FK Kindergarten and Nursery: Redefining Kindergarten Architecture on Sloped Sites in Fukahori Town

Designed by HIBINOSEKKEI, Youji no Shiro, and Kids Design Labo, the FK Kindergarten and Nursery is a powerful demonstration of how thoughtful kindergarten architecture on sloped sites can transform topographic constraints into spatial opportunities. Located in Fukahori Town, Nagasaki Prefecture—a coastal area rich in fishing history and hillside settlements—the project draws directly from its cultural and physical landscape to create an engaging, child-centered environment.

Integrating Terrain and Tradition in Design

The project site features a nearly 7-meter elevation difference, typical of the sloping terrain of Fukahori. While many institutional projects might have opted to flatten such a site, the architects instead chose to embrace the slope, using it to reduce the building’s environmental impact and to enrich the learning and play experience for children.

This sensitive siting strategy minimizes excavation, avoids excessive soil transport, and reduces CO₂ emissions. But more significantly, the slope becomes an asset—transformed into an adventurous playground that supports the physical and cognitive development of young learners. It reflects the way Fukahori residents have long coexisted with the land, building homes tightly along narrow, sloping streets.

A Three-Part Composition Following the Landscape

The kindergarten is composed of three main volumes: one at the top of the slope, one at the bottom, and a connecting corridor that bridges them. This linear configuration directly reflects the narrow alleyways of the town, and the corridor becomes much more than just a transitional space. With its expansive staircase and built-in climbing net, it is a hybrid zone of movement, interaction, and imaginative play—where indoors and outdoors blend seamlessly.

The design encourages continuous exploration, allowing children to run up and down the slope, engage in spontaneous activity, and discover new paths of movement that change with the weather and seasons. This spatial openness supports a pedagogy rooted in experiential learning, where the architectural form itself becomes a teacher.

Material Expression Rooted in Place

Material selection reinforces the project’s strong connection to place. The exterior walls, interior finishes, and furniture adopt the hues and textures of Nagasaki: blue echoing the harbor waters, red referencing historic brick architecture from foreign influences, and earthy tones evoking the stone-paved alleys of the old town.

This local color palette gives the children a tangible connection to their hometown, subtly embedding a sense of identity and belonging within the architectural fabric. From the highest point of the playground, children can look out over the town and the ocean—an act of orientation that makes the environment feel both expansive and intimately theirs.

A Model for Contextual Early Childhood Architecture

FK Kindergarten and Nursery stands as a forward-thinking model for kindergarten architecture on sloped sites, showing how environmental, cultural, and social dimensions can be harmonized in educational design. Rather than impose a generic building on the land, the architects crafted a space that grows out of the terrain—one that transforms every elevation change, corridor, and view into an educational opportunity.

By allowing children to engage with their environment both physically and visually, the project nurtures curiosity, independence, and a deep-rooted understanding of place. It’s an architecture that doesn’t just house education, but actively participates in it.

All Photographs are works of Ryuji Inoue