body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 90%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 10px;
}

h1 {
    text-align: center;
    color: #0066cc;
}

h2 {
    color: #0066cc;
    margin-top: 20px;
}

p {
    line-height: 1.6;
}

.faq-section {
    margin-left: 20px;
}

.faq-question {
    cursor: pointer;
    color: #0066cc;
    font-weight: bold;
    margin: 10px 0;
}

.faq-answer {
    display: none;
    margin: 0 0 10px 20px;
}

.contact {
    margin-top: 20px;
    text-align: center;
}

.contact a {
    color: #0066cc;
    text-decoration: none;
    border: 2px solid #0066cc;
    padding: 10px 20px;
    border-radius: 5px;
    transition: background-color 0.3s, color 0.3s;
}

.contact a:hover {
    background-color: #0066cc;
    color: #fff;
}

footer {
    text-align: center;
    padding: 20px 0;
    font-size: 0.9em;
    color: #777;
}

/* フォームスタイル */
form {
    margin-top: 20px;
}

.field {
    margin-bottom: 15px;
    padding-left: 15px;
    padding-right: 15px;
}

.field label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.field input[type="text"],
.field textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    box-sizing: border-box;
}

.field input[type="text"]:focus,
.field textarea:focus {
    border-color: #0066cc;
}

ul.actions {
    list-style: none;
    padding: 0;
    padding-left: 15px;
    padding-right: 15px;
}

ul.actions li {
    display: inline;
    margin-right: 10px;
}

ul.actions .primary {
    background-color: #0066cc;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

ul.actions .primary:hover {
    background-color: #004999;
}

ul.actions input[type="reset"] {
    background-color: #ccc;
    color: #333;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

ul.actions input[type="reset"]:hover {
    background-color: #999;
}

/* メディアクエリ */
@media (max-width: 600px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 1.5em;
    }

    h2 {
        font-size: 1.2em;
    }

    .contact a {
        padding: 8px 16px;
        font-size: 0.9em;
    }

    .field {
        padding-left: 10px;
        padding-right: 10px;
    }

    ul.actions {
        padding-left: 10px;
        padding-right: 10px;
    }
}