:root {
	color-scheme: light;
	font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	color: #171719;
	background: #f7fbfe;
	font-synthesis: none;
	--ink: #171719;
	--muted: #626b73;
	--line: rgb(23 23 25 / 10%);
	--sky: #6ec9fe;
	--blue: #009cf7;
	--violet: #c084fc;
	--yellow: #ffd76a;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	min-width: 320px;
	margin: 0;
	overflow-x: hidden;
	background: #f7fbfe;
}

a {
	color: inherit;
}

.page-width {
	width: min(1240px, calc(100% - 64px));
	margin-inline: auto;
}

.site-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	height: 92px;
	border-bottom: 1px solid var(--line);
}

.brand {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-family: "Arial Rounded MT Bold", "Avenir Next", sans-serif;
	font-size: 19px;
	font-weight: 900;
	letter-spacing: 0.065em;
	text-decoration: none;
}

.brand img {
	width: 42px;
	height: 42px;
}

.header-nav {
	display: flex;
	align-items: center;
	gap: 28px;
	font-size: 14px;
	font-weight: 700;
}

.header-nav > a:not(.header-cta) {
	color: #525a61;
	text-underline-offset: 4px;
}

.header-cta {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding-inline: 19px;
	border-radius: 999px;
	color: white;
	background: var(--ink);
	text-decoration: none;
}

.hero {
	display: grid;
	grid-template-columns: minmax(0, 0.92fr) minmax(480px, 1.08fr);
	gap: clamp(48px, 6vw, 96px);
	align-items: center;
	min-height: 760px;
	padding-block: 70px 90px;
}

.hero-copy {
	position: relative;
	z-index: 2;
}

.eyebrow {
	margin: 0 0 22px;
	color: #168acb;
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.13em;
}

h1,
h2,
h3,
p {
	word-break: keep-all;
}

h1 {
	margin: 0;
	font-family: "Arial Rounded MT Bold", "Avenir Next", Pretendard, sans-serif;
	font-size: clamp(58px, 5.5vw, 84px);
	font-weight: 900;
	line-height: 1.05;
	letter-spacing: -0.065em;
}

h1 span {
	background: linear-gradient(100deg, #007dcc 8%, #7e45d8 88%);
	background-clip: text;
	color: transparent;
}

.lead {
	max-width: 600px;
	margin: 32px 0 0;
	color: #535d65;
	font-size: 20px;
	line-height: 1.75;
	letter-spacing: -0.02em;
}

.hero-actions {
	display: flex;
	gap: 18px;
	align-items: center;
	margin-top: 38px;
}

.primary-button {
	display: inline-flex;
	gap: 18px;
	align-items: center;
	justify-content: center;
	min-height: 58px;
	padding-inline: 26px 20px;
	border-radius: 18px;
	color: white;
	background: var(--ink);
	box-shadow: 0 14px 30px rgb(23 23 25 / 18%);
	font-size: 16px;
	font-weight: 800;
	text-decoration: none;
	transition:
		transform 180ms ease,
		box-shadow 180ms ease;
}

.primary-button span {
	display: grid;
	width: 29px;
	height: 29px;
	place-items: center;
	border-radius: 50%;
	color: var(--ink);
	background: var(--sky);
}

.primary-button:hover {
	transform: translateY(-3px);
	box-shadow: 0 20px 34px rgb(23 23 25 / 22%);
}

.hero-actions > p {
	max-width: 170px;
	margin: 0;
	color: #79828a;
	font-size: 12px;
	line-height: 1.55;
}

.story-stage {
	position: relative;
	min-height: 610px;
	isolation: isolate;
}

.story-stage::before {
	position: absolute;
	inset: 5% -14% 2% 2%;
	z-index: -3;
	border-radius: 50% 42% 48% 38%;
	background:
		linear-gradient(140deg, rgb(255 255 255 / 78%), rgb(255 255 255 / 28%)),
		linear-gradient(135deg, #dff5ff, #efe4ff);
	box-shadow: inset 0 0 0 1px rgb(255 255 255 / 60%);
	content: "";
	transform: rotate(-4deg);
}

.stage-glow {
	position: absolute;
	z-index: -2;
	border-radius: 50%;
	filter: blur(2px);
}

.stage-glow-sky {
	top: -20px;
	right: 4%;
	width: 260px;
	height: 260px;
	background: rgb(110 201 254 / 34%);
}

.stage-glow-violet {
	bottom: 18px;
	left: -30px;
	width: 240px;
	height: 240px;
	background: rgb(192 132 252 / 24%);
}

