/*
Theme Name: Kasukabe Phil Official
Theme URI: https://kasukabepo.jimdofree.com/
Author: Codex / 春日部フィルハーモニー管弦楽団
Description: Revelチケットサイトのブランドデザインと揃えた春日部フィル公式サイト専用テーマ。
Version: 2.2.8
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: kasukabe-phil
*/

:root {
	--kp-background: hsl(0 0% 100%);
	--kp-foreground: hsl(173 40% 8%);
	--kp-primary: hsl(270 70% 48%);
	--kp-primary-dark: hsl(270 70% 38%);
	--kp-primary-soft: hsl(270 70% 96%);
	--kp-secondary: hsl(226 95% 85%);
	--kp-secondary-foreground: hsl(226 65% 20%);
	--kp-muted: hsl(220 20% 96%);
	--kp-muted-foreground: hsl(268 18% 32%);
	--kp-accent: hsl(3 76% 44%);
	--kp-highlight: hsl(38 94% 56%);
	--kp-border: hsl(220 16% 84%);
	--kp-radius: 1.25rem;
	--kp-shadow: 0 16px 44px rgb(21 11 31 / 0.1);
	--kp-content-width: 72rem;
	--kp-text-width: 52rem;
	--kp-header-height: 4rem;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--kp-background);
	color: var(--kp-foreground);
	font-family:
		"Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui,
		-apple-system, sans-serif;
	line-height: 1.75;
	-webkit-font-smoothing: antialiased;
}

body.admin-bar .kp-site-header {
	top: 32px;
}

a {
	color: var(--kp-primary);
	text-decoration-thickness: 0.08em;
	text-underline-offset: 0.18em;
}

a:hover {
	color: var(--kp-primary-dark);
}

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

button,
input,
select,
textarea {
	font: inherit;
}

.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: 0.75rem;
	left: 0.75rem;
	width: auto;
	height: auto;
	margin: 0;
	padding: 0.75rem 1rem;
	clip: auto;
	background: var(--kp-primary);
	color: #fff;
	border-radius: 0.75rem;
}

.kp-container {
	width: min(calc(100% - 2rem), var(--kp-content-width));
	margin-inline: auto;
}

.kp-site-header {
	position: sticky;
	z-index: 1000;
	top: 0;
	min-height: var(--kp-header-height);
	padding-top: env(safe-area-inset-top);
	border-bottom: 1px solid var(--kp-border);
	background: rgb(255 255 255 / 0.95);
	backdrop-filter: blur(12px);
}

.kp-header-inner {
	display: flex;
	min-height: var(--kp-header-height);
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
}

.kp-brand {
	display: inline-flex;
	min-width: 0;
	align-items: center;
	gap: 0.75rem;
	color: var(--kp-foreground);
	text-decoration: none;
}

.kp-brand:hover {
	color: var(--kp-foreground);
	opacity: 0.82;
}

.kp-brand img {
	width: 11rem;
	height: 2.75rem;
	object-fit: contain;
	background: #fff;
}

.kp-brand-name {
	display: none;
	white-space: nowrap;
	font-size: 0.875rem;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.kp-primary-nav {
	display: flex;
	align-items: center;
	gap: 0.35rem;
}

.kp-primary-nav ul {
	display: flex;
	align-items: center;
	gap: 0.15rem;
	margin: 0;
	padding: 0;
	list-style: none;
}

.kp-primary-nav a {
	display: inline-flex;
	align-items: center;
	min-height: 2.5rem;
	padding: 0.35rem 0.72rem;
	color: var(--kp-muted-foreground);
	border-radius: 0.75rem;
	font-size: 0.875rem;
	font-weight: 700;
	text-decoration: none;
	transition:
		background-color 160ms ease,
		color 160ms ease;
}

.kp-primary-nav a:hover,
.kp-primary-nav .current-menu-item > a,
.kp-primary-nav .current_page_item > a {
	background: var(--kp-primary-soft);
	color: var(--kp-primary);
}

.kp-ticket-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 2.5rem;
	padding: 0.55rem 1rem;
	background: var(--kp-primary);
	color: #fff;
	border-radius: 0.8rem;
	font-size: 0.875rem;
	font-weight: 800;
	text-decoration: none;
}

