/* ===================================
   B19 Chatbot Fixes - 完全ユニーク版
   =================================== */

/* ===================================
   新しいメッセージ送信システム
   =================================== */

/* 新しい入力ラッパー */
.ai-bot-chat-new-input-wrapper {
    display: flex !important;
    gap: 16px !important;
    align-items: flex-end !important;
    width: 100% !important;
    justify-content: flex-start !important;
}

/* 新しい入力BOX */
.ai-bot-chat-new-input {
    flex: 1 !important;
    border: 2px solid #ddd !important;
    border-radius: 20px !important;
    padding: 20px 24px !important;
    font-size: 16px !important;
    resize: none !important;
    outline: none !important;
    font-family: inherit !important;
    max-height: 200px !important;
    min-height: 80px !important;
    height: 80px !important;
    line-height: 1.5 !important;
    box-sizing: border-box !important;
    width: 100% !important;
    order: 1 !important;
    overflow-y: auto !important;
    background: #fafafa !important;
    transition: all 0.3s ease !important;
}

.ai-bot-chat-new-input:focus {
    border-color: #007cba !important;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1) !important;
    background: white !important;
}

/* 新しい送信ボタン */
.ai-bot-chat-new-send-button {
    background: #007cba !important;
    border: none !important;
    border-radius: 50% !important;
    width: 70px !important;
    height: 70px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    flex-shrink: 0 !important;
    margin-left: auto !important;
    order: 2 !important;
    position: relative !important;
    right: 0 !important;
    box-shadow: 0 4px 12px rgba(0, 124, 186, 0.3) !important;
}

.ai-bot-chat-new-send-button:hover:not(:disabled) {
    background: #005a87 !important;
    transform: scale(1.05) !important;
    box-shadow: 0 6px 16px rgba(0, 124, 186, 0.4) !important;
}

.ai-bot-chat-new-send-button:disabled {
    background: #ccc !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

.ai-bot-chat-new-send-icon {
    font-size: 20px !important;
    color: white !important;
}

/* 新しいクラス名に対応 */
.ai-bot-chat-b19-interface {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 420px !important;
    max-width: calc(100vw - 40px) !important;
    height: 500px !important;
    max-height: calc(100vh - 40px) !important;
    background: white !important;
    border: 1px solid #ddd !important;
    border-radius: 10px !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    display: flex !important;
    flex-direction: column !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
    font-size: 14px !important;
    line-height: 1.4 !important;
    overflow: hidden !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

/* 最小化状態 - 高さ調整 */
.ai-bot-chat-b19-interface.minimized {
    height: 50px !important;
    width: 250px !important;
    border-radius: 25px !important;
    background: #007cba !important;
    cursor: pointer !important;
    overflow: hidden !important;
}

/* 最大化状態 */
.ai-bot-chat-b19-interface.expanded {
    height: 700px !important;
    width: 420px !important;
    border-radius: 10px !important;
    background: white !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15) !important;
    overflow: visible !important;
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

/* 最小化時にメッセージエリアと入力エリアを非表示 */
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-messages,
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-input-area,
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-info,
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-credit {
    display: none !important;
}

/* ヘッダー */
.ai-bot-chat-b19-header {
    background: #007cba !important;
    color: white !important;
    padding: 12px 16px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    border-radius: 10px 10px 0 0 !important;
    cursor: pointer !important;
}

.ai-bot-chat-b19-title {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-weight: 600 !important;
    flex: 1 !important;
    min-width: 0 !important;
}

.ai-bot-chat-b19-title-text {
    display: block !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    flex: 1 !important;
    min-width: 0 !important;
}

.ai-bot-chat-b19-title-short {
    display: none !important;
}

/* 最小化時のタイトル表示 - 高さ調整版 */
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-title-text {
    display: block !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: 200px !important;
    flex: 1 !important;
    min-width: 0 !important;
    color: white !important;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative !important;
    z-index: 10 !important;
    text-align: center !important;
    line-height: 1.0 !important;
    height: 50px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-title-short {
    display: none !important;
}

/* 最小化時のタイトル全体の調整 - 強化版 */
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-title {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    font-weight: 600 !important;
    flex: 1 !important;
    min-width: 0 !important;
    width: 100% !important;
    position: relative !important;
    z-index: 10 !important;
    text-align: center !important;
}

/* 最小化時のヘッダー全体の調整 - 高さ調整版 */
.ai-bot-chat-b19-interface.minimized .ai-bot-chat-b19-header {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    width: 100% !important;
    height: 50px !important;
    padding: 0 16px !important;
}

