/*
Theme Name: Koyomi Campus
Theme URI: https://campus-life.tokyo/
Author: Koyomi Campus
Description: 日付・年・年齢・季節を調べるデータベース型ポータルの専用テーマです。
Version: 0.1.3
Requires at least: 6.6
Requires PHP: 7.4
Text Domain: koyomi-campus
*/

:root {
	--kc-ink: #17233a;
	--kc-ink-soft: #445066;
	--kc-paper: #f7f4ec;
	--kc-paper-deep: #eee8dc;
	--kc-surface: #ffffff;
	--kc-line: #d9d4c8;
	--kc-brand: #245b52;
	--kc-brand-dark: #153f39;
	--kc-brand-pale: #e2efe9;
	--kc-today: #a84f32;
	--kc-today-pale: #f7e9e3;
	--kc-year: #365f82;
	--kc-year-pale: #e6eef5;
	--kc-born: #3d7158;
	--kc-born-pale: #e5f0e9;
	--kc-season: #8b6126;
	--kc-season-pale: #f4ecd9;
	--kc-focus: #005fcc;
	--kc-radius: 18px;
	--kc-radius-small: 10px;
	--kc-shadow: 0 14px 36px rgba(23, 35, 58, 0.08);
	--kc-container: 1180px;
	--kc-readable: 760px;
	--kc-header-height: 72px;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--kc-paper);
	color: var(--kc-ink);
	font-family:
		-apple-system,
		BlinkMacSystemFont,
		"Segoe UI",
		"Hiragino Sans",
		"Hiragino Kaku Gothic ProN",
		"Yu Gothic",
		Meiryo,
		sans-serif;
	font-size: 17px;
	font-weight: 400;
	line-height: 1.8;
	overflow-wrap: anywhere;
}

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

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

a:hover {
	color: var(--kc-today);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
	outline: 3px solid var(--kc-focus);
	outline-offset: 3px;
	border-radius: 4px;
}

.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 {
	position: fixed;
	z-index: 100000;
	top: 12px;
	left: 12px;
	width: auto;
	height: auto;
	padding: 12px 18px;
	clip: auto;
	background: var(--kc-surface);
	color: var(--kc-ink);
	font-weight: 700;
	box-shadow: var(--kc-shadow);
}

.kc-container {
	width: min(calc(100% - 40px), var(--kc-container));
	margin-inline: auto;
}

.kc-readable {
	width: min(100%, var(--kc-readable));
}

.site-header {
	position: sticky;
	z-index: 100;
	top: 0;
	border-bottom: 1px solid rgba(36, 91, 82, 0.16);
	background: rgba(247, 244, 236, 0.96);
	backdrop-filter: blur(12px);
}

.site-header__inner {
	display: flex;
	align-items: center;
	min-height: var(--kc-header-height);
	gap: 28px;
}

.site-brand {
	display: inline-flex;
	flex: 0 0 auto;
	align-items: center;
	gap: 11px;
	color: var(--kc-ink);
	font-size: 20px;
	font-weight: 800;
	letter-spacing: 0.05em;
	text-decoration: none;
}

.site-brand__mark {
	display: grid;
	width: 38px;
	height: 38px;
	place-items: center;
	border-radius: 11px;
	background: var(--kc-brand);
	color: #fff;
}

.site-brand__mark svg {
	width: 24px;
	height: 24px;
}

.site-nav {
	min-width: 0;
	margin-left: auto;
}

.site-nav ul {
	display: flex;
	align-items: center;
	gap: 4px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.site-nav a {
	display: block;
	padding: 10px 12px;
	border-radius: 9px;
	color: var(--kc-ink);
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
	white-space: nowrap;
}

.site-nav a:hover,
.site-nav .current-menu-item > a,
.site-nav .current_page_item > a {
	background: var(--kc-brand-pale);
	color: var(--kc-brand-dark);
}

