Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu by Nobuaki Miyashita

Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu by Nobuaki Miyashita is a highly esteemed winner of the very prestigious 2025 A' Design Award Qullqi Premiu in Ukupi Kamay Competition Category.

QullqiUkupi· 2025

Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu

by Nobuaki Miyashita

Client: Life Housing Co., Ltd.,

A' Design Award Qullqi Premiu Winner in Ukupi Category

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Colors

The Design

About Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu

Tokumitsu Taanto nisqaqa huk runa llaqtapaq hisp'ana wasi ukhun, Hakusan, Ishikawa, Japón suyupi tarikun. Chay wasi ukhuqa 25 metro cuadrado hatunmi, hanaq pampantaq 2.90 metro sayayniyoq. 3,000 aswan quri raphi tejakunam pirqakunata p'ampan. Sapa tejaqa 200 milímetro cuadrado porcelana tejam, hawan llamk'asqa uyayoq, Kanazawa quri raphiwan makiwan churasqa tukusqa. Chay tejakunaqa yana pampapi churasqa kanku, mana chiqan k'anchaytaq churasqa kachkan qurip lliphipiq kayninta rikuchinanpaq. Kay diseñoqa Japonpa ñawpa makiruwayninta kunan pacha runa llaqtapaq kancha ukhuman churan.

The Recognition

About the A' Design Award Qullqi Premiu

Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu A' Design Award Qullqi Premiu mishak kan, ancha jatun yupaychay, kayta hanak, sumak shinallatak mancharina diseñukunaman kun. Qullqi mishak kashkakunaka ancha achikyaska shinallatak ancha mushuk ruraykunami, paykunata rurakkunapak yachayta, yuyayta shinallatak ushayta rikuchinku. Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu ruray yachak, ñawpak shinallatak mushuk yuyayta charik sumak rurashka kanata munanku. Kay Qullqi Premiu japishka diseñuka ancha riksishka shinallatak yupaychashka yuyay kan, arti, siensia, diseñu shinallatak tekinolojía ñawpak ñankunata kichuk. Tokumitsu Taanto Runa Llaqtapaq Hisp'ana Wasi Ukhu achka runakunapak munashka rurashka kan, munayta kallarichin, alli yuyaykunata kun shinallatak mancharichin.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: The Golden Restroom at Hakusan Gateway Tokumitsu TaanTo is a one-of-a-kind interior space featuring Kanazawa gold leaf, a traditional Japanese craft. Over 3,000 gold leaf tiles adorn the walls, shifting in appearance with changing light. Set against a dark backdrop, indirect lighting accentuates the golden glow, creating a surreal experience akin to a luminous chamber floating in space.
Dimensions & Packaging: Room area: 25 square meters Ceiling height: 2.90m
Tags: interior design, gold leaf, luxury restroom, Kanazawa, cultural heritage, immersive experience
Production Technology: The gold leaf tiles are crafted using the UNESCO-listed Hand-Applied Gold Leaf technique. Each 200mm square porcelain tile features textured surfaces enhanced by meticulously applied gold leaf, creating depth and richness. The lighting design is strategically planned to maximize gold’s reflective qualities, enveloping the space in a serene, ethereal glow.
Design Challenge: The greatest challenge was crafting a space that maximizes the texture of gold leaf while maintaining a refined and immersive ambiance. Detailed studies of light angles and reflectivity were conducted to create a lighting design that showcases gold at its most mesmerizing.
Research: English: Type of Research: Interior design study Objective: Exploring the potential of traditional craftsmanship in spatial design Methodology: Analysis of gold leaf’s light reflection properties, lighting simulations Data Collection: Reflectivity measurements, visitor sensory evaluations Results: Creation of an immersive design using gold leaf Impact: Introducing new applications for Japanese traditional crafts
Inspiration: English: The core inspiration of this project is to transform the beauty of Kanazawa gold leaf, a symbol of Kaga culture, into a contemporary spatial experience. The golden enclosure is designed to immerse visitors in the profound artistry of traditional craftsmanship. The interplay of gold's sheen and shadows evolves with time, creating a mesmerizing atmosphere.
Project Duration: The project is located in Hakusan, Ishikawa, Japan, and was completed in April 2021.
Operation Flow: The restroom offers visitors an immersive experience enveloped in golden radiance. Indirect lighting dynamically alters the expression of the gold leaf, transforming the space into a living artwork of light and shadow. Users feel as if they have stepped into an art installation, elevating a routine activity into an extraordinary encounter.
Patents: N/A
Team Members: N/A
Image Credits: Image #1,#2,#3,#4,#5: Photographer Nobuaki Miyashita, 2021