:root {
	--okt-green: #0b6b3a;
	--okt-green-dark: #074c2a;
	--okt-green-pale: #edf6f0;
	--okt-ink: #1f2923;
	--okt-muted: #637067;
	--okt-line: #d9e2dc;
	--okt-paper: #ffffff;
	--okt-background: #f5f7f5;
	--okt-radius: 14px;
	--okt-shadow: 0 8px 28px rgba( 24, 53, 35, 0.08 );
	--okt-container: 1180px;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--okt-background);
	color: var(--okt-ink);
	font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
	font-size: 16px;
	line-height: 1.8;
}

a {
	color: var(--okt-green-dark);
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.18em;
}

a:hover,
a:focus-visible {
	color: var(--okt-green);
}

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

.site-container {
	width: min( calc( 100% - 32px ), var(--okt-container) );
	margin-inline: auto;
}

.site-header {
	position: relative;
	z-index: 20;
	background: var(--okt-paper);
	border-bottom: 1px solid var(--okt-line);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 82px;
	gap: 32px;
}

.site-title {
	display: inline-block;
	font-size: clamp( 1.25rem, 2vw, 1.75rem );
	font-weight: 800;
	line-height: 1.3;
	text-decoration: none;
}

.site-tagline {
	margin: 2px 0 0;
	color: var(--okt-muted);
	font-size: 0.82rem;
}

.site-navigation__list,
.site-footer__menu {
	display: flex;
	flex-wrap: wrap;
	gap: 10px 22px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.site-navigation a,
.site-footer a {
	font-weight: 700;
	text-decoration: none;
}

.site-main {
	padding-block: clamp( 40px, 7vw, 88px );
}

.content-layout {
	max-width: 900px;
}

.page-header {
	margin-bottom: 32px;
}

.page-title {
	margin: 0;
	font-size: clamp( 2rem, 5vw, 3.4rem );
	line-height: 1.25;
	letter-spacing: -0.03em;
}

.archive-description {
	margin-top: 16px;
	color: var(--okt-muted);
}

.post-list {
	display: grid;
	gap: 24px;
}

.post-card {
	display: grid;
	grid-template-columns: minmax( 180px, 32% ) 1fr;
	overflow: hidden;
	background: var(--okt-paper);
	border: 1px solid var(--okt-line);
	border-radius: var(--okt-radius);
	box-shadow: var(--okt-shadow);
}

.post-card__image {
	display: block;
	min-height: 220px;
	background: var(--okt-green-pale);
}

.post-card__image img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.post-card__body {
	padding: clamp( 22px, 4vw, 36px );
}

.post-card__title {
	margin: 0;
	font-size: clamp( 1.35rem, 3vw, 1.9rem );
	line-height: 1.4;
}

.post-card__title a {
	text-decoration: none;
}

.post-card__excerpt {
	margin-top: 14px;
	color: var(--okt-muted);
}

.post-card__excerpt > :last-child {
	margin-bottom: 0;
}

.navigation.pagination {
	margin-top: 40px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.page-numbers {
	display: inline-grid;
	place-items: center;
	min-width: 42px;
	min-height: 42px;
	padding: 6px 12px;
	background: var(--okt-paper);
	border: 1px solid var(--okt-line);
	border-radius: 999px;
	text-decoration: none;
}

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

.empty-state {
	padding: clamp( 32px, 6vw, 64px );
	background: var(--okt-paper);
	border: 1px solid var(--okt-line);
	border-radius: var(--okt-radius);
	text-align: center;
}

.site-footer {
	background: var(--okt-green-dark);
	color: #fff;
}

.site-footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding-block: 34px;
}

.site-footer a {
	color: #fff;
}

.site-footer__copyright {
	margin: 0;
	font-size: 0.9rem;
}

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

.screen-reader-text:focus {
	top: 8px;
	left: 8px;
	z-index: 100000;
	width: auto;
	height: auto;
	margin: 0;
	padding: 12px 16px;
	clip: auto;
	background: #fff;
	color: #111;
	font-weight: 700;
}

@media ( max-width: 760px ) {
	.site-header__inner,
	.site-footer__inner {
		align-items: flex-start;
		flex-direction: column;
		padding-block: 20px;
	}

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

	.post-card__image {
		min-height: 210px;
	}
}

.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.screen-reader-text:focus { z-index: 100000; top: 8px; left: 8px; width: auto; height: auto; padding: 12px 16px; clip: auto; background: #fff; color: var(--okt-green-dark); }
.site-navigation { display: flex; align-items: center; gap: 20px; }
.custom-logo { display: block; max-height: 56px; width: auto; }

/* Ver.3.5.3: 一覧画面もサムネイルに依存しない */
.post-card--no-image { grid-template-columns: 88px minmax(0, 1fr); border-left: 4px solid var(--okt-green); }
.post-card__marker { display: grid; place-items: start center; padding-top: 34px; background: var(--okt-green-pale); }
.post-card__marker span { position: relative; width: 30px; height: 30px; border: 7px solid var(--okt-green); border-radius: 50% 50% 50% 0; transform: rotate(-45deg); }
.post-card__marker span::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--okt-green); }
.post-card--no-image .post-card__body { padding-block: 28px; }
@media (max-width: 640px) {
	.post-card--no-image { grid-template-columns: 56px minmax(0, 1fr); }
	.post-card__marker { padding-top: 28px; }
	.post-card__marker span { width: 24px; height: 24px; border-width: 6px; }
}

