:root {
  color-scheme: light;
  font-family:
    Pretendard,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    'Noto Sans KR',
    sans-serif;
  color: #13223a;
  background: #fff;
  font-synthesis: none;
  --navy: #0d1c38;
  --green: #176b51;
  --muted: #526176;
  --line: #dce3e9;
}

* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
}
h1,
h2,
h3,
p {
  margin: 0;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
a:hover {
  text-decoration-thickness: 2px;
}
a:focus-visible,
summary:focus-visible {
  outline: 3px solid #1979df;
  outline-offset: 5px;
}
.container {
  width: min(1160px, calc(100% - 64px));
  margin-inline: auto;
}
.skip-link {
  position: absolute;
  left: 20px;
  top: -100px;
  z-index: 10;
  padding: 10px 18px;
  background: #fff;
  color: var(--navy);
  border-radius: 6px;
  font-weight: 700;
}
.skip-link:focus {
  top: 16px;
}
.site-header {
  border-bottom: 1px solid #e8edf0;
  background: #fff;
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  white-space: nowrap;
}
.brand img {
  display: block;
  width: 102px;
  height: 32px;
  object-fit: contain;
}
.brand span {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  font-weight: 600;
}
.guide-link {
  text-decoration: none;
}
.guide-link:hover {
  text-decoration: underline;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-height: 48px;
  padding: 11px 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 700;
  text-decoration: none;
  transition:
    background-color 150ms ease,
    border-color 150ms ease;
}
.button-small {
  min-height: 40px;
  padding: 8px 19px;
  font-size: 14px;
}
.button-primary {
  color: #fff;
  background: var(--green);
  border-color: var(--green);
}
.button-primary:hover {
  background: #11513d;
  border-color: #11513d;
}
.button-outline {
  color: var(--navy);
  border-color: #bfcbd6;
  background: #fff;
}
.button-outline:hover {
  background: #edf3f5;
  border-color: #8b9fb1;
}
.button-on-dark {
  color: #fff;
  border-color: #677990;
  background: transparent;
}
.button-on-dark:hover {
  background: #26394f;
  border-color: #a5b5c4;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero {
  color: #fff;
  background: linear-gradient(115deg, #0d1c38 36%, #153d40 100%);
}
.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  gap: 72px;
  padding-block: 68px;
}
.eyebrow {
  margin-bottom: 12px;
  color: var(--green);
  font-size: 12px;
  line-height: 1.5;
  font-weight: 750;
  letter-spacing: 0.09em;
}
.hero .eyebrow {
  color: #9cdbc3;
}
h1 {
  font-size: clamp(32px, 3.4vw, 46px);
  line-height: 1.3;
  font-weight: 750;
  letter-spacing: -1.5px;
}
.hero-description {
  max-width: 540px;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.85;
  color: #cad6e5;
}
.hero .actions {
  margin-top: 30px;
}
.hero .button-primary {
  background: #8cd9b8;
  border-color: #8cd9b8;
  color: #0d3427;
}
.hero .button-primary:hover {
  background: #b0e9d0;
  border-color: #b0e9d0;
}
.hero a:focus-visible {
  outline-color: #a6dbff;
}
.hero-overview {
  padding: 28px;
  border: 1px solid #587077;
  border-radius: 14px;
  background: #ffffff08;
}
.overview-label {
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 650;
  color: #bbd8d0;
}
.overview-list {
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.overview-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.step-number {
  display: grid;
  flex: 0 0 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  background: #8cd9b819;
  color: #a5e8cb;
  font-size: 12px;
  font-weight: 700;
}
.overview-list strong {
  display: block;
  font-size: 18px;
  font-weight: 650;
  line-height: 1.5;
}
.overview-list div > span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: #bdced6;
}
.section {
  padding-block: 64px;
}
.section-heading {
  margin-bottom: 28px;
}
h2 {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 750;
  letter-spacing: -0.8px;
}
.section-heading > p:last-child:not(.eyebrow) {
  margin-top: 12px;
  color: var(--muted);
}
.definition-heading {
  display: grid;
  grid-template-columns: 1fr 1.55fr;
  align-items: center;
  gap: 52px;
}
.definition-heading > p:last-child {
  max-width: 650px;
  margin-top: 0;
  line-height: 1.9;
}
.scope-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.scope-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.scope-label {
  margin-bottom: 6px;
  color: var(--green);
  font-size: 13px;
  font-weight: 750;
}
h3 {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.scope-card h3 + p {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
}
.scope-example {
  margin-top: 17px;
  padding-top: 15px;
  border-top: 1px solid #edf0f3;
  font-size: 12px;
  color: #596a7b;
}
.features-section {
  background: #f4f7f8;
  border-block: 1px solid #e8edf0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 36px;
}
