/*
Theme Name: Skill Growth
Theme URI: https://example.com/skill-growth
Author: Skill Growth Team
Author URI: https://example.com/
Description: 学生と社会人の成長記録ブログ「Skill Growth」用のオリジナルWordPressテーマ。3カテゴリ（つまづいた話 / 作ってみた / 学んでみた）構成、レスポンシブ対応、プラグイン非依存。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: skill-growth
Tags: blog, custom-menu, custom-logo, featured-images, threaded-comments, translation-ready, three-columns, right-sidebar
*/

/* =========================================================
   1. リセット & ベース
   ========================================================= */
*,
*::before,
*::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Yu Gothic', sans-serif;
    font-weight: 500;
    color: #333;
    background-color: #fafaf7;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: #5a8a6b;
    text-decoration: none;
    transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
    opacity: 0.8;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 0.6em;
    color: #2d4a36;
}

p {
    margin: 0 0 1em;
}

ul, ol {
    padding-left: 1.4em;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* =========================================================
   2. レイアウト共通
   ========================================================= */
:root {
    --color-main: #5a8a6b;
    --color-main-dark: #2d4a36;
    --color-main-light: #e6f0e9;
    --color-bg: #fafaf7;
    --color-text: #333;
    --color-muted: #777;
    --color-border: #e5e5dd;
    --color-pink: #f8d7da;
    --color-pink-deep: #d9534f;
    --color-cream: #fff3cd;
    --color-cream-deep: #d9a441;
    --color-lightgreen: #d4edda;
    --color-lightgreen-deep: #5a8a6b;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-card-hover: 0 4px 16px rgba(0, 0, 0, 0.08);
    --radius: 12px;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* =========================================================
   3. ヘッダー
   ========================================================= */
.site-topbar {
    background-color: var(--color-main-dark);
    color: #fff;
    padding: 6px 0;
    font-size: 0.85rem;
}

.site-topbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.topbar-tagline {
    color: #fff;
    opacity: 0.9;
}

.site-header {
    background-color: #fff;
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.site-branding {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.site-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-main-dark);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-title a {
    color: inherit;
}

.site-title .leaf-icon {
    color: var(--color-main);
    font-size: 1.4rem;
}

.site-description {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin: 4px 0 0;
}

.site-nav-wrap {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    justify-content: flex-end;
}

.site-nav-toggle {
    display: none;
    background: none;
    border: 0;
    padding: 6px;
    color: var(--color-main-dark);
}

.site-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: currentColor;
    margin: 5px 0;
    transition: transform 0.2s ease;
}

.site-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 28px;
}

.site-nav a {
    color: var(--color-main-dark);
    font-weight: 700;
    padding: 6px 0;
    position: relative;
    display: inline-block;
}

.site-nav .current-menu-item > a,
.site-nav .current_page_item > a,
.site-nav a.current {
    color: var(--color-main);
}

.site-nav .current-menu-item > a::after,
.site-nav .current_page_item > a::after,
.site-nav a.current::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 2px;
    background: var(--color-main);
}

/* ドロップダウン（共通） */
.site-nav .menu-item-has-children {
    position: relative;
}

.site-nav .menu-item-has-children > a::after {
    content: '▼';
    display: inline-block;
    margin-left: 6px;
    font-size: 0.65em;
    transform: translateY(-1px);
    transition: transform 0.2s ease;
}

.site-nav .menu-item-has-children.is-open > a::after {
    transform: translateY(-1px) rotate(180deg);
}

.site-nav .sub-menu {
    list-style: none;
    margin: 0;
    padding: 8px 0;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(45, 74, 54, 0.12);
    min-width: 220px;
}

.site-nav .sub-menu li {
    border-bottom: 0;
}

.site-nav .sub-menu a {
    display: block;
    padding: 10px 18px;
    font-weight: 500;
    color: var(--color-main-dark);
    white-space: nowrap;
}

.site-nav .sub-menu a::after {
    display: none;
}

.site-nav .sub-menu a:hover,
.site-nav .sub-menu a:focus {
    background: var(--color-main-light);
    color: var(--color-main);
    opacity: 1;
}

.site-search-toggle {
    background: none;
    border: 0;
    color: var(--color-main-dark);
    padding: 6px;
}

