Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ by Daiki Inoshita is a highly esteemed winner of the very prestigious 2026 Àmì-ẹ̀yẹ Fàdákà A' Design Award in Àpẹẹrẹ Àyà Inú Ilé àti Ibi Àfihàn Competition Category.
FàdákàInú Ilé· 2026
Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ
Client: H.I.S. Co., Ltd.
Àmì-ẹ̀yẹ Fàdákà A' Design Award Winner in Inú Ilé Category
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The Design
About Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ
Ọ̀rọ̀ Ìwé: Kaisen Viking Iroha jẹ́ ilé oúnjẹ búffé tí ó ní agbára gbígbà ọ̀pọ̀ ènìyàn, tí ó tún ìtumọ̀ jíjẹun ṣe gẹ́gẹ́ bí ìrírí ààyè àti ìlú. Kọ́ntà búffé tí ó wà ní àárín gbùngbùn ń ṣètò ìrìnkiri sí ìyíká tí ó ń bá a lọ láìdáwọ́dúró, ní dídín ìdíwọ́ kù nígbà tí ó ń mú kíkedára pọ̀ sí i. Àwòṣe náà ṣàkópọ̀ ìwòye jíngírí ti Tokyo Dome City gẹ́gẹ́ bí ẹ̀yà ìṣiṣẹ́ ti inú ilé, ní yíyí ìlú padà sí ẹ̀yìnwá tí ó ń ṣiṣẹ́. Òkúta àdánidá àti igi tí a gé ní ìdí rẹ̀ ń mú dídúró pẹ́ àti ìjìnlẹ̀ ohun èlò wá. Iṣẹ́ àkànṣe náà gbé jíjẹun búffé ga sí ètò ààyè tí ó rì ni bọmi.
The Recognition
About the Àmì-ẹ̀yẹ Fàdákà A' Design Award
Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ jẹ́ olùborí Àmì-ẹ̀yẹ Fàdákà A' Design Award, ìdánimọ̀ onípọ̀nlé lọ́nà àrà ọ̀tọ̀ tí a fún àwọn àwòṣe ìpele gíga jùlọ tó dára tó sì ń kan ọkàn. Àwọn olùborí Fàdákà jẹ́ àwọn iṣẹ́ tó ń tàn yòò gidigidi tó sì ní ìṣẹ̀dá púpọ̀ tí wọ́n ń ṣàfihàn ìmọ̀ ìjìnlẹ̀, ẹ̀bùn àti ìmọ̀ràn àwọn olùṣàwòṣe wọn. A retí pé Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ yóò jẹ́ iṣẹ́ àgbàyanu, àpẹẹrẹ rere, ti ọ̀jáfáfá lọ́nà tó ṣe pàtàkì tó sì ní ìmúṣẹ̀dá tuntun jinlẹ̀. Àwòṣe tó borí Àmì-ẹ̀yẹ Fàdákà A' Design Award yìí jẹ́ ohun ìmúṣẹ̀dá tó hàn gbangba gidigidi tí a mọrírì tó ń ṣe anfàní tó sì ń tì ààlà iṣẹ́ ọnà, sáyẹ́ǹsì, àwòṣe àti ìmọ̀-ẹ̀rọ síwájú. Kaisen Viking Iroha Iṣẹ́ Àkọ́kọ́: Inú Ilé Oúnjẹ jẹ́ ẹ̀dá tí ọ̀pọ̀lọpọ̀ ń ṣe ìlara, tó ń jí ìfẹ́ inú, tó ń mú ìmọ̀lára rere wá tó sì ń jí ìyàlẹ́nu àti ìyanu.
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- Kaisen Viking Iroha reinterprets the conventional buffet by synchronizing spatial composition, circulation, and urban context. A centrally positioned buffet counter organizes movement, while the surrounding panoramic views of Tokyo Dome City establish a continuous dialogue between interior and exterior.
The design shifts the buffet from a purely functional dining system into a layered experience where guests engage with food, space, and city simultaneously. Material selections such as natural stone and end-grain wood reinforce durability while expressing the passage of time, creating a tactile and atmospheric depth rarely achieved in high-turnover dining environments. - Dimensions & Packaging
- Restaurant interior project featuring a centrally positioned buffet counter, fixed seating zones, and integrated bar functions. Materials include natural stone, end-grain wood, metal framing, and indirect lighting systems. The layout was designed to accommodate high guest turnover while maintaining clear circulation and efficient staff access within a large-scale dining environment.
- Tags
- Restaurant Interior, Buffet Restaurant, Japanese Contemporary Design, Interior Architecture, Material Expression, Dining Experience, Spatial Circulation, Urban Dining Experience
- Production Technology
- The interior was realized through close coordination between spatial planning, custom-built buffet counters, and integrated lighting systems. Natural stone surfaces and end-grain wood elements were precisely fabricated to withstand intensive daily use. Layered indirect lighting enhances material depth while supporting operational clarity. The project balances craftsmanship with efficiency through detailed construction management and material selection.
- Design Challenge
- The primary challenge was to integrate high operational efficiency with a meaningful spatial identity that connects the dining experience to its urban surroundings. This required balancing durability, circulation clarity, and visual openness without compromising comfort or atmosphere.
- Research
- Type of Research: Spatial and operational design research.
Research Objectives: To elevate the buffet dining experience through spatial quality.
Methodology: Analysis of circulation, material durability, and user behavior.
Results: Enhanced operational efficiency and a redefined dining experience that integrates urban context as a spatial asset. The project demonstrates that high-turnover restaurants can achieve both performance and experiential depth by aligning circulation, materiality, and environmental integration. - Inspiration
- The project redefines the buffet as an urban dining experience, integrating the surrounding Tokyo Dome Cityscape into the interior as an active spatial component. Inspired by the Japanese concept of borrowed scenery, the design captures the energy, light, and temporal shifts of the city, transforming them into an integral part of the dining experience.
Rather than isolating the interior from its context, the project embraces the city as a dynamic backdrop, allowing guests to experience both the immediacy of food and the evolving presence of the urban environment simultaneously. - Project Duration
- The project was designed and completed in 2025 in Tokyo Dome City, Tokyo, Japan.
- Operation Flow
- Guests enter through a defined entrance sequence and naturally circulate around the central buffet counter. Seating areas offer multiple dining options, while staff workflows are optimized through clear zoning and direct access to service areas.
- Patents
- Copyrights belong to the project owner, 2025.
- Image Credits
- Image #1: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #2: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #3: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #4: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #5: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
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