/**
 * PT home visual — TOPページの「見せる」部品。
 * ヒーロースライダー（中央大・左右のぞき）、画面イメージ（mock）、PTとは帯の縦長パネル、開発方式のノートPC型図版。
 * pt.css のトークンだけを使う。グラデーションなし、角丸は 0 / 4px / 9999px のみ。
 * 動かすのは transform / opacity のみ。
 */

:root {
	--hero-slide-w: min(1100px, 88vw);
	--hero-gap: clamp(0.75rem, 0.5rem + 1vw, 1.5rem);
	--hero-duration: 6s;
	--ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
	--shadow-float: 0 18px 40px -24px oklch(28% 0.07 200 / 0.35);
	--shadow-deep: 0 30px 60px -30px oklch(20% 0.05 205 / 0.55);
}

/* ---------- hero slider ---------- */

.hero-slider {
	padding-block: clamp(1.25rem, 0.75rem + 2vw, 2.5rem) clamp(2.5rem, 2rem + 2vw, 4rem);
	overflow: hidden;
}

.hero-slider__viewport {
	overflow: hidden;
}

.hero-slider__track {
	position: relative;
	display: flex;
	gap: var(--hero-gap);
	margin: 0;
	padding: 0 0 0 calc((100% - var(--hero-slide-w)) / 2);
	list-style: none;
	transition: transform 0.7s var(--ease-out-expo);
	will-change: transform;
}

/* JS 起動後: 全スライドを同じセルに重ね、--rel（中央からの距離）で左右へ並べる。
   先頭でも末尾でも常に左右にのぞきが出る（循環）。 */
.hero-slider.is-ready .hero-slider__track {
	display: grid;
	justify-content: center;
	padding: 0;
	transition: none;
	will-change: auto;
}

.hero-slider.is-ready .hero-slide {
	grid-area: 1 / 1;
	width: var(--hero-slide-w);
	transform: translateX(calc(var(--rel, 0) * (100% + var(--hero-gap)))) scale(0.96);
}

.hero-slider.is-ready .hero-slide.is-active {
	z-index: 1;
	transform: translateX(0) scale(1);
}

.hero-slider.is-ready .hero-slide.is-wrapping {
	transition: none;
}

.hero-slide {
	position: relative;
	flex: 0 0 var(--hero-slide-w);
	display: grid;
	gap: clamp(1.75rem, 1rem + 2vw, 2.5rem);
	align-items: center;
	min-height: clamp(30rem, 26rem + 10vw, 36rem);
	padding: clamp(1.75rem, 1rem + 3vw, 3.5rem);
	border-radius: 4px;
	overflow: hidden;
	opacity: 0.45;
	transform: scale(0.96);
	transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.hero-slide.is-active {
	opacity: 1;
	transform: scale(1);
}

.hero-slider.is-ready .hero-slide:not(.is-active) {
	cursor: pointer;
}

@media (min-width: 960px) {
	.hero-slide {
		grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
		gap: clamp(2rem, 1rem + 3vw, 4rem);
	}
}

.hero-slide--lead {
	background: var(--color-accent-deep);
	color: var(--color-surface);
}

.hero-slide--estimate {
	border: 1px solid var(--color-line);
	background: var(--color-surface);
	color: var(--color-ink);
}

.hero-slide--dev {
	background: var(--color-accent);
	color: var(--color-surface);
}

/* 背景の構造線（コンテナの目地）。装飾ではなく面を分けるライン。 */
.hero-slide::before {
	content: "";
	position: absolute;
	inset: auto -10% -35% 45%;
	height: 70%;
	border: 1px solid currentColor;
	border-radius: 9999px;
	opacity: 0.12;
	pointer-events: none;
}

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

.hero-slide__label {
	font-size: var(--text-sm);
	font-weight: 700;
	letter-spacing: 0.06em;
	color: oklch(85% 0.05 195);
}

.hero-slide--estimate .hero-slide__label {
	color: var(--color-accent);
}

.hero-slide__title {
	margin-top: 1rem;
	font-size: var(--text-hero);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.01em;
	word-break: auto-phrase;
	color: inherit;
}