/* Ver.3.6.2: 全ページ共通のメニューボタン。PCでは通常ナビゲーションを表示します。 */
.menu-toggle {
	display: none;
	align-items: center;
	justify-content: center;
	gap: 10px;
	min-width: 144px;
	padding: 12px 18px;
	border: 1px solid var(--okt-green-dark);
	border-radius: 999px;
	background: var(--okt-green-dark);
	color: #fff;
	font: inherit;
	font-weight: 800;
	letter-spacing: .04em;
	cursor: pointer;
	box-shadow: 0 10px 24px rgba(8,54,31,.16);
}
.menu-toggle:hover,
.menu-toggle:focus-visible {
	background: var(--okt-green);
	border-color: var(--okt-green);
}

/* Ver.3.6 Alpha: モバイルメニューとフッターの情報導線 */
.menu-toggle__icon {
	position: relative;
	display: inline-block;
	width: 22px;
	height: 16px;
}
.menu-toggle__icon::before,
.menu-toggle__icon::after,
.menu-toggle__icon span {
	position: absolute;
	left: 0;
	width: 100%;
	height: 2px;
	border-radius: 999px;
	background: currentColor;
	content: "";
	transition: transform .2s ease, top .2s ease, opacity .2s ease;
}
.menu-toggle__icon::before { top: 0; }
.menu-toggle__icon span { top: 7px; }
.menu-toggle__icon::after { top: 14px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before { top: 7px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon span { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after { top: 7px; transform: rotate(-45deg); }

.site-footer__inner {
	align-items: flex-start;
	padding-block: clamp(42px, 6vw, 72px) 30px;
}
.site-footer__identity { max-width: 340px; }
.site-footer__title {
	margin: 0;
	font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
	font-size: clamp(1.4rem, 2.5vw, 2rem);
	font-weight: 700;
	letter-spacing: -.03em;
}
.site-footer__count {
	margin: 12px 0 0;
	color: rgba(255,255,255,.74);
	font-size: .92rem;
}
.site-footer__navigation { margin-left: auto; }
.site-footer__menu { gap: 12px 28px; }
.site-footer__menu a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding-block: 4px;
	border-bottom: 1px solid transparent;
}
.site-footer__menu a:hover,
.site-footer__menu a:focus-visible { border-bottom-color: rgba(255,255,255,.72); }
.site-footer__copyright {
	width: 100%;
	padding-top: 24px;
	border-top: 1px solid rgba(255,255,255,.16);
	color: rgba(255,255,255,.62);
}

@media (max-width: 900px) {
	.menu-toggle {
		display: inline-flex;
		min-width: 144px;
		justify-content: center;
		padding: 13px 20px;
		border-color: var(--okt-green-dark);
		background: var(--okt-green-dark);
		color: #fff;
		box-shadow: 0 10px 24px rgba(8,54,31,.2);
		letter-spacing: .04em;
	}
	.menu-toggle:hover,
	.menu-toggle:focus-visible {
		background: var(--okt-green);
		border-color: var(--okt-green);
	}
	.site-navigation {
		display: none;
		position: absolute;
		top: calc(100% + 1px);
		right: 16px;
		left: 16px;
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		padding: 16px;
		background: #fff;
		border: 1px solid var(--okt-line);
		border-radius: 16px;
		box-shadow: var(--okt-shadow);
	}
	.site-navigation.is-open { display: flex; }
	.site-navigation__list { display: grid; gap: 0; }
	.site-navigation a { display: block; padding: 12px 10px; }
}

@media (max-width: 760px) {
	.site-footer__inner { gap: 30px; }
	.site-footer__navigation { width: 100%; margin-left: 0; }
	.site-footer__menu { display: grid; gap: 0; }
	.site-footer__menu li { border-top: 1px solid rgba(255,255,255,.14); }
	.site-footer__menu li:last-child { border-bottom: 1px solid rgba(255,255,255,.14); }
	.site-footer__menu a {
		width: 100%;
		justify-content: space-between;
		padding: 15px 2px;
		border-bottom: 0;
	}
	.site-footer__menu a::after { content: "↗"; color: rgba(255,255,255,.58); }
	.site-footer__copyright { margin-top: 4px; }
}

/* Ver.3.6 Alpha 2: フッターを画面幅に左右されないグリッドへ整理 */
.site-footer__inner {
	display: grid;
	grid-template-columns: minmax(220px, 1fr) minmax(300px, auto);
	align-items: start;
	gap: 36px 72px;
}
.site-footer__identity { min-width: 0; max-width: none; }
.site-footer__title { white-space: nowrap; }
.site-footer__count { white-space: nowrap; }
.site-footer__navigation { margin-left: 0; }
.site-footer__menu { justify-content: flex-end; }
.site-footer__copyright { grid-column: 1 / -1; }