.story-orbit {
	position: absolute;
	inset: 35px 0 0 24px;
	z-index: -1;
	border: 1px dashed rgb(23 23 25 / 14%);
	border-radius: 50%;
	transform: rotate(-10deg);
}

.story-orbit span {
	position: absolute;
	width: 9px;
	height: 9px;
	border: 2px solid white;
	border-radius: 50%;
	background: var(--blue);
	box-shadow: 0 2px 8px rgb(0 156 247 / 35%);
}

.story-orbit span:nth-child(1) {
	top: 16%;
	right: 6%;
}

.story-orbit span:nth-child(2) {
	right: 0;
	bottom: 27%;
	background: var(--violet);
}

.story-orbit span:nth-child(3) {
	bottom: 5%;
	left: 19%;
	background: var(--yellow);
}

.chat-window {
	position: absolute;
	top: 25px;
	left: 50%;
	z-index: 2;
	width: min(420px, 76%);
	min-height: 550px;
	overflow: hidden;
	border: 1px solid rgb(23 23 25 / 9%);
	border-radius: 28px;
	background: white;
	box-shadow: 0 30px 70px rgb(57 68 84 / 22%);
	transform: translateX(-45%) rotate(1.5deg);
}

.chat-header {
	display: grid;
	grid-template-columns: 24px 1fr auto;
	gap: 14px;
	align-items: center;
	min-height: 62px;
	padding: 10px 18px;
	border-bottom: 1px solid rgb(23 23 25 / 8%);
}

.character-avatar {
	display: grid;
	width: 24px;
	height: 24px;
	place-items: center;
}

.character-avatar img {
	width: 24px;
	height: 24px;
}

.chat-header strong {
	display: block;
	font-size: 15px;
	letter-spacing: -0.025em;
}

.chat-header span {
	display: block;
	margin-top: 3px;
	color: #8b8b91;
	font-size: 10px;
}

.chat-header-actions {
	display: flex;
	gap: 12px;
	align-items: center;
}

.chat-header-actions img {
	width: 20px;
	height: 20px;
}

.chat-header-actions img:last-child {
	width: 22px;
	height: 22px;
}

.chat-body {
	display: flex;
	flex-direction: column;
	gap: 20px;
	min-height: 418px;
	padding: 24px 18px 18px;
	background: white;
}

.scene-note {
	margin: 0;
	padding-block: 5px;
	color: #6c6c71;
	font-size: 13px;
	line-height: 1.8;
}

.character-row {
	display: flex;
	gap: 8px;
	align-items: flex-start;
	max-width: 85%;
}

.message-avatar {
	display: grid;
	width: 32px;
	height: 32px;
	flex: 0 0 32px;
	place-items: center;
	overflow: hidden;
	border-radius: 50%;
	color: white;
	background: linear-gradient(145deg, #ad75e6, #7550bc);
	font-size: 11px;
	font-weight: 800;
}

.character-content {
	display: flex;
	min-width: 0;
	flex-direction: column;
	gap: 4px;
}

.character-content > strong {
	font-size: 12px;
	line-height: 18px;
}

.message {
	margin: 0;
	padding: 9px 10px 8px;
	border-radius: 13.5px;
	font-size: 15px;
	line-height: 22px;
}

.character-message {
	position: relative;
	width: fit-content;
	color: #171719;
	background: #f2f2f3;
}

.character-message::before {
	position: absolute;
	top: 3px;
	left: -5px;
	width: 10px;
	height: 11px;
	background: #f2f2f3;
	clip-path: polygon(100% 0, 100% 100%, 0 12%);
	content: "";
}

.user-row {
	display: flex;
	justify-content: flex-end;
}

.user-message {
	position: relative;
	max-width: 85%;
	color: #171719;
	background: #bae6fd;
}

.user-message::after {
	position: absolute;
	top: 3px;
	right: -5px;
	width: 10px;
	height: 11px;
	background: #bae6fd;
	clip-path: polygon(0 0, 100% 12%, 0 100%);
	content: "";
}

.choices {
	display: grid;
	gap: 8px;
	justify-items: end;
	margin-top: 2px;
}

.choices p {
	margin: 0;
	color: #6c6c71;
	font-size: 10px;
	line-height: 15px;
}

.choices p span {
	margin-right: 4px;
	color: #45a9d8;
	font-weight: 800;
}

.choices > span {
	max-width: 85%;
	padding: 8px 12px;
	border: 1px solid #bae6fd;
	border-radius: 9px;
	color: #171719;
	background: #eaf8ff;
	font-size: 12px;
	line-height: 1.45;
	text-align: left;
}

.chat-input-preview {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 46px;
	margin: 9px 18px 14px;
	padding: 8px 8px 8px 16px;
	border-radius: 999px;
	color: #a3a3a7;
	background: #f2f2f3;
	font-size: 12px;
}

