/* V7 explanation pages extend the preserved v6 pine-paper system. */
.main-nav { gap: 19px; }
.header-inner { gap: 22px; }
.footer-grid { grid-template-columns: 1.35fr repeat(4, 1fr); }
.concept-page main h1, .concept-page main h2, .concept-page main h3 { margin: 0; }
.concept-page main h1 { font-size: clamp(36px, 4.1vw, 60px); line-height: 1.19; letter-spacing: -.055em; font-weight: 650; }
.concept-page main h2, .home-concepts h2 { font-size: clamp(28px, 3vw, 40px); line-height: 1.3; letter-spacing: -.04em; font-weight: 650; }
.concept-page main h3 { font-size: 21px; line-height: 1.5; font-weight: 650; }
.concept-page main p { color: var(--body); line-height: 1.85; }
.concept-hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 70px; padding-block: 40px 72px; align-items: center; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 12px; color: var(--muted); margin-bottom: 40px; }
.breadcrumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--body); text-underline-offset: 5px; }
.concept-hero .eyebrow { font-size: 11px; letter-spacing: .12em; margin: 0 0 20px; }
.concept-lead { max-width: 33em; font-size: 17px; margin: 24px 0 28px; }
.concept-hero .availability-note { font-size: 12px; margin: 17px 0 0; color: var(--body); }
.concept-hero .rights-note { font-size: 12px; max-width: 36em; margin-top: 8px; }
.energy-hero-art, .ownership-hero-art { padding: 30px; border: 1px solid var(--line-dark); background: var(--pine-soft); border-radius: 6px; margin-top: 35px; color: var(--pine); }
.energy-hero-art > svg, .ownership-hero-art > svg { display: block; width: 95%; margin: 18px auto 0; }
.art-caption { display: flex; justify-content: space-between; gap: 20px; font-size: 9px; letter-spacing: .07em; font-weight: 700; }
.energy-connection { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 12px 0 30px; font-size: 13px; font-weight: 650; }
.flow-line { font-size: 30px; font-weight: 400; flex: 1; text-align: center; border-bottom: 1px solid var(--line-dark); }
.charger-symbol { display: grid; place-items: center; width: 64px; height: 72px; border: 2px solid var(--pine); border-radius: 6px; text-align: center; font-size: 12px; }
.art-note { border-top: 1px solid var(--line-dark); padding-top: 22px; }
.art-note strong { font-size: 17px; }
.art-note p { font-size: 12px; margin-bottom: 0; }
.ownership-hero-art { background: var(--paper-deep); }
.ownership-route { display: flex; align-items: center; flex-direction: column; gap: 5px; padding: 4px 0 10px; font-size: 13px; }
.ownership-route strong { font-size: 22px; }
.ownership-hero-art > p { font-size: 12px; text-align: center; border-top: 1px solid var(--line-dark); padding-top: 18px; margin-bottom: 0; }
.concept-subnav { border-block: 1px solid var(--line); background: var(--white); }
.concept-subnav > div { display: flex; gap: 38px; flex-wrap: wrap; }
.concept-subnav a { display: inline-flex; align-items: center; min-height: 58px; color: var(--body); font-size: 13px; text-decoration: none; }
.concept-subnav a:hover { color: var(--pine); text-decoration: underline; text-underline-offset: 5px; }
.concept-section { padding-block: 80px; scroll-margin-top: 85px; }
.concept-heading { display: grid; grid-template-columns: 1.2fr 1fr; gap: 70px; align-items: end; margin-bottom: 38px; }
.concept-heading > p { max-width: 34em; margin: 0; font-size: 14px; }
.concept-heading .eyebrow, .split-explainer .eyebrow, .narrow-content > .eyebrow { margin: 0 0 14px; font-size: 11px; letter-spacing: .1em; }
.demo-layout { display: grid; grid-template-columns: 1.65fr 1fr; border: 1px solid var(--line-dark); background: var(--white); border-radius: 6px; overflow: hidden; }
.price-board, .share-board { padding: 28px; min-width: 0; }
.board-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 13px; }
.board-heading > span { font-size: 11px; color: var(--muted); }
