A sunshade for a vehicle, the vehicle having a roof, the sunshade for a vehicle comprising: a plastic panel configuring at least a part of the roof of the vehicle and including a translucent portion; a shading sheet for unshading and shading the translucent portion of the plastic panel; a pair of guide rails, wherein the guide rails are fixed to the plastic panel to face each other and extend in an opening-and-closing direction of the shading sheet to hold the shading sheet in a manner permitting the shading sheet to be opened and closed; a roll-up member for rolling up the shading sheet; a frame, which extends in a facing direction of the guide rails, links the guide rails to each other and holds the roll-up member; an elongated hole formed in at least one of end portions of the frame in the facing direction of the guide rails, wherein the elongated hole extends at least in the facing direction of the guide rails; an engaging member inserted into the elongated hole, wherein the engaging member engages with the guide rails and the frame to permit relative movement of the guide rails and the frame at least in the facing direction of the guide rails; and a moving member cooperating with an edge portion of the shading sheet in the opening-and-closing direction; the sunshade for a vehicle being characterized by comprising: an urging member accommodated in the moving member, wherein the urging member urges the moving member toward one of the guide rails, and the urging member is configured to permit displacement of the guide rails in the facing direction caused by deformation of the plastic panel; and a pair of shoes fitted into the guide rails to hold the moving member with respect to the guide rails in a slidable manner, each of the shoes being urged toward the correspondinq guide rail, wherein opposite end portions of the moving member are held via the shoes with respect to the guide rails, and the moving member is centered toward an inner direction with respect to the guide rails a plastic panel configuring at least a part of the roof of the vehicle and including a translucent portion; a shading sheet for unshading and shading the translucent portion of the plastic panel; a pair of guide rails, wherein the guide rails are fixed to the plastic panel to face each other and extend in an opening-and-closing direction of the shading sheet to hold the shading sheet in a manner permitting the shading sheet to be opened and closed; a roll-up member for rolling up the shading sheet; a frame, which extends in a facing direction of the guide rails, links the guide rails to each other and holds the roll-up member; an elongated hole formed in at least one of end portions of the frame in the facing direction of the guide rails, wherein the elongated hole extends at least in the facing direction of the guide rails; an engaging member inserted into the elongated hole, wherein the engaging member engages with the guide rails and the frame to permit relative movement of the guide rails and the frame at least in the facing direction of the guide rails; and a moving member cooperating with an edge portion of the shading sheet in the opening-and-closing direction; the sunshade for a vehicle being characterized by comprising: an urging member accommodated in the moving member, wherein the urging member urges the moving member toward one of the guide rails, and the urging member is configured to permit displacement of the guide rails in the facing direction caused by deformation of the plastic panel; and a pair of shoes fitted into the guide rails to hold the moving member with respect to the guide rails in a slidable manner, each of the shoes being urged toward the correspondinq guide rail, wherein opposite end portions of the moving member are held via the shoes with respect to the guide rails, and the moving member is centered toward an inner direction with respect to the guide rails an urging member accommodated in the moving member, wherein the urging member urges the moving member toward one of the guide rails, and the urging member is configured to permit displacement of the guide rails in the facing direction caused by deformation of the plastic panel; and a pair of shoes fitted into the guide rails to hold the moving member with respect to the guide rails in a slidable manner, each of the shoes being urged toward the correspondinq guide rail, wherein opposite end portions of the moving member are held via the shoes with respect to the guide rails, and the moving member is centered toward an inner direction with respect to the guide rails