.site-main {
	min-height: 65vh;
}

.kc-hero {
	position: relative;
	padding: clamp(52px, 8vw, 96px) 0 58px;
	overflow: hidden;
}

.kc-hero::after {
	position: absolute;
	z-index: -1;
	top: 18px;
	right: max(4vw, calc((100vw - var(--kc-container)) / 2));
	width: min(34vw, 430px);
	aspect-ratio: 1;
	border: 1px solid rgba(36, 91, 82, 0.13);
	border-radius: 50%;
	background:
		repeating-conic-gradient(
			from 0deg,
			rgba(36, 91, 82, 0.07) 0deg 1deg,
			transparent 1deg 30deg
		);
	content: "";
}

.kc-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	margin: 0 0 14px;
	color: var(--kc-brand);
	font-size: 13px;
	font-weight: 800;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.kc-eyebrow::before {
	width: 28px;
	height: 2px;
	background: currentColor;
	content: "";
}

.kc-hero h1,
.kc-page-hero h1 {
	max-width: 820px;
	margin: 0;
	font-family:
		"Yu Mincho",
		"YuMincho",
		"Hiragino Mincho ProN",
		serif;
	font-size: clamp(38px, 6.5vw, 76px);
	font-weight: 700;
	letter-spacing: 0.035em;
	line-height: 1.22;
}

.kc-hero__lead {
	max-width: 700px;
	margin: 20px 0 0;
	color: var(--kc-ink-soft);
	font-size: clamp(17px, 2vw, 21px);
	line-height: 1.85;
}

.kc-today-panel {
	display: grid;
	grid-template-columns: minmax(220px, 0.75fr) minmax(0, 1.25fr);
	margin-top: 38px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
	box-shadow: var(--kc-shadow);
	overflow: hidden;
}

.kc-today-panel__date {
	display: flex;
	min-height: 176px;
	flex-direction: column;
	justify-content: center;
	padding: 28px 32px;
	background: var(--kc-brand);
	color: #fff;
}

.kc-today-panel__date small {
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.1em;
}

.kc-today-panel__date strong {
	margin-top: 4px;
	font-family: "Yu Mincho", "YuMincho", serif;
	font-size: clamp(27px, 4vw, 42px);
	line-height: 1.3;
}

.kc-today-panel__content {
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 28px 34px;
}

.kc-today-panel__content h2 {
	margin: 0 0 8px;
	font-size: 22px;
	line-height: 1.45;
}

.kc-today-panel__content p {
	margin: 0 0 18px;
	color: var(--kc-ink-soft);
}

.kc-button {
	display: inline-flex;
	width: fit-content;
	align-items: center;
	gap: 8px;
	padding: 10px 17px;
	border: 1px solid var(--kc-brand);
	border-radius: 999px;
	background: var(--kc-brand);
	color: #fff;
	font-size: 14px;
	font-weight: 800;
	text-decoration: none;
}

.kc-button:hover {
	background: var(--kc-brand-dark);
	color: #fff;
}

.kc-button--ghost {
	background: transparent;
	color: var(--kc-brand-dark);
}

.kc-section {
	padding: clamp(48px, 7vw, 82px) 0;
}

.kc-section--surface {
	border-block: 1px solid var(--kc-line);
	background: var(--kc-surface);
}

.kc-section__head {
	display: flex;
	align-items: end;
	justify-content: space-between;
	gap: 28px;
	margin-bottom: 26px;
}

.kc-section__head h2 {
	margin: 0;
	font-size: clamp(28px, 4vw, 40px);
	line-height: 1.35;
}

.kc-section__head p {
	max-width: 500px;
	margin: 0;
	color: var(--kc-ink-soft);
}

.kc-directory-grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 16px;
}

.kc-directory-card {
	--card-color: var(--kc-brand);
	--card-pale: var(--kc-brand-pale);
	position: relative;
	display: flex;
	min-height: 320px;
	flex-direction: column;
	padding: 24px;
	border: 1px solid var(--kc-line);
	border-top: 5px solid var(--card-color);
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
	box-shadow: 0 8px 24px rgba(23, 35, 58, 0.05);
	transition:
		transform 160ms ease,
		box-shadow 160ms ease;
}