.price-chart { width: 100%; display: block; margin-top: 24px; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-label { fill: var(--muted); font-size: 14px; }
.chart-point { fill: var(--pine); }
.chart-point text { font-size: 14px; font-weight: 700; }
.chart-point circle { stroke: var(--white); stroke-width: 3; }
.chart-point.is-selected circle { stroke: var(--pine); stroke-width: 6; fill: var(--white); }
.period-controls { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.period-controls button, .scenario-controls button { cursor: pointer; border: 1px solid var(--line-dark); background: var(--white); color: var(--pine); min-height: 52px; padding: 11px 6px; border-radius: 4px; }
.period-controls button strong, .period-controls button span { display: block; }
.period-controls button span { font-size: 11px; margin-top: 4px; }
.period-controls button[aria-pressed="true"], .scenario-controls button[aria-pressed="true"] { background: var(--pine); color: var(--white); border-color: var(--pine); }
.reserve-control { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 24px; }
.reserve-control label { display: flex; justify-content: space-between; font-size: 14px; font-weight: 650; }
.reserve-control output { font-size: 19px; color: var(--pine); font-variant-numeric: tabular-nums; }
.reserve-control input { display: block; padding: 0; min-height: 44px; width: 100%; margin: 8px 0 0; accent-color: var(--pine); }
.reserve-control p { font-size: 11px; margin: 0; }
.energy-outcome { background: var(--pine-soft); padding: 34px 30px; display: flex; flex-direction: column; }
.energy-outcome .section-tag { font-size: 11px; }
.energy-outcome h3 { margin: 12px 0 22px; min-height: 63px; }
.direction-readout { font-size: 23px; font-weight: 650; color: var(--pine); padding-block: 18px; border-block: 1px solid var(--line-dark); }
.energy-outcome > p { font-size: 13px; min-height: 72px; margin: 18px 0; }
.result-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 0 0 10px; }
.result-metrics dt { font-size: 11px; color: var(--body); }
.result-metrics dd { font-size: 28px; font-weight: 650; color: var(--pine); margin: 8px 0 0; font-variant-numeric: tabular-nums; }
.energy-outcome > .result-caveat { min-height: 0; font-size: 11px; margin: 12px 0; }
.text-button { padding: 8px 0; min-height: 44px; border: 0; background: transparent; text-align: left; color: var(--pine); font-size: 12px; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.energy-outcome .text-button { margin-top: auto; }
.assumptions { margin-top: 18px; border-block: 1px solid var(--line); }
.assumptions summary, .concept-faq summary { cursor: pointer; padding: 20px 4px; color: var(--ink); font-size: 14px; min-height: 44px; }
.assumptions > div { padding: 0 4px 14px; max-width: 85ch; }
.assumptions p { font-size: 12px; }
summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.comparison-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.comparison-trio article { padding: 28px; border-top: 2px solid var(--line-dark); background: var(--paper); }
.comparison-trio article.comparison-featured { background: var(--pine-soft); border-color: var(--pine); }
.large-acronym { display: block; font-size: 43px; color: var(--pine); font-weight: 500; letter-spacing: -.04em; margin-bottom: 25px; }
.comparison-trio p { margin-bottom: 0; font-size: 13px; }
.split-explainer { display: grid; grid-template-columns: 1fr 1.35fr; gap: 110px; }
.split-explainer > div > p:last-child { max-width: 29em; font-size: 14px; margin-top: 22px; }
.explanation-list { counter-reset: explanation; margin: 0; padding: 0; list-style: none; }
.explanation-list li { counter-increment: explanation; position: relative; padding: 0 0 24px 47px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.explanation-list li::before { content: counter(explanation, decimal-leading-zero); position: absolute; left: 0; top: 4px; font-size: 12px; color: var(--muted); }
