セッション欄の横幅がSP表示で崩れる問題を修正#25

Fukusan64 merged 1 commit intomaincoderdojo-japan/dojocon2025.coderdojo.jp:mainfrom

fix-session-marginscoderdojo-japan/dojocon2025.coderdojo.jp:fix-session-marginsCopy head branch name to clipboard