@charset "UTF-8";

/* ===========================================================================
 * 導入事例（case）専用スタイル
 * ロゴカラー：#03743a（CMYK C87 M42 Y100 K4 / RGB R3 G116 B58）
 * =========================================================================== */

:root {
	--case-primary: #03743a;
	--case-primary-light: #e6f1ea;
	--case-primary-dark: #025a2c;
	--case-text: #2a2a2a;
	--case-muted: #707070;
	--case-border: #e5e7e5;
	--case-bg-soft: #f7f9f7;
	--case-white: #fff;

	/* 余白の階層 */
	--case-space-xs: 8px;
	--case-space-sm: 16px;
	--case-space-md: 24px;
	--case-space-lg: 40px;
	--case-space-xl: 64px;
	--case-space-2xl: 100px;
}

/* レイアウト共通 */
.case-archive,
.case-single {
	color: var(--case-text);
	font-size: 16px;
	line-height: 1.9;
	letter-spacing: 0.02em;
	font-feature-settings: "palt";
}

.case-archive__inner,
.case-header__inner,
.case-video__inner,
.case-company__inner,
.case-issue-solution__inner,
.case-effects__inner,
.case-compare__inner,
.case-interview__inner,
.case-products__inner,
.case-content__inner,
.case-back__inner,
.case-contact__inner,
.case-related__inner,
.case-customer-products__inner,
.case-lineup__inner {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
	box-sizing: border-box;
}

.case-section__title {
	font-size: 30px;
	font-weight: 700;
	color: var(--case-text);
	text-align: center;
	margin: 0 0 60px;
	padding-bottom: 24px;
	letter-spacing: 0.08em;
	display: inline-block;
	position: relative;
	width: auto;
}

/* 中央下のアクセント線 */
.case-section__title::after {
	content: "";
	position: absolute;
	bottom: 0;
	left: 50%;
	transform: translateX(-50%);
	width: 60px;
	height: 3px;
	background: var(--case-primary);
}

/* 左右の装飾ライン（hover効果なしの控えめなライン） */
.case-section__title::before {
	content: "";
	position: absolute;
	bottom: 1px;
	left: 50%;
	transform: translateX(-50%);
	width: 200px;
	height: 1px;
	background: var(--case-border);
}

/* セクションタイトルラッパーを中央寄せに */
section > div > .case-section__title {
	display: block;
	text-align: center;
}

section .case-section__title {
	display: inline-block;
}

.case-section__title-wrap {
	text-align: center;
	margin-bottom: 100px;
}

/* ===========================================================================
 * 一覧ページ：ヒーロー
 * =========================================================================== */
.case-hero {
	background: var(--case-bg-soft);
	padding: 60px 20px;
	margin-bottom: 100px;
}

.case-hero__inner {
	max-width: 1200px;
	margin: 0 auto;
	text-align: center;
}

.case-hero__title {
	font-size: 36px;
	font-weight: 700;
	color: var(--case-text);
	margin: 0;
	letter-spacing: 0.05em;
}

/* ===========================================================================
 * 絞り込みフィルター
 * =========================================================================== */
.case-filter {
	background: var(--case-bg-soft);
	border-radius: 8px;
	padding: 32px;
	margin-bottom: 50px;
}

.case-filter__title {
	font-size: 20px;
	font-weight: 700;
	text-align: center;
	margin: 0 0 24px;
	color: var(--case-text);
}

.case-filter__row {
	display: flex;
	align-items: flex-start;
	gap: 20px;
	margin-bottom: 20px;
	flex-wrap: wrap;
}

.case-filter__row:last-of-type {
	margin-bottom: 0;
}

.case-filter__label {
	flex: 0 0 80px;
	font-weight: 700;
	color: var(--case-text);
	padding-top: 8px;
}

.case-filter__items {
	flex: 1;
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.case-filter__item {
	display: inline-flex;
	align-items: center;
	background: var(--case-white);
	border: 1px solid var(--case-border);
	border-radius: 4px;
	padding: 8px 14px;
	cursor: pointer;
	transition: all 0.2s;
	font-size: 14px;
	user-select: none;
}

.case-filter__item:hover {
	border-color: var(--case-primary);
	background: var(--case-primary-light);
}

.case-filter__item input[type="checkbox"] {
	margin-right: 6px;
	accent-color: var(--case-primary);
}

