/*
 * サイト全体の共通スタイル。
 *
 * デザイントークンは tokens.css、ボタンは button-system.css、ページ固有の見た目は各ページCSSで管理する。
 * このファイルはブラウザ初期化、共通レイアウト、汎用コンテンツUIだけを担当する。
 */

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

html {
	overflow-x: clip;
	scroll-behavior: smooth;
	scroll-padding-top: 92px;
}

body {
	margin: 0;
	color: var(--color-text);
	background: var(--color-background);
	font-family: var(--font-sans);
	font-size: var(--font-size-body);
	line-height: 1.8;
	letter-spacing: 0.01em;
	-webkit-font-smoothing: antialiased;
}

body.is-menu-open {
	overflow: hidden;
}

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

a {
	color: inherit;
	text-decoration: none;
}

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

button,
a {
	-webkit-tap-highlight-color: transparent;
}

:focus-visible {
	outline: 3px solid var(--color-primary);
	outline-offset: 3px;
}

::selection {
	color: var(--color-text-inverse);
	background: var(--color-primary);
}

/* Accessibility */
.u-visually-hidden,
.c-skip-link {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.c-skip-link:focus {
	top: 8px;
	left: 8px;
	z-index: 1000;
	width: auto;
	height: auto;
	padding: 8px 16px;
	margin: 0;
	clip: auto;
	color: var(--color-text);
	background: var(--color-background);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
}

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

.l-container--narrow {
	max-width: 880px;
}

.l-container--reading {
	max-width: var(--reading);
}

.l-section {
	padding: 80px 0;
}

.l-section--compact {
	padding: 64px 0;
}

.l-section--subtle {
	background: var(--color-background-subtle);
}

.l-section--dark {
	color: var(--color-text-inverse);
	background: var(--color-primary-deepest);
}

/* Shared type: サイズは typography.css の文書階層へ集約する。 */
.c-eyebrow {
	margin: 0 0 10px;
	color: var(--color-primary);
	font-size: 0.75rem;
	font-weight: 500;
	letter-spacing: 0.08em;
}

.l-section--dark .c-eyebrow,
.p-cta .c-eyebrow {
	color: var(--color-primary-light);
}

.c-section-title {
	max-width: 880px;
	margin: 0 0 20px;
	color: var(--color-heading);
	font-weight: 500;
}

.l-section--dark .c-section-title {
	color: var(--color-text-inverse);
}

.c-section-lead {
	max-width: 760px;
	margin: 0 0 40px;
	color: var(--color-text);
	line-height: 1.9;
}

.l-section--dark .c-section-lead {
	color: var(--color-text-inverse-muted);
}

.c-text-link {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	color: var(--color-primary);
	font-weight: 500;
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 4px;
}

.c-text-link:hover,
.c-text-link:focus-visible {
	color: var(--color-primary-hover);
}

.c-text-link--light {
	color: var(--color-text-inverse);
}

.u-center {
	margin-top: 36px;
	text-align: center;
}

/* 外部リンクアイコンは固定色画像にせず、現在のブランドカラーへ追従させる。 */
.c-external-link-icon {
	width: 0.88em;
	height: 0.88em;
	margin-left: 0.32em;
	border: 0;
	background-color: var(--color-accent);
	-webkit-mask: url("../images/common/external-link.svg") center / contain no-repeat;
	mask: url("../images/common/external-link.svg") center / contain no-repeat;
	align-self: center;
	vertical-align: middle;
	transition: background-color 0.16s ease;
}

.c-external-link-icon::before {
	content: none;
}

.is-external-link:hover .c-external-link-icon,
.is-external-link:focus-visible .c-external-link-icon {
	background-color: var(--color-accent-hover);
}

/* Lists / generic states */
.c-check-list {
	padding: 0;
	margin: 0;
	border-top: 1px solid var(--color-border);
	list-style: none;
}

.c-check-list li {
	position: relative;
	padding: 14px 8px 14px 30px;
	border-bottom: 1px solid var(--color-border);
	font-weight: 500;
}

.c-check-list li::before {
	position: absolute;
	top: 17px;
	left: 6px;
	width: 12px;
	height: 7px;
	content: "";
	border-bottom: 2px solid var(--color-success);
	border-left: 2px solid var(--color-success);
	transform: rotate(-45deg);
}

.c-directory {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin-top: 40px;
	border-top: 1px solid var(--color-border);
}

.c-directory > a {
	position: relative;
	display: block;
	min-height: 148px;
	padding: 24px 54px 24px 4px;
	border-bottom: 1px solid var(--color-border);
}

.c-directory > a:nth-child(odd) {
	padding-right: 62px;
	border-right: 1px solid var(--color-border);
}

