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Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui by Nobuaki Miyashita

Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui by Nobuaki Miyashita is a highly esteemed winner of the very prestigious 2025 A' Design Award Hiriwa in Hoahoa Roto Whare me te Whakaaturanga Competition Category.


HiriwaRoto Whare· 2025

Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui

by Nobuaki Miyashita

Client: Life Housing Co., Ltd.,

A' Design Award Hiriwa Winner in Roto Whare Category

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Verified Award Winner

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Colors

The Design

About Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui

Ko Tokumitsu Taanto he rōpū whakapaipai wharepaku tūmatanui kei Hakusan, Ishikawa, Hapani. E 25 mita pūrua te rahi o te rūma, ā, e 2.90 mita te teitei o te tuanui. Neke atu i te 3,000 ngā taera pepa koura e uhi ana i ngā pakitara. He taera pōhatu tapawhā 200 manomita ia taera, he mata whai kakano, ā, kua whakaotia ki te pepa koura o Kanazawa i pania ā-ringatia. Kua whakanohoia ngā taera ki runga i tētahi papamuri pōuri, ā, kua whakaritea he rama autaki hei whakaatu i te āhua whakaata o te koura. Ka whakamahia e te hoahoa nei tētahi mahi toi tuku iho o Hapani ki tētahi wāhi tūmatanui o ēnei rā.

The Recognition

About the A' Design Award Hiriwa

Ko Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui te toa o te A' Design Award Hiriwa, he whakaaetanga tino whai mana e hoatu ana ki ngā hoahoa taumata teitei rawa, ātaahua me te whakamīharo. Ko ngā toa Hiriwa he mahi tino kanapa, tino auaha e whakaatu ana i te mātanga, te pūmanawa me te mōhio hōhonu o ā rātou kaihoahoa. E tūmanakohia ana ko Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui he mahi whakamīharo, he tauira, he tino ngaio, he auaha hōhonu. Ko tēnei hoahoa i toa i te Hiriwa he hanganga rongonui, whakamīharotia e whai wāhi ana ki te whakawhānui i ngā rohe o te toi, te pūtaiao, te hoahoa me te hangarau. Ko Tokumitsu Taanto Te Rōpū Whakapaipai Whare Wharepaku Tūmatanui he mahi e hae ana te tini, e whakaara ana i ngā hiahia, e kawe mai ana i ngā kare-ā-roto pai, ā, e whakaoho ana i te mīharo.

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

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