.case-filter__item input[type="checkbox"]:checked + span {
	color: var(--case-primary);
	font-weight: 700;
}

.case-filter__item:has(input:checked) {
	border-color: var(--case-primary);
	background: var(--case-primary-light);
}

.case-filter__action {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: 24px;
	padding-top: 20px;
	border-top: 1px solid var(--case-border);
}

.case-filter__reset {
	background: transparent;
	border: 1px solid var(--case-muted);
	color: var(--case-muted);
	padding: 8px 20px;
	border-radius: 4px;
	cursor: pointer;
	font-size: 14px;
	transition: all 0.2s;
}

.case-filter__reset:hover {
	background: var(--case-muted);
	color: var(--case-white);
}

.case-filter__count {
	color: var(--case-text);
	font-size: 14px;
}

.case-filter__count .js_numerator {
	font-weight: 700;
	color: var(--case-primary);
	font-size: 18px;
}

/* ===========================================================================
 * カード一覧
 * =========================================================================== */
.case-list {
	margin-bottom: 80px;
}

.case-list__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
}

/* フィルターでヒット中のみ表示 */
.case-list__grid .case-card {
	display: none;
}

.case-list__grid .case-card.js_selected {
	display: block;
}

.case-card {
	background: var(--case-white);
	border: 1px solid var(--case-border);
	border-radius: 8px;
	overflow: hidden;
	transition: box-shadow 0.2s, transform 0.2s;
}

.case-card:hover {
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
	transform: translateY(-2px);
}

.case-card__link {
	display: block;
	color: inherit;
	text-decoration: none;
	height: 100%;
}

.case-card__thumb {
	aspect-ratio: 16 / 10;
	overflow: hidden;
	background: var(--case-bg-soft);
}

.case-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.case-card__thumb--noimage {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, #f0f0f0 25%, #e8e8e8 25%, #e8e8e8 50%, #f0f0f0 50%, #f0f0f0 75%, #e8e8e8 75%, #e8e8e8);
	background-size: 20px 20px;
}

.case-card__body {
	padding: 20px;
}

.case-card__title {
	font-size: 16px;
	font-weight: 700;
	line-height: 1.5;
	margin: 0 0 12px;
	color: var(--case-text);
	display: -webkit-box;
	-webkit-line-clamp: 3;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.case-card__company {
	font-size: 15px;
	font-weight: 700;
	margin: 0 0 12px;
	color: var(--case-primary);
}

.case-card__meta {
	margin: 0;
	font-size: 13px;
	color: var(--case-muted);
	line-height: 1.6;
}

.case-card__meta-row {
	display: flex;
	margin-bottom: 4px;
}

.case-card__meta-row dt {
	flex: 0 0 auto;
	margin-right: 4px;
}

.case-card__meta-row dd {
	margin: 0;
	flex: 1;
}

.case-card__action {
	padding: 0 20px 20px;
}

.case-card__more,
.case-card__link:hover .case-card__more,
.case-card__link:focus .case-card__more {
	color: var(--case-white);
}

.case-card__more {
	display: block;
	background: var(--case-primary);
	text-align: center;
	padding: 10px;
	border-radius: 4px;
	font-size: 14px;
	font-weight: 700;
	transition: background 0.2s;
}

.case-card__link:hover .case-card__more {
	background: var(--case-primary-dark);
}

.case-list__empty,
.case-list__noresult {
	text-align: center;
	padding: 40px;
	color: var(--case-muted);
}

/* ===========================================================================
 * 関連リンク
 * =========================================================================== */
.case-related {
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-related__inner {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
}

.case-related__item {
	background: var(--case-white);
	border-radius: 8px;
	padding: 40px;
	text-align: center;
}

.case-related__title {
	font-size: 20px;
	font-weight: 700;
	margin: 0 0 20px;
	color: var(--case-text);
}

.case-related__btn,
.case-related__btn:hover,
.case-related__btn:focus,
.case-related__btn:active,
.case-related__btn:visited {
	color: var(--case-white);
}

.case-related__btn {
	display: inline-block;
	background: var(--case-primary);
	padding: 12px 40px;
	border-radius: 30px;
	text-decoration: none;
	font-weight: 700;
	transition: background 0.2s;
}

