初任者研修とは https://www.brush-up.jp/sp/lp/shoninsha4/?&mkwid=s3a1pRnI2&pcrid=307331142902&kword=%E5%88%9D%E4%BB%BB%E8%80%85%E7%A0%94%E4%BF%AE&match=e&plid=&gclid=CjwKCAjw7MzkBRAGEiwAkOXexCFeuFoMdovi7VkjrHmEBcO1Ty9nHQGiHXweKuJYu0sQ4dkDcc…