/* 既存のヘッダーアニメーション（変更なし） */
.navbar.fixed-top {
    transition: transform 0.3s ease-in-out;
}
.navbar.fixed-top.hidden {
    transform: translateY(-100%);
}

/* フルスクリーンモーダルのスタイル */
#imageModal.modal-fullscreen {
    top: 0 !important;
    z-index: 1060 !important;
}
#imageModal .modal-dialog {
    margin: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
}
#imageModal .modal-content {
    height: 100vh !important;
    border-radius: 0 !important;
    background-color: #333333 !important;
}
#imageModal .modal-body {
    padding: 0 !important;
    height: 100vh !important;
}
#imageModal .swiper {
    width: 100% !important;
    height: 100vh !important;
    padding-bottom: 50px !important;
}
#imageModal .swiper-slide {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh !important;
}
#imageModal .swiper-slide img {
    max-width: 100%;
    max-height: calc(100vh - 120px);
    object-fit: contain;
}
#imageModal .modal-backdrop {
    top: 0 !important;
    height: 100vh !important;
    background-color: rgba(0, 0, 0, 0.7) !important;
    z-index: 1048 !important;
}

/* body.modal-open のパディング無効化 */
body.modal-open {
    padding-top: 0 !important;
}

/* その他のモーダル（#imageModal 以外）は既存のオフセットを維持 */
.modal:not(#imageModal) {
    top: 60px;
}
.modal:not(#imageModal) .modal-dialog {
    margin-top: 60px;
}
.modal:not(#imageModal) .modal-backdrop {
    top: 60px;
}