.site-search-toggle svg {
    width: 22px;
    height: 22px;
}

.site-search-form {
    display: none;
    width: 100%;
    margin-top: 12px;
}

.site-search-form.is-open {
    display: block;
}

/* =========================================================
   4. ヒーローセクション
   ========================================================= */
.hero {
    background: linear-gradient(135deg, #f0f7f2 0%, #fafaf7 100%);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.5;
    color: var(--color-main-dark);
    margin-bottom: 24px;
}

.hero-text p {
    color: #555;
    margin-bottom: 28px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 999px;
    font-weight: 700;
    text-align: center;
    border: 0;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background-color: var(--color-main);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-main-dark);
    color: #fff;
    opacity: 1;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 74, 54, 0.2);
}

.btn-arrow::after {
    content: '→';
    margin-left: 4px;
}

.hero-mascot {
    position: relative;
    text-align: center;
    min-height: 240px;
}

.hero-mascot img {
    margin: 0 auto;
    max-width: 360px;
}

.speech-bubble {
    display: inline-block;
    background: #fff;
    border: 2px solid #fff;
    border-radius: 24px;
    padding: 12px 20px;
    color: var(--color-main-dark);
    font-weight: 700;
    box-shadow: var(--shadow-card);
    position: relative;
    margin-bottom: 12px;
}

.speech-bubble::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 30px;
    border: 8px solid transparent;
    border-top-color: #fff;
}

/* =========================================================
   5. カテゴリカード
   ========================================================= */
.category-cards {
    padding: 40px 0;
}

.category-cards .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.cat-card {
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.cat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

.cat-card.is-stumble {
    background-color: var(--color-pink);
}

.cat-card.is-build {
    background-color: var(--color-cream);
}

.cat-card.is-learn {
    background-color: var(--color-lightgreen);
}

.cat-icon {
    flex-shrink: 0;
    width: 96px;
    height: 96px;
}

.cat-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.cat-body {
    flex: 1;
}

.cat-body h3 {
    margin: 0 0 8px;
    font-size: 1.2rem;
}

.cat-body p {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 12px;
}

.cat-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 18px;
    border-radius: 999px;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
}

.cat-link.is-stumble { background-color: #d9534f; }
.cat-link.is-build { background-color: #d9a441; }
.cat-link.is-learn { background-color: var(--color-main); }

.cat-link:hover {
    color: #fff;
    opacity: 0.9;
}

.cat-link::after {
    content: '→';
    margin-left: 6px;
}

/* =========================================================
   6. メインコンテンツ + サイドバー
   ========================================================= */
.site-main-section {
    padding: 24px 0 60px;
}

.site-main-section .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.2rem;
    margin: 0 0 16px;
    color: var(--color-main-dark);
}

.section-title .leaf-icon {
    color: var(--color-main);
}

.section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-head .more-link {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-main);
}

.section-head .more-link::before {
    content: '› ';
}

.posts-list {
    background: #fff;
    border-radius: var(--radius);
    padding: 8px;
    box-shadow: var(--shadow-card);
}

.post-item {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--color-border);
}

.post-item:last-child {
    border-bottom: 0;
}

.post-thumb {
    border-radius: 8px;
    overflow: hidden;
    background: #f0f0e8;
    aspect-ratio: 4 / 3;
}

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

.post-body h3 {
    font-size: 1rem;
    margin: 6px 0 4px;
}

.post-body h3 a {
    color: var(--color-main-dark);
}

.post-body h3 a:hover {
    color: var(--color-main);
}

.post-body p {
    font-size: 0.85rem;
    color: #666;
    margin: 0 0 6px;
}

.post-meta {
    font-size: 0.8rem;
    color: var(--color-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.post-meta .clock-icon::before {
    content: '🕐';
    font-size: 0.8rem;
}

.cat-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
}

.cat-tag.is-stumble { background-color: #d9534f; }
.cat-tag.is-build { background-color: #d9a441; }
.cat-tag.is-learn { background-color: var(--color-main); }
.cat-tag.is-default { background-color: #888; }

/* サイドバー */
.site-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.widget {
    background: #fff;
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-card);
}

.widget-title {
    font-size: 1rem;
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-main-light);
    color: var(--color-main-dark);
}

.profile-widget {
    text-align: center;
}

.profile-widget .mascot-thumb {
    width: 120px;
    height: 120px;
    margin: 0 auto 8px;
    object-fit: contain;
}

