/* Pricing and FAQ refinement: calm Japanese corporate presentation. */
:root {
	--ai-ink: #0b2f56;
	--ai-ink-soft: #405a72;
	--ai-line: #d7e0e8;
	--ai-line-strong: #c6d2de;
	--ai-surface: #ffffff;
	--ai-surface-muted: #f3f6f9;
	--ai-accent: #1769aa;
	--ai-alert: #b42318;
}

.ai-price-section,
.ai-faq-section {
	box-sizing: border-box;
	font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
	scroll-margin-top: 88px;
}

.ai-price-section *,
.ai-faq-section * {
	box-sizing: border-box;
}

.ai-price-section {
	background: #f3f7fa;
	border-top: 1px solid #dce5ed;
	color: var(--ai-ink);
	padding: 104px 24px 112px;
}

.ai-price-section__inner {
	margin: 0 auto;
	max-width: 1120px;
	width: 100%;
}

.ai-price-section__heading {
	margin: 0 auto 48px;
	max-width: 780px;
	position: relative;
	text-align: center;
}

.ai-price-section__heading::before {
	color: rgba(11, 47, 86, 0.045);
	content: "PRICE";
	font-family: Roboto, Arial, sans-serif;
	font-size: 108px;
	font-weight: 400;
	left: 50%;
	letter-spacing: 0.04em;
	line-height: 1;
	position: absolute;
	top: -42px;
	transform: translateX(-50%);
	white-space: nowrap;
	z-index: 0;
}

.ai-price-section__heading > * {
	position: relative;
	z-index: 1;
}

.ai-price-section__eyebrow {
	color: var(--ai-accent);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	line-height: 1.2;
	margin: 0 0 16px;
}

.ai-price-section h2 {
	color: var(--ai-ink);
	font-size: 40px;
	font-weight: 700;
	letter-spacing: 0.02em;
	line-height: 1.5;
	margin: 0 0 18px;
}

.ai-price-section__heading > p:not(.ai-price-section__eyebrow) {
	color: var(--ai-ink-soft);
	font-size: 16px;
	letter-spacing: 0.02em;
	line-height: 1.9;
	margin: 0;
}

.ai-price-plan,
.ai-price-table-wrap,
.ai-price-usage,
.ai-price-discount,
.ai-price-subsidy {
	background: var(--ai-surface);
	border: 1px solid var(--ai-line);
	border-radius: 4px;
	box-shadow: none;
	color: var(--ai-ink);
	margin-top: 20px;
}

.ai-price-plan {
	display: grid;
	grid-template-columns: 330px minmax(0, 1fr);
	margin-top: 0;
	overflow: hidden;
	padding: 0;
}

.ai-price-plan__head {
	background: var(--ai-ink);
	color: #ffffff;
	display: flex;
	flex-direction: column;
	justify-content: center;
	padding: 36px 32px;
}

.ai-price-plan__head span {
	color: rgba(255, 255, 255, 0.72);
	display: block;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.08em;
	line-height: 1.3;
	margin: 0 0 10px;
}

.ai-price-plan__head h3 {
	color: #ffffff;
	font-size: 22px;
	font-weight: 700;
	letter-spacing: 0.02em;
	line-height: 1.45;
	margin: 0 0 16px;
}

.ai-price-plan__head p {
	margin: 0;
}

.ai-price-plan__head strong {
	color: #ffffff;
	display: block;
	font-family: Roboto, "Noto Sans JP", sans-serif;
	font-size: 40px;
	font-weight: 700;
	letter-spacing: 0;
	line-height: 1.1;
	white-space: nowrap;
}

.ai-price-plan__head small {
	color: rgba(255, 255, 255, 0.68);
	display: block;
	font-size: 12px;
	line-height: 1.4;
	margin-top: 8px;
}

.ai-price-plan dl {
	display: grid;
	margin: 0;
	padding: 0;
}

.ai-price-plan dl > div {
	background: #ffffff;
	border-bottom: 1px solid var(--ai-line);
	border-radius: 0;
	display: grid;
	grid-template-columns: 120px minmax(0, 1fr);
	gap: 20px;
	padding: 24px 28px;
}

.ai-price-plan dl > div:last-child {
	border-bottom: 0;
}

.ai-price-plan dt {
	color: var(--ai-ink);
	font-size: 14px;
	font-weight: 700;
	line-height: 1.7;
	margin: 0;
}

