Japan’s ruling coalition secured a commanding victory in Sunday’s general election, but analysts warn that Prime Minister Sanae Takaichi’s embrace of a hardline conservative agenda could narrow her party’s support base and ultimately weaken its dominance over time. The Liberal Democratic Party-led coalition captured 352 of the 465 seats in the House of Representatives, according to national public broadcaster NHK: well above the two-thirds supermajority required to override upper house...