.case-related__btn:hover {
	background: var(--case-primary-dark);
}

.case-related__note {
	color: var(--case-muted);
	margin: 0;
}

.case-related__item--soon {
	opacity: 0.7;
}

/* ===========================================================================
 * 詳細ページ：ヘッダー
 * =========================================================================== */
.case-header {
	background: var(--case-bg-soft);
	padding: 80px 0;
	margin-bottom: 100px;
}

.case-header__inner {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: center;
}

.case-header__title {
	font-size: 30px;
	font-weight: 700;
	line-height: 1.5;
	margin: 0 0 20px;
	color: var(--case-text);
	letter-spacing: 0.04em;
	padding-bottom: 20px;
	position: relative;
}

.case-header__title::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: 0;
	width: 60px;
	height: 3px;
	background: var(--case-primary);
}

.case-header__sub {
	font-size: 18px;
	font-weight: 700;
	color: var(--case-primary);
	margin: 0 0 32px;
	letter-spacing: 0.06em;
}

.case-header__meta {
	margin: 0;
	font-size: 14px;
}

.case-header__meta div {
	display: flex;
	margin-bottom: 12px;
	align-items: flex-start;
}

.case-header__meta dt {
	flex: 0 0 100px;
	font-weight: 700;
	color: var(--case-white);
	background: var(--case-primary);
	padding: 4px 12px;
	font-size: 12px;
	letter-spacing: 0.08em;
	border-radius: 2px;
	text-align: center;
	height: 24px;
	box-sizing: border-box;
	line-height: 16px;
}

.case-header__meta dd {
	margin: 0 0 0 16px;
	flex: 1;
	color: var(--case-text);
	padding-top: 2px;
}

.case-header__image img {
	width: 100%;
	height: auto;
	border-radius: 4px;
	display: block;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

/* ===========================================================================
 * 詳細ページ：動画
 * =========================================================================== */
.case-video {
	margin-bottom: 100px;
}

.case-video__wrap {
	position: relative;
	width: 100%;
	max-width: 800px;
	margin: 0 auto;
	aspect-ratio: 16 / 9;
	background: #000;
}

.case-video__wrap iframe {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* ===========================================================================
 * 詳細ページ：会社概要
 * =========================================================================== */
.case-company {
	margin-bottom: 100px;
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-company__inner {
	text-align: center;
	max-width: 1100px;
	margin: 0 auto;
}

.case-company__body {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 60px;
	max-width: 1000px;
	margin: 40px auto 0;
	text-align: left;
	align-items: center;
}

.case-company__logo {
	width: 100%;
}

.case-company__logo img {
	width: 100%;
	height: auto;
	display: block;
}

.case-company__data {
	margin: 0;
}

.case-company__data div {
	display: grid;
	grid-template-columns: 140px 1fr;
	border-bottom: 1px solid var(--case-border);
	padding: 18px 0;
	gap: 16px;
}

.case-company__data div:first-child {
	border-top: 1px solid var(--case-border);
}

.case-company__data dt {
	font-weight: 700;
	color: var(--case-text);
	position: relative;
	padding-left: 16px;
	letter-spacing: 0.06em;
}

.case-company__data dt::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 4px;
	height: 14px;
	background: var(--case-primary);
}

.case-company__data dd {
	margin: 0;
	color: var(--case-muted);
}

/* ===========================================================================
 * 詳細ページ：課題と解決策
 * =========================================================================== */
.case-issue-solution {
	margin-bottom: 100px;
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-issue-solution__inner {
	display: grid;
	grid-template-columns: 1fr;
	gap: 32px;
	max-width: 900px;
}

.case-issue,
.case-solution {
	display: grid;
	grid-template-columns: 110px 1fr;
	gap: 32px;
	align-items: start;
	background: var(--case-white);
	border-radius: 8px;
	padding: 40px;
	border: 1px solid var(--case-primary);
	transition: box-shadow 0.3s ease;
	position: relative;
	overflow: hidden;
}

/* 左上のコーナー装飾 */
.case-issue::before,
.case-solution::before {
	content: "";
	position: absolute;
	top: -1px;
	left: -1px;
	width: 48px;
	height: 48px;
	background: var(--case-primary);
	clip-path: polygon(0 0, 100% 0, 0 100%);
	opacity: 0.1;
}

.case-issue:hover,
.case-solution:hover {
	box-shadow: 0 6px 24px rgba(3, 116, 58, 0.08);
}

