/* ========================================
   Modern Clean Design - カーメルオンライン
   完全新デザイン: ミニマル × フラット × レスポンシブ
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    height: 100%;
    overflow: hidden;
}

:root {
    /* モダンカラーパレット */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    
    /* ニュートラル */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* サイズ */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* スペーシング */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 48px;
}

body {
    font-family: 'M PLUS Rounded 1c', 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--white);
}

/* ========================================
   Header - ミニマルデザイン
   ======================================== */
.header {
    background: var(--white);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
}

.logo-image {
    height: 60px;
    width: auto;
    object-fit: contain;
    background: transparent !important;
    border: none !important;
    outline: none !important;
    padding: 0 !important;
    margin: 0 !important;
    box-shadow: none !important;
    display: block;
    mix-blend-mode: multiply;
}

.logo i {
    font-size: 28px;
    color: var(--primary);
}

.logo h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
    letter-spacing: -0.5px;
    margin: 0;
}
    letter-spacing: -0.5px;
}

.subtitle {
    display: none;
}

/* ========================================
   Chat Container
   ======================================== */
.chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--gray-50);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

/* スクロールバー */
.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

/* ========================================
   Messages - フラットデザイン
   ======================================== */
.message {
    display: flex;
    gap: var(--space-md);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.bot-message .message-avatar {
    background: var(--white);
    color: var(--white);
    font-size: 24px;
    border: 2px solid var(--gray-200);
    overflow: hidden;
}

.avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
    display: block;
}

.user-message {
    flex-direction: row-reverse;
}

.user-message .message-avatar {
    background: var(--gray-300);
    color: var(--gray-700);
}

.message-content {
    max-width: 70%;
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    font-size: 15px;
    line-height: 1.6;
}

.bot-message .message-content {
    background: var(--white);
    color: var(--gray-900);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--space-xs);
}

.user-message .message-content {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg) var(--radius-lg) var(--space-xs) var(--radius-lg);
}

.message-content p {
    margin-bottom: var(--space-md);
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content strong {
    font-weight: 700;
    display: block;
    margin-bottom: var(--space-sm);
}

.message-content ul {
    margin-left: var(--space-lg);
    margin-top: var(--space-sm);
}

.message-content li {
    margin-bottom: var(--space-sm);
}

/* ========================================
   Quick Buttons - カード風
   ======================================== */
.quick-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.quick-buttons-title {
    width: 100%;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-button {
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.quick-button:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-1px);
}

.quick-button:active {
    transform: translateY(0);
}

/* ========================================
   Chat Input - 大きくクリア
   ======================================== */
.chat-input-container {
    padding: var(--space-xl);
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    flex-shrink: 0;
    position: relative;
}

.chat-input-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    gap: var(--space-md);
    align-items: center;
    position: relative;
}

.chat-input {
    flex: 1;
    padding: var(--space-lg) var(--space-xl);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-full);
    font-size: 16px;
    font-family: inherit;
    font-weight: 500;
    outline: none;
    transition: all 0.2s;
    background: var(--white);
    color: var(--gray-900);
    min-height: 56px;
}

.chat-input::placeholder {
    color: var(--gray-400);
}

.chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.send-button {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--primary);
    border: none;
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all 0.2s;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-button:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.send-button:active {
    transform: scale(0.95);
}

/* ========================================
   Suggestions Popup - サジェスト
   ======================================== */
.suggestions-popup {
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    margin-bottom: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    max-height: 450px;
    overflow-y: auto;
    z-index: 1000;
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--gray-200);
}

.suggestions-popup::-webkit-scrollbar {
    width: 8px;
}

.suggestions-popup::-webkit-scrollbar-track {
    background: transparent;
}

.suggestions-popup::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

.suggestions-popup::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

.suggestions-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    font-weight: 600;
    color: var(--gray-700);
    font-size: 14px;
}

.suggestions-header i {
    color: var(--primary);
    font-size: 16px;
}

.suggestions-list {
    padding: var(--space-sm);
}

.suggestion-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: var(--space-xs);
    border-left: 3px solid transparent;
}

.suggestion-item:hover {
    background: var(--gray-100);
    transform: translateX(4px);
    border-left-color: var(--primary);
}

.suggestion-item:active {
    background: var(--primary-light);
    opacity: 0.8;
}

.suggestion-item i {
    color: var(--primary);
    font-size: 16px;
    flex-shrink: 0;
}

.suggestion-item span {
    color: var(--gray-800);
    font-size: 14px;
    line-height: 1.5;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Typing Indicator
   ======================================== */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: var(--space-lg);
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-400);
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-6px);
    }
}

/* ========================================
   First Visit Prompt - 初回訪問導線
   ======================================== */
.first-visit-prompt {
    animation: slideIn 0.5s ease-out;
}

.first-visit-content {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid var(--primary);
    padding: var(--space-xl) !important;
}

.first-visit-content p {
    margin-bottom: var(--space-md);
}

.first-visit-content p:last-of-type {
    margin-bottom: var(--space-lg);
}

.first-visit-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.first-visit-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 14px 24px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.first-visit-button.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.first-visit-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.4);
}

.first-visit-button.secondary {
    background: var(--white);
    color: var(--primary);
    border-color: var(--primary);
}

.first-visit-button.secondary:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

.first-visit-button i {
    font-size: 18px;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Footer - シンプル
   ======================================== */
.footer {
    background: var(--gray-50);
    padding: var(--space-xl);
    text-align: center;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-500);
    flex-shrink: 0;
}

.footer p {
    margin-bottom: var(--space-sm);
}

.footer p:last-child {
    margin-bottom: 0;
}

.footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

/* フッター審査ボタンの白文字を優先 */
.footer a.footer-application-button,
.footer a.footer-application-button:hover,
.footer a.footer-application-button:visited,
.footer a.footer-application-button:active {
    color: #ffffff !important;
    text-decoration: none !important;
}