.kp-ticket-link:hover {
	background: var(--kp-primary-dark);
	color: #fff;
}

.kp-menu-toggle {
	display: none;
	width: 2.75rem;
	height: 2.75rem;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: 1px solid var(--kp-border);
	background: #fff;
	color: var(--kp-foreground);
	border-radius: 0.75rem;
	cursor: pointer;
}

.kp-menu-toggle svg {
	width: 1.5rem;
	height: 1.5rem;
}

.kp-hero {
	position: relative;
	isolation: isolate;
	display: grid;
	min-height: clamp(31rem, 68vh, 45rem);
	align-items: end;
	overflow: hidden;
	background:
		linear-gradient(90deg, rgb(14 7 20 / 0.88), rgb(14 7 20 / 0.25)),
		url("assets/images/home-hero.jpg") center 42% / cover no-repeat;
	color: #fff;
}

.kp-hero::after {
	position: absolute;
	z-index: -1;
	inset: auto -8rem -12rem auto;
	width: 28rem;
	height: 28rem;
	content: "";
	border-radius: 50%;
	background: radial-gradient(
		circle at 35% 35%,
		color-mix(in srgb, var(--kp-highlight) 80%, transparent),
		color-mix(in srgb, var(--kp-accent) 60%, transparent) 45%,
		transparent 70%
	);
	filter: blur(10px);
	opacity: 0.6;
}

.kp-hero-content {
	max-width: 50rem;
	padding-block: clamp(5rem, 10vw, 8rem);
}

.kp-eyebrow {
	margin: 0;
	color: hsl(270 100% 87%);
	font-size: 0.78rem;
	font-weight: 900;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.kp-hero h1 {
	max-width: 14em;
	margin: 0.75rem 0 0;
	font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
	font-size: clamp(2.25rem, 7vw, 5rem);
	line-height: 1.22;
	letter-spacing: 0.02em;
	text-wrap: balance;
}

.kp-hero-lead {
	max-width: 40rem;
	margin: 1.25rem 0 0;
	color: rgb(255 255 255 / 0.9);
	font-size: clamp(1rem, 2vw, 1.2rem);
	line-height: 1.9;
}

.kp-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 2rem;
}

.kp-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 3rem;
	padding: 0.65rem 1.2rem;
	border: 1px solid transparent;
	border-radius: 0.9rem;
	font-weight: 800;
	text-decoration: none;
}

.kp-button-primary {
	background: var(--kp-primary);
	color: #fff;
}

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

.kp-button-ghost {
	border-color: rgb(255 255 255 / 0.5);
	background: rgb(255 255 255 / 0.12);
	color: #fff;
	backdrop-filter: blur(8px);
}

.kp-button-ghost:hover {
	background: #fff;
	color: var(--kp-foreground);
}

.kp-page-hero {
	padding-block: clamp(3.5rem, 8vw, 6rem);
	border-bottom: 1px solid var(--kp-border);
	background:
		radial-gradient(
			circle at 90% 10%,
			hsl(38 94% 56% / 0.22),
			transparent 28rem
		),
		linear-gradient(145deg, var(--kp-primary-soft), #fff 58%);
}

.kp-page-hero h1 {
	max-width: 20em;
	margin: 0.6rem 0 0;
	font-size: clamp(2rem, 5vw, 3.5rem);
	line-height: 1.25;
	letter-spacing: -0.03em;
	text-wrap: balance;
}

.kp-content-section {
	padding-block: clamp(3rem, 7vw, 6rem);
}

.kp-content-shell {
	max-width: var(--kp-text-width);
	margin-inline: auto;
}

.kp-migrated-content {
	font-size: 1rem;
}

.kp-migrated-content > *:first-child {
	margin-top: 0;
}

.kp-migrated-content h2,
.kp-migrated-content h3,
.kp-migrated-content h4,
.kp-migrated-content h5,
.kp-migrated-content h6 {
	margin: 2.5rem 0 1rem;
	color: var(--kp-foreground);
	line-height: 1.4;
	text-wrap: balance;
}

.kp-migrated-content h2 {
	padding-bottom: 0.65rem;
	border-bottom: 3px solid var(--kp-primary);
	font-size: clamp(1.65rem, 4vw, 2.25rem);
}

.kp-migrated-content h3 {
	font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.kp-migrated-content h6 {
	font-size: 1.05rem;
}