.profile-widget .mascot-name {
    font-weight: 700;
    color: var(--color-main-dark);
    margin: 4px 0;
}

.profile-widget p {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 14px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid var(--color-main);
    color: var(--color-main);
    font-weight: 700;
    font-size: 0.9rem;
    background: #fff;
}

.btn-outline:hover {
    background: var(--color-main);
    color: #fff;
}

.btn-outline::after {
    content: '→';
    margin-left: 6px;
}

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

.popular-list li {
    display: grid;
    grid-template-columns: 32px 60px 1fr;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--color-border);
}

.popular-list li:last-child {
    border-bottom: 0;
}

.popular-rank {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-main);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
}

.popular-thumb {
    width: 60px;
    height: 45px;
    border-radius: 4px;
    overflow: hidden;
    background: #f0f0e8;
}

.popular-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.popular-list a {
    font-size: 0.9rem;
    color: var(--color-main-dark);
    line-height: 1.4;
}

.widget-more {
    display: block;
    text-align: right;
    font-size: 0.85rem;
    margin-top: 10px;
    color: var(--color-main);
}

/* =========================================================
   7. CTAバナー
   ========================================================= */
.cta-banner {
    background: linear-gradient(135deg, #e6f0e9 0%, #f0f7f2 100%);
    padding: 32px 0;
}

.cta-banner .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    align-items: center;
}

.cta-banner-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.cta-banner-mascot {
    width: 100px;
    flex-shrink: 0;
    object-fit: contain;
}

.cta-banner h2 {
    margin: 0 0 4px;
    font-size: 1.2rem;
}

.cta-banner p {
    margin: 0;
    font-size: 0.9rem;
    color: #555;
}

.cta-banner .btn {
    justify-self: end;
}

/* =========================================================
   8. アーカイブ・記事詳細・固定ページ
   ========================================================= */
.page-header {
    text-align: center;
    padding: 48px 16px 24px;
}

.page-header .page-title {
    font-size: 2rem;
    margin: 0;
}

.page-header .archive-description {
    color: var(--color-muted);
    margin-top: 8px;
}

.archive-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.archive-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
}

.archive-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

.archive-card .post-thumb {
    aspect-ratio: 16 / 9;
    border-radius: 0;
}

.archive-card .archive-card-body {
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.archive-card h2 {
    font-size: 1.1rem;
    margin: 0;
}

.archive-card h2 a {
    color: var(--color-main-dark);
}

.single-article {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.single-article .entry-header {
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 16px;
}

.single-article .entry-title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin: 8px 0;
}

.single-article .entry-thumb {
    margin: 0 0 24px;
    border-radius: var(--radius);
    overflow: hidden;
}

.entry-content {
    line-height: 1.9;
}

.entry-content h2 {
    font-size: 1.4rem;
    margin: 1.6em 0 0.8em;
    padding: 8px 12px;
    border-left: 4px solid var(--color-main);
    background: var(--color-main-light);
}

.entry-content h3 {
    font-size: 1.15rem;
    margin: 1.4em 0 0.6em;
    border-bottom: 2px dotted var(--color-main);
    padding-bottom: 4px;
}

.entry-content blockquote {
    margin: 1em 0;
    padding: 12px 16px;
    background: #f5f5ee;
    border-left: 4px solid var(--color-muted);
    color: #555;
}

.entry-content code {
    background: #f0f0e8;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.entry-content pre {
    background: #2d4a36;
    color: #fff;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
}

.entry-content pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

.entry-tags {
    margin-top: 24px;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.entry-tags a {
    display: inline-block;
    padding: 2px 10px;
    background: var(--color-main-light);
    border-radius: 4px;
    margin: 0 4px 4px 0;
}

.post-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 24px 0;
}

.post-navigation a {
    display: block;
    padding: 12px 16px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-main-dark);
    font-size: 0.9rem;
}

.post-navigation .nav-next {
    text-align: right;
}

/* ページネーション */
.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    margin: 24px 0;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 6px;
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-main-dark);
    font-weight: 700;
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
    background: var(--color-main);
    color: #fff;
    border-color: var(--color-main);
    opacity: 1;
}

/* コメント */
.comments-area {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow-card);
    margin-bottom: 32px;
}

