Treasure Data: Wake-up Tram to RubyKaigi 2026 (2026/04/22 08:30〜)

# 事前予約不要です!函館駅前電停にスタッフがいますので、8:15頃を目安にお越しください # No reservation required! Our staff will be at the Hakodate Ekimae tram stop. Please aim to arrive around 8:15. ## Start your day right with breakfast on a private tram! 函館の清々しい朝の街並みを眺めながら、…