/*
Theme Name: Kikuo Theme
Theme URI: https://kikuo.net
Author: Kikuo Site Development Team
Author URI: https://kikuo.net
Description: 小浜島発 イノー通信 つちだきくお専用テーマ
Version: 1.0.0
License: MIT
Text Domain: kikuo-theme
*/

/* ベースリセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background-color: #f8f9fa;
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ヘッダー */
.site-header {
    background: transparent;
    padding: 0;
    margin: 0;
    margin-bottom: 20px;
}

.site-title {
    display: none;
}

.site-description {
    display: none;
}


/* ナビゲーション */
.main-navigation {
    background: transparent;
    backdrop-filter: none;
    box-shadow: none;
    margin-bottom: 30px;
    margin-top: 0;
    border-top: none; /* 境界線を削除 */
}

.main-navigation ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.main-navigation li {
    margin: 0;
    position: relative;
}

.main-navigation a {
    display: block;
    padding: 15px 20px;
    color: #555;
    text-decoration: none;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.95rem;
}

.main-navigation a:hover {
    background-color: rgba(142, 238, 231, 0.15);
    color: #00a99d;
    transform: translateY(-1px);
}

/* 現在のページをハイライト */
.main-navigation .current-menu-item a,
.main-navigation .current_page_item a {
    color: #00a99d;
    background-color: rgba(142, 238, 231, 0.1);
    font-weight: 600;
}

/* モバイルメニュー - ハンバーガーボタン */
body .mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 15px;
    left: 15px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 5px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.mobile-menu-toggle span {
    display: block;
    position: absolute;
    height: 2px;
    width: 22px;
    background: #333;
    border-radius: 2px;
    opacity: 1;
    left: 50%;
    transform: translateX(-50%) rotate(0deg);
    transition: all 0.25s ease-in-out;
}

.mobile-menu-toggle span:nth-child(1) {
    top: 10px;
}

.mobile-menu-toggle span:nth-child(2) {
    top: 19px;
}

.mobile-menu-toggle span:nth-child(3) {
    top: 28px;
}

/* ハンバーガーボタン - アクティブ状態（×に変形） */
.mobile-menu-toggle.active span:nth-child(1) {
    top: 19px;
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-50%) scale(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    top: 19px;
    transform: translateX(-50%) rotate(-45deg);
}

/* オーバーレイ */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    .mobile-menu-toggle {
        background: rgba(40, 50, 70, 0.95);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
        border: 1px solid rgba(176, 224, 230, 0.3);
    }
    
    .mobile-menu-toggle span {
        background: #E0FFFF;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(60, 70, 90, 0.95);
        transform: scale(1.05);
    }
}

/* モバイルデバイス判定 - User Agentベース */
.is-mobile-device .mobile-menu-toggle {
    display: block !important;
}

.is-mobile-device .main-navigation {
    position: fixed;
    top: 0;
    left: -280px;
    width: 280px;
    height: 100%;
    background: white;
    z-index: 999;
    transition: left 0.3s ease;
    overflow-y: auto;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.is-mobile-device .main-navigation.active {
    left: 0;
}

.is-mobile-device .main-navigation ul {
    flex-direction: column;
    padding: 70px 0 20px;
}

.is-mobile-device .main-navigation li {
    width: 100%;
    border-bottom: 1px solid #f0f0f0;
}

.is-mobile-device .main-navigation a {
    padding: 18px 25px;
    font-size: 1.1rem;
    border-radius: 0;
}

/* モバイル対応 - 通常のメディアクエリも保持 */
@media screen and (max-width: 768px) {
    /* ハンバーガーボタンを表示 */
    body .mobile-menu-toggle {
        display: block !important;
    }
    
    /* ナビゲーションをスライドメニューに */
    .main-navigation {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100%;
        background: white;
        z-index: 999;
        transition: left 0.3s ease;
        overflow-y: auto;
        box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    }
    
    .main-navigation.active {
        left: 0;
    }
    
    .main-navigation .container {
        padding: 20px 0;
        max-width: 100%;
    }
    
    .main-navigation ul {
        flex-direction: column;
        padding: 0;
        margin: 0;
    }
    
    .main-navigation li {
        width: 100%;
        text-align: left;
        border-bottom: 1px solid rgba(200, 200, 200, 0.1);
    }
    
    .main-navigation li:first-child {
        margin-top: 45px; /* ハンバーガーボタンの高さ分下げる */
    }
    
    .main-navigation li:last-child {
        border-bottom: none;
    }
    
    .main-navigation a {
        padding: 18px 25px;
        display: block;
        transition: all 0.3s ease;
        font-size: 1rem;
        color: #333;
    }
    
    .main-navigation a:hover {
        background-color: rgba(142, 238, 231, 0.15);
        padding-left: 35px;
        color: #00a99d;
    }
    
    /* 現在のページをハイライト（モバイル） */
    .main-navigation .current-menu-item a,
    .main-navigation .current_page_item a {
        background-color: rgba(142, 238, 231, 0.1);
        border-left: 3px solid #00a99d;
        padding-left: 22px;
    }
    
