A protrusion portion of a clip member is abutted against an end face of a front glass lower end, and the clip member is fixed to a back face of the front glass via an adhesive agent. An engagement portion that is formed in a tongue piece of a cowl-top cover is engaged with a target engagement portion of the clip member, and the cowl-top cover is mounted in a state in which a surface of the cowl-top cover and a surface of the front glass are arranged so as to be flush with each other. In addition, an engagement direction is defined as an engagement direction taken along a lengthwise direction oriented from a lower end to an upper end of the front glass.