.comments-title {
    font-size: 1.2rem;
    margin: 0 0 16px;
}

.comment-list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.comment-list li {
    border-bottom: 1px dashed var(--color-border);
    padding: 12px 0;
}

/* 検索結果なし、404 */
.no-results,
.error-404 {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    margin: 32px 0;
}

.no-results h1,
.error-404 h1 {
    font-size: 2rem;
    margin: 0 0 8px;
}

.no-results p,
.error-404 p {
    color: var(--color-muted);
    margin: 0 0 20px;
}

/* 検索フォーム */
.search-form {
    display: flex;
    gap: 4px;
    background: #fff;
    border-radius: 999px;
    padding: 4px;
    border: 1px solid var(--color-border);
    max-width: 480px;
    margin: 0 auto;
}

.search-form input[type="search"] {
    flex: 1;
    border: 0;
    padding: 8px 14px;
    background: transparent;
    font: inherit;
    outline: none;
}

.search-form button {
    background: var(--color-main);
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 6px 18px;
    font-weight: 700;
}

/* =========================================================
   8b. プロフィールページ専用
   ========================================================= */
.profile-hero {
    background: linear-gradient(135deg, #f0f7f2 0%, #fafaf7 100%);
    padding: 60px 0;
}

.profile-hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    align-items: center;
    text-align: center;
}

.profile-hero-mascot img {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    object-fit: contain;
}

.profile-eyebrow {
    color: var(--color-main);
    font-weight: 700;
    font-size: 0.9rem;
    margin: 0 0 8px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.05em;
}

.profile-name {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin: 0 0 8px;
    color: var(--color-main-dark);
}

.profile-tagline {
    color: #555;
    margin: 0;
}

.profile-content-section {
    padding: 40px 0;
}

.profile-article {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    max-width: 800px;
    margin: 0 auto;
}

.profile-article .entry-content {
    line-height: 1.9;
}

.profile-article .entry-content > *:first-child {
    margin-top: 0;
}

.profile-article .entry-content > *:last-child {
    margin-bottom: 0;
}

.profile-likes {
    padding: 20px 0 60px;
}

.profile-likes-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 1.4rem;
    margin: 0 0 28px;
}

.profile-likes-title .leaf-icon {
    color: var(--color-main);
}

.likes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.like-card {
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.like-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
}

.like-card.is-idea { background: var(--color-cream); }
.like-card.is-working { background: var(--color-main-light); }
.like-card.is-celebrate { background: var(--color-pink); }

.like-card img {
    width: 110px;
    height: 110px;
    margin: 0 auto 8px;
    object-fit: contain;
}

.like-card h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}

.like-card p {
    font-size: 0.9rem;
    color: #555;
    margin: 0;
}

/* =========================================================
   8c. Contact Form 7（プラグイン）スタイル調整
   ========================================================= */
.wpcf7 {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    max-width: 640px;
    margin: 0 auto;
}

.wpcf7 form > p {
    margin: 0 0 18px;
}

.wpcf7 label {
    display: block;
    font-weight: 700;
    color: var(--color-main-dark);
    font-size: 0.95rem;
}

.wpcf7-form-control:not(.wpcf7-submit):not(.wpcf7-acceptance):not(.wpcf7-checkbox):not(.wpcf7-radio) {
    width: 100%;
    padding: 10px 14px;
    margin-top: 4px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    font: inherit;
    color: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wpcf7-form-control:not(.wpcf7-submit):focus {
    outline: none;
    border-color: var(--color-main);
    box-shadow: 0 0 0 3px rgba(90, 138, 107, 0.18);
}

.wpcf7-textarea {
    min-height: 160px;
    resize: vertical;
}

.wpcf7-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-main);
    color: #fff;
    border: 0;
    padding: 12px 32px;
    border-radius: 999px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.wpcf7-submit:hover,
.wpcf7-submit:focus {
    background-color: var(--color-main-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(45, 74, 54, 0.2);
    outline: none;
}

.wpcf7-submit[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.wpcf7-not-valid-tip {
    display: block;
    color: #d9534f;
    font-size: 0.85rem;
    font-weight: 700;
    margin-top: 6px;
}

.wpcf7-response-output {
    margin: 18px 0 0;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    font-size: 0.9rem;
    background: var(--color-bg);
}

