/*
Theme Name: Company Site Theme
Theme URI: https://example.com
Author: Your Name
Author URI: https://example.com
Description: モダンで美しい会社サイト用のWordPressテーマです。レスポンシブデザインに対応しています。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: company-site
*/

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

/* ヘッダー */
.site-header {
    background-color: #2c3e50;
    color: #fff;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
}

.site-title a {
    color: #fff;
    text-decoration: none;
}

/* ナビゲーション */
.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.main-navigation a:hover {
    color: #3498db;
}

/* メインコンテンツ */
.site-main {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* ヒーローセクション */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    padding: 5rem 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-section p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
    font-weight: 600;
}

.btn:hover {
    background-color: #2980b9;
}

/* セクション */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2c3e50;
}

/* サービスグリッド */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* 投稿・ページ */
.entry-header {
    margin-bottom: 2rem;
}

.entry-title {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

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

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

.entry-content h2 {
    color: #2c3e50;
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.entry-content h3 {
    color: #34495e;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* フッター */
.site-footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-widget h3 {
    margin-bottom: 1rem;
    color: #3498db;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget a {
    color: #ecf0f1;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-widget a:hover {
    color: #3498db;
}

.copyright {
    border-top: 1px solid #34495e;
    padding-top: 1rem;
    margin-top: 2rem;
}

/* 投稿サムネイル */
.post-thumbnail {
    margin-bottom: 1.5rem;
}

.post-thumbnail img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* ページネーション */
.pagination {
    margin-top: 3rem;
    text-align: center;
}

.pagination .nav-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.pagination a,
.pagination span {
    padding: 8px 16px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

.pagination .current {
    background-color: #2c3e50;
}

/* 投稿ナビゲーション */
.post-navigation {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
}

.post-navigation .nav-links {
    display: flex;
    justify-content: space-between;
}

.post-navigation a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.post-navigation a:hover {
    text-decoration: underline;
}

/* エントリーメタ */
.entry-meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.entry-meta span {
    margin-right: 1rem;
}

/* エントリーフッター */
.entry-footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 検索フォーム */
.search-form {
    margin: 2rem 0;
}

.search-form input[type="search"] {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 70%;
    margin-right: 10px;
}

.search-form input[type="submit"] {
    padding: 10px 20px;
    background-color: #3498db;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.search-form input[type="submit"]:hover {
    background-color: #2980b9;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .main-navigation ul {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section p {
        font-size: 1.1rem;
    }

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

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

    .post-navigation .nav-links {
        flex-direction: column;
        gap: 1rem;
    }

    .search-form input[type="search"] {
        width: 100%;
        margin-bottom: 10px;
    }
}