[A-3-4] A structural analysis method to identify factors of complex regional issues 〇Naoki Muraoka1, Atsuto Nagayama1, Yuya Mitake1, Mar'Atus Sholihah1, Yoshiki Shimomura1 (1.Tokyo Metropolitan University) Keywords:Network、Systems thinking approach、Regional issues、LEGO SERIOUS PLAY、 Interpretive Structural Modelling