.form-container {
            max-width: 900px;
            margin: 2rem auto;
            background-color: var(--card);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }
        
        /* スマホでのヘッダー重複防止 */
        @media (max-width: 768px) {
            .form-container {
                margin: 100px auto 1rem auto;
                padding: 1.5rem;
                border-radius: 6px;
            }
        }
        
        @media (max-width: 480px) {
            .form-container {
                margin: 80px auto 1rem auto;
                padding: 1rem;
                border-radius: 4px;
            }
        }
        
        .login-required {
            text-align: center;
            padding: 3rem;
        }
        
        .login-required h2 {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text);
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid var(--divider);
            border-radius: 4px;
            font-size: 1rem;
            font-family: inherit;
            box-sizing: border-box;
        }
        
        /* スマホでの読みやすさ向上 */
        @media (max-width: 768px) {
            body {
                -webkit-text-size-adjust: 100%;
                -webkit-font-smoothing: antialiased;
                -moz-osx-font-smoothing: grayscale;
            }
            
            * {
                -webkit-tap-highlight-color: transparent;
            }
            
            .form-group {
                margin-bottom: 1.2rem;
            }
            
            .form-group label {
                font-size: 0.95rem;
                margin-bottom: 0.4rem;
            }
            
            .form-group input,
            .form-group textarea,
            .form-group select {
                padding: 0.8rem;
                font-size: 1rem;
                border-radius: 6px;
                min-height: 44px;
            }
        }
        
        @media (max-width: 480px) {
            .form-group {
                margin-bottom: 1rem;
            }
            
            .form-group label {
                font-size: 0.9rem;
                margin-bottom: 0.3rem;
            }
            
            .form-group input,
            .form-group textarea,
            .form-group select {
                padding: 0.7rem;
                font-size: 0.95rem;
                border-radius: 4px;
            }
        }
        
        /* Image Upload Styles */
        .image-upload-section {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin: 1.5rem 0;
        }
        
        .thumbnail-upload, .icon-upload {
            border: 2px dashed var(--divider);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .thumbnail-upload:hover, .icon-upload:hover {
            border-color: var(--primary);
            background-color: var(--primary-light, rgba(51, 122, 183, 0.05));
        }
        
        .thumbnail-upload {
            min-height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .icon-upload {
            aspect-ratio: 1;
            background-size: cover;
            background-position: center;
        }
        
        /* スマホでの画像アップロード最適化 */
        @media (max-width: 768px) {
            .image-upload-section {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .thumbnail-upload {
                min-height: 150px;
            }
            
            .icon-upload {
                min-height: 120px;
                aspect-ratio: 1;
            }
            
            .upload-placeholder {
                padding: 1rem;
            }
            
            .upload-placeholder i {
                font-size: 1.5rem;
                margin-bottom: 0.3rem;
            }
            
            .image-info {
                font-size: 0.8rem;
                margin-top: 0.3rem;
            }
        }
        
        @media (max-width: 480px) {
            .thumbnail-upload {
                min-height: 120px;
            }
            
            .icon-upload {
                min-height: 100px;
            }
            
            .upload-placeholder {
                padding: 0.8rem;
            }
            
            .upload-placeholder i {
                font-size: 1.2rem;
                margin-bottom: 0.2rem;
            }
            
            .image-info {
                font-size: 0.75rem;
                margin-top: 0.2rem;
            }
        }
        
        .upload-placeholder {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
            color: var(--text-secondary);
            transition: opacity 0.3s ease;
        }
        
        .upload-placeholder.has-image {
            background-color: rgba(0, 0, 0, 0.7);
            color: white;
            opacity: 0;
        }
        
        .thumbnail-upload:hover .upload-placeholder.has-image,
        .icon-upload:hover .upload-placeholder.has-image {
            opacity: 1;
        }
        
        .upload-placeholder i {
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }
        
        .image-info {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
        }
        

        
        /* 登録者情報のスタイル改善 */
        .rs-user-info {
            background: linear-gradient(135deg, var(--primary-light, rgba(51, 122, 183, 0.1)) 0%, var(--primary-light, rgba(51, 122, 183, 0.05)) 100%);
            border-left: 4px solid var(--primary);
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .rs-user-info::before {
            content: "👤";
            font-size: 1.2rem;
        }
        
        .user-display-name {
            font-weight: 600;
            color: var(--primary);
        }
        
        /* Verification Code Section */
        .verification-section {
            background-color: var(--primary-light, rgba(51, 122, 183, 0.1));
            border: 2px solid var(--primary);
            border-radius: 8px;
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        
        /* スマホでの検証セクション最適化 */
        @media (max-width: 768px) {
            .verification-section {
                padding: 1.2rem;
                margin: 1.2rem 0;
                border-radius: 6px;
            }
            
