/* サイドバーデザイン - WordPress標準サイドバー対応版 */

/* 基本変数 */
:root {
    --sidebar-primary: #A9976D;
    --sidebar-secondary: #F5F5DC;
    --sidebar-accent: #D4AF37;
    --sidebar-text: #333;
    --sidebar-light-text: #666;
    --sidebar-border: #E8E8E8;
    --sidebar-shadow: 0 5px 20px rgba(0,0,0,0.1);
    --sidebar-hover-shadow: 0 10px 30px rgba(0,0,0,0.15);
    --sidebar-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --sidebar-radius: 15px;
}

/* サイドバー全体 */
.sidebar {
    padding-left: 30px;
}

/* サイドバー内のULを各ウィジェット単位として扱う */
.sidebar #sidebar > ul {
    list-style: none;
    margin: 0 0 30px 0;
    padding: 0;
    background: linear-gradient(145deg, #ffffff, #f8f8f8);
    border-radius: var(--sidebar-radius);
    /* box-shadow: var(--sidebar-shadow); */
    position: relative;
    overflow: hidden;
    transition: var(--sidebar-transition);
}

.sidebar ul::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sidebar-primary), var(--sidebar-accent));
    opacity: 0;
    transition: var(--sidebar-transition);
}

.sidebar ul:hover::before {
    opacity: 1;
}

.sidebar ul:hover {
    transform: translateY(-3px);
    box-shadow: var(--sidebar-hover-shadow);
}

/* ウィジェット内の項目 */
.sidebar li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid rgba(232, 232, 232, 0.5);
}

.sidebar li:last-child {
    border-bottom: none;
}

/* ヘッダー（h2要素） */
.sidebar h2 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    padding: 25px 30px 20px;
    color: var(--sidebar-text);
    position: relative;
    border-bottom: 2px solid var(--sidebar-border);
    background: rgba(249, 248, 245, 0.3);
}

.sidebar h2::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 30px;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--sidebar-primary), var(--sidebar-accent));
    transition: var(--sidebar-transition);
}

.sidebar ul:hover h2::after {
    width: 60px;
}

/* 検索フォーム */
.sidebar .search-form {
    padding: 30px;
    background: linear-gradient(135deg, var(--sidebar-secondary) 0%, #f0f0f0 100%);
    border-radius: var(--sidebar-radius);
    margin-bottom: 0px;
    box-shadow: var(--sidebar-shadow);
    transition: var(--sidebar-transition);
}

.sidebar .search-form:hover {
    transform: translateY(-3px);
    box-shadow: var(--sidebar-hover-shadow);
}

.sidebar .search-form label {
    display: flex;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.1);
    background: white;
}

.sidebar .search-field {
    flex: 1;
    padding: 15px 20px;
    border: none;
    background: transparent;
    font-size: 0.95rem;
    color: var(--sidebar-text);
    outline: none;
}

.sidebar .search-field::placeholder {
    color: #999;
    font-style: italic;
}

.sidebar .search-submit {
    background: linear-gradient(135deg, var(--sidebar-primary), var(--sidebar-accent));
    color: white;
    border: none;
    padding: 15px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--sidebar-transition);
}

.sidebar .search-submit:hover {
    background: linear-gradient(135deg, var(--sidebar-accent), var(--sidebar-primary));
    transform: scale(1.05);
}

/* ページナビゲーション・カテゴリーリスト */
.sidebar .pagenav ul,
.sidebar .categories ul {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    margin: 0;
    padding: 0 30px 25px;
}

.sidebar .pagenav ul::before,
.sidebar .categories ul::before {
    display: none;
}

.sidebar .pagenav li,
.sidebar .categories li {
    position: relative;
    margin-bottom: 0;
    border-bottom: none;
    border-radius: 8px;
    overflow: hidden;
    transition: var(--sidebar-transition);
    margin: 0 0 8px 0;
}

.sidebar .pagenav li:hover,
.sidebar .categories li:hover {
    background: rgba(169, 151, 109, 0.05);
    transform: translateX(5px);
}

.sidebar .pagenav a,
.sidebar .categories a {
    color: var(--sidebar-text);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    transition: var(--sidebar-transition);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
}

.sidebar .pagenav a::before,
.sidebar .categories a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--sidebar-primary), var(--sidebar-accent));
    transform: scaleY(0);
    transition: var(--sidebar-transition);
}