.kp-migrated-content p {
	margin: 0.65rem 0;
}

.kp-migrated-content hr {
	height: 1px;
	margin: 3rem 0;
	border: 0;
	background: var(--kp-border);
}

.kp-migrated-content figure {
	margin: 1.75rem auto;
}

.kp-migrated-content img {
	width: auto;
	max-height: 56rem;
	margin-inline: auto;
	border-radius: var(--kp-radius);
	box-shadow: var(--kp-shadow);
	object-fit: contain;
}

.kp-migrated-content iframe {
	width: 100%;
	min-height: 28rem;
	border: 0;
	border-radius: var(--kp-radius);
}

.kp-migrated-content table {
	display: block;
	width: 100%;
	overflow-x: auto;
	border-collapse: collapse;
}

.kp-migrated-content th,
.kp-migrated-content td {
	padding: 0.75rem;
	border: 1px solid var(--kp-border);
}

.kp-feature-links {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 1rem;
	margin-top: 3rem;
}

.kp-feature-card {
	display: flex;
	min-height: 11rem;
	flex-direction: column;
	justify-content: space-between;
	padding: 1.4rem;
	border: 1px solid var(--kp-border);
	background: #fff;
	color: var(--kp-foreground);
	border-radius: var(--kp-radius);
	box-shadow: 0 8px 26px rgb(21 11 31 / 0.06);
	text-decoration: none;
	transition:
		transform 160ms ease,
		box-shadow 160ms ease;
}

.kp-feature-card:hover {
	color: var(--kp-foreground);
	box-shadow: var(--kp-shadow);
	transform: translateY(-3px);
}

.kp-feature-card strong {
	font-size: 1.15rem;
}

.kp-feature-card span {
	color: var(--kp-muted-foreground);
	font-size: 0.88rem;
}

.kp-concert-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1.5rem;
}

.kp-concert-card {
	overflow: hidden;
	border: 1px solid var(--kp-border);
	background: #fff;
	border-radius: var(--kp-radius);
	box-shadow: 0 10px 30px rgb(21 11 31 / 0.07);
}

.kp-concert-card-image {
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: var(--kp-muted);
}

.kp-concert-card-image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 220ms ease;
}

.kp-concert-card:hover .kp-concert-card-image img {
	transform: scale(1.025);
}

.kp-concert-card-body {
	padding: 1.35rem;
}

.kp-concert-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem 0.9rem;
	margin-bottom: 0.7rem;
	color: var(--kp-muted-foreground);
	font-size: 0.82rem;
	font-weight: 700;
}

.kp-concert-card h2 {
	margin: 0;
	font-size: 1.28rem;
	line-height: 1.45;
}

.kp-concert-card h2 a {
	color: var(--kp-foreground);
	text-decoration: none;
}

.kp-concert-card h2 a:hover {
	color: var(--kp-primary);
}

.kp-concert-excerpt {
	display: -webkit-box;
	margin-top: 0.85rem;
	overflow: hidden;
	color: var(--kp-muted-foreground);
	font-size: 0.92rem;
	-webkit-box-orient: vertical;
	-webkit-line-clamp: 3;
}

.kp-single-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 0.65rem;
	margin-top: 1.35rem;
}

.kp-meta-chip {
	display: inline-flex;
	align-items: center;
	padding: 0.4rem 0.75rem;
	background: #fff;
	color: var(--kp-muted-foreground);
	border: 1px solid var(--kp-border);
	border-radius: 999px;
	font-size: 0.85rem;
	font-weight: 700;
}

.kp-back-link {
	display: inline-flex;
	margin-top: 2.5rem;
	font-weight: 800;
}

.kp-contact-form {
	display: grid;
	gap: 1.15rem;
	margin-top: 2rem;
	padding: clamp(1.25rem, 4vw, 2rem);
	border: 1px solid var(--kp-border);
	background: var(--kp-muted);
	border-radius: var(--kp-radius);
}

.kp-form-row {
	display: grid;
	gap: 0.45rem;
}

.kp-form-row label {
	font-weight: 800;
}

.kp-required {
	margin-left: 0.3rem;
	color: var(--kp-accent);
	font-size: 0.76rem;
}

.kp-contact-form input:not([type="checkbox"]),
.kp-contact-form select,
.kp-contact-form textarea {
	width: 100%;
	padding: 0.78rem 0.9rem;
	border: 1px solid var(--kp-border);
	background: #fff;
	color: var(--kp-foreground);
	border-radius: 0.75rem;
}

