a display unit in a shape of a rectangular film, the display unit being configured to be advanced from and withdrawn into a ceiling of a vehicle cabin;

a lower edge reinforcing portion located at a lower edge of the display unit, the lower edge reinforcing portion reinforcing the lower edge of the display unit;

a support mechanism configured to be extended and retracted according to an amount by which the display unit protrudes beyond the ceiling, and configured to support the display unit;

a cover configured to be located on the ceiling, the cover being configured to open and close as the display unit is advanced and withdrawn, wherein

a longitudinal direction of the cover is in a lateral direction of a vehicle;

the support mechanism includes a pair of support arms that includes a first support arm and a second support arm;

the first support arm is provided on a first end of the cover in the longitudinal direction of the cover and is configured to support the lower edge reinforcing portion; and

the second support arm is provided on a second end of the cover in the longitudinal direction of the cover and is configured to support the lower edge reinforcing portion, wherein:

the lower edge reinforcing portion is provided with a pair of caught portions including a first caught portion and a second caught portion,

the first caught portion is located on a first end of the lower edge reinforcing portion in a longitudinal direction of the lower edge reinforcing portion and the second caught portion is located on a second end of the lower edge reinforcing portion in the longitudinal direction of the lower edge reinforcing portion; and

a first catching portion that is configured to catch the first caught portion is provided on a distal end of the first support arm, and a second catching portion that is configured to catch the second caught portion is provided on a distal end of the second support arm.