https://news.docodemodouga.net/story.php?title=%E4%B8%8D%E7%A2%BA%E5%AE%9F%E3%81%AA%E6%99%82%E4%BB%A3%E3%82%92%E7%94%9F%E3%81%8D%E3%82%8B%E5%8A%9B 発表元:山梨総合研究所、掲載日:2026-01-06 Tue, 06 Jan 2026 04:50:01 UTC en