body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #ffb6c1, #ffe4e1);
    font-family: "Hiragino Kaku Gothic ProN", sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.container {
    text-align: center;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    max-width: 400px;
}

h1 {
    font-size: 2rem;
    color: #ff69b4;
    margin-bottom: 10px;
}

p {
    font-size: 1.2rem;
    color: #333;
    margin-bottom: 20px;
}

img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 20px;
}

.download-btn {
    display: inline-block;
    text-decoration: none;
    background-color: #ff69b4;
    color: white;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    transition: background-color 0.3s ease;
}

.download-btn:hover {
    background-color: #ff1493;
}

@media screen and (max-width: 480px) {
    .container {
        width: 90%;
        padding: 20px;
    }

    h1 {
        font-size: 1.5rem;
    }

    p {
        font-size: 1rem;
    }

    .download-btn {
        font-size: 0.9rem;
        padding: 8px 16px;
    }
}