Table of Contents
インターバル(〜度)

長短系インターバル:2、3、6、7
完全系インターバル:1、4、5、8
長2度(半×2)
C→D
D→E
E→F ♯
F→G
G→A
A→B
B→C♯
短2度(半×1)
C→C♭
D→E♭
E→F
F→G♭
G→A♭
A→B♭
B→C
長3度(半×4)
C→E
D→F♯
E→G♯
F→A
G→B
A→C♯
B→D♯
短3度(半×3)
C→E♭
D→F
E→G
F→A♭
G→B♭
A→C
B→D
コードトーン
コードを構成する上で必要。
1、C
3、E
5、G
7、B
テンション
コードを構成する上で不必要。
テンション1-5
コードにつけるとおしゃれ!
9、D
11、F
13、A
投稿者プロフィール

- I am an advisor and lecturer with over 30 years of experience in the fashion industry, both in Japan and internationally. Leveraging practical, hands-on expertise gained in the field—from product planning and sales strategy to brand building—I support small and mid-sized brands in increasing revenue and solving management challenges. Achieving tangible results for my clients is my greatest motivation, and I focus on providing realistic, actionable, and repeatable solutions. If you are facing challenges in growing your brand or improving your business performance, please feel free to reach out. I am committed to contributing to the sustainable development of the apparel industry.
最新の投稿
- 2026-03-05English#1268 “Human-Made Profit Strategy” — A Japan-Born Brand That Earns Worldwide
- 2026-03-04English#1267“Mental Performance (Menpa)” Designing decision-free systems that protect profit
- 2026-03-01How Fashion Brands Make Profit#1258「ユニクロ式利益構造」粗利率で勝つ経営設計
- 2026-03-01How Fashion Brands Make Profit#1258 《优衣库式利润结构》 以毛利率取胜的经营设计




