[Ops] Improve Search Engine Optimization

[klmhyeonwoo]

Act as an SEO expert specialized in React and Next.js.

Optimize this component/page for SEO.

• Use semantic HTML instead of generic divs.
• Optimize metadata (title, meta description, Open Graph).
• Ensure only one h1 exists and reflects the main keyword.
• Improve text content for search intent and readability.
• Ensure images use optimized alt text.
• Consider Core Web Vitals and hydration-safe patterns.

Return the optimized React/Next.js code only.