost-page .cost-savings-item__number {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.06em;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    color: var(--cost-ink);
    line-height: 1.05;
}

.cost-page .cost-savings-item__sub {
    margin: 0;
    color: var(--cost-muted);
    font-size: 0.88rem;
}

.cost-page .cost-savings-divider {
    width: 1px;
    height: 56px;
    background: var(--cost-line);
    flex-shrink: 0;
}

/* Mobile: switch to horizontal bars */
@media (max-width: 600px) {
    .cost-page .cost-vbar-chart {
        grid-template-columns: 1fr;
        height: auto;
        gap: 0.6rem;
        margin-top: 1rem;
    }

    .cost-page .cost-vbar-col {
        flex-direction: row;
        align-items: center;
        height: auto;
        gap: 0.75rem;
    }

    .cost-page .cost-vbar-col__bar-wrap {
        flex: 1;
        height: 28px;
        align-items: stretch;
        border-bottom: none;
        border-right: 2px solid var(--cost-line);
    }

    .cost-page .cost-vbar-col__bar-wrap--range {
        flex-direction: row;
        justify-content: flex-start;
        align-items: stretch;
    }

    .cost-page .cost-vbar-col__bar:not(.cost-vbar-col__bar--range-top):not(.cost-vbar-col__bar--floor) {
        height: 100% !important;
        width: 0;
        border-radius: 0 10px 10px 0;
        transition: width 0.8s cubic-bezier(0.34, 1.08, 0.64, 1);
    }

    .cost-page .cost-vbar-chart.is-ready .cost-vbar-col--seiun .cost-vbar-col__bar { width: 37.8%; height: 100% !important; }
    .cost-page .cost-vbar-chart.is-ready .cost-vbar-col--toyama .cost-vbar-col__bar { width: 59.6%; height: 100% !important; }
    .cost-page .cost-vbar-chart.is-ready .cost-vbar-col--tokyo .cost-vbar-col__bar { width: 72.3%; height: 100% !important; }

    .cost-page .cost-vbar-col__bar--range-top {
        height: 100%;
        width: 0;
        border-radius: 0;
        transition: width 0.8s cubic-bezier(0.34, 1.08, 0.64, 1) 0.08s;
    }

    .cost-page .cost-vbar-col__bar--floor {
        height: 100%;
        width: 0;
        border-radius: 0 10px 10px 0;
        transition: width 0.8s cubic-bezier(0.34, 1.08, 0.64, 1);
    }

    .cost-page .cost-vbar-chart.is-ready .cost-vbar-col__bar--floor { width: 47.4%; }
    .cost-page .cost-vbar-chart.is-ready .cost-vbar-col__bar--range-top { width: 52.6%; }

    .cost-page .cost-vbar-col__label {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
        flex: 0 0 min(46%, 12rem);
        min-width: 0;
        max-width: none;
        text-align: left;
        padding-top: 0;
        gap: 0.15rem;
    }

    .cost-page .cost-savings-divider {
        width: 56px;
        height: 1px;
    }
}

/* ================================================================
   NEW: Chart (Section 2) — flatten card chrome
   ================================================================ */

.cost-page .cost-chart {
    border: none;
    background: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0 0 1.5rem;
    border-bottom: 1px solid var(--cost-line);
}

/* ================================================================
   NEW: Interactive Breakdown Panel (Section 3)
   ================================================================ */

.cost-page .cost-breakdown__panel {
    padding: clamp(1.25rem, 3vw, 2rem);
    margin-top: 1.75rem;
}

.cost-page .cost-breakdown__tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--cost-line);
}

.cost-page .cost-breakdown__tab {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
    flex: 1;
    min-width: 120px;
    padding: 0.9rem 1.1rem;
    border-radius: 18px;
    border: 1px solid transparent;
    background: rgba(15, 23, 42, 0.04);
    color: var(--cost-muted);
    font-size: 0.96rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    text-align: left;
}