.c-directory > a:nth-child(even) {
	padding-left: 28px;
}

.c-directory h3 {
	margin: 0 0 8px;
	color: var(--color-heading);
}

.c-directory p {
	margin: 0;
	color: var(--color-text);
}

.c-directory > a > span {
	position: absolute;
	top: 25px;
	right: 8px;
	color: var(--color-primary);
	font-weight: 500;
}

.c-directory a:hover h3,
.c-directory a:focus-visible h3 {
	color: var(--color-primary);
	text-decoration: underline;
	text-underline-offset: 4px;
}

.c-empty-state {
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 48px;
	padding: 32px;
	background: var(--color-background-subtle);
	border-top: 3px solid var(--color-primary);
}

.c-empty-state h2 {
	margin: 0 0 10px;
	color: var(--color-heading);
}

.c-empty-state p {
	margin: 0;
	color: var(--color-text);
}

.c-empty-state__actions {
	display: grid;
	align-content: center;
	gap: 4px;
}

/* Page / archive baseline */
.p-page-hero {
	padding: 34px 0 48px;
	background: var(--color-background-subtle);
	border-bottom: 1px solid var(--color-border);
}

.p-page-hero__inner {
	max-width: 880px;
}

.p-page-hero h1,
.p-archive-head h1 {
	font-weight: 400;
}

.p-page-hero h1 {
	margin: 0 0 16px;
	color: var(--color-heading);
}

.p-page-hero__lead {
	max-width: 760px;
	margin: 0;
	color: var(--color-text-secondary);
	line-height: 1.9;
}

.p-page-hero__actions {
	margin-top: 24px;
}

.p-page-hero__note {
	margin: 10px 0 0;
	color: var(--color-text-secondary);
	font-size: 0.78rem;
}

.p-page-content {
	padding: 72px 0 80px;
}

.p-detail-sections {
	border-top: 1px solid var(--color-border);
}

.p-detail-section {
	display: grid;
	grid-template-columns: minmax(190px, 0.34fr) minmax(0, 0.66fr);
	gap: 56px;
	padding: 44px 0;
	border-bottom: 1px solid var(--color-border);
}

.p-detail-section__title {
	margin: 0;
	color: var(--color-heading);
	font-weight: 500;
}

.p-detail-section__body > :first-child {
	margin-top: 0;
}

.p-detail-section__body > :last-child {
	margin-bottom: 0;
}

.p-detail-section__body > p {
	color: var(--color-text);
}

.p-archive-head {
	padding: 34px 0 44px;
	background: var(--color-background-subtle);
	border-bottom: 1px solid var(--color-border);
}

.p-archive-head h1 {
	margin: 0 0 14px;
	color: var(--color-heading);
}

.p-archive-head p:last-child {
	max-width: 760px;
	margin: 0;
	color: var(--color-text);
}

.p-archive-body {
	padding: 64px 0 80px;
}

.c-content-list {
	border-top: 1px solid var(--color-border);
}

.c-content-list article {
	border-bottom: 1px solid var(--color-border);
}

.c-content-list a {
	display: grid;
	grid-template-columns: 11rem 1fr auto;
	align-items: center;
	gap: 24px;
	min-height: 80px;
	padding: 16px 4px;
}

.c-content-list time,
.c-content-list__meta {
	color: var(--color-text-secondary);
	font-size: 0.82rem;
}

.c-content-list h2,
.c-content-list h3 {
	margin: 0;
	font-weight: 500;
}

.c-content-list__body {
	display: grid;
	gap: 3px;
}

.c-content-list__summary {
	color: var(--color-text-secondary);
	line-height: 1.65;
}

.c-content-list a:hover h2,
.c-content-list a:hover h3,
.c-content-list a:focus-visible h2,
.c-content-list a:focus-visible h3 {
	color: var(--color-primary);
	text-decoration: underline;
	text-underline-offset: 4px;
}

.c-content-list__arrow {
	color: var(--color-primary);
	font-weight: 500;
}

.p-single {
	padding: 34px 0 80px;
}

.p-single__header {
	padding: 24px 0 32px;
	margin-bottom: 40px;
	border-bottom: 1px solid var(--color-border);
}

.p-single__meta {
	margin: 0 0 10px;
	color: var(--color-text-secondary);
	font-size: 0.85rem;
}

.p-single__header h1 {
	margin: 0;
	color: var(--color-heading);
	font-weight: 500;
}

.p-single__image {
	margin: 0 0 40px;
	overflow: hidden;
	border-radius: var(--radius-lg);
}

