/*
Theme Name: AI LIFE Academy
Description: AI学習コンテンツ用e-learningサイト
Author: AI LIFE Academy
Version: 1.0.0
Text Domain: ailife-academy
Requires at least: 6.0
Tested up to: 6.4
Requires PHP: 7.4
License: GPL v2 or later
*/

/* ============================================
   Twenty Twenty-Five 基本スタイル（継承）
   ============================================ */

/* リセットCSS */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -moz-tab-size: 4;
    tab-size: 4;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    line-height: 1.5;
}

body {
    margin: 0;
    font-family: inherit;
    line-height: inherit;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 基本タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
    margin: 0;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
}

button {
    background-color: transparent;
    background-image: none;
    padding: 0;
    border: 0;
}

button:focus {
    outline: 1px dotted;
    outline: 5px auto -webkit-focus-ring-color;
}

a {
    color: inherit;
    text-decoration: inherit;
}

ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* 基本レイアウト */
.site {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.site-main {
    flex: 1;
}

/* コンテナ */
.wp-site-blocks {
    padding-left: var(--wp--preset--spacing--30, 1.5rem);
    padding-right: var(--wp--preset--spacing--30, 1.5rem);
}

@media (min-width: 782px) {
    .wp-site-blocks {
        padding-left: var(--wp--preset--spacing--40, 2rem);
        padding-right: var(--wp--preset--spacing--40, 2rem);
    }
}

/* 基本カラー */
:root {
    --wp--preset--color--black: #000000;
    --wp--preset--color--cyan-bluish-gray: #abb8c3;
    --wp--preset--color--white: #ffffff;
    --wp--preset--color--pale-pink: #f78da7;
    --wp--preset--color--vivid-red: #cf2e2e;
    --wp--preset--color--luminous-vivid-orange: #ff6900;
    --wp--preset--color--luminous-vivid-amber: #fcb900;
    --wp--preset--color--light-green-cyan: #7bdcb5;
    --wp--preset--color--vivid-green-cyan: #00d084;
    --wp--preset--color--pale-cyan-blue: #8ed1fc;
    --wp--preset--color--vivid-cyan-blue: #0693e3;
    --wp--preset--color--vivid-purple: #9b51e0;
    --wp--preset--spacing--20: 0.44rem;
    --wp--preset--spacing--30: 1rem;
    --wp--preset--spacing--40: 1.5rem;
    --wp--preset--spacing--50: 2.25rem;
    --wp--preset--spacing--60: 3rem;
}

/* 基本スタイル */
body {
    color: var(--wp--preset--color--black, #000000);
    background-color: var(--wp--preset--color--white, #ffffff);
}

/* リンクスタイル */
a {
    color: var(--wp--preset--color--vivid-cyan-blue, #0693e3);
    text-decoration: underline;
    text-underline-offset: 0.15em;
}

a:hover {
    text-decoration-thickness: 2px;
}

/* 見出しスタイル */
h1 {
    font-size: clamp(1.5rem, 1.5rem + ((1vw - 0.2rem) * 2.5), 2.5rem);
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: clamp(1.25rem, 1.25rem + ((1vw - 0.2rem) * 2.5), 2rem);
    line-height: 1.3;
    font-weight: 600;
}

h3 {
    font-size: clamp(1.125rem, 1.125rem + ((1vw - 0.2rem) * 1.5), 1.5rem);
    line-height: 1.4;
    font-weight: 600;
}

/* 段落スタイル */
p {
    margin-top: 0;
    margin-bottom: 1rem;
}

/* リストスタイル */
ul, ol {
    margin-top: 0;
    margin-bottom: 1rem;
    padding-left: 2rem;
}

ul {
    list-style-type: disc;
}

ol {
    list-style-type: decimal;
}

/* テーブルスタイル */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
    margin-bottom: 1rem;
}

th, td {
    padding: 0.5rem;
    border: 1px solid var(--wp--preset--color--cyan-bluish-gray, #abb8c3);
}

th {
    font-weight: 600;
    text-align: left;
}

/* フォームスタイル */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
input[type="date"],
input[type="month"],
input[type="week"],
input[type="time"],
input[type="datetime"],
input[type="datetime-local"],
input[type="color"],
textarea,
select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--wp--preset--color--cyan-bluish-gray, #abb8c3);
    border-radius: 0;
    font-size: 1rem;
    line-height: 1.5;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 0;
    font-size: 1rem;
    line-height: 1.5;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