.cost-page .cost-breakdown__tab:hover {
    background: rgba(0, 113, 227, 0.05);
    color: var(--cost-ink);
}

.cost-page .cost-breakdown__tab.is-active {
    background: rgba(0, 113, 227, 0.08);
    color: var(--cost-accent-solid);
    border-color: rgba(0, 113, 227, 0.18);
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.1);
}

.cost-page .cost-breakdown__tab-sub {
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--cost-subtle);
    display: block;
}

.cost-page .cost-breakdown__tab.is-active .cost-breakdown__tab-sub {
    color: var(--cost-accent-solid);
    opacity: 0.75;
}

.cost-page .cost-breakdown__tab-diff {
    font-size: 0.85rem;
    font-weight: 700;
}

.cost-page .cost-breakdown__body {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.85fr);
    gap: 2rem;
    align-items: start;
}

/* Inside the panel, __main and __aside don't need their own padding */
.cost-page .cost-breakdown__panel .cost-breakdown__main,
.cost-page .cost-breakdown__panel .cost-breakdown__aside {
    padding: 0;
}

.cost-page .cost-breakdown__kicker {
    margin: 0 0 0.25rem;
    color: var(--cost-accent-solid);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.cost-page .cost-breakdown__total {
    margin: 0 0 1.25rem;
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.05em;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Noto Sans JP", sans-serif;
    color: var(--cost-ink);
    line-height: 1.05;
}

.cost-page .cost-breakdown__aside h3 {
    margin: 0 0 0.75rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cost-ink);
    line-height: 1.4;
}

.cost-page .cost-breakdown__aside p {
    margin: 0;
    color: var(--cost-muted);
    line-height: 1.9;
    font-size: 0.97rem;
}

@media (max-width: 980px) {
    .cost-page .cost-breakdown__body {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

@media (max-width: 768px) {
    .cost-page .cost-breakdown__tab {
        min-width: 0;
        padding: 0.7rem 0.9rem;
        font-size: 0.88rem;
    }
}

/* ================================================================
   NEW: Market Callout (Section 4)
   ================================================================ */

.cost-page .cost-market-callout {
    margin-top: 1.25rem;
    padding: 1.1rem 1.4rem;
    border-radius: 20px;
    background: rgba(249, 115, 22, 0.05);
    border: 1px solid rgba(249, 115, 22, 0.14);
}

.cost-page .cost-market-callout__text {
    margin: 0;
    color: var(--cost-muted);
    font-size: 0.96rem;
    line-height: 1.9;
}

.cost-page .cost-market-callout__text strong {
    color: var(--cost-ink);
}

.cost-page .cost-market-callout .cost-pill {
    background: rgba(249, 115, 22, 0.07);
    border-color: rgba(249, 115, 22, 0.15);
    color: #c2410c;
    vertical-align: middle;
    min-height: auto;
    padding: 0.2rem 0.65rem;
    font-size: 0.85rem;
}

.cost-page #market .cost-table-card {
    margin-top: 1rem;
}

@media (max-width: 980px) {
    .cost-page .cost-hero__grid,
    .cost-page .cost-breakdown,
    .cost-page .cost-reading-grid,
    .cost-page .cost-source-layout,
    .cost-page .cost-composition-grid,
    .cost-page .cost-market-grid,
    .cost-page .cost-method-grid {
        grid-template-columns: 1fr;
    }

    .cost-page .cost-top-card__summary-grid,
    .cost-page .cost-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cost-page .cost-hero h1 {
        max-width: none;
    }

    .cost-page .cost-bar-row {
        grid-template-columns: 1fr;
        gap: 0.55rem;
    }

    .cost-page .cost-bar-row__numbers {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .cost-page .page-main.cost-main {
        width: calc(100% - 1rem);
    }

    .cost-page .cost-top-card__inner {
        padding: 1.25rem;
        border-radius: 24px;
    }