.case-issue__icon,
.case-solution__icon {
	text-align: center;
}

.case-issue__icon img,
.case-solution__icon img {
	width: 100px;
	height: 100px;
	object-fit: contain;
	display: block;
}

.case-issue__content,
.case-solution__content {
	flex: 1;
}

.case-issue__title,
.case-solution__title {
	font-size: 21px;
	font-weight: 700;
	margin: 0 0 20px;
	padding-left: 14px;
	border-left: 4px solid var(--case-primary);
	letter-spacing: 0.04em;
	line-height: 1.5;
}

.case-issue__body,
.case-solution__body {
	line-height: 1.9;
	color: var(--case-text);
}

/* ===========================================================================
 * 詳細ページ：導入の効果
 * =========================================================================== */
.case-effects {
	margin-bottom: 120px;
}

.case-effects__inner {
	text-align: center;
}

.case-effects__grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 48px;
	max-width: 1000px;
	margin: 0 auto;
}

.case-effects__item {
	text-align: center;
	display: flex;
	flex-direction: column;
	align-items: center;
	position: relative;
}

/* 区切り縦線（控えめなアクセント） */
.case-effects__item:not(:last-child)::after {
	content: "";
	position: absolute;
	top: 20%;
	right: -24px;
	width: 1px;
	height: 60%;
	background: var(--case-border);
}

.case-effects__label {
	font-size: 13px;
	color: var(--case-primary);
	margin: 0 0 24px;
	font-weight: 700;
	letter-spacing: 0.15em;
	text-transform: uppercase;
}

.case-effects__icon {
	width: 130px;
	height: 130px;
	margin: 0 auto 24px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--case-primary-light);
	border-radius: 50%;
	padding: 20px;
	box-sizing: border-box;
}

.case-effects__icon img {
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.case-effects__value {
	font-size: 24px;
	font-weight: 700;
	color: var(--case-text);
	margin: 0 0 20px;
	line-height: 1.4;
	letter-spacing: 0.04em;
}

.case-effects__desc {
	font-size: 14px;
	line-height: 1.9;
	color: var(--case-muted);
	text-align: left;
	width: 100%;
}

.case-effects__desc p {
	margin: 0 0 0.5em;
}

/* ===========================================================================
 * 詳細ページ：導入前後の比較
 * =========================================================================== */
.case-compare {
	margin-bottom: 100px;
}

.case-compare__inner {
	text-align: center;
}

.case-compare__grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 32px;
	text-align: left;
}

.case-compare__box {
	border-radius: 4px;
	padding: 40px;
	transition: box-shadow 0.3s ease;
}

.case-compare__box:hover {
	box-shadow: 0 6px 24px rgba(0, 0, 0, 0.06);
}

.case-compare__box--before {
	background: var(--case-white);
	border: 1px solid var(--case-border);
	color: var(--case-text);
}

.case-compare__box--after {
	background: var(--case-primary);
	color: var(--case-white);
}

.case-compare__heading {
	font-size: 15px;
	font-weight: 700;
	margin: 0 0 20px;
	text-align: left;
	letter-spacing: 0.08em;
}

.case-compare__box--before .case-compare__heading {
	color: var(--case-text);
}

.case-compare__box--after .case-compare__heading {
	color: var(--case-white);
}

/* 画像枠 */
.case-compare__image {
	margin: 0 0 24px;
	aspect-ratio: 16 / 10;
	overflow: hidden;
	border-radius: 4px;
}

.case-compare__image img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

/* 画像プレースホルダー */
.case-compare__image--placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 24px;
	font-weight: 700;
	letter-spacing: 0.1em;
}

.case-compare__box--before .case-compare__image--placeholder {
	background: #888;
	color: var(--case-white);
}

.case-compare__box--after .case-compare__image--placeholder {
	background: var(--case-white);
	color: var(--case-primary);
}

/* リストスタイル */
.case-compare__body {
	font-size: 14px;
	line-height: 1.8;
}

.case-compare__body ul {
	list-style: none;
	padding: 0;
	margin: 0;
}

.case-compare__body ul li {
	padding: 0 0 0 1em;
	text-indent: -1em;
	margin-bottom: 0.3em;
}

