/*
Theme Name: Takuetsu Green
Theme URI: https://takuetsukitchen.com/
Author: 卓越キッチン
Description: 卓越キッチン（料理スキル向上ノート）のためのオリジナルテーマ。深い緑を基調とした落ち着いた配色で、レシピ記事が読みやすいシンプルなレイアウトです。TOP / 私の減量記録 / プロフィール / プライバシーポリシー の4つを大きなボタンとしてヘッダーに常時表示します。
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: takuetsu-green
Tags: blog, food, green, two-columns, custom-menu, featured-images, translation-ready
*/

/* =========================================================
   1. カラー変数
   ========================================================= */
:root {
	--tk-green-900: #14401f;
	--tk-green-800: #1b5e20;
	--tk-green-700: #24762c;
	--tk-green-600: #2e7d32;
	--tk-green-500: #43a047;
	--tk-green-300: #a5d6a7;
	--tk-green-100: #e8f5e9;
	--tk-green-050: #f4faf5;
	--tk-accent: #f9a825;
	--tk-text: #23302a;
	--tk-text-muted: #5c6b62;
	--tk-border: #d9e7dc;
	--tk-white: #ffffff;
	--tk-shadow: 0 2px 10px rgba(20, 64, 31, .08);
	--tk-shadow-lg: 0 6px 22px rgba(20, 64, 31, .14);
	--tk-radius: 10px;
	--tk-wrap: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
	margin: 0;
	background: var(--tk-green-050);
	color: var(--tk-text);
	font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;
	font-size: 16px;
	line-height: 1.9;
	-webkit-font-smoothing: antialiased;
}

img,
video,
iframe { max-width: 100%; height: auto; }

a { color: var(--tk-green-700); }
a:hover { color: var(--tk-green-500); }

h1, h2, h3, h4, h5, h6 { line-height: 1.5; }

.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	margin: -1px; padding: 0;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap; border: 0;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 999;
	background: var(--tk-green-800);
	color: #fff;
	padding: 12px 20px;
}
.skip-link:focus { left: 0; }

.tk-wrap {
	width: min(100% - 32px, var(--tk-wrap));
	margin-inline: auto;
}

/* =========================================================
   3. ヘッダー
   ========================================================= */
.tk-header {
	background: linear-gradient(135deg, var(--tk-green-800) 0%, var(--tk-green-600) 55%, var(--tk-green-500) 100%);
	color: #fff;
	box-shadow: var(--tk-shadow);
}

.tk-header__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 16px;
	padding: 22px 0 18px;
}

.tk-branding { margin-right: auto; }

.tk-site-title {
	margin: 0;
	font-size: 1.6rem;
	font-weight: 800;
	letter-spacing: .04em;
}
.tk-site-title a { color: #fff; text-decoration: none; }
.tk-site-title a:hover { color: var(--tk-green-100); }

.tk-site-description {
	margin: 4px 0 0;
	font-size: .85rem;
	color: var(--tk-green-100);
}

.tk-custom-logo-link img { max-height: 64px; width: auto; }

/* --- ナビゲーション（ボタン型） --- */
.tk-nav-toggle {
	display: none;
	align-items: center;
	gap: 8px;
	background: rgba(255, 255, 255, .16);
	border: 1px solid rgba(255, 255, 255, .5);
	color: #fff;
	font-size: .95rem;
	font-weight: 700;
	padding: 10px 16px;
	border-radius: var(--tk-radius);
	cursor: pointer;
}
.tk-nav-toggle__bars {
	display: inline-block;
	width: 18px; height: 2px;
	background: #fff;
	position: relative;
}
.tk-nav-toggle__bars::before,
.tk-nav-toggle__bars::after {
	content: "";
	position: absolute;
	left: 0;
	width: 18px; height: 2px;
	background: #fff;
}
.tk-nav-toggle__bars::before { top: -6px; }
.tk-nav-toggle__bars::after { top: 6px; }

.tk-nav { width: 100%; }

.tk-nav ul {
	list-style: none;
	margin: 0;
	padding: 0 0 6px;
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 12px;
}

/* メニュー項目が4つでない場合も破綻しないよう自動調整 */
.tk-nav ul li { position: relative; }

.tk-nav ul li > a {
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
	min-height: 56px;
	padding: 12px 14px;
	background: var(--tk-white);
	color: var(--tk-green-800);
	font-size: 1.02rem;
	font-weight: 800;
	letter-spacing: .02em;
	text-decoration: none;
	border-radius: var(--tk-radius);
	border-bottom: 4px solid var(--tk-green-900);
	box-shadow: var(--tk-shadow);
	transition: transform .15s ease, background .15s ease, color .15s ease, box-shadow .15s ease;
}