.explanation-list li:last-child { margin: 0; padding-bottom: 0; border: 0; }
.explanation-list h3 { font-size: 17px; }
.explanation-list p { font-size: 13px; margin: 8px 0 0; }
.inline-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--pine); font-size: 13px; font-weight: 650; text-underline-offset: 5px; }
.narrow-content { max-width: 820px; }
.concept-faq { margin-top: 32px; border-top: 1px solid var(--line); }
.concept-faq details { border-bottom: 1px solid var(--line); }
.concept-faq p { font-size: 14px; margin: 0; padding: 0 4px 22px; }
.reading-note { margin-top: 32px; padding: 20px 24px; background: var(--paper); font-size: 12px; }
.reading-note a { display: flex; align-items: center; min-height: 44px; color: var(--pine); text-underline-offset: 4px; }
.reading-note p { font-size: 11px; margin: 0; }
.concept-closing { display: flex; justify-content: space-between; gap: 40px; align-items: center; padding-block: 64px; }
.concept-closing h2 { font-size: 30px; }
.concept-closing p { font-size: 13px; }
.share-layout { display: grid; grid-template-columns: 1fr 1.12fr; border: 1px solid var(--line-dark); border-radius: 6px; background: var(--white); overflow: hidden; }
.share-board { padding: 32px; }
.share-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 7px; margin: 28px 0 20px; }
.share-grid span { aspect-ratio: 1.5; background: var(--paper-deep); border: 1px solid var(--line-dark); border-radius: 2px; }
.share-grid span.is-owned { background: var(--pine); border-color: var(--pine); }
.share-legend { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 11px; }
.share-legend > span { display: flex; align-items: center; gap: 7px; }
.share-legend i { width: 9px; height: 9px; background: var(--pine); }
.share-board > .fine-print { font-size: 11px; }
.quantity-row { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 22px; margin-top: 20px; gap: 16px; }
.quantity-row label { font-weight: 650; font-size: 14px; }
.quantity-row input { width: 100px; min-height: 48px; padding: 10px; border: 1px solid var(--line-dark); border-radius: 4px; background: var(--white); color: var(--ink); font-size: 19px; }
.quantity-row input[aria-invalid="true"] { border-color: var(--danger); }
.input-error { color: var(--danger) !important; font-size: 12px; }
.share-ledger { padding: 32px; background: var(--paper-deep); min-height: 600px; }
.scenario-fieldset { padding: 0; border: 0; margin: 0; min-width: 0; }
.scenario-fieldset legend { padding: 0; margin-bottom: 14px; font-size: 13px; font-weight: 650; }
.scenario-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.scenario-controls button { font-size: 12px; min-height: 44px; }
.ledger-lines { margin: 26px 0; }
.ledger-lines > div { display: flex; justify-content: space-between; gap: 16px; padding-block: 11px; }
.ledger-lines dt { font-size: 13px; color: var(--body); }
.ledger-lines dd { font-size: 14px; margin: 0; font-variant-numeric: tabular-nums; font-weight: 650; }
.ledger-lines .ledger-subtotal { border-top: 1px solid var(--line-dark); margin-top: 8px; padding-top: 18px; }
.allocation-result { background: var(--pine); color: var(--white); padding: 25px; }
.allocation-result > span { display: block; font-size: 12px; }
.allocation-result > strong { display: block; font-size: 44px; letter-spacing: -.04em; font-weight: 500; margin: 10px 0 14px; font-variant-numeric: tabular-nums; }
.share-ledger .result-caveat { font-size: 11px; margin-bottom: 0; }
.deficit-note { color: var(--danger) !important; border-left: 2px solid var(--danger); padding-left: 12px; font-size: 12px; }
.exit-layout { display: grid; grid-template-columns: 1.1fr 1fr; gap: 50px; }
.exit-example { background: var(--pine-soft); padding: 32px; }
.exit-example h3 { margin-top: 18px; }