.case-compare__body ul li::before {
	content: "・";
}

.case-compare__body p {
	margin: 0 0 1em;
}

/* ===========================================================================
 * 詳細ページ：インタビュー
 * =========================================================================== */
.case-interview {
	margin-bottom: 100px;
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-interview__inner {
	text-align: center;
}

/* インタビュイー紹介（顔写真＋名前） */
.case-interviewees {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 60px;
	max-width: 900px;
	margin: 0 auto 60px;
}

.case-interviewees__item {
	text-align: center;
	max-width: 280px;
}

.case-interviewees__photo {
	margin: 0 auto 20px;
	width: 220px;
	height: 220px;
	overflow: hidden;
	border-radius: 4px;
	background: var(--case-white);
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.case-interviewees__photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}

.case-interviewees__role {
	font-size: 13px;
	color: var(--case-muted);
	margin: 0 0 6px;
	line-height: 1.6;
	letter-spacing: 0.04em;
}

.case-interviewees__name {
	font-size: 17px;
	font-weight: 700;
	color: var(--case-text);
	margin: 0;
	letter-spacing: 0.06em;
}

.case-interview__section {
	max-width: 900px;
	margin: 0 auto 32px;
	text-align: left;
	background: var(--case-white);
	border-radius: 8px;
	padding: 56px 48px 48px;
	position: relative;
}

/* 左上の引用符マーク */
.case-interview__section::before {
	content: """;
	position: absolute;
	top: 8px;
	left: 32px;
	font-size: 64px;
	font-family: Georgia, serif;
	color: var(--case-primary);
	opacity: 0.15;
	line-height: 1;
}

.case-interview__heading {
	font-size: 14px;
	font-weight: 700;
	margin: 0 0 16px;
	color: var(--case-muted);
	padding-bottom: 12px;
	border-bottom: 1px solid var(--case-border);
	letter-spacing: 0.08em;
}

.case-interview__subheading {
	font-size: 22px;
	font-weight: 700;
	color: var(--case-text);
	margin: 0 0 28px;
	letter-spacing: 0.04em;
	line-height: 1.5;
}

.case-interview__body {
	margin-bottom: 24px;
}

.case-interview__body p {
	margin-bottom: 1.4em;
	line-height: 1.95;
}

/* strong/bは明示的に太字に上書き（テーマのbolder指定対策） */
.case-interview__body strong,
.case-interview__body b,
.case-issue__body strong,
.case-issue__body b,
.case-solution__body strong,
.case-solution__body b,
.case-effects__desc strong,
.case-effects__desc b,
.case-compare__body strong,
.case-compare__body b {
	font-weight: 700;
}

/* インタビュー本文のstrongに、緑のマーカーハイライト風装飾 */
.case-interview__body strong,
.case-interview__body b {
	background: linear-gradient(transparent 65%, var(--case-primary-light) 65%);
	padding: 0 2px;
}

.case-interview__body img {
	max-width: 100%;
	height: auto;
	border-radius: 4px;
	display: block;
	margin: 28px auto;
}

.case-interview__image img {
	width: 100%;
	height: auto;
	border-radius: 4px;
}

/* ===========================================================================
 * 詳細ページ：ご導入製品
 * =========================================================================== */
.case-products {
	margin-bottom: 100px;
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-products__inner {
	text-align: center;
}

.case-products__grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 32px;
	max-width: 900px;
	margin: 0 auto;
}

.case-products__item {
	background: var(--case-white);
	border-radius: 8px;
	padding: 32px;
	text-align: center;
	display: flex;
	flex-direction: column;
	transition: box-shadow 0.3s ease, transform 0.3s ease;
	position: relative;
	overflow: hidden;
}

/* 左上のコーナー装飾 */
.case-products__item::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 48px;
	height: 48px;
	background: var(--case-primary);
	clip-path: polygon(0 0, 100% 0, 0 100%);
	opacity: 0.1;
}

.case-products__item:hover {
	box-shadow: 0 8px 28px rgba(3, 116, 58, 0.1);
	transform: translateY(-2px);
}

/* 画像エリア：高さを統一して左右で揃える */
.case-products__thumb {
	margin-bottom: 20px;
	height: 220px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.case-products__thumb img {
	max-width: 100%;
	max-height: 100%;
	width: auto;
	height: auto;
	object-fit: contain;
}

