/* SkinCare AI v46.3 - API復旧＋PC/スマホ完全対応 CSS */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    min-height: 100vh;
    color: #333;
    overflow-x: hidden;
}

/* =================
   PC版 / スマホ版 切り替え
   ================= */

/* PC版表示（769px以上） */
@media (min-width: 769px) {
    .mobile-layout {
        display: none !important;
    }
    .pc-layout {
        display: block !important;
    }
}

/* スマホ版表示（768px以下） */
@media (max-width: 768px) {
    .pc-layout {
        display: none !important;
    }
    .mobile-layout {
        display: block !important;
    }
}

/* =================
   PC版スタイル（v44.0準拠）
   ================= */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* ヘッダー */
.header {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 25px;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 2px 20px rgba(255, 255, 255, 0.3);
}

.header h1 .ai-text {
    background: linear-gradient(135deg, #00f5ff, #00bfff, #1e90ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 15px rgba(0, 245, 255, 0.4));
    animation: aiGlow 2s ease-in-out infinite alternate;
}

@keyframes aiGlow {
    0% { filter: drop-shadow(0 0 15px rgba(0, 245, 255, 0.4)); }
    100% { filter: drop-shadow(0 0 25px rgba(0, 245, 255, 0.6)); }
}

.header p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    letter-spacing: 0.5px;
    position: relative;
    z-index: 1;
}

.version-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 2;
}

/* 1-2段目統合セクション */
.section-upload-products {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
    transition: all 0.4s ease;
}

.section-upload-products:hover {
    transform: translateY(-3px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    cursor: pointer;
    padding: 10px 0;
    border-radius: 10px;
    transition: background 0.3s ease;
}

.section-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.section-title {
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin: 0;
}

.section-toggle {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 8px 15px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    min-width: 45px;
    text-align: center;
}

.section-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.section-toggle.collapsed {
    transform: rotate(180deg);
}

.section-content {
    transition: all 0.4s ease;
    overflow: hidden;
}

.section-content.collapsed {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
    margin-top: 0;
}

/* 1段目: アップロード & チャット（左右分割） */
.section-upload-chat {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.upload-section, .chatbot-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.upload-section:hover, .chatbot-section:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
}

.upload-section h2, .chatbot-section h2 {
    margin-bottom: 20px;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* アップロードエリア */
.upload-area {
    border: 3px dashed rgba(255, 255, 255, 0.4);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    margin-bottom: 25px;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.upload-area:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.02);
}

.upload-area.dragover {
    border-color: #00f5ff;
    background: rgba(0, 245, 255, 0.1);
    transform: scale(1.05);
}

.upload-area.has-image {
    padding: 15px;
    min-height: auto;
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.2));
}

.upload-area p {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    font-weight: 500;
}

.file-requirements {
    font-size: 0.85rem !important;
    color: rgba(255, 255, 255, 0.7) !important;
    font-weight: 400 !important;
    margin-bottom: 0 !important;
    line-height: 1.4;
    max-width: 300px;
}

.file-input {
    display: none !important;
}

/* アップロード画像表示 */
.uploaded-image-container {
    width: 100%;
    max-width: 350px;
    height: 400px;
    position: relative;
    border-radius: 15px;
    overflow: visible;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
}

.uploaded-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
    border-radius: 15px;
    transition: all 0.3s ease;
    display: block;
}

/* 画像上ローディング表示 */
.image-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 15px;
    z-index: 10;
    backdrop-filter: blur(5px);
}

.image-loading-content {
    text-align: center;
    color: white;
}

.image-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top: 4px solid #00f5ff;
    border-radius: 50%;
    animation: imageSpinnerAnimation 1s linear infinite;
    margin: 0 auto 20px;
    filter: drop-shadow(0 5px 15px rgba(0, 245, 255, 0.4));
}

@keyframes imageSpinnerAnimation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.image-loading-text {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.image-loading-subtext {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 400;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    border-radius: 15px;
}

.uploaded-image-container:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
}

.analyze-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #00f5ff, #00bfff, #1e90ff);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 191, 255, 0.3);
}

.analyze-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
}

.analyze-btn:hover:not(:disabled)::before {
    left: 100%;
}

.analyze-btn:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 191, 255, 0.5);
}

.analyze-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.2);
}

/* チャットボットセクション */
.chatbot-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 20px;
    font-size: 1rem;
}