.ai-bot-chat-b19-icon {
    font-size: 18px !important;
}

.ai-bot-chat-b19-status-badge {
    font-size: 10px !important;
    padding: 2px 6px !important;
    border-radius: 10px !important;
    font-weight: 500 !important;
}

.ai-bot-chat-b19-status-badge.pro {
    background: #4caf50 !important;
    color: white !important;
}

.ai-bot-chat-b19-status-badge.free {
    background: #ff9800 !important;
    color: white !important;
}

.ai-bot-chat-b19-controls {
    display: flex !important;
    align-items: center !important;
}

.ai-bot-chat-b19-toggle-btn {
    background: none !important;
    border: none !important;
    color: white !important;
    font-size: 18px !important;
    cursor: pointer !important;
    padding: 4px !important;
    border-radius: 4px !important;
    transition: background-color 0.2s !important;
}

.ai-bot-chat-b19-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}

/* メッセージエリア - LINE風デザイン */
.ai-bot-chat-b19-messages {
    flex: 1 !important;
    overflow-y: auto !important;
    padding: 16px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 8px !important;
    background: #f8f9fa !important;
}

.ai-bot-chat-b19-message {
    display: flex !important;
    flex-direction: column !important;
    max-width: 80% !important;
    margin-bottom: 8px !important;
}

.ai-bot-chat-b19-bot-message {
    align-self: flex-start !important;
}

.ai-bot-chat-b19-user-message {
    align-self: flex-end !important;
}

/* LINE風吹き出しデザイン */
.ai-bot-chat-b19-message-content {
    position: relative !important;
    padding: 12px 16px !important;
    border-radius: 18px !important;
    word-wrap: break-word !important;
    margin: 4px 0 !important;
    max-width: 100% !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1) !important;
}

/* ボットメッセージ（左側） */
.ai-bot-chat-b19-bot-message .ai-bot-chat-b19-message-content {
    background: white !important;
    color: #333 !important;
    border-bottom-left-radius: 4px !important;
    margin-right: 20px !important;
    border: 1px solid #e0e0e0 !important;
}

/* ボットメッセージの吹き出し矢印（左側） */
.ai-bot-chat-b19-bot-message .ai-bot-chat-b19-message-content::before {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: -8px !important;
    width: 0 !important;
    height: 0 !important;
    border: 8px solid transparent !important;
    border-right-color: white !important;
    border-bottom: none !important;
    border-left: none !important;
}

/* ユーザーメッセージ（右側） */
.ai-bot-chat-b19-user-message .ai-bot-chat-b19-message-content {
    background: #007cba !important;
    color: white !important;
    border-bottom-right-radius: 4px !important;
    margin-left: 20px !important;
}

/* ユーザーメッセージの吹き出し矢印（右側） */
.ai-bot-chat-b19-user-message .ai-bot-chat-b19-message-content::before {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    right: -8px !important;
    width: 0 !important;
    height: 0 !important;
    border: 8px solid transparent !important;
    border-left-color: #007cba !important;
    border-bottom: none !important;
    border-right: none !important;
}

.ai-bot-chat-b19-message-time {
    font-size: 11px !important;
    color: #666 !important;
    margin-top: 4px !important;
    padding: 0 8px !important;
}

.ai-bot-chat-b19-bot-message .ai-bot-chat-b19-message-time {
    text-align: left !important;
}

.ai-bot-chat-b19-user-message .ai-bot-chat-b19-message-time {
    text-align: right !important;
}

/* 入力エリア */
.ai-bot-chat-b19-input-area {
    border-top: 1px solid #e0e0e0 !important;
    padding: 24px !important;
    background: white !important;
}

.ai-bot-chat-b19-input-wrapper {
    display: flex !important;
    gap: 12px !important;
    align-items: flex-end !important;
    width: 100% !important;
    justify-content: flex-start !important;
}

.ai-bot-chat-b19-input {
    flex: 1 !important;
    border: 1px solid #ddd !important;
    border-radius: 20px !important;
    padding: 28px 32px !important;
    font-size: 18px !important;
    resize: none !important;
    outline: none !important;
    font-family: inherit !important;
    max-height: 300px !important;
    min-height: 120px !important;
    height: 120px !important;
    line-height: 1.6 !important;
    box-sizing: border-box !important;
    width: 100% !important;
    order: 1 !important;
    overflow-y: auto !important;
}

.ai-bot-chat-b19-input:focus {
    border-color: #007cba !important;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1) !important;
}

.ai-bot-chat-b19-send-button {
    background: #007cba !important;
    border: none !important;
    border-radius: 50% !important;
    width: 80px !important;
    height: 80px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    transition: background-color 0.2s !important;
    flex-shrink: 0 !important;
    margin-left: auto !important;
    order: 2 !important;
    position: relative !important;
    right: 0 !important;
}

