hugo-theme-stack/demo/config/_default/languages.toml

[en]
    languageName = "English"
    title        = "Hugo Theme Stack"
    weight       = 1

    [en.params.sidebar]
        subtitle = "Card-style Hugo theme designed for bloggers"

[zh]
    languageName = "简体中文"
    title        = "Hugo 主题 Stack"
    weight       = 2

    [zh.params.sidebar]
        subtitle = "为博客设计的卡片式 Hugo 主题"

[zh-hant-tw]
    languageName = "正體中文"
    title        = "Hugo 主題 Stack"
    weight       = 3

    [zh-hant-tw.params.sidebar]
        subtitle = "為博客設計的卡片式 Hugo 主題"

[ja]
    languageName = "日本語"
    title        = "Hugo Theme Stack"
    weight       = 4

    [ja.params.sidebar]
        subtitle = "ブログ用のカードスタイルの Hugo テーマ"