/* ==========================================================================
   Page: cases （lk-theme-white / 白背景・ink 文字）
   mock: /02_デザイン課/mockup/cases.html
   ========================================================================== */

/* swell-reset の 100vw 負マージンはスクロールバー幅ぶん左にズレるので
   cases でも section/footer を通常の 100% に戻す */
#body_wrap.lk-art.page .post_content > section,
#body_wrap.lk-art.page .post_content > footer {
	width: 100% !important;
	margin-left: 0 !important;
	margin-right: 0 !important;
}

/* ---------- Hero ---------- */
.cases-hero {
	padding: clamp(120px, 14vw, 200px) 5% clamp(40px, 5vw, 72px);
	text-align: center;
	box-sizing: border-box;
}
.cases-hero__eyebrow {
	font-family: var(--f-en);
	font-size: 11px;
	letter-spacing: 0.32em;
	color: var(--mute);
	text-transform: uppercase;
	margin-bottom: 28px;
}
#body_wrap.lk-art .post_content .cases-hero__title {
	font-family: var(--f-en) !important;
	font-weight: 300 !important;
	font-size: clamp(64px, 13vw, 180px) !important;
	line-height: 1 !important;
	letter-spacing: 0;
	margin: 0 0 32px 0 !important;
	color: var(--ink) !important;
}
#body_wrap.lk-art .post_content .cases-hero__lead {
	font-family: var(--f-jp);
	font-size: 15px;
	line-height: 2;
	color: rgba(7,7,7,0.72);
	width: min(100%, 580px);
	margin: 0 auto !important;
}

/* ---------- Body (sidebar + grid) ---------- */
.cases-body {
	padding: clamp(40px, 5vw, 80px) 5% clamp(80px, 10vw, 140px);
	border-top: 1px solid rgba(7,7,7,0.08);
	box-sizing: border-box;
}
.cases-body__inner {
	width: min(100%, 1080px);
	margin-inline: auto;
	display: grid;
	grid-template-columns: 1fr;
	gap: 48px;
}
@media (min-width: 820px) {
	.cases-body__inner {
		grid-template-columns: 200px 1fr;
		gap: 64px;
	}
}

/* ---------- Sidebar ---------- */
.cases-side { align-self: start; }
@media (min-width: 820px) {
	.cases-side {
		position: sticky;
		top: 120px;
	}
}
.cases-side__label {
	font-family: var(--f-en);
	font-size: 10px;
	letter-spacing: 0.28em;
	color: var(--mute);
	text-transform: uppercase;
	margin-bottom: 20px;
}
.cases-side__list {
	list-style: none;
	padding: 0;
	margin: 0 0 48px;
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.cases-side__item {
	position: relative;
	padding: 8px 0 8px 22px;
	font-family: var(--f-en);
	font-size: 11px;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--mute);
	cursor: pointer;
	transition: color 0.2s;
	background: transparent;
	border: none;
	text-align: left;
	width: 100%;
}
.cases-side__item:hover { color: var(--ink); }
.cases-side__item.is-active { color: var(--ink); }
.cases-side__item.is-active::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	width: 6px; height: 6px;
	background: var(--ink);
	border-radius: 50%;
	transform: translateY(-50%);
}
.cases-side__contact {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--f-en);
	font-size: 11px;
	letter-spacing: 0.28em;
	color: var(--ink);
	text-transform: uppercase;
	border-top: 1px solid rgba(7,7,7,0.08);
	padding-top: 32px;
	transition: gap 0.2s;
}
.cases-side__contact:hover { gap: 14px; }

/* ---------- Grid ---------- */
.cases-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: clamp(36px, 4.5vw, 64px) clamp(24px, 3vw, 40px);
}
@media (min-width: 560px) {
	.cases-grid { grid-template-columns: 1fr 1fr; }
}

/* ---------- Card ---------- */
.cases-card {
	display: block;
	text-align: center;
	transition: opacity 0.3s;
}
.cases-card:hover { opacity: 0.75; }
.cases-card:hover .cases-card__fig img { transform: scale(1.03); }

#body_wrap.lk-art .post_content .cases-card__fig {
	position: relative;
	aspect-ratio: 3/2;
	overflow: hidden;
	background: rgba(7,7,7,0.05);
	margin: 0 0 18px 0 !important;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--mute);
	font-family: var(--f-en);
	font-size: 10px;
	letter-spacing: 0.3em;
	text-transform: uppercase;
}
.cases-card__fig img {
	width: 100%; height: 100%;
	object-fit: cover;
	transition: transform 0.6s ease;
}
.cases-card__fig-placeholder {
	padding: 16px;
	text-align: center;
	opacity: 0.5;
}

.cases-card__client {
	font-family: var(--f-jp);
	font-size: 12px;
	color: var(--mute);
	margin-bottom: 6px;
	letter-spacing: 0.02em;
}
#body_wrap.lk-art .post_content .cases-card__title {
	font-family: var(--f-jp) !important;
	font-weight: 500 !important;
	font-size: clamp(14px, 1.3vw, 16px) !important;
	letter-spacing: 0.05em;
	line-height: 1.6 !important;
	color: var(--ink) !important;
	margin: 0 0 10px 0 !important;
}
.cases-card__tag {
	display: inline-block;
	font-family: var(--f-en);
	font-size: 10px;
	letter-spacing: 0.24em;
	color: var(--mute);
	text-transform: uppercase;
}

/* ---------- CTA (white) ---------- */
.svc-cta {
	padding: clamp(56px, 7vw, 96px) 5%;
	border-top: 1px solid rgba(7,7,7,0.08);
	text-align: center;
	box-sizing: border-box;
}
.svc-cta__link {
	display: inline-flex;
	align-items: center;
	gap: clamp(10px, 1.4vw, 20px);
	font-family: var(--f-en); font-weight: 300;
	font-size: clamp(32px, 5vw, 64px);
	line-height: 1; letter-spacing: 0;
	color: var(--ink);
	transition: opacity 0.3s;
}
.svc-cta__link:hover { opacity: 0.6; }
.svc-cta__link:hover .svc-cta__arrow { transform: translateX(8px); }
.svc-cta__arrow {
	display: inline-block;
	font-size: 0.7em;
	transition: transform 0.3s;
}