@media (max-width: 760px) {
	.site-footer__inner {
		display: grid;
		grid-template-columns: 1fr;
		gap: 28px;
		padding-block: 42px 26px;
	}
	.site-footer__title,
	.site-footer__count { white-space: normal; }
	.site-footer__navigation { width: 100%; }
	.site-footer__menu { display: grid; width: 100%; }
	.site-footer__copyright { grid-column: 1; }
}

/* Ver.3.6 Alpha 3: スマートフォンのブランドとメニューを中央配置 */
@media (max-width: 760px) {
	.site-header__inner {
		align-items: center;
		text-align: center;
	}

	.site-branding {
		width: 100%;
		text-align: center;
	}

	.site-title,
	.site-tagline {
		margin-inline: auto;
	}

	.menu-toggle {
		align-self: center;
		margin-inline: auto;
	}

	.site-navigation {
		width: 100%;
		text-align: left;
	}
}


/* Ver.3.6.5: スマートフォンヘッダーをコンパクトにし、メニュー重複を防ぐ */
@media (max-width: 760px) {
  .site-header__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    min-height: 0;
    padding-block: 14px;
    text-align: left;
  }
  .site-branding {
    width: auto;
    min-width: 0;
    text-align: left;
  }
  .site-title { font-size: clamp(1.3rem, 6vw, 1.75rem); }
  .site-tagline {
    margin-top: 3px;
    font-size: .72rem;
    line-height: 1.55;
  }
  .menu-toggle {
    min-width: 0;
    margin: 0;
    padding: 11px 15px;
    font-size: .88rem;
  }
  .menu-toggle[aria-expanded="true"] {
    background: var(--okt-green-dark);
    color: #fff;
    box-shadow: 0 10px 24px rgba(8,54,31,.18);
  }
  .site-navigation {
    top: calc(100% + 1px);
    width: auto;
    padding: 16px 20px;
    border-radius: 0 0 18px 18px;
  }
  .site-navigation__list li + li { border-top: 1px solid var(--okt-line); }
  .site-navigation a { padding: 15px 4px; }
}

/* AdSense preview placeholders (Ver.3.7.5) */
.adsense-unit{width:min(100%,1100px);margin:clamp(34px,5vw,64px) auto;padding:0 24px}.adsense-placeholder{display:flex;min-height:150px;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #89988f;background:repeating-linear-gradient(135deg,#fafcfb,#fafcfb 12px,#f3f6f4 12px,#f3f6f4 24px);color:#647168;text-align:center}.adsense-placeholder span{font-size:.67rem;font-weight:800;letter-spacing:.2em}.adsense-placeholder strong{margin-top:8px;color:#314038;font-size:1.25rem;letter-spacing:.12em}.adsense-placeholder small{margin-top:7px}.single-park .adsense-unit{max-width:1180px}.single-park .adsense-unit--single-mid{margin-top:12px}.single-park .adsense-unit--single-bottom{margin-top:46px;margin-bottom:28px}@media(max-width:640px){.adsense-unit{padding:0 16px}.adsense-placeholder{min-height:120px}}

/* Ver.3.7.7: 公開準備中の工事看板 */
.site-header__development-notice {
	position: absolute;
	top: 0;
	left: 50%;
	z-index: 30;
	display: flex;
	align-items: center;
	justify-content: center;
	width: min( 46vw, 620px );
	min-height: 44px;
	padding: 8px 30px 9px;
	transform: translateX( -50% );
	border-right: 7px solid #111;
	border-left: 7px solid #111;
	border-radius: 0 0 16px 16px;
	background: #ffd900;
	box-shadow: 0 4px 12px rgba( 18, 24, 20, 0.12 );
	color: #151515;
	font-size: 0.9rem;
	font-weight: 800;
	line-height: 1.3;
	letter-spacing: 0.04em;
	text-align: center;
}

.site-header__development-notice::before,
.site-header__development-notice::after {
	content: "";
	position: absolute;
	bottom: 0;
	width: 22px;
	height: 6px;
	background: #111;
	opacity: 0.94;
}

.site-header__development-notice::before { left: 0; }
.site-header__development-notice::after { right: 0; }

.site-footer__x-mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.05em;
	font-weight: 800;
	line-height: 1;
}

@media (max-width: 1080px) {
	.site-header.has-development-notice .site-header__inner {
		padding-top: 52px;
	}

	.site-header__development-notice {
		width: min( calc( 100% - 64px ), 620px );
	}
}

@media (max-width: 760px) {
	.site-header.has-development-notice .site-header__inner {
		padding-top: 54px;
	}

	.site-header__development-notice {
		width: calc( 100% - 32px );
		min-height: 40px;
		padding: 8px 18px 9px;
		border-right-width: 5px;
		border-left-width: 5px;
		border-radius: 0 0 14px 14px;
		font-size: 0.78rem;
		letter-spacing: 0.025em;
	}
}

@media (max-width: 390px) {
	.site-header__development-notice {
		width: calc( 100% - 20px );
		padding-inline: 12px;
		font-size: 0.74rem;
	}
}