:root {
	font-family:
		"Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
	color: #111827;
	background: #fff;
}
* {
	box-sizing: border-box;
}
body {
	margin: 0;
	min-height: 100vh;
	-webkit-font-smoothing: antialiased;
}
.page-bg {
	position: absolute;
	inset: 0 0 auto;
	height: 650px;
	z-index: -1;
	background:
		radial-gradient(ellipse 70% 45% at 18% 9%, #fda4af4d, transparent 70%),
		radial-gradient(ellipse 55% 40% at 90% 35%, #fb71852a, transparent 70%),
		linear-gradient(135deg, #fff1f2, #fff 48%, #f4f4f5);
}
.page-bg::after {
	content: "";
	position: absolute;
	inset: 0;
	opacity: 0.3;
	background-image: radial-gradient(circle, #9f123933 1px, transparent 1px);
	background-size: 24px 24px;
}
a {
	color: inherit;
}
.site-header {
	padding: 20px 24px 0;
}
.site-header nav {
	max-width: 1200px;
	margin: auto;
	padding: 10px 22px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	background: white;
	border: 1px solid #f3f4f6;
	border-radius: 999px;
	box-shadow: 0 3px 20px #8813370c;
}
.brand {
	display: flex;
	align-items: center;
	gap: 10px;
	text-decoration: none;
	font-size: 17px;
	font-weight: 900;
	letter-spacing: -0.025em;
	white-space: nowrap;
}
.brand img {
	object-fit: contain;
}
.header-link {
	border: 1px solid #ffe4e6;
	border-radius: 999px;
	padding: 9px 16px;
	color: #881337;
	font-size: 12px;
	font-weight: 800;
	text-decoration: none;
	white-space: nowrap;
}
.header-link:hover {
	background: #fff1f2;
}
main {
	max-width: 1200px;
	margin: auto;
	padding: 60px 28px 80px;
}
.hero {
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
	align-items: center;
	gap: 48px;
	min-height: 470px;
}
.badge {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	padding: 8px 15px;
	border: 1px solid #ffe4e6;
	border-radius: 999px;
	background: #ffffffd9;
	color: #9f1239;
	font-size: 11px;
	font-weight: 800;
	letter-spacing: 0.08em;
	box-shadow: 0 2px 12px #8813370b;
}
.badge-dot {
	width: 8px;
	height: 8px;
	background: #e11d48;
	border-radius: 50%;
}
h1 {
	margin: 22px 0;
	font-size: clamp(34px, 4.2vw, 60px);
	line-height: 1.14;
	font-weight: 900;
	letter-spacing: -0.05em;
}
h1 span {
	color: #be123c;
}
.lead {
	max-width: 620px;
	color: #4b5563;
	font-size: clamp(15px, 1.6vw, 18px);
	line-height: 1.85;
}
.controls {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin: 28px 0 15px;
}
button {
	padding: 14px 18px;
	border-radius: 12px;
	border: 1px solid transparent;
	font: inherit;
	font-size: 13px;
	font-weight: 800;
	cursor: pointer;
}
button:disabled {
	cursor: not-allowed;
	opacity: 0.48;
}
button.primary {
	background: #e11d48;
	color: white;
	box-shadow: 0 10px 20px #e11d4830;
}
button.primary:not(:disabled):hover {
	background: #be123c;
}
button.secondary {
	background: white;
	color: #881337;
	border-color: #fecdd3;
}
button.secondary:not(:disabled):hover {
	background: #fff1f2;
}
button.quiet {
	background: transparent;
	border-color: #e5e7eb;
	color: #4b5563;
}
#status {
	min-height: 2.5em;
	margin: 0;
	font-size: 13px;
	color: #6b7280;
	line-height: 1.5;
}
.preview {
	margin: 0;
	background: #fff;
	border: 1px solid #ffe4e6;
	border-radius: 28px;
	padding: 12px;
	box-shadow: 0 24px 55px #88133716;
	overflow: hidden;
}
.preview-image {
	border-radius: 20px;
	overflow: hidden;
	background: #f6e4e9;
}
.preview-image img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 4 / 3;
	object-fit: cover;
}
.preview figcaption {
	display: flex;
	flex-direction: column;
	gap: 3px;
	padding: 15px 13px 7px;
	font-size: 12px;
	color: #6b7280;
	line-height: 1.5;
}
.preview figcaption strong {
	color: #111827;
	font-size: 14px;
}
.details {
	padding-top: 45px;
}
.eyebrow {
	color: #be123c;
	font-size: 11px;
	font-weight: 900;
	letter-spacing: 0.24em;
}
h2 {
	margin: 0 0 24px;
	font-size: clamp(25px, 3vw, 36px);
	line-height: 1.3;
	letter-spacing: -0.04em;
}
.cards {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 15px;
}
.card {
	padding: 26px;
	background: white;
	border: 1px solid #ffe4e6;
	border-radius: 20px;
	box-shadow: 0 4px 16px #88133708;
}
.step {
	color: #e11d48;
	font-size: 14px;
	font-weight: 900;
	letter-spacing: 0.12em;
}
h3 {
	margin: 12px 0 9px;
	font-size: 17px;
	letter-spacing: -0.03em;
}
.card p {
	margin: 0;
	color: #6b7280;
	font-size: 13px;
	line-height: 1.75;
}
.readout {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 15px;
	margin-top: 18px;
}
.readout div {
	display: flex;
	flex-direction: column;
	gap: 7px;
	padding: 18px 22px;
	background: #fff1f2;
	border-radius: 16px;
}
.readout span {
	color: #9f1239;
	font-size: 12px;
	font-weight: 700;
}
.readout div strong {
	font-size: 16px;
}
.note {
	margin: 20px 0 0;
	color: #6b7280;
	font-size: 12px;
	line-height: 1.7;
}
:focus-visible {
	outline: 3px solid #e11d48;
	outline-offset: 3px;
}
@media (max-width: 850px) {
	.hero {
		grid-template-columns: 1fr;
		gap: 28px;
	}
	.preview {
		max-width: 580px;
	}
	main {
		padding-top: 40px;
	}
}
@media (max-width: 650px) {
	.site-header {
		padding: 12px 12px 0;
	}
	.site-header nav {
		padding: 8px 14px;
	}
	.brand {
		font-size: 14px;
	}
	.brand img {
		width: 28px;
		height: 28px;
	}
	.header-link {
		font-size: 10px;
		padding: 7px 10px;
	}
	main {
		padding: 30px 18px 60px;
	}
	.cards,
	.readout {
		grid-template-columns: 1fr;
	}
	.card {
		padding: 20px;
	}
}