两党矛盾无法调和，可能引发连锁反应，日本执政联盟宣告破裂

Core Viewpoint - The long-standing ruling coalition between Japan's Komeito Party and the Liberal Democratic Party (LDP) has officially ended, marking a significant shift in Japan's political landscape after 26 years of collaboration [1][5]. Group 1: Political Dynamics - Komeito Party leader, Taro Kato, announced the coalition's dissolution due to dissatisfaction with LDP's response to issues surrounding "black money politics" [1][3]. - The coalition's breakdown is expected to create instability in Japan's political environment, with potential for opposition parties to unify against the LDP in upcoming elections [1][8]. - The LDP currently holds 191 seats in the House of Representatives, which is insufficient for a majority, raising concerns about the party's ability to secure a new prime minister [6][8]. Group 2: Implications for Leadership - The dissolution of the coalition poses a significant challenge for newly elected LDP president, Sanae Takaichi, as she must now navigate a more complex political landscape to secure her position as prime minister [6][8]. - The upcoming prime ministerial election, originally scheduled for October 15, is likely to be postponed due to the lack of cooperation between the LDP and opposition parties [6][9]. - Komeito has indicated that it will not adopt a purely oppositional stance but will evaluate policies on a case-by-case basis, suggesting a more nuanced approach moving forward [7]. Group 3: Broader Political Impact - The breakdown of the coalition is expected to alter the power dynamics within Japan's political framework, potentially leading to increased collaboration among opposition parties [8]. - The political turmoil may disrupt Japan's current political agenda, especially with significant international events, such as a planned visit from U.S. President Trump, approaching [9].