.tk-nav ul li > a:hover,
.tk-nav ul li > a:focus-visible {
	background: var(--tk-accent);
	color: var(--tk-green-900);
	transform: translateY(-2px);
	box-shadow: var(--tk-shadow-lg);
}

.tk-nav .current-menu-item > a,
.tk-nav .current_page_item > a,
.tk-nav .tk-nav__current > a {
	background: var(--tk-green-900);
	color: #fff;
	border-bottom-color: var(--tk-accent);
}

/* サブメニュー */
.tk-nav ul ul {
	display: none;
	position: absolute;
	z-index: 50;
	top: 100%;
	left: 0;
	min-width: 220px;
	grid-template-columns: 1fr;
	gap: 0;
	padding: 6px;
	background: #fff;
	border-radius: var(--tk-radius);
	box-shadow: var(--tk-shadow-lg);
}
.tk-nav li:hover > ul,
.tk-nav li:focus-within > ul { display: grid; }
.tk-nav ul ul li > a {
	min-height: 0;
	justify-content: flex-start;
	text-align: left;
	font-size: .92rem;
	border-bottom: 0;
	box-shadow: none;
	border-radius: 6px;
}

/* =========================================================
   4. レイアウト
   ========================================================= */
.tk-main-area {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 320px;
	gap: 32px;
	padding: 32px 0 56px;
	align-items: start;
}

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

/* --- ページヘッダー --- */
.tk-page-header {
	background: var(--tk-white);
	border-left: 6px solid var(--tk-green-600);
	border-radius: var(--tk-radius);
	padding: 18px 22px;
	margin-bottom: 24px;
	box-shadow: var(--tk-shadow);
}
.tk-page-header h1 { margin: 0; font-size: 1.35rem; color: var(--tk-green-800); }
.tk-page-header p { margin: 6px 0 0; color: var(--tk-text-muted); font-size: .9rem; }

/* --- 記事カード一覧 --- */
.tk-card-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 22px;
}

.tk-card {
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: var(--tk-radius);
	overflow: hidden;
	box-shadow: var(--tk-shadow);
	display: flex;
	flex-direction: column;
	transition: transform .15s ease, box-shadow .15s ease;
}
.tk-card:hover { transform: translateY(-3px); box-shadow: var(--tk-shadow-lg); }

.tk-card__thumb { display: block; background: var(--tk-green-100); }
.tk-card__thumb img {
	display: block;
	width: 100%;
	aspect-ratio: 16 / 10;
	object-fit: cover;
}

.tk-card__body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.tk-card__cat {
	align-self: flex-start;
	background: var(--tk-green-100);
	color: var(--tk-green-800);
	font-size: .74rem;
	font-weight: 700;
	padding: 3px 10px;
	border-radius: 999px;
	text-decoration: none;
}
.tk-card__cat:hover { background: var(--tk-green-300); }

.tk-card__title { margin: 0; font-size: 1.05rem; line-height: 1.6; }
.tk-card__title a { color: var(--tk-text); text-decoration: none; }
.tk-card__title a:hover { color: var(--tk-green-600); }

.tk-card__meta { font-size: .78rem; color: var(--tk-text-muted); }
.tk-card__excerpt { margin: 0; font-size: .88rem; color: var(--tk-text-muted); }

.tk-card__more {
	margin-top: auto;
	align-self: flex-start;
	background: var(--tk-green-600);
	color: #fff;
	font-size: .82rem;
	font-weight: 700;
	padding: 8px 16px;
	border-radius: 999px;
	text-decoration: none;
}
.tk-card__more:hover { background: var(--tk-green-800); color: #fff; }

/* =========================================================
   5. 記事本文
   ========================================================= */
.tk-article {
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: var(--tk-radius);
	padding: 28px;
	box-shadow: var(--tk-shadow);
}

.tk-article__title {
	margin: 0 0 12px;
	font-size: 1.7rem;
	color: var(--tk-green-900);
}

.tk-article__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	font-size: .82rem;
	color: var(--tk-text-muted);
	padding-bottom: 14px;
	margin-bottom: 20px;
	border-bottom: 2px dotted var(--tk-border);
}

.tk-article__thumb { margin: 0 0 22px; }
.tk-article__thumb img { width: 100%; border-radius: var(--tk-radius); }

.tk-entry-content > * + * { margin-top: 1.4em; }

.tk-entry-content h2 {
	background: var(--tk-green-700);
	color: #fff;
	font-size: 1.25rem;
	padding: 12px 18px;
	border-radius: 6px;
	margin-top: 2em;
}