.chat-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-message {
    margin-bottom: 15px;
    padding: 15px 20px;
    border-radius: 15px;
    max-width: 80%;
    word-wrap: break-word;
    animation: messageSlide 0.3s ease-out;
}

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

.chat-message.bot {
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.2), rgba(0, 191, 255, 0.2));
    color: #fff;
    margin-right: auto;
    border: 1px solid rgba(0, 245, 255, 0.3);
}

.chat-message.user {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3), rgba(118, 75, 162, 0.3));
    color: #fff;
    margin-left: auto;
    border: 1px solid rgba(102, 126, 234, 0.4);
}

.chat-input-container {
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

.chat-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.chat-input:focus {
    outline: none;
    border-color: #00f5ff;
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.chat-send-btn {
    padding: 15px 25px;
    background: linear-gradient(135deg, #00f5ff, #00bfff);
    color: white;
    border: none;
    border-radius: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.4);
}

.chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quick-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 15px;
}

.quick-option {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.quick-option:hover {
    background: rgba(0, 245, 255, 0.2);
    border-color: #00f5ff;
    transform: translateY(-1px);
}

/* 商品推奨セクション */
.recommendations {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.recommendations h2 {
    margin-bottom: 25px;
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 25px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00f5ff, #667eea, #764ba2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.product-card:hover::before {
    opacity: 1;
}

/* 商品画像カルーセル */
.product-carousel {
    position: relative;
    width: 100%;
    height: 220px;
    margin-bottom: 20px;
    border-radius: 15px;
    overflow: hidden;
    background: #f8f9fa;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-images {
    display: flex;
    width: 300%;
    height: 100%;
    transition: transform 0.4s ease;
}

.carousel-image {
    width: 33.333%;
    height: 100%;
    object-fit: contain;
    background: white;
    flex-shrink: 0;
}

.carousel-image.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    color: #666;
    font-size: 0.9rem;
}

.carousel-image.error {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    color: #999;
    font-size: 0.8rem;
    flex-direction: column;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    z-index: 2;
}

.carousel-nav:hover {
    background: rgba(0, 245, 255, 0.8);
    transform: translateY(-50%) scale(1.1);
}

.carousel-nav.prev {
    left: 10px;
}

.carousel-nav.next {
    right: 10px;
}

.carousel-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}

.carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background: #00f5ff;
    transform: scale(1.2);
}

.product-brand {
    font-size: 0.9rem;
    color: #666;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.product-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.3;
    min-height: 50px;
    display: flex;
    align-items: center;
}

.product-description {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 0.95rem;
    min-height: 60px;
}

.reason-section {
    background: rgba(0, 245, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    margin: 15px 0;
    border-left: 3px solid #00f5ff;
}

.reason-section h4 {
    font-size: 0.9rem;
    color: #00bfff;
    font-weight: 600;
    margin-bottom: 8px;
}

.reason-section p {
    font-size: 0.9rem;
    color: #333;
    line-height: 1.4;
}

/* 口コミセクション */
.review-section {
    margin-top: 20px;
    border-top: 1px solid #e0e0e0;
    padding-top: 15px;
}

.review-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 191, 255, 0.1);
    padding: 12px 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.review-toggle:hover {
    background: rgba(0, 191, 255, 0.15);
}

.review-toggle-text {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
}

.review-toggle-icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.review-toggle.expanded .review-toggle-icon {
    transform: rotate(180deg);
}

.reviews-container {
    display: none;
    margin-top: 15px;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 10px;
}

.reviews-container.show {
    display: block;
}

.review-item {
    background: rgba(0, 191, 255, 0.05);
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 10px;
    border-left: 3px solid #00bfff;
}

.review-rating {
    font-size: 0.9rem;
    color: #ff9800;
    margin-bottom: 5px;
}

.review-text {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.5;
    font-style: italic;
}

.review-source {
    font-size: 0.75rem;
    color: #999;
    margin-top: 5px;
    text-align: right;
}

.mall-links-section h4 {
    font-size: 1.1rem;
    color: #333;
    margin-bottom: 15px;
    font-weight: 600;
}

.mall-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.mall-link {
    padding: 12px 15px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mall-link.amazon {
    background: linear-gradient(135deg, #ff9900, #ff7700);
    color: white;
}

.mall-link.rakuten {
    background: linear-gradient(135deg, #bf0000, #a60000);
    color: white;
}

