FIx for screen reader user

[yamanoku]

• It is not an assistive technology friendly implementation such as a screen reader because the DOM is updated with a countdown every second.
• In addition to using WAI-ARIA, I'd like to remove the hassle of something that would be read every second.
  • I have a feeling the time report reading out loud sounds good.
  • Sample Sound

[yamanoku]

timer role 👀 https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles/ARIA_timer_role