.hero-slide__body {
	margin-top: 1.25rem;
	max-width: 34em;
	font-size: 0.9375rem;
	line-height: 1.9;
	opacity: 0.88;
}

.hero-slide__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 2rem;
}

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

/* 中身は、アクティブになった瞬間に少し遅れて持ち上がる（のぞき側でも中身は見せる） */
.hero-slide__copy,
.hero-slide__visual {
	transition: opacity 0.6s var(--ease-out-expo) 0.15s, transform 0.8s var(--ease-out-expo) 0.15s;
}

.hero-slide__visual {
	transition-delay: 0.3s;
}

.hero-slider.is-ready .hero-slide:not(.is-active) .hero-slide__copy,
.hero-slider.is-ready .hero-slide:not(.is-active) .hero-slide__visual {
	transform: translateY(16px);
}

/* ---------- controls ---------- */

.hero-slider__controls {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 1rem 1.5rem;
	width: var(--hero-slide-w);
	margin: 1.25rem auto 0;
}

.hero-slider__count {
	font-size: var(--text-sm);
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	color: var(--color-ink-mute);
}

.hero-slider__count span {
	color: var(--color-accent-deep);
}

.hero-slider__dots {
	display: flex;
	flex: 1 1 12rem;
	gap: 0.5rem;
}

.hero-slider__dot {
	position: relative;
	flex: 1;
	height: 1.5rem;
	padding: 0;
	border: 0;
	background: none;
	cursor: pointer;
}

.hero-slider__dot::before,
.hero-slider__dot-fill {
	content: "";
	position: absolute;
	inset: 50% 0 auto;
	height: 2px;
	margin-top: -1px;
	border-radius: 9999px;
	background: var(--color-line);
}

.hero-slider__dot-fill {
	background: var(--color-accent-deep);
	transform: scaleX(0);
	transform-origin: left center;
}

.hero-slider__dot[aria-current="true"] .hero-slider__dot-fill {
	animation: hero-fill var(--hero-duration) linear forwards;
}

.hero-slider__dot:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

.hero-slider:hover .hero-slider__dot-fill,
.hero-slider:focus-within .hero-slider__dot-fill,
.hero-slider[data-paused] .hero-slider__dot-fill {
	animation-play-state: paused;
}

@keyframes hero-fill {
	to {
		transform: scaleX(1);
	}
}

.hero-slider__buttons {
	display: flex;
	gap: 0.5rem;
}

.hero-slider__btn {
	display: inline-grid;
	place-items: center;
	width: 2.75rem;
	height: 2.75rem;
	border: 1px solid var(--color-line);
	border-radius: 9999px;
	background: var(--color-surface);
	color: var(--color-accent-deep);
	font-size: 1rem;
	cursor: pointer;
	transition: transform 0.25s var(--ease-out-expo);
}

.hero-slider__btn:hover {
	transform: translateY(-2px);
}

.hero-slider__btn:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

/* 一時停止アイコン（2本線）→ 停止中は再生の三角 */
.hero-slider__pause {
	width: 10px;
	height: 12px;
	border-inline: 3px solid currentColor;
}

.hero-slider[data-paused] .hero-slider__pause {
	width: 0;
	height: 0;
	border-block: 6px solid transparent;
	border-inline: 10px solid currentColor;
	border-inline-end: 0;
}

/* ---------- mock（画面イメージ共通） ---------- */

.mock {
	margin: 0;
	color: var(--color-ink);
}

.mock--window {
	border-radius: 4px;
	background: var(--color-surface);
	box-shadow: var(--shadow-deep);
	overflow: hidden;
}

.mock__bar {
	display: flex;
	gap: 0.35rem;
	padding: 0.6rem 0.8rem;
	border-bottom: 1px solid var(--color-line);
	background: var(--color-band);
}

.mock__bar span {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 9999px;
	background: var(--color-line);
}

.mock__caption {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: oklch(85% 0.05 195);
}

.mock__caption--foot {
	padding: 0.5rem 0.9rem;
	border-top: 1px solid var(--color-line);
	color: var(--color-ink-mute);
	font-weight: 400;
}

