Juku

A crisp 16:9 Japanese high-school Earth Science lesson on washi-white pages: deep indigo serif headings, big persimmon, shu-red and slate fields for openers, questions and section breaks with giant chapter numerals, risograph-print scenes, inked figures in ruled boxes with numbered captions, keylined formula boxes with variable legends, green exam-tip and red common-mistake strips, MCQs with a revealed answer, mark tags and past-paper questions for entrance-exam prep.