    .cost-page .cost-hero,
    .cost-page .cost-summary,
    .cost-page .cost-section,
    .cost-page .cost-closing {
        padding: 1.25rem;
        border-radius: 24px;
    }

    .cost-page .cost-hero__panel,
    .cost-page .cost-card,
    .cost-page .cost-callout {
        border-radius: 22px;
    }

    .cost-page .cost-hero__anchors,
    .cost-page .cost-hero__actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cost-page .cost-hero__utility {
        align-items: stretch;
    }

    .cost-page .cost-toolbar {
        align-items: stretch;
    }

    .cost-page .cost-segmented {
        width: 100%;
        justify-content: stretch;
    }

    .cost-page .cost-segmented button {
        flex: 1 1 0;
    }

    .cost-page .cost-hero__anchors a,
    .cost-page .page-button {
        width: 100%;
        justify-content: center;
    }

    .cost-page .cost-chart,
    .cost-page .cost-table-card,
    .cost-page .cost-glance-card,
    .cost-page .cost-market-card,
    .cost-page .cost-method-card,
    .cost-page .cost-composition-card,
    .cost-page .cost-breakdown__main,
    .cost-page .cost-breakdown__aside,
    .cost-page .cost-range-note,
    .cost-page .cost-prose-card,
    .cost-page .cost-source-card {
        padding: 1.1rem;
    }

    .cost-page .cost-top-card__summary-grid,
    .cost-page .cost-summary-grid,
    .cost-page .cost-stat-pair {
        grid-template-columns: 1fr;
    }

    .cost-page .cost-mini-bars__row,
    .cost-page .cost-initial-bars__row,
    .cost-page .cost-market-startup__row {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .cost-page .cost-market-scale__labels {
        flex-direction: column;
    }

    .cost-page .cost-matrix,
    .cost-page .cost-market-table {
        min-width: 640px;
    }
}

@media (max-width: 640px) {
    .cost-page .cost-table-wrap {
        overflow: visible;
        border: none;
        border-radius: 0;
        background: transparent;
    }

    .cost-page .cost-matrix,
    .cost-page .cost-market-table {
        display: block;
        min-width: 0;
        background: transparent;
    }

    .cost-page .cost-matrix thead,
    .cost-page .cost-market-table thead {
        display: none;
    }

    .cost-page .cost-matrix tbody,
    .cost-page .cost-market-table tbody {
        display: grid;
        gap: 0.9rem;
    }

    .cost-page .cost-matrix tr,
    .cost-page .cost-market-table tr {
        display: grid;
        gap: 0.75rem;
        padding: 1rem;
        border: 1px solid rgba(15, 23, 42, 0.08);
        border-radius: 20px;
        background: var(--cost-surface-strong);
        box-shadow: var(--cost-shadow-soft);
    }

    .cost-page .cost-matrix tbody tr:hover,
    .cost-page .cost-market-table tbody tr:hover {
        background: var(--cost-surface-strong);
    }

    .cost-page .cost-matrix th,
    .cost-page .cost-market-table th,
    .cost-page .cost-matrix td,
    .cost-page .cost-market-table td {
        display: grid;
        grid-template-columns: minmax(7rem, 8.25rem) minmax(0, 1fr);
        gap: 0.75rem;
        padding: 0;
        border-bottom: none;
        text-align: left;
        overflow-wrap: anywhere;
    }

    .cost-page .cost-matrix th[scope="row"],
    .cost-page .cost-market-table th[scope="row"] {
        grid-template-columns: 1fr;
        padding-bottom: 0.35rem;
        border-bottom: 1px solid var(--cost-line);
        color: var(--cost-ink);
        font-size: 1rem;
        font-weight: 700;
    }

    .cost-page .cost-matrix td::before,
    .cost-page .cost-market-table td::before {
        content: attr(data-label);
        color: var(--cost-subtle);
        font-size: 0.78rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }
}

@media (max-width: 560px) {
    .cost-page .cost-breakdown__tab {
        flex-basis: 100%;
    }

