:root {
  color-scheme: light;
  --ink: #202322;
  --muted: #5a625e;
  --red: #d90000;
  --red-hover: #af0000;
  --line: #dce1de;
  --paper: #ffffff;
  --wash: #f4f6f5;
  --green: #176149;
  --mint: #eaf3ee;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Malgun Gothic", sans-serif;
  font-size: 16px;
  letter-spacing: 0;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.75; overflow-wrap: anywhere; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { color: var(--red); }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 5px; border-radius: 2px; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { line-height: 1.35; font-weight: 700; word-break: keep-all; }
h1 { font-size: 42px; }
h2 { font-size: 28px; }
h3 { font-size: 20px; }
p { color: var(--muted); word-break: keep-all; }
.wrap { width: min(1080px, calc(100% - 64px)); margin-inline: auto; }
.skip { position: fixed; left: 20px; top: -100px; z-index: 5; padding: 8px 18px; background: white; border: 1px solid var(--green); }
.skip:focus { top: 12px; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; font-weight: 750; line-height: 1.2; text-decoration: none; white-space: nowrap; }
.wordmark img { width: 32px; height: 32px; }
.navigation { display: flex; align-items: center; justify-content: flex-end; gap: 28px; flex-wrap: wrap; }
.navigation a { font-size: 14px; text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.navigation [aria-current="page"] { color: var(--red); text-decoration: underline; text-decoration-thickness: 2px; }
.navigation .language { color: var(--muted); border-left: 1px solid var(--line); padding-left: 24px; }
.intro { padding-block: 46px 40px; text-align: center; }
.intro-logo { width: 80px; height: 80px; margin: 0 auto 22px; }
.intro h1 { font-size: 48px; }
.tagline { font-size: 24px; font-weight: 600; color: var(--ink); margin-top: 12px; line-height: 1.5; word-break: keep-all; }
.intro-copy { max-width: 600px; margin: 14px auto 0; font-size: 17px; word-break: keep-all; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-top: 26px; }
.button { display: inline-flex; align-items: center; justify-content: center; text-align: center; gap: 10px; min-height: 48px; padding: 10px 22px; border-radius: 6px; border: 1px solid var(--line); font-weight: 600; text-decoration: none; line-height: 1.5; background: white; }
.button:hover { background: var(--wash); color: var(--ink); border-color: #8c9790; }
.button.primary { background: var(--red); border-color: var(--red); color: white; }
.button.primary:hover { background: var(--red-hover); border-color: var(--red-hover); }
.store-note { font-size: 12px; margin-top: 16px; }
.features { padding-block: 32px 48px; border-top: 1px solid var(--line); }
.section-label { font-size: 14px; font-weight: 600; color: var(--green); margin-bottom: 28px; }
.feature-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.feature { border-top: 2px solid var(--line); padding-top: 18px; }
.feature:nth-child(2) { border-color: #a6c6b5; }
.feature:nth-child(3) { border-color: #e3a3a3; }
.feature-number { display: block; color: var(--muted); font-size: 12px; margin-bottom: 12px; font-variant-numeric: tabular-nums; }
.feature h3 { font-size: 18px; margin-bottom: 10px; }
.feature p { font-size: 15px; }
.start-band { background: var(--mint); padding-block: 42px; }
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.band-inner h2 { font-size: 26px; margin-bottom: 10px; }
.text-link { color: var(--green); font-weight: 600; }
.band-inner > a { flex-shrink: 0; }
.help-band { padding-block: 42px; }
.help-band h2 { font-size: 24px; margin-bottom: 8px; }
.site-footer { border-top: 1px solid var(--line); background: var(--wash); padding-block: 30px; }
.footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 28px; }
.footer-brand { font-weight: 700; font-size: 14px; }
.footer-note { font-size: 12px; margin-top: 4px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; max-width: 460px; }