.tk-entry-content h3 {
	font-size: 1.12rem;
	color: var(--tk-green-800);
	border-left: 5px solid var(--tk-green-500);
	padding-left: 12px;
	margin-top: 1.8em;
}

.tk-entry-content h4 {
	font-size: 1.02rem;
	color: var(--tk-green-800);
	border-bottom: 2px solid var(--tk-green-300);
	padding-bottom: 4px;
}

.tk-entry-content blockquote {
	margin: 0;
	padding: 14px 20px;
	background: var(--tk-green-100);
	border-left: 5px solid var(--tk-green-500);
	border-radius: 0 6px 6px 0;
	color: var(--tk-text-muted);
}

.tk-entry-content ul,
.tk-entry-content ol { padding-left: 1.4em; }
.tk-entry-content li + li { margin-top: .4em; }

.tk-entry-content table {
	width: 100%;
	border-collapse: collapse;
	font-size: .92rem;
}
.tk-entry-content table th,
.tk-entry-content table td {
	border: 1px solid var(--tk-border);
	padding: 10px 12px;
}
.tk-entry-content table th { background: var(--tk-green-100); color: var(--tk-green-800); }

.tk-entry-content code {
	background: var(--tk-green-100);
	padding: 2px 6px;
	border-radius: 4px;
	font-size: .9em;
}
.tk-entry-content pre {
	background: var(--tk-green-900);
	color: #e8f5e9;
	padding: 16px;
	border-radius: var(--tk-radius);
	overflow-x: auto;
}
.tk-entry-content pre code { background: none; color: inherit; }

.tk-entry-content img { border-radius: var(--tk-radius); }

.tk-table-scroll { overflow-x: auto; }

/* 投稿フッター */
.tk-article__footer {
	margin-top: 28px;
	padding-top: 18px;
	border-top: 2px dotted var(--tk-border);
	font-size: .85rem;
	color: var(--tk-text-muted);
}
.tk-tags a {
	display: inline-block;
	background: var(--tk-green-100);
	color: var(--tk-green-800);
	padding: 3px 10px;
	margin: 0 6px 6px 0;
	border-radius: 999px;
	font-size: .78rem;
	text-decoration: none;
}
.tk-tags a:hover { background: var(--tk-green-300); }

/* 前後の記事 */
.tk-post-nav {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-top: 24px;
}
.tk-post-nav a {
	display: block;
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: var(--tk-radius);
	padding: 14px 16px;
	text-decoration: none;
	color: var(--tk-text);
	font-size: .9rem;
	box-shadow: var(--tk-shadow);
}
.tk-post-nav a:hover { border-color: var(--tk-green-500); color: var(--tk-green-700); }
.tk-post-nav span { display: block; font-size: .74rem; color: var(--tk-text-muted); margin-bottom: 4px; }
.tk-post-nav .tk-post-nav__next { text-align: right; }

/* =========================================================
   6. サイドバー / ウィジェット
   ========================================================= */
.tk-sidebar { display: flex; flex-direction: column; gap: 20px; }

.tk-widget {
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: var(--tk-radius);
	padding: 18px 20px;
	box-shadow: var(--tk-shadow);
}
.tk-widget .widget-title,
.tk-widget h2 {
	margin: 0 0 12px;
	font-size: 1rem;
	color: var(--tk-green-800);
	padding-bottom: 8px;
	border-bottom: 3px solid var(--tk-green-300);
}
.tk-widget ul { list-style: none; margin: 0; padding: 0; }
.tk-widget li { padding: 7px 0; border-bottom: 1px dashed var(--tk-border); font-size: .9rem; }
.tk-widget li:last-child { border-bottom: 0; }
.tk-widget a { text-decoration: none; }
.tk-widget a:hover { text-decoration: underline; }

/* 検索フォーム */
.tk-searchform { display: flex; gap: 8px; }
.tk-searchform label { flex: 1; min-width: 0; display: block; }
.tk-searchform input[type="search"] {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--tk-border);
	border-radius: 6px;
	font-size: .9rem;
}
.tk-searchform input[type="search"]:focus {
	outline: 2px solid var(--tk-green-500);
	outline-offset: 1px;
}
.tk-searchform button {
	background: var(--tk-green-600);
	color: #fff;
	border: 0;
	border-radius: 6px;
	padding: 0 16px;
	font-weight: 700;
	cursor: pointer;
}
.tk-searchform button:hover { background: var(--tk-green-800); }