.ai-bot-chat-b19-send-button:hover:not(:disabled) {
    background: #005a87 !important;
}

.ai-bot-chat-b19-send-button:disabled {
    background: #ccc !important;
    cursor: not-allowed !important;
}

.ai-bot-chat-b19-send-icon {
    font-size: 16px !important;
    color: white !important;
}

/* 文字数カウンター */
.ai-bot-chat-b19-character-counter-wrapper {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 8px 16px !important;
    background: #f8f9fa !important;
    border-top: 1px solid #e0e0e0 !important;
    font-size: 12px !important;
}

.ai-bot-chat-b19-character-counter {
    color: #666 !important;
    font-weight: 500 !important;
}

.ai-bot-chat-b19-character-counter.warning {
    color: #ff9800 !important;
}

.ai-bot-chat-b19-character-counter.error {
    color: #f44336 !important;
}

.ai-bot-chat-b19-input-status {
    font-size: 11px !important;
    font-weight: 500 !important;
}

.ai-bot-chat-b19-input-status.valid {
    color: #4caf50 !important;
}

.ai-bot-chat-b19-input-status.invalid {
    color: #f44336 !important;
}

.ai-bot-chat-b19-input-status.warning {
    color: #ff9800 !important;
}

/* 情報エリア */
.ai-bot-chat-b19-info {
    padding: 8px 16px !important;
    background: #f8f9fa !important;
    border-top: 1px solid #e0e0e0 !important;
    font-size: 12px !important;
    color: #666 !important;
}

.ai-bot-chat-b19-rate-limit-info {
    text-align: center !important;
}

.ai-bot-chat-b19-rate-limit {
    font-weight: 500 !important;
}

/* クレジット表示 */
.ai-bot-chat-b19-credit {
    text-align: center !important;
    padding: 2px 16px 2px 16px !important;
    border-top: 1px solid #e0e0e0 !important;
    background: #f8f9fa !important;
    font-size: 10px !important;
    color: #666 !important;
    margin: 0 !important;
    border-bottom: none !important;
}

.ai-bot-chat-b19-credit a {
    color: #666 !important;
    text-decoration: none !important;
    font-size: 10px !important;
}

.ai-bot-chat-b19-credit a:hover {
    color: #007cba !important;
    text-decoration: underline !important;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .ai-bot-chat-b19-interface {
        width: calc(100vw - 20px) !important;
        height: calc(100vh - 20px) !important;
        bottom: 10px !important;
        right: 10px !important;
        left: 10px !important;
    }
    
    .ai-bot-chat-b19-interface.minimized {
        width: 120px !important;
        height: 60px !important;
        left: auto !important;
    }
}

/* チャットBOT全体の位置調整 */
.b19-ai-chatbot-widget {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 350px !important;
    max-width: calc(100vw - 40px) !important;
    height: 500px !important;
    max-height: calc(100vh - 40px) !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    transform: none !important;
    transition: all 0.3s ease !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* チャットBOTが最小化されている場合 */
.b19-ai-chatbot-widget.minimized {
    height: 60px !important;
    width: 200px !important;
    bottom: 20px !important;
    right: 20px !important;
    left: auto !important;
}

/* 完全にユニークなクラス名で競合を回避 */
.b19-ai-chatbot-widget * {
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
}

/* チャットBOTウィンドウの表示安定化 */
.b19-ai-chatbot-widget,
.ai-bot-chat-widget {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 350px !important;
    height: 500px !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    transition: all 0.3s ease !important;
    max-width: calc(100vw - 40px) !important;
    max-height: calc(100vh - 40px) !important;
}

/* 初期表示を最小化状態にする */
.b19-ai-chatbot-widget:not(.expanded),
.ai-bot-chat-widget:not(.expanded),
.ai-bot-chat-interface.minimized {
    height: 60px !important;
    width: 60px !important;
    bottom: 20px !important;
    right: 20px !important;
    left: auto !important;
    border-radius: 50% !important;
    padding: 0 !important;
}

/* 展開状態のスタイル */
.b19-ai-chatbot-widget.expanded,
.ai-bot-chat-widget.expanded,
.ai-bot-chat-interface.expanded {
    height: 500px !important;
    width: 350px !important;
    border-radius: 12px !important;
    padding: 0 !important;
}

/* 展開時のヘッダー調整 */
.ai-bot-chat-interface.expanded .chat-header {
    border-radius: 12px 12px 0 0 !important;
    padding: 12px 16px !important;
    height: auto !important;
    width: auto !important;
    justify-content: space-between !important;
}

