Contact（お問い合わせ）
| support@hoshikuzu-lantern.example | |
| Phone | 03-0000-0000 (weekdays 10:00–17:00 JST) |
| Operator | Hoshikuzu Lantern Works LLC |
| Response time | Within 2 business days |
| support@hoshikuzu-lantern.example | |
| Phone | 03-0000-0000 (weekdays 10:00–17:00 JST) |
| Operator | Hoshikuzu Lantern Works LLC |
| Response time | Within 2 business days |