/**
 * おしゃれ企業HPテーマ - メインスタイル
 * 複数ページ型・白背景・ネイビー基調・レスポンシブ
 * 安っぽいLP風は避け、落ち着いたコーポレートトーンで統一
 */

/* ========== 変数・ベース ========== */
:root {
	--color-primary: #1a365d;
	--color-primary-light: #2c5282;
	--color-text: #2d3748;
	--color-text-light: #4a5568;
	--color-bg: #fff;
	--color-border: #e2e8f0;
	--color-bg-subtle: #f8fafc;
	/* システムフォントで読みやすさ優先（ビルド不要のためWebフォントは未使用） */
	--font-sans: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
	--container-max: 960px;
	--content-max: min(720px, 65ch);
	--spacing: 1.5rem;
	--section-spacing: 2.5rem;
	--radius: 4px;
}

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

body {
	margin: 0;
	font-family: var(--font-sans);
	font-size: 16px;
	line-height: 1.75;
	color: var(--color-text);
	background: var(--color-bg);
	letter-spacing: 0.02em;
}

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

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

a:hover {
	text-decoration: underline;
}

.inner {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 0 var(--spacing);
}

/* ========== ヘッダー ========== */
.site-header {
	background: var(--color-primary);
	color: #fff;
	padding: 1rem 0;
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 1rem;
}

.site-branding .site-title,
.site-branding a {
	color: #fff;
	font-size: 1.25rem;
	font-weight: 700;
	text-decoration: none;
}

.site-branding a:hover {
	text-decoration: underline;
}

.main-navigation .nav-menu {
	display: flex;
	flex-wrap: wrap;
	list-style: none;
	margin: 0;
	padding: 0;
	gap: 0 1.5rem;
}

.main-navigation a {
	color: #fff;
	text-decoration: none;
}

.main-navigation a:hover {
	text-decoration: underline;
}

.menu-toggle {
	display: none;
	background: transparent;
	border: 1px solid #fff;
	color: #fff;
	padding: 0.5rem 1rem;
	cursor: pointer;
	font-size: 0.9rem;
}

@media (max-width: 767px) {
	.menu-toggle {
		display: block;
	}
	.main-navigation .nav-menu {
		display: none;
		width: 100%;
		flex-direction: column;
		padding-top: 1rem;
	}
	.main-navigation .nav-menu.is-open {
		display: flex;
	}
}

/* ========== ページ全体レイアウト（フッター固定用） ========== */
#page {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
}

.site-main {
	flex: 0 0 auto;
	padding: 0 0 0.75rem;
	min-height: 0;
}

/* ========== ページタイトル帯（下層ページ共通） ========== */
.page-title-band {
	background: var(--color-bg-subtle);
	border-bottom: 1px solid var(--color-border);
	padding: 2.5rem 0;
	margin-bottom: 0;
}

.page-title-band .inner {
	padding-top: 0;
	padding-bottom: 0;
}

.page-title-band-title {
	margin: 0;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--color-primary);
}

.page-title-band .entry-meta {
	margin-top: 0.35rem;
	font-size: 0.9rem;
	color: var(--color-text-light);
}

.page-title-band .archive-description {
	margin-top: 0.5rem;
	font-size: 0.95rem;
	color: var(--color-text);
}

.site-main > .inner {
	padding-top: 2.5rem;
}

.front-page > .inner {
	padding-top: var(--section-spacing);
}

/* ========== トップページ セクション共通 ========== */
.front-page .inner {
	padding-top: var(--section-spacing);
	padding-bottom: 1rem;
}

.front-page .front-strengths .inner {
	padding-bottom: 0.5rem;
}

.section-title {
	margin: 0 0 1.75rem;
	font-size: 1.5rem;
	color: var(--color-primary);
	font-weight: 700;
	border-bottom: 2px solid var(--color-primary);
	padding-bottom: 0.5rem;
	display: inline-block;
}

.front-page .section-title {
	margin-top: 0;
}

.section-text {
	margin: 0 0 1rem;
	max-width: 60ch;
	line-height: 1.8;
	color: var(--color-text);
}

/* ========== ヒーロー（背景画像対応） ========== */
.front-hero {
	position: relative;
	background: linear-gradient(180deg, #f7fafc 0%, var(--color-bg) 100%);
	padding: 3rem 0;
	border-bottom: 1px solid var(--color-border);
}