.chat-input-preview i {
	display: grid;
	width: 28px;
	height: 28px;
	place-items: center;
	border-radius: 50%;
	color: white;
	background: #171719;
	font-style: normal;
}

.chat-input-preview i img {
	width: 18px;
	height: 18px;
}

.floating-note {
	position: absolute;
	z-index: 3;
	display: flex;
	gap: 10px;
	align-items: center;
	padding: 12px 15px;
	border: 1px solid rgb(23 23 25 / 7%);
	border-radius: 16px;
	background: rgb(255 255 255 / 91%);
	box-shadow: 0 14px 34px rgb(57 68 84 / 14%);
	backdrop-filter: blur(12px);
}

.floating-note > span {
	display: grid;
	width: 27px;
	height: 27px;
	place-items: center;
	border-radius: 9px;
	color: #347dab;
	background: #dff4ff;
	font-weight: 900;
}

.floating-note p {
	margin: 0;
	color: #747c83;
	font-size: 10px;
	line-height: 1.4;
}

.floating-note strong {
	display: block;
	color: var(--ink);
}

.floating-note-top {
	top: 120px;
	right: -16px;
	transform: rotate(4deg);
}

.floating-note-bottom {
	bottom: 58px;
	left: -8px;
	transform: rotate(-5deg);
}

.stage-mascot {
	position: absolute;
	right: 14px;
	bottom: 6px;
	z-index: 4;
	width: 90px;
	height: 90px;
	filter: drop-shadow(0 16px 18px rgb(24 118 168 / 18%));
	transform: rotate(-7deg);
}

.experience-section {
	color: white;
	background: #171719;
}

.experience-section > .page-width {
	display: grid;
	grid-template-columns: 0.82fr 1.18fr;
	gap: 72px;
	padding-block: 110px;
}

.experience-section .eyebrow {
	color: #64c5f8;
}

.section-heading h2 {
	margin: 0;
	font-family: "Arial Rounded MT Bold", "Avenir Next", Pretendard, sans-serif;
	font-size: clamp(42px, 4.3vw, 62px);
	font-weight: 900;
	line-height: 1.1;
	letter-spacing: -0.055em;
}

.section-heading > p:last-child {
	max-width: 430px;
	margin: 28px 0 0;
	color: #9ea3a9;
	font-size: 15px;
	line-height: 1.75;
}

.experience-list {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 14px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.experience-list li {
	position: relative;
	min-height: 330px;
	padding: 24px 20px;
	border: 1px solid rgb(255 255 255 / 10%);
	border-radius: 22px;
	background: #202023;
}

.experience-list li:nth-child(2) {
	margin-top: 30px;
}

.step-number {
	color: #73737a;
	font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
	font-size: 10px;
}

.step-icon {
	display: grid;
	width: 50px;
	height: 50px;
	margin-top: 70px;
	place-items: center;
	border-radius: 15px;
	color: #171719;
	font-size: 18px;
	font-weight: 900;
	transform: rotate(-5deg);
}

.step-icon-sky {
	background: var(--sky);
}

.step-icon-violet {
	background: var(--violet);
}

.step-icon-yellow {
	background: var(--yellow);
}

.experience-list h3 {
	margin: 20px 0 10px;
	font-size: 16px;
	letter-spacing: -0.025em;
}

.experience-list p {
	margin: 0;
	color: #97979d;
	font-size: 12px;
	line-height: 1.65;
}

.privacy-section {
	display: grid;
	grid-template-columns: 90px minmax(0, 0.9fr) minmax(320px, 1.1fr);
	gap: 34px;
	align-items: center;
	padding-block: 110px;
}

.privacy-mark {
	display: grid;
	width: 76px;
	height: 76px;
	place-items: center;
	border-radius: 24px;
	background: #e3f6ff;
}

.privacy-mark img {
	width: 52px;
	height: 52px;
}

.privacy-section .eyebrow {
	margin-bottom: 12px;
}

.privacy-section h2 {
	margin: 0;
	font-family: "Arial Rounded MT Bold", "Avenir Next", Pretendard, sans-serif;
	font-size: clamp(32px, 3.3vw, 48px);
	font-weight: 900;
	line-height: 1.16;
	letter-spacing: -0.05em;
}

.privacy-copy {
	padding-left: 34px;
	border-left: 1px solid var(--line);
}

.privacy-copy p {
	margin: 0;
	color: #5d666e;
	font-size: 15px;
	line-height: 1.8;
}