.exit-example p { font-size: 13px; }
.exit-equation { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 18px; border-block: 1px solid var(--line-dark); margin-block: 22px; }
.exit-equation span { font-size: 16px; }
.exit-equation strong { font-size: 32px; font-weight: 550; }
.risk-list article { padding: 22px 0; border-bottom: 1px solid var(--line); }
.risk-list article:first-child { padding-top: 0; }
.risk-list h3 { font-size: 17px; }
.risk-list p { font-size: 13px; margin: 8px 0 0; }
.home-concepts { border-top: 1px solid var(--line); }
.home-concepts .concept-heading > p { color: var(--body); line-height: 1.85; }
.home-concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.home-concept-grid article { padding: 36px; border: 1px solid var(--line-dark); }
.home-energy { background: var(--pine-soft); }
.home-shares { background: var(--white); }
.home-concept-grid h3 { margin: 18px 0 26px; font-size: 30px; line-height: 1.4; font-weight: 600; letter-spacing: -.03em; }
.home-concept-grid p { color: var(--body); font-size: 14px; line-height: 1.85; max-width: 33em; }
.mini-energy { color: var(--pine); min-height: 116px; display: grid; grid-template-columns: 1fr 1fr; font-size: 11px; }
.mini-energy svg { width: 100%; height: 80px; grid-column: 1 / -1; grid-row: 1; }
.mini-energy > span:last-child { text-align: right; }
.mini-shares { min-height: 116px; display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; padding-block: 8px 22px; }
.mini-shares i { background: var(--paper-deep); border: 1px solid var(--line-dark); border-radius: 2px; }
.mini-shares i:nth-child(-n+5) { background: var(--pine); border-color: var(--pine); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (min-width: 1041px) and (max-width: 1180px) {
  .header-inner { gap: 14px; }
  .main-nav { gap: 12px; }
  .main-nav a { font-size: 12px; }
  .nav-cta { padding-inline: 14px; }
}
@media (max-width: 1040px) {
  .main-nav { gap: 0; }
  .concept-hero { gap: 32px; }
  .concept-heading { gap: 30px; }
  .split-explainer { gap: 48px; }
  .demo-layout { grid-template-columns: 1.25fr 1fr; }
  .price-board, .energy-outcome, .share-board, .share-ledger { padding: 24px; }
  .period-controls { grid-template-columns: repeat(2, 1fr); }
  .result-metrics { grid-template-columns: 1fr; gap: 16px; }
  .energy-outcome h3 { min-height: 0; }
  .energy-connection { gap: 6px; font-size: 11px; }
  .art-caption { font-size: 8px; }
  .art-caption span:last-child { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-intro { grid-column: 1 / -1; }
}
@media (max-width: 700px) {
  .concept-hero { grid-template-columns: 1fr; padding-block: 16px 40px; gap: 28px; }
  .breadcrumb { margin-bottom: 22px; }
  .concept-hero h1 { font-size: 38px; }
  .concept-lead { font-size: 15px; margin-top: 20px; }
  .energy-hero-art, .ownership-hero-art { margin: 0; padding: 24px; }
  .concept-subnav > div { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
  .concept-subnav a { min-height: 48px; font-size: 12px; }
  .concept-section { padding-block: 48px; }
  .concept-heading, .split-explainer, .demo-layout, .share-layout, .exit-layout, .home-concept-grid { grid-template-columns: 1fr; }
  .concept-heading { gap: 18px; margin-bottom: 26px; }
  .concept-heading > p { font-size: 13px; }
  .price-board, .energy-outcome, .share-board, .share-ledger { padding: 22px; }
  .board-heading { flex-wrap: wrap; gap: 7px; }
  .price-chart { margin-top: 20px; }
  .period-controls { gap: 8px; }
  .reserve-control { margin-top: 20px; }
  .energy-outcome > p { min-height: 0; }
  .result-metrics { grid-template-columns: 1fr 1fr; }
  .result-metrics dd { font-size: 25px; }
  .comparison-trio { grid-template-columns: 1fr; gap: 16px; }
  .comparison-trio article { padding: 22px; }
  .large-acronym { font-size: 32px; margin-bottom: 10px; }
  .split-explainer { gap: 28px; }