.sidebar .pagenav a:hover::before,
.sidebar .categories a:hover::before {
    transform: scaleY(1);
}

.sidebar .pagenav a:hover,
.sidebar .categories a:hover {
    color: var(--sidebar-primary);
    padding-left: 25px;
}

/* アーカイブセクション */
.sidebar ul[role="navigation"] {
    padding: 0;
}

.sidebar ul[role="navigation"] > li {
    background: white;
    border-radius: var(--sidebar-radius);
    box-shadow: 0 5px 6px rgba(0, 0, 0, 0.05);
    margin-bottom: 2em;
    transition: var(--sidebar-transition);
    overflow: hidden;
    position: relative;
}

.sidebar ul[role="navigation"] > li::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sidebar-primary), var(--sidebar-accent));
    opacity: 0;
    transition: var(--sidebar-transition);
}

.sidebar ul[role="navigation"] > li:hover::before {
    opacity: 1;
}

.sidebar ul[role="navigation"] > li:hover {
    transform: translateY(-3px);
    box-shadow: var(--sidebar-hover-shadow);
}

.sidebar ul[role="navigation"] > li > h2 {
    background: rgba(249, 248, 245, 0.5);
}

/* アーカイブリンクのスタイル */
.sidebar ul[role="navigation"] ul {
    background: transparent;
    box-shadow: none;
    padding: 0 30px 25px;
}

.sidebar ul[role="navigation"] ul li {
    margin: 0 0 8px 0;
    background: transparent;
    border-radius: 8px;
    box-shadow: none;
}

.sidebar ul[role="navigation"] ul li:hover {
    background: rgba(169, 151, 109, 0.05);
    transform: translateX(5px);
}

.sidebar ul[role="navigation"] ul a {
    padding: 12px 15px;
    color: var(--sidebar-text);
    text-decoration: none;
    display: block;
    transition: var(--sidebar-transition);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.sidebar ul[role="navigation"] ul a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--sidebar-primary), var(--sidebar-accent));
    transform: scaleY(0);
    transition: var(--sidebar-transition);
}

.sidebar ul[role="navigation"] ul a:hover::before {
    transform: scaleY(1);
}

.sidebar ul[role="navigation"] ul a:hover {
    color: var(--sidebar-primary);
    padding-left: 25px;
}

/* 数値カウント表示（カテゴリー数など） */
.sidebar .cat-item a::after {
    content: '';
    margin-left: auto;
}

/* カテゴリー数をバッジ風に */
.sidebar .cat-item {
    position: relative;
}

/* レスポンシブ対応 */
@media screen and (max-width: 64em) {
    .sidebar {
        padding-left: 0;
        margin-top: 50px;
    }
    
    .sidebar ul {
        margin-bottom: 25px;
    }
}

@media screen and (max-width: 39.9375em) {
    .sidebar h2 {
        font-size: 1.2rem;
        padding: 20px 25px 15px;
    }
    
    .sidebar .search-form {
        padding: 25px 20px;
    }
    
    .sidebar .search-field,
    .sidebar .search-submit {
        padding: 12px 15px;
    }
    
    .sidebar .pagenav a,
    .sidebar .categories a,
    .sidebar ul[role="navigation"] ul a {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
}

/* アニメーション効果 */
.sidebar ul {
    animation: fadeInUp 0.6s ease-out;
}

.sidebar ul:nth-child(1) { animation-delay: 0.1s; }
.sidebar ul:nth-child(2) { animation-delay: 0.2s; }
.sidebar ul:nth-child(3) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ホバー時の追加効果 */
.sidebar ul:hover h2 {
    color: var(--sidebar-primary);
}

/* アクセシビリティ向上 */
.sidebar ul:focus-within {
    outline: 2px solid var(--sidebar-primary);
    outline-offset: 2px;
}

.sidebar a:focus {
    outline: 2px solid var(--sidebar-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* 追加のビジュアル効果 */
.sidebar ul::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 6px;
    height: 6px;
    background: linear-gradient(135deg, var(--sidebar-primary), var(--sidebar-accent));
    border-radius: 50%;
    opacity: 0;
    transition: var(--sidebar-transition);
}

.sidebar ul:hover::after {
    opacity: 0.7;
    transform: scale(1.5);
}