.ai-price-plan dd,
.ai-price-discount p,
.ai-price-subsidy p,
.ai-price-footnote {
	color: var(--ai-ink-soft);
	font-size: 15px;
	letter-spacing: 0.02em;
	line-height: 1.85;
	margin: 0;
}

.ai-price-table-wrap {
	overflow: hidden;
	padding: 0;
}

.ai-price-table-wrap > h3,
.ai-price-usage > h3,
.ai-price-discount > h3,
.ai-price-subsidy > h3 {
	color: var(--ai-ink);
	font-size: 16px;
	font-weight: 700;
	letter-spacing: 0.03em;
	line-height: 1.5;
	margin: 0;
}

.ai-price-table-wrap > h3 {
	background: var(--ai-surface-muted);
	border-bottom: 1px solid var(--ai-line);
	padding: 20px 24px;
}

.ai-price-table {
	border-collapse: collapse;
	font-size: 15px;
	line-height: 1.65;
	margin: 0;
	width: 100%;
}

.ai-price-table th,
.ai-price-table td {
	border-bottom: 1px solid var(--ai-line);
	color: #304d67;
	padding: 17px 22px;
	text-align: left;
	vertical-align: middle;
}

.ai-price-table th + th,
.ai-price-table td + td {
	border-left: 1px solid var(--ai-line);
}

.ai-price-table th {
	background: #f8fafc;
	color: var(--ai-ink);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.ai-price-table tbody tr:last-child td {
	border-bottom: 0;
}

.ai-price-table td:first-child {
	color: var(--ai-ink);
	font-weight: 600;
}

.ai-price-table td:nth-child(2) {
	color: var(--ai-ink);
	font-family: Roboto, "Noto Sans JP", sans-serif;
	font-size: 17px;
	font-weight: 700;
	white-space: nowrap;
}

.ai-price-table small,
.ai-price-usage small {
	color: #718295;
	display: block;
	font-size: 12px;
	line-height: 1.5;
	margin-top: 4px;
}

.ai-price-full {
	align-items: baseline;
	background: #edf2f6;
	border-radius: 0;
	border-top: 1px solid var(--ai-line);
	color: var(--ai-ink);
	display: flex;
	font-size: 15px;
	font-weight: 600;
	gap: 14px;
	justify-content: center;
	line-height: 1.5;
	margin: 0;
	padding: 18px 24px;
	text-align: center;
}

.ai-price-full span {
	color: #536a80;
	font-size: 13px;
	font-weight: 600;
}

.ai-price-full strong {
	color: var(--ai-ink);
	font-family: Roboto, "Noto Sans JP", sans-serif;
	font-size: 24px;
	font-weight: 700;
	letter-spacing: 0;
}

.ai-price-usage,
.ai-price-discount,
.ai-price-subsidy {
	padding: 26px 28px 28px;
}

.ai-price-usage > h3,
.ai-price-discount > h3,
.ai-price-subsidy > h3 {
	border-left: 3px solid var(--ai-accent);
	margin-bottom: 14px;
	padding-left: 12px;
}

.ai-price-usage__lead {
	color: var(--ai-ink-soft);
	font-size: 14px;
	line-height: 1.8;
	margin: 0 0 20px;
}

.ai-price-usage__grid {
	border: 1px solid var(--ai-line);
	display: grid;
	gap: 0;
	grid-template-columns: repeat(3, minmax(0, 1fr));
}

.ai-price-usage__grid div {
	background: #ffffff;
	border: 0;
	border-radius: 0;
	min-height: 138px;
	padding: 20px;
}

.ai-price-usage__grid div + div {
	border-left: 1px solid var(--ai-line);
}

.ai-price-usage__item--overage {
	background: #ffffff;
	border-color: var(--ai-line);
}

.ai-price-usage__grid span {
	color: #536a80;
	display: block;
	font-size: 13px;
	font-weight: 600;
	line-height: 1.6;
	margin-bottom: 10px;
}

.ai-price-usage__grid strong {
	color: var(--ai-ink);
	display: block;
	font-family: Roboto, "Noto Sans JP", sans-serif;
	font-size: 20px;
	font-weight: 700;
	line-height: 1.45;
}