.mall-link.yahoo {
    background: linear-gradient(135deg, #ff0033, #cc0029);
    color: white;
}

.mall-link.qoo10 {
    background: linear-gradient(135deg, #5d2ed1, #8b5cf6);
    color: white;
}

.mall-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.mall-link.unavailable {
    background: #e0e0e0;
    color: #999;
    cursor: not-allowed;
    opacity: 0.5;
}

/* 総合結果セクション */
.analysis-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: 30px;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
    transition: all 0.4s ease;
    display: none;
}

.analysis-section.show {
    display: block;
}

.analysis-section:hover {
    transform: translateY(-3px);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.2);
}

.analysis-section h2 {
    margin-bottom: 25px;
    color: #fff;
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 統合結果表示エリア */
.integrated-results {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
    min-height: 400px;
}

.character-section, .basic-analysis-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* キャラクター表示 */
.character-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    justify-content: space-between;
}

.character-avatar {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.character-image-container {
    width: 180px;
    height: 180px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), rgba(102, 126, 234, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(0, 245, 255, 0.2);
    transition: all 0.3s ease;
    overflow: hidden;
}

.character-image-container:hover {
    transform: scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 245, 255, 0.4);
}

.character-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 13px;
}

.character-icon {
    font-size: 4rem;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

.character-description h4 {
    color: #00f5ff;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}

.character-description p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1rem;
}

.character-advice h5 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.character-advice ul {
    list-style: none;
    padding: 0;
}

.character-advice li {
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    line-height: 1.4;
}

.character-advice li:before {
    content: "💡";
    position: absolute;
    left: 0;
    font-size: 1rem;
}

.loading {
    display: none;
    text-align: center;
    padding: 50px;
}

.loading.show {
    display: block;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid rgba(255, 255, 255, 0.2);
    border-top: 6px solid #00f5ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 25px;
    filter: drop-shadow(0 5px 15px rgba(0, 245, 255, 0.3));
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    font-weight: 500;
}

.analysis-results {
    display: none;
    position: relative;
}

.analysis-results.show {
    display: block;
}

.score-card {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), rgba(102, 126, 234, 0.2), rgba(240, 147, 251, 0.1));
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 245, 255, 0.2);
    color: white;
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 25px;
    box-shadow: 0 15px 40px rgba(0, 191, 255, 0.1);
}

.score-number {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 15px;
    text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    color: #fff;
}

.score-card div:last-child {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.9);
}

.detailed-scores {
    margin-bottom: 20px;
}

.detailed-scores h4 {
    margin-bottom: 20px;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.score-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.score-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
}

.score-label {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 500;
}

.score-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* 赤みマップ */
.heatmap-row-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 40px;
    align-items: start;
}

.face-silhouette {
    position: relative;
    width: 100%;
    max-width: 350px;
    height: 380px;
    margin: 0 auto;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #2a2a3a 0%, #3a3a4a 100%);
}

.face-outline {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 260px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    box-shadow: inset 0 10px 30px rgba(0, 0, 0, 0.1);
}

.face-features {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.eye {
    position: absolute;
    width: 15px;
    height: 8px;
    background: #8a8a8a;
    border-radius: 50%;
}

.eye.left {
    top: 80px;
    left: 60px;
}

.eye.right {
    top: 80px;
    right: 60px;
}

.nose {
    position: absolute;
    top: 110px;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 20px;
    background: #9a9a9a;
    border-radius: 2px;
}

.mouth {
    position: absolute;
    top: 150px;
    left: 50%;
    transform: translateX(-50%);
    width: 25px;
    height: 3px;
    background: #8a8a8a;
    border-radius: 2px;
}

.heat-point {
    position: absolute;
    border-radius: 50%;
    animation: heatPulse 2s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(255, 100, 100, 0.6);
}

@keyframes heatPulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; }
}

.heat-point.intense {
    background: radial-gradient(circle, #ff4444 0%, #ff6666 50%, transparent 100%);
    width: 25px;
    height: 25px;
}

.heat-point.moderate {
    background: radial-gradient(circle, #ff8844 0%, #ffaa66 50%, transparent 100%);
    width: 20px;
    height: 20px;
}

.heat-point.mild {
    background: radial-gradient(circle, #ffcc44 0%, #ffdd66 50%, transparent 100%);
    width: 15px;
    height: 15px;
}