            .verification-title {
                font-size: 1.1rem;
                margin-bottom: 0.8rem;
            }
            
            .verification-code-display {
                padding: 0.8rem;
                font-size: 1rem;
                margin: 0.8rem 0;
            }
            
            .verification-instructions {
                font-size: 0.9rem;
                line-height: 1.5;
            }
            
            .verification-instructions ol {
                margin: 0.4rem 0;
                padding-left: 1.2rem;
            }
            
            .verification-instructions li {
                margin-bottom: 0.4rem;
            }
            
            .generate-code-btn {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
                margin-top: 0.4rem;
                min-height: 44px;
            }
        }
        
        @media (max-width: 480px) {
            .verification-section {
                padding: 1rem;
                margin: 1rem 0;
                border-radius: 4px;
            }
            
            .verification-title {
                font-size: 1rem;
                margin-bottom: 0.6rem;
            }
            
            .verification-code-display {
                padding: 0.6rem;
                font-size: 0.9rem;
                margin: 0.6rem 0;
            }
            
            .verification-instructions {
                font-size: 0.85rem;
                line-height: 1.4;
            }
            
            .verification-instructions ol {
                margin: 0.3rem 0;
                padding-left: 1rem;
            }
            
            .verification-instructions li {
                margin-bottom: 0.3rem;
            }
            
            .generate-code-btn {
                padding: 0.5rem 0.8rem;
                font-size: 0.8rem;
                margin-top: 0.3rem;
            }
        }
        
        .verification-title {
            color: var(--primary);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .verification-code-display {
            background-color: white;
            border: 2px dashed var(--primary);
            padding: 1rem;
            border-radius: 4px;
            text-align: center;
            margin: 1rem 0;
            font-family: 'Courier New', monospace;
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--primary);
        }
        
        .verification-instructions {
            font-size: 0.95rem;
            line-height: 1.6;
            color: var(--text);
        }
        
        .verification-instructions ol {
            margin: 0.5rem 0;
            padding-left: 1.5rem;
        }
        
        .verification-instructions li {
            margin-bottom: 0.5rem;
        }
        
        .generate-code-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        
        .generate-code-btn:hover {
            background-color: var(--primary-dark);
        }
        
        /* Form styling continues... */
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }
        
        .form-group input[readonly] {
            background-color: #f8f9fa;
            border-color: #e9ecef;
            color: #6c757d;
            cursor: not-allowed;
        }
        
        .auto-filled-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .auto-filled-badge {
            background-color: #28a745;
            color: white;
            font-size: 0.7rem;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            font-weight: normal;
        }
        
        .form-actions {
            display: flex;
            gap: 0.5rem;
            align-items: center;
            margin-top: 0.5rem;
        }
        
        .btn-check {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.9rem;
        }
        
        /* スマホでのボタン最適化 */
        @media (max-width: 768px) {
            .btn-check {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
                min-height: 44px;
                border-radius: 6px;
            }
            
            .form-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 0.8rem;
            }
            
            .form-actions span {
                font-size: 0.85rem;
                text-align: center;
            }
        }
        
        @media (max-width: 480px) {
            .btn-check {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
                border-radius: 4px;
            }
            
            .form-actions {
                gap: 0.6rem;
            }
            
            .form-actions span {
                font-size: 0.8rem;
            }
        }
        
        .btn-check:hover {
            background-color: var(--primary-dark);
        }
        
        .btn-check:disabled {
            background-color: #6c757d;
            cursor: not-allowed;
        }
        
        .server-check-status {
            margin-top: 0.5rem;
            padding: 0.5rem;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        
        .status-checking {
            background-color: #fff3cd;
            color: #856404;
        }
        
        .status-success {
            background-color: #d4edda;
            color: #155724;
        }
        
        .status-error {
            background-color: #f8d7da;
            color: #721c24;
        }
        
        /* Tag selection styles */
        .tag-selection-area {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            margin-top: 1rem;
        }
        
        .available-tags {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.5rem;
        }
        
        /* スマホでのタグ選択最適化 */
        @media (max-width: 768px) {
            .tag-selection-area {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .available-tags {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.4rem;
            }
            
            .tag-option {
                padding: 0.6rem;
                border-radius: 6px;
                font-size: 0.9rem;
            }
            
            .selected-tags-area {
                min-height: 150px;
                padding: 0.8rem;
            }
            
            .selected-tag {
                padding: 0.4rem;
                margin-bottom: 0.4rem;
                font-size: 0.85rem;
            }
            
            .tag-count-info {
                font-size: 0.8rem;
                margin-top: 0.4rem;
            }
        }
        
        @media (max-width: 480px) {
            .available-tags {
                grid-template-columns: 1fr;
                gap: 0.3rem;
            }
            
