The invention provides a metal joint connecting a pair of subject members relatively displaceable in one direction, a metal joint connecting a pair of subject members relatively displaceable in one direction, the metal joint comprising: multiple first attachment portions attached to one of the subject members; a second attachment portion attached to an other of the subject members; and multiple plate portions connecting between the first attachment portions and the second attachment portion to each other, wherein an attachment direction of each of the first attachment portions with respect to one subject member and an attachment direction of the second attachment portion with respect to the other subject member are set so that a surfaces of the plate portions follow a direction of the relative displacement.