/* =========================================================
   7. ページネーション
   ========================================================= */
.tk-pagination { margin-top: 32px; }
.tk-pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
}
.tk-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 42px;
	height: 42px;
	padding: 0 12px;
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: 8px;
	color: var(--tk-green-800);
	font-weight: 700;
	text-decoration: none;
}
.tk-pagination .page-numbers:hover { background: var(--tk-green-100); }
.tk-pagination .page-numbers.current {
	background: var(--tk-green-700);
	border-color: var(--tk-green-700);
	color: #fff;
}

/* =========================================================
   8. フッター
   ========================================================= */
.tk-footer {
	background: var(--tk-green-900);
	color: var(--tk-green-100);
	padding: 36px 0 24px;
	margin-top: auto;
}
.tk-footer a { color: #fff; }

.tk-footer__nav ul {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 10px 14px;
	margin: 0 0 18px;
	padding: 0;
}
.tk-footer__nav ul li a {
	display: inline-block;
	padding: 8px 18px;
	border: 1px solid rgba(255, 255, 255, .45);
	border-radius: 999px;
	font-size: .88rem;
	font-weight: 700;
	text-decoration: none;
}
.tk-footer__nav ul li a:hover { background: rgba(255, 255, 255, .14); }

.tk-footer__copy { text-align: center; font-size: .82rem; margin: 0; }

.tk-to-top {
	position: fixed;
	right: 18px;
	bottom: 18px;
	width: 46px; height: 46px;
	display: none;
	align-items: center;
	justify-content: center;
	background: var(--tk-green-700);
	color: #fff;
	border: 0;
	border-radius: 50%;
	font-size: 1.1rem;
	cursor: pointer;
	box-shadow: var(--tk-shadow-lg);
	z-index: 80;
}
.tk-to-top.is-visible { display: flex; }
.tk-to-top:hover { background: var(--tk-green-900); }

/* =========================================================
   9. コメント
   ========================================================= */
.tk-comments {
	background: var(--tk-white);
	border: 1px solid var(--tk-border);
	border-radius: var(--tk-radius);
	padding: 24px;
	margin-top: 24px;
	box-shadow: var(--tk-shadow);
}
.tk-comments .comment-list { list-style: none; margin: 0; padding: 0; }
.tk-comments .comment-list li { border-bottom: 1px dashed var(--tk-border); padding: 14px 0; }
.tk-comments input[type="text"],
.tk-comments input[type="email"],
.tk-comments input[type="url"],
.tk-comments textarea {
	width: 100%;
	padding: 10px 12px;
	border: 1px solid var(--tk-border);
	border-radius: 6px;
	font-size: .92rem;
}
.tk-comments .submit {
	background: var(--tk-green-600);
	color: #fff;
	border: 0;
	border-radius: 999px;
	padding: 10px 26px;
	font-weight: 700;
	cursor: pointer;
}
.tk-comments .submit:hover { background: var(--tk-green-800); }

/* =========================================================
   10. WordPress 標準クラス
   ========================================================= */
.alignleft { float: left; margin: .4em 1.4em 1em 0; }
.alignright { float: right; margin: .4em 0 1em 1.4em; }
.aligncenter { display: block; margin-inline: auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: .82rem; color: var(--tk-text-muted); text-align: center; }
.sticky .tk-card { border-color: var(--tk-green-500); }
.clearfix::after { content: ""; display: table; clear: both; }

/* =========================================================
   11. レスポンシブ
   ========================================================= */
@media (max-width: 1000px) {
	.tk-main-area { grid-template-columns: 1fr; }
	.tk-sidebar { order: 2; }
}

@media (max-width: 782px) {
	body { font-size: 15.5px; }

	.tk-header__inner { padding: 16px 0 14px; }
	.tk-site-title { font-size: 1.25rem; }

	.tk-nav-toggle { display: inline-flex; }

	.tk-nav { display: none; }
	.tk-nav.is-open { display: block; }

	.tk-nav ul { grid-template-columns: 1fr 1fr; gap: 10px; }
	.tk-nav ul li > a { min-height: 52px; font-size: .95rem; padding: 10px; }

	.tk-nav ul ul { position: static; display: grid; box-shadow: none; background: transparent; padding: 6px 0 0; }
	.tk-nav ul ul li > a { background: var(--tk-green-100); }

	.tk-article { padding: 20px 18px; }
	.tk-article__title { font-size: 1.35rem; }
	.tk-post-nav { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
	.tk-nav ul { grid-template-columns: 1fr; }
}

/* 印刷 */
@media print {
	.tk-header, .tk-sidebar, .tk-footer, .tk-to-top, .tk-post-nav { display: none !important; }
	body { background: #fff; }
	.tk-article { box-shadow: none; border: 0; padding: 0; }
}