/* レスポンシブ */
@media (max-width: 781px) {
    .wp-site-blocks {
        padding-left: var(--wp--preset--spacing--30, 1rem);
        padding-right: var(--wp--preset--spacing--30, 1rem);
    }
}

/* AI LIFE Academy グローバルスタイル */
* {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* AI LIFE Academy ヘッダー統合スタイル */
.ailife-custom-header-wrapper,
.site-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0;
    font-family: 'Noto Sans JP', sans-serif;
}

.ailife-header-container,
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    gap: 2rem;
}

/* 左寄せエリア統合 */
.ailife-header-left,
.header-left {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 1;
}

.site-logo {
    flex-shrink: 0;
}

.site-logo .custom-logo,
.site-logo .logo-image {
    height: 40px;
    width: auto;
}

.ailife-site-title,
.site-title {
    flex-shrink: 0;
}

.ailife-site-title h1,
.site-title h1 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #333333;
}

.ailife-site-title a,
.site-title a {
    text-decoration: none;
    background: linear-gradient(135deg, #fbbf24 0%, #10b981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.2s ease;
}

.ailife-site-title a:hover,
.site-title a:hover {
    background: #1847C7;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ナビゲーション統合 */
.ailife-main-nav,
.main-navigation {
    flex-shrink: 0;
}

.nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.ailife-main-nav a,
.nav-link {
    text-decoration: none;
    color: #333333;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    font-size: 18px;
}

.ailife-main-nav a:hover,
.nav-link:hover {
    background-color: transparent;
    color: #1847C7;
}

/* 右寄せエリア統合 */
.ailife-header-right,
.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.account-menu {
    display: flex;
    align-items: center;
    height: 100%;
}

/* 検索窓統合 */
.ailife-search,
.search-container {
    position: relative;
}

.ailife-search form,
.search-form {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.ailife-search form:focus-within,
.search-form:focus-within {
    border-color: #1847C7;
    box-shadow: 0 0 0 3px rgba(24, 71, 199, 0.1);
}

.ailife-search input,
.search-field {
    border: none;
    background: transparent;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: #374151;
    width: 250px;
    outline: none;
}

.ailife-search input::placeholder,
.search-field::placeholder {
    color: #9ca3af;
}

.ailife-search button,
.search-submit {
    border: none;
    background: transparent;
    padding: 0.5rem;
    color: #6b7280;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.ailife-search button:hover,
.search-submit:hover {
    color: #1847C7;
}

/* アカウントメニュー統合 */
.ailife-account,
.account-menu {
    position: relative;
}

/* PC用メニュー */
.desktop-menu {
    display: block;
}

.mobile-menu {
    display: none;
}

/* ユーザーメニュートグル */
.user-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #e5e7eb;
    transition: border-color 0.2s ease;
}

.user-menu-toggle:hover .user-avatar {
    border-color: #1847C7;
}

/* ドロップダウンメニュー */
.user-dropdown,
.mobile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    margin-top: 0.5rem;
}

/* PC用：ホバーで表示 */
.desktop-menu:hover .user-dropdown,
.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* ドロップダウン自体にホバーした時も表示を維持 */
.user-dropdown:hover,
.mobile-dropdown:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* デバッグ用：メニューを常に表示（テスト時のみ） */
/*
.user-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}
*/

.user-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

.user-dropdown li {
    margin: 0;
}

.user-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: #333333;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.user-dropdown a:hover {
    background: #f8fafc;
    color: #1847C7;
}

/* ハンバーガーメニュー（スマホ用） */
.mobile-menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.mobile-menu-toggle:hover {
    background: #f3f4f6;
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: #333333;
    transition: all 0.3s ease;
    border-radius: 1px;
}

/* ハンバーガーアニメーション */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* モバイルドロップダウン */
.mobile-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    z-index: 1000;
    margin-top: 0.5rem;
}

.mobile-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

.mobile-dropdown li {
    margin: 0;
}

.mobile-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: #333333;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.mobile-dropdown a:hover {
    background: #f8fafc;
    color: #1847C7;
}

/* ========================================
   ヘッダー レスポンシブ対応
   ======================================== */

/* PC用ナビゲーション - デフォルト表示 */
.desktop-nav {
    display: flex;
}

/* モバイルハンバーガーメニューボタン - デフォルト非表示 */
.mobile-menu-button {
    display: none;
}

/* モバイル用フルスクリーンメニュー - デフォルト非表示 */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: #ffffff;
    padding: 0;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* モバイルメニューヘッダー（閉じるボタンエリア） */
.mobile-menu-header {
    display: flex;
    justify-content: flex-end;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e5e7eb;
    flex-shrink: 0;
}

