/*
Theme Name: ポ活テーマ
Description: 「ポ活」専用のクラシックテーマ。レイアウト・ヘッダー・フッター・トップページの見た目を担当する。比較表やマイページの中身の描画・データ取得は pokatsu-core プラグインが持つ。
Author: たかし
Version: 0.2.0
Requires at least: 6.0
Requires PHP: 8.0
Text Domain: pokatsu-theme
*/

/* ==========================================================================
   スマホファースト。ブレークポイントは 768px の1点のみ。
   ========================================================================== */

:root {
	--pk-primary: #1e6fd9;
	--pk-primary-dark: #1857aa;
	--pk-text: #2b2b2b;
	--pk-muted: #6b7280;
	--pk-border: #e2e5ea;
	--pk-bg: #ffffff;
	--pk-bg-sub: #f5f7fa;
	--pk-radius: 8px;
	--pk-content-width: 640px;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
	font-size: 16px;
	line-height: 1.7;
	color: var(--pk-text);
	background: var(--pk-bg-sub);
	-webkit-text-size-adjust: 100%;
}

a {
	color: var(--pk-primary);
}

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

/* --------------------------------------------------------------------------
   レイアウト
   -------------------------------------------------------------------------- */

.pk-container {
	width: 100%;
	max-width: var(--pk-content-width);
	margin: 0 auto;
	padding: 0 16px;
}

.pk-site-main {
	background: var(--pk-bg);
	min-height: 60vh;
	padding: 24px 0 48px;
}

/* --------------------------------------------------------------------------
   ヘッダー(spec 4.1: ロゴ、ログイン/会員登録導線)
   -------------------------------------------------------------------------- */

.pk-header {
	background: var(--pk-bg);
	border-bottom: 1px solid var(--pk-border);
	position: sticky;
	top: 0;
	z-index: 100;
}

.pk-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	min-height: 56px;
}

.pk-logo {
	font-size: 1.15rem;
	font-weight: bold;
	text-decoration: none;
	color: var(--pk-text);
	white-space: nowrap;
}

.pk-logo__mark {
	color: var(--pk-primary);
}

.pk-header__auth {
	display: flex;
	align-items: center;
	gap: 8px;
	font-size: 0.8rem;
}

.pk-btn {
	display: inline-block;
	padding: 7px 14px;
	border-radius: var(--pk-radius);
	text-decoration: none;
	font-weight: bold;
	line-height: 1.4;
	white-space: nowrap;
	border: 1px solid transparent;
	cursor: pointer;
}

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

.pk-btn--primary:hover {
	background: var(--pk-primary-dark);
}

.pk-btn--ghost {
	background: transparent;
	color: var(--pk-primary);
	border-color: var(--pk-border);
}

.pk-btn--block {
	display: block;
	width: 100%;
	text-align: center;
}

/* グローバルナビ */

.pk-nav {
	border-top: 1px solid var(--pk-border);
	background: var(--pk-bg);
	overflow-x: auto;
}

.pk-nav ul {
	display: flex;
	gap: 4px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.pk-nav li a {
	display: block;
	padding: 10px 12px;
	font-size: 0.85rem;
	text-decoration: none;
	color: var(--pk-text);
	white-space: nowrap;
}

.pk-nav li.current-menu-item a {
	color: var(--pk-primary);
	box-shadow: inset 0 -2px 0 var(--pk-primary);
	font-weight: bold;
}

/* --------------------------------------------------------------------------
   トップページ(spec 4.1)
   -------------------------------------------------------------------------- */

.pk-hero {
	background: linear-gradient(160deg, var(--pk-primary), var(--pk-primary-dark));
	color: #fff;
	padding: 28px 0;
}

.pk-hero__title {
	margin: 0 0 6px;
	font-size: 1.35rem;
	line-height: 1.5;
}

.pk-hero__lead {
	margin: 0;
	font-size: 0.9rem;
	opacity: 0.92;
}

/* 検索窓 */

.pk-search {
	display: flex;
	gap: 8px;
	margin: 16px 0 0;
}

.pk-search__input {
	flex: 1 1 auto;
	min-width: 0;
	padding: 10px 12px;
	font-size: 1rem;
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	background: #fff;
	color: var(--pk-text);
}

.pk-search__submit {
	flex: 0 0 auto;
	background: var(--pk-text);
	color: #fff;
	border: 0;
	border-radius: var(--pk-radius);
	padding: 10px 16px;
	font-weight: bold;
	cursor: pointer;
}

/* セクション見出し */

.pk-section {
	margin: 0 0 40px;
}

.pk-section__head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	gap: 12px;
	margin: 0 0 14px;
}

.pk-section__title {
	margin: 0;
	font-size: 1.1rem;
	padding-left: 10px;
	border-left: 4px solid var(--pk-primary);
	line-height: 1.4;
}

