/* 上部バナー */
.pg-chat-notice {
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: .75rem 1rem;
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
    border-left: 0; border-right: 0;
    font-size: 14px;
}

/* モーダル（使う場合） */
.pg-chat-modal { position: fixed; inset: 0; z-index: 2000; }
.pg-chat-modal__backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.5); }
.pg-chat-modal__dialog {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%);
    background: #fff; max-width: 520px; width: calc(100% - 2rem);
    border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,.2);
    padding: 1rem 1rem 1.25rem;
}
.pg-chat-modal__title { font-weight: 600; margin-bottom: .5rem; }
.pg-chat-modal__body { font-size: 14px; line-height: 1.6; margin-bottom: 1rem; }
.pg-chat-modal__btn { display: inline-block; padding: .5rem 1rem; border: 1px solid #ccc; background: #f5f5f5; cursor: pointer; }