.mobile-menu-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    color: #6b7280;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-menu-close:hover {
    background: #f3f4f6;
    color: #333333;
}

.mobile-menu-close:focus {
    outline: 2px solid #1847C7;
    outline-offset: 2px;
}

.mobile-menu-overlay.active .mobile-menu-content {
    transform: translateX(0);
}

/* ハンバーガーボタンスタイル */
.hamburger-menu {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.hamburger-menu:hover {
    background: #f3f4f6;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: #333333;
    margin: 2px 0;
    transition: all 0.3s ease;
    transform-origin: center;
}

/* ハンバーガーメニューアニメーション */
.hamburger-menu.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* モバイル検索スタイル */
.mobile-search {
    margin-bottom: 2rem;
    padding: 2rem 1.5rem 2rem;
    border-bottom: 1px solid #e5e7eb;
}

.mobile-search .search-form {
    display: flex;
    gap: 8px;
}

.mobile-search-field {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    font-family: 'Noto Sans JP', sans-serif;
    transition: border-color 0.2s ease;
}

.mobile-search-field:focus {
    outline: none;
    border-color: #1847C7;
}

.mobile-search-submit {
    padding: 12px;
    background: #1847C7;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.mobile-search-submit:hover {
    background: #1539a8;
}

/* モバイルナビゲーション */
.mobile-navigation {
    margin-bottom: 2rem;
    padding: 0 1.5rem;
}

.mobile-nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-item {
    margin-bottom: 8px;
}

.mobile-nav-link {
    display: block;
    padding: 16px 0;
    color: #333333;
    text-decoration: none;
    font-size: 18px;
    font-weight: 500;
    border-bottom: 1px solid #f3f4f6;
    transition: color 0.2s ease;
}

.mobile-nav-link:hover {
    color: #1847C7;
}

/* モバイルアカウント情報 */
.mobile-account {
    margin-top: auto;
    padding: 2rem 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 1rem;
}

.mobile-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.mobile-username {
    font-weight: 500;
    color: #333333;
}

.mobile-logout-btn,
.mobile-discord-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    background: #1847C7;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

.mobile-logout-btn:hover,
.mobile-discord-login:hover {
    background: #1539a8;
}

/* タブレット・モバイル対応 (768px以下) */
@media (max-width: 768px) {
    /* ヘッダーコンテナ調整 */
    .header-container {
        padding: 1rem;
        gap: 1rem;
    }
    
    /* PC用ナビゲーション非表示 */
    .desktop-nav {
        display: none;
    }
    
    /* PC用検索窓非表示 */
    .desktop-search {
        display: none;
    }
    
    /* モバイルハンバーガーメニューボタン表示 */
    .mobile-menu-button {
        display: flex;
        align-items: center;
        order: 3;
    }
    
    /* モバイル用フルスクリーンメニュー表示可能 */
    .mobile-menu-overlay {
        display: block;
    }
    
    /* ヘッダー左エリア調整 */
    .header-left {
        gap: 1rem;
        flex: 1;
    }
    
    /* サイトタイトルのフォントサイズ調整 */
    .site-title h1 {
        font-size: 1.25rem;
    }
    
    /* ロゴサイズ調整 */
    .site-logo .custom-logo,
    .site-logo .logo-image {
        height: 32px;
    }
    
    /* 既存のモバイルメニュー非表示 */
    .desktop-menu {
        display: none;
    }
    
    .mobile-menu {
        display: none;
    }
}

/* スマートフォン対応 (480px以下) */
@media (max-width: 480px) {
    .header-container {
        padding: 0.75rem;
    }
    
    .site-title h1 {
        font-size: 1.1rem;
    }
    
    .site-logo .custom-logo,
    .site-logo .logo-image {
        height: 28px;
    }
    
    .mobile-menu-content {
        width: 90%;
        padding: 1.5rem;
    }
}

/* モバイルメニューが開いている時のbody制御 */
body.mobile-menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* キーボードフォーカスの視覚的フィードバック */
.keyboard-focus {
    outline: 2px solid #1847C7 !important;
    outline-offset: 2px !important;
}

/* ========================================
   コース詳細ページ - 折りたたみ機能
   ======================================== */

.ailife-course-content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 0.5rem 0;
    user-select: none;
}

