message: fix: Adopt functional color variables. Replace 'bg.gray' and 'border.gray' with 'bg.tertiary' and 'border.tertiary'.
diff: @@ -34,10 +34,10 @@ const StyledHeader = styled.div<{variant: HeaderProps['variant']}>`
  ${({variant}) =>
  variant === 'filled' &&
  css`
  - background: ${get('colors.bg.gray')};
  + background: ${get('colors.bg.tertiary')};
  margin: ${get('space.2')} -${get('space.2')};
  - border-top: 1px solid ${get('colors.border.gray')};
  - border-bottom: 1px solid ${get('colors.border.gray')};
  + border-top: 1px solid ${get('colors.border.tertiary')};
  + border-bottom: 1px solid ${get('colors.border.tertiary')};
  &:first-child {
  margin-top: 0;
  