/**
 * Base CSS for DGF Theme
 */

/* CSS Variables */
:root {
    /* --dgf-container-width は theme-settings-output.php で動的に設定されます */
    --dgf-container-padding: 1rem;
    --dgf-font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --dgf-transition: all 0.3s ease;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* 完全なリセット */
html, body {
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden;
}

body {
    font-family: var(--dgf-font-family);
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden; /* 横スクロールを防ぐ */
}

/* Container */
.dgf-container {
    max-width: var(--dgf-container-width, 1200px);
    margin: 0 auto;
    padding: 0 var(--dgf-container-padding, 1rem);
    width: 100%;
}

/* Main Content */
.dgf-main-content {
    min-height: 50vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p {
    margin: 0 0 1rem;
}

a {
    color: var(--dgf-link-color, #0073aa);
    text-decoration: none;
    transition: var(--dgf-transition);
}

a:hover {
    color: var(--dgf-primary-color, #007cba);
}

/* Buttons */
.dgf-button {
    display: inline-block;
    padding: var(--dgf-button-padding-y, 10px) var(--dgf-button-padding-x, 20px);
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--dgf-button-radius, 4px);
    cursor: pointer;
    transition: var(--dgf-transition-duration, 0.3s) ease;
    line-height: 1.5;
}

.dgf-button-primary {
    background-color: var(--dgf-primary-color, #007cba);
    color: #ffffff;
    border-color: var(--dgf-primary-color, #007cba);
}

.dgf-button-primary:hover {
    background-color: transparent;
    color: var(--dgf-primary-color, #007cba);
    text-decoration: none;
}

.dgf-button-secondary {
    background-color: var(--dgf-secondary-color, #6c757d);
    color: #ffffff;
    border-color: var(--dgf-secondary-color, #6c757d);
}

.dgf-button-secondary:hover {
    background-color: transparent;
    color: var(--dgf-secondary-color, #6c757d);
    text-decoration: none;
}

.dgf-button-outline {
    background-color: transparent;
    color: var(--dgf-primary-color, #007cba);
    border-color: var(--dgf-primary-color, #007cba);
}

.dgf-button-outline:hover {
    background-color: var(--dgf-primary-color, #007cba);
    color: #ffffff;
    text-decoration: none;
}

/* CTA Buttons (used in front-page) */
.dgf-cta-button {
    display: inline-block;
    padding: 12px 30px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}

.dgf-cta-filled,
.dgf-cta-fill {
    background-color: var(--dgf-primary-color, #007cba);
    color: #ffffff !important;
    border-color: var(--dgf-primary-color, #007cba);
}

.dgf-cta-filled:hover,
.dgf-cta-fill:hover {
    background-color: var(--dgf-secondary-color, #005a87);
    border-color: var(--dgf-secondary-color, #005a87);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.dgf-cta-outline {
    background-color: transparent;
    color: var(--dgf-primary-color, #007cba) !important;
    border-color: currentColor;
}

.dgf-cta-outline:hover {
    background-color: var(--dgf-primary-color, #007cba);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}


/* Header Styles - Removed to prevent conflicts with header.css */

/* Main Content */
.site-content {
    padding: 60px 0;
}

/* トップページのcontent要素はpadding-topを0に */
.site-content-top {
    padding-top: 0;
}

.site-main {
    margin-bottom: 3rem;
}

/* Breadcrumb */
.dgf-breadcrumb {
    margin-bottom: 2rem;
    font-size: 0.875rem;
}

.dgf-breadcrumb ol {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dgf-breadcrumb li::after {
    content: '/';
    margin-left: 0.5rem;
    color: #999;
}

.dgf-breadcrumb li:last-child::after {
    display: none;
}

.dgf-breadcrumb a {
    color: #666;
}

/* Posts Grid */
.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Post Card */
.post-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: var(--dgf-transition);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

.post-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.post-content {
    padding: 1.5rem;
}

.entry-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.entry-meta {
    font-size: 0.875rem;
    color: #666;
    margin-bottom: 1rem;
}

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

.entry-meta i {
    margin-right: 0.25rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--dgf-primary-color, #007cba);
}

.read-more:hover {
    gap: 0.75rem;
}

/* Pagination */
.dgf-pagination {
    margin-top: 3rem;
}

.dgf-pagination .page-numbers {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.dgf-pagination .page-numbers li {
    margin: 0;
}

.dgf-pagination .page-numbers a,
.dgf-pagination .page-numbers span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    font-weight: 500;
}

.dgf-pagination .page-numbers a:hover {
    background-color: var(--dgf-primary-color, #007cba);
    border-color: var(--dgf-primary-color, #007cba);
    color: #fff;
}

.dgf-pagination .page-numbers .current {
    background-color: var(--dgf-primary-color, #007cba);
    border-color: var(--dgf-primary-color, #007cba);
    color: #fff;
}

/* Footer */
.site-footer {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-widgets {
    margin-bottom: 3rem;
}

.footer-widget {
    margin-bottom: 2rem;
}

.footer-widget-title {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.site-info__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-navigation .footer-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 2rem;
}

.footer-navigation a {
    color: #ccc;
}

.footer-navigation a:hover {
    color: #fff;
}

/* Social Links */
.social-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: var(--dgf-transition);
}

.social-links a:hover {
    background-color: var(--dgf-primary-color, #007cba);
}

.copyright {
    font-size: 0.875rem;
    color: #999;
}

/* Utility Classes */
.screen-reader-text {
    position: absolute !important;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    width: 1px;
    height: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    clip: auto !important;
    clip-path: none;
    width: auto;
    height: auto;
    display: block;
    font-weight: 700;
    line-height: normal;
    text-decoration: none;
    background-color: #fff;
    color: #000;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
    padding: 15px 23px 14px;
    left: 5px;
    top: 5px;
    z-index: 100000;
}

/* Responsive */
@media (max-width: 768px) {
    .posts-grid {
        grid-template-columns: 1fr;
    }
    
    .site-info__inner {
        text-align: center;
    }
    
    .footer-navigation .footer-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
}