.case-products__name {
	font-size: 20px;
	font-weight: 700;
	margin: 0 0 24px;
	color: var(--case-text);
	letter-spacing: 0.04em;
}

/* ボタン領域：下に押し下げて、左右で位置が揃うように */
.case-products__actions {
	margin-top: auto;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.case-products__btn {
	display: block;
	padding: 16px 20px;
	border-radius: 4px;
	text-decoration: none;
	font-size: 15px;
	font-weight: 700;
	transition: all 0.2s ease;
	text-align: center;
	letter-spacing: 0.04em;
}

.case-products__btn--catalog,
.case-products__btn--catalog:hover,
.case-products__btn--catalog:focus,
.case-products__btn--catalog:active,
.case-products__btn--catalog:visited {
	color: var(--case-primary);
}

.case-products__btn--catalog {
	background: var(--case-white);
	border: 2px solid var(--case-primary);
}

.case-products__btn--catalog:hover {
	background: var(--case-primary-light);
}

.case-products__btn--detail,
.case-products__btn--detail:hover,
.case-products__btn--detail:focus,
.case-products__btn--detail:active,
.case-products__btn--detail:visited {
	color: var(--case-white);
}

.case-products__btn--detail {
	background: var(--case-primary);
	border: 2px solid var(--case-primary);
}

.case-products__btn--detail:hover {
	background: var(--case-primary-dark);
	border-color: var(--case-primary-dark);
}

/* ===========================================================================
 * 詳細ページ：本文・戻るボタン
 * =========================================================================== */
.case-content {
	margin-bottom: 100px;
}

.case-content__inner {
	max-width: 900px;
}

.case-back {
	margin-bottom: 100px;
	text-align: center;
}

.case-back__btn {
	display: inline-block;
	background: var(--case-white);
	color: var(--case-primary);
	border: 2px solid var(--case-primary);
	padding: 12px 40px;
	border-radius: 30px;
	text-decoration: none;
	font-weight: 700;
	transition: all 0.2s;
}

.case-back__btn:hover {
	background: var(--case-primary);
	color: var(--case-white);
}

/* ===========================================================================
 * 詳細ページ：お問い合わせ
 * =========================================================================== */
.case-contact {
	background: var(--case-bg-soft);
	padding: 80px 0;
}

.case-contact__title {
	font-size: 22px;
	font-weight: 700;
	text-align: center;
	margin: 0 0 30px;
}

.case-contact__btns {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	max-width: 800px;
	margin: 0 auto;
}

.case-contact__tel,
.case-contact__form {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background: var(--case-white);
	border: 2px solid var(--case-primary);
	border-radius: 8px;
	padding: 24px;
	text-decoration: none;
	color: var(--case-primary);
	transition: all 0.2s;
}

.case-contact__tel:hover,
.case-contact__form:hover {
	background: var(--case-primary);
	color: var(--case-white);
}

.case-contact__btn-label {
	font-size: 13px;
	margin-bottom: 8px;
}

.case-contact__btn-num {
	font-size: 22px;
	font-weight: 700;
}

/* ===========================================================================
 * レスポンシブ
 * =========================================================================== */
@media screen and (max-width: 768px) {

	.case-list__grid {
		grid-template-columns: 1fr;
	}

	.case-related__inner,
	.case-header__inner,
	.case-effects__grid,
	.case-compare__grid,
	.case-contact__btns {
		grid-template-columns: 1fr;
	}

	.case-company__body {
		grid-template-columns: 1fr;
		text-align: center;
	}

	/* 課題・解決策：スマホでは縦並び */
	.case-issue,
	.case-solution {
		grid-template-columns: 1fr;
		text-align: center;
		gap: 16px;
	}

	.case-issue__icon img,
	.case-solution__icon img {
		width: 80px;
		height: 80px;
		margin: 0 auto;
	}

