/*
Theme Name: Syowari
Theme URI: https://syowari.com/
Author: Center Light LLC
Author URI: https://syowari.com/
Description: ショウワリ｜障害者手帳の割引・制度・控除ガイド 専用のWordPressテーマ。アクセシビリティ最重視(WCAG AA準拠)、SEO最適化、収益動線設計済み。片手操作対応、読み上げソフト対応、白基調固定。
Version: 1.2.1
Requires at least: 6.4
Tested up to: 6.4
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: syowari
Tags: blog, news, accessibility-ready, responsive-layout, custom-colors, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready
*/

/* ===========================
   Syowari Theme Main Stylesheet
   v1.0.0 by Center Light LLC
   =========================== */

/* CSS Variables */
:root {
    --color-primary: #1565C0;
    --color-primary-dark: #0D47A1;
    --color-primary-light: #E3F2FD;
    --color-accent: #FF8F00;
    --color-accent-dark: #E65100;
    --color-accent-light: #FFF3E0;
    --color-text: #212121;
    --color-text-sub: #555555;
    --color-text-muted: #757575;
    --color-bg: #FAFAFA;
    --color-bg-white: #FFFFFF;
    --color-border: #E0E0E0;
    --color-success: #2E7D32;
    --color-warning: #F57C00;
    --color-danger: #C62828;
    --font-base: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", Meiryo, sans-serif;
    --container-width: 1100px;
    --content-width: 720px;
    --gap-sm: 0.5rem;
    --gap-md: 1rem;
    --gap-lg: 2rem;
    --gap-xl: 3rem;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08);
    --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-base);
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img, svg, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
    transition: color var(--transition);
}

a:hover, a:focus {
    color: var(--color-primary-dark);
}

a:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

button:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Accessibility - Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-primary);
    color: #fff;
    padding: 1rem 1.5rem;
    z-index: 9999;
    text-decoration: none;
    font-weight: 500;
}

.skip-link:focus {
    top: 0;
    color: #fff;
}

.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    -webkit-clip-path: inset(50%);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: var(--color-bg-white);
    clip: auto !important;
    -webkit-clip-path: none;
    clip-path: none;
    color: var(--color-primary);
    display: block;
    font-size: 1rem;
    font-weight: 500;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 1rem 1.5rem;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.4;
    font-weight: 700;
    color: var(--color-text);
}

h1 { font-size: 1.875rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.5rem; margin: 2.5rem 0 1rem; padding-bottom: 0.5rem; border-bottom: 3px solid var(--color-primary); }
h3 { font-size: 1.25rem; margin: 2rem 0 0.75rem; padding-left: 0.75rem; border-left: 4px solid var(--color-primary); }
h4 { font-size: 1.125rem; margin: 1.5rem 0 0.5rem; }
h5 { font-size: 1rem; margin: 1.25rem 0 0.5rem; }
h6 { font-size: 0.95rem; margin: 1rem 0 0.5rem; }

p {
    margin-bottom: 1.25rem;
}

ul, ol {
    margin: 0 0 1.25rem 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--color-accent-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

code {
    background: #F5F5F5;
    padding: 0.2em 0.4em;
    border-radius: var(--radius-sm);
    font-size: 0.9em;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

pre {
    background: #2D2D2D;
    color: #F5F5F5;
    padding: 1rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.5rem 0;
}

pre code {
    background: none;
    color: inherit;
    padding: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--color-bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

th {
    background: var(--color-primary);
    color: #fff;
    font-weight: 500;
}

tr:last-child td {
    border-bottom: none;
}

/* Header */
.site-header {
    background: var(--color-bg-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    max-width: var(--container-width);
    margin: 0 auto;
    gap: 1rem;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-primary);
}

.site-logo:hover, .site-logo:focus {
    color: var(--color-primary-dark);
    text-decoration: none;
}

.site-logo__icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
}

.site-logo__text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.site-logo__main {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

.site-logo__sub {
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-accent);
    letter-spacing: 0.1em;
}

/* Global Navigation */
.global-nav {
    display: flex;
    align-items: center;
}

.global-nav__list {
    list-style: none;
    display: flex;
    gap: 0;
    margin: 0;
}

.global-nav__list li {
    margin: 0;
}

.global-nav__list a {
    display: block;
    padding: 0.75rem 1rem;
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition), background var(--transition);
    border-radius: var(--radius-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
}