/* チャットBOTインターフェースの基本スタイル */
.ai-bot-chat-interface {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 350px !important;
    height: 500px !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    margin: 0 !important;
    padding: 0 !important;
    transform: none !important;
    transition: all 0.3s ease !important;
    max-width: calc(100vw - 40px) !important;
    max-height: calc(100vh - 40px) !important;
}

/* ========================================
   チャットヘッダーとコントロールボタン
   ======================================== */

/* チャットヘッダーのスタイル */
.ai-bot-chat-interface .chat-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 16px !important;
    background: #007cba !important;
    color: white !important;
    border-radius: 12px 12px 0 0 !important;
    min-height: 48px !important;
    cursor: pointer !important;
}

/* チャットタイトル */
.ai-bot-chat-interface .chat-title {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    font-weight: 600 !important;
    font-size: 14px !important;
}

/* チャットコントロール */
.ai-bot-chat-interface .chat-controls {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
}

/* トグルボタン */
.ai-bot-chat-interface .chat-toggle-btn {
    background: rgba(255, 255, 255, 0.2) !important;
    border: none !important;
    border-radius: 4px !important;
    color: white !important;
    cursor: pointer !important;
    padding: 4px 8px !important;
    font-size: 16px !important;
    font-weight: bold !important;
    line-height: 1 !important;
    width: 24px !important;
    height: 24px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: background-color 0.2s ease !important;
}

.ai-bot-chat-interface .chat-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.3) !important;
}

/* 最小化時のヘッダー調整 */
.ai-bot-chat-interface.minimized .chat-header {
    border-radius: 50% !important;
    justify-content: center !important;
    padding: 0 !important;
    height: 60px !important;
    width: 60px !important;
    background: #007cba !important;
}

.ai-bot-chat-interface.minimized .chat-title {
    display: none !important;
}

.ai-bot-chat-interface.minimized .chat-status {
    display: none !important;
}

.ai-bot-chat-interface.minimized .chat-messages,
.ai-bot-chat-interface.minimized .chat-input-area {
    display: none !important;
}

/* 最小化時のコントロールボタンを中央配置 */
.ai-bot-chat-interface.minimized .chat-controls {
    justify-content: center !important;
    width: 100% !important;
}

.ai-bot-chat-interface.minimized .chat-toggle-btn {
    background: transparent !important;
    border: none !important;
    border-radius: 50% !important;
    width: 60px !important;
    height: 60px !important;
    font-size: 24px !important;
    font-weight: bold !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
}

.ai-bot-chat-interface.minimized .chat-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    transform: scale(1.05) !important;
}

/* 展開時のボタンスタイル */
.ai-bot-chat-interface.expanded .chat-toggle-btn {
    background: rgba(255, 255, 255, 0.2) !important;
    border: none !important;
    border-radius: 4px !important;
    width: 24px !important;
    height: 24px !important;
    font-size: 16px !important;
    font-weight: bold !important;
    color: white !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-shadow: none !important;
    position: relative !important;
    top: auto !important;
    left: auto !important;
}

/* ========================================
   ヘッダーの完全センタリング
   ======================================== */

/* ヘッダー全体のスタイル */
.b19-ai-chatbot-widget .b19-chatbot-header {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    width: 100% !important;
    padding: 16px 20px !important; /* パディングを増加 */
    min-height: 56px !important; /* 高さを増加 */
    border-bottom: 1px solid #e0e0e0 !important;
    background: #007cba !important;
    color: white !important;
}

/* ヘッダー内の全要素を強制センタリング */
.b19-ai-chatbot-widget .b19-chatbot-header *,
.b19-ai-chatbot-widget .b19-chatbot-header h1,
.b19-ai-chatbot-widget .b19-chatbot-header h2,
.b19-ai-chatbot-widget .b19-chatbot-header h3,
.b19-ai-chatbot-widget .b19-chatbot-header span,
.b19-ai-chatbot-widget .b19-chatbot-header div,
.b19-ai-chatbot-widget .b19-chatbot-header p {
    display: block !important;
    text-align: center !important;
    margin: 0 auto !important;
    padding: 0 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    width: 100% !important;
    max-width: 100% !important;
    position: relative !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    color: white !important;
}

/* ========================================
   メッセージエリアの最適化
   ======================================== */

/* メッセージコンテナ */
.b19-ai-chatbot-widget .b19-chatbot-messages {
    padding: 4px 8px !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
    overflow-y: auto !important;
    flex: 1 !important;
    background: white !important;
}

/* メッセージ個別 */
.b19-ai-chatbot-widget .b19-chatbot-message {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100% !important;
}