.feature-number {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 750;
  color: var(--green);
}
.feature-grid p {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}
.workflow {
  margin-top: 30px;
  padding: 23px 26px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.workflow h3 {
  margin-bottom: 16px;
  font-size: 15px;
}
.workflow ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.workflow li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px;
  font-weight: 600;
}
.workflow li span {
  display: inline-grid;
  place-items: center;
  flex: 0 0 23px;
  height: 23px;
  border-radius: 50%;
  background: #e6f2ec;
  color: #225b47;
  font-size: 11px;
}
.faq-section {
  display: grid;
  grid-template-columns: 1fr 1.8fr;
  gap: 64px;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-list details {
  border-bottom: 1px solid var(--line);
}
.faq-list summary {
  position: relative;
  padding: 20px 30px 20px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 650;
  list-style: none;
}
.faq-list summary::-webkit-details-marker {
  display: none;
}
.faq-list summary::after {
  content: '+';
  position: absolute;
  top: 17px;
  right: 3px;
  color: var(--green);
  font-size: 22px;
  font-weight: 400;
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details > p {
  padding: 0 24px 22px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}
.start-section {
  background: #edf5f1;
  border-block: 1px solid #dfebe4;
}
.start-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-block: 36px;
}
.start-inner h2 {
  font-size: 23px;
}
.start-inner p {
  margin-top: 8px;
  font-size: 14px;
  color: var(--muted);
}
.start-inner .actions {
  flex-shrink: 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 27px;
  color: var(--muted);
  font-size: 12px;
}
.footer-inner p {
  font-weight: 700;
}
.footer-inner p span {
  margin-left: 12px;
  font-weight: 400;
}
.footer-inner a {
  white-space: nowrap;
}

@media (max-width: 980px) {
  .hero-inner {
    gap: 36px;
  }
  .hero-overview {
    padding: 22px;
  }
  .overview-list div > span {
    font-size: 12px;
  }
  .definition-heading {
    grid-template-columns: 1fr 1.3fr;
    gap: 36px;
  }
  .scope-card {
    padding: 20px;
  }
  .feature-grid {
    gap: 22px;
  }
  .workflow ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
  .faq-section {
    gap: 36px;
  }
  .start-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 700px) {
  .container {
    width: calc(100% - 40px);
  }
  .header-inner {
    min-height: 70px;
    gap: 16px;
  }
  .brand {
    gap: 8px;
  }
  .brand img {
    width: 80px;
    height: 26px;
  }
  .brand span {
    font-size: 15px;
  }
  .site-header nav {
    gap: 12px;
  }
  .site-header .guide-link {
    display: none;
  }
  .button-small {
    min-height: 38px;
    padding: 8px 13px;
    font-size: 13px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    padding-block: 42px;
    gap: 32px;
  }
  h1 {
    font-size: clamp(29px, 6.3vw, 40px);
    letter-spacing: -1.1px;
  }
  .hero-description {
    margin-top: 18px;
    font-size: 15px;
  }
  .hero .actions {
    margin-top: 24px;
  }
  .hero-overview {
    padding: 22px;
  }
  .overview-label {
    margin-bottom: 16px;
  }
  .overview-list {
    gap: 18px;
  }
  .overview-list strong {
    font-size: 16px;
  }
  .overview-list div > span {
    font-size: 13px;
  }
  .section {
    padding-block: 42px;
  }
  h2 {
    font-size: 25px;
  }
  .section-heading {
    margin-bottom: 24px;
  }
  .section-heading > p:last-child:not(.eyebrow) {
    font-size: 14px;
  }
  .definition-heading {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .definition-heading > p:last-child {
    margin-top: 0;
  }
  .desktop-break {
    display: none;
  }
  .scope-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .scope-card {
    padding: 21px;
  }
  .scope-card h3 + p {
    margin-top: 8px;
  }
  .scope-example {
    margin-top: 12px;
    padding-top: 12px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .feature-grid article + article {
    border-top: 1px solid var(--line);
    padding-top: 22px;
  }
  .feature-number {
    margin-bottom: 7px;
  }
  .feature-grid p {
    margin-top: 8px;
  }
  .workflow {
    margin-top: 26px;
    padding: 22px;
  }
  .workflow ol {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .workflow li {
    align-items: center;
    font-size: 14px;
  }
  .faq-section {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .faq-list summary {
    font-size: 14px;
  }
  .start-inner {
    padding-block: 30px;
    gap: 22px;
  }
  .start-inner h2 {
    font-size: 22px;
  }
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-block: 24px;
  }
  .footer-inner p span {
    display: block;
    margin: 5px 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .button {
    transition: none;
  }
}