/* 勘違い女あるある勘違い男あるある - メインスタイル */

:root {
    --primary-pink: #ff6b9d;
    --primary-blue: #4a90e2;
    --secondary-pink: #ffb3d1;
    --secondary-blue: #a8d0f0;
    --accent-purple: #b19cd9;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-light: #fef7f7;
    --bg-white: #ffffff;
    --shadow: rgba(255, 107, 157, 0.15);
    --shadow-hover: rgba(255, 107, 157, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', 'MS PGothic', sans-serif;
    color: var(--text-dark);
    background: linear-gradient(135deg, #fff5f8 0%, #f0f8ff 100%);
    line-height: 1.8;
    min-height: 100vh;
}

/* ヘッダー */
.site-header {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    padding: 1.5rem 0;
    box-shadow: 0 4px 20px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.site-logo {
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
    transition: transform 0.3s ease;
}

.site-logo:hover {
    transform: scale(1.05);
}

.site-logo::before {
    content: '💕';
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* メインコンテンツ */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* ヒーローセクション */
.hero-section {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(74, 144, 226, 0.1) 100%);
    border-radius: 30px;
    margin-bottom: 4rem;
    box-shadow: 0 10px 40px var(--shadow);
}

.hero-title {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* 記事カード */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.article-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 5px 20px var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.article-category {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.article-category.girl {
    background: linear-gradient(135deg, var(--secondary-pink) 0%, var(--primary-pink) 100%);
    color: white;
}

.article-category.men {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: white;
}

.article-category.general {
    background: linear-gradient(135deg, var(--accent-purple) 0%, #9b7bc7 100%);
    color: white;
}

.article-title {
    font-size: 1.3rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.5;
}

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

.article-title a:hover {
    color: var(--primary-pink);
}

.article-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* フィルター・検索 */
.filter-section {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 5px 20px var(--shadow);
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.7rem 1.5rem;
    border: 2px solid var(--primary-pink);
    background: white;
    color: var(--primary-pink);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.filter-tab:hover,
.filter-tab.active {
    background: var(--primary-pink);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--shadow);
}

.search-box {
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--secondary-pink);
    border-radius: 25px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 3px var(--shadow);
}

.search-box::before {
    content: '🔍';
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

/* 記事ページ */
.article-page {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 40px var(--shadow);
    margin-bottom: 3rem;
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 3px solid var(--bg-light);
}

.article-page-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    line-height: 1.4;
    color: var(--text-dark);
}

.article-content {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-dark);
}

.article-content h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1.5rem;
    padding-left: 1rem;
    border-left: 5px solid var(--primary-pink);
    color: var(--text-dark);
}

.article-content h3 {
    font-size: 1.4rem;
    margin: 2rem 0 1rem;
    color: var(--text-dark);
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    margin: 2rem 0;
    box-shadow: 0 5px 20px var(--shadow);
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    box-shadow: 0 3px 15px var(--shadow);
    border-radius: 10px;
    overflow: hidden;
}

.article-content table th,
.article-content table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--bg-light);
}

.article-content table th {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    color: white;
    font-weight: bold;
}

.article-content table tr:hover {
    background: var(--bg-light);
}

/* パネル */
.info-panel {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(74, 144, 226, 0.1) 100%);
    border-left: 5px solid var(--primary-pink);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.info-panel-title {
    font-weight: bold;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.info-panel ul {
    list-style: none;
    padding-left: 0;
}

.info-panel li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.info-panel li::before {
    content: '✨';
    position: absolute;
    left: 0;
}

/* フッター */
.site-footer {
    background: linear-gradient(135deg, var(--text-dark) 0%, #1a252f 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-pink);
}

/* ボタン */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px var(--shadow-hover);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        margin-top: 1rem;
    }

    .nav-menu.active {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .article-page {
        padding: 2rem 1.5rem;
    }

    .article-page-title {
        font-size: 1.8rem;
    }

    .main-container {
        padding: 2rem 1rem;
    }
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* スクロールバー */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--primary-blue) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-pink) 100%);
}