/* メッセージ間の最小間隔 */
.b19-ai-chatbot-widget .b19-chatbot-message + .b19-chatbot-message {
    margin-top: 16px !important; /* 間隔をさらに増加 */
}

/* ユーザーメッセージの配置 */
.b19-ai-chatbot-widget .b19-chatbot-message-user {
    align-items: flex-end !important;
    justify-content: flex-end !important;
    width: 100% !important;
}

/* ボットメッセージの配置 */
.b19-ai-chatbot-widget .b19-chatbot-message-bot {
    align-items: flex-start !important;
    justify-content: flex-start !important;
    width: 100% !important;
}

/* ========================================
   メッセージ内容のスタイリング
   ======================================== */

/* メッセージ内容の基本スタイル */
.b19-ai-chatbot-widget .b19-chatbot-message-content {
    padding: 16px 20px !important;
    border-radius: 18px !important;
    max-width: 80% !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    line-height: 1.5 !important;
    position: relative !important;
    margin: 8px 12px !important;
    text-align: left !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    display: block !important;
    box-sizing: border-box !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

/* ユーザーメッセージのスタイル */
.b19-ai-chatbot-widget .b19-chatbot-message-user .b19-chatbot-message-content {
    background: #007cba !important;
    color: white !important;
    margin-left: auto !important;
    margin-right: 12px !important;
    border-bottom-right-radius: 6px !important;
    text-align: right !important;
    max-width: 80% !important;
    min-width: 60px !important;
    box-shadow: 0 2px 8px rgba(0, 124, 186, 0.3) !important;
}

/* ボットメッセージのスタイル */
.b19-ai-chatbot-widget .b19-chatbot-message-bot .b19-chatbot-message-content {
    background: #f8f9fa !important;
    color: #333 !important;
    margin-left: 12px !important;
    margin-right: auto !important;
    border-bottom-left-radius: 6px !important;
    text-align: left !important;
    max-width: 80% !important;
    min-width: 60px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

/* メッセージテキストの最適化 */
.b19-ai-chatbot-widget .b19-chatbot-message-text {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    white-space: normal !important;
    line-height: 1.4 !important; /* 行間を調整 */
    text-align: left !important;
    font-size: 13px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
}

/* ========================================
   入力エリアの最適化
   ======================================== */

/* 入力エリア */
.b19-ai-chatbot-widget .b19-chatbot-input-area {
    padding: 12px 16px !important;
    border-top: 1px solid #e0e0e0 !important;
    background: #f9f9f9 !important;
}

/* 入力フィールド */
.b19-ai-chatbot-widget .b19-chatbot-input {
    padding: 8px 12px !important;
    border: 1px solid #ddd !important;
    border-radius: 20px !important;
    font-size: 12px !important;
    line-height: 1.3 !important;
    min-height: 36px !important;
    box-sizing: border-box !important;
    width: 100% !important;
    background: white !important;
    color: #333 !important;
}

/* ========================================
   吹き出し矢印効果
   ======================================== */

/* ユーザーメッセージの矢印 */
.b19-ai-chatbot-widget .b19-chatbot-message-user .b19-chatbot-message-content::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    right: -8px !important;
    width: 0 !important;
    height: 0 !important;
    border: 8px solid transparent !important;
    border-left-color: #007cba !important;
    border-bottom: none !important;
    border-right: none !important;
}

/* ボットメッセージの矢印 */
.b19-ai-chatbot-widget .b19-chatbot-message-bot .b19-chatbot-message-content::after {
    content: '' !important;
    position: absolute !important;
    bottom: 0 !important;
    left: -8px !important;
    width: 0 !important;
    height: 0 !important;
    border: 8px solid transparent !important;
    border-right-color: #f1f1f1 !important;
    border-bottom: none !important;
    border-left: none !important;
}

/* ========================================
   ダークモード対応
   ======================================== */

@media (prefers-color-scheme: dark) {
    .b19-ai-chatbot-widget .b19-chatbot-message-bot .b19-chatbot-message-content {
        background: #3d3d3d !important;
        color: #e0e0e0 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-message-user .b19-chatbot-message-content {
        background: #007cba !important;
        color: white !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-input-area {
        border-top-color: #444 !important;
        background: #2a2a2a !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-header {
        border-bottom-color: #444 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-input {
        background: #3d3d3d !important;
        color: #e0e0e0 !important;
        border-color: #555 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-message-bot .b19-chatbot-message-content::after {
        border-right-color: #3d3d3d !important;
    }
}

/* ========================================
   レスポンシブ対応
   ======================================== */