/* Rich text / forms */
.c-entry-content,
.prose {
	min-width: 0;
	color: var(--color-text);
	font-size: var(--font-size-body);
	line-height: 1.85;
	overflow-wrap: anywhere;
}

.c-entry-content > :first-child,
.prose > :first-child {
	margin-top: 0;
}

.c-entry-content h2,
.prose h2 {
	padding: 0 0 0.55em;
	margin: 2.5em 0 0.9em;
	color: var(--color-heading);
	border-bottom: 2px solid var(--color-primary);
	font-weight: 500;
}

.c-entry-content h3,
.prose h3 {
	margin: 2em 0 0.7em;
	color: var(--color-heading);
	font-weight: 500;
}

.c-entry-content p,
.prose p {
	margin: 0 0 1.35em;
}

.c-entry-content a,
.prose a {
	color: var(--color-primary);
	text-decoration: underline;
	text-underline-offset: 4px;
}

.c-entry-content ul,
.c-entry-content ol,
.prose ul,
.prose ol {
	padding-left: 1.5em;
	margin: 1.25em 0;
}

.c-entry-content li,
.prose li {
	margin: 0.45em 0;
}

.c-entry-content blockquote,
.prose blockquote {
	padding: 18px 22px;
	margin: 2em 0;
	color: var(--color-text);
	background: var(--color-background-subtle);
	border-left: 4px solid var(--color-primary);
}

.c-table-wrap {
	max-width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.c-entry-content table,
.prose table {
	width: 100%;
	min-width: 640px;
	margin: 2em 0;
	border-collapse: collapse;
}

.c-entry-content th,
.c-entry-content td,
.prose th,
.prose td {
	padding: 13px 15px;
	text-align: left;
	border: 1px solid var(--color-border);
}

.c-entry-content th,
.prose th {
	color: var(--color-heading);
	background: var(--color-background-subtle);
	font-weight: 500;
}

.c-entry-content label,
.wpcf7-form label {
	display: block;
	margin-bottom: 8px;
	color: var(--color-heading);
	font-weight: 500;
}

.c-entry-content input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]),
.c-entry-content select,
.c-entry-content textarea,
.wpcf7-form input:not([type="checkbox"]):not([type="radio"]):not([type="submit"]),
.wpcf7-form select,
.wpcf7-form textarea {
	width: 100%;
	min-height: 48px;
	padding: 10px 12px;
	color: var(--color-text);
	background: var(--color-background);
	border: 1px solid var(--color-border-strong);
	border-radius: var(--radius-sm);
}

.c-entry-content textarea,
.wpcf7-form textarea {
	min-height: 160px;
	resize: vertical;
}

.c-entry-content input:focus,
.c-entry-content select:focus,
.c-entry-content textarea:focus,
.wpcf7-form input:focus,
.wpcf7-form select:focus,
.wpcf7-form textarea:focus {
	border-color: var(--color-primary);
	outline: 3px solid rgb(37 99 235 / 18%);
	outline-offset: 1px;
}

.wpcf7-list-item {
	margin: 0 18px 8px 0;
}

.wpcf7-list-item label {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
	margin: 0;
	font-weight: 500;
}

.wpcf7-list-item input {
	width: 18px;
	height: 18px;
	margin-right: 8px;
}

.wpcf7-not-valid-tip,
.c-error-message {
	display: block;
	margin-top: 6px;
	color: #b42318;
	font-size: 0.85rem;
}

.wpcf7 form .wpcf7-response-output {
	padding: 14px 16px;
	margin: 24px 0 0;
	border-width: 1px;
	border-radius: var(--radius-sm);
}

/* FAQ */
.c-faq {
	border-top: 1px solid var(--color-border);
}

.c-faq:last-of-type {
	border-bottom: 1px solid var(--color-border);
}

.c-faq summary {
	position: relative;
	min-height: 64px;
	padding: 18px 52px 18px 44px;
	color: var(--color-heading);
	cursor: pointer;
	font-weight: 500;
	line-height: 1.7;
	list-style: none;
}

.c-faq summary::-webkit-details-marker {
	display: none;
}

.c-faq summary::before {
	position: absolute;
	top: 19px;
	left: 4px;
	content: "Q";
	color: var(--color-primary);
	font-weight: 500;
}

.c-faq summary::after {
	position: absolute;
	top: 19px;
	right: 8px;
	content: "＋";
	color: var(--color-primary);
	font-size: 1.15rem;
}

.c-faq[open] summary::after {
	content: "−";
}

.c-faq__answer,
.c-faq > div {
	position: relative;
	padding: 0 48px 22px 44px;
	color: var(--color-text);
}

