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Momochidori: Where Tradition Meets Technology

Momochidori is Japan’s first variable font with adjustable aspect ratio, marking a new chapter in Japanese typography. Designed to break away from the constraints of fixed character proportions, Momochidori allows for dynamic adjustments in width and height, offering greater flexibility, readability, and expressive potential across diverse media and contexts.

The font was developed to digitally capture the expressive qualities found in historical Japanese typography—such as hand-painted signage and early print materials—where proportions and spacing were often fluid and context-sensitive. These analog characteristics, once difficult to reproduce in digital environments, are now made possible through variable font technology. Momochidori was designed in close alignment with Adobe’s application ecosystem, ensuring seamless integration and usability across creative workflows.

In this presentation, I will introduce the concept behind Momochidori, share insights into its design process, and highlight the technical breakthroughs that made it possible. I will also showcase real-world applications, demonstrating how the font performs in editorial, UI, and branding contexts.Momochidori is not just a new typeface—it is a new way of thinking about Japanese text design. By bridging tradition and technology, it opens up fresh possibilities for typographic expression and sets a precedent for future developments in Japanese font engineering.

Ryoko Nishizuka
Speaker

Ryoko Nishizuka

Principal Designer, AdobeBorn in Fukushima in 1972, Ryoko Nishizuka is a leading Japanese type designer. After graduating from Musashino Art University in 1995, she joined Adobe in 1997 and contributed to the development of “Kozuka Mincho” and “Kozuka Gothic” under Masahiko Kozuka. Her notable works include “Ryo,” “Kazuraki,” “Source Han Sans / Noto Sans CJK,” “Source Han Serif / Noto Serif CJK,” and “Ten Mincho.” In 2025, she released “Momochidori,” the first Japanese variable font with adjustable aspect ratio. Her design philosophy blends tradition and innovation, and she studied calligraphy under Hōgetsu Yajima, receiving the art name “Seihō.” Nishizuka’s work continues to shape the future of Japanese typography.