.ailife-toggle-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    color: #6b7280;
    transition: all 0.2s ease;
    display: none; /* PC表示では非表示 */
}

.ailife-toggle-button:hover {
    background: #f3f4f6;
    color: #333333;
}

.ailife-toggle-button:focus {
    outline: 2px solid #1847C7;
    outline-offset: 2px;
}

.ailife-toggle-icon {
    transition: transform 0.2s ease;
}

.ailife-toggle-button[aria-expanded="true"] .ailife-toggle-icon {
    transform: rotate(180deg);
}

.ailife-collapsible-content {
    transition: all 0.3s ease;
    overflow: hidden;
}

.ailife-account,
.user-menu {
    position: relative;
}

.ailife-account a,
.auth-buttons .login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: #6b7280;
    text-decoration: none;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.ailife-account a:hover,
.auth-buttons .login-button:hover {
    background-color: #f3f4f6;
    color: #1847C7;
}

.ailife-user-menu button,
.user-menu-toggle {
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 50%;
    padding: 0;
    transition: transform 0.2s ease;
}

.ailife-user-menu button:hover,
.user-menu-toggle:hover {
    transform: scale(1.05);
}

.user-avatar {
    border-radius: 50%;
    width: 32px;
    height: 32px;
    object-fit: cover;
    border: 2px solid #e5e7eb;
    transition: border-color 0.2s ease;
}

.discord-avatar {
    border: 2px solid #5865F2;
}

.username {
    color: #333333;
    font-weight: 500;
    font-size: 0.9rem;
}

/* Discord ログインボタン */
.discord-login-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #5865F2;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.discord-login-button:hover {
    background: #4752C4;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(88, 101, 242, 0.3);
}

.discord-login-button svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.login-text {
    white-space: nowrap;
}

/* モバイルでのDiscordログインボタン */
@media (max-width: 767px) {
    .discord-login-button .login-text {
        display: none;
    }
    
    .discord-login-button {
        padding: 0.75rem;
        border-radius: 50%;
    }
}

#user-dropdown,
.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s ease;
    margin-top: 0.5rem;
}

.user-menu-toggle[aria-expanded="true"] + .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#user-dropdown ul,
.user-dropdown ul {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0;
}

#user-dropdown li,
.user-dropdown li {
    margin: 0;
}

#user-dropdown a,
.user-dropdown a {
    display: block;
    padding: 0.75rem 1rem;
    color: #374151;
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color 0.2s ease;
}

#user-dropdown a:hover,
.user-dropdown a:hover {
    background-color: #f3f4f6;
    color: #1847C7;
}

.screen-reader-text {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    .site-header {
        background-color: #1f2937;
        border-bottom-color: #374151;
    }
    
    .site-title h1 {
        color: #f9fafb;
    }
    
    .site-title a:hover {
        color: #60a5fa;
    }
    
    .nav-link {
        color: #374151;
    }
    
    .nav-link:hover {

        color: #1847C7;
    }
    
    .search-form {
        
        background: #ffffff;
        border-color: #a7a7a7;
    }
    
    .search-form:focus-within {
        border-color: #60a5fa;
        box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.1);
    }
    
    .search-field {
        color: #333333;
    }
    
    .search-field::placeholder {
        color: #9ca3af;
    }
    
    .search-submit {
        color: #9ca3af;
    }
    
    .search-submit:hover {
        color: #60a5fa;
    }
    
    .user-dropdown {
        background: #374151;
        border-color: #4b5563;
    }
    
    .user-dropdown a {
        color: #d1d5db;
    }
    
    .user-dropdown a:hover {
        background-color: #4b5563;
        color: #60a5fa;
    }
    
    .auth-buttons .login-button {
        color: #9ca3af;
    }
    
    .auth-buttons .login-button:hover {

        color: #1847C7;
    }
}

/* トップページスタイル */
.ailife-front-page {
    padding: 0;
}

.ailife-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ヒーローセクション */
.ailife-hero-section {
    position: relative;
    width: 100%;
    height: 60vh;
    min-height: 400px;
    overflow: hidden;
}

.ailife-hero-content {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ヒーロー動画の上に重ねるロゴ */
.ailife-hero-logo-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    pointer-events: none;
}

