/* Section hierarchy: a visual overview, a product story, then one invitation. */
.scene-photo figcaption { inset: auto 0 0; padding: 72px 32px 28px; background: linear-gradient(to bottom, transparent, color-mix(in srgb, var(--foreground) 84%, transparent)); color: var(--brand-on-primary); }
.scene-photo figcaption strong { font-size: 21px; font-weight: 650; }
.scene-photo figcaption span { display: block; margin-bottom: 8px; font-size: 12px; color: var(--brand-on-primary); }
.business-section { padding-block: 120px; background: var(--surface); }
.business-heading { max-width: 680px; margin-bottom: 56px; }
.business-heading h2, .pay-section .chapter-heading h2, .contact-heading h2 { color: var(--foreground); font-size: clamp(36px, 4vw, 52px); line-height: 1.3; font-weight: 750; }
.business-heading > p:last-child { font-size: 18px; margin-top: 24px; color: var(--secondary-foreground); }
.business-brands { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.business-brand { min-width: 0; }
.business-visual { width: 100%; min-width: 0; position: relative; height: 300px; overflow: hidden; border-radius: var(--mobile-radius-surface); }
.business-visual > img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; display: block; }
.business-visual-note { position: absolute; bottom: 12px; right: 16px; font-size: 10px; background: color-mix(in srgb, var(--surface) 90%, transparent); color: var(--secondary-foreground); padding: 2px 8px; border-radius: var(--mobile-radius-control); }
.wallet-visual { display: grid; place-items: center; padding: 32px; background: var(--brand-primary-surface); }
.wallet-preview { width: min(320px, 100%); padding: 24px; border-radius: var(--mobile-radius-surface); background: var(--surface); }
.wallet-brand { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 750; color: var(--brand-primary); }
.wallet-brand img { width: 24px; height: 24px; border-radius: var(--mobile-radius-control); }
.wallet-label { display: block; margin-top: 24px; font-size: 12px; color: var(--secondary-foreground); }
.wallet-preview > strong { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-block: 4px 24px; font-size: 32px; color: var(--brand-primary); }
.wallet-preview > strong > span { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: var(--brand-accent); font-size: 26px; }
.wallet-route { display: flex; justify-content: space-between; gap: 8px; border-top: 1px solid var(--border); padding-top: 16px; font-size: 12px; color: var(--secondary-foreground); }
.business-brand-copy { padding: 28px 8px 0; }
.business-brand-copy > div { display: flex; flex-direction: column; }
.business-brand-copy > div > span { font-size: 13px; color: var(--secondary-foreground); }
.business-brand-copy h3 { font-size: 32px; color: var(--brand-primary); margin-top: 4px; }
.business-brand-copy p { margin-top: 16px; font-size: 17px; color: var(--secondary-foreground); }
.business-brand-copy .text-link { margin-top: 16px; }
.business-path { display: grid; grid-template-columns: 1fr 3fr; align-items: center; gap: 48px; margin-top: 64px; padding: 32px; border-radius: var(--mobile-radius-surface); background: var(--surface-subtle); }
.business-path > p { font-size: 15px; color: var(--secondary-foreground); }
.business-path > p strong { color: var(--foreground); font-size: 18px; }
.business-path ol { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding: 0; margin: 0; }
.business-path li { display: flex; gap: 12px; align-items: center; position: relative; }
.business-path li + li::before { content: '→'; position: absolute; left: -30px; color: var(--muted-foreground); }
.path-icon { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; background: var(--surface); color: var(--brand-primary); border-radius: var(--mobile-radius-control); }
.path-icon svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.path-icon.point-icon { background: var(--brand-accent); font-size: 26px; font-weight: 750; }
.business-path li small { display: block; font-size: 11px; color: var(--secondary-foreground); }
.business-path li strong { display: block; font-size: 16px; white-space: nowrap; }
.pay-section { background: var(--background); border: 0; padding-block: 112px; }
.pay-section .chapter-heading { gap: 80px; margin-bottom: 56px; }
.chapter-brand { font-size: 16px; margin-bottom: 24px; }
.pay-chapter-message > p { font-size: 23px; font-weight: 600; line-height: 1.6; margin-bottom: 12px; }
.pay-chapter-message > span { font-size: 15px; }
.pay-story { grid-template-columns: 1fr 1fr; gap: 80px; }
.pay-stage { background: var(--brand-primary-surface); min-height: 560px; }
.pay-story .story-step { padding: 24px 0; min-height: 124px; }
.pay-story .story-step strong { font-size: 24px; }
.pay-story .story-step > span:last-child { font-size: 15px; }
.pay-story-link { margin-top: 32px; }
.calculator-block { margin-top: 104px; padding-top: 0; border: 0; }
.calculator-block .about-copy h3 { font-size: 36px; font-weight: 750; }
.point-example { background: var(--surface); }
.merchant-grid { margin-top: 104px; }
.merchant-grid .image-frame { aspect-ratio: 4 / 3; }
.merchant-grid h3 { font-size: 36px; font-weight: 750; }
.how-content { margin-top: 88px; padding-top: 64px; border-top: 1px solid var(--border); }
.how-content .subsection-intro { display: flex; align-items: baseline; justify-content: space-between; gap: 32px; margin-bottom: 32px; }
.how-content h3 { font-size: 28px; }
.how-content h3 br { display: none; }
.how-grid { gap: 32px; align-items: start; }
.usage-guide, .usage-guide:last-child { border: 0; border-radius: var(--mobile-radius-surface); background: var(--surface); padding: 0 24px; }
.usage-guide summary { font-size: 18px; min-height: 88px; }
