:root {
	--color-main: #0f4c81;
	--color-sub: #eaf4fb;
	--color-accent: #f6b73c;
	--color-text: #1f2937;
	--color-brand-text: #0b3558;
	--color-bg: #f8fafc;
	--color-border: #d8e7f3;
	--color-white: #fff;
	--shadow-soft: 0 10px 28px rgba(15, 76, 129, 0.08);
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background: var(--color-bg);
	color: var(--color-text);
	font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
	line-height: 1.75;
}

a {
	color: var(--color-main);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

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

.container,
.site-header__inner,
.site-footer__inner {
	width: min(1100px, calc(100% - 32px));
	margin: 0 auto;
}

.site-header {
	background: var(--color-white);
	border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	padding: 18px 0;
}

.site-logo {
	display: inline-flex;
	align-items: center;
	min-width: 0;
	gap: 12px;
	color: var(--color-brand-text);
	text-decoration: none;
}

.site-logo:hover {
	text-decoration: none;
}

.site-logo__mark {
	width: 44px;
	height: 44px;
	flex: 0 0 44px;
	display: block;
	border-radius: 14px;
	box-shadow: 0 8px 20px rgba(15, 76, 129, 0.18);
	object-fit: contain;
}

.site-logo__text {
	display: grid;
	min-width: 0;
	gap: 2px;
}

.site-logo__name {
	font-size: 1.25rem;
	font-weight: 800;
	line-height: 1.2;
	letter-spacing: 0.02em;
}

.site-logo__tagline {
	color: #4f6f8f;
	font-size: 0.78rem;
	line-height: 1.3;
}

.global-nav ul,
.footer-nav ul {
	display: flex;
	gap: 18px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.global-nav a {
	font-weight: 700;
}

.global-nav {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	gap: 16px;
}

.global-nav__top-link,
.footer-nav__top-link {
	display: inline-flex;
	align-items: center;
	min-height: 34px;
	border: 1px solid var(--color-border);
	border-radius: 999px;
	background: var(--color-white);
	padding: 0 12px;
	color: var(--color-brand-text);
	font-size: 13px;
	font-weight: 800;
	white-space: nowrap;
}

.global-nav__top-link:hover,
.footer-nav__top-link:hover {
	background: var(--color-sub);
	text-decoration: none;
}

.site-main {
	min-height: 70vh;
}

.hero {
	background: linear-gradient(135deg, var(--color-main), #174f78);
	color: var(--color-white);
}

.hero__inner {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(380px, 460px);
	gap: 48px;
	align-items: center;
	padding: 54px 0;
}

.hero h1 {
	margin: 0 0 16px;
	max-width: 760px;
	font-size: clamp(2.4rem, 4.4vw, 4.2rem);
	line-height: 1.18;
	letter-spacing: 0.02em;
}

.hero p {
	margin: 0;
	font-size: 17px;
}

.search-results-hero {
	background: var(--color-main);
	color: var(--color-white);
	padding: 28px 0 24px;
}

.search-results-hero h1 {
	margin: 0;
	font-size: clamp(1.7rem, 4vw, 2.6rem);
	line-height: 1.35;
	letter-spacing: 0;
}

.search-results-hero p {
	max-width: 720px;
	margin: 10px 0 0;
	font-size: 15px;
}

.search-results-hero .eyebrow {
	margin-bottom: 8px;
}

.eyebrow {
	margin: 0 0 10px;
	color: var(--color-accent);
	font-size: 13px;
	font-weight: 800;
	letter-spacing: 0;
}

.search-panel {
	width: 100%;
	max-width: 460px;
	box-sizing: border-box;
	background: var(--color-white);
	color: var(--color-text);
	border-radius: 8px;
	padding: 22px;
	box-shadow: var(--shadow-soft);
}

.search-panel h2 {
	margin: 0 0 12px;
	font-size: 19px;
}

.layout-stack {
	display: grid;
	gap: 28px;
	padding: 34px 0 54px;
}

.section,
.content-section,
.notice-box,
.summary-card,
.archive-card,
.source-box,
.variant-card {
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: 8px;
	box-shadow: var(--shadow-soft);
}

.section,
.content-section,
.notice-box {
	padding: 26px;
}

.section-heading h2,
.content-section h2,
.notice-box h2 {
	margin: 0 0 16px;
	color: var(--color-main);
	font-size: 24px;
	line-height: 1.35;
}