.ailife-hero-logo {
    max-width: 400px;
    width: auto;
    height: auto;
    opacity: 0.95;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.ailife-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 動画タグにも同じスタイルを適用 */
.ailife-hero-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ailife-hero-cta {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.ailife-cta-button {
    display: inline-block;
    background: #1847C7;
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.ailife-cta-button:hover {
    background: #1338A8;
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* カテゴリセクション */
.ailife-categories-section {
    padding: 4rem 0;
    background: #f9fafb;
    position: relative;
    z-index: 1;
}

.ailife-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.ailife-section-header h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #333333;
    margin: 0;
}

.ailife-view-all {
    color: #1847C7;
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.ailife-view-all:hover {
    border-bottom-color: #1847C7;
}

.ailife-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.ailife-category-card {
    position: relative;
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.ailife-category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.ailife-new-badge {
    position: absolute;
    top: -8px;
    right: 16px;
    background: #f97316;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.ailife-category-name {
    margin: 0 0 0.5rem 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.ailife-category-name a {
    color: #333333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.ailife-category-name a:hover {
    color: #1847C7;
}

.ailife-course-count {
    color: #6b7280;
    font-size: 0.875rem;
}

/* ランキングセクション */
.ailife-ranking-section {
    padding: 4rem 0;
}

.ailife-ranking-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #e5e7eb;
}

.ailife-tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.ailife-tab-button.active,
.ailife-tab-button:hover {
    color: #1847C7;
    border-bottom-color: #1847C7;
}

.ailife-courses-slider-container {
    position: relative;
}

.ailife-courses-slider {
    display: flex;
    gap: 1.5rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-bottom: 1rem;
}

.ailife-courses-slider::-webkit-scrollbar {
    display: none;
}

.ailife-course-card {
    flex: 0 0 300px;
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.ailife-course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.ailife-course-thumbnail {
    position: relative;
    width: 300px;
    height: 169px; /* 16:9比率で300pxに対応 */
    overflow: hidden;
}

.ailife-course-thumbnail img {
    width: 300px;
    height: 169px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ailife-course-card:hover .ailife-course-thumbnail img {
    transform: scale(1.05);
}

.ailife-course-duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 500;
}


.ailife-course-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s ease;
}

.ailife-course-title a:hover {
    color: #1847C7;
}

.ailife-course-meta {
    margin-top: 0.75rem;
}

.ailife-course-meta-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.ailife-course-category,
.ailife-course-level,
.ailife-course-duration-meta,
.ailife-course-students {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: #64748b;
    font-weight: 500;
}

/* タイトルと価格の行 */
.ailife-course-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.25rem;
    gap: 1rem;
}

.ailife-course-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    color: #333333;
    flex: 1;
    min-height: 2.4rem; /* タイトル高さを統一 */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 価格バッジ（タイトル行の右端） */
.ailife-course-price {
    flex-shrink: 0;
}

.ailife-course-price .ailife-price-free {
    background: #dcfce7;
    color: #16a34a;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.75rem;
    border: 1px solid #bbf7d0;
    white-space: nowrap;
}

.ailife-course-price .ailife-price-paid {
    background: #fef3c7;
    color: #d97706;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.75rem;
    border: 1px solid #fed7aa;
    white-space: nowrap;
}

.ailife-course-level {
    background: white;
    color: #64748b;
    padding: 0.375rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.75rem;
    border: none;
}

/* カテゴリーバッジ（左上） */
.ailife-course-category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: #1847C7;
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(24, 71, 199, 0.3);
    backdrop-filter: blur(8px);
}

.ailife-icon-category::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M2 6h20'/%3E%3Cpath d='M2 12h20'/%3E%3Cpath d='M2 18h20'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.ailife-icon-level::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpolyline points='22,12 18,12 15,21 9,3 6,12 2,12'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    margin-top: 0.25rem;

}

.ailife-icon-students::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2'/%3E%3Ccircle cx='9' cy='7' r='4'/%3E%3Cpath d='M23 21v-2a4 4 0 0 0-3-3.87'/%3E%3Cpath d='M16 3.13a4 4 0 0 1 0 7.75'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

.ailife-course-students {
    font-size: 0.75rem;
    color: #059669;
    font-weight: 500;
}

.ailife-no-courses {
    text-align: center;
    padding: 3rem;
    color: #6b7280;
}

/* 無料コンテンツセクション */
.ailife-free-content-section {
    padding: 4rem 0;
    background: #ffffff;
}

.ailife-free-course .ailife-course-thumbnail {
    position: relative;
}

/* 削除：古い無料バッジスタイル */

/* タグ検索セクション */
.ailife-tag-search-section {
    padding: 4rem 0;
    background: #f9fafb;
}

