.account-header{position:fixed;top:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;width:100%;height:64px;padding:0 30px;box-sizing:border-box;color:#fff;background:#0056b3;box-shadow:0 2px 5px rgba(0,0,0,.14)}.account-header-title{font-size:19px;font-weight:700;letter-spacing:.4px}.account-menu{position:relative}.account-menu-trigger{display:flex;align-items:center;gap:10px;min-width:150px;height:38px;padding:0 14px;border:1px solid rgba(255,255,255,.55);border-radius:4px;color:#fff;background:rgba(0,0,0,.08);font:inherit;font-size:14px;font-weight:700;cursor:pointer;justify-content:space-between}.account-menu-trigger:hover,.account-menu-trigger[aria-expanded="true"]{background:rgba(0,0,0,.2)}.account-menu-caret{font-size:10px;transition:transform .15s ease}.account-menu-trigger[aria-expanded="true"] .account-menu-caret{transform:rotate(180deg)}.account-menu-dropdown{position:absolute;top:calc(100% + 8px);right:0;width:220px;overflow:hidden;border:1px solid #ced4da;border-radius:5px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.18)}.account-menu-dropdown[hidden]{display:none}.account-menu-dropdown form{margin:0}.account-menu-item{display:block;width:100%;min-height:44px;padding:12px 16px;box-sizing:border-box;border:0;border-bottom:1px solid #e9ecef;color:#333;background:#fff;font:inherit;font-size:14px;text-align:left;text-decoration:none;cursor:pointer}.account-menu-item:hover{color:#0056b3;background:#f2f7fc}.account-menu-logout{border-bottom:0;color:#c53030}body.has-account-header{padding-top:64px!important}body.user-menu-page.has-account-header{padding-top:0!important}body.has-video-account-header{padding-top:64px!important}body.has-video-account-header .system-container-horizontal{height:calc(100vh - 64px)}body.has-video-account-header .left-fixed-video-column,body.has-video-account-header .right-scrollable-form-column{height:calc(100vh - 104px)}.admin-main>.account-header{position:relative;flex:0 0 64px;width:100%;background:#004085;justify-content:flex-end}

/* 属性入力と視聴ユーザーメニューは、拡大表示でもヘッダーと本文を重ねずページ全体をスクロール可能にする。 */
body.scrollable-account-page.has-account-header {
    display: block !important;
    width: 100% !important;
    min-height: 100vh !important;
    height: auto !important;
    margin: 0 !important;
    padding: 96px 20px 40px !important;
    overflow-x: auto !important;
    overflow-y: auto !important;
    box-sizing: border-box !important;
}

body.scrollable-account-page .main-content,
body.scrollable-account-page .login-container {
    margin: 0 auto !important;
}

@media (max-width: 700px) {
    body.scrollable-account-page.has-account-header {
        padding: 104px 16px 32px !important;
    }

    body.scrollable-account-page .account-header {
        min-height: 80px;
        height: auto;
        padding: 10px 16px;
        gap: 12px;
    }

    body.scrollable-account-page .account-header-title {
        min-width: 0;
        font-size: 16px;
        line-height: 1.35;
        overflow-wrap: anywhere;
    }

    body.scrollable-account-page .account-menu {
        flex: 0 0 auto;
    }

    body.scrollable-account-page .account-menu-trigger {
        min-width: 132px;
        padding: 0 10px;
        font-size: 13px;
    }
}