.footer-links a { font-size: 13px; min-height: 32px; display: inline-flex; align-items: center; }
.page-heading { padding-block: 48px 32px; max-width: 760px; }
.page-heading p { font-size: 18px; margin-top: 16px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 700px) minmax(0, 260px); justify-content: space-between; gap: 48px; padding-bottom: 56px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: steps; }
.steps li { counter-increment: steps; border-top: 1px solid var(--line); padding: 26px 0 26px 54px; position: relative; }
.steps li::before { content: counter(steps, decimal-leading-zero); position: absolute; left: 0; top: 27px; color: var(--red); font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; }
.steps p { margin: 10px 0; }
.steps h2 { font-size: 22px; }
.steps a { font-size: 15px; }
.aside { border-top: 2px solid var(--green); padding-top: 22px; align-self: start; }
.aside h2 { font-size: 18px; margin-bottom: 10px; }
.aside p { font-size: 14px; }
.aside p + p { margin-top: 12px; }
.aside a { margin-top: 18px; display: inline-block; font-size: 14px; }
.article-section { padding-block: 28px; border-top: 1px solid var(--line); }
.article-section h2 { font-size: 24px; margin-bottom: 12px; }
.article-section p + p { margin-top: 12px; }
.address { display: block; padding: 14px 16px; margin-block: 16px; background: var(--wash); border-left: 3px solid var(--green); font-size: 14px; overflow-wrap: anywhere; user-select: all; }
.questions { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 22px 28px 22px 0; cursor: pointer; font-size: 17px; font-weight: 600; }
details p { padding-bottom: 24px; }
details[open] summary { color: var(--green); }
.contact-list { padding-left: 20px; margin: 14px 0 22px; color: var(--muted); }
.contact-list li { margin-top: 6px; }
.contact-email { display: block; margin-top: 12px; }
.not-found { max-width: 720px; min-height: 55vh; padding-block: 64px; }
.not-found h1 { margin-bottom: 16px; }
.not-found .actions { justify-content: flex-start; }
@media (prefers-reduced-motion: no-preference) {
  a { transition: color 120ms ease, background-color 120ms ease, border-color 120ms ease; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 100px; flex-wrap: wrap; justify-content: center; gap: 2px; padding-block: 12px 6px; }
  .wordmark { font-size: 15px; }
  .wordmark img { width: 28px; height: 28px; }
  .navigation { width: 100%; justify-content: center; gap: 22px; }
  .navigation a { font-size: 13px; }
  .navigation .language { padding-left: 18px; }
  .intro { padding-block: 26px 28px; }
  .intro-logo { width: 60px; height: 60px; margin-bottom: 16px; }
  .intro h1 { font-size: 36px; }
  .tagline { font-size: 20px; margin-top: 12px; }
  .intro-copy { font-size: 15px; max-width: 520px; }
  .actions { gap: 10px; margin-top: 20px; }
  .button { padding: 10px 17px; font-size: 14px; }
  .store-note { font-size: 11px; margin-top: 14px; }
  .features { padding-block: 26px 32px; }
  .section-label { margin-bottom: 20px; }
  .feature-list { grid-template-columns: 1fr; gap: 22px; }
  .feature { display: grid; grid-template-columns: 28px minmax(0, 1fr); column-gap: 12px; padding-top: 16px; }
  .feature-number { grid-row: span 2; padding-top: 3px; }
  .feature h3 { font-size: 17px; margin-bottom: 6px; }
  .band-inner, .footer-inner { align-items: flex-start; flex-direction: column; gap: 22px; }
  .band-inner h2 { font-size: 23px; }
  .start-band, .help-band { padding-block: 32px; }
  .footer-links { justify-content: flex-start; gap: 4px 20px; }
  .page-heading { padding-block: 32px 26px; }
  h1 { font-size: 32px; }
  .page-heading p { font-size: 16px; }
  .article-grid { grid-template-columns: minmax(0, 1fr); gap: 24px; padding-bottom: 36px; }
  .steps li { padding-left: 40px; }
  .steps h2 { font-size: 20px; }
  .article-section h2 { font-size: 22px; }
  .aside { padding-top: 18px; }
}
@media (max-width: 360px) {
  .navigation { gap: 14px; }
  .navigation .language { padding-left: 12px; }
  .intro h1 { font-size: 32px; }
}