.kc-directory-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--kc-shadow);
}

.kc-directory-card--today {
	--card-color: var(--kc-today);
	--card-pale: var(--kc-today-pale);
}

.kc-directory-card--year {
	--card-color: var(--kc-year);
	--card-pale: var(--kc-year-pale);
}

.kc-directory-card--born {
	--card-color: var(--kc-born);
	--card-pale: var(--kc-born-pale);
}

.kc-directory-card--season {
	--card-color: var(--kc-season);
	--card-pale: var(--kc-season-pale);
}

.kc-directory-card__icon {
	display: grid;
	width: 52px;
	height: 52px;
	place-items: center;
	border-radius: 14px;
	background: var(--card-pale);
	color: var(--card-color);
}

.kc-directory-card__icon svg {
	width: 28px;
	height: 28px;
}

.kc-directory-card__label {
	margin: 24px 0 0;
	color: var(--card-color);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}

.kc-directory-card h3 {
	margin: 5px 0 10px;
	font-size: 23px;
	line-height: 1.4;
}

.kc-directory-card p {
	margin: 0 0 22px;
	color: var(--kc-ink-soft);
	font-size: 15px;
}

.kc-directory-card__link {
	margin-top: auto;
	color: var(--card-color);
	font-size: 14px;
	font-weight: 800;
	text-decoration: none;
}

.kc-directory-card__link::after {
	margin-left: 0.4em;
	content: "→";
}

.kc-link-groups {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 18px;
}

.kc-link-group {
	padding: 24px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius);
	background: var(--kc-paper);
}

.kc-link-group h3 {
	margin: 0 0 14px;
	font-size: 19px;
}

.kc-link-group--archive {
	margin-bottom: 28px;
}

.kc-link-group--archive h2 {
	margin: 0 0 14px;
	font-size: 20px;
}

.kc-chip-list {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.kc-chip-list a {
	display: inline-flex;
	min-height: 42px;
	align-items: center;
	justify-content: center;
	padding: 7px 13px;
	border: 1px solid var(--kc-line);
	border-radius: 999px;
	background: var(--kc-surface);
	color: var(--kc-ink);
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
}

.kc-chip-list a:hover {
	border-color: var(--kc-brand);
	background: var(--kc-brand-pale);
}

.kc-principles {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 18px;
}

.kc-principle {
	padding: 25px;
	border-left: 3px solid var(--kc-brand);
	background: var(--kc-paper);
}

.kc-principle strong {
	display: block;
	margin-bottom: 7px;
	font-size: 18px;
}

.kc-principle p {
	margin: 0;
	color: var(--kc-ink-soft);
	font-size: 15px;
}

.kc-page-hero {
	padding: clamp(46px, 7vw, 78px) 0 34px;
	border-bottom: 1px solid var(--kc-line);
}

.kc-page-hero h1 {
	font-size: clamp(35px, 5vw, 58px);
}

.kc-page-hero__lead {
	max-width: 720px;
	margin: 17px 0 0;
	color: var(--kc-ink-soft);
	font-size: 18px;
}

.kc-breadcrumbs {
	padding: 18px 0 0;
	color: var(--kc-ink-soft);
	font-size: 13px;
}

.kc-breadcrumbs ol {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.kc-breadcrumbs li:not(:last-child)::after {
	margin-left: 6px;
	color: #8790a0;
	content: "/";
}

.kc-archive-grid,
.kc-post-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 17px;
}

.kc-entry-card {
	display: flex;
	min-height: 210px;
	flex-direction: column;
	padding: 23px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
}

.kc-entry-card__meta {
	margin: 0 0 9px;
	color: var(--kc-brand);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.08em;
}

