Maintenance
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Notice: Scheduled Network Maintenance: 12:00 – 13:25 on Mar. 27 (Fri), 2026 (JST)
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Notice Regarding Frequent Server Errors in the Search System: Around 13:00 on Mar. 2, 2026, until approximately 12:30 on Mar. 5 (JST)
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Sorry, our web servers were not connected to the internet: Apr 19 09:05–Apr 20 00:49 (JST) and Apr 20 20:03–Apr 21 09:24 (JST)
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Sorry, our web servers were unstable to internet: Aug. 6 15:50 - 16:52 (JST)