.wpcf7 form.sent .wpcf7-response-output {
    border-color: var(--color-main);
    background: var(--color-lightgreen);
    color: var(--color-main-dark);
}

.wpcf7 form.invalid .wpcf7-response-output,
.wpcf7 form.unaccepted .wpcf7-response-output,
.wpcf7 form.failed .wpcf7-response-output {
    border-color: #d9534f;
    background: var(--color-pink);
    color: #5a1f22;
}

.wpcf7-spinner {
    margin-left: 12px;
}

/* =========================================================
   9. フッター
   ========================================================= */
.site-footer {
    background-color: var(--color-main-dark);
    color: #fff;
    padding: 40px 0 20px;
    margin-top: 40px;
}

.site-footer .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.footer-branding .site-title {
    color: #fff;
}

.footer-branding p {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 8px;
}

.footer-widgets {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.footer-widgets h3 {
    color: #fff;
    font-size: 1rem;
    margin: 0 0 8px;
}

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

.footer-widgets a {
    color: #fff;
    opacity: 0.85;
    font-size: 0.9rem;
    display: inline-block;
    padding: 4px 0;
}

.footer-widgets a:hover {
    opacity: 1;
    color: #fff;
}

.site-info {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 16px;
    font-size: 0.8rem;
    opacity: 0.8;
}

/* =========================================================
   10. WordPress標準クラス
   ========================================================= */
.alignleft { float: left; margin: 0 1em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1em; }
.aligncenter { display: block; margin: 1em auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.85rem; color: var(--color-muted); text-align: center; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; margin: 1em 0; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.sticky { position: relative; }

/* =========================================================
   11. メディアクエリ（768px以上）
   ========================================================= */
@media screen and (min-width: 768px) {
    .container {
        padding: 0 24px;
    }

    /* ヒーロー */
    .hero {
        padding: 80px 0;
    }

    .hero .container {
        grid-template-columns: 1fr 1fr;
    }

    .hero-mascot img {
        max-width: 480px;
    }

    /* カテゴリカード */
    .category-cards .grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    /* メイン + サイドバー */
    .site-main-section .container {
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 32px;
    }

    /* PC: ドロップダウンはホバーで表示 */
    .site-nav .sub-menu {
        position: absolute;
        top: 100%;
        left: -8px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(8px);
        transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
        z-index: 200;
    }

    .site-nav .menu-item-has-children:hover > .sub-menu,
    .site-nav .menu-item-has-children:focus-within > .sub-menu,
    .site-nav .menu-item-has-children.is-open > .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    /* 投稿リスト */
    .post-item {
        grid-template-columns: 180px 1fr;
        gap: 20px;
    }

    /* CTA */
    .cta-banner .container {
        grid-template-columns: 1fr auto;
    }

    /* アーカイブ */
    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* プロフィールページ */
    .profile-hero {
        padding: 80px 0;
    }

    .profile-hero-inner {
        grid-template-columns: 240px 1fr;
        gap: 40px;
        text-align: left;
    }

    .profile-hero-mascot img {
        width: 240px;
        height: 240px;
        margin: 0;
    }

    .likes-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .profile-article {
        padding: 40px;
    }

    /* フッター */
    .site-footer .container {
        grid-template-columns: 1fr 2fr;
    }

    .footer-widgets {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media screen and (min-width: 1024px) {
    .archive-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* モバイル時のナビ */
@media screen and (max-width: 767px) {
    .site-nav-toggle {
        display: block;
        order: 2;
    }

    .site-nav {
        display: none;
        width: 100%;
        order: 3;
    }

    .site-nav.is-open {
        display: block;
    }

    .site-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .site-nav li {
        border-bottom: 1px solid var(--color-border);
    }

    .site-nav a {
        display: block;
        padding: 12px 0;
    }

    /* SP: ドロップダウンはタップで開閉 */
    .site-nav .menu-item-has-children > a::after {
        float: right;
        margin-top: 6px;
    }

    .site-nav .sub-menu {
        display: none;
        box-shadow: none;
        border-radius: 0;
        background: var(--color-main-light);
        margin: 0 -16px;
        padding: 4px 0;
    }

    .site-nav .menu-item-has-children.is-open > .sub-menu {
        display: block;
    }

    .site-nav .sub-menu a {
        padding: 10px 28px;
    }

    .site-search-toggle {
        order: 1;
    }
}