/* 영양쿠폰 — 먹색 + 도장 빨강, 영수증 계산형 */
:root {
  --ink: #262626;
  --ink-2: #4a4a4a;
  --red: #a8231c;
  --red-dark: #7f1913;
  --paper: #fbfaf7;
  --bg: #f1efe9;
  --line: #d9d5cc;
  --white: #ffffff;
  --radius: 6px;
  --wrap: 1080px;
  --mono: "IBM Plex Mono", ui-monospace, Consolas, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: "IBM Plex Sans KR", system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif; font-size: 17px; line-height: 1.8; color: var(--ink); background: var(--paper); word-break: keep-all; overflow-wrap: break-word; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--red); text-underline-offset: 3px; }
a:hover { color: var(--red-dark); }
h1, h2, h3 { line-height: 1.35; margin: 0 0 .6em; font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: clamp(28px, 4vw, 44px); }
h2 { font-size: clamp(22px, 2.4vw, 28px); }
h3 { font-size: 18px; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 760px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.section { padding: 52px 0; }
.section.tint { background: var(--bg); }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-bottom: 3px double var(--ink); margin-bottom: 8px; }
.sec-head h2 { margin-bottom: .3em; }
.sec-head p { margin: 0 0 .5em; color: var(--ink-2); }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: var(--radius); font: inherit; font-weight: 700; font-size: 16px; text-decoration: none; border: 2px solid var(--ink); white-space: nowrap; cursor: pointer; }
.btn-main { background: var(--ink); color: #fff; }
.btn-main:hover { background: var(--red); border-color: var(--red); color: #fff; }
.btn-line { background: transparent; color: var(--ink); }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn-sm { min-height: 40px; font-size: 15px; padding: 0 14px; }
.kcode { font-family: var(--mono); font-weight: 700; color: var(--red-dark); border-bottom: 2px dashed var(--red); padding: 0 2px; letter-spacing: .03em; }

/* 머리말 */
.site-header { background: var(--paper); border-bottom: 3px double var(--ink); position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; gap: 16px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.logo-mark { width: 32px; height: 32px; }
.logo-mark path { fill: var(--ink); }
.logo-mark .lm-line { fill: none; stroke: #fff; stroke-width: 2.4; stroke-linecap: round; }
.logo-text { font-weight: 700; font-size: 20px; line-height: 1.2; display: flex; flex-direction: column; }
.logo-sub { font-size: 13px; font-weight: 500; color: var(--ink-2); font-family: var(--mono); }
.main-nav { display: flex; align-items: center; margin-left: auto; }
.main-nav a { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 16px; padding: 6px 12px; }
.main-nav a + a { border-left: 2px solid var(--line); }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--red); text-decoration: underline; }
.main-nav .nav-cta { background: var(--ink); color: #fff; border-radius: var(--radius); margin-left: 10px; border-left: 0; padding: 8px 14px; font-weight: 700; }
.main-nav .nav-cta:hover { background: var(--red); color: #fff; text-decoration: none; }
.menu-toggle { display: none; align-items: center; gap: 6px; margin-left: auto; height: 40px; padding: 0 12px; border: 2px solid var(--ink); background: transparent; border-radius: var(--radius); font: inherit; font-weight: 700; font-size: 15px; color: var(--ink); cursor: pointer; }
.ico svg { width: 20px; height: 20px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; display: block; }