    .cost-page .cost-breakdown__stack {
        min-height: 68px;
    }

    .cost-page .cost-stack__segment {
        min-width: 0;
        border-radius: 18px;
    }

    .cost-page .cost-legend {
        grid-template-columns: auto minmax(0, 1fr);
        align-items: start;
    }

    .cost-page .cost-legend__value {
        grid-column: 2;
    }

    .cost-page .cost-market-callout {
        padding: 1rem;
    }

    .cost-page .cost-market-callout__text,
    .cost-page .cost-top-card__lead,
    .cost-page .cost-summary__lead,
    .cost-page .cost-section__lead {
        font-size: 0.96rem;
        line-height: 1.8;
    }
}

.cost-page[data-cost-theme="light"] {
    color-scheme: light;
}

.cost-page[data-cost-theme="light"] .header,
.cost-page[data-cost-theme="light"] .nav-container {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(255, 255, 255, 0.48);
    box-shadow: none;
}

.cost-page[data-cost-theme="light"] .additional-nav {
    background: rgba(242, 242, 247, 0.42);
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.cost-page[data-cost-theme="light"] .nav-link,
.cost-page[data-cost-theme="light"] .additional-nav a {
    color: #1d1d1f;
}

.cost-page[data-cost-theme="light"] .nav-link:hover,
.cost-page[data-cost-theme="light"] .additional-nav a:hover,
.cost-page[data-cost-theme="light"] .additional-nav a[aria-current="page"] {
    color: var(--cost-accent-solid);
}

.cost-page[data-cost-theme="light"] .hamburger span {
    background: var(--cost-accent-solid);
}

.cost-page[data-cost-theme="light"] .page-button--secondary,
.cost-page[data-cost-theme="light"] .cost-closing .page-button--secondary {
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(15, 23, 42, 0.08);
    color: var(--cost-ink);
    box-shadow: 0 8px 18px rgba(15, 23, 42, 0.05);
}

.cost-page[data-cost-theme="dark"] {
    color-scheme: dark;
    --cost-ink: #f5f5f7;
    --cost-muted: #d2d2d7;
    --cost-subtle: #9ea2aa;
    --cost-surface: rgba(18, 20, 24, 0.88);
    --cost-surface-strong: rgba(24, 26, 32, 0.94);
    --cost-line: rgba(255, 255, 255, 0.08);
    --cost-shadow: 0 30px 90px rgba(0, 0, 0, 0.34);
    --cost-shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.24);
    background:
        radial-gradient(circle at top left, rgba(0, 113, 227, 0.18), transparent 32%),
        linear-gradient(180deg, #050608 0%, #0b0d12 30%, #12151c 100%);
}

.cost-page[data-cost-theme="dark"] .header,
.cost-page[data-cost-theme="dark"] .nav-container,
.cost-page[data-cost-theme="dark"] .additional-nav {
    background: rgba(8, 10, 14, 0.82);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
}

.cost-page[data-cost-theme="dark"] .hamburger span {
    background: #f5f5f7;
}

.cost-page[data-cost-theme="dark"] .nav-link,
.cost-page[data-cost-theme="dark"] .additional-nav a,
.cost-page[data-cost-theme="dark"] .page-breadcrumbs a,
.cost-page[data-cost-theme="dark"] .page-breadcrumbs {
    color: var(--cost-ink);
}

.cost-page[data-cost-theme="dark"] .logo-section .subtitle {
    color: var(--primary-blue-start);
}

.cost-page[data-cost-theme="dark"] .logo-section .site-name,
.cost-page[data-cost-theme="dark"] .seiun-title {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cost-page[data-cost-theme="dark"] .nav-link:hover,
.cost-page[data-cost-theme="dark"] .additional-nav a:hover,
.cost-page[data-cost-theme="dark"] .additional-nav a[aria-current="page"],
.cost-page[data-cost-theme="dark"] .page-breadcrumbs a:hover {
    color: #7cc0ff;
}

