/* ==========================================================================
   Theme: Chichibu — 夜祭の提灯の朱×奥秩父の深い紺（暫定）
   （暫定テーマ）
   ========================================================================== */

:root {
    /* --- surface (和紙) --- */
    --background: #fafafb;
    --surface-dim: #dadadd;
    --surface-lowest: #ffffff;
    --surface-low: #f4f4f6;
    --surface-container: #eeeef1;
    --surface-high: #e8e8ec;
    --surface-variant: #e3e3e7;

    /* --- text (ソフトチャコール) --- */
    --on-surface: #1b1c1e;
    --on-surface-variant: #44474e;
    --outline: #74777f;
    --outline-variant: #c4c6d0;

    /* --- primary (奥秩父の山なみの深い紺 Deep Indigo) --- */
    --primary: #2c3e52;
    --on-primary: #ffffff;
    --primary-container: #dde3ea;
    --on-primary-container: #1c2836;

    /* --- secondary (長瀞の岩畳の岩灰色 Stone Gray) --- */
    --secondary: #59564e;
    --secondary-container: #e5e1d6;
    --on-secondary-container: #423f37;

    /* --- tertiary (秩父夜祭の提灯の朱 Lantern Vermilion: CTA・開催中・アクセント専用) --- */
    --tertiary: #b8452c;
    --on-tertiary: #ffffff;

    /* --- shape（Rounded: 標準8px・大コンテナ16px） --- */
    --r: .5rem;
    --r-lg: .75rem;
    --r-xl: 1rem;
    --r-2xl: 1rem;
    --r-full: 9999px;

    /* --- layout --- */
    --container: 1200px;
    --gutter: 24px;
    --margin-mobile: 16px;
    --margin-desktop: 40px;
    --section-gap: 64px;

    /* --- type --- */
    --font-head: "Manrope", -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
    --font-body: "Noto Sans JP", "Noto Sans", -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
    --font-serif: "Noto Sans JP", "Noto Sans", -apple-system, "Hiragino Sans", sans-serif;
}
:root { --facts-bg: #eceef0; }