.kc-entry-card h2,
.kc-entry-card h3 {
	margin: 0 0 9px;
	font-size: 20px;
	line-height: 1.5;
}

.kc-entry-card h2 a,
.kc-entry-card h3 a {
	color: var(--kc-ink);
	text-decoration: none;
}

.kc-entry-card p {
	margin: 0 0 16px;
	color: var(--kc-ink-soft);
	font-size: 15px;
}

.kc-entry-card__link {
	margin-top: auto;
	font-size: 14px;
	font-weight: 800;
	text-decoration: none;
}

.kc-empty-state {
	padding: 38px;
	border: 1px dashed #a9b0b9;
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
	text-align: center;
}

.kc-empty-state h2 {
	margin: 0 0 8px;
	font-size: 24px;
}

.kc-empty-state p {
	max-width: 620px;
	margin: 0 auto;
	color: var(--kc-ink-soft);
}

.kc-article {
	padding: 50px 0 80px;
}

.kc-article__layout {
	display: grid;
	grid-template-columns: minmax(0, var(--kc-readable)) minmax(180px, 1fr);
	align-items: start;
	gap: 52px;
}

.kc-article__content > *:first-child {
	margin-top: 0;
}

.kc-article__content h2 {
	margin: 2.4em 0 0.8em;
	padding-bottom: 0.35em;
	border-bottom: 2px solid var(--kc-brand);
	font-size: clamp(25px, 3vw, 32px);
	line-height: 1.45;
}

.kc-article__content h3 {
	margin: 2em 0 0.65em;
	font-size: 22px;
	line-height: 1.5;
}

.kc-article__content p,
.kc-article__content ul,
.kc-article__content ol {
	margin-block: 1.1em;
}

.kc-answer {
	padding: 24px 26px;
	border-left: 5px solid var(--kc-brand);
	border-radius: 0 var(--kc-radius-small) var(--kc-radius-small) 0;
	background: var(--kc-brand-pale);
}

.kc-answer strong {
	display: block;
	margin-bottom: 5px;
	font-size: 13px;
	letter-spacing: 0.08em;
}

.kc-table-scroll {
	max-width: 100%;
	margin: 28px 0;
	overflow-x: auto;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius-small);
	background: var(--kc-surface);
	-webkit-overflow-scrolling: touch;
}

.kc-table-scroll table,
.kc-article table {
	width: 100%;
	min-width: 640px;
	border-collapse: collapse;
}

.kc-table-scroll th,
.kc-table-scroll td,
.kc-article th,
.kc-article td {
	padding: 13px 15px;
	border-bottom: 1px solid var(--kc-line);
	text-align: left;
	vertical-align: middle;
}

.kc-table-scroll th,
.kc-article th {
	background: var(--kc-brand-pale);
	font-size: 14px;
}

.kc-source-box {
	margin-top: 42px;
	padding: 24px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
}

.kc-source-box h2 {
	margin: 0 0 12px;
	padding: 0;
	border: 0;
	font-size: 20px;
}

.kc-source-box p {
	margin: 0;
	color: var(--kc-ink-soft);
	font-size: 14px;
}

.kc-article-meta {
	position: sticky;
	top: calc(var(--kc-header-height) + 22px);
	padding: 22px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius);
	background: var(--kc-surface);
	font-size: 14px;
}

.kc-article-meta dl {
	margin: 0;
}

.kc-article-meta dt {
	margin-top: 13px;
	color: var(--kc-ink-soft);
	font-size: 12px;
	font-weight: 700;
}

.kc-article-meta dt:first-child {
	margin-top: 0;
}

.kc-article-meta dd {
	margin: 2px 0 0;
	font-weight: 700;
}

.kc-prev-next {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 14px;
	margin-top: 34px;
}

.kc-prev-next a {
	display: block;
	padding: 15px 18px;
	border: 1px solid var(--kc-line);
	border-radius: var(--kc-radius-small);
	background: var(--kc-surface);
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
}