/* 첫 화면 + 영수증 */
.hero { padding: 48px 0 56px; background: var(--bg); }
.hero-in { display: grid; grid-template-columns: 1fr 400px; gap: 48px; align-items: center; }
.hero h1 { white-space: nowrap; font-size: clamp(25px, 5vw, 50px); }
.hero-lead { font-size: 18px; color: var(--ink-2); }
.hero-note { font-family: var(--mono); font-size: 15px; color: var(--red-dark); }
.receipt { background: var(--white); padding: 26px 24px 18px; border-top: 6px solid var(--ink); font-family: var(--mono); margin: 0; }
.rc-title { font-weight: 700; font-size: 16px; text-align: center; border-bottom: 2px dashed var(--line); padding-bottom: 10px; letter-spacing: .1em; }
.rc-field { display: block; margin-bottom: 14px; }
.rc-field span, .rc-who legend { display: block; font-size: 15px; color: var(--ink-2); margin-bottom: 4px; font-family: "IBM Plex Sans KR", sans-serif; }
.rc-field input { width: 100%; font: inherit; font-size: 22px; font-weight: 700; padding: 8px 10px; border: 2px solid var(--ink); border-radius: var(--radius); background: var(--paper); color: var(--ink); }
.rc-who { border: 0; padding: 0; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 4px 14px; font-family: "IBM Plex Sans KR", sans-serif; font-size: 16px; }
.rc-who legend { width: 100%; }
.rc-who label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.rc-who input { accent-color: var(--red); width: 18px; height: 18px; }
.rc-lines { margin: 0; border-top: 2px dashed var(--line); padding-top: 8px; }
.rc-lines div { display: flex; justify-content: space-between; padding: 5px 0; font-size: 16px; }
.rc-lines dt { color: var(--ink-2); }
.rc-lines dd { margin: 0; font-weight: 700; }
.rc-lines .rc-total { border-top: 3px double var(--ink); margin-top: 6px; padding-top: 10px; font-size: 20px; }
.rc-lines .rc-total dt { color: var(--ink); font-weight: 700; }
.rc-lines .rc-total dd { color: var(--red-dark); }
.rc-msg { margin: 10px 0 0; font-size: 15px; font-family: "IBM Plex Sans KR", sans-serif; color: var(--ink); }

/* 쿠폰 줄 목록 */
.code-rows { list-style: none; margin: 0; padding: 0; }
.code-rows li { display: grid; grid-template-columns: 52px 1fr auto; gap: 18px; align-items: center; padding: 20px 0; border-bottom: 2px dashed var(--line); }
.cr-no { font-family: var(--mono); font-size: 26px; font-weight: 700; color: var(--red); }
.cr-body h3 { margin: 0 0 2px; font-size: 19px; }
.cr-body h3 a { color: var(--ink); text-decoration: none; }
.cr-body h3 a:hover { text-decoration: underline; }
.cr-rate { margin: 0; font-weight: 700; }
.cr-brief { margin: 0; color: var(--ink-2); font-size: 16px; }

/* 표 */
.table-scroll { overflow-x: auto; margin: 0 0 1em; }
.info-table, .code-table { width: 100%; border-collapse: collapse; font-size: 16px; background: var(--white); }
.info-table thead th, .code-table thead th { text-align: left; font-weight: 700; padding: 10px 12px; border-bottom: 3px double var(--ink); white-space: nowrap; }
.info-table td, .info-table tbody th, .code-table td, .code-table tbody th { padding: 12px; border-bottom: 2px dashed var(--line); text-align: left; }
.info-table td { font-family: var(--mono); font-size: 15.5px; }
.info-table tbody th { font-weight: 700; white-space: nowrap; }
.ct-rate { display: block; color: var(--red-dark); font-size: 15px; }
.spec-table tbody th { width: 9em; }

.three { margin: 0; padding-left: 1.4em; }
.three li { margin-bottom: 1em; }

.steps, .checklist { list-style: none; margin: 0; padding: 0; }
.steps li { display: flex; gap: 16px; padding: 14px 0; border-bottom: 2px dashed var(--line); }
.step-no { font-family: var(--mono); font-weight: 700; font-size: 20px; color: var(--red); min-width: 28px; }
.steps h3 { margin: 0 0 2px; }
.steps p, .checklist p { margin: 0; color: var(--ink-2); }
.checklist li { padding: 14px 0; border-bottom: 2px dashed var(--line); }
.checklist h3 { margin: 0 0 2px; }
.faq { border-bottom: 2px dashed var(--line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 0; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary h3 { margin: 0; font-size: 17px; }
.faq[open] .ico { transform: rotate(45deg); }
.faq p { margin: 0; padding: 0 0 16px; color: var(--ink-2); }
.digest-item { padding: 12px 0; border-bottom: 2px dashed var(--line); }
.digest-item h3 { margin: 0 0 2px; }
.digest-item h3 span { font-family: var(--mono); color: var(--red-dark); font-size: 15px; margin-left: 6px; }
.digest-item p { margin: 0; color: var(--ink-2); }
.directory { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 40px; }
.directory li { break-inside: avoid; padding: 10px 0; border-bottom: 2px dashed var(--line); }
.directory a { font-weight: 700; color: var(--ink); }
.directory p { margin: 0; font-size: 15px; color: var(--ink-2); }