.front-hero.has-hero-bg {
	background-color: #2a4a6f;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	min-height: 280px;
	padding: 4rem 0;
}

.front-hero.has-hero-bg::before {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(30, 58, 95, 0.55);
	pointer-events: none;
}

.front-hero .hero-inner {
	position: relative;
	z-index: 1;
}

.front-hero .inner {
	text-align: center;
	padding-top: 2rem;
	padding-bottom: 2rem;
}

.front-hero.has-hero-bg .inner {
	padding-top: 2.5rem;
	padding-bottom: 2.5rem;
}

.hero-heading {
	margin: 0 0 1rem;
	font-size: clamp(1.35rem, 4vw, 1.75rem);
	color: var(--color-primary);
	line-height: 1.4;
	font-weight: 700;
}

.front-hero.has-hero-bg .hero-heading,
.front-hero.has-hero-bg .hero-description {
	color: #fff;
	text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-description {
	margin: 0;
	font-size: 1rem;
	color: var(--color-text-light);
	max-width: 42ch;
	margin-left: auto;
	margin-right: auto;
}

.hero-cta {
	margin: 1.5rem 0 0;
}

@media (max-width: 767px) {
	.front-hero {
		padding: 2rem 0;
	}
	.hero-heading {
		font-size: 1.25rem;
	}
}

/* ========== 強み・選ばれる理由 ========== */
.front-strengths {
	border-bottom: 1px solid var(--color-border);
}

.strength-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 1.5rem;
}

@media (min-width: 600px) {
	.strength-list {
		grid-template-columns: repeat(3, 1fr);
	}
}

.strength-item {
	border: 1px solid var(--color-border);
	padding: 1.75rem;
	background: var(--color-bg-subtle);
	border-radius: var(--radius);
}

.strength-title {
	margin: 0 0 0.5rem;
	font-size: 1.1rem;
	color: var(--color-primary);
}

.strength-text {
	margin: 0;
	font-size: 0.95rem;
	color: var(--color-text);
	line-height: 1.7;
}

/* ========== 事業内容カード ========== */
.front-business-cards {
	border-bottom: 1px solid var(--color-border);
}

.section-lead {
	margin: 0 0 2rem;
	max-width: 60ch;
	line-height: 1.8;
	color: var(--color-text);
}

.business-card-list {
	list-style: none;
	margin: 0 0 2rem;
	padding: 0;
	display: grid;
	gap: 1.25rem;
}

@media (min-width: 500px) {
	.business-card-list {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 768px) {
	.business-card-list {
		grid-template-columns: repeat(3, 1fr);
	}
}

.business-card {
	border: 1px solid var(--color-border);
	padding: 1.75rem;
	background: #fff;
	border-radius: var(--radius);
}

.business-card-title {
	margin: 0 0 0.5rem;
	font-size: 1.1rem;
	color: var(--color-primary);
}

.business-card-text {
	margin: 0;
	font-size: 0.95rem;
	color: var(--color-text);
	line-height: 1.7;
}

.section-cta {
	margin: 0;
}

/* ========== トップ - 各ページへの導線（複数ページ構成の明示） ========== */
.front-nav-links {
	padding: 2.5rem 0 3rem;
	border-bottom: 1px solid var(--color-border);
}

.front-nav-grid {
	display: grid;
	gap: 1rem;
	list-style: none;
	margin: 0;
	padding: 0;
}

@media (min-width: 500px) {
	.front-nav-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 768px) {
	.front-nav-grid {
		grid-template-columns: repeat(4, 1fr);
		gap: 1.25rem;
	}
}

.front-nav-card {
	display: block;
	padding: 1.25rem 1rem;
	border: 1px solid var(--color-border);
	background: var(--color-bg);
	color: var(--color-text);
	text-decoration: none;
	transition: border-color 0.2s, background 0.2s;
}

.front-nav-card:hover {
	border-color: var(--color-primary);
	background: #f8fafc;
	text-decoration: none;
	color: var(--color-text);
}

.front-nav-card-label {
	display: block;
	font-weight: 600;
	color: var(--color-primary);
	font-size: 1rem;
	margin-bottom: 0.25rem;
}

.front-nav-card-desc {
	display: block;
	font-size: 0.85rem;
	color: var(--color-text-light);
}

/* ========== 代表メッセージ・FAQ導線 ========== */
.front-message-cta,
.front-faq-cta {
	border-bottom: 1px solid var(--color-border);
}

