:root{--build-id:"04f7f2a0-f2a1-4472-8737-27de5d28e559";}
@charset "UTF-8";

/* 변수 적용: L16, C24, T01, B12, N07, K12, S07, H12, F4, CS12 */

/* F4 폰트 스택 */
:root {
  --font-primary: "Segoe UI Variable", "Malgun Gothic", "Noto Sans KR", Arial, system-ui, sans-serif;

  /* C24 색상 팔레트 */
  --primary: #db2777;
  --bg: #fce7f3;
  --text: #9f1239;
  --accent: #ec4899;
  --heading: #9f1239;
  --link: #9f1239;

  /* S07 여백 시스템 */
  --section-padding: 5.5rem 0;
  --container-width: 1250px;
  --gap: 3.25rem;
}

/* 기본 스타일 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: var(--bg);
}

/* H12 헤딩 스타일 */
h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 3.1875rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.5469rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

a:hover {
  opacity: 0.8;
}

a:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Container */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* N07 네비게이션 */
header {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--primary);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  font-weight: 500;
  color: var(--text);
  padding: 0.5rem 0;
  position: relative;
}

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
}

nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
  }

  nav li {
    border-bottom: 1px solid #f0f0f0;
  }

  nav a {
    display: block;
    padding: 1rem 0;
  }
}

/* B12 버튼 스타일 */
.btn-primary,
.btn-secondary {
  display: inline-block;
  border-radius: 1rem;
  padding: 1.25rem 2.5rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: #fff;
}

/* 섹션 공통 스타일 */
section {
  padding: var(--section-padding);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #fff 0%, var(--bg) 100%);
  text-align: center;
  padding: 6rem 0;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-icon {
  color: var(--primary);
  margin-bottom: 2rem;
}

.hero-description {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  color: var(--text);
}

.hero-cta {
  margin-top: 2rem;
}

/* Intro Section */
.intro-section {
  background-color: #fff;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
  margin-top: 2rem;
}

.intro-item {
  text-align: center;
}

.intro-icon {
  font-size: 2.5rem;
  color: var(--primary);
  display: block;
  margin-bottom: 1rem;
}

/* Features Section */
.features-section {
  background-color: var(--bg);
}

.features-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
  margin-top: 2rem;
}

/* K12 카드 스타일 */
.feature-card {
  background: #f3f4f6;
  border-radius: 0;
  padding: 2rem;
  text-align: center;
}

.feature-svg {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

/* Usage Section */
.usage-section {
  background-color: #fff;
}

.usage-steps {
  display: grid;
  gap: var(--gap);
  margin-top: 2rem;
}

.step-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  text-align: center;
}

.cta-section h2,
.cta-section p {
  color: #fff;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.cta-section .btn-primary {
  background-color: #fff;
  color: var(--primary);
}

.cta-section .btn-secondary {
  border-color: #fff;
  color: #fff;
}

.cta-section .btn-secondary:hover {
  background-color: #fff;
  color: var(--primary);
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, #fff 0%, var(--bg) 100%);
  text-align: center;
  padding: 4rem 0 3rem;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--text);
  opacity: 0.8;
}

/* Content Section */
.content-section {
  background-color: #fff;
}

.content-section:nth-child(even) {
  background-color: var(--bg);
}

.content-block {
  max-width: 900px;
  margin: 0 auto;
}

/* Benefit Card */
.benefit-card {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-top: 2rem;
}

.benefit-icon {
  flex-shrink: 0;
  font-size: 2rem;
  color: var(--primary);
}

.benefit-content h3 {
  margin-top: 0;
}

/* Tip Item */
.tip-item {
  margin-bottom: 3rem;
}

.tip-item:last-child {
  margin-bottom: 0;
}

/* Contact Section */
.contact-section {
  background-color: #fff;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
  margin-bottom: 3rem;
}

.contact-item {
  text-align: center;
  padding: 2rem;
  background-color: var(--bg);
  border-radius: 1rem;
}

.contact-icon {
  font-size: 3rem;
  color: var(--primary);
  display: block;
  margin-bottom: 1rem;
}

.contact-description {
  font-size: 0.9375rem;
  color: var(--text);
  opacity: 0.8;
}

.contact-notice {
  background-color: var(--bg);
  padding: 2rem;
  border-radius: 1rem;
  border-left: 4px solid var(--primary);
}

.contact-notice ul {
  list-style-position: inside;
  margin-top: 1rem;
}

.contact-notice li {
  margin-bottom: 0.75rem;
}

/* Footer */
footer {
  background-color: var(--text);
  color: #fff;
  padding: 3rem 0 1.5rem;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.footer-brand {
  margin-bottom: 2rem;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.footer-description {
  color: #fff;
  opacity: 0.8;
}

.footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.footer-nav a {
  color: #fff;
  opacity: 0.9;
}

.footer-nav a:hover {
  opacity: 1;
  color: var(--accent);
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
}

.footer-legal a {
  color: #fff;
  opacity: 0.7;
}

.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.6;
  color: #fff;
}

/* Doc Container */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.doc-container h1 {
  margin-bottom: 2rem;
}

.doc-container p {
  margin-bottom: 1.5rem;
}

/* 반응형 */
@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
    --gap: 2rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero-section {
    padding: 4rem 0;
  }

  .step-item {
    flex-direction: column;
  }

  .benefit-card {
    flex-direction: column;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
  }
}

/* 키보드 포커스 */
input:focus-visible,
label:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}