- Restrict share button to mobile devices only using CSS media queries
- Add robust feature detection with canShareFiles() function
- Implement user feedback with "Shared\!" state and visual styling
- Improve API validation using navigator.canShare() before sharing
- Enhance error handling and code organization
- Rename shareWithApp to shareResult for better consistency
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Kazuki Yamada
Yamada Dev