    /* ダークモード時のスライドメニュー */
    @media (prefers-color-scheme: dark) {
        .main-navigation {
            background: #0a0e27;
            border-right: 1px solid rgba(176, 224, 230, 0.2);
        }
        
        .main-navigation a {
            color: #e0e0e0;
        }
        
        .main-navigation a:hover {
            background-color: rgba(176, 224, 230, 0.15);
            color: #B0E0E6;
        }
        
        .main-navigation .current-menu-item a,
        .main-navigation .current_page_item a {
            background-color: rgba(176, 224, 230, 0.1);
            border-left-color: #48CAE4;
        }
    }
}

/* メインコンテンツ */
.site-main {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

/* モバイルでのメインコンテンツ調整 */
@media (max-width: 768px) {
    .site-main {
        padding: 20px;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .site-main {
        padding: 15px;
        border-radius: 8px;
        margin-bottom: 20px;
    }
}

/* ダークモード時は背景を上書き */
@media (prefers-color-scheme: dark) {
    .site-main {
        background: rgba(20, 30, 50, 0.95) !important;
        box-shadow: 0 2px 10px rgba(0,0,0,0.3) !important;
    }
}

/* 記事リスト */
.diary-entry {
    padding: 30px 0;
    border-bottom: 1px solid #eee;
}

.diary-entry:last-child {
    border-bottom: none;
}

.entry-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #333;
}

.entry-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.entry-title a:hover {
    color: #667eea;
}

.entry-meta {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.entry-content {
    line-height: 1.8;
}

.entry-thumbnail {
    margin: 20px 0;
    text-align: center;
}

.entry-thumbnail img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* フッター */
.site-footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 30px 0;
    margin-top: 60px;
}

/* 土田さん専用投稿フォーム（シニア向け大きめUI） */
.tsuchida-post-form {
    background: #f9f9f9;
    padding: 30px;
    border-radius: 10px;
    max-width: 800px;
    margin: 0 auto;
}

.tsuchida-post-form label {
    display: block;
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.tsuchida-post-form input[type="text"],
.tsuchida-post-form textarea {
    width: 100%;
    padding: 20px;
    font-size: 1.2rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    margin-bottom: 30px;
}

.tsuchida-post-form textarea {
    min-height: 300px;
    resize: vertical;
}

.tsuchida-post-form .submit-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-size: 1.5rem;
    padding: 20px 60px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: transform 0.3s;
}

.tsuchida-post-form .submit-button:hover {
    transform: translateY(-2px);
}

.tsuchida-post-form .submit-button:active {
    transform: translateY(0);
}

/* 画像アップロードエリア */
.image-upload-area {
    border: 3px dashed #667eea;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    margin-bottom: 30px;
    background: white;
}

/* ダークモード時は背景を上書き */
@media (prefers-color-scheme: dark) {
    .image-upload-area {
        background: rgba(20, 30, 50, 0.95) !important;
        border-color: rgba(176, 224, 230, 0.3) !important;
    }
}

.image-upload-area.dragover {
    background: #f0f4ff;
    border-color: #764ba2;
}

.upload-button {
    background: #667eea;
    color: white;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    cursor: pointer;
    display: inline-block;
    margin-top: 20px;
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0a0e27 !important;
        color: #e0e0e0 !important;
    }
    
    /* ナビゲーション - ダークモード時は完全透明 */
    .main-navigation {
        background: transparent !important;
        backdrop-filter: none !important;
        border-top: none !important;
        box-shadow: none !important;
    }
    
    .main-navigation a {
        color: #B0E0E6 !important;
    }
    
    .main-navigation a:hover {
        background-color: rgba(176, 224, 230, 0.15) !important;
        color: #E0FFFF !important;
    }
    
    .main-navigation .current-menu-item a,
    .main-navigation .current_page_item a {
        color: #E0FFFF !important;
        background-color: rgba(176, 224, 230, 0.15) !important;
    }
    
    /* メインコンテンツ */
    .site-main {
        background: rgba(0, 0, 0, 0.4) !important;
        border: 1px solid rgba(176, 224, 230, 0.1) !important;
    }
    
    /* フッター */
    .site-footer {
        background: linear-gradient(135deg, #0a0e27 0%, #151b3d 30%, #0f1837 60%, #0a0e27 100%) !important;
        border-top: none !important; /* ダークモード時は境界線なし */
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .site-title {
        font-size: 1.8rem;
    }
    
    .site-main {
        padding: 20px;
    }
    
    .entry-title {
        font-size: 1.4rem;
    }
    
    .tsuchida-post-form {
        padding: 20px;
    }
    
    .tsuchida-post-form input[type="text"],
    .tsuchida-post-form textarea {
        padding: 15px;
        font-size: 1.1rem;
    }
    
    .tsuchida-post-form .submit-button {
        width: 100%;
        padding: 20px;
    }