.kp-contact-form textarea {
	min-height: 12rem;
	resize: vertical;
}

.kp-contact-form input:focus,
.kp-contact-form select:focus,
.kp-contact-form textarea:focus {
	border-color: var(--kp-primary);
	outline: 3px solid hsl(270 70% 48% / 0.2);
}

.kp-honeypot {
	position: absolute;
	left: -9999px;
}

.kp-form-status {
	margin: 0 0 1.25rem;
	padding: 1rem 1.15rem;
	border-radius: 0.9rem;
	font-weight: 700;
}

.kp-form-status-success {
	border: 1px solid hsl(152 60% 34%);
	background: hsl(152 60% 95%);
	color: hsl(152 65% 23%);
}

.kp-form-status-error {
	border: 1px solid var(--kp-accent);
	background: hsl(3 76% 96%);
	color: hsl(3 76% 30%);
}

.kp-site-footer {
	border-top: 1px solid var(--kp-border);
	background: #fff;
}

.kp-footer-main {
	display: grid;
	grid-template-columns: 1.3fr 0.7fr;
	gap: 2rem;
	padding-block: 2.5rem;
}

.kp-footer-brand {
	margin: 0;
	font-size: 1.12rem;
	font-weight: 800;
}

.kp-footer-contact {
	text-align: right;
}

.kp-footer-contact h2 {
	margin: 0;
	font-size: 1rem;
}

.kp-footer-contact p {
	margin: 0.45rem 0 0;
	color: var(--kp-muted-foreground);
	font-size: 0.9rem;
}

.kp-footer-bottom {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	padding-block: 1.25rem;
	border-top: 1px solid var(--kp-border);
	color: var(--kp-muted-foreground);
	font-size: 0.75rem;
}

.kp-footer-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.kp-footer-links a {
	color: inherit;
}

.kp-pagination {
	margin-top: 2.5rem;
}

.kp-pagination .nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
}

.kp-pagination a,
.kp-pagination span {
	display: inline-flex;
	min-width: 2.6rem;
	min-height: 2.6rem;
	align-items: center;
	justify-content: center;
	padding: 0.35rem 0.75rem;
	border: 1px solid var(--kp-border);
	border-radius: 0.7rem;
	text-decoration: none;
}

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

@media (min-width: 1180px) {
	.kp-brand-name {
		display: inline;
	}
}

@media (max-width: 960px) {
	.kp-menu-toggle {
		display: inline-flex;
	}

	.kp-primary-nav {
		position: absolute;
		top: calc(100% + 1px);
		right: 1rem;
		left: 1rem;
		display: none;
		align-items: stretch;
		padding: 0.75rem;
		border: 1px solid var(--kp-border);
		background: #fff;
		border-radius: 0 0 1rem 1rem;
		box-shadow: var(--kp-shadow);
	}

	.kp-primary-nav.is-open {
		display: block;
	}

	.kp-primary-nav ul {
		display: grid;
		gap: 0.25rem;
	}

	.kp-primary-nav a,
	.kp-ticket-link {
		width: 100%;
		justify-content: flex-start;
	}

	.kp-ticket-link {
		margin-top: 0.45rem;
	}

	.kp-feature-links {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 700px) {
	body.admin-bar .kp-site-header {
		top: 46px;
	}

	.kp-brand img {
		width: 9.25rem;
	}

	.kp-hero {
		min-height: 36rem;
		background-position: 62% center;
	}

	.kp-hero-content {
		padding-block: 5rem 3.5rem;
	}

	.kp-concert-grid,
	.kp-footer-main {
		grid-template-columns: 1fr;
	}

	.kp-footer-contact {
		text-align: left;
	}

	.kp-footer-bottom {
		align-items: flex-start;
		flex-direction: column;
	}

	.kp-migrated-content iframe {
		min-height: 15rem;
	}
}

@media (max-width: 480px) {
	.kp-feature-links {
		grid-template-columns: 1fr;
	}

	.kp-actions,
	.kp-button {
		width: 100%;
	}

	input:not([type="checkbox"]):not([type="radio"]),
	select,
	textarea {
		font-size: 16px;
	}
}

@media (prefers-reduced-motion: reduce) {
	* {
		scroll-behavior: auto !important;
		transition: none !important;
	}
}