.usage-guide .how-list { margin: 8px 0 0; padding-bottom: 8px; }
.usage-guide .how-list h5 { font-size: 16px; }
.usage-guide .how-list p { padding: 0; font-size: 14px; }
.faq-section { padding-block: 104px; background: var(--background); }
.faq-layout { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; }
.faq-layout h2 { font-size: 36px; line-height: 1.4; }
.faq-section .faq { margin-top: 0; }
.faq-section summary { font-size: 16px; }
.faq-section details { border-color: var(--border); }
.contact-section { background: var(--brand-primary); color: var(--brand-on-primary); padding-block: 96px; }
.contact-heading { margin-bottom: 48px; }
.contact-heading .eyebrow { color: var(--brand-accent); }
.contact-heading h2 { color: var(--brand-on-primary); }
.contact-heading > p:last-child { font-size: 16px; margin-top: 24px; }
.participation-grid { gap: 64px; }
.participation-grid article { border-color: color-mix(in srgb, var(--brand-on-primary) 30%, transparent); padding-top: 24px; }
.participation-label { color: var(--brand-accent); margin-bottom: 16px; font-size: 13px; }
.participation-grid h3 { font-size: 28px; }
.participation-grid p { font-size: 15px; margin-top: 16px; }
.participation-grid .button { margin-top: 24px; background: var(--brand-accent); color: var(--brand-accent-foreground); gap: 32px; }
.participation-grid .button:hover { background: var(--surface); }
.contact-section a:focus-visible { outline-color: var(--brand-accent); }
.site-footer { padding: 64px 0 32px; background: var(--surface); }
.footer-main { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid var(--border); }
.footer-main > div > p { font-size: 13px; color: var(--secondary-foreground); margin-top: 16px; }
.footer-contact > span { display: block; font-size: 12px; color: var(--secondary-foreground); margin-bottom: 8px; }
.footer-contact > a { display: inline-flex; align-items: center; min-height: 48px; font-size: 24px; color: var(--foreground); font-weight: 700; }
.footer-main .footer-contact > p { margin-top: 4px; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; gap: 0; font-size: 13px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 40px; }
.footer-links a::after { display: none; }
@media (max-width: 1099px) {
  .business-path { grid-template-columns: 1fr; gap: 24px; }
  .business-path > p br { display: none; }
  .business-path > p strong { margin-left: 0; }
  .pay-story, .pay-section .chapter-heading { gap: 48px; }
  .footer-main { gap: 32px; }
}
@media (max-width: 749px) {
  .business-section, .pay-section, .faq-section { padding-block: 80px; }
  .business-heading h2, .pay-section .chapter-heading h2, .contact-heading h2 { font-size: 36px; }
  .business-heading > p:last-child { font-size: 16px; }
  .business-brands { grid-template-columns: 1fr; gap: 48px; }
  .business-visual { height: auto; aspect-ratio: 3 / 2; }
  .business-brand-copy { padding: 24px 0 0; }
  .business-brand-copy h3 { font-size: 28px; }
  .business-brand-copy p { font-size: 16px; }
  .wallet-visual { min-height: 260px; aspect-ratio: auto; padding: 24px; }
  .business-path { margin-top: 48px; padding: 28px 20px; gap: 28px; }
  .business-path ol { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
  .business-path li { flex-direction: column; text-align: center; gap: 12px; }
  .business-path li + li::before { content: '→'; left: -18px; top: 10px; font-size: 18px; }
  .business-path .path-icon { width: 48px; height: 48px; }
  .business-path li small { font-size: 11px; white-space: nowrap; }
  .business-path li strong { white-space: normal; }
  .business-path li a { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; margin-block: -10px; }

  .business-path > p br { display: initial; }
  .business-path > p strong { margin-left: 0; }
  .business-path li strong { font-size: 15px; margin-top: 4px; }
  .pay-section .chapter-heading { gap: 24px; margin-bottom: 40px; }
  .pay-chapter-message > p { font-size: 19px; }
  .pay-chapter-message > span { font-size: 14px; }
  .pay-story { grid-template-columns: 1fr; gap: 24px; }
  .pay-story-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .pay-story .story-step { min-height: 88px; padding: 12px 0; }
  .pay-story .story-step strong { font-size: 15px; }
  .pay-story .story-step > span:last-child { display: none; }
  .pay-story-link { margin-top: 20px; }
  .pay-stage { min-height: 472px; }
  .calculator-block, .merchant-grid { margin-top: 72px; }
  .calculator-block .about-copy h3, .merchant-grid h3 { font-size: 30px; }
  .how-content { margin-top: 64px; padding-top: 48px; }
  .how-content .subsection-intro { display: block; }
  .how-content h3 { font-size: 26px; }
  .how-content h3 br { display: initial; }
  .how-grid { grid-template-columns: 1fr; gap: 16px; }
  .usage-guide { padding-inline: 20px; }
  .usage-guide summary { font-size: 16px; }
  .faq-layout { grid-template-columns: 1fr; gap: 32px; }
  .faq-layout h2 { font-size: 30px; }
  .faq-layout h2 br { display: none; }
  .contact-section { padding-block: 72px; }
  .participation-grid { grid-template-columns: 1fr; gap: 40px; }
  .participation-grid h3 { font-size: 26px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-main > div:first-child { grid-column: 1 / -1; }
  .footer-contact > a { font-size: 20px; }
}
@media (max-width: 599px) {
  .scene-photo figcaption { padding: 56px 20px 20px; }
  .scene-photo figcaption strong { font-size: 16px; }
  .scene-photo figcaption span { font-size: 11px; margin-bottom: 4px; }
  .business-heading h2, .pay-section .chapter-heading h2, .contact-heading h2 { font-size: 32px; }
  .wallet-preview { padding: 20px; }
  .wallet-preview > strong { font-size: 28px; }
  .footer-main { grid-template-columns: 1fr; }
}