/* モバイル対応 */
@media (max-width: 768px) {
    /* チャットボット全体の位置とサイズ調整 */
    .b19-ai-chatbot-widget {
        bottom: 10px !important;
        right: 10px !important;
        left: 10px !important;
        width: auto !important;
        max-width: none !important;
        max-height: 70vh !important;
        height: 70vh !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        transform: none !important;
    }
    
    /* 最小化時のモバイル調整 */
    .b19-ai-chatbot-widget.minimized,
    .b19-ai-chatbot-widget:not(.expanded) {
        height: 50px !important;
        width: 150px !important;
        left: auto !important;
        bottom: 10px !important;
        right: 10px !important;
    }
    
    /* メッセージエリアの高さ制限 */
    .b19-ai-chatbot-widget .b19-chatbot-messages {
        padding: 6px !important;
        max-height: calc(70vh - 120px) !important;
        height: calc(70vh - 120px) !important;
        overflow-y: auto !important;
        flex: 1 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-message-content {
        max-width: 85% !important;
        padding: 8px 12px !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-input-area {
        padding: 10px 12px !important;
        position: sticky !important;
        bottom: 0 !important;
        background: white !important;
        border-top: 1px solid #e0e0e0 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-header {
        padding: 10px 12px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 10 !important;
    }
}

/* 小さい画面対応 */
@media (max-width: 480px) {
    /* チャットボット全体の位置とサイズ調整 */
    .b19-ai-chatbot-widget {
        bottom: 5px !important;
        right: 5px !important;
        left: 5px !important;
        width: auto !important;
        max-width: none !important;
        max-height: 65vh !important;
        height: 65vh !important;
        overflow: hidden !important;
        margin: 0 !important;
        padding: 0 !important;
        transform: none !important;
    }
    
    /* 最小化時の小画面調整 */
    .b19-ai-chatbot-widget.minimized,
    .b19-ai-chatbot-widget:not(.expanded) {
        height: 45px !important;
        width: 120px !important;
        left: auto !important;
        bottom: 5px !important;
        right: 5px !important;
    }
    
    /* メッセージエリアの高さ制限 */
    .b19-ai-chatbot-widget .b19-chatbot-messages {
        padding: 4px !important;
        max-height: calc(65vh - 100px) !important;
        height: calc(65vh - 100px) !important;
        overflow-y: auto !important;
        flex: 1 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-message-content {
        max-width: 90% !important;
        padding: 6px 10px !important;
        font-size: 13px !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-input-area {
        padding: 8px !important;
        position: sticky !important;
        bottom: 0 !important;
        background: white !important;
        border-top: 1px solid #e0e0e0 !important;
    }
    
    .b19-ai-chatbot-widget .b19-chatbot-header {
        padding: 8px !important;
        position: sticky !important;
        top: 0 !important;
        z-index: 10 !important;
    }
}

/* ========================================
   既存のチャットボットクラスへの対応
   ======================================== */

/* 既存のクラス名にも適用（後方互換性） */
.ai-bot-chat-widget .ai-bot-chat-header,
.ai-bot-chat-widget .ai-bot-chat-messages,
.ai-bot-chat-widget .ai-bot-chat-message,
.ai-bot-chat-widget .ai-bot-chat-message-content,
.ai-bot-chat-widget .ai-bot-chat-message-text,
.ai-bot-chat-widget .ai-bot-chat-input-area,
.ai-bot-chat-widget .ai-bot-chat-input {
    /* 既存のスタイルをリセット */
    all: unset !important;
    box-sizing: border-box !important;
}

/* 既存クラスに新しいスタイルを適用 */
.ai-bot-chat-widget {
    position: fixed !important;
    bottom: 20px !important;
    right: 20px !important;
    width: 350px !important;
    max-width: calc(100vw - 40px) !important;
    height: 500px !important;
    max-height: calc(100vh - 40px) !important;
    background: white !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15) !important;
    z-index: 9999 !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    transform: none !important;
    transition: all 0.3s ease !important;
    margin: 0 !important;
    padding: 0 !important;
}

.ai-bot-chat-widget .ai-bot-chat-header {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    width: 100% !important;
    padding: 12px 16px !important;
    min-height: 48px !important;
    border-bottom: 1px solid #e0e0e0 !important;
    background: #007cba !important;
    color: white !important;
}

.ai-bot-chat-widget .ai-bot-chat-messages {
    padding: 4px 8px !important;
    margin: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 2px !important;
    overflow-y: auto !important;
    flex: 1 !important;
    background: white !important;
}

.ai-bot-chat-widget .ai-bot-chat-message {
    margin: 0 !important;
    padding: 0 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    width: 100% !important;
}