/* ========== 会社情報要約（定義リスト） ========== */
.front-company-summary .company-list,
.front-company .company-list {
	margin: 0 0 1.5rem;
	padding: 0;
	display: grid;
	gap: 0.75rem 1.5rem;
}

@media (min-width: 600px) {
	.front-company-summary .company-list,
	.front-company .company-list {
		grid-template-columns: 10em 1fr;
	}
}

.front-company-summary .company-list dt,
.front-company .company-list dt {
	margin: 0;
	font-weight: 700;
	color: var(--color-primary);
	font-size: 0.9rem;
}

.front-company-summary .company-list dd,
.front-company .company-list dd {
	margin: 0;
}

.front-company-summary .company-list dd a,
.front-company .company-list dd a {
	word-break: break-all;
}

/* ========== お問い合わせ導線（節度ある表示・目立たせすぎない） ========== */
.front-contact {
	background: var(--color-bg);
	border-top: 1px solid var(--color-border);
}

.front-contact .section-title {
	margin-bottom: 1rem;
}

.front-contact .contact-email {
	margin: 0.5rem 0 0;
	font-size: 1rem;
}

.front-contact .contact-email a {
	font-weight: 500;
	text-decoration: underline;
	text-underline-offset: 2px;
}

.front-contact .contact-email a:hover {
	text-decoration: none;
}

/* ========== アーカイブ（お知らせ一覧） ========== */
.archive-page .page-header {
	margin-bottom: 2rem;
}

.archive-page .page-title {
	font-size: 1.5rem;
	color: var(--color-primary);
	margin: 0 0 0.5rem;
}

.post-list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: 1px solid var(--color-border);
}

.post-item {
	padding: 1rem 0;
	border-bottom: 1px solid var(--color-border);
	display: flex;
	align-items: baseline;
	gap: 1rem;
}

.post-item time {
	font-size: 0.9rem;
	color: var(--color-text-light);
	flex-shrink: 0;
}

.post-item a:hover {
	text-decoration: underline;
}

/* 投稿ネーション */
.nav-links {
	display: flex;
	justify-content: center;
	gap: 0.5rem;
	margin-top: 2rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--color-border);
}

.nav-links a,
.nav-links span {
	padding: 0.5rem 1rem;
}

.entry-content h2 {
	margin: 2.25rem 0 0.75rem;
	font-size: 1.2rem;
	color: var(--color-primary);
	font-weight: 700;
}

.entry-content h2:first-child {
	margin-top: 0;
}

.entry-content h3 {
	margin: 1.75rem 0 0.5rem;
	font-size: 1.1rem;
	color: var(--color-primary);
}

/* ========== メインコンテンツ（固定ページ・投稿）本文最大幅で読みやすく ========== */
.page-content .inner,
.single-content .inner,
.page-business .inner,
.page-company .inner,
.page-message .inner,
.page-faq .inner,
.page-contact .inner,
.page-privacy .inner,
.page-terms .inner {
	max-width: var(--container-max);
}

.page-content .entry-content,
.single-content .entry-content,
.page-business .entry-content,
.page-company .entry-content,
.page-message .entry-content,
.page-faq .entry-content,
.page-contact .entry-content,
.page-privacy .entry-content,
.page-terms .entry-content {
	max-width: var(--content-max);
}

.entry-header {
	margin-bottom: 2rem;
}

.entry-title {
	margin: 0 0 0.5rem;
	font-size: 1.75rem;
	color: var(--color-primary);
}

.entry-meta {
	color: var(--color-text-light);
	font-size: 0.9rem;
}

.entry-content {
	margin-top: 1rem;
}

.entry-content p {
	margin: 0 0 1rem;
}

/* 会社概要は必ず表組みで表示 */
.company-table-wrap {
	margin-top: 0;
}

.company-table {
	width: 100%;
	border-collapse: collapse;
	margin: 0 0 2rem;
	font-size: 1rem;
}

.company-table th,
.company-table td {
	border: 1px solid var(--color-border);
	padding: 1rem 1.25rem;
	text-align: left;
	vertical-align: top;
	background: #fff;
}

.company-table th {
	background: var(--color-bg-subtle);
	font-weight: 700;
	color: var(--color-primary);
	width: 11em;
	min-width: 10em;
}