	.case-issue__title,
	.case-solution__title {
		text-align: left;
	}

	.case-issue__body,
	.case-solution__body {
		text-align: left;
	}

	/* インタビュイー：スマホでも横並び維持、サイズ調整 */
	.case-interviewees {
		gap: 20px;
	}

	.case-interviewees__item {
		max-width: 45%;
	}

	.case-interviewees__photo {
		width: 140px;
		height: 140px;
	}

	.case-filter {
		padding: 20px;
	}

	.case-filter__row {
		flex-direction: column;
		gap: 10px;
	}

	.case-filter__label {
		flex: none;
		padding-top: 0;
	}

	.case-hero__title {
		font-size: 28px;
	}

	.case-header__title {
		font-size: 22px;
	}

	.case-section__title {
		font-size: 22px;
	}
}

/* ===========================================================================
 * 詳細ページ：お客様が作っている製品
 * =========================================================================== */
.case-customer-products {
	margin-bottom: 100px;
	background: var(--case-bg-soft);
	padding: 100px 0;
}

.case-customer-products__inner {
	text-align: center;
}

.case-customer-products__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 40px;
	max-width: 700px;
	margin: 0 auto 50px;
}

.case-customer-products__item {
	text-align: center;
	transition: transform 0.3s ease;
}

.case-customer-products__item:hover {
	transform: translateY(-2px);
}

.case-customer-products__thumb {
	margin: 0 auto 20px;
	max-width: 300px;
	overflow: hidden;
	border-radius: 4px;
}

.case-customer-products__thumb img {
	width: 100%;
	height: auto;
	display: block;
	transition: transform 0.5s ease;
}

.case-customer-products__item:hover .case-customer-products__thumb img {
	transform: scale(1.04);
}

.case-customer-products__name {
	font-size: 17px;
	font-weight: 700;
	margin: 0;
	letter-spacing: 0.04em;
}

.case-customer-products__cta {
	margin-top: 40px;
}

.case-customer-products__btn,
.case-customer-products__btn:hover,
.case-customer-products__btn:focus,
.case-customer-products__btn:active,
.case-customer-products__btn:visited {
	color: var(--case-white);
}

.case-customer-products__btn {
	display: inline-block;
	padding: 18px 48px;
	background: var(--case-text);
	border-radius: 40px;
	text-decoration: none;
	font-weight: 700;
	font-size: 15px;
	letter-spacing: 0.04em;
	transition: background 0.3s ease, transform 0.3s ease;
}

.case-customer-products__btn:hover {
	background: var(--case-primary-dark);
	transform: translateY(-1px);
}

/* ===========================================================================
 * 詳細ページ：製品ラインナップへのリンク
 * =========================================================================== */
.case-lineup {
	margin-bottom: 100px;
	padding: 80px 0;
}

.case-lineup__inner {
	max-width: 900px;
	margin: 0 auto;
}

.case-lineup__grid {
	display: grid;
	gap: 48px;
}

.case-lineup__grid--1cols {
	grid-template-columns: minmax(0, 400px);
	justify-content: center;
}

.case-lineup__grid--2cols {
	grid-template-columns: repeat(2, 1fr);
}

.case-lineup__grid--3cols {
	grid-template-columns: repeat(3, 1fr);
}

.case-lineup__item {
	text-align: center;
	transition: transform 0.3s ease;
}

.case-lineup__item:hover {
	transform: translateY(-2px);
}

.case-lineup__image {
	margin: 0 auto 20px;
	max-width: 350px;
	overflow: hidden;
	border-radius: 4px;
}

.case-lineup__image img {
	width: 100%;
	height: auto;
	display: block;
	transition: transform 0.5s ease;
}

.case-lineup__item:hover .case-lineup__image img {
	transform: scale(1.04);
}

.case-lineup__name {
	font-size: 17px;
	font-weight: 700;
	margin: 0 0 20px;
	letter-spacing: 0.04em;
}

.case-lineup__btn,
.case-lineup__btn:hover,
.case-lineup__btn:focus,
.case-lineup__btn:active,
.case-lineup__btn:visited {
	color: var(--case-white);
}

.case-lineup__btn {
	display: inline-block;
	padding: 14px 56px;
	background: var(--case-muted);
	border-radius: 40px;
	text-decoration: none;
	font-weight: 700;
	font-size: 14px;
	letter-spacing: 0.06em;
	transition: background 0.3s ease;
}

.case-lineup__btn:hover {
	background: var(--case-text);
}

/* インタビュー後半は会社概要のような背景なしで */
.case-interview--second {
	background: transparent;
	padding-top: 0;
}

/* スマホ */
@media screen and (max-width: 768px) {
	.case-customer-products__grid,
	.case-lineup__grid--2cols,
	.case-lineup__grid--3cols {
		grid-template-columns: 1fr;
	}
}