/* ---------- ヘッダー ---------- */

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px;
    border-bottom: 1px solid var(--color-secondary);
}

.site-header__logo {
    display: block;
    margin-bottom: 10px;
    padding: 0 16px;
    line-height: normal;
    font-family: 'Noto Sans JP';
    font-weight: 400;
    text-align: center;
}

.logo {
    position: static;
    display: flex;
    flex-direction: column;
    width: fit-content;
}

    .logo .logo-over {
        display: flex;
        flex-direction: row;
        align-items: baseline;
        justify-content: center;
        gap: 4px;
    }

    .logo .logo-kanji {
        font-size: 24px;
        font-family: 'Noto Serif JP';
        font-weight: 900;
        color: var(--color-primary);
        letter-spacing: 0.05em;
        white-space: nowrap;
    }

    .logo .logo-roma {
        font-size: 20px;
        font-family: 'Edwin';
        font-style: italic;
        color: var(--color-primary);
    }

    .logo .logo-under {
        width: 100%;
        border-top: 1px solid var(--color-primary);
        font-size: 10px;
        color: var(--color-primary);
    }

.site-header__app-link {
    display: none;
    margin-left: auto;
    margin-right: 1rem;
    color: var(--color-secondary);
    font-size: 0.875rem;
}

@media (min-width: 768px) {
    .site-header__app-link {
        display: inline;
    }
}

/* ---------- パンくずリスト ---------- */

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--color-secondary);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

    .breadcrumb__item:not(:last-child)::after {
        content: "\203A"; /* › */
        margin-left: 0.25rem;
        color: var(--color-secondary);
    }

    .breadcrumb__item a {
        color: var(--color-secondary);
    }

.breadcrumb__item--current {
    color: #1a1a1a;
    font-weight: bold;
}

/* ---------- 本文レイアウト(サイドバー切り替え) ---------- */

.page-layout {
    display: block;
    padding: 0 1rem;
}

.page-layout__sidebar {
    display: none;
}

.page-layout__main {
    min-width: 0;
}

@media (min-width: 768px) {
    .page-layout {
        display: grid;
        grid-template-columns: 240px 1fr;
        gap: 2rem;
        padding: 0 2rem;
    }

    .page-layout__sidebar {
        display: block;
    }
}

/* ---------- フッター ---------- */

.site-footer {
    padding: 1.5rem 1rem;
    margin-top: 2rem;
    border-top: 1px solid var(--color-secondary);
    font-size: 0.875rem;
    color: var(--color-secondary);
    text-align: center;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

    .site-footer__links a {
        color: var(--color-secondary);
    }