body {
            font-family: "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
            line-height: 1.8;
            background: #f8f9fa;
            color: #333;
            margin: 0;
            padding: 0;
            font-size: 16px;
        }

        .header {
            background: #003366;
            color: white;
            padding: 2.5rem 1rem 2rem;
            text-align: center;
        }

        .profile-img {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            object-fit: cover;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .section {
            background: white;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            margin-bottom: 2.5rem;
            padding: 2rem;
        }

        .line-btn {
            display: block;
            width: 100%;
            max-width: 360px;
            margin: 2rem auto;
            background: #00C300;
            color: white;
            padding: 1.5rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            text-align: center;
            transition: 0.3s;
        }

        .line-btn:hover {
            opacity: 0.9;
        }

        .review {
            border-left: 4px solid #e0e0e0;
            margin: 1.5rem 0;
            padding-left: 1rem;
            color: #555;
            line-height: 1.5;
        }

        .footer {
            text-align: center;
            padding: 1.5rem;
            font-size: 0.9rem;
            color: #888;
            background: #f8f9fa;
        }

        @media screen and (max-width: 600px) {
            .section {
                padding: 1.5rem;
            }
            
            .profile-img {
                width: 100px;
                height: 100px;
            }
        }