Group 1 - The core viewpoint of the article is that the newly elected president of Japan's ruling Liberal Democratic Party (LDP), Sanae Takaichi, is likely to face multiple pressures, including political instability and economic challenges [2][3]. - The new LDP president will succeed Yoshihide Suga, who has announced his resignation, and is expected to become the next Prime Minister of Japan [2][4]. - Political expert Narita Yoshihiko highlights that Japan is currently dealing with both immediate issues, such as rising prices, and long-term challenges like population decline and economic recession [4][6]. Group 2 - The LDP and its coalition partner, Komeito, have lost their majority in the Diet, making multi-party cooperation a necessity for political stability [4][6]. - The upcoming extraordinary Diet session will be crucial for selecting coalition partners and restructuring the government [4][6]. - Historically, the LDP and Komeito have formed a two-party coalition, but this partnership is reaching its limits, suggesting the need for a third party to join, although the sustainability of such a coalition is uncertain [6].

日股高开。 当地时间周一（9月8日），日股高开，日经225指数开盘涨1%，小幅震荡后涨幅持续扩大，最高涨超1.4%。 同时， 日本东证指数突破8月18日高点，升至历史高点3135.77点，日内涨幅超0.9%。 刚刚过去的周末，日本首相、自民党总裁石破茂突然召开记者会宣布辞职，并表示不再参选自民党总裁。 石破茂当地时间7日18时在首相官邸举行记者会，宣布决定辞去自民党总裁职务。 石破茂在7日的记者会上表示，在选出新总裁之前，他将尽到自己的责任。他重申自己并非留恋职位，而是在合适的时机作出判断，同时对此前的选举失败结 果负责。 石破茂表示，去年9月很多人选择由他出任自民党总裁，但未能达到这些人的期待，他对此感到惭愧。石破茂称，最大的遗憾是还没能消除民众对政治的不信 任，包括自民党"黑金"丑闻等问题。 石破茂说，自己将不再参加下一任自民党总裁选举。 分析人士认为，石破茂迫于巨大党内压力辞职，以避免党内分裂进一步扩大化和公开化，给他本人和自民党留下"体面"。石破茂辞职将引发日本政坛争斗加 剧，自民党总裁职位也成为"烫手山芋"，谁能接任自民党总裁及首相尚难预料。 自民党新总裁即使顺利当选首相，也将继续面对政治乱局，在" ...

Core Viewpoint - The resignation intentions of key allies within Japan's ruling Liberal Democratic Party (LDP) are putting pressure on Prime Minister Kishida, leading to discussions about a potential leadership election due to dissatisfaction with his leadership [2][3][6]. Group 1: Resignation and Leadership Challenges - Key LDP officials, including Secretary-General Mori Yasuhiro, have announced their intention to resign, attributing the party's loss of control in the House of Councillors elections to their leadership [2][3]. - Kishida has been urged to implement economic policies swiftly, including tariffs, while he faces internal party dissent and public scrutiny [5][6]. - Despite calls for his resignation, Kishida has reiterated his intention to remain in office, although the loss of Mori's support could weaken his position [6][10]. Group 2: Public Opinion and Election Dynamics - A report from the LDP attributes the party's electoral losses to internal issues rather than Kishida's leadership, citing unattractive inflation countermeasures and failure to engage younger voters [6][7]. - A recent poll indicates that 128 out of 342 LDP members may call for an early leadership election, while 33 oppose it, leaving the outcome uncertain [7]. - Kishida's approval ratings have seen an increase, with a poll showing a rise of 12.5 percentage points to 35.4%, suggesting some public support despite internal party challenges [10].