The building was planned to be the largest church in Japan at around the size of a baseball stadium, holding 250 or more people even during its construction. It is composed of seven chapels, each intended to be used to carry out one of the Seven Sacraments. The size of the respective chapels varies as their construction and the funds expended on each differed depending on each chapel's individual importance and how often they are used. The two largest are the Marriage Chapel and the Fuyou Chapel, the latter being the second largest which is used for funerals. Other chapels are the Holy Order Chapel and the Confirmation Chapel, which although important religiously are smaller as they cannot make money, and the Baptism Chapel. Due to the church also being a tourist attraction the Roman Catho