/* 안쪽 페이지 */
.breadcrumb { font-size: 15px; color: var(--ink-2); padding-top: 16px; font-family: var(--mono); }
.breadcrumb a { color: var(--ink-2); }
.page-head { padding: 24px 0 36px; border-bottom: 3px double var(--ink); }
.page-head.has-photo .page-head-in, .detail-head-in { display: grid; grid-template-columns: 1.3fr .7fr; gap: 32px; align-items: center; }
.page-lead { font-size: 18px; color: var(--ink-2); }
.page-head-photo, .detail-photo, .text-photo { margin: 0; }
.detail-rate { font-size: 22px; font-weight: 700; }
.text-block { margin-bottom: 34px; }
.plain-list, .num-list { padding-left: 1.3em; }
.plain-list li, .num-list li { margin-bottom: .5em; }
.cta-strip { background: var(--ink); color: #fff; }
.cta-strip .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.cta-strip p { margin: 0; font-weight: 700; }
.cta-strip .btn-main { background: #fff; color: var(--ink); border-color: #fff; }
.cta-strip .btn-main:hover { background: var(--red); color: #fff; border-color: var(--red); }
.more-menu ul, .related-list { list-style: none; padding: 0; margin: 0; }
.more-menu ul { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.related-list li { padding: 8px 0; border-bottom: 2px dashed var(--line); }
.related-list span { color: var(--ink-2); font-size: 15px; font-family: var(--mono); }
.back-link { margin-top: 18px; font-weight: 700; }
.notfound { text-align: center; padding: 90px 0; }

/* 꼬리말 */
.site-footer { border-top: 3px double var(--ink); padding: 40px 0 30px; background: var(--bg); }
.footer-name { font-weight: 700; font-size: 20px; margin: 0; }
.footer-tag { color: var(--ink-2); }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 20px 0; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; font-size: 15px; }
.footer-cols li { margin-bottom: 4px; }
.footer-cols a { color: var(--ink); }
.footer-cols .strong { font-weight: 700; }
.footer-title { font-weight: 700; margin-bottom: 6px; font-family: var(--mono); }
.footer-notes p { font-size: 15px; color: var(--ink-2); }
.to-top { font-weight: 700; color: var(--ink); }

@media (max-width: 960px) {
  .menu-toggle { display: inline-flex; }
  .main-nav { display: none; position: absolute; left: 0; right: 0; top: 64px; background: var(--paper); flex-direction: column; align-items: stretch; padding: 8px 20px 16px; border-bottom: 3px double var(--ink); }
  .nav-open .main-nav { display: flex; }
  .main-nav a, .main-nav a + a { border-left: 0; border-bottom: 2px dashed var(--line); padding: 12px 0; }
  .main-nav .nav-cta { margin: 10px 0 0; text-align: center; }
  .hero-in, .page-head.has-photo .page-head-in, .detail-head-in { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .logo-sub { display: none; }
  .section { padding: 40px 0; }
  .hero { padding: 30px 0 36px; }
  .hero h1 { font-size: clamp(22px, 7.6vw, 34px); }
  .receipt { padding: 20px 16px 14px; }
  .code-rows li { grid-template-columns: 36px 1fr; }
  .code-rows .btn { grid-column: 1 / -1; width: 100%; }
  .directory { columns: 1; }
  .footer-cols { grid-template-columns: 1fr; }
}

/* 그리드 칸이 표·버튼 때문에 넘치지 않게 */
.hero-in > *, .split-in > *, .two-col > *, .two > *, .page-head-in > *, .detail-head-in > *, .code-cards > *, .code-card > *, .footer-top > *, .footer-row > *, .footer-grid > *, .footer-cols > * { min-width: 0; }
@media (max-width: 560px) { .btn { white-space: normal; text-align: center; max-width: 100%; } }