.maker-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	gap: 14px;
}

.maker-card {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	min-height: 68px;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	background: var(--color-sub);
	padding: 16px;
	font-weight: 800;
}

.maker-card small {
	color: #526173;
	font-weight: 700;
}

.maker-grid--compact {
	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.maker-card--compact {
	min-height: 56px;
	padding: 12px;
}

.error-list {
	display: grid;
	gap: 10px;
}

.error-list__item,
.related-card {
	display: grid;
	grid-template-columns: auto minmax(0, 1fr) auto;
	gap: 12px;
	align-items: center;
	min-width: 0;
	border: 1px solid var(--color-border);
	border-radius: 8px;
	background: var(--color-white);
	padding: 12px;
	writing-mode: horizontal-tb;
}

.error-list__title,
.related-card__title {
	min-width: 0;
	font-weight: 800;
	overflow-wrap: anywhere;
	word-break: normal;
	writing-mode: horizontal-tb;
}

.related-card,
.error-list__item span,
.related-card span {
	word-break: normal;
	overflow-wrap: anywhere;
	writing-mode: horizontal-tb;
}

.related-card__title {
	min-width: 0;
	line-height: 1.5;
}

.error-list__meta {
	min-width: 0;
	color: #526173;
	font-size: 13px;
	overflow-wrap: anywhere;
	writing-mode: horizontal-tb;
}

.error-code-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	max-width: 100%;
	min-width: 62px;
	min-height: 38px;
	border-radius: 6px;
	background: var(--color-main);
	color: var(--color-white);
	font-size: 18px;
	font-weight: 900;
	line-height: 1.4;
	white-space: normal;
}

.error-code-badge--type {
	flex-shrink: 0;
	min-width: 88px;
	padding: 0 10px;
	font-size: 13px;
	white-space: nowrap;
}

.notice-box {
	border-color: #f8d69a;
	background: #fff8eb;
}

.single-error,
.archive-page {
	padding: 34px 0 56px;
}

.single-header,
.archive-header {
	margin-bottom: 22px;
}

.single-header h1,
.archive-header h1 {
	margin: 0 0 12px;
	color: var(--color-main);
	font-size: clamp(28px, 4vw, 42px);
	line-height: 1.25;
	letter-spacing: 0;
}

.single-header__lead,
.archive-header p {
	max-width: 860px;
	margin: 0;
	color: #526173;
	font-size: 17px;
}

.summary-card {
	display: grid;
	grid-template-columns: 220px minmax(0, 1fr);
	gap: 22px;
	padding: 24px;
	margin-bottom: 24px;
}

.summary-card__code {
	display: grid;
	align-content: center;
	justify-items: center;
	border-radius: 8px;
	background: var(--color-main);
	color: var(--color-white);
	padding: 22px;
	text-align: center;
}

.summary-card__code span {
	font-size: 13px;
	font-weight: 800;
}

.summary-card__code strong {
	font-size: 46px;
	line-height: 1;
}

.info-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin: 0;
}

.info-grid--compact {
	grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
	margin-bottom: 12px;
}

.info-row {
	border: 1px solid var(--color-border);
	border-radius: 6px;
	background: var(--color-bg);
	padding: 10px 12px;
}

.info-row dt {
	margin: 0 0 4px;
	color: #526173;
	font-size: 12px;
	font-weight: 800;
}

.info-row dd {
	margin: 0;
	font-weight: 700;
}

.content-section {
	margin-top: 22px;
}

.content-section h3,
.variant-card h3,
.source-box h3 {
	margin: 0 0 10px;
	font-size: 19px;
	line-height: 1.35;
}

.source-box {
	padding: 20px;
}

.source-box--official {
	border-left: 5px solid var(--color-main);
}

.source-item + .source-item,
.external-list .source-box + .source-box {
	margin-top: 14px;
}

.source-link,
.source-rank {
	display: inline-flex;
	gap: 8px;
	align-items: center;
	border-radius: 999px;
	background: var(--color-sub);
	padding: 5px 10px;
	font-size: 13px;
	font-weight: 800;
}

.variant-list,
.external-list,
.archive-list,
.related-grid {
	display: grid;
	gap: 14px;
}

