:root {
    --tk-sumi: #0a0a0a;
    --tk-ink: #3a3a3a;
    --tk-stone: #888780;
    --tk-washi: #F7F2E7;
    --tk-washi-deep: #EFE9D9;
    --tk-white: #FFFFFF;
    --tk-shu: #B9301A;
    --tk-shu-bright: #E85D04;
    --tk-river: #1D9E75;
    --tk-night: #1a1a1a;

    --tk-font-display: 'Noto Serif Display', Georgia, serif;
    --tk-font-jp: 'Noto Serif JP', 'Noto Serif Display', serif;
    --tk-font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --tk-content-width: 1140px;
    --tk-narrow-width: 760px;

    --tk-radius-sm: 3px;
    --tk-radius-md: 6px;
    --tk-radius-lg: 8px;

    --tk-shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.04);
    --tk-shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.tk-kana,
.tk-jp,
[lang="ja"] {
    font-family: var(--tk-font-jp);
}

.tk-eyebrow {
    font-family: var(--tk-font-body);
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--tk-shu);
}

.tk-h-display {
    font-family: var(--tk-font-display);
    font-weight: 400;
    color: var(--tk-sumi);
    line-height: 1.05;
}

.tk-hanko {
    display: inline-block;
    background: var(--tk-shu);
    color: var(--tk-washi);
    font-family: var(--tk-font-jp);
    font-size: 11px;
    letter-spacing: 2px;
    padding: 4px 8px;
    border-radius: 2px;
}