.cost-page[data-cost-theme="dark"] .cost-hero,
.cost-page[data-cost-theme="dark"] .cost-summary,
.cost-page[data-cost-theme="dark"] .cost-section,
.cost-page[data-cost-theme="dark"] .cost-closing {
    border-color: rgba(255, 255, 255, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-top-card__inner {
    background: rgba(15, 23, 42, 0.9);
    border-color: rgba(148, 163, 184, 0.16);
    box-shadow: 0 16px 40px rgba(2, 6, 23, 0.3);
}

.cost-page[data-cost-theme="dark"] .cost-top-card__title {
    color: #eff6ff;
}

.cost-page[data-cost-theme="dark"] .cost-top-card__lead,
.cost-page[data-cost-theme="dark"] .cost-top-card__eyebrow {
    color: #c7d5e6;
}

.cost-page[data-cost-theme="dark"] .cost-top-metric {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 163, 184, 0.12);
}

.cost-page[data-cost-theme="dark"] .cost-top-metric--base {
    background: linear-gradient(135deg, rgba(0, 113, 227, 0.22) 0%, rgba(77, 163, 255, 0.16) 100%);
}

.cost-page[data-cost-theme="dark"] .cost-top-metric__label,
.cost-page[data-cost-theme="dark"] .cost-top-metric__sub,
.cost-page[data-cost-theme="dark"] .cost-glance-card__eyebrow,
.cost-page[data-cost-theme="dark"] .cost-market-card__eyebrow,
.cost-page[data-cost-theme="dark"] .cost-composition-card__eyebrow {
    color: #c7d5e6;
}

.cost-page[data-cost-theme="dark"] .cost-top-card__picker {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(148, 163, 184, 0.1);
}

.cost-page[data-cost-theme="dark"] .cost-top-card__picker-label {
    color: #e5eefb;
}

.cost-page[data-cost-theme="dark"] .cost-top-card__link {
    background: rgba(18, 28, 46, 0.85);
    border-color: rgba(148, 163, 184, 0.26);
    box-shadow: none;
    color: #e5eefb;
}

.cost-page[data-cost-theme="dark"] .cost-hero::before,
.cost-page[data-cost-theme="dark"] .cost-section::before,
.cost-page[data-cost-theme="dark"] .cost-summary::before,
.cost-page[data-cost-theme="dark"] .cost-closing::before {
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 72%);
}

.cost-page[data-cost-theme="dark"] .cost-hero__meta,
.cost-page[data-cost-theme="dark"] .cost-hero__anchors a,
.cost-page[data-cost-theme="dark"] .cost-summary__list li,
.cost-page[data-cost-theme="dark"] .cost-source-list a {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.08);
    color: var(--cost-ink);
}

.cost-page[data-cost-theme="dark"] .cost-hero__anchors a:hover,
.cost-page[data-cost-theme="dark"] .cost-source-list a:hover {
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.26);
    color: #9bd3ff;
}

.cost-page[data-cost-theme="dark"] .cost-hero__panel,
.cost-page[data-cost-theme="dark"] .cost-card,
.cost-page[data-cost-theme="dark"] .cost-table-wrap,
.cost-page[data-cost-theme="dark"] .cost-source-list a {
    border-color: rgba(255, 255, 255, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-hero__panel {
    background: linear-gradient(180deg, rgba(24, 27, 33, 0.96) 0%, rgba(17, 19, 24, 0.9) 100%);
    box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.cost-page[data-cost-theme="dark"] .cost-prose-card,
.cost-page[data-cost-theme="dark"] .cost-source-card {
    background: rgba(18, 21, 27, 0.94);
}