.ai-price-overage {
	color: var(--ai-alert);
	display: inline;
	font-weight: 700;
}

.ai-price-note {
	border-top: 1px solid var(--ai-line);
	margin-top: 18px !important;
	padding-top: 18px;
}

.ai-price-footnote {
	color: #65798c;
	margin-top: 18px;
}

.ai-faq-section {
	background: #ffffff;
	border-top: 1px solid #dce5ed;
	color: var(--ai-ink);
	overflow: hidden;
	padding: 104px 24px 112px;
	position: relative;
}

.ai-faq-section::before {
	color: rgba(11, 47, 86, 0.045);
	content: "FAQ";
	font-family: Roboto, Arial, sans-serif;
	font-size: 108px;
	font-weight: 400;
	left: 50%;
	letter-spacing: 0.04em;
	line-height: 1;
	position: absolute;
	top: 62px;
	transform: translateX(-50%);
	white-space: nowrap;
	z-index: 0;
}

.ai-faq-section__inner {
	margin: 0 auto;
	max-width: 920px;
	position: relative;
	z-index: 1;
}

.ai-faq-section__heading {
	margin: 0 auto 48px;
	text-align: center;
}

.ai-faq-section__eyebrow {
	color: var(--ai-accent);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	line-height: 1.2;
	margin: 0 0 16px;
}

.ai-faq-section__heading h2 {
	color: var(--ai-ink);
	font-size: 40px;
	font-weight: 700;
	letter-spacing: 0.02em;
	line-height: 1.5;
	margin: 0;
}

.ai-faq-list {
	border-top: 1px solid var(--ai-line-strong);
	display: block;
	margin: 0;
}

.ai-faq-item {
	background: transparent;
	border: 0;
	border-bottom: 1px solid var(--ai-line-strong);
	border-radius: 0;
	box-shadow: none;
	color: var(--ai-ink);
	padding: 0;
}

.ai-faq-item summary {
	align-items: center;
	color: var(--ai-ink);
	cursor: pointer;
	display: grid;
	font-size: 16px;
	font-weight: 600;
	gap: 16px;
	grid-template-columns: 40px minmax(0, 1fr) 24px;
	letter-spacing: 0.02em;
	line-height: 1.7;
	list-style: none;
	min-height: 84px;
	padding: 18px 8px;
}

.ai-faq-item summary::-webkit-details-marker {
	display: none;
}

.ai-faq-item summary::before {
	align-items: center;
	background: var(--ai-ink);
	color: #ffffff;
	content: "Q";
	display: inline-flex;
	font-family: Roboto, Arial, sans-serif;
	font-size: 15px;
	font-weight: 700;
	height: 32px;
	justify-content: center;
	line-height: 1;
	margin: 0;
	transition: none;
	width: 32px;
}

.ai-faq-item summary::after {
	color: var(--ai-accent);
	content: "+";
	font-family: Arial, sans-serif;
	font-size: 24px;
	font-weight: 400;
	line-height: 1;
	text-align: center;
}

.ai-faq-item[open] summary::before {
	content: "Q";
}

.ai-faq-item[open] summary::after {
	content: "−";
}

.ai-faq-item p {
	color: var(--ai-ink-soft);
	font-size: 15px;
	letter-spacing: 0.02em;
	line-height: 1.9;
	margin: 0;
	padding: 0 48px 28px 64px;
}

.ai-faq-item summary:focus-visible {
	outline: 2px solid var(--ai-accent);
	outline-offset: 2px;
}

@media (max-width: 1024px) {
	.ai-price-plan {
		grid-template-columns: 290px minmax(0, 1fr);
	}

	.ai-price-plan__head strong {
		font-size: 38px;
	}

	.ai-price-plan dl > div {
		grid-template-columns: 105px minmax(0, 1fr);
		padding: 22px 24px;
	}
}

@media (max-width: 767px) {
	.ai-price-section,
	.ai-faq-section {
		padding: 72px 16px 88px;
		scroll-margin-top: 64px;
	}

	.ai-price-section__heading,
	.ai-faq-section__heading {
		margin-bottom: 34px;
		text-align: left;
	}

	.ai-price-section__heading::before {
		font-size: 68px;
		left: auto;
		right: -4px;
		top: -22px;
		transform: none;
	}