.company-table tr:nth-child(even) td {
	background: var(--color-bg-subtle);
}

.company-table a {
	word-break: break-all;
	color: var(--color-primary);
}

/* 代表メッセージ・顔写真枠 */
.message-photo {
	margin: 0 0 1.5rem;
}

.message-photo-placeholder {
	width: 200px;
	height: 200px;
	background: #e2e8f0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--color-text-light);
	font-size: 0.9rem;
}

.message-photo img {
	display: block;
}

/* FAQ リスト */
.faq-list {
	margin: 0;
	padding: 0;
}

.faq-list dt {
	font-weight: 700;
	margin: 1.25rem 0 0.25rem;
	padding: 0.75rem 1rem;
	background: var(--color-bg-subtle);
	border-left: 3px solid var(--color-primary);
}

.faq-list dt:first-child {
	margin-top: 0;
}

.faq-list dd {
	margin: 0 0 0 1rem;
	padding: 0 0 0.75rem;
	line-height: 1.8;
}

/* お問い合わせページ */
.contact-email-block {
	margin: 1rem 0;
	font-size: 1.05rem;
}

/* ========== フッター（細くせず、会社情報と法務リンクを整理） ========== */
.site-footer {
	background: var(--color-primary);
	color: #fff;
	padding: 3rem 0 2rem;
	margin-top: auto;
}

.site-footer a {
	color: #fff;
	text-decoration: none;
}

.site-footer a:hover {
	text-decoration: underline;
}

.footer-body {
	display: grid;
	gap: 2rem;
	margin-bottom: 2.5rem;
}

@media (min-width: 600px) {
	.footer-body {
		grid-template-columns: 1fr auto;
		align-items: start;
	}
}

.footer-company-block {
	font-size: 0.95rem;
	line-height: 1.7;
}

.footer-company-name {
	font-weight: 700;
	font-size: 1.05rem;
	margin: 0 0 0.75rem;
}

.footer-company-address,
.footer-company-tel,
.footer-company-hours {
	margin: 0 0 0.25rem;
}

.footer-nav-block {
	display: flex;
	gap: 2.5rem;
	flex-wrap: wrap;
}

.footer-nav-group {
	margin: 0;
}

.footer-nav-heading {
	font-size: 0.8rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	opacity: 0.9;
	margin: 0 0 0.75rem;
}

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

.footer-nav-list li {
	margin: 0 0 0.4rem;
}

.footer-bottom {
	padding-top: 1.5rem;
	border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-copy {
	margin: 0;
	font-size: 0.9rem;
	opacity: 0.95;
}

/* ========== ボタン（控えめなコーポレートトーン・LP風の派手さは避ける） ========== */
a.button,
.button {
	display: inline-block;
	background: var(--color-primary);
	color: #fff;
	padding: 0.7rem 1.35rem;
	border-radius: var(--radius);
	text-decoration: none;
	font-weight: 600;
	font-size: 0.95rem;
	cursor: pointer;
	position: relative;
	z-index: 1;
}

.button:hover {
	background: var(--color-primary-light);
	text-decoration: none;
	color: #fff;
}

/* ========== 404 ========== */
.error-404 .error-content {
	text-align: center;
	padding: 3rem 0;
}

.error-404 .page-title {
	margin-bottom: 1rem;
}

.error-404 .button {
	margin-top: 1rem;
}

/* ========== スマートフォン・タブレット用（PCと同品質で表示） ========== */
@media (max-width: 767px) {
	body {
		font-size: 15px;
	}
	.inner {
		padding-left: 1rem;
		padding-right: 1rem;
	}
	.strength-list {
		grid-template-columns: 1fr;
		gap: 1rem;
	}
	.strength-item {
		padding: 1.25rem 1rem;
	}
	.main-navigation a,
	.footer-nav-list a {
		display: inline-block;
		min-height: 44px;
		line-height: 44px;
	}
	.company-table th,
	.company-table td {
		padding: 0.6rem 0.75rem;
		font-size: 0.95rem;
	}
	.company-table th {
		width: 8em;
		min-width: 7em;
	}
	.page-title-band {
		padding: 1.75rem 0;
	}
	.page-title-band-title {
		font-size: 1.35rem;
	}
}

@media (max-width: 499px) {
	.business-card-list {
		grid-template-columns: 1fr;
	}
	.front-nav-grid {
		grid-template-columns: 1fr;
	}
}