.ai-bot-chat-widget .ai-bot-chat-message + .ai-bot-chat-message {
    margin-top: 2px !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-user {
    align-items: flex-end !important;
    justify-content: flex-end !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-bot {
    align-items: flex-start !important;
    justify-content: flex-start !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-content {
    padding: 12px 16px !important;
    border-radius: 18px !important;
    max-width: 80% !important;
    word-wrap: break-word !important;
    white-space: normal !important;
    line-height: 1.5 !important;
    position: relative !important;
    margin: 8px 12px !important;
    text-align: left !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    display: block !important;
    box-sizing: border-box !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-user .ai-bot-chat-message-content {
    background: #007cba !important;
    color: white !important;
    margin-left: auto !important;
    margin-right: 12px !important;
    border-bottom-right-radius: 6px !important;
    max-width: 80% !important;
    min-width: 60px !important;
    box-shadow: 0 2px 8px rgba(0, 124, 186, 0.3) !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-bot .ai-bot-chat-message-content {
    background: #f8f9fa !important;
    color: #333 !important;
    margin-left: 12px !important;
    margin-right: auto !important;
    border-bottom-left-radius: 6px !important;
    max-width: 80% !important;
    min-width: 60px !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.ai-bot-chat-widget .ai-bot-chat-message-text {
    word-wrap: break-word !important;
    overflow-wrap: break-word !important;
    hyphens: auto !important;
    white-space: normal !important;
    line-height: 1.3 !important;
    text-align: left !important;
    font-size: 13px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: block !important;
}

.ai-bot-chat-widget .ai-bot-chat-input-area {
    padding: 12px 16px !important;
    border-top: 1px solid #e0e0e0 !important;
    background: #f9f9f9 !important;
}

.ai-bot-chat-widget .ai-bot-chat-input {
    padding: 8px 12px !important;
    border: 1px solid #ddd !important;
    border-radius: 20px !important;
    font-size: 12px !important;
    line-height: 1.3 !important;
    min-height: 36px !important;
    box-sizing: border-box !important;
    width: 100% !important;
    background: white !important;
    color: #333 !important;
}

/* 既存クラスのヘッダーテキストセンタリング */
.ai-bot-chat-widget .ai-bot-chat-header *,
.ai-bot-chat-widget .ai-bot-chat-header h1,
.ai-bot-chat-widget .ai-bot-chat-header h2,
.ai-bot-chat-widget .ai-bot-chat-header h3,
.ai-bot-chat-widget .ai-bot-chat-header span,
.ai-bot-chat-widget .ai-bot-chat-header div,
.ai-bot-chat-widget .ai-bot-chat-header p {
    display: block !important;
    text-align: center !important;
    margin: 0 auto !important;
    padding: 0 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    width: 100% !important;
    max-width: 100% !important;
    position: relative !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    color: white !important;
}

/* ========================================
   ヘッダーコントロールボタンの修正
   ======================================== */

/* ヘッダー内のボタン要素を除外してセンタリング */
.ai-bot-chat-widget .ai-bot-chat-header button,
.ai-bot-chat-widget .ai-bot-chat-header .ai-bot-chat-control-btn,
.ai-bot-chat-widget .ai-bot-chat-header [class*="btn"],
.ai-bot-chat-widget .ai-bot-chat-header [class*="button"],
.ai-bot-chat-widget .ai-bot-chat-header [class*="close"],
.ai-bot-chat-widget .ai-bot-chat-header [class*="minimize"],
.ai-bot-chat-widget .ai-bot-chat-header [class*="maximize"] {
    display: inline-block !important;
    text-align: center !important;
    margin: 0 !important;
    padding: 4px 8px !important;
    font-size: 12px !important;
    font-weight: normal !important;
    line-height: 1.2 !important;
    width: auto !important;
    max-width: none !important;
    position: relative !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    color: white !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    border-radius: 4px !important;
    transition: background-color 0.2s ease !important;
}

/* ボタンホバー効果 */
.ai-bot-chat-widget .ai-bot-chat-header button:hover,
.ai-bot-chat-widget .ai-bot-chat-header .ai-bot-chat-control-btn:hover,
.ai-bot-chat-widget .ai-bot-chat-header [class*="btn"]:hover,
.ai-bot-chat-widget .ai-bot-chat-header [class*="button"]:hover,
.ai-bot-chat-widget .ai-bot-chat-header [class*="close"]:hover,
.ai-bot-chat-widget .ai-bot-chat-header [class*="minimize"]:hover,
.ai-bot-chat-widget .ai-bot-chat-header [class*="maximize"]:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}

