* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
            background-color: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        
        /* ヘッダー */
        header {
            text-align: center;
            padding: 20px 0;
            background: linear-gradient(135deg, #d4af37, #b8860b);
            color: white;
            border-radius: 8px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"><path d="M50,5 L60,35 L90,35 L65,55 L75,85 L50,65 L25,85 L35,55 L10,35 L40,35 Z" fill="none" stroke="rgba(255,255,255,0.2)" stroke-width="2"/></svg>');
            background-size: 80px;
            opacity: 0.3;
        }
        
        h1 {
            font-size: 28px;
            margin-bottom: 10px;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
        }
        
        .subtitle {
            font-size: 16px;
            font-weight: normal;
        }
        
        /* LINE連携セクション */
        .line-section {
            background: linear-gradient(135deg, #06c755, #00b34a);
            color: white;
            padding: 20px;
            border-radius: 10px;
            margin-bottom: 30px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(6, 199, 85, 0.3);
        }
        
        .line-title {
            font-size: 22px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .line-title i {
            font-size: 28px;
        }
        
        .line-description {
            margin-bottom: 20px;
            font-size: 16px;
        }
        
        .line-button {
            display: inline-block;
            background-color: white;
            color: #06c755;
            padding: 12px 25px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 18px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        
        .line-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.25);
        }
        
        .line-features {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-top: 20px;
            gap: 15px;
        }
        
        .line-feature {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 180px;
        }
        
        .line-feature i {
            font-size: 24px;
            margin-bottom: 8px;
            background-color: rgba(255,255,255,0.2);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .line-feature span {
            font-size: 14px;
            text-align: center;
        }
        
        /* 人物紹介 */
        .profile {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 30px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .profile-image {
            flex: 1;
            min-width: 200px;
            background-color: #f9f9f9;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        
        .profile-image img {
            max-width: 100%;
            border-radius: 50%;
            border: 3px solid #d4af37;
        }
        
        .profile-info {
            flex: 2;
            min-width: 300px;
            padding: 20px;
            background-color: #fff;
        }
        
        .profile-name {
            color: #b22222;
            font-size: 24px;
            margin-bottom: 10px;
            border-bottom: 2px solid #d4af37;
            padding-bottom: 5px;
        }
        
        .profile-title {
            font-weight: bold;
            color: #b8860b;
            margin-bottom: 15px;
        }
        
        /* 技術特長 */
        .features {
            margin-bottom: 30px;
        }
        
        .section-title {
            color: #b22222;
            font-size: 22px;
            margin-bottom: 15px;
            padding-bottom: 5px;
            border-bottom: 2px solid #d4af37;
        }
        
        .feature-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
        }
        
        .feature-item {
            background-color: #fff9e6;
            padding: 15px;
            border-radius: 8px;
            border-left: 0px solid #d4af37;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .feature-title {
            color: #b22222;
            font-weight: bold;
            margin-bottom: 8px;
        }
        
        /* 交流コミュニティ */
        .community {
            margin-bottom: 30px;
        }
        
        .community-intro {
            margin-bottom: 20px;
            padding: 15px;
            background-color: #fff9e6;
            border-radius: 8px;
        }
        
        .community-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }
        
        .community-item {
            background-color: #f9f9f9;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid #e0e0e0;
        }
        
        .community-icon {
            font-size: 24px;
            margin-bottom: 10px;
            color: #b8860b;
        }
        
        /* フッター */
        footer {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #e0e0e0;
            font-size: 14px;
            color: #666;
        }
        
        .disclaimer {
            margin-bottom: 20px;
        }
        
        .disclaimer-title, .privacy-title {
            color: #b22222;
            font-weight: bold;
            margin-bottom: 10px;
            cursor: pointer;
            display: flex;
            align-items: center;
        }
        
        .disclaimer-title::before, .privacy-title::before {
            content: "▶";
            margin-right: 8px;
            font-size: 12px;
            transition: transform 0.3s;
        }
        
        .disclaimer-title.active::before, .privacy-title.active::before {
            transform: rotate(90deg);
        }
        
        .disclaimer-content, .privacy-content {
            display: none;
            padding: 15px;
            background-color: #f9f9f9;
            border-radius: 8px;
            margin-top: 10px;
        }
        
        .copyright {
            text-align: center;
            margin-top: 20px;
            padding-top: 10px;
            border-top: 1px solid #e0e0e0;
        }
        
        /* レスポンシブ対応 */
        @media (max-width: 600px) {
            .profile {
                flex-direction: column;
            }
            
            .profile-image, .profile-info {
                min-width: 100%;
            }
            
            .feature-list, .community-features {
                grid-template-columns: 1fr;
            }
            
            .line-features {
                flex-direction: column;
                align-items: center;
            }
        }