.variant-card,
.archive-card {
	padding: 18px;
}

.archive-card__link {
	display: flex;
	gap: 12px;
	align-items: center;
	min-width: 0;
	margin-bottom: 12px;
	writing-mode: horizontal-tb;
	word-break: normal;
	overflow-wrap: anywhere;
}

.archive-card h2 {
	min-width: 0;
	margin: 0;
	font-size: 20px;
	line-height: 1.4;
	writing-mode: horizontal-tb;
	word-break: normal;
	overflow-wrap: anywhere;
}

.archive-card p {
	margin-bottom: 0;
}

.related-grid {
	grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.related-card {
	grid-template-columns: auto minmax(0, 1fr);
}

.pagination-nav {
	margin-top: 28px;
}

.page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 38px;
	min-height: 38px;
	border: 1px solid var(--color-border);
	border-radius: 6px;
	background: var(--color-white);
	padding: 0 10px;
	font-weight: 800;
}

.page-numbers.current {
	background: var(--color-main);
	color: var(--color-white);
}

.site-footer {
	border-top: 1px solid var(--color-border);
	background: var(--color-white);
}

.site-footer__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 22px 0;
}

.footer-nav {
	display: flex;
	flex-wrap: wrap;
	gap: 12px 18px;
	align-items: center;
}

.footer-nav__page-links {
	display: flex;
	flex-wrap: wrap;
	gap: 12px 18px;
	padding: 0;
	margin: 0;
	list-style: none;
}

.footer-nav__page-links a {
	color: #526173;
	font-size: 13px;
	font-weight: 800;
}

.copyright {
	margin: 0;
	color: #526173;
	font-size: 13px;
}

.static-page {
	padding: 48px 0 64px;
}

.static-page__inner {
	max-width: 880px;
	margin: 0 auto;
	border: 1px solid #dbe7f3;
	border-radius: 18px;
	background: var(--color-white);
	padding: clamp(24px, 4vw, 48px);
	box-shadow: var(--shadow-soft);
}

.static-page__header {
	margin-bottom: 24px;
}

.static-page h1 {
	margin: 0;
	color: var(--color-brand-text);
	font-size: clamp(28px, 4vw, 40px);
	line-height: 1.35;
}

.static-page h2 {
	margin: 2em 0 0.6em;
	color: var(--color-brand-text);
	font-size: 1.35rem;
	line-height: 1.45;
}

.static-page p,
.static-page li {
	line-height: 1.9;
}

.static-page ul {
	padding-left: 1.4em;
}

.static-page__content > *:first-child {
	margin-top: 0;
}

.static-page__content > *:last-child {
	margin-bottom: 0;
}

.ecdb-search-card {
	width: 100%;
	max-width: 460px;
	min-width: 0;
	box-sizing: border-box;
	color: var(--color-text);
}

.ecdb-search-form {
	display: grid;
	gap: 10px;
	width: 100%;
	min-width: 0;
	box-sizing: border-box;
}

.ecdb-search-form__row {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
	gap: 12px;
	align-items: end;
	width: 100%;
	min-width: 0;
	box-sizing: border-box;
}

.ecdb-search-form__field {
	display: grid;
	gap: 5px;
	min-width: 0;
	width: 100%;
	box-sizing: border-box;
}

.ecdb-search-form__field--button {
	grid-column: 1 / -1;
}

.ecdb-search-form__label {
	color: #526173;
	font-size: 13px;
	font-weight: 800;
}

.ecdb-search-form__select,
.ecdb-search-form__input {
	width: 100%;
	min-width: 0;
	min-height: 48px;
	box-sizing: border-box;
	border: 1px solid var(--color-border);
	border-radius: 6px;
	background: var(--color-white);
	color: var(--color-text);
	font-size: 16px;
	padding: 0 12px;
}

.ecdb-search-form__button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	min-width: 120px;
	min-height: 48px;
	box-sizing: border-box;
	border: 0;
	border-radius: 6px;
	background: var(--color-main);
	color: var(--color-white);
	font-size: 16px;
	font-weight: 900;
	line-height: 1.2;
	white-space: nowrap;
	writing-mode: horizontal-tb;
	padding: 0 18px;
	cursor: pointer;
}

.ecdb-search-form__button:hover {
	background: #0b416f;
}

.ecdb-search-form__help {
	margin: 0;
	color: #526173;
	font-size: 13px;
	line-height: 1.6;
}

.ecdb-search-form__examples {
	margin: 0;
	color: #334155;
	font-size: 12px;
	font-weight: 800;
	line-height: 1.6;
}