.global-nav__list a:hover, .global-nav__list a:focus {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.global-nav__list .current-menu-item a {
    color: var(--color-primary);
    font-weight: 700;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0;
    align-items: center;
    justify-content: center;
}

.menu-toggle__bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
}

.menu-toggle__bar::before,
.menu-toggle__bar::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-text);
}

.menu-toggle__bar::before { top: -8px; }
.menu-toggle__bar::after { top: 8px; }

/* Main Layout */
.site-main {
    padding: 2rem 0;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 2.5rem;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.content-area {
    min-width: 0;
}

.sidebar {
    min-width: 0;
}

/* Front Page */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    padding: 3rem 1rem;
    margin-bottom: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.hero__title {
    font-size: 2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.hero__lead {
    font-size: 1.125rem;
    line-height: 1.7;
    color: #fff;
    opacity: 0.95;
    max-width: 720px;
    margin: 0 auto;
}

.hero__cta {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.875rem 2rem;
    background: var(--color-accent);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 1rem;
    min-height: 44px;
    transition: background var(--transition), transform var(--transition);
}

.hero__cta:hover, .hero__cta:focus {
    background: var(--color-accent-dark);
    color: #fff;
    transform: translateY(-1px);
    text-decoration: none;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2.5rem 0 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-title__more {
    margin-left: auto;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-primary);
}

/* Category Cards */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.category-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--color-text);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    display: block;
    min-height: 120px;
}

.category-card:hover, .category-card:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
}

.category-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.category-card__desc {
    font-size: 0.875rem;
    color: var(--color-text-sub);
    line-height: 1.6;
    margin: 0;
}

/* Post Cards */
.post-list {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.post-card {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0;
}

.post-card:hover, .post-card:focus-within {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.post-card__thumb {
    background: var(--color-primary-light);
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
}

.post-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-card__thumb--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 2rem;
    font-weight: 700;
}

.post-card__body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.post-card__category {
    display: inline-block;
    font-size: 0.75rem;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    width: fit-content;
    font-weight: 500;
}

.post-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1.5;
    margin: 0;
}

.post-card__title a {
    color: var(--color-text);
    text-decoration: none;
}

.post-card__title a:hover, .post-card__title a:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

.post-card__meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

.post-card__excerpt {
    font-size: 0.875rem;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin: 0;
}

/* Single Post */
.single-article {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.article-category {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    margin-bottom: 1rem;
}

.article-category:hover, .article-category:focus {
    background: var(--color-primary-dark);
    color: #fff;
    text-decoration: none;
}

.article-title {
    font-size: 1.75rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    font-weight: 700;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.article-meta__item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.article-meta__updated {
    color: var(--color-accent-dark);
    font-weight: 500;
}

.article-thumb {
    margin: 0 -2rem 2rem;
}

.article-thumb img {
    width: 100%;
    height: auto;
    display: block;
}

.article-body {
    font-size: 1rem;
    line-height: 1.9;
}

.article-body > *:first-child {
    margin-top: 0;
}

.article-body img {
    margin: 1.5rem auto;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.article-body a {
    color: var(--color-primary);
    word-break: break-word;
}

/* Table of Contents */
.toc {
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0 2rem;
}

.toc__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.toc__toggle {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    min-height: 32px;
    min-width: 60px;
}

.toc__toggle:hover, .toc__toggle:focus {
    background: var(--color-primary);
    color: #fff;
}

.toc__list {
    list-style: none;
    margin: 0;
    padding-left: 0;
    counter-reset: toc-counter;
}

.toc__list ol {
    list-style: none;
    margin: 0.25rem 0 0.25rem 1.25rem;
    padding: 0;
}

.toc__list li {
    margin-bottom: 0.4rem;
    counter-increment: toc-counter;
    position: relative;
    padding-left: 1.75rem;
}

.toc__list > li::before {
    content: counter(toc-counter) ".";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
}

.toc__list ol li::before {
    content: '';
}

.toc__list a {
    text-decoration: none;
    color: var(--color-text);
    display: inline-block;
    padding: 0.15rem 0;
}

.toc__list a:hover, .toc__list a:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Breadcrumb */
.breadcrumb {
    background: transparent;
    padding: 0.75rem 0;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.breadcrumb__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    align-items: center;
}

.breadcrumb__list li {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.breadcrumb__list li::after {
    content: '›';
    margin-left: 0.25rem;
    color: var(--color-text-muted);
}

.breadcrumb__list li:last-child::after {
    content: '';
}

.breadcrumb__list a {
    color: var(--color-primary);
    text-decoration: none;
}

