:root {
	--navy: #12376b;
	--blue: #1c6bb5;
	--orange: #f26b38;
	--line: #dfe5ec;
	--ink: #17212f;
	--muted: #64748b;
}
* {
	box-sizing: border-box;
}
body {
	margin: 0;
	background: #f5f7fa;
	color: var(--ink);
	font-family: Arial, "Noto Sans KR", sans-serif;
	font-size: 15px;
	line-height: 1.6;
}
a {
	color: inherit;
	text-decoration: none;
}
.mobile-header {
	background: #fff;
	border-bottom: 1px solid var(--line);
}
.mobile-logo {
	display: block;
	padding: 17px 20px 12px;
	color: var(--navy);
	font-size: 20px;
	font-weight: 800;
	letter-spacing: -1px;
	text-align: center;
}
.mobile-header nav {
	display: flex;
	border-top: 1px solid var(--line);
}
.mobile-header nav a {
	flex: 1;
	padding: 11px 4px;
	border-right: 1px solid var(--line);
	text-align: center;
	font-size: 14px;
}
.mobile-header nav a:last-child {
	border: 0;
}
.mobile-header nav .is-active {
	background: var(--navy);
	color: #fff;
}
.mobile-main {
	max-width: 760px;
	margin: 0 auto;
	background: #fff;
	min-height: 70vh;
}
.mobile-hero {
	padding: 44px 20px;
	background: linear-gradient(135deg, #0f2e5a, #247ac0);
	color: #fff;
}
.mobile-hero p,
.section-heading p {
	margin: 0;
	color: #7fc4ff;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: 1.5px;
}
.mobile-hero h1 {
	margin: 8px 0 0;
	font-size: 29px;
	letter-spacing: -1.5px;
}
.mobile-shortcuts {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: 1px;
	background: var(--line);
}
.shortcut {
	padding: 17px 6px;
	color: #fff;
	text-align: center;
	font-size: 13px;
	font-weight: 700;
}
.hrd {
	background: #f28732;
}
.payment {
	background: #208fdb;
}
.kakao {
	background: #f4cf2e;
	color: #382d00;
}
.mobile-section {
	padding: 28px 18px;
}
.section-heading {
	margin-bottom: 20px;
}
.section-heading h1,
.section-heading h2 {
	margin: 3px 0 0;
	font-size: 25px;
	letter-spacing: -1.4px;
}
.course-list {
	display: grid;
	gap: 12px;
}
.course-card,
.info-box {
	padding: 19px;
	border: 1px solid var(--line);
	border-radius: 8px;
	background: #fff;
}
.course-card h2,
.course-card h3,
.info-box h2 {
	margin: 0 0 12px;
	font-size: 18px;
	line-height: 1.4;
	letter-spacing: -0.8px;
}
.course-card dl {
	margin: 0;
}
.course-card dl div {
	display: grid;
	grid-template-columns: 76px 1fr;
	padding: 5px 0;
	border-top: 1px solid #eff2f5;
}
.course-card dt {
	color: var(--muted);
}
.course-card dd {
	margin: 0;
	word-break: break-word;
}
.course-actions {
	display: flex;
	gap: 7px;
	margin-top: 16px;
}
.course-actions a,
.primary-button {
	display: block;
	flex: 1;
	padding: 11px 9px;
	border: 0;
	border-radius: 4px;
	background: var(--blue);
	color: #fff;
	text-align: center;
	font-weight: 700;
	cursor: pointer;
}
.course-actions .secondary {
	background: #64748b;
}
.empty-message {
	padding: 18px;
	background: #f8fafc;
	color: var(--muted);
	text-align: center;
}
.mobile-form {
	display: grid;
	gap: 17px;
	margin-top: 20px;
}
.mobile-form label,
.mobile-form fieldset {
	display: grid;
	gap: 6px;
	border: 0;
	margin: 0;
	padding: 0;
	font-weight: 700;
}
.mobile-form input {
	width: 100%;
	padding: 12px;
	border: 1px solid #b9c4d0;
	border-radius: 4px;
	font: inherit;
}
.mobile-form .split-input {
	display: grid;
	grid-template-columns: 1fr 88px;
	gap: 8px;
}
.privacy-agree {
	display: flex !important;
	align-items: center;
	font-size: 14px;
}
.privacy-agree input {
	width: auto;
}
.privacy-text {
	padding: 12px;
	border: 1px solid var(--line);
	font-size: 13px;
}
.privacy-text p {
	margin: 8px 0 0;
}
.history-intro {
	padding: 15px;
	background: #f0f6fc;
}
.history-item {
	padding: 15px 0;
	border-bottom: 1px solid var(--line);
}
.history-item h2 {
	margin: 0;
	color: var(--blue);
	font-size: 21px;
}
.history-item ul {
	margin: 6px 0 0;
	padding-left: 20px;
}
.info-box {
	margin-bottom: 14px;
}
.info-box h3 {
	margin: 18px 0 4px;
	font-size: 16px;
}
.info-box p {
	margin: 0;
}
.info-box .primary-button {
	margin-top: 15px;
}
.mobile-footer {
	max-width: 760px;
	margin: 0 auto;
	padding: 24px 18px;
	background: #263445;
	color: #dbe4ed;
	font-size: 12px;
	text-align: center;
}
.mobile-footer p {
	margin: 2px;
}
.mobile-footer a {
	display: inline-block;
	margin-top: 10px;
	padding: 5px 10px;
	border: 1px solid #708196;
	border-radius: 3px;
}
.payment-page {
	padding-bottom: 35px;
}
.payment-section {
	padding: 18px;
	border-top: 8px solid #f3f6f9;
}
.payment-section h2 {
	margin: 0 0 15px;
	font-size: 18px;
}
.payment-form {
	display: grid;
	gap: 13px;
}
.payment-form label {
	display: grid;
	gap: 5px;
	font-weight: 700;
}
.payment-form input,
.payment-form select {
	width: 100%;
	padding: 12px;
	border: 1px solid #b9c4d0;
	border-radius: 4px;
	background: #fff;
	font: inherit;
}
.agreement {
	padding: 12px 0;
	border-top: 1px solid var(--line);
}
.agreement-head {
	display: flex;
	justify-content: space-between;
	gap: 8px;
}
.agreement-head label {
	display: block;
}
.detail-button {
	border: 0;
	background: none;
	color: var(--blue);
	font-weight: 700;
	cursor: pointer;
}
.agreement-detail {
	display: none;
	margin-top: 10px;
	padding: 12px;
	background: #f6f8fb;
	font-size: 13px;
}
.agreement-detail.is-open {
	display: block;
}
.payment-result {
	padding: 35px 18px;
	text-align: center;
}
.payment-result h1 {
	font-size: 25px;
}
.payment-result dl {
	text-align: left;
}
.payment-result dl div {
	display: grid;
	grid-template-columns: 90px 1fr;
	padding: 10px;
	border-top: 1px solid var(--line);
}
.payment-result dd {
	margin: 0;
}
@media (min-width: 600px) {
	.mobile-main {
		box-shadow: 0 0 30px rgba(21, 42, 70, 0.08);
	}
	.mobile-section {
		padding: 36px;
	}
	.course-card dl div {
		grid-template-columns: 100px 1fr;
	}
}