/* ヘッダーのレイアウト調整 */
.ai-bot-chat-widget .ai-bot-chat-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    text-align: center !important;
    width: 100% !important;
    padding: 12px 16px !important;
    min-height: 48px !important;
    border-bottom: 1px solid #e0e0e0 !important;
    background: #007cba !important;
    color: white !important;
    position: relative !important;
}

/* ヘッダー内のタイトル部分 */
.ai-bot-chat-widget .ai-bot-chat-header .ai-bot-chat-title,
.ai-bot-chat-widget .ai-bot-chat-header h1,
.ai-bot-chat-widget .ai-bot-chat-header h2,
.ai-bot-chat-widget .ai-bot-chat-header h3,
.ai-bot-chat-widget .ai-bot-chat-header span:not([class*="btn"]):not([class*="button"]):not([class*="close"]):not([class*="minimize"]):not([class*="maximize"]),
.ai-bot-chat-widget .ai-bot-chat-header div:not([class*="btn"]):not([class*="button"]):not([class*="close"]):not([class*="minimize"]):not([class*="maximize"]),
.ai-bot-chat-widget .ai-bot-chat-header p:not([class*="btn"]):not([class*="button"]):not([class*="close"]):not([class*="minimize"]):not([class*="maximize"]) {
    display: block !important;
    text-align: center !important;
    margin: 0 auto !important;
    padding: 0 !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    width: 100% !important;
    max-width: 100% !important;
    position: relative !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    color: white !important;
    flex: 1 !important;
}

/* 新しいユニーククラスでも同様の修正 */
.b19-ai-chatbot-widget .b19-chatbot-header button,
.b19-ai-chatbot-widget .b19-chatbot-header .b19-chatbot-control-btn,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="btn"],
.b19-ai-chatbot-widget .b19-chatbot-header [class*="button"],
.b19-ai-chatbot-widget .b19-chatbot-header [class*="close"],
.b19-ai-chatbot-widget .b19-chatbot-header [class*="minimize"],
.b19-ai-chatbot-widget .b19-chatbot-header [class*="maximize"] {
    display: inline-block !important;
    text-align: center !important;
    margin: 0 !important;
    padding: 4px 8px !important;
    font-size: 12px !important;
    font-weight: normal !important;
    line-height: 1.2 !important;
    width: auto !important;
    max-width: none !important;
    position: relative !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    color: white !important;
    background: transparent !important;
    border: none !important;
    cursor: pointer !important;
    border-radius: 4px !important;
    transition: background-color 0.2s ease !important;
}

.b19-ai-chatbot-widget .b19-chatbot-header button:hover,
.b19-ai-chatbot-widget .b19-chatbot-header .b19-chatbot-control-btn:hover,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="btn"]:hover,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="button"]:hover,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="close"]:hover,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="minimize"]:hover,
.b19-ai-chatbot-widget .b19-chatbot-header [class*="maximize"]:hover {
    background: rgba(255, 255, 255, 0.1) !important;
}

.b19-ai-chatbot-widget .b19-chatbot-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    text-align: center !important;
    width: 100% !important;
    padding: 12px 16px !important;
    min-height: 48px !important;
    border-bottom: 1px solid #e0e0e0 !important;
    background: #007cba !important;
    color: white !important;
    position: relative !important;
}


/* クレジット表示（チャットウインドウ内） */
.chat-credit {
    text-align: center;
    padding: 8px 12px;
    border-top: 1px solid #e0e0e0;
    background: #f8f9fa;
    font-size: 10px;
    color: #666;
}

.chat-credit a {
    color: #666;
    text-decoration: none;
    font-size: 10px;
}

.chat-credit a:hover {
    color: #007cba;
    text-decoration: underline;
}

/* APIキー未設定時のスタイル */
.chat-input:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

.send-button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.send-button:disabled:hover {
    background-color: #ccc;
}

/* 設定ガイダンスのスタイル */
.message-content ol {
    text-align: left;
    margin: 10px 0;
    padding-left: 20px;
}

.message-content ol li {
    margin: 5px 0;
    font-size: 14px;
}

.message-content a {
    color: #007cba;
    text-decoration: underline;
}

/* 文字数カウンターのスタイル */
.character-counter-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 12px;
    background: #f8f9fa;
    border-top: 1px solid #e0e0e0;
    font-size: 12px;
}

.character-counter {
    color: #666;
    font-weight: 500;
}

.character-counter.warning {
    color: #ff9800;
}

.character-counter.error {
    color: #f44336;
}

.input-status {
    font-size: 11px;
    font-weight: 500;
}

.input-status.valid {
    color: #4caf50;
}

.input-status.invalid {
    color: #f44336;
}

.input-status.warning {
    color: #ff9800;
}