.ailife-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
}

.ailife-tag-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 2rem;
    padding: 0.75rem 1.25rem;
    text-decoration: none;
    color: #374151;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.ailife-tag-button:hover {
    background: #1847C7;
    border-color: #1847C7;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(24, 71, 199, 0.2);
}

.ailife-tag-icon {
    font-size: 0.75rem;
}

/* 無料コンテンツ用スライダー機能 */
#free-courses-slider {
    scroll-behavior: smooth;
}

/* スライダーナビゲーション */
.ailife-slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(229, 231, 235, 0.8);
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.ailife-slider-nav:hover {
    background: rgba(243, 244, 246, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.ailife-slider-prev {
    left: -24px;
}

.ailife-slider-next {
    right: -24px;
}


/* Tutor LMSのスタイルをカスタマイズ */

/* コースページスタイル */
.ailife-course-page,
.single-courses {
    background: #f8fafc;
    min-height: 100vh;
}

.ailife-course-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* メインコンテンツレイアウト */
.ailife-course-main {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 3rem;
    margin-top: 2rem;
}

/* コースサムネイル */
.single-courses .ailife-course-thumbnail {
    position: relative;
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 2rem;
    height: auto;
    width: 100%;
}

.single-courses .ailife-course-thumbnail img {
    width: 100%;
    height: auto;
    display: block;
}

/* コース詳細 */
.ailife-course-details {
    margin-top: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

/* カリキュラム */
.ailife-curriculum {
    margin-top: 2rem;
}

.ailife-topic-accordion {
    border: 1px solid #e5e7eb;
    border-radius: 0.75rem;
    margin-bottom: 1rem;
    overflow: hidden;
    background: white;
}

.ailife-topic-header {
    background: #f8fafc;
    padding: 1.25rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: #333333;
    border-bottom: 1px solid #e5e7eb;
    transition: background-color 0.2s ease;
}

.ailife-topic-header:hover {
    background: #f1f5f9;
}

.ailife-topic-title {
    font-size: 1rem;
    font-weight: 600;
}

.ailife-toggle-icon {
    color: #6b7280;
    font-size: 1.25rem;
    transition: transform 0.2s ease;
}

.ailife-topic-content {
    display: none;
    padding: 0;
}

.ailife-topic-content.active {
    display: block;
}

.ailife-lesson-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #f1f5f9;
    transition: background-color 0.2s ease;
}



.ailife-lesson-item:last-child {
    border-bottom: none;
}

.ailife-lesson-item:hover {
    background: #f8fafc;
}

.ailife-lesson-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.ailife-lesson-icon {
    color: #6b7280;
    font-size: 1rem;
}

.ailife-lesson-title {
    color: #333333;
    font-weight: 500;
    font-size: 0.875rem;
}

.ailife-lesson-lock {
    color: #9ca3af;
    font-size: 1rem;
}

.ailife-lesson-duration {
    color: #6b7280;
    font-size: 0.875rem;
}

/* コースサイドバー */
.single-courses .ailife-course-sidebar {
    position: sticky;
    top: 2rem;
    height: fit-content;
}

.single-courses .ailife-sidebar-card {
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.single-courses .ailife-sidebar-card-body {
    padding: 2rem;
}

.ailife-course-stats {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e5e7eb;
}

.ailife-stat-item {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: #6b7280;
    font-size: 0.875rem;
}

.ailife-stat-icon {
    margin-right: 0.75rem;
    color: #333333;
}

.ailife-course-main {
    padding: 0;
}

/* コースヘッダーセクション */
.ailife-course-header {
    background: linear-gradient(135deg, #1847C7 0%, #1338A8 100%);
    color: white;
    padding: 2rem 0 3rem 0;
    position: relative;
}

.ailife-course-header-bg {
    background: rgba(0, 0, 0, 0.1);
}

/* パンくずナビ */
.ailife-breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.875rem;
    opacity: 0.8;
}

.ailife-breadcrumb a {
    color: white;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.ailife-breadcrumb a:hover {
    opacity: 0.8;
}

.ailife-breadcrumb span {
    margin: 0 0.5rem;
}

/* コースヘッダーコンテンツ */
.ailife-course-header-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.ailife-course-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: white;
}

.ailife-course-rating-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.ailife-rating {
    display: flex;
    gap: 0.25rem;
}

