body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 40px 20px;
}

.container {
    max-width: 700px;
    margin: 0 auto;
    background-color: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

h1 {
    font-size: 1.8em;
    margin-bottom: 20px;
    color: #2e7d32;
    text-align: center;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto 20px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

p {
    font-size: 1em;
    line-height: 1.6;
    margin-bottom: 20px;
}

.price {
    font-size: 1.2em;
    font-weight: bold;
    color: #4CAF50;
    margin-bottom: 30px;
    text-align: center;
}

form {
    text-align: center;
}

button {
    background-color: #4CAF50;
    color: #fff;
    font-size: 1em;
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #388E3C;
}