.privacy-copy strong {
	color: var(--ink);
}

.privacy-copy a {
	display: inline-block;
	margin-top: 18px;
	color: #177cad;
	font-size: 13px;
	font-weight: 800;
	text-underline-offset: 4px;
}

.site-footer {
	border-top: 1px solid var(--line);
	background: white;
}

.site-footer > div {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 150px;
}

.footer-brand {
	font-size: 15px;
}

.footer-brand img {
	width: 34px;
	height: 34px;
}

.footer-meta {
	display: flex;
	gap: 26px;
	align-items: center;
	color: #858b91;
	font-size: 12px;
}

.footer-meta nav {
	display: flex;
	gap: 18px;
}

.footer-meta a {
	text-underline-offset: 3px;
}

a:focus-visible {
	outline: 3px solid rgb(0 156 247 / 38%);
	outline-offset: 4px;
}

@media (max-width: 980px) {
	.page-width {
		width: min(100% - 40px, 760px);
	}

	.hero {
		grid-template-columns: 1fr;
		gap: 54px;
		padding-block: 72px 88px;
	}

	.hero-copy {
		max-width: 680px;
		text-align: center;
	}

	.lead {
		margin-inline: auto;
	}

	.hero-actions {
		justify-content: center;
	}

	.story-stage {
		width: min(100%, 650px);
		margin-inline: auto;
	}

	.experience-section > .page-width {
		grid-template-columns: 1fr;
		gap: 52px;
	}

	.experience-list li {
		min-height: 290px;
	}

	.privacy-section {
		grid-template-columns: 76px 1fr;
	}

	.privacy-copy {
		grid-column: 1 / -1;
		padding: 26px 0 0;
		border-top: 1px solid var(--line);
		border-left: 0;
	}
}

@media (max-width: 620px) {
	.page-width {
		width: min(100% - 32px, 520px);
	}

	.site-header {
		height: 70px;
	}

	.brand {
		gap: 8px;
		font-size: 15px;
	}

	.brand img {
		width: 32px;
		height: 32px;
	}

	.header-nav > a:not(.header-cta) {
		display: none;
	}

	.header-cta {
		min-height: 38px;
		padding-inline: 15px;
		font-size: 12px;
	}

	.hero {
		padding-block: 54px 72px;
	}

	h1 {
		font-size: clamp(42px, 12vw, 58px);
	}

	.lead {
		font-size: 16px;
	}

	.hero-actions {
		flex-direction: column;
		margin-top: 30px;
	}

	.hero-actions > p {
		max-width: none;
	}

	.story-stage {
		min-height: 510px;
	}

	.story-stage::before {
		inset: 2% -22% 1% -12%;
	}

	.story-orbit,
	.floating-note-top {
		display: none;
	}

	.chat-window {
		top: 6px;
		width: 92%;
		min-height: 480px;
		transform: translateX(-50%);
	}

	.chat-header {
		padding-inline: 14px;
	}

	.chat-body {
		min-height: 408px;
		padding: 20px 14px 14px;
	}

	.choices {
		gap: 7px;
	}

	.chat-input-preview {
		margin-inline: 14px;
	}

	.floating-note-bottom {
		bottom: -8px;
		left: -4px;
	}

	.stage-mascot {
		right: -4px;
		bottom: -16px;
		width: 72px;
		height: 72px;
	}

	.experience-section > .page-width {
		padding-block: 76px;
	}

	.section-heading h2 {
		font-size: 40px;
	}

	.experience-list {
		grid-template-columns: 1fr;
	}

	.experience-list li,
	.experience-list li:nth-child(2) {
		display: grid;
		grid-template-columns: 48px 1fr;
		column-gap: 16px;
		min-height: auto;
		margin-top: 0;
		padding: 20px;
	}

	.step-number {
		grid-column: 1 / -1;
	}

	.step-icon {
		grid-row: 2 / 4;
		margin-top: 22px;
	}

	.experience-list h3 {
		margin-top: 24px;
	}

	.privacy-section {
		grid-template-columns: 58px 1fr;
		gap: 18px;
		padding-block: 76px;
	}

	.privacy-mark {
		width: 54px;
		height: 54px;
		border-radius: 17px;
	}

	.privacy-mark img {
		width: 38px;
		height: 38px;
	}

	.privacy-section h2 {
		font-size: 30px;
	}

	.site-footer > div {
		flex-direction: column;
		gap: 22px;
		align-items: flex-start;
		justify-content: center;
		padding-block: 36px;
	}

	.footer-meta {
		flex-direction: column;
		gap: 12px;
		align-items: flex-start;
	}

	.footer-meta nav {
		flex-wrap: wrap;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	.primary-button {
		transition: none;
	}
}