.ailife-star {
    color: #fbbf24;
    font-size: 1.25rem;
}

.ailife-star.filled {
    color: #f59e0b;
}

.ailife-last-updated {
    font-size: 0.875rem;
    opacity: 0.8;
}


.ailife-course-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.ailife-detail-icon {
    font-size: 1rem;
}

/* コースサイドバー */


.ailife-course-thumbnail {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.ailife-course-thumbnail img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.ailife-price-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.ailife-free-badge {
    background: #f97316;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.ailife-paid-badge {
    background: #f59e0b;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.ailife-enrollment-section {
    padding: 1.5rem;
}

.ailife-enroll-button,
.ailife-continue-button {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: block;
    text-align: center;
    margin-bottom: 1rem;
}

.ailife-free-course {
    color: white;
}

.ailife-free-course:hover {
    transform: translateY(-1px);
}

.ailife-paid-course {
    background: #f59e0b;
    color: white;
}

.ailife-paid-course:hover {
    background: #d97706;
    transform: translateY(-1px);
}

.ailife-continue-button {
    background: #1847C7;
    color: white;
}

.ailife-continue-button:hover {
    background: #1338A8;
    transform: translateY(-1px);
}

.ailife-course-meta-info {
    border-top: 1px solid #e5e7eb;
    padding-top: 1rem;
}

.ailife-course-meta-info p {
    margin: 0 0 1rem 0;
    color: #6b7280;
    text-align: center;
}

.ailife-course-validity {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: #333333;
    font-size: 0.875rem;
}

.ailife-validity-icon {
    font-size: 1rem;
}

.ailife-share-section {
    text-align: center;
}

.ailife-share-button {
    background: none;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    color: #333333;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.ailife-share-button:hover {
    background: #f3f4f6;
    border-color: #9ca3af;
}

.ailife-share-icon {
    font-size: 1rem;
}

/* コンテンツセクション */
.ailife-course-content{
    padding: 10px;
}
.ailife-course-content-section {
    padding: 3rem 0;
}

.ailife-course-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.ailife-course-main-content {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* タブナビゲーション */
.ailife-course-tabs {
    display: flex;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 2rem;
}

.ailife-course-tabs .ailife-tab-button {
    background: none;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.ailife-course-tabs .ailife-tab-button.active,
.ailife-course-tabs .ailife-tab-button:hover {
    color: #1847C7;
    border-bottom-color: #1847C7;
}

.ailife-tab-content {
    display: none;
}

.ailife-tab-content.active {
    display: block;
}

/* コース説明 */
.ailife-course-description h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #333333;
}

/* YouTube埋め込みブロック */
.wp-block-embed-youtube {
    margin: 1.5rem 0;
}

.wp-block-embed-youtube .wp-block-embed__wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9アスペクト比 */
    height: 0;
    overflow: hidden;
    border-radius: 0.5rem;
    cursor: pointer;
    background: #000;
}

.wp-block-embed-youtube .wp-block-embed__wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.wp-block-embed-youtube .wp-block-embed__wrapper a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    background: #000;
    border-radius: 0.5rem;
    color: transparent;
    overflow: hidden;
}

.wp-block-embed-youtube .wp-block-embed__wrapper a:hover {
    opacity: 0.95;
}

.ailife-course-excerpt {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* カリキュラム */
.ailife-course-curriculum {
    margin-top: 2rem;
}

.ailife-curriculum-topic {
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    overflow: hidden;
}

.ailife-topic-header {
    background: #f9fafb;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.ailife-topic-header:hover {
    background: #f3f4f6;
}

.ailife-topic-header h4 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: #333333;
}

.ailife-topic-toggle {
    font-size: 1.25rem;
    color: #6b7280;
}

.ailife-topic-lessons {
    background: white;
}

.ailife-lesson-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #f3f4f6;
    transition: background-color 0.2s ease;
}

.ailife-lesson-item:last-child {
    border-bottom: none;
}

.ailife-lesson-item:hover {
    background: #f9fafb;
}

.ailife-lesson-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
}

.ailife-lesson-title {
    flex: 1;
    color: #333333;
    font-weight: 500;
}

.ailife-lesson-lock {
    color: #9ca3af;
    font-size: 1rem;
}

/* レビューセクション */
.ailife-course-reviews {
    margin-top: 1rem;
}

.ailife-review-item {
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.ailife-review-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.ailife-review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.ailife-reviewer-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.ailife-reviewer-avatar {
    border-radius: 50%;
}

.ailife-reviewer-details h5 {
    margin: 0 0 0.25rem 0;
    font-weight: 600;
    color: #333333;
}

