:root {
  color-scheme: light;
  --paper: #f7f5ef;
  --ink: #292923;
  --muted: #6e6b61;
  --gold: #87682e;
  --line: #dcd8cc;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 6px; border-radius: 2px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 1; padding: 12px; background: var(--paper); transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.page-shell { width: min(100% - 112px, 1160px); min-height: 100svh; margin-inline: auto; display: flex; flex-direction: column; }
.masthead { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 32px; border-bottom: 1px solid var(--line); }
.wordmark { display: inline-flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: .16em; font-weight: 650; }
.gold-mark { display: block; width: 13px; height: 13px; border-radius: 50%; background: var(--gold); }
.masthead-note { color: var(--muted); font-size: 12px; letter-spacing: .03em; }
main { width: 100%; max-width: 960px; margin: auto; padding: 78px 0 72px; outline: none; }
.intro { text-align: center; }
.eyebrow { margin: 0 0 22px; font-size: 11px; font-weight: 650; letter-spacing: .24em; color: var(--gold); }
h1 { margin: 0; font-size: clamp(36px, 4.7vw, 60px); line-height: 1.2; letter-spacing: -.065em; font-weight: 550; word-break: keep-all; }
.unit { margin: 23px 0 0; font-size: 16px; letter-spacing: -.025em; color: var(--muted); }
.unit > span:first-child { color: var(--gold); }
.unit-divider { padding-inline: 12px; }
.quote { margin-top: 64px; }
.prices { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); margin: 0; }
.price-item { min-width: 0; padding: 5px 16px 14px; text-align: center; }
.price-item + .price-item { border-left: 1px solid var(--line); }
dt { display: flex; flex-direction: column; gap: 9px; }
.price-label { font-size: 19px; letter-spacing: -.035em; font-weight: 600; }
.price-condition { color: var(--muted); font-size: 13px; }
dd { margin: 25px 0 0; font-size: clamp(36px, 5.1vw, 64px); font-weight: 500; letter-spacing: -.055em; line-height: 1.12; white-space: nowrap; font-variant-numeric: tabular-nums lining-nums; }
.currency { margin-left: 8px; font-size: 20px; font-weight: 400; letter-spacing: -.03em; }
.source-date { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 12px; margin: 37px 0 0; color: var(--muted); font-size: 13px; }
.source-date time { color: var(--ink); font-variant-numeric: tabular-nums; letter-spacing: .025em; }
.status { max-width: 440px; margin: 22px auto 0; color: #765727; font-size: 13px; line-height: 1.7; text-align: center; word-break: keep-all; }
.source { display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: 8px 12px; margin-top: 35px; font-size: 13px; }
.source-label { color: var(--muted); font-size: 12px; }
.source a { text-decoration-color: var(--line); }
.source a:hover { text-decoration-color: var(--gold); }
.source a span[lang] { margin-left: 5px; font-size: 11px; color: var(--muted); }
.external-arrow { margin-left: 6px; color: var(--gold); }
footer { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; padding-block: 24px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.8; }
footer p { margin: 0; word-break: keep-all; }
.footer-unit { flex-shrink: 0; font-size: 10px; letter-spacing: .12em; }
.privacy-links { display: flex; flex-wrap: wrap; gap: 0 20px; margin-top: 6px; }
.privacy-links a, .privacy-links button { display: inline-flex; align-items: center; min-height: 44px; color: inherit; font: inherit; text-decoration: underline; text-underline-offset: 3px; }
.privacy-links button { border: 0; background: none; padding: 0; cursor: pointer; }
.privacy-links [hidden] { display: none; }
.privacy-links :focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.calculator { max-width: 540px; margin: 32px auto 0; padding-top: 25px; border-top: 1px solid var(--line); }
.calculator-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 17px; }
.calculator-heading h2 { font-size: 16px; font-weight: 600; letter-spacing: -.03em; margin: 0; }
.calculator-heading > span { font-size: 12px; color: var(--muted); }
.calculator fieldset { display: flex; align-items: center; gap: 12px; border: 0; padding: 0; margin: 0; min-width: 0; }
.weight-field { display: flex; flex: 1; align-items: center; gap: 12px; min-width: 0; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px; background: #fffcf7; }
.weight-field label { flex-shrink: 0; color: var(--muted); font-size: 13px; }
.weight-field input { width: 100%; min-width: 0; height: 46px; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: 18px; text-align: right; outline: none; }
.weight-field:focus-within { outline: 2px solid var(--gold); outline-offset: 2px; }
.weight-field:has([aria-invalid="true"]) { border-color: #a4402c; }
.unit-switch { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 8px; }
.unit-switch label { position: relative; cursor: pointer; }
.unit-switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; }
.unit-switch span { display: grid; place-items: center; width: 48px; height: 40px; border-radius: 5px; font-size: 14px; color: var(--muted); }
.unit-switch input:checked + span { background: var(--ink); color: var(--paper); }
.unit-switch input:focus-visible + span { outline: 2px solid var(--gold); outline-offset: 3px; }
.calculator fieldset:disabled { opacity: .5; }
.calculator-results { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; margin-top: 23px; }
.calculator-results > div { min-width: 0; }
.calculator-results > div:last-child { text-align: right; }
.calculator-results span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.calculator-results output { display: block; font-size: clamp(18px, 2.5vw, 24px); letter-spacing: -.04em; font-weight: 550; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.calculator-note { font-size: 11px; line-height: 1.7; color: var(--muted); margin: 12px 0 0; word-break: keep-all; }
.calculator-note + .calculator-note { margin-top: 3px; }
.calculator-error { color: #943823; font-size: 12px; line-height: 1.6; margin: 9px 0 0; }

