Saint Ignatius Church.

Most churches hide their theology in paintings and altarpieces. Saint Ignatius built its theology into the load-bearing structure. Twelve concrete columns ring the oval nave, each one representing an apostle — and each one holding up the roof. Remove one, and the building fails. The symbolism is not decorative; it is structural, which makes it harder to ignore.

The oval footprint itself is unusual for a Catholic church. Completed in 1999 by Shimizu Corporation to a design by Makoto Endo of Sakakura Associates, the sanctuary seats roughly 700 people arranged radially around a central altar — not facing it from one direction like a theater audience, but surrounding it like guests at a table. This is post-Vatican II liturgical architecture taken seriously: the congregation doesn't watch the Mass, it participates. The acoustics reward this arrangement. Spoken words from the altar reach every seat with startling clarity, wrapping around the oval rather than bouncing off flat walls. Sit at different distances and the sound character shifts — under the organ loft, the bass becomes physical; mid-nave, the priest's voice arrives as if amplified, though it isn't.

European stained glass tells stories — saints and martyrs frozen in colored light. The twelve windows at Saint Ignatius do something different. Each one depicts nature as God's creation: plants, elemental forms, patterns of growth and light. No biblical narratives, no human figures. The effect is closer to looking through a kaleidoscope pressed against a forest than reading scripture on a wall.

No two windows share a color composition or pattern, and because they run vertically along the oval's perimeter, the interior changes character every hour. Morning Mass at 9:00am catches eastern light through certain panels, throwing pale color across the latticed concrete walls. By noon — when the English-language Mass draws its international congregation — the light has shifted to something more diffuse and even. Late afternoon turns the western windows incandescent. The concrete walls were deliberately textured with a lattice pattern that catches and scatters this light, giving warmth to a material most people associate with parking garages. Bring a camera, but come twice: the church you see at 10:00am is not the church you see at 4:00pm.

The main sanctuary gets the attention, but two smaller chapels hide deeper histories. The Chapel of St. Francis Xavier honors the Jesuit missionary who landed at Kagoshima in 1549 — the first Christian in Japan. The Tokugawa shogunate eventually crushed his mission with systematic persecution. That a Tokyo Jesuit church still maintains Xavier's chapel four centuries later is not nostalgia; it is an act of institutional memory with teeth.

The Chapel of Mary offers something simpler: silence. Smaller, more intimate, open during church hours for anyone who wants to sit without an agenda. And somewhere in this complex — not prominently signposted — lies the grave of Heinrich Dumoulin, the German Jesuit theologian who spent decades at neighboring Sophia University writing what remain the definitive Western studies of Zen Buddhism. Dumoulin died in 1995, just as construction on the current building began. He built intellectual bridges between Catholic and Buddhist thought that most interfaith conferences still haven't caught up to. His body rests here, steps from the university where he worked, in a church most visitors experience without knowing he's beneath their feet. Ask at the information center — they can point you to the spot.