@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@500&family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');

:root {
  --ink: #172019;
  --muted: #68716a;
  --paper: #f3f2ec;
  --card: #fffef9;
  --line: #d8ddd4;
  --green: #176448;
  --green-dark: #112c21;
  --forest: #173229;
  --lime: #c9f36c;
  --blue: #2f80ed;
  --line-strong: #c5ccc3;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Noto Sans KR", sans-serif; word-break: keep-all; overflow-wrap: normal; }
a { color: inherit; }

.guide-header {
  height: 64px;
  padding: 0 max(24px, calc((100vw - 1100px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,254,249,.96);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
.guide-brand { width: max-content; display: inline-flex; align-items: center; gap: 11px; font-size: 20px; font-weight: 800; letter-spacing: -.06em; text-decoration: none; white-space: nowrap; }
.piljisun-mark { width: 36px; height: 36px; flex: 0 0 36px; display: block; border-radius: 11px; box-shadow: 0 3px 10px rgba(17,44,33,.22); transition: transform .16s ease, box-shadow .16s ease; }
.guide-brand:hover .piljisun-mark { transform: translateY(-1px); box-shadow: 0 5px 14px rgba(17,44,33,.27); }
.guide-header nav { display: flex; align-items: center; gap: 22px; }
.guide-header nav a { color: var(--muted); font-size: 12px; font-weight: 700; text-decoration: none; }
.guide-header nav a:hover, .guide-header nav a.active { color: var(--green); }
.guide-header nav a.kakao-link { padding: 8px 11px; color: #241f00; background: #fee500; border: 1px solid #ebd500; border-radius: 999px; font-size: 10px; line-height: 1; white-space: nowrap; }
.guide-header nav a.kakao-link:hover { color: #241f00; background: #f5dc00; }

main { width: min(1100px, calc(100% - 48px)); margin: 0 auto; }
.guide-hero {
  min-height: 510px;
  padding: 90px 8% 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(17,44,33,.98), rgba(23,100,72,.91)),
    repeating-linear-gradient(35deg, transparent 0 42px, rgba(201,243,108,.08) 42px 44px);
}
.guide-hero::after {
  content: "";
  width: 420px;
  height: 420px;
  position: absolute;
  right: -100px;
  bottom: -160px;
  border: 2px solid rgba(201,243,108,.42);
  border-radius: 47% 53% 42% 58%;
  transform: rotate(23deg);
}
.eyebrow, .section-title > span, .notice-section span {
  color: var(--green);
  font: 500 11px/1 "IBM Plex Mono", monospace;
  letter-spacing: .12em;
}
.guide-hero .eyebrow { color: var(--lime); }
.guide-hero h1 { max-width: 900px; margin: 20px 0 18px; font-size: clamp(38px, 5vw, 58px); line-height: 1.14; letter-spacing: -.055em; word-break: keep-all; overflow-wrap: normal; }
.hero-title-line { white-space: nowrap; }
.guide-hero > p:not(.eyebrow) { max-width: 650px; margin: 0; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.85; word-break: keep-all; overflow-wrap: normal; }
.guide-cta {
  width: fit-content;
  margin-top: 34px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 35px;
  color: var(--green-dark);
  background: var(--lime);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}
.seo-hero {
  background:
    linear-gradient(120deg, rgba(14,39,48,.98), rgba(23,100,72,.92)),
    repeating-linear-gradient(35deg, transparent 0 42px, rgba(201,243,108,.08) 42px 44px);
}