  .concept-closing { flex-direction: column; align-items: flex-start; gap: 20px; padding-block: 40px; }
  .concept-closing h2 { font-size: 26px; }
  .share-grid { gap: 5px; }
  .share-grid span { aspect-ratio: 1; }
  .share-ledger { min-height: 550px; }
  .ledger-lines dt { font-size: 12px; }
  .ledger-lines dd { font-size: 13px; }
  .allocation-result { padding: 22px; }
  .allocation-result > strong { font-size: 38px; }
  .exit-layout { gap: 28px; }
  .exit-example { padding: 24px; }
  .exit-equation { flex-wrap: wrap; }
  .home-concept-grid article { padding: 26px; }
  .home-concept-grid h3 { font-size: 26px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

.period-controls button:hover, .scenario-controls button:hover { border-color: var(--pine); box-shadow: inset 0 0 0 1px var(--pine); }
.text-button:hover, .inline-link:hover { color: var(--pine-dark); text-decoration-thickness: 2px; }
.concept-page main h1, .concept-page main h2 { text-wrap: balance; }

/* Equipment is the explicit intermediate node in both energy illustrations. */
.energy-hero-art > .equipment-art { width: 100%; margin: 26px auto 20px; }
.energy-art-key { display: grid; gap: 8px; font-size: 12px; line-height: 1.6; padding-bottom: 20px; }
.equipment-route { display: grid; grid-template-columns: 1fr 70px 1fr 1.5fr; gap: 24px; align-items: center; padding: 36px 24px; background: var(--paper); border: 1px solid var(--line); border-radius: 6px; color: var(--pine); }
.equipment-route svg { display: block; width: 140px; height: 110px; margin: 0 auto 22px; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.route-source, .route-equipment { text-align: center; }
.concept-page main .equipment-route h3 { font-size: 19px; line-height: 1.4; }
.route-caption { display: block; margin-top: 10px; color: var(--body); font-size: 12px; }
.route-arrow { font-size: 36px; text-align: center; color: var(--pine); }
.route-equipment { padding: 28px 14px; background: var(--pine-soft); border-radius: 6px; }
.route-equipment svg { width: 90px; height: 120px; margin-bottom: 12px; }
.route-equipment > strong { display: block; font-size: 27px; letter-spacing: -.04em; margin-bottom: 6px; }
.route-destinations { display: grid; gap: 32px; position: relative; padding-left: 36px; }
.route-destinations::before { content: ""; position: absolute; left: 0; top: 25%; bottom: 25%; border-left: 2px solid var(--pine); }
.route-destinations::after { content: ""; position: absolute; width: 24px; height: 2px; left: -24px; top: 50%; background: var(--pine); }
.route-destinations article { display: flex; gap: 16px; align-items: center; position: relative; min-height: 116px; }
.route-destinations article svg { width: 96px; height: 80px; flex-shrink: 0; margin: 0; }
.route-branch { position: absolute; left: -36px; width: 30px; font-size: 28px; top: 50%; transform: translateY(-50%); }
.route-mode { display: block; color: var(--body); font-size: 12px; margin-bottom: 7px; }
.concept-page main .equipment-footnote { font-size: 12px; margin: 20px 0 0; }
#technology .reading-note { background: transparent; padding: 0; margin-top: 10px; }
.direction-readout { font-size: 20px; line-height: 1.6; }

#technology .concept-heading { grid-template-columns: 1fr; }
.equipment-route > *, .route-destinations article > div { min-width: 0; }
.route-destinations article > div { flex: 1; }
.route-destinations article svg { width: 80px; }
@media (min-width: 901px) and (max-width: 1180px) {
  .equipment-route { grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr) minmax(0, 1.5fr); gap: 16px; padding: 28px 20px; }
  .concept-page main .equipment-route h3 { font-size: 17px; }
  .route-destinations { padding-left: 26px; }
  .route-destinations article { gap: 10px; }
  .route-destinations article svg { width: 64px; }
  .route-branch { left: -26px; width: 24px; }
  .route-destinations::after { left: -16px; width: 16px; }