/* flow: Before → After */

.mock--flow {
	color: var(--color-surface);
}

.mock-flow {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
	gap: 0.75rem;
	align-items: center;
	margin-top: 0.85rem;
}

.mock-flow__col {
	padding: 1rem;
	border: 1px solid oklch(100% 0 0 / 0.25);
	border-radius: 4px;
}

.mock-flow__col--after {
	border-color: var(--color-surface);
	background: var(--color-surface);
	color: var(--color-ink);
	box-shadow: var(--shadow-deep);
	transform: translateY(-0.75rem);
}

.mock-flow__head {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	opacity: 0.75;
}

.mock-flow__col--after .mock-flow__head {
	color: var(--color-accent);
	opacity: 1;
}

.mock-flow__list {
	display: grid;
	gap: 0.5rem;
	margin-top: 0.75rem;
	padding: 0;
	list-style: none;
	counter-reset: flow;
}

.mock-flow__list li {
	display: flex;
	gap: 0.5rem;
	padding-bottom: 0.5rem;
	border-bottom: 1px solid oklch(100% 0 0 / 0.18);
	font-size: 0.8125rem;
	line-height: 1.5;
	counter-increment: flow;
}

.mock-flow__col--after .mock-flow__list li {
	border-bottom-color: var(--color-line);
	font-weight: 700;
}

.mock-flow__list li::before {
	content: counter(flow);
	flex: 0 0 1.25rem;
	height: 1.25rem;
	border-radius: 9999px;
	background: oklch(100% 0 0 / 0.16);
	font-size: 0.6875rem;
	line-height: 1.25rem;
	text-align: center;
}

.mock-flow__col--after .mock-flow__list li::before {
	background: var(--color-accent-deep);
	color: var(--color-surface);
}

.mock-flow__arrow {
	font-size: 1.25rem;
	opacity: 0.8;
}

.mock-flow__foot {
	margin-top: 1rem;
	font-size: 0.8125rem;
	font-weight: 700;
}

/* estimate: 質問画面 */

.mock-est {
	padding: 1.25rem 1.25rem 1.5rem;
}

.mock-est__step {
	font-size: 0.75rem;
	font-weight: 700;
	color: var(--color-accent);
}

.mock-est__progress {
	height: 4px;
	margin-top: 0.5rem;
	border-radius: 9999px;
	background: var(--color-band);
	overflow: hidden;
}

.mock-est__progress span {
	display: block;
	height: 100%;
	background: var(--color-accent);
	transform: scaleX(0.2);
	transform-origin: left center;
}

.mock-est__q {
	margin-top: 1rem;
	font-size: 0.9375rem;
	font-weight: 700;
	line-height: 1.6;
}

.mock-est__options {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.5rem;
	margin-top: 0.85rem;
	padding: 0;
	list-style: none;
}

.mock-est__options li {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.7rem 0.75rem;
	border: 1px solid var(--color-line);
	border-radius: 4px;
	font-size: 0.8125rem;
	line-height: 1.4;
}

.mock-est__options li span {
	flex: 0 0 0.9rem;
	height: 0.9rem;
	border: 1px solid var(--color-ink-mute);
	border-radius: 4px;
}

.mock-est__options li.is-checked {
	border-color: var(--color-accent);
	background: var(--color-band);
	font-weight: 700;
}

.mock-est__options li.is-checked span {
	border-color: var(--color-accent);
	background: var(--color-accent);
	box-shadow: inset 0 0 0 2px var(--color-surface);
}

.mock-est__next {
	display: inline-block;
	margin-top: 1rem;
	padding: 0.55rem 1rem;
	border-radius: 4px;
	background: var(--color-accent-deep);
	color: var(--color-surface);
	font-size: 0.8125rem;
	font-weight: 700;
}

/* app: 業務アプリの管理画面 */

.mock-app {
	display: grid;
	grid-template-columns: 7.5rem minmax(0, 1fr);
	min-height: 17rem;
}