.c-faq__answer::before {
	position: absolute;
	top: 0;
	left: 4px;
	content: "A";
	color: var(--color-accent);
	font-weight: 500;
}

/* Pagination */
.nav-links {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 6px;
	margin-top: 40px;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	padding: 6px 10px;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
}

.page-numbers:hover {
	color: var(--color-primary);
	border-color: var(--color-primary);
}

.page-numbers.current {
	color: var(--color-text-inverse);
	background: var(--color-primary);
	border-color: var(--color-primary);
}

/* パンくずは共通下線アニメーションを使い、リンクと現在地の高さを揃える。 */
.c-breadcrumb ol {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 6px;
	padding: 0 0 18px;
	margin: 0;
	color: var(--color-text-secondary);
	font-size: 0.75rem;
	list-style: none;
}

.c-breadcrumb li {
	display: inline-flex;
	min-height: 32px;
	align-items: center;
}

.c-breadcrumb a {
	display: inline-flex;
	min-height: 32px;
	align-items: center;
	color: var(--color-primary);
	text-decoration: none;
	transition: color 0.16s ease;
}

.c-breadcrumb__current,
.c-breadcrumb li + li::before {
	display: inline-block;
	padding-bottom: 3px;
}

.c-breadcrumb li + li::before {
	margin-right: 6px;
	content: ">";
	color: var(--color-border-strong);
}

.c-breadcrumb a:hover,
.c-breadcrumb a:focus-visible {
	color: var(--color-primary-dark);
}

/* CTA */
.p-cta {
	padding: 64px 0;
	color: var(--color-text-inverse);
	background: var(--color-primary);
}

.p-cta__inner {
	display: grid;
	grid-template-columns: 1.4fr 0.6fr;
	align-items: center;
	gap: 64px;
}

.p-cta h2 {
	margin: 0 0 10px;
	color: var(--color-text-inverse);
	font-weight: 500;
}

.p-cta p {
	max-width: 700px;
	margin: 0;
	color: var(--color-text-inverse);
}

.p-cta__assurance {
	display: flex;
	flex-wrap: wrap;
	gap: 8px 22px;
	padding: 0;
	margin: 18px 0 0;
	list-style: none;
}

.p-cta__assurance li {
	position: relative;
	padding-left: 22px;
	color: var(--color-text-inverse);
	font-size: 0.78rem;
	font-weight: 500;
}

.p-cta__assurance li::before {
	position: absolute;
	top: 0.58em;
	left: 1px;
	width: 9px;
	height: 5px;
	content: "";
	background: transparent;
	border-bottom: 2px solid var(--color-text-inverse);
	border-left: 2px solid var(--color-text-inverse);
	transform: rotate(-45deg);
}

.p-cta__actions {
	display: grid;
	gap: 4px;
	text-align: center;
}

.p-cta__note {
	padding-top: 8px;
	font-size: 0.78rem;
}

@media (max-width: 768px) {
	html {
		scroll-padding-top: 68px;
	}

	.l-container {
		width: min(calc(100% - 32px), var(--container));
	}

	.l-section {
		padding: 56px 0;
	}

	.l-section--compact {
		padding: 48px 0;
	}

	.c-section-lead {
		margin-bottom: 30px;
	}

	.c-directory {
		grid-template-columns: 1fr;
	}

	.c-directory > a,
	.c-directory > a:nth-child(odd),
	.c-directory > a:nth-child(even) {
		min-height: 96px;
		padding: 20px 44px 20px 4px;
		border-right: 0;
	}

	.c-empty-state {
		grid-template-columns: 1fr;
		gap: 24px;
		padding: 24px;
	}

	.p-page-hero,
	.p-archive-head {
		padding: 24px 0 36px;
	}

	.p-page-content,
	.p-archive-body,
	.p-single {
		padding-top: 48px;
		padding-bottom: 56px;
	}

	.p-detail-section {
		grid-template-columns: 1fr;
		gap: 18px;
		padding: 32px 0;
	}

	.c-content-list a {
		grid-template-columns: 1fr auto;
		gap: 4px 16px;
		min-height: 88px;
	}

	.c-content-list time,
	.c-content-list__meta {
		grid-column: 1 / -1;
	}

	.c-entry-content table,
	.prose table {
		display: block;
		max-width: 100%;
		overflow-x: auto;
	}

	.c-table-wrap table {
		display: table;
	}

	.p-cta__inner {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.p-cta__assurance {
		display: grid;
		gap: 5px;
	}

	.p-cta {
		padding: 52px 0;
	}
}

@media (max-width: 390px) {
	.l-container {
		width: calc(100% - 28px);
	}
}

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

	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition: none !important;
	}
}