/* DESIGN_DUOS.md section 9 is the source of truth for these shared values. */
:root {
  --color-ink: #1c1c1c;
  --color-canvas: #ffffff;
  --color-paper: #ececec;
  --color-graphite: #4d4d4d;
  --color-ink-surface-card: #2a2a2a;
  --color-ink-surface-rule: rgba(255, 255, 255, 0.24);
  --gradient-lift: linear-gradient(0deg, #ececec, #ffffff);

  --font-display: 'Gen Interface JP Display', 'Inter', 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  --font-text: 'Gen Interface JP', 'Inter', 'Noto Sans JP', ui-sans-serif, system-ui, sans-serif;
  --text-display: 141px;
  --leading-display: 0.9;
  --text-display-jp: 112px;
  --leading-display-jp: 1.05;
  --text-heading: 58px;
  --leading-heading: 1.1;
  --text-heading-sm: 39px;
  --leading-heading-sm: 1.2;
  --text-subheading: 22px;
  --leading-subheading: 1.5;
  --text-body: 16px;
  --leading-body: 1.8;
  --text-price: 39px;
  --text-label: 11px;
  --leading-label: 1.2;
  --tracking-label: 0.08em;
  --text-caption: 12px;
  --leading-caption: 1.6;
  --weight-display: 200;
  --weight-display-heading: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;

  --spacing-4: 4px;
  --spacing-6: 6px;
  --spacing-7: 7px;
  --spacing-10: 10px;
  --spacing-14: 14px;
  --spacing-16: 16px;
  --spacing-17: 17px;
  --spacing-22: 22px;
  --spacing-29: 29px;
  --spacing-43: 43px;
  --spacing-72: 72px;
  --spacing-144: 144px;
  --spacing-173: 173px;

  --page-max-width: 1440px;
  --page-gutter: 72px;
  --page-gutter-sp: 22px;
  --section-gap: 43px;
  --band-gap: 144px;
  --hero-gap: 173px;
  --card-padding: 29px;
  --element-gap: 7px;

  --radius-tags: 9999px;
  --radius-cards: 7.2px;
  --radius-buttons: 129.6px;
  --radius-surfaces: 43.2px;

  --duration-base: 500ms;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);

  --surface-canvas: #ffffff;
  --surface-paper: #ececec;
  --surface-ink: #1c1c1c;

  --layer-stage: 10;
  --layer-media: 20;
  --layer-diagram: 25;
  --layer-navigation: 30;
  --layer-copy: 30;
  --layer-controls: 40;
  --layer-modal: 100;
}

@media (max-width: 767px) {
  :root {
    --text-display: 64px;
    --text-display-jp: 52px;
    --text-heading: 36px;
    --text-heading-sm: 28px;
    --text-subheading: 19px;
    --text-body: 16px;
    --text-price: 28px;
    --text-label: 11px;
    --text-caption: 12px;
    --page-gutter: var(--page-gutter-sp);
  }
}