1. A pharmaceutical composition that contains an antigen binding molecule containing an antigen binding domain and an Fcγ receptor binding domain, wherein the antigen binding molecule has human FcRn binding activity under a range of acidic pH values, and where the antigen binding domain has antigen binding activity, which varies depending on concentration conditions ions, and the Fcγ receptor binding domain has a higher activity with respect to the Fcγ receptor under a range of neutral pH values, than the Fc region of native human IgG, in which the sugar chain linked at position 297 according to EU numbering is a fucose-containing sugar chain. 2. The pharmaceutical composition of claim 1, wherein the antigen is a soluble antigen. The pharmaceutical composition of claim 1 or 2, wherein the ion concentration is a concentration of calcium ions. The pharmaceutical composition of claim 3, wherein the antigen binding domain is an antigen binding domain in which antigen binding activity under conditions of high concentration of calcium ions is higher than under conditions of low concentration of calcium ions. The pharmaceutical composition according to claim 1 or 2, wherein the ion concentration conditions are pH conditions. The pharmaceutical composition of claim 5, wherein the antigen binding domain is an antigen binding domain in which antigen binding activity is higher under a neutral pH range than under an acidic pH range. The pharmaceutical composition according to any one of paragraphs. 1, 2, 4 or 6, where the antigen1. Фармацевтическая композиция, которая содержит антигенсвязывающую молекулу, содержащую антигенсвязывающий домен и связывающий Fcγ-рецептор домен, где антигенсвязывающая молекула обладает активностью связывания FcRn человека в условиях диапазона кислых значений pH, и где антигенсвязывающий домен обладает антигенсвязывающей активностью, которая изменяется в зависимости от условий концентрации ионов, и связывающий Fcγ-рецептор домен обладает более высоко