.navigation.pagination {
	margin-top: 34px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 7px;
}

.page-numbers {
	display: grid;
	min-width: 42px;
	min-height: 42px;
	place-items: center;
	padding: 6px 10px;
	border: 1px solid var(--kc-line);
	border-radius: 8px;
	background: var(--kc-surface);
	text-decoration: none;
}

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

.site-footer {
	padding: 46px 0 26px;
	border-top: 1px solid var(--kc-line);
	background: var(--kc-ink);
	color: #e8edf4;
}

.site-footer__grid {
	display: grid;
	grid-template-columns: 1.2fr 1fr 1fr;
	gap: 34px;
}

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

.site-footer p {
	margin: 15px 0 0;
	color: #bbc5d3;
	font-size: 14px;
}

.site-footer h2 {
	margin: 0 0 12px;
	color: #fff;
	font-size: 14px;
	letter-spacing: 0.08em;
}

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

.site-footer li + li {
	margin-top: 7px;
}

.site-footer a {
	color: #e8edf4;
	font-size: 14px;
	text-decoration: none;
}

.site-footer__bottom {
	display: flex;
	justify-content: space-between;
	gap: 20px;
	padding-top: 24px;
	margin-top: 34px;
	border-top: 1px solid rgba(255, 255, 255, 0.14);
	color: #aeb8c7;
	font-size: 12px;
}

.kc-search-form {
	display: flex;
	max-width: 620px;
	gap: 8px;
}

.kc-search-form input[type="search"] {
	width: 100%;
	min-height: 48px;
	padding: 10px 14px;
	border: 1px solid var(--kc-line);
	border-radius: 10px;
	background: var(--kc-surface);
	font: inherit;
}

.kc-search-form button {
	flex: 0 0 auto;
	padding: 10px 18px;
	border: 0;
	border-radius: 10px;
	background: var(--kc-brand);
	color: #fff;
	font: inherit;
	font-weight: 800;
	cursor: pointer;
}

@media (max-width: 980px) {
	.site-header__inner {
		display: block;
		padding-block: 12px;
	}

	.site-nav {
		margin: 8px -20px -12px;
		overflow-x: auto;
		border-top: 1px solid var(--kc-line);
	}

	.site-nav ul {
		width: max-content;
		min-width: 100%;
		padding: 6px 20px;
	}

	.kc-directory-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.kc-directory-card {
		min-height: 290px;
	}

	.kc-archive-grid,
	.kc-post-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.kc-article__layout {
		grid-template-columns: 1fr;
	}

	.kc-article-meta {
		position: static;
		width: min(100%, var(--kc-readable));
	}
}

@media (max-width: 680px) {
	body {
		font-size: 16px;
	}

	.kc-container {
		width: min(calc(100% - 28px), var(--kc-container));
	}

	.site-brand {
		font-size: 18px;
	}

	.site-brand__mark {
		width: 34px;
		height: 34px;
	}

	.site-nav {
		margin-inline: -14px;
	}

	.site-nav ul {
		padding-inline: 14px;
	}

	.kc-hero {
		padding-top: 42px;
	}

	.kc-hero::after {
		right: -90px;
		width: 280px;
	}

	.kc-today-panel {
		grid-template-columns: 1fr;
	}

	.kc-today-panel__date {
		min-height: 0;
		padding: 22px;
	}

	.kc-today-panel__content {
		padding: 22px;
	}

	.kc-section__head {
		display: block;
	}

	.kc-section__head p {
		margin-top: 10px;
	}

	.kc-directory-grid,
	.kc-link-groups,
	.kc-principles,
	.kc-archive-grid,
	.kc-post-grid,
	.site-footer__grid {
		grid-template-columns: 1fr;
	}

	.kc-directory-card {
		min-height: 0;
	}

	.kc-prev-next {
		grid-template-columns: 1fr;
	}

	.site-footer__bottom {
		display: block;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}