            .tag-option {
                padding: 0.5rem;
                border-radius: 4px;
                font-size: 0.85rem;
            }
            
            .selected-tags-area {
                min-height: 120px;
                padding: 0.6rem;
            }
            
            .selected-tag {
                padding: 0.3rem;
                margin-bottom: 0.3rem;
                font-size: 0.8rem;
            }
            
            .tag-count-info {
                font-size: 0.75rem;
                margin-top: 0.3rem;
            }
        }
        
        .tag-option {
            position: relative;
            display: flex;
            align-items: center;
            padding: 0.75rem;
            border: 2px solid var(--divider);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            user-select: none;
        }
        
        .tag-option:hover {
            border-color: var(--primary);
            background-color: var(--primary-light, rgba(51, 122, 183, 0.1));
        }
        
        .tag-option.selected {
            border-color: var(--primary);
            background-color: var(--primary);
            color: white;
        }
        
        .tag-option input[type="checkbox"] {
            display: none;
        }
        
        .selected-tags-area {
            border: 2px dashed var(--divider);
            border-radius: 8px;
            padding: 1rem;
            min-height: 200px;
        }
        
        .selected-tag {
            background-color: var(--primary);
            color: white;
            padding: 0.5rem;
            border-radius: 4px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.5rem;
        }
        
        .selected-tag .remove-tag {
            cursor: pointer;
            font-weight: bold;
            background: none;
            border: none;
            color: white;
            font-size: 1.2rem;
            padding: 0;
            margin-left: 0.5rem;
        }
        
        .tag-count-info {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.5rem;
        }
        
        /* Website management styles */
        .websites-container {
            margin-top: 1rem;
        }
        
        .website-item {
            display: grid;
            grid-template-columns: 150px 1fr auto;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
            align-items: center;
        }
        
        /* スマホでのウェブサイト管理最適化 */
        @media (max-width: 768px) {
            .website-item {
                grid-template-columns: 1fr;
                gap: 0.4rem;
                margin-bottom: 0.8rem;
            }
            
            .website-item input[type="text"],
            .website-item input[type="url"] {
                padding: 0.7rem;
                font-size: 0.9rem;
                min-height: 44px;
            }
            
            .remove-website {
                padding: 0.6rem;
                font-size: 0.85rem;
                min-height: 44px;
            }
            
            .add-website-btn {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
                margin-top: 0.4rem;
                min-height: 44px;
            }
            
            .tag-count-info {
                font-size: 0.8rem;
                margin-top: 0.4rem;
            }
        }
        
        @media (max-width: 480px) {
            .website-item {
                gap: 0.3rem;
                margin-bottom: 0.6rem;
            }
            
            .website-item input[type="text"],
            .website-item input[type="url"] {
                padding: 0.6rem;
                font-size: 0.85rem;
            }
            
            .remove-website {
                padding: 0.5rem;
                font-size: 0.8rem;
            }
            
            .add-website-btn {
                padding: 0.6rem 1rem;
                font-size: 0.85rem;
                margin-top: 0.3rem;
            }
            
            .tag-count-info {
                font-size: 0.75rem;
                margin-top: 0.3rem;
            }
        }
        
        .website-item input[type="text"],
        .website-item input[type="url"] {
            margin: 0;
        }
        
        .remove-website {
            background-color: #dc3545;
            color: white;
            border: none;
            padding: 0.5rem;
            border-radius: 4px;
            cursor: pointer;
        }
        
        .remove-website:hover {
            background-color: #c82333;
        }
        
        .add-website-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            cursor: pointer;
            margin-top: 0.5rem;
        }
        
        .add-website-btn:hover {
            background-color: var(--primary-dark);
        }
        
        .add-website-btn:disabled {
            background-color: var(--divider);
            cursor: not-allowed;
        }
        
        .preview-section {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid var(--divider);
        }
        
        .server-preview {
            background-color: var(--background);
            padding: 1rem;
            border-radius: 8px;
        }
        
        .server-card {
            background-color: var(--card);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: relative;
        }
        
        .server-image-preview {
            width: 100%;
            height: 160px;
            background-color: #ddd;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        
        .server-icon-preview {
            position: absolute;
            bottom: 10px;
            left: 10px;
            width: 50px;
            height: 50px;
            background-size: cover;
            background-position: center;
            background-color: #fff;
            border: 2px solid #fff;
            border-radius: 8px;
        }
        
        .server-content {
            padding: 1rem;
        }
        
        .server-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 0.5rem;
        }
        
        .server-title {
            margin: 0;
            color: var(--text);
        }
        
        .server-votes {
            background-color: var(--primary);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            font-size: 0.8rem;
        }
        
        .server-tags {
            margin-bottom: 1rem;
        }
        
        .server-tag {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.25rem;
        }
        