/* フッターオペレーターボタンの白文字を優先 */
.footer a.footer-operator-button,
.footer a.footer-operator-button:hover,
.footer a.footer-operator-button:visited,
.footer a.footer-operator-button:active {
    color: #ffffff !important;
    text-decoration: none !important;
}

.contact-info {
    margin-top: var(--space-md);
    font-weight: 600;
    color: var(--gray-700);
}

.footer-action {
    margin-top: 0;
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-application-button {
    display: inline-flex !important;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
    color: #ffffff !important;
    text-decoration: none !important;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
    border: none !important;
    cursor: pointer;
}

.footer-application-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.4) !important;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%) !important;
    color: #ffffff !important;
}

.footer-application-button i {
    font-size: 18px;
    color: #ffffff !important;
    display: inline-block !important;
}

.footer-application-button span {
    color: #ffffff !important;
    display: inline-block !important;
}

/* オペレーターボタン */
.footer-operator-button {
    display: inline-flex !important;
    align-items: center;
    gap: var(--space-sm);
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%) !important;
    color: #ffffff !important;
    text-decoration: none !important;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
    border: none !important;
    cursor: pointer;
}

.footer-operator-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4) !important;
    background: linear-gradient(135deg, #059669 0%, var(--secondary) 100%) !important;
    color: #ffffff !important;
}

.footer-operator-button i {
    font-size: 18px;
    color: #ffffff !important;
    display: inline-block !important;
}

.footer-operator-button span {
    color: #ffffff !important;
    display: inline-block !important;
}

/* ========================================
   Responsive Design
   ======================================== */

/* タブレット */
@media (max-width: 768px) {
    .header {
        padding: var(--space-md) var(--space-lg);
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .logo-image {
        height: 48px;
    }
    
    .logo i {
        font-size: 24px;
    }
    
    .chat-messages {
        padding: var(--space-lg);
    }
    
    .message-content {
        max-width: 75%;
    }
    
    .chat-input-container {
        padding: var(--space-lg);
    }
    
    .first-visit-button {
        font-size: 15px;
        padding: 12px 20px;
    }
    
    .suggestions-popup {
        max-height: 350px;
    }
    
    .suggestion-item {
        padding: var(--space-sm) var(--space-md);
    }
    
    .suggestion-item span {
        font-size: 13px;
    }
}

/* スマートフォン */
@media (max-width: 480px) {
    .header {
        padding: var(--space-md);
    }
    
    .logo h1 {
        font-size: 18px;
    }
    
    .logo i {
        font-size: 22px;
    }
    
    .chat-messages {
        padding: var(--space-md);
        gap: var(--space-md);
    }
    
    .message-avatar {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .message-content {
        max-width: 80%;
        padding: var(--space-md);
        font-size: 14px;
    }
    
    .quick-buttons {
        padding: var(--space-md);
        gap: var(--space-sm);
    }
    
    .quick-button {
        padding: var(--space-sm) var(--space-md);
        font-size: 13px;
    }
    
    .chat-input-container {
        padding: var(--space-md);
        position: sticky;
        bottom: 0;
        background: var(--white);
        box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
        z-index: 100;
        width: 100%;
    }
    
    .chat-input-wrapper {
        position: relative;
        width: 100%;
    }
    
    .chat-input {
        width: 100%;
        padding: var(--space-md) var(--space-lg);
        font-size: 16px;
        min-height: 52px;
    }
    
    .send-button {
        width: 52px;
        height: 52px;
        font-size: 18px;
    }
    
    .footer {
        padding: var(--space-lg);
        font-size: 11px;
    }
    
    .footer-action {
        gap: var(--space-sm);
        flex-direction: column;
    }
    
    .footer-application-button,
    .footer-operator-button {
        display: flex !important;
        padding: 12px 24px !important;
        font-size: 14px !important;
        width: 100% !important;
        justify-content: center !important;
        align-items: center !important;
        gap: var(--space-sm) !important;
        background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%) !important;
        box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3) !important;
        border-radius: var(--radius-full) !important;
        min-height: 48px !important;
    }
    
    .footer-application-button {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%) !important;
        box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
    }
    
    .footer-application-button i,
    .footer-operator-button i {
        font-size: 16px !important;
        display: inline-block !important;
        color: #ffffff !important;
    }
    
    .footer-application-button span,
    .footer-operator-button span {
        display: inline-block !important;
        color: #ffffff !important;
    }
}

/* 超小型スマートフォン */
@media (max-width: 360px) {
    .chat-input-container {
        padding: var(--space-sm);
        z-index: 100;
    }
    
    .chat-input-wrapper {
        position: relative;
        width: 100%;
    }
    
    .chat-input {
        width: 100%;
        padding: var(--space-md);
        font-size: 15px;
        min-height: 48px;
    }
    
    .send-button {
        width: 48px;
        height: 48px;
        font-size: 16px;
    }
    
    .footer-action {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .footer-application-button,
    .footer-operator-button {
        display: flex !important;
        padding: 10px 20px !important;
        font-size: 13px !important;
        width: 100% !important;
        justify-content: center !important;
        align-items: center !important;
        gap: var(--space-sm) !important;
        min-height: 44px !important;
    }
    
    .footer-application-button i,
    .footer-operator-button i {
        font-size: 14px !important;
        display: inline-block !important;
        color: #ffffff !important;
    }
    
    .footer-application-button span,
    .footer-operator-button span {
        display: inline-block !important;
        color: #ffffff !important;
    }
}

/* ========================================
   Hidden Elements (初期状態)
   ======================================== */
.application-banner {
    display: none;
}