.price-guide { max-width: 540px; margin: 32px auto 0; padding-top: 24px; border-top: 1px solid var(--line); }
.price-guide h2 { margin: 0 0 18px; font-size: 16px; font-weight: 600; letter-spacing: -.03em; }
.price-guide dl { margin: 0; }
.price-guide dl > div + div { margin-top: 18px; }
.price-guide dt { display: block; font-size: 13px; line-height: 1.6; font-weight: 600; }
.price-guide dd { margin: 5px 0 0; font-size: 12px; line-height: 1.85; letter-spacing: -.01em; font-weight: 400; white-space: normal; color: var(--muted); word-break: keep-all; overflow-wrap: anywhere; }
.ad-placement { max-width: 728px; margin: 40px auto 0; padding-top: 18px; border-top: 1px solid var(--line); }
.ad-label { margin: 0 0 12px; color: var(--muted); text-align: center; font-size: 11px; }
.adsbygoogle { min-height: 100px; }
.privacy-notice { max-width: 540px; margin: 24px auto 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.privacy-notice summary { cursor: pointer; width: fit-content; margin-inline: auto; padding: 8px; }
.privacy-notice summary:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.privacy-notice p { overflow-wrap: anywhere; }

@media (max-width: 700px) {
  .page-shell { width: calc(100% - 48px); }
  .masthead { padding-block: 23px; }
  .wordmark { font-size: 10px; gap: 9px; }
  .masthead-note { font-size: 10px; }
  main { padding-block: 42px 38px; }
  .eyebrow { font-size: 10px; margin-bottom: 17px; }
  h1 { font-size: 36px; }
  .unit { font-size: 14px; margin-top: 17px; }
  .quote { margin-top: 32px; }
  .prices { grid-template-columns: minmax(0, 1fr); }
  .price-item { padding: 21px 0 24px; }
  .price-item + .price-item { border-left: 0; border-top: 1px solid var(--line); }
  dt { flex-direction: row; align-items: baseline; justify-content: center; gap: 10px; }
  .price-label { font-size: 16px; }
  .price-condition { font-size: 12px; }
  dd { font-size: clamp(32px, 12.3vw, 56px); margin-top: 14px; }
  .currency { font-size: 18px; }
  .source-date { margin-top: 17px; font-size: 12px; }
  .source { margin-top: 25px; }
  .status { margin-top: 17px; font-size: 12px; }
  footer { padding-block: 20px 24px; font-size: 11px; }
  .footer-unit { display: none; }
}

@media (prefers-contrast: more) {
  :root { --muted: #48463e; --line: #888477; }
}