.guide-section { padding: 86px 0; border-bottom: 1px solid var(--line); }
.section-title { margin-bottom: 34px; }
.section-title h2, .notice-section h2 { margin: 13px 0 0; font-size: clamp(27px, 4vw, 42px); line-height: 1.25; letter-spacing: -.045em; }
.step-grid { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; border: 1px solid var(--line); }
.step-grid li { min-height: 230px; padding: 28px; background: var(--card); border-right: 1px solid var(--line); }
.step-grid li:last-child { border-right: 0; }
.step-grid b { color: var(--green); font: 500 11px/1 "IBM Plex Mono", monospace; }
.step-grid h3 { margin: 46px 0 10px; font-size: 20px; }
.step-grid p, .feature-list p, .notice-section p, details p { color: var(--muted); font-size: 13px; line-height: 1.75; }
.prose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.prose-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.guide-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}
.guide-info-grid article { padding: 34px; background: var(--card); }
.guide-info-grid h3 { margin: 0 0 14px; font-size: 19px; }
.guide-info-grid p, .epsg-list { color: var(--muted); font-size: 13px; line-height: 1.8; }
.guide-info-grid p { margin: 0; }
.epsg-list { margin: 0 0 16px; padding-left: 20px; }
.epsg-list li { margin: 3px 0; }
.coordinate-zone-guide { margin: 30px 0 0; padding: 34px; background: var(--card); border: 1px solid var(--line); }
.coordinate-zone-guide figcaption { max-width: 760px; }
.coordinate-zone-guide figcaption > span { color: var(--green); font: 600 10px/1 "IBM Plex Mono", monospace; letter-spacing: .11em; }
.coordinate-zone-guide figcaption h3 { margin: 10px 0 9px; font-size: 24px; letter-spacing: -.035em; }
.coordinate-zone-guide figcaption p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; word-break: keep-all; }
.coordinate-zone-visual { width: min(100%, 520px); height: auto; aspect-ratio: 1200 / 1187; margin: 28px auto 0; position: relative; overflow: hidden; display: grid; grid-template-columns: repeat(4, 1fr); background: #e9eee8; border: 1px solid #d6ddd5; }
.zone-band { padding: 18px 12px; display: flex; flex-direction: column; align-items: center; gap: 4px; position: relative; z-index: 1; border-left: 1px solid rgba(23,32,25,.09); text-align: center; }
.zone-band:first-child { border-left: 0; }
.zone-band strong { font-size: 13px; }
.zone-band span { font: 600 9px/1 "IBM Plex Mono", monospace; }
.zone-west { background: rgba(103,150,196,.24); }
.zone-central { background: rgba(99,170,139,.24); }
.zone-east { background: rgba(239,166,73,.25); }
.zone-east-sea { background: rgba(171,128,190,.22); }
.korea-map-outline { width: 100%; height: 100%; position: absolute; z-index: 2; inset: 0; pointer-events: none; }
.korea-silhouette { width: 100%; height: 100%; display: block; position: relative; z-index: 1; object-fit: contain; filter: drop-shadow(0 10px 18px rgba(17,44,33,.16)); }
.korea-admin-boundaries { width: 100%; height: 100%; position: absolute; z-index: 2; inset: 0; display: block; object-fit: contain; }
.island-label { padding: 3px 5px; position: absolute; z-index: 4; color: #17372b; background: rgba(255,254,249,.92); border: 1px solid rgba(17,44,33,.24); border-radius: 3px; box-shadow: 0 2px 6px rgba(17,44,33,.12); font-size: 8px; font-weight: 800; line-height: 1; white-space: nowrap; }
.island-label::before { content: ""; width: 5px; height: 5px; position: absolute; top: 50%; left: -8px; transform: translateY(-50%); border-radius: 50%; background: #176448; box-shadow: 0 0 0 2px rgba(255,254,249,.95); }
.island-ulleung { left: 87.8%; top: 26.55%; }
.island-dokdo { top: 30.58%; right: 3.7%; left: auto; }
.island-dokdo::before { right: -8px; left: auto; }
.meridian { width: 0; position: absolute; z-index: 3; top: 53px; bottom: 18px; border-left: 1px dashed rgba(17,44,33,.58); }
.meridian b { position: absolute; top: 0; left: 5px; color: #19372b; font: 700 9px/1 "IBM Plex Mono", monospace; }
.meridian-125 { left: 12.5%; }
.meridian-127 { left: 37.5%; }
.meridian-129 { left: 62.5%; }
.meridian-131 { left: 87.5%; }
.coordinate-admin-legend { margin-top: 12px; display: flex; align-items: center; justify-content: center; gap: 10px 18px; flex-wrap: wrap; color: var(--muted); font-size: 10px; line-height: 1.4; word-break: keep-all; }
.coordinate-admin-legend span { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.coordinate-admin-legend i { width: 24px; height: 0; display: inline-block; border-top-style: solid; border-color: #0f543b; }
.coordinate-admin-legend .province-boundary-key i { border-top-width: 3px; }
.coordinate-admin-legend .district-boundary-key i { border-top-width: 1px; opacity: .7; }
.coordinate-admin-legend a { color: var(--green); text-decoration-thickness: 1px; text-underline-offset: 3px; white-space: nowrap; }
.coordinate-zone-legend { margin-top: 12px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.coordinate-zone-legend article { min-height: 74px; padding: 15px; display: flex; flex-direction: column; gap: 7px; border-left: 1px solid var(--line); }
.coordinate-zone-legend article:first-child { border-left: 0; }
.coordinate-zone-legend b { color: var(--green); font: 700 11px/1 "IBM Plex Mono", monospace; }
.coordinate-zone-legend span { color: var(--muted); font-size: 11px; line-height: 1.5; }
.coordinate-zone-caution { margin: 16px 0 0; padding: 13px 15px; color: #5d665f; background: #f1f3ed; border-left: 3px solid var(--green); font-size: 11px; line-height: 1.7; word-break: keep-all; }
.coordinate-zone-caution strong { margin-right: 7px; color: var(--green-dark); }