.pk-section__more {
	font-size: 0.8rem;
	white-space: nowrap;
}

/* 注目の比較カード */

.pk-cards {
	display: grid;
	grid-template-columns: 1fr;
	gap: 12px;
}

.pk-card {
	display: block;
	padding: 14px;
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	background: var(--pk-bg);
	text-decoration: none;
	color: inherit;
}

.pk-card:hover {
	border-color: var(--pk-primary);
}

.pk-card__name {
	font-weight: bold;
	margin: 0 0 4px;
}

.pk-card__meta {
	margin: 0;
	font-size: 0.8rem;
	color: var(--pk-muted);
}

.pk-card__points {
	color: var(--pk-primary);
	font-weight: bold;
}

/* 記事一覧 */

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

.pk-posts li {
	border-bottom: 1px solid var(--pk-border);
}

.pk-posts li:first-child {
	border-top: 1px solid var(--pk-border);
}

.pk-posts a {
	display: block;
	padding: 14px 0;
	text-decoration: none;
	color: inherit;
}

.pk-posts a:hover .pk-posts__title {
	color: var(--pk-primary);
}

.pk-posts__title {
	font-weight: bold;
	margin: 0 0 4px;
}

.pk-posts__date {
	font-size: 0.78rem;
	color: var(--pk-muted);
}

.pk-empty {
	color: var(--pk-muted);
	font-size: 0.9rem;
	margin: 0;
}

/* --------------------------------------------------------------------------
   単一ページ・記事
   -------------------------------------------------------------------------- */

.pk-entry__title {
	font-size: 1.3rem;
	line-height: 1.5;
	margin: 0 0 8px;
}

.pk-entry__date {
	display: block;
	font-size: 0.78rem;
	color: var(--pk-muted);
	margin-bottom: 20px;
}

.pk-entry__body > * {
	margin-top: 0;
	margin-bottom: 1.2em;
}

.pk-entry__body h2 {
	font-size: 1.15rem;
	padding-left: 10px;
	border-left: 4px solid var(--pk-primary);
	line-height: 1.4;
}

.pk-entry__body h3 {
	font-size: 1.02rem;
}

.pk-entry__body table {
	display: block;
	overflow-x: auto;
	max-width: 100%;
}

/* ページネーション */

.pk-pagination {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-top: 28px;
}

.pk-pagination .page-numbers {
	padding: 7px 12px;
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
	text-decoration: none;
	font-size: 0.85rem;
}

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

/* --------------------------------------------------------------------------
   フッター
   -------------------------------------------------------------------------- */

.pk-footer {
	background: var(--pk-text);
	color: #cfd4db;
	padding: 24px 0;
	font-size: 0.82rem;
}

.pk-footer a {
	color: #cfd4db;
}

.pk-footer__nav ul {
	display: flex;
	flex-wrap: wrap;
	gap: 14px;
	list-style: none;
	margin: 0 0 14px;
	padding: 0;
}

.pk-footer__copyright {
	margin: 0;
	color: #8b939e;
}

/* --------------------------------------------------------------------------
   アクセシビリティ
   -------------------------------------------------------------------------- */

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

.pk-skip-link {
	position: absolute;
	left: -9999px;
}

.pk-skip-link:focus {
	left: 8px;
	top: 8px;
	z-index: 200;
	background: #fff;
	padding: 8px 12px;
	border-radius: var(--pk-radius);
}

/* --------------------------------------------------------------------------
   認証画面(spec 4.4 会員登録 / 4.5 ログイン / 4.6 パスワード再設定)
   -------------------------------------------------------------------------- */

.pk-auth {
	max-width: 420px;
	padding-top: 8px;
	padding-bottom: 32px;
}

.pk-auth__title {
	font-size: 1.35rem;
	margin: 0 0 16px;
}

.pk-auth__lead {
	margin: 0 0 20px;
	font-size: 0.95rem;
}

.pk-auth__note {
	margin: 0 0 20px;
	font-size: 0.85rem;
	color: var(--pk-muted);
}

.pk-auth__link,
.pk-auth__foot {
	margin: 20px 0 0;
	font-size: 0.9rem;
}

.pk-auth__foot {
	border-top: 1px solid var(--pk-border);
	padding-top: 20px;
	color: var(--pk-muted);
}

/* 通知(エラー・完了) */

.pk-auth__notice {
	margin: 0 0 20px;
	padding: 12px 14px;
	border-radius: var(--pk-radius);
	font-size: 0.9rem;
	border: 1px solid transparent;
}

.pk-auth__notice--error {
	background: #fdf2f2;
	border-color: #f0c9c9;
	color: #a33a3a;
}

.pk-auth__notice--done {
	background: #f1f7ff;
	border-color: #c9ddf5;
	color: var(--pk-primary-dark);
}

