:root {
  color-scheme: light;
  --green-900: #183d31;
  --green-700: #28745a;
  --green-100: #e7f2ec;
  --ink: #17211d;
  --muted: #66716c;
  --line: #dce4df;
  --paper: #ffffff;
  --canvas: #f7f9f7;
  --yellow: #e9b949;
  --blue: #5d83a8;
  --coral: #d57762;
  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", sans-serif;
  line-height: 1.65;
  letter-spacing: 0;
  word-break: keep-all;
}

a {
  color: inherit;
}

.shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 10px 14px;
  color: white;
  background: var(--green-900);
  border-radius: 4px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgb(247 249 247 / 92%);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--green-900);
  font-size: 17px;
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
}

nav {
  display: flex;
  gap: 24px;
}

nav a {
  padding-block: 20px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

nav a[aria-current="page"] {
  color: var(--green-700);
  border-color: var(--green-700);
}

.hero {
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr);
  align-items: center;
  gap: 80px;
  padding-block: 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green-700);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  color: var(--green-900);
  font-size: 52px;
  line-height: 1.16;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  color: var(--green-900);
  font-size: 30px;
  line-height: 1.3;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
}

.lead {
  max-width: 640px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 19px;
}

.primary-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  color: white;
  background: var(--green-700);
  border: 1px solid var(--green-700);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--green-900);
  border-color: var(--green-900);
}

.app-mark {
  display: flex;
  justify-content: center;
}

.app-mark img {
  width: min(100%, 176px);
  height: auto;
  border-radius: 36px;
  box-shadow: 0 18px 48px rgb(24 61 49 / 18%);
}

.section-band {
  padding-block: 78px;
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section-heading {
  margin-bottom: 34px;
}

.help-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.help-item {
  min-height: 220px;
  padding: 26px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-top: 4px solid var(--green-700);
}

.help-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.help-item .number {
  display: block;
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.accent-yellow { border-top-color: var(--yellow); }
.accent-blue { border-top-color: var(--blue); }
.accent-coral { border-top-color: var(--coral); }

.contact-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 72px;
  align-items: start;
  padding-block: 84px;
}

.contact-section > div:first-child > p:last-child {
  color: var(--muted);
}

.contact-panel {
  padding: 28px;
  background: var(--green-100);
  border-left: 4px solid var(--green-700);
}

.contact-panel > div + div {
  margin-top: 22px;
}

.contact-panel a,
.policy-contact a {
  color: var(--green-900);
  font-size: 18px;
  font-weight: 750;
}

.contact-panel p {
  margin-bottom: 0;
}

.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.contact-panel .fine-print {
  margin-top: 24px;
  padding-top: 18px;
  color: var(--muted);
  font-size: 13px;
  border-top: 1px solid rgb(40 116 90 / 20%);
}

.policy-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 80px;
  padding-block: 72px 96px;
}

.policy-summary {
  position: sticky;
  top: 112px;
  align-self: start;
}

.policy-summary h1 {
  font-size: 42px;
}

.policy-summary > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 14px;
}

.summary-note {
  margin-top: 30px;
  padding: 20px;
  background: var(--green-100);
  border-left: 4px solid var(--green-700);
}

.summary-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--green-900);
}

.summary-note p {
  margin-bottom: 0;
  color: #40554c;
  font-size: 14px;
}

.policy-content {
  min-width: 0;
  padding: 40px 48px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.policy-intro {
  margin-bottom: 42px;
  color: #3f4c46;
  font-size: 17px;
}

.policy-content section + section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--line);
}

.policy-content h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 23px;
}

.policy-content h2 span {
  color: var(--green-700);
  font-size: 13px;
}

.policy-content p,
.policy-content li {
  color: #46524c;
  font-size: 15px;
}

.policy-content ul {
  padding-left: 20px;
}

.policy-content li + li {
  margin-top: 6px;
}

.text-link {
  color: var(--green-700);
  font-weight: 700;
  text-underline-offset: 3px;
}

.policy-contact {
  margin-top: 24px;
  padding: 22px;
  background: var(--green-100);
  border-left: 4px solid var(--green-700);
}

footer {
  color: var(--muted);
  background: var(--paper);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

footer a {
  color: var(--green-700);
  font-weight: 650;
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 32px), var(--max-width));
  }

  .header-inner {
    min-height: 62px;
  }

  .brand span {
    display: none;
  }

  nav {
    gap: 16px;
  }

  nav a {
    padding-block: 17px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 38px;
    padding-block: 54px 62px;
  }

  .hero-copy {
    order: 2;
  }

  .app-mark {
    justify-content: flex-start;
  }

  .app-mark img {
    width: 104px;
    border-radius: 23px;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 26px;
  }

  .lead {
    font-size: 17px;
  }

  .section-band {
    padding-block: 58px;
  }

  .help-grid,
  .contact-section,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .help-item {
    min-height: auto;
  }

  .contact-section {
    gap: 28px;
    padding-block: 62px;
  }

  .policy-layout {
    gap: 32px;
    padding-block: 48px 68px;
  }

  .policy-summary {
    position: static;
  }

  .policy-summary h1 {
    font-size: 36px;
  }

  .policy-content {
    padding: 28px 22px;
  }

  .policy-content section + section {
    margin-top: 36px;
    padding-top: 36px;
  }

  .footer-inner {
    min-height: 64px;
  }
}

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