New York, Sept 22 (UNI) Japanese Prime Minister Takaichi Sanae used her first address to the UN General Assembly to press for an overhaul of the Security Council, arguing its structure still reflects the world as it stood in 1945 rather than today's geopolitical realities. Speaking as Japan marked its 70th year as a UN member, Takaichi said a majority of member states now back expanding both permanent and non-permanent Council seats, and called for the body to become "a more resilient and effective United Nations." Takaichi opened by describing an international order in crisis, pointing to rising geopolitical competition,…