/* 登録メリット(spec 4.4) */

.pk-benefits {
	margin: 0 0 24px;
	padding: 14px 16px 14px 32px;
	background: var(--pk-bg-sub);
	border-radius: var(--pk-radius);
	font-size: 0.9rem;
}

.pk-benefits li + li {
	margin-top: 4px;
}

/* フォーム部品 */

.pk-field {
	margin: 0 0 18px;
}

.pk-field__label {
	display: block;
	font-size: 0.85rem;
	font-weight: bold;
	margin-bottom: 6px;
}

.pk-field__input {
	width: 100%;
	padding: 11px 12px;
	font-size: 16px; /* iOS のフォーカス時ズームを避ける */
	font-family: inherit;
	color: var(--pk-text);
	background: var(--pk-bg);
	border: 1px solid var(--pk-border);
	border-radius: var(--pk-radius);
}

.pk-field__input:focus {
	outline: 2px solid var(--pk-primary);
	outline-offset: -1px;
	border-color: var(--pk-primary);
}

.pk-field__hint {
	margin: 6px 0 0;
	font-size: 0.8rem;
	color: var(--pk-muted);
}

.pk-field__hint.is-ok {
	color: #1f7a4d;
}

.pk-field__hint.is-ng {
	color: #a33a3a;
}

.pk-field__error {
	margin: 6px 0 0;
	font-size: 0.8rem;
	color: #a33a3a;
}

/* パスワードの表示トグル */

.pk-field__reveal {
	position: relative;
}

.pk-field__reveal .pk-field__input {
	padding-right: 60px;
}

.pk-reveal-btn {
	position: absolute;
	top: 50%;
	right: 6px;
	transform: translateY(-50%);
	padding: 6px 8px;
	font-size: 0.8rem;
	font-family: inherit;
	color: var(--pk-primary);
	background: transparent;
	border: 0;
	cursor: pointer;
}

/* チェックボックス(規約同意・ログイン保持) */

.pk-check {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	margin: 0 0 20px;
	font-size: 0.85rem;
	line-height: 1.6;
}

.pk-check input {
	margin-top: 3px;
	flex-shrink: 0;
}

/* パスワード強度インジケーター(spec 4.4) */

.pk-strength {
	margin-top: 8px;
}

.pk-strength__bar {
	height: 4px;
	background: var(--pk-border);
	border-radius: 2px;
	overflow: hidden;
}

.pk-strength__bar span {
	display: block;
	height: 100%;
	width: 0;
	background: var(--pk-muted);
	transition: width 0.2s ease, background 0.2s ease;
}

.pk-strength[data-pk-level="1"] .pk-strength__bar span,
.pk-strength[data-pk-level="2"] .pk-strength__bar span {
	background: #d98324;
}

.pk-strength[data-pk-level="3"] .pk-strength__bar span,
.pk-strength[data-pk-level="4"] .pk-strength__bar span {
	background: #1f7a4d;
}

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

/* パスワード条件のチェックリスト(spec 4.6-3) */

.pk-rules {
	margin: 0 0 20px;
	padding: 0;
	list-style: none;
	font-size: 0.8rem;
	color: var(--pk-muted);
}

.pk-rules li {
	padding-left: 20px;
	position: relative;
}

.pk-rules li::before {
	content: "・";
	position: absolute;
	left: 2px;
}

.pk-rules li.is-ok {
	color: #1f7a4d;
}

.pk-rules li.is-ok::before {
	content: "✓";
}

/* 送信完了画面(spec 4.6-2) */

.pk-masked {
	word-break: break-all;
}

.pk-steps {
	margin: 0 0 20px;
	padding-left: 24px;
	font-size: 0.9rem;
}

.pk-steps li + li {
	margin-top: 4px;
}

.pk-help {
	margin: 0 0 24px;
	padding: 12px 14px;
	background: var(--pk-bg-sub);
	border-radius: var(--pk-radius);
	font-size: 0.85rem;
}

.pk-help summary {
	cursor: pointer;
	font-weight: bold;
}

.pk-help ul {
	margin: 10px 0 0;
	padding-left: 20px;
}

.pk-help li + li {
	margin-top: 4px;
}

.pk-btn[disabled] {
	opacity: 0.5;
	cursor: default;
}

/* --------------------------------------------------------------------------
   タブレット以上
   -------------------------------------------------------------------------- */

@media (min-width: 768px) {
	:root {
		--pk-content-width: 760px;
	}

	.pk-header__inner {
		min-height: 64px;
	}

	.pk-logo {
		font-size: 1.3rem;
	}

	.pk-header__auth {
		font-size: 0.85rem;
	}

	.pk-hero {
		padding: 40px 0;
	}

	.pk-hero__title {
		font-size: 1.7rem;
	}

	.pk-cards {
		grid-template-columns: repeat(2, 1fr);
	}

	.pk-entry__title {
		font-size: 1.6rem;
	}

	.pk-auth__title {
		font-size: 1.5rem;
	}
}