.cost-page[data-cost-theme="dark"] .cost-glance-card,
.cost-page[data-cost-theme="dark"] .cost-market-card,
.cost-page[data-cost-theme="dark"] .cost-method-card,
.cost-page[data-cost-theme="dark"] .cost-composition-card,
.cost-page[data-cost-theme="dark"] .cost-stat-pair__item,
.cost-page[data-cost-theme="dark"] .cost-data-point,
.cost-page[data-cost-theme="dark"] .cost-step-list__item,
.cost-page[data-cost-theme="dark"] .cost-pill {
    background: rgba(18, 21, 27, 0.94);
    border-color: rgba(255, 255, 255, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-segmented,
.cost-page[data-cost-theme="dark"] .cost-chip-group {
    background: rgba(255, 255, 255, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-segmented button.is-active,
.cost-page[data-cost-theme="dark"] .cost-chip-group button.is-active {
    background: rgba(255, 255, 255, 0.12);
    color: var(--cost-ink);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}

.cost-page[data-cost-theme="dark"] .cost-bar-row__track {
    background: rgba(255, 255, 255, 0.12);
}

.cost-page[data-cost-theme="dark"] .cost-mini-bars__track,
.cost-page[data-cost-theme="dark"] .cost-initial-bars__track,
.cost-page[data-cost-theme="dark"] .cost-market-startup__track,
.cost-page[data-cost-theme="dark"] .cost-market-scale__track,
.cost-page[data-cost-theme="dark"] .cost-composition-card__stack {
    background: rgba(255, 255, 255, 0.12);
}

.cost-page[data-cost-theme="dark"] .cost-bar-row__point {
    border-color: rgba(17, 19, 24, 0.92);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
}

.cost-page[data-cost-theme="dark"] .cost-market-scale__point {
    border-color: rgba(17, 19, 24, 0.92);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32);
}

.cost-page[data-cost-theme="dark"] .cost-bar-row--range .cost-bar-row__range::before,
.cost-page[data-cost-theme="dark"] .cost-bar-row--range .cost-bar-row__range::after {
    border-color: rgba(17, 19, 24, 0.92);
}

.cost-page[data-cost-theme="dark"] .cost-matrix,
.cost-page[data-cost-theme="dark"] .cost-market-table {
    background: rgba(11, 13, 17, 0.94);
}

.cost-page[data-cost-theme="dark"] .cost-matrix tr,
.cost-page[data-cost-theme="dark"] .cost-market-table tr {
    border-color: rgba(255, 255, 255, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-matrix thead th,
.cost-page[data-cost-theme="dark"] .cost-market-table thead th {
    background: rgba(20, 23, 29, 0.98);
    color: var(--cost-ink);
}

.cost-page[data-cost-theme="dark"] .cost-toolbar__meta,
.cost-page[data-cost-theme="dark"] .cost-toolbar__label,
.cost-page[data-cost-theme="dark"] .cost-section__caption,
.cost-page[data-cost-theme="dark"] .cost-breakdown__figure figcaption,
.cost-page[data-cost-theme="dark"] .cost-table-note,
.cost-page[data-cost-theme="dark"] .cost-prose p,
.cost-page[data-cost-theme="dark"] .cost-source-card p,
.cost-page[data-cost-theme="dark"] .cost-bar-row__head span,
.cost-page[data-cost-theme="dark"] .cost-bar-row__numbers span,
.cost-page[data-cost-theme="dark"] .cost-legend__label,
.cost-page[data-cost-theme="dark"] .cost-prose-card li,
.cost-page[data-cost-theme="dark"] .cost-source-list li,
.cost-page[data-cost-theme="dark"] .cost-matrix td,
.cost-page[data-cost-theme="dark"] .cost-market-table td,
.cost-page[data-cost-theme="dark"] .cost-matrix tbody th,
.cost-page[data-cost-theme="dark"] .cost-market-table tbody th {
    color: #d7dbe4;
}

.cost-page[data-cost-theme="dark"] .cost-hero__panel-label,
.cost-page[data-cost-theme="dark"] .cost-callout__eyebrow {
    color: #bcc2cf;
}

.cost-page[data-cost-theme="dark"] .cost-matrix tbody tr:hover,
.cost-page[data-cost-theme="dark"] .cost-market-table tbody tr:hover {
    background: rgba(0, 113, 227, 0.08);
}