}
@media (max-width: 900px) {
  .equipment-route { grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr); gap: 16px 8px; padding: 24px 16px; }
  .concept-page main .equipment-route h3 { font-size: 16px; }
  .route-source svg { width: 100%; max-width: 130px; height: 75px; margin-bottom: 12px; }
  .route-incoming { font-size: 28px; }
  .route-caption { font-size: 11px; }
  .route-equipment { padding: 18px 8px; }
  .route-equipment svg { width: 65px; height: 90px; margin-bottom: 10px; }
  .route-equipment > strong { font-size: 24px; }
  .route-destinations { grid-column: 1 / -1; grid-template-columns: 1fr 1fr; gap: 16px; padding: 34px 0 0; }
  .route-destinations::before { left: 25%; right: 22%; top: 12px; bottom: auto; border-left: 0; border-top: 2px solid var(--pine); }
  .route-destinations::after { width: 2px; height: 28px; left: 78%; top: -16px; }
  .route-destinations article { flex-direction: column; gap: 8px; text-align: center; min-height: 0; }
  .route-destinations article svg { width: 85px; height: 70px; }
  .route-branch { left: 50%; top: -24px; transform: translateX(-50%) rotate(90deg); font-size: 25px; line-height: 1; }
  .route-mode { margin-bottom: 5px; }
}
@media (max-width: 700px) {
  .energy-hero-art { padding: 20px 16px; }
}
.energy-earnings { margin: 0 0 28px; padding: 24px; background: var(--pine-soft); }
.earnings-caption { display: block; font-size: 12px; color: var(--body); margin-bottom: 16px; }
.earnings-equation { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; color: var(--pine); }
.earnings-equation > div { display: grid; gap: 6px; }
.earnings-equation strong { font-size: 27px; font-weight: 650; font-variant-numeric: tabular-nums; }
.earnings-equation small { font-size: 12px; color: var(--body); }
.earnings-equation > span { font-size: 24px; }
.concept-page main .earnings-distribution { font-size: 13px; margin: 18px 0 0; padding-top: 16px; border-top: 1px solid var(--line-dark); }
@media (max-width: 700px) {
  .energy-earnings { padding: 20px 16px; }
  .earnings-equation { gap: 10px; justify-content: space-between; }
  .earnings-equation strong { font-size: 22px; }
  .earnings-equation small { font-size: 11px; }
  .earnings-equation > span { font-size: 18px; }
}

/* Distinguish fixed arithmetic, interactive scenarios and price types. */
.energy-earnings { background: var(--paper-deep); border-left: 3px solid var(--line-dark); }
.example-badge { display: inline-block; padding: 6px 10px; border: 1px solid var(--line-dark); font-size: 11px; color: var(--body); margin-bottom: 14px; }
.interactive-intro { margin: 38px 0 20px; }
.concept-page main .interactive-intro p, .concept-page main .price-context { font-size: 12px; margin: 10px 0 18px; }
.price-chart .price-buy rect { fill: var(--pine-soft); stroke: var(--pine); stroke-width: 2; }
.price-chart .price-reference rect { fill: var(--paper); stroke: var(--muted); stroke-width: 2; stroke-dasharray: 5 4; }
.price-chart .price-sell rect { fill: var(--pine); }
.price-chart .chart-point.is-selected rect { stroke: var(--pine); stroke-width: 5; }
.price-chart .chart-point.is-selected text { text-decoration: underline; text-underline-offset: 4px; }
.mode-conditions { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 36px; }
.mode-conditions article { padding: 26px; background: var(--white); border-top: 2px solid var(--pine); }
.concept-page main .mode-conditions h3 { font-size: 18px; }
.concept-page main .mode-conditions p { font-size: 13px; margin-bottom: 0; }
@media (max-width: 700px) {
  .mode-conditions { grid-template-columns: 1fr; gap: 16px; }
  .mode-conditions article { padding: 22px; }
}
.price-chart .chart-point text { font-size: 20px; }
@media (max-width: 700px) {
  .price-chart .chart-point text { font-size: 24px; }
  .price-chart .chart-label { font-size: 20px; }
}