一、国际私法变革的背景过去曾有过被称为传统国际私法的危机的时代。这个时代主要是受到美国国际私法所采用的灵活方法的影响,对于包括日本国际私法在内的大陆法系国际私法所持有的传统构造是否还能够得到保持,人们持有怀疑态度,从而开始探索新的道路。将涉外私法关系分成不同类型的法律关系,以适用与其有最密切联系地的法律作为国际私法之使命,一味地来探求其规则时,接触到美国国际私法这样一个异类,发现自己的努力成果只能是甘于形式化的法律机械适用的构造,与国际私法的本来目的相背离。美国国际私法并非事先制定明确的准据法选择规则,而是在解决具体的个案当中,在寻找各种各样的关联要素的同时,在考虑所适用的实体法的法目的 I. Background to the transformation of private international law In the past there was an era of crises known as traditional private international law. This era is largely influenced by the flexible approach adopted by the U.S. Private International Law and is open to skepticism about whether the traditional structures held in private international law, including civil law in Japan, can still be preserved New road The relationship between foreign private law into different types of legal relations to apply the most closely linked with the law as a private international law as a mission to blindly explore its rules when exposed to such a heterogeneous class of private international law in the United States and found their own efforts only Can be willing to formalize the legal machinery applicable structure, and private international law, the original purpose of departure from. American private international law does not formulate clear rules of choice of applicable law in advance. Rather, it tries to find out all kinds of related elements in the solution of specific cases, while considering the legal purpose of the applicable substantive law