.breadcrumb__list a:hover, .breadcrumb__list a:focus {
    text-decoration: underline;
}

/* Related Posts */
.related-posts {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.related-posts__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.related-posts__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.related-posts__list li {
    margin: 0;
}

.related-posts__item {
    display: block;
    text-decoration: none;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    height: 100%;
}

.related-posts__item:hover, .related-posts__item:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

.related-posts__item-title {
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--color-text);
}

/* Share Buttons */
.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 1.5rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.share-buttons__label {
    font-weight: 500;
    margin-right: 0.5rem;
    align-self: center;
    color: var(--color-text-sub);
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    min-height: 44px;
    transition: background var(--transition);
}

.share-btn:hover, .share-btn:focus {
    background: var(--color-primary-dark);
    color: #fff;
    text-decoration: none;
}

.share-btn--x { background: #000000; }
.share-btn--x:hover, .share-btn--x:focus { background: #333333; color: #fff; }
.share-btn--facebook { background: #1877F2; }
.share-btn--facebook:hover, .share-btn--facebook:focus { background: #0d65d9; color: #fff; }
.share-btn--line { background: #06C755; }
.share-btn--line:hover, .share-btn--line:focus { background: #04a847; color: #fff; }
.share-btn--copy { background: var(--color-text-sub); }
.share-btn--copy:hover, .share-btn--copy:focus { background: var(--color-text); color: #fff; }

/* Author Box */
.author-box {
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin: 2rem 0;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1rem;
    align-items: start;
}

.author-box__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    overflow: hidden;
}

.author-box__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.author-box__name {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--color-primary-dark);
}

.author-box__bio {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-text-sub);
    margin: 0;
}

/* Disclaimer */
.disclaimer {
    background: var(--color-accent-light);
    border-left: 4px solid var(--color-accent);
    padding: 1rem 1.25rem;
    margin: 2rem 0;
    font-size: 0.875rem;
    color: var(--color-text-sub);
    line-height: 1.7;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.disclaimer__title {
    font-weight: 700;
    color: var(--color-accent-dark);
    margin-bottom: 0.25rem;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    margin: 2.5rem 0;
}

.cta-box__title {
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    border: none;
    padding: 0;
}

.cta-box__lead {
    color: #fff;
    opacity: 0.95;
    margin-bottom: 1.25rem;
}

.cta-box__button {
    display: inline-block;
    background: var(--color-accent);
    color: #fff;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    min-height: 44px;
    transition: background var(--transition);
}

.cta-box__button:hover, .cta-box__button:focus {
    background: var(--color-accent-dark);
    color: #fff;
    text-decoration: none;
}

/* Sidebar Widgets */
.widget {
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.widget-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
    color: var(--color-primary-dark);
}

.widget ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.widget li {
    margin-bottom: 0.5rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--color-border);
}

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

.widget a {
    text-decoration: none;
    color: var(--color-text);
    display: block;
}

.widget a:hover, .widget a:focus {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Search Form */
.search-form {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.search-form input[type="search"] {
    flex: 1;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    min-height: 44px;
    font-size: 0.95rem;
}

.search-form input[type="search"]:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 1px;
    border-color: var(--color-primary);
}

.search-form button {
    padding: 0.6rem 1rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-weight: 500;
    min-height: 44px;
    min-width: 60px;
}

.search-form button:hover, .search-form button:focus {
    background: var(--color-primary-dark);
}

/* Sidebar Widget内の検索フォームはコンパクトに(タップ領域は最低限維持) */
.widget .search-form {
    gap: 0.35rem;
}

.widget .search-form input[type="search"] {
    padding: 0.4rem 0.6rem;
    min-height: 38px;
    font-size: 0.875rem;
}

.widget .search-form button {
    padding: 0.4rem 0.75rem;
    min-height: 38px;
    min-width: 48px;
    font-size: 0.875rem;
}

/* Pagination */
.pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin: 2.5rem 0;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.9rem;
    background: var(--color-bg-white);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--radius-sm);
    min-width: 44px;
    min-height: 44px;
    font-weight: 500;
}

.pagination .page-numbers:hover, .pagination .page-numbers:focus {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
    text-decoration: none;
}

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

/* Comments */
.comments-area {
    background: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
}

.comments-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-primary);
}

.comment-list {
    list-style: none;
    margin: 0 0 2rem;
    padding: 0;
}

.comment {
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}

.comment:last-child {
    border-bottom: none;
}

.comment-author {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.comment-meta {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 0.5rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    font-size: 1rem;
    margin-bottom: 1rem;
    min-height: 44px;
}