.heatmap-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.heatmap-legend {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 25px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.legend-color {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    margin-right: 15px;
    filter: blur(1px);
}

.heatmap-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.12);
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    margin-bottom: 8px;
}

.stat-comment {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    line-height: 1.3;
    margin-top: 5px;
}

.stat-item.healthy .stat-number { color: #4ade80; }
.stat-item.mild .stat-number { color: #fbbf24; }
.stat-item.moderate .stat-number { color: #fb923c; }
.stat-item.severe .stat-number { color: #ef4444; }

/* 詳細分析カード */
.analysis-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.analysis-card {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    min-height: 100px;
}

.analysis-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 245, 255, 0.2);
    border-color: rgba(0, 245, 255, 0.3);
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.card-icon {
    font-size: 1.5rem;
    margin-right: 10px;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.3));
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    position: relative;
    z-index: 1;
}

.card-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.status-value {
    font-size: 1.1rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.confidence-bar {
    width: 100%;
    height: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, #00f5ff, #00bfff);
    border-radius: 3px;
    transition: width 0.8s ease;
}

.severity-good { color: #4ade80 !important; font-weight: 600; }
.severity-mild { color: #fbbf24 !important; font-weight: 600; }
.severity-moderate { color: #fb923c !important; font-weight: 600; }
.severity-severe { color: #ef4444 !important; font-weight: 600; }

/* 肌の状態チェック */
.skin-issues {
    padding: 30px;
    background: rgba(255, 193, 7, 0.1);
    border-radius: 20px;
    border-left: 5px solid #ffc107;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(255, 193, 7, 0.15);
}

.skin-issues h4 {
    color: #fff;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 1.3rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.skin-issues ul {
    list-style: none;
    padding-left: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
}

.skin-issues li {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    position: relative;
    padding-left: 30px;
    font-weight: 500;
    font-size: 0.95rem;
    line-height: 1.4;
    word-break: break-word;
}

.skin-issues li:before {
    content: "⚠️";
    position: absolute;
    left: 0;
    font-size: 1.1rem;
}

/* SNS共有スタイル */
.sns-share-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}

.sns-button {
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.sns-button.twitter {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
    color: white;
}

.sns-button.instagram {
    background: linear-gradient(135deg, #e4405f, #fd1d1d, #fcb045);
    color: white;
}

.sns-button.facebook {
    background: linear-gradient(135deg, #4267b2, #365899);
    color: white;
}

.sns-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.share-preview h4 {
    color: #fff;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.share-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.share-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: 0.95rem;
}

.message {
    padding: 18px;
    border-radius: 12px;
    margin: 25px 0;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.error-message {
    background: rgba(248, 215, 218, 0.9);
    color: #721c24;
    border: 1px solid rgba(245, 198, 203, 0.5);
}

.info-message {
    background: rgba(209, 236, 241, 0.9);
    color: #0c5460;
    border: 1px solid rgba(190, 229, 235, 0.5);
}

.success-message {
    background: rgba(212, 237, 218, 0.9);
    color: #155724;
    border: 1px solid rgba(195, 230, 203, 0.5);
}

/* =================
   スマホ版スタイル
   ================= */

.mobile-layout {
    display: none;
    min-height: 100vh;
    position: relative;
    padding-bottom: 80px;
}

.mobile-content {
    padding: 20px;
    padding-bottom: 100px;
}

.mobile-section {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.mobile-section h2 {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* スマホ用アップロード */
.mobile-upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.4);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    margin-bottom: 20px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.mobile-upload-area:hover {
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.1);
}

.mobile-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.mobile-upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.mobile-upload-area p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.mobile-file-requirements {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 400;
}

.mobile-uploaded-image-container {
    width: 100%;
    max-width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.mobile-uploaded-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.mobile-analyze-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #00f5ff, #00bfff);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mobile-analyze-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 191, 255, 0.4);
}

.mobile-analyze-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(255, 255, 255, 0.2);
}

/* スマホ用分析結果 */
.mobile-analysis-content {
    color: rgba(255, 255, 255, 0.9);
}

.mobile-character-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
}

.mobile-character-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1), rgba(102, 126, 234, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    border: 2px solid rgba(0, 245, 255, 0.3);
}

.mobile-character-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: #00f5ff;
    margin-bottom: 10px;
}

.mobile-character-description {
    font-size: 0.95rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
}

