メニューの画像が壊れていたのを直した
https://scrapbox.io/files/6896a8d5bc8addce6673dae7.png
https://scrapbox.io/files/6896a8dd71800894fdc6dbbb.png
https://github.com/nishio/kozaneba/pull/32
Root Cause: All 12 PNG files contained HTML like ... instead of actual PNG image data (all files were exactly 135 bytes of redirect HTML).