        .server-description-preview {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.5;
        }
        
        .server-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .server-stats {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        
        .server-stats span {
            margin-right: 1rem;
        }
        
        .required {
            color: #f44336;
        }
        
        .submit-buttons {
            display: flex;
            gap: 1rem;
            justify-content: flex-end;
            margin-top: 2rem;
        }
        
        /* スマホでの送信ボタン最適化 */
        @media (max-width: 768px) {
            .submit-buttons {
                flex-direction: column;
                gap: 0.8rem;
                margin-top: 1.5rem;
            }
            
            .btn {
                padding: 0.8rem 1.5rem;
                font-size: 0.95rem;
                min-height: 44px;
                border-radius: 6px;
                text-align: center;
            }
        }
        
        @media (max-width: 480px) {
            .submit-buttons {
                gap: 0.6rem;
                margin-top: 1.2rem;
            }
            
            .btn {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
                border-radius: 4px;
            }
        }
        
        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            text-decoration: none;
            display: inline-block;
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .btn-primary {
            background-color: var(--primary);
            color: white;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-dark);
        }
        
        .btn-primary:disabled {
            background-color: #6c757d;
            cursor: not-allowed;
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--divider);
            color: var(--text);
        }
        
        .btn-outline:hover {
            background-color: var(--divider);
        }
        
        .hidden-input {
            display: none;
        }
        
        @media (max-width: 768px) {
            .form-row {
                grid-template-columns: 1fr;
            }
            
            .image-upload-section {
                grid-template-columns: 1fr;
            }
            
            .tag-selection-area {
                grid-template-columns: 1fr;
            }
            
            .available-tags {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .website-item {
                grid-template-columns: 1fr;
                gap: 0.25rem;
            }
            
            .submit-buttons {
                flex-direction: column;
            }
            
            .form-actions {
                flex-direction: column;
                align-items: stretch;
            }
            
            /* マークダウンエディターのモバイル対応 */
            .editor-toolbar {
                flex-direction: column;
                gap: 4px;
                padding: 8px;
            }
            
            .toolbar-group {
                border-right: none;
                border-bottom: 1px solid #ccc;
                padding-bottom: 8px;
                margin-bottom: 4px;
            }
            
            .toolbar-group:last-child {
                border-bottom: none;
                margin-bottom: 0;
            }
            
            .editor-tabs {
                flex-direction: column;
            }
            
            .tab-btn {
                border-bottom: 1px solid #ccc;
                border-right: none;
                border-radius: 0;
                margin-right: 0;
                margin-bottom: 2px;
            }
            
            .tab-btn.active {
                border-right-color: transparent;
                border-bottom-color: #ccc;
                margin-bottom: 0;
                padding-bottom: 8px;
            }
            
            /* プレビューセクションのモバイル対応 */
            .preview-section {
                margin-top: 1.5rem;
                padding-top: 1.5rem;
            }
            
            .server-preview {
                padding: 0.8rem;
            }
            
            .server-image-preview {
                height: 120px;
            }
            
            .server-icon-preview {
                width: 40px;
                height: 40px;
                bottom: 8px;
                left: 8px;
            }
            
            .server-content {
                padding: 0.8rem;
            }
            
            .server-title {
                font-size: 1rem;
            }
            
            .server-description-preview {
                font-size: 0.85rem;
                line-height: 1.4;
            }
            
            .server-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.6rem;
            }
            
            .server-stats {
                font-size: 0.8rem;
            }
        }
        
        @media (max-width: 480px) {
            /* マークダウンエディターの小画面対応 */
            .editor-toolbar {
                padding: 6px;
                gap: 3px;
            }
            
            .toolbar-btn {
                min-width: 20px;
                height: 20px;
                font-size: 10px;
                padding: 2px 4px;
            }
            
            .toolbar-select {
                height: 20px;
                min-width: 50px;
                font-size: 10px;
                padding: 1px 2px;
            }
            
            .toolbar-color {
                width: 20px;
                height: 20px;
            }
            
            /* プレビューセクションの小画面対応 */
            .preview-section {
                margin-top: 1.2rem;
                padding-top: 1.2rem;
            }
            
            .server-preview {
                padding: 0.6rem;
            }
            
            .server-image-preview {
                height: 100px;
            }
            
            .server-icon-preview {
                width: 35px;
                height: 35px;
                bottom: 6px;
                left: 6px;
            }
            
            .server-content {
                padding: 0.6rem;
            }
            
            .server-title {
                font-size: 0.9rem;
            }
            
            .server-description-preview {
                font-size: 0.8rem;
                line-height: 1.3;
            }
            
            .server-footer {
                gap: 0.4rem;
            }
            
            .server-stats {
                font-size: 0.75rem;
            }
        }