.mobile-basic-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.mobile-info-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.mobile-info-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 5px;
}

.mobile-info-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
}

.mobile-heatmap-section {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

.mobile-heatmap-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.mobile-heatmap-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.mobile-stat-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.mobile-stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 5px;
}

.mobile-stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.mobile-detailed-analysis {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
}

.mobile-analysis-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.mobile-analysis-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.mobile-analysis-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 12px;
    border-radius: 10px;
    text-align: center;
    font-size: 0.9rem;
}

.mobile-analysis-icon {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.mobile-analysis-name {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.8rem;
    margin-bottom: 5px;
}

.mobile-analysis-value {
    color: #fff;
    font-weight: 600;
}

.mobile-skin-issues {
    background: rgba(255, 193, 7, 0.1);
    border-radius: 15px;
    padding: 20px;
    border-left: 4px solid #ffc107;
}

.mobile-issues-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 15px;
}

.mobile-issues-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-issues-item {
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    font-size: 0.9rem;
    line-height: 1.4;
}

.mobile-issues-item:before {
    content: "⚠️";
    position: absolute;
    left: 0;
    font-size: 1rem;
}

/* スマホ用商品表示 */
.mobile-product-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    color: #333;
}

.mobile-product-image {
    width: 100%;
    height: 150px;
    background: #f8f9fa;
    border-radius: 10px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.mobile-product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.mobile-product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #ccc;
}

.mobile-product-brand {
    font-size: 0.8rem;
    color: #666;
    font-weight: 600;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.mobile-product-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
}

.mobile-product-description {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.4;
    margin-bottom: 15px;
}

.mobile-product-reason {
    background: rgba(0, 245, 255, 0.1);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 15px;
    border-left: 3px solid #00f5ff;
}

.mobile-reason-title {
    font-size: 0.8rem;
    color: #00bfff;
    font-weight: 600;
    margin-bottom: 5px;
}

.mobile-reason-text {
    font-size: 0.85rem;
    color: #333;
    line-height: 1.3;
}

.mobile-product-reviews {
    margin-bottom: 15px;
}

.mobile-reviews-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
}

.mobile-review-item {
    background: rgba(0, 191, 255, 0.05);
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 8px;
    border-left: 2px solid #00bfff;
}

.mobile-review-rating {
    font-size: 0.8rem;
    color: #ff9800;
    margin-bottom: 5px;
}

.mobile-review-text {
    font-size: 0.8rem;
    color: #555;
    line-height: 1.4;
    margin-bottom: 5px;
}

.mobile-review-source {
    font-size: 0.7rem;
    color: #999;
    text-align: right;
}

.mobile-product-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.mobile-mall-link {
    padding: 10px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-mall-link.amazon {
    background: linear-gradient(135deg, #ff9900, #ff7700);
    color: white;
}

.mobile-mall-link.rakuten {
    background: linear-gradient(135deg, #bf0000, #a60000);
    color: white;
}

.mobile-mall-link.yahoo {
    background: linear-gradient(135deg, #ff0033, #cc0029);
    color: white;
}

.mobile-mall-link.qoo10 {
    background: linear-gradient(135deg, #5d2ed1, #8b5cf6);
    color: white;
}

.mobile-mall-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.mobile-mall-link.unavailable {
    background: #e0e0e0;
    color: #999;
    cursor: not-allowed;
}

/* スマホ用チャット */
.mobile-chat-container {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.mobile-chat-message {
    margin-bottom: 15px;
    padding: 12px 15px;
    border-radius: 12px;
    max-width: 85%;
    word-wrap: break-word;
    font-size: 0.9rem;
    line-height: 1.4;
}

.mobile-chat-message.bot {
    background: rgba(0, 245, 255, 0.2);
    color: #fff;
    margin-right: auto;
    border: 1px solid rgba(0, 245, 255, 0.3);
}

.mobile-chat-message.user {
    background: rgba(102, 126, 234, 0.3);
    color: #fff;
    margin-left: auto;
    border: 1px solid rgba(102, 126, 234, 0.4);
}

.mobile-chat-input-container {
    display: flex;
    gap: 10px;
}

.mobile-chat-input {
    flex: 1;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

.mobile-chat-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.mobile-chat-input:focus {
    outline: none;
    border-color: #00f5ff;
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.3);
}