.comment-form textarea {
    min-height: 120px;
    resize: vertical;
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: 3px solid var(--color-accent);
    outline-offset: 1px;
    border-color: var(--color-primary);
}

.comment-form .submit {
    background: var(--color-primary);
    color: #fff;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    border: none;
    min-height: 44px;
}

.comment-form .submit:hover, .comment-form .submit:focus {
    background: var(--color-primary-dark);
}

/* Footer */
.site-footer {
    background: var(--color-text);
    color: #FAFAFA;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.site-footer a {
    color: #FAFAFA;
    text-decoration: none;
}

.site-footer a:hover, .site-footer a:focus {
    color: var(--color-accent);
    text-decoration: underline;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2rem;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-info__brand {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}

.footer-info__desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.7);
    margin: 0;
}

.footer-widget__title {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #fff;
}

.footer-widget ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-widget li {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.site-info {
    max-width: var(--container-width);
    margin: 1.5rem auto 0;
    padding: 0 1rem;
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.7);
}

/* 404 */
.error-404 {
    text-align: center;
    padding: 4rem 1rem;
}

.error-404__title {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    border: none;
    padding: 0;
}

.error-404__message {
    font-size: 1.125rem;
    color: var(--color-text-sub);
    margin-bottom: 2rem;
}

.error-404__home {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    min-height: 44px;
}

.error-404__home:hover, .error-404__home:focus {
    background: var(--color-primary-dark);
    color: #fff;
    text-decoration: none;
}

/* Utility Classes */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 900px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .article-thumb {
        margin-left: -2rem;
        margin-right: -2rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    h1 { font-size: 1.625rem; }
    h2 { font-size: 1.375rem; }
    h3 { font-size: 1.1875rem; }

    .menu-toggle {
        display: inline-flex;
    }

    .global-nav {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--color-bg-white);
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .global-nav.is-open {
        max-height: 80vh;
        overflow-y: auto;
    }

    .global-nav__list {
        flex-direction: column;
        padding: 0.5rem 1rem;
    }

    .global-nav__list a {
        padding: 0.875rem 0.5rem;
        border-bottom: 1px solid var(--color-border);
        border-radius: 0;
        width: 100%;
    }

    .global-nav__list li:last-child a {
        border-bottom: none;
    }

    .post-card {
        grid-template-columns: 120px 1fr;
    }

    .post-card__body {
        padding: 1rem;
    }

    .post-card__excerpt {
        display: none;
    }

    .single-article {
        padding: 1.5rem 1rem;
    }

    .article-thumb {
        margin-left: -1rem;
        margin-right: -1rem;
    }

    .article-title {
        font-size: 1.375rem;
    }

    .hero {
        padding: 2rem 1rem;
        margin-bottom: 1.5rem;
    }

    .hero__title {
        font-size: 1.5rem;
    }

    .hero__lead {
        font-size: 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .site-logo__main {
        font-size: 1.0625rem;
    }

    .site-logo__sub {
        font-size: 0.6875rem;
    }

    .post-card {
        grid-template-columns: 100px 1fr;
    }

    .post-card__title {
        font-size: 1rem;
    }

    .post-card__meta {
        font-size: 0.75rem;
    }

    .single-article {
        padding: 1.25rem 0.875rem;
    }

    .related-posts, .comments-area {
        padding: 1.25rem;
    }

    .author-box {
        grid-template-columns: 60px 1fr;
        padding: 1rem;
    }

    .author-box__avatar {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .share-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .share-btn {
        justify-content: center;
    }
}

/* Print */
@media print {
    .site-header, .site-footer, .sidebar, .share-buttons,
    .related-posts, .comments-area, .breadcrumb {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
    }

    .single-article {
        box-shadow: none;
        padding: 0;
    }
}

/* Light Mode Only - Force white base for accessibility and trust
   Dark mode auto-switching removed v1.1 - users with WCAG-AA contrast needs
   prefer consistent light theme. Can re-enable via plugin if requested. */
html, body {
    color-scheme: light;
    background-color: #FAFAFA !important;
    color: #212121;
}

/* Focus Visible Override */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* High Contrast Support */
@media (prefers-contrast: more) {
    :root {
        --color-text: #000000;
        --color-bg: #FFFFFF;
        --color-border: #000000;
    }

    a { text-decoration-thickness: 2px; }
    button { border: 2px solid currentColor; }
}