# Penguin Cover System (ペンギン・ブックスの表紙) — image generation prompt
# IndexStyle No.326 — https://indexstyle.org/styles/penguin-covers
# Style descriptors only. Never imitates a specific artist, studio, brand or work.

An original image in the visual language of Penguin Cover System (Style, Publishing and Editing, 1935–). Visual cues: Color-coded bands; Rigorous composition rules; The Marber grid; Consistency as a series. Mood: Trust, Calm, Play. Color cues: #e9e6dd, #67635d, #171615.

Constraints: do not imitate, reference or name any specific artist, studio, brand, character or copyrighted work.
Produce an original composition that follows the general period style described above.
Full design spec: https://indexstyle.org/styles/penguin-covers/design.md