.mobile-chat-send-btn {
    padding: 15px 20px;
    background: linear-gradient(135deg, #00f5ff, #00bfff);
    color: white;
    border: none;
    border-radius: 25px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.mobile-chat-send-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(0, 245, 255, 0.4);
}

.mobile-chat-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* スマホ用SNS共有 */
.mobile-share-content {
    color: rgba(255, 255, 255, 0.9);
}

.mobile-share-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.mobile-sns-button {
    padding: 15px 20px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.mobile-sns-button.twitter {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
    color: white;
}

.mobile-sns-button.instagram {
    background: linear-gradient(135deg, #e4405f, #fd1d1d, #fcb045);
    color: white;
}

.mobile-sns-button.facebook {
    background: linear-gradient(135deg, #4267b2, #365899);
    color: white;
}

.mobile-sns-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.mobile-share-preview {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mobile-share-preview h4 {
    color: #fff;
    margin-bottom: 10px;
    font-size: 1rem;
}

.mobile-share-text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 下部ナビゲーション */
.bottom-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 1000;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 12px;
    transition: all 0.3s ease;
    min-width: 60px;
}

.nav-item:hover {
    background: rgba(0, 245, 255, 0.1);
    transform: translateY(-2px);
}

.nav-item.active {
    background: rgba(0, 245, 255, 0.2);
    color: #00bfff;
}

.nav-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.nav-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #333;
}

.nav-item.active .nav-label {
    color: #00bfff;
}

/* レスポンシブデザイン */
@media (max-width: 1200px) {
    .heatmap-row-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .analysis-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
    
    .heatmap-stats {
        grid-template-columns: 1fr;
    }

    .integrated-results {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

@media (max-width: 968px) {
    .section-upload-chat {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .analysis-row {
        padding: 25px;
        margin-bottom: 20px;
    }

    .header h1 {
        font-size: 1.8rem;
    }

    .header p {
        font-size: 0.9rem;
    }

    .score-grid {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 15px;
    }

    .section-upload-products {
        padding: 25px 20px;
    }

    .upload-section, .chatbot-section {
        padding: 25px 20px;
    }

    .upload-area {
        padding: 20px 15px;
        min-height: 180px;
    }

    .upload-icon {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }

    .upload-area p {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }

    .file-requirements {
        font-size: 0.8rem !important;
        line-height: 1.3;
    }

    .uploaded-image-container {
        max-width: 300px;
        height: 350px;
        margin: 10px auto;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .mall-links {
        grid-template-columns: 1fr;
    }

    .product-carousel {
        height: 180px;
    }

    .carousel-nav {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .skin-issues ul {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .skin-issues li {
        font-size: 0.9rem;
        padding-left: 25px;
        padding-right: 10px;
    }

    .character-result {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .character-avatar {
        max-width: 220px;
        margin: 0 auto;
    }

    .character-image-container {
        width: 150px;
        height: 150px;
    }

    .sns-share-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .section-upload-products {
        padding: 20px 15px;
    }

    .upload-section, .chatbot-section {
        padding: 20px 15px;
    }

    .upload-area {
        padding: 15px 10px;
        min-height: 150px;
    }

    .upload-icon {
        font-size: 2rem;
        margin-bottom: 10px;
    }

    .upload-area p {
        font-size: 0.9rem;
    }

    .file-requirements {
        font-size: 0.75rem !important;
    }

    .uploaded-image-container {
        max-width: 250px;
        height: 320px;
    }

    .header h1 {
        font-size: 1.6rem;
    }

    .header p {
        font-size: 0.85rem;
    }

    .analyze-btn {
        padding: 15px;
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .section-toggle {
        padding: 6px 12px;
        font-size: 1rem;
    }

    .character-image-container {
        width: 120px;
        height: 120px;
    }

    .character-icon {
        font-size: 3rem;
    }

    /* スマホ版の追加レスポンシブ */
    .mobile-content {
        padding: 15px;
    }

    .mobile-section {
        padding: 20px;
    }

    .mobile-analysis-grid {
        grid-template-columns: 1fr;
    }

    .mobile-basic-info {
        grid-template-columns: 1fr;
    }

    .mobile-heatmap-stats {
        grid-template-columns: 1fr;
    }

    .mobile-product-links {
        grid-template-columns: 1fr;
    }

    .mobile-share-buttons {
        grid-template-columns: 1fr;
    }
}