sentences:  Tadayiko served under "shōgun" Tokugawa Ietsuna as one of the "Rōjū" (chief advisor) from 1653–1666, and then as "Tairō", head of the "Rōjū" council, from 1666–1680.Generally regarded today as self-indulgent and corrupt, his policies (or lack thereof) are generally said to have been responsible for initiating the shift to hedonism, and debauchery which characterized the Genroku era (1688–1704).Though a Golden Age for the arts, this era was regarded by the following generation of officials as one of immorality, impropriety, and excessive extravagance.