/* style.css */

/* 全体設定 */
body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0; /* bodyのmarginは0にリセット */
    background-color: #FFFFFF; /* 白背景 */
    min-height: 100vh; /* 画面いっぱいの高さを確保 */
    display: flex; /* bodyをFlexコンテナに */
    flex-direction: column; /* 子要素を縦方向に並べる */
    align-items: center; /* 子要素（container, footer）を中央寄せ */
    padding: 0; /* body自身のpaddingはここではなし。containerで調整 */
}

/* コンテンツ全体を中央に配置するラッパー */
.container {
    width: 100%; /* 親（body）の幅いっぱいに広げる */
    max-width: 500px; /* コンテンツの最大幅を設定 */
    padding: 20px; /* ★★★ 両端が切れないように内側に余白を設定 ★★★ */
    box-sizing: border-box; /* paddingを含めてwidthを計算 */
    flex-grow: 1; /* コンテンツが余白を占めるように（フッターを下に押しやる） */
    text-align: center; /* 全体は中央揃えを維持 */
}

/* --- プロフィール関連 --- */
.profile-area {
    margin-bottom: 30px;
}

.profile-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #ddd;
    margin-bottom: 10px;
}

.profile-name {
    font-size: 1.8em;
    font-weight: 700;
    color: #333333;
    margin: 10px 0 5px;
}

.profile-bio {
    font-size: 1em;
    color: #666666;
    line-height: 1.5;
}

/* --- ソーシャルアイコン関連 --- */
.social-icons {
    margin-bottom: 30px;
    display: flex;
    justify-content: center; /* flexアイテムを中央揃え */
    gap: 15px; /* アイコン間の間隔 */
}

.social-icon-link img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #000000;
    padding: 5px;
    box-sizing: border-box;
    transition: transform 0.2s ease;
}

.social-icon-link img:hover {
    transform: scale(1.1);
}

---

### Category Title Section

```css
.category-section {
    margin-bottom: 40px; /* Space between each category */
    text-align: center; /* ★★★ Centering the category title ★★★ */
}

.category-title {
    font-size: 1.5em;
    font-weight: 400; /* Standard font-weight for the heading */
    color: #333333;
    margin-bottom: 20px;
    position: relative;
    display: inline-block; /* Maintained as inline-block for the underline */
}

.category-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, #FF0077, #FF8800);
}

.product-links {
    display: flex;
    flex-direction: column;
    gap: 15px; /* Space between items */
}

.product-link-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* Individual item content remains left-aligned */
    text-align: left; /* Text remains left-aligned */
    padding: 15px 20px;
    border-radius: 10px;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    transition: background 0.3s ease, transform 0.2s ease;

    background: linear-gradient(to right, #FFB9B9, #FFFF96);
    border: 1px solid #EAEAEA;
    color: #333333;
    width: 100%; /* Spans the full width of its parent */
    box-sizing: border-box; /* Includes padding in width calculation */
}

.product-link-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.product-main-content {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}

.product-title-icon {
    font-size: 2em;
    margin-right: 15px;
}

.product-text-content {
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.2em;
    font-weight: 700;
    color: #333333;
    line-height: 1.3;
}

.product-description {
    font-size: 0.9em;
    color: #666666;
    line-height: 1.3;
    margin-top: 2px;
}

.product-meta-info {
    font-size: 0.8em;
    color: #999999;
    margin-top: 10px;
    width: 100%;
    text-align: right; /* Remains right-aligned */
}

.link-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px; /* Space between buttons */
}

.link-button {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Individual button content remains left-aligned */
    padding: 15px 20px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);

    background: linear-gradient(to right, #FF0077, #FF8800);
    color: #FFFFFF;
    border: none;
    width: 100%; /* Spans the full width of its parent */
    box-sizing: border-box; /* Includes padding in width calculation */
}

.link-button:hover {
    background: linear-gradient(to right, #FF3399, #FF9933);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.button-icon {
    margin-right: 15px;
    font-size: 1.2em;
}

.nostr-embed-container {
    margin-top: 20px;
    width: 100%;
    text-align: left; /* Content within the container remains left-aligned */
}

.footer-contact {
    width: 100%;
    max-width: 500px; /* Restricted to the same max-width as the content */
    margin-top: 50px; /* Space from the content above */
    padding: 20px; /* Inner padding for the footer */
    box-sizing: border-box; /* Includes padding in width calculation */
    text-align: center;
    font-size: 0.9em;
    color: #999999;
    border-top: 1px solid #EAEAEA;
}

.footer-contact p {
    margin: 5px 0;
}

.footer-contact .footer-link {
    color: #007bff;
    text-decoration: none;
}

.footer-contact .footer-link:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    /* body padding is adjusted by container, so reset here */
    body {
        padding: 0;
    }
    .container {
        padding: 10px; /* Reduce inner padding slightly on mobile */
        padding-bottom: 60px; /* Adjust container bottom padding to prevent footer overlap */
    }
    .profile-name {
        font-size: 1.5em;
    }
    .profile-bio {
        font-size: 0.9em;
    }
    .link-button,
    .product-link-item {
        font-size: 1em;
        padding: 12px 15px;
    }
    .button-icon {
        font-size: 1em;
    }
    .product-title-icon {
        font-size: 1.8em;
    }
    .product-title {
        font-size: 1.1em;
    }
    .product-description {
        font-size: 0.85em;
    }
    .product-meta-info {
        font-size: 0.75em;
    }
    .footer-contact {
        margin-top: 30px;
        padding: 15px; /* Adjust footer inner padding on mobile */
        font-size: 0.8em;
    }
}
/* YouTube埋め込みプレイヤーのレスポンシブ対応 */
.youtube-embed-player {
    width: 100%; /* 親要素の幅いっぱいに広げる */
    aspect-ratio: 16 / 9; /* 16:9の縦横比を維持 */
    max-width: 560px; /* 必要に応じて最大幅を設定 */
    height: auto; /* 高さは自動調整 */
    display: block; /* ブロック要素にする */
    margin: 10px 0; /* 上下の余白 */
}
/* Nostrリストの説明文のスタイル */
.nostr-list-description {
    font-size: 0.9em; /* 少し小さめに */
    color: #666; /* 少し薄めの色に */
    margin-top: 15px; /* 上に少し余白 */
    margin-bottom: 5px; /* 下に少し余白 */
    font-weight: bold; /* 太字にするなど */
}