.cost-page[data-cost-theme="dark"] .cost-callout {
    background: linear-gradient(180deg, #06080b 0%, #12161d 100%);
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.32);
}

.cost-page[data-cost-theme="dark"] .cost-section--soft {
    background: linear-gradient(180deg, rgba(20, 23, 31, 0.88) 0%, rgba(16, 19, 26, 0.94) 100%);
}

.cost-page[data-cost-theme="dark"] .cost-range-note {
    background: linear-gradient(180deg, rgba(6, 8, 11, 0.98) 0%, rgba(17, 20, 27, 0.96) 100%);
}

/* --- Dark mode: hero chart --- */
.cost-page[data-cost-theme="dark"] .cost-vbar-col__badge {
    background: rgba(255, 255, 255, 0.08);
    color: var(--cost-muted);
}

.cost-page[data-cost-theme="dark"] .cost-vbar-col__badge--base {
    background: rgba(0, 113, 227, 0.2);
    color: #7cc0ff;
}

.cost-page[data-cost-theme="dark"] .cost-vbar-col__bar-wrap {
    border-bottom-color: rgba(255, 255, 255, 0.1);
    border-right-color: rgba(255, 255, 255, 0.1);
}

.cost-page[data-cost-theme="dark"] .cost-savings-divider {
    background: rgba(255, 255, 255, 0.1);
}

/* --- Dark mode: breakdown panel --- */
.cost-page[data-cost-theme="dark"] .cost-breakdown__tab {
    background: rgba(255, 255, 255, 0.04);
    color: var(--cost-muted);
    border-color: transparent;
}

.cost-page[data-cost-theme="dark"] .cost-breakdown__tab:hover {
    background: rgba(0, 113, 227, 0.08);
    color: var(--cost-ink);
}

.cost-page[data-cost-theme="dark"] .cost-breakdown__tab.is-active {
    background: rgba(0, 113, 227, 0.14);
    color: #7cc0ff;
    border-color: rgba(0, 113, 227, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.24);
}

.cost-page[data-cost-theme="dark"] .cost-breakdown__tab.is-active .cost-breakdown__tab-sub {
    color: #7cc0ff;
}

.cost-page[data-cost-theme="dark"] .cost-breakdown__tabs {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

/* --- Dark mode: market callout --- */
.cost-page[data-cost-theme="dark"] .cost-market-callout {
    background: rgba(249, 115, 22, 0.07);
    border-color: rgba(249, 115, 22, 0.18);
}

.cost-page[data-cost-theme="dark"] .cost-market-callout .cost-pill {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
    color: #fb923c;
}

.cost-page[data-cost-theme="dark"] .page-button--secondary,
.cost-page[data-cost-theme="dark"] .cost-closing .page-button--secondary {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--cost-ink);
    box-shadow: none;
}

.cost-page[data-cost-theme="dark"] .page-button--primary,
.cost-page[data-cost-theme="dark"] .cost-closing .page-button--primary {
    box-shadow: 0 10px 28px rgba(0, 113, 227, 0.3);
}

.cost-page[data-cost-theme="dark"] .footer {
    background: linear-gradient(180deg, #05070b 0%, #0b0d14 50%, #05070b 100%);
}

.cost-page[data-cost-theme="dark"] .footer-bottom {
    border-top-color: rgba(255, 255, 255, 0.08);
    color: #8f95a3;
}

.cost-page[data-cost-theme="dark"] .footer-keywords {
    color: #7a8091;
}

@media (prefers-reduced-motion: reduce) {
    .cost-page .cost-hero__anchors a,
    .cost-page .cost-segmented button,
    .cost-page .cost-chip-group button,
    .cost-page .cost-bar-row__fill,
    .cost-page .cost-bar-row__range,
    .cost-page .cost-bar-row__point,
    .cost-page .cost-source-list a {
        transition: none !important;
    }
}