	.ai-price-section__eyebrow,
	.ai-faq-section__eyebrow {
		font-size: 12px;
		margin-bottom: 12px;
	}

	.ai-price-section h2,
	.ai-faq-section__heading h2 {
		font-size: 28px;
		line-height: 1.5;
	}

	.ai-price-section__heading > p:not(.ai-price-section__eyebrow) {
		font-size: 14px;
		line-height: 1.85;
	}

	.ai-price-plan,
	.ai-price-table-wrap,
	.ai-price-usage,
	.ai-price-discount,
	.ai-price-subsidy {
		border-radius: 4px;
	}

	.ai-price-plan {
		grid-template-columns: 1fr;
	}

	.ai-price-plan__head {
		padding: 28px 22px;
	}

	.ai-price-plan__head h3 {
		font-size: 20px;
		margin-bottom: 12px;
	}

	.ai-price-plan__head strong {
		font-size: 34px;
	}

	.ai-price-plan dl > div {
		gap: 8px;
		grid-template-columns: 1fr;
		padding: 20px;
	}

	.ai-price-table-wrap > h3 {
		padding: 18px;
	}

	.ai-price-table {
		display: block;
		min-width: 0;
	}

	.ai-price-table thead {
		display: none;
	}

	.ai-price-table tbody,
	.ai-price-table tr,
	.ai-price-table td {
		display: block;
		width: 100%;
	}

	.ai-price-table tr {
		background: #ffffff;
		border-bottom: 1px solid var(--ai-line-strong);
		border-radius: 0;
		margin: 0;
		overflow: visible;
		padding: 16px 18px;
	}

	.ai-price-table tr:last-child {
		border-bottom: 0;
	}

	.ai-price-table td,
	.ai-price-table td + td {
		border: 0;
		padding: 5px 0 5px 82px;
		position: relative;
		white-space: normal;
	}

	.ai-price-table td::before {
		color: #718295;
		content: "";
		font-size: 11px;
		font-weight: 600;
		left: 0;
		position: absolute;
		top: 7px;
		width: 68px;
	}

	.ai-price-table td:nth-child(1)::before {
		content: "オプション";
	}

	.ai-price-table td:nth-child(2)::before {
		content: "月額";
	}

	.ai-price-table td:nth-child(3)::before {
		content: "備考";
	}

	.ai-price-table td:nth-child(2) {
		font-size: 16px;
	}

	.ai-price-full {
		align-items: flex-start;
		flex-direction: column;
		gap: 4px;
		padding: 17px 18px;
		text-align: left;
	}

	.ai-price-full strong {
		font-size: 22px;
	}

	.ai-price-usage,
	.ai-price-discount,
	.ai-price-subsidy {
		padding: 22px 18px;
	}

	.ai-price-usage__grid {
		grid-template-columns: 1fr;
	}

	.ai-price-usage__grid div {
		min-height: 0;
		padding: 17px 18px;
	}

	.ai-price-usage__grid div + div {
		border-left: 0;
		border-top: 1px solid var(--ai-line);
	}

	.ai-faq-section::before {
		font-size: 68px;
		left: auto;
		right: 12px;
		top: 52px;
		transform: none;
	}

	.ai-faq-item summary {
		font-size: 15px;
		gap: 12px;
		grid-template-columns: 32px minmax(0, 1fr) 20px;
		line-height: 1.65;
		min-height: 76px;
		padding: 16px 0;
	}

	.ai-faq-item summary::before {
		font-size: 13px;
		height: 28px;
		width: 28px;
	}

	.ai-faq-item summary::after {
		font-size: 22px;
	}

	.ai-faq-item p {
		font-size: 14px;
		line-height: 1.9;
		padding: 0 32px 22px 44px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ai-faq-item summary::before,
	.ai-faq-item summary::after {
		transition: none;
	}
}
@media (min-width: 768px) and (max-width: 900px) {
	.ai-price-section h2 {
		font-size: 34px !important;
		line-height: 1.5 !important;
	}
}

@media (max-width: 767px) {
	.ai-price-section h2 {
		font-size: 24px !important;
		letter-spacing: 0 !important;
		line-height: 1.55 !important;
	}
}

@media (max-width: 375px) {
	.ai-price-section h2 {
		font-size: 22px !important;
	}
}