.ailife-review-rating {
    display: flex;
    gap: 0.125rem;
}

.ailife-review-date {
    font-size: 0.875rem;
    color: #6b7280;
}

.ailife-review-content {
    color: #4b5563;
    line-height: 1.6;
}

.ailife-no-reviews {
    text-align: center;
    padding: 3rem;
    color: #6b7280;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .ailife-course-header-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .ailife-course-info h1 {
        font-size: 2rem;
    }
    
    .ailife-course-details {
        flex-direction: column;
        gap: 1rem;
    }
    
    .ailife-course-detail-item {
        justify-content: center;
    }
    
    /* スマホ表示でのレイアウト順序変更 */
    .ailife-course-main {
        display: flex;
        flex-direction: column;
    }
    
    .ailife-course-content-area {
        order: 1; /* サムネイル・コース内容を最初に */
    }
    
    .ailife-course-sidebar {
        order: 2; /* サイドバーを後に */
        position: static;
        margin-top: 2rem;
    }
    
    /* 折りたたみボタンを表示 */
    .ailife-toggle-button {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* デフォルトで折りたたまれた状態 */
    .ailife-collapsible-content {
        max-height: 0;
        padding: 0;
        margin: 0;
        opacity: 0;
    }
    
    /* 展開された状態 */
    .ailife-collapsible-content.expanded {
        max-height: none;
        padding: 1rem 0;
        opacity: 1;
    }
    
    /* ヘッダーをクリッカブルに */
    .ailife-course-content-header {
        border-bottom: 1px solid #e5e7eb;
        margin-bottom: 0;
    }
    
    .ailife-course-tabs {
        flex-direction: column;
    }
    
    .ailife-course-tabs .ailife-tab-button {
        text-align: center;
        border-bottom: 1px solid #e5e7eb;
        border-radius: 0;
    }
    
    .ailife-course-tabs .ailife-tab-button.active {
        background: #f3f4f6;
    }
    
    .ailife-reviewer-info {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    /* コースページレスポンシブ */
    .ailife-course-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .ailife-course-sidebar {
        position: static;
    }
    
    .ailife-course-container {
        padding: 0 1rem;
    }
    
    /* コースタイトルは18pxで統一（モバイルでも同じサイズ） */
    
    .ailife-course-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* コースページ専用レスポンシブ */
@media (max-width: 1024px) {
    .ailife-course-main {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .ailife-course-sidebar {
        position: static;
    }
}

/* トップページコースカード追加スタイル */
.ailife-course-duration-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #64748b;
}

.ailife-icon-duration::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%23333333" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12,6 12,12 16,14"/></svg>') no-repeat center;
    margin-right: 0.25rem;
    margin-top: 0.25rem;
}

/* コースメタの色を統一 */
.ailife-course-category,
.ailife-course-level,
.ailife-course-students {
    color: #64748b;
}

/* メタ情報の横並び表示 */
.ailife-course-meta-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}


/* トップページ レスポンシブ対応 */
@media (max-width: 768px) {
    .ailife-container {
        padding: 0 1rem;
    }
    
    .ailife-hero-text h1 {
        font-size: 2rem;
    }
    
    .ailife-hero-text p {
        font-size: 1rem;
    }
    
    .ailife-section-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    /* H2タグのフォントサイズをスマホで1.5remに調整 */
    .ailife-section-header h2 {
        font-size: 1.5rem;
    }
    
    .ailife-categories-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .ailife-course-card {
        flex: 0 0 280px;
    }
    
    .ailife-slider-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .ailife-hero-section {
        height: 25vh;
        min-height: 300px;
    }
    
    /* ヒーロー画像をスマホで横幅に収める */
    .ailife-hero-image {
        width: 100%;
        height: auto;
        object-fit: contain;
        max-height: 50vh;
    }
    
    /* スマホでのロゴサイズ調整 */
    .ailife-hero-logo {
        max-width: 250px;
    }
    
    .ailife-hero-text {
        padding: 1rem;
    }
    
    .ailife-hero-text h1 {
        font-size: 1.75rem;
    }
    
    .ailife-categories-section,
    .ailife-ranking-section {
        padding: 2rem 0;
    }
    
    .ailife-course-card {
        flex: 0 0 250px;
    }
    
    .ailife-tags-container {
        justify-content: center;
    }
    
    .ailife-tag-button {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }

    .ailife-course-sidebar{
        margin-top: 0px;
    }
}