.mock-app__menu {
	margin: 0;
	padding: 0.75rem 0.5rem;
	border-right: 1px solid var(--color-line);
	background: var(--color-band);
	list-style: none;
}

.mock-app__menu li {
	padding: 0.45rem 0.6rem;
	border-radius: 4px;
	font-size: 0.75rem;
	color: var(--color-ink-mute);
}

.mock-app__menu li.is-current {
	background: var(--color-accent-deep);
	color: var(--color-surface);
	font-weight: 700;
}

.mock-app__main {
	padding: 1rem;
}

.mock-app__title {
	font-size: 0.875rem;
	font-weight: 700;
}

.mock-app__chart {
	display: flex;
	align-items: flex-end;
	gap: 0.4rem;
	height: 4.5rem;
	margin-top: 0.75rem;
	padding-bottom: 2px;
	border-bottom: 1px solid var(--color-line);
}

.mock-app__chart span {
	flex: 1;
	height: 100%;
	border-radius: 4px 4px 0 0;
	background: var(--color-accent);
	transform: scaleY(var(--h, 0.5));
	transform-origin: bottom center;
	transition: transform 0.9s var(--ease-out-expo) 0.35s;
}

.mock-app__chart span:nth-child(odd) {
	background: var(--color-accent-bright);
}

.hero-slider.is-ready .hero-slide:not(.is-active) .mock-app__chart span {
	transform: scaleY(0.05);
}

.mock-app__rows {
	display: grid;
	margin-top: 0.75rem;
	padding: 0;
	list-style: none;
}

.mock-app__rows li {
	display: flex;
	justify-content: space-between;
	gap: 0.5rem;
	padding: 0.45rem 0;
	border-bottom: 1px solid var(--color-line);
	font-size: 0.75rem;
}

.mock-app__rows em {
	padding: 0.05rem 0.5rem;
	border-radius: 9999px;
	background: var(--color-band);
	color: var(--color-accent-deep);
	font-style: normal;
	font-weight: 700;
}

.mock-app__rows li:nth-child(3) em {
	background: var(--color-accent);
	color: var(--color-surface);
}

.mock-app__rows li:nth-child(4) em {
	background: transparent;
	color: var(--color-ink-mute);
	box-shadow: inset 0 0 0 1px var(--color-line);
}

/* 濃色スライドの上に置く白ウィンドウは少し傾けず、奥行きだけ付ける */
.hero-slide--dev .mock--app {
	transform: translateX(clamp(0rem, 2vw, 2rem));
}

@media (max-width: 599px) {
	.mock-app {
		grid-template-columns: minmax(0, 1fr);
	}

	.mock-app__menu {
		display: flex;
		gap: 0.25rem;
		overflow: hidden;
		border-right: 0;
		border-bottom: 1px solid var(--color-line);
	}

	.mock-app__menu li {
		white-space: nowrap;
	}

	.mock-est__options {
		grid-template-columns: minmax(0, 1fr);
	}

	.mock-flow {
		grid-template-columns: minmax(0, 1fr);
	}

	.mock-flow__arrow {
		transform: rotate(90deg);
		justify-self: center;
	}

	.mock-flow__col--after {
		transform: none;
	}

	.hero-slide--dev .mock--app {
		transform: none;
	}
}

/* ---------- PTとは帯の縦長パネル ---------- */

.about-panels {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: clamp(0.75rem, 0.5rem + 1vw, 1.25rem);
	align-items: start;
}

.about-panel {
	margin: 0;
	min-height: clamp(20rem, 16rem + 10vw, 27rem);
	border-radius: 4px;
	box-shadow: var(--shadow-deep);
	overflow: hidden;
}

.about-panel--logo {
	display: grid;
	grid-template-rows: 1fr auto;
	place-items: center;
	padding: 1.5rem;
	background: var(--color-surface);
}

.about-panel--logo img {
	width: 78%;
	height: auto;
}

.about-panel--logo figcaption {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.08em;
	color: var(--color-accent);
}

.about-panel--steps {
	padding: 1.5rem 1.25rem;
	background: var(--color-accent);
	transform: translateY(clamp(1.5rem, 1rem + 2vw, 3rem));
}

