/* サイドバーメニュー */
#sidebarMenu {
    width: 210px;
}

.sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #6c757d;
    padding: 0.75rem 1rem 0.25rem;
    text-transform: uppercase;
}

.sidebar-group-toggle {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.45rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #212529;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.15s;
}

.sidebar-group-toggle:hover {
    background-color: #e9ecef;
}

.sidebar-group-toggle .chevron {
    margin-left: auto;
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.sidebar-group-toggle.collapsed .chevron {
    transform: rotate(-90deg);
}

.sidebar-item {
    display: block;
    padding: 0.35rem 1rem 0.35rem 2.2rem;
    font-size: 0.85rem;
    color: #495057;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s;
}

.sidebar-item:hover {
    background-color: #e9ecef;
    color: #212529;
    text-decoration: none;
}

.sidebar-item.active {
    background-color: #0d6efd1a;
    color: #0d6efd;
    font-weight: 600;
}

.sidebar-item.disabled {
    color: #adb5bd;
    pointer-events: none;
    cursor: default;
}

.sidebar-group-disabled .sidebar-group-toggle {
    color: #adb5bd;
    cursor: default;
}

.sidebar-divider {
    border-top: 1px solid #dee2e6;
    margin: 0.5rem 0;
}

/* ─── ピン留めレイアウト ─── */
body.sidebar-pinned #sidebarMenu {
    top: 56px;
    height: calc(100% - 56px);
    transform: none !important;
    visibility: visible !important;
    box-shadow: 2px 0 5px rgba(0,0,0,.12);
}

body.sidebar-pinned .offcanvas-backdrop {
    display: none !important;
}

#page-content {
    transition: margin-left 0.2s ease;
}

body.sidebar-pinned #page-content {
    margin-left: 210px;
}

#btn-sidebar-pin.pinned i {
    color: #ffc107;
}