feat: Update festa section

[re-taro]

📝 what

• 高専祭についてのセクションの再実装

✅ check

• このリポジトリのルールに則っているか
• テストを書いた or もう書いてある or 書く必要のない修正
• 動作検証をした

ℹ️ issue

ref #213

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664633443467-17700.report.html

auditProperty	actual	expected	level
performance	0.79	0.9	❌ error

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664635229665-60309.report.html

auditProperty	actual	expected	level
performance	0.79	0.9	❌ error

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664637413525-67165.report.html

auditProperty	actual	expected	level
performance	0.79	0.9	❌ error

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664637608258-13609.report.html

auditProperty	actual	expected	level
performance	0.79	0.9	❌ error

[Sansai-snct]

これ息してる？？

[re-taro]

息してるちょいまち

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664691042769-68958.report.html

auditProperty	actual	expected	level
performance	0.78	0.9	❌ error

[github-actions]

❌ failed...

Open the report at https://storage.googleapis.com/lighthouse-infrastructure.appspot.com/reports/1664694781799-58080.report.html

auditProperty	actual	expected	level
performance	0.78	0.9	❌ error