.about-panel__label {
	font-size: 0.75rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: oklch(90% 0.04 195);
}

.about-steps {
	display: grid;
	gap: 0;
	margin-top: 0.75rem;
	padding: 0;
	list-style: none;
}

.about-steps li {
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr);
	column-gap: 0.25rem;
	padding: 0.8rem 0;
	border-bottom: 1px solid oklch(100% 0 0 / 0.25);
}

.about-steps__no {
	grid-row: span 2;
	font-size: 0.8125rem;
	font-weight: 700;
	opacity: 0.75;
}

.about-steps strong {
	font-size: 1rem;
}

.about-steps__text {
	margin-top: 0.2rem;
	font-size: 0.75rem;
	line-height: 1.6;
	opacity: 0.88;
}

.about-band {
	padding-bottom: calc(var(--space-section-md) + 2rem);
}

@media (max-width: 599px) {
	.about-panels {
		grid-template-columns: minmax(0, 1fr);
	}

	.about-panel {
		min-height: 0;
	}

	.about-panel--logo img {
		width: 50%;
	}

	.about-panel--steps {
		transform: none;
	}
}

/* ---------- 開発方式：ノートPC型図版 ---------- */

.dev-row {
	position: relative;
	box-shadow: var(--shadow-float);
	overflow: hidden;
}

.dev-row__no {
	font-size: clamp(3rem, 2rem + 3vw, 4.5rem);
	letter-spacing: -0.02em;
}

.device {
	position: relative;
	margin: 0;
	padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem) clamp(1rem, 0.5rem + 2vw, 2.5rem) 1rem;
	border-radius: 4px;
	background: var(--color-band);
}

.device__screen {
	border: 8px solid var(--color-ink);
	border-bottom-width: 12px;
	border-radius: 4px 4px 0 0;
	background: var(--color-surface);
	box-shadow: var(--shadow-deep);
	overflow: hidden;
	transition: transform 0.6s var(--ease-out-expo);
}

.dev-row:hover .device__screen {
	transform: translateY(-6px);
}

.device__base {
	width: 112%;
	height: 10px;
	margin-inline: -6%;
	border-radius: 0 0 4px 4px;
	background: var(--color-ink-mute);
}

.device .mock__caption--foot {
	padding: 0.75rem 0 0;
	border-top: 0;
	text-align: center;
}

.device__app {
	padding: 1rem 1.1rem 1.25rem;
}

.device__app-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75rem;
	padding-bottom: 0.75rem;
	border-bottom: 1px solid var(--color-line);
	font-size: 0.875rem;
	font-weight: 700;
	color: var(--color-accent-deep);
}

.device__app-head em {
	flex: none;
	padding: 0.15rem 0.6rem;
	border-radius: 9999px;
	background: var(--color-accent-deep);
	color: var(--color-surface);
	font-size: 0.6875rem;
	font-style: normal;
}

.dev-row--package .device__app-head em {
	background: var(--color-accent);
}

.device__app-label {
	margin-top: 0.85rem;
	font-size: 0.6875rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	color: var(--color-ink-mute);
}

.device__rows {
	display: grid;
	gap: 0.4rem;
	margin-top: 0.5rem;
	padding: 0;
	list-style: none;
}

.device__rows li {
	display: flex;
	gap: 0.65rem;
	align-items: baseline;
	padding: 0.6rem 0.7rem;
	border: 1px solid var(--color-line);
	border-radius: 4px;
	font-size: 0.8125rem;
	line-height: 1.55;
}

.device__rows li:first-child {
	border-color: var(--color-accent);
	background: var(--color-band);
}

.device__row-no {
	flex: none;
	font-size: 0.6875rem;
	font-weight: 700;
	color: var(--color-accent);
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
	.hero-slider__track,
	.hero-slide,
	.hero-slide__copy,
	.hero-slide__visual,
	.mock-app__chart span,
	.device__screen,
	.hero-slider__btn {
		transition: none;
	}

	.hero-slider__dot[aria-current="true"] .hero-slider__dot-fill {
		animation: none;
		transform: scaleX(1);
	}
}