.cases {
	position: relative;
	padding-block: var(--air-6);
}
.cases__title {
	margin: 0 0 var(--air-5);
	text-align: center;
	font-size: var(--fs-8);
	font-weight: var(--display-weight);
	letter-spacing: var(--display-tracking);
	line-height: var(--lh-display);
}
.cases__stage {
	display: grid;
	grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
	grid-template-rows: repeat(var(--n, 4), auto) 1fr;
	column-gap: var(--air-6);
	row-gap: var(--sp-3);
	align-items: start;
}
.cases__head {
	grid-column: 1;
	grid-row: calc(var(--i) + 1);
	margin: 0;
	font: inherit;
}
.cases__tab {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--sp-3);
	width: 100%;
	padding: var(--air-1) var(--air-2);
	border: 0;
	border-radius: var(--r-md);
	background: var(--panel);
	color: var(--ink);
	font: inherit;
	font-size: var(--fs-4);
	font-weight: var(--fw-display);
	line-height: var(--lh-snug);
	text-align: start;
	cursor: pointer;
	transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
	.cases__tab:hover {
		background: var(--panel-hi);
	}
}
.cases__tab[aria-expanded="true"] {
	background: var(--fill);
	color: var(--on-fill);
}
.cases__tab:focus-visible {
	outline: calc(2 * var(--px)) solid var(--ink);
	outline-offset: calc(3 * var(--px));
}
.cases__tail {
	position: absolute;
	top: 50%;
	left: 100%;
	width: calc(36 * var(--px));
	height: calc(22 * var(--px));
	color: var(--fill);
	pointer-events: none;
	opacity: 0;
	transform-origin: 0 0;
	transform: translateY(calc(18 * var(--px))) rotate(-90deg);
	transition: opacity var(--dur) var(--ease);
}
.cases__tail svg {
	display: block;
	width: 100%;
	height: 100%;
}
.cases__tab[aria-expanded="true"] .cases__tail { opacity: 1; }
.cases__chev { display: none; }
.cases__panel {
	grid-column: 2;
	grid-row: 1 / -1;
	visibility: hidden;
}
.cases__panel.is-open { visibility: visible; }
.cases__path {
	--wire: calc(16 * var(--px));
	--lead: calc(18 * var(--px));
	--gap: var(--air-2);
	position: relative;
	padding-left: calc(12 * var(--px) + var(--wire) + var(--lead));
}
.cases__trace {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	overflow: visible;
	pointer-events: none;
}
.cases__trace path {
	fill: none;
	stroke: var(--fill);
	stroke-width: calc(1.5 * var(--px));
	stroke-linecap: round;
	stroke-linejoin: round;
}
.cases__trace circle {
	r: calc(3.6 * var(--px));
	fill: var(--field);
	stroke: var(--fill);
	stroke-width: calc(1.5 * var(--px));
}
.cases__step {
	position: relative;
}
.cases__step + .cases__step {
	margin-top: var(--gap);
}
.cases__kind {
	position: relative;
	width: fit-content;
	margin: 0;
	padding: 0 calc(14 * var(--px)) calc(7 * var(--px)) calc(4 * var(--px));
	color: var(--ink);
	font-size: var(--fs-5);
	font-weight: var(--fw-display);
	letter-spacing: var(--tr-tight);
	line-height: 1.25;
}
.cases__wire {
	position: absolute;
	left: calc(-1 * (var(--wire) + var(--lead)));
	right: 0;
	bottom: 0;
	height: var(--wire);
	visibility: hidden;
	pointer-events: none;
}
.cases__plate {
	margin-top: var(--sp-3);
	padding: var(--air-2) var(--air-3);
	border-radius: var(--r-lg);
	background: var(--panel);
}
.cases__step--result .cases__plate {
	background: var(--ink);
	color: var(--field);
}
.cases__list {
	margin: 0;
	padding: 0;
	list-style: none;
	counter-reset: case-point;
}
.cases__list li {
	counter-increment: case-point;
	position: relative;
	padding-inline-start: 1.75em;
	font-size: var(--fs-3);
	line-height: var(--lh-text);
}
.cases__list li + li {
	margin-top: 0.6em;
}
.cases__list li::before {
	content: counter(case-point) ".";
	position: absolute;
	inset-inline-start: 0;
	color: var(--ink-2);
	font-variant-numeric: tabular-nums;
}
.cases__result {
	margin: 0;
	font-size: var(--fs-3);
	line-height: var(--lh-text);
}
.cases__stage.is-armed .cases__step:not(.is-on) .cases__kind { color: transparent; }
.cases__stage.is-armed .cases__step:not(.is-done) .cases__plate {
	opacity: 0;
	transform: translateY(calc(12 * var(--px)));
}
.cases__step.is-on .cases__kind {
	transition: color 320ms var(--ease);
}
.cases__step.is-done .cases__plate {
	transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}
.cases__trace circle { transition: opacity 160ms var(--ease); }
.cases__trace circle.is-off { opacity: 0; }
@media (prefers-reduced-motion: reduce) {
	.cases__tab,
	.cases__tail,
	.cases__panel { transition-duration: 1ms !important; }
	.cases__step .cases__kind,
	.cases__step .cases__plate,
	.cases__trace circle { transition: none !important; }
}
@media (max-width: 900px) {
	.cases__stage {
		display: block;
	}
	.cases__head:not(:first-child) {
		margin-top: var(--sp-3);
	}
	.cases__tab {
		padding: var(--sp-4);
	}
	.cases__tail { display: none; }
	.cases__chev {
		display: block;
		flex: none;
		width: calc(14 * var(--px));
		height: calc(14 * var(--px));
		transition: transform var(--dur) var(--ease);
	}
	.cases__tab[aria-expanded="true"] .cases__chev { transform: rotate(180deg); }
	.cases__panel {
		display: grid;
		grid-template-rows: 0fr;
		visibility: hidden;
		transition: grid-template-rows 0.45s var(--ease), visibility 0s linear 0.45s;
	}
	.cases__panel.is-open {
		grid-template-rows: 1fr;
		visibility: visible;
		transition: grid-template-rows 0.45s var(--ease), visibility 0s;
	}
	.cases__body {
		min-height: 0;
		overflow: hidden;
	}
	.cases__body > .cases__path {
		margin-block: var(--air-2) var(--sp-2);
	}
	.cases__path {
		--wire: calc(14 * var(--px));
		--lead: calc(10 * var(--px));
		--gap: var(--sp-5);
		padding-left: calc(6 * var(--px) + var(--wire) + var(--lead));
	}
	.cases__plate {
		padding: var(--sp-4);
	}
}