/* 全体のスタイルリセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
}

/* ヘッダー */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: #000;
    color: #fff;
}

.logo h1 {
    font-size: 2rem;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

nav ul li a:hover {
    text-decoration: underline;
}

/* フッター */
footer {
    padding: 1rem;
    background-color: #000;
    color: #fff;
    text-align: center;
}

footer nav ul {
    list-style: none;
    padding: 0;
}

footer nav ul li {
    display: inline;
    margin: 0 1rem;
}

footer nav ul li a {
    color: #fff;
    text-decoration: none;
}

footer nav ul li a:hover {
    text-decoration: underline;
}

/* 使い方ページ */
.howto-section {
    padding: 2rem;
    text-align: center;
    background-color: #f9f9f9;
    min-height: 100vh;
}

.howto-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.howto-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    text-align: left;
}

.step h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.step img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1rem;
    border-radius: 10px;
}

.step p {
    font-size: 1.2rem;
}

/* メディアクエリでレスポンシブ対応 */
@media (max-width: 768px) {
    .steps {
        flex-direction: column;
        gap: 1.5rem;
    }
}



/* FAQセクション */
.faq-section {
    padding: 2rem;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 800px;
    margin: 2rem auto;
}

.faq-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.faq-item {
    margin-bottom: 1.5rem;
}

.faq-item h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.faq-item p {
    font-size: 1.2rem;
    line-height: 1.6;
    color: #555;
}

/* メディアクエリでレスポンシブ対応 */
@media (max-width: 768px) {
    .faq-section {
        padding: 1.5rem;
    }

    .faq-item h3 {
        font-size: 1.6rem;
    }

    .faq-item p {
        font-size: 1rem;
    }
}