.ecdb-search-card--compact {
	border: 1px solid var(--color-border);
	border-radius: 8px;
	background: var(--color-sub);
	padding: 18px;
}

.ecdb-search-message {
	display: grid;
	gap: 2px;
	margin-top: 14px;
	border-radius: 8px;
	background: var(--color-sub);
	padding: 12px;
	font-size: 14px;
}

.ecdb-search-message--warning {
	background: #fff7ed;
	border: 1px solid #fed7aa;
}

.ecdb-search-assist {
	margin: 0;
	border: 1px solid #fed7aa;
	border-radius: 8px;
	background: #fffbf5;
	padding: 14px 14px 14px 32px;
	color: #526173;
	font-size: 14px;
	line-height: 1.7;
}

.ecdb-search-results-section {
	margin: 28px auto 0;
	margin-bottom: 40px;
	padding: 0;
	background: transparent;
	border: 0;
	box-shadow: none;
}

.ecdb-search-results {
	display: grid;
	gap: 16px;
	width: 100%;
	max-width: 100%;
	margin-top: 0;
}

.ecdb-search-results__heading {
	margin: 0;
	color: var(--color-main);
	font-size: 16px;
}

.ecdb-results-list-title {
	margin: 0;
	color: var(--color-main);
	font-size: 18px;
	line-height: 1.4;
}

.ecdb-search-results__grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 14px;
	width: 100%;
}

.ecdb-search-result-card {
	border: 1px solid var(--color-border);
	border-radius: 8px;
	background: var(--color-white);
	padding: 14px;
}

.ecdb-search-result-card__meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	align-items: center;
	margin-bottom: 6px;
	color: #526173;
	font-size: 13px;
	font-weight: 800;
}

.ecdb-search-result-card__meta strong {
	border-radius: 5px;
	background: var(--color-main);
	color: var(--color-white);
	padding: 2px 8px;
	font-size: 15px;
}

.ecdb-search-result-card h3 {
	margin: 0 0 6px;
	font-size: 17px;
	line-height: 1.4;
}

.ecdb-search-result-card p {
	margin: 0 0 8px;
	color: #526173;
	font-size: 14px;
}

.search-results-stack {
	display: grid;
	gap: 40px;
	padding-bottom: 54px;
}

.search-again-section {
	margin-top: 0;
	padding-top: 32px;
	border-top: 1px solid #dbe7f3;
}

.search-again-section .ecdb-search-card {
	max-width: 760px;
}

.search-maker-section {
	margin-top: 0;
}

@media (max-width: 960px) {
	.hero__inner {
		grid-template-columns: 1fr;
	}

	.search-panel,
	.ecdb-search-card {
		max-width: none;
	}

	.ecdb-search-results__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 760px) {
	.site-header__inner,
	.site-footer__inner {
		display: flex;
		flex-wrap: wrap;
	}

	.global-nav ul,
	.footer-nav ul {
		flex-wrap: wrap;
	}

	.hero__inner,
	.summary-card {
		grid-template-columns: 1fr;
	}

	.hero__inner {
		padding: 36px 0;
	}

	.search-panel,
	.ecdb-search-card {
		max-width: none;
	}

	.ecdb-search-form__row {
		grid-template-columns: 1fr;
	}

	.ecdb-search-form__button,
	.ecdb-search-form__select,
	.ecdb-search-form__input {
		min-height: 48px;
	}

	.ecdb-search-results__grid {
		grid-template-columns: 1fr;
	}

	.info-grid {
		grid-template-columns: 1fr;
	}

	.error-list__item {
		grid-template-columns: auto minmax(0, 1fr);
	}

	.error-list__meta {
		grid-column: 2;
	}
}

@media (max-width: 640px) {
	.site-header__inner {
		gap: 12px;
		padding: 14px 0;
	}

	.site-logo__tagline {
		display: none;
	}

	.site-logo__name {
		font-size: 1.1rem;
	}

	.site-logo__mark {
		width: 40px;
		height: 40px;
		flex-basis: 40px;
	}

	.global-nav {
		margin-left: auto;
	}

	.error-list__item {
		grid-template-columns: 1fr;
		align-items: start;
	}

	.error-list__meta {
		grid-column: auto;
	}

	.error-list__item .error-code-badge {
		justify-self: start;
	}
}