.split-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 60px; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.feature-list article { padding: 26px 22px 28px 0; border-bottom: 1px solid var(--line); }
.feature-list article:nth-child(even) { padding-left: 22px; border-left: 1px solid var(--line); }
.feature-list h3 { margin: 0 0 8px; font-size: 15px; }
.feature-list p { margin: 0; font-size: 12px; }

.notice-section {
  padding: 54px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  color: #fff;
  background: var(--green-dark);
  border-bottom: 0;
}
.notice-section span { color: var(--lime); }
.notice-section h2 { font-size: 30px; }
.notice-section p { margin: 0; color: rgba(255,255,255,.67); }
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.use-case-grid article {
  min-height: 180px;
  padding: 28px 24px;
  background: var(--card);
  border-right: 1px solid var(--line);
}
.use-case-grid article:last-child { border-right: 0; }
.use-case-grid b { font-size: 16px; }
.use-case-grid p {
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.faq-section details { padding: 22px 0; border-top: 1px solid var(--line); }
.faq-section details:last-child { border-bottom: 1px solid var(--line); }
.faq-section summary { cursor: pointer; font-size: 15px; font-weight: 700; }
.faq-section details p { margin: 14px 0 0; }

footer {
  min-height: 120px;
  padding: 38px max(24px, calc((100vw - 1100px) / 2));
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(255,255,255,.7);
  background: #0b1c14;
  font-size: 12px;
}
footer strong { color: #fff; font-size: 18px; }
footer small { color: rgba(255,255,255,.45); font-size: 9px; }
footer nav { margin-left: auto; display: flex; gap: 18px; }
footer a { color: var(--lime); font-weight: 700; }

.privacy-document {
  width: min(100% - 48px, 920px);
  margin: 0 auto;
  padding: 86px 0 100px;
}
.privacy-title { padding-bottom: 52px; border-bottom: 2px solid var(--ink); }
.privacy-title h1 { margin: 13px 0 16px; font-size: clamp(38px, 6vw, 68px); letter-spacing: -.045em; }
.privacy-title p { max-width: 720px; margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.privacy-title small { display: block; margin-top: 18px; color: var(--muted); font-size: 11px; }
.privacy-document section { padding: 40px 0; border-bottom: 1px solid var(--line); }
.privacy-document section h2 { margin: 0 0 20px; font-size: 20px; }
.privacy-document section p,
.privacy-document section li { color: var(--muted); font-size: 13px; line-height: 1.9; }
.privacy-document section p { margin: 12px 0 0; }
.privacy-document section ul { margin: 0; padding-left: 20px; }
.policy-table { overflow: hidden; border: 1px solid var(--line); border-radius: 5px; }
.policy-table > div { display: grid; grid-template-columns: 150px 1fr; border-top: 1px solid var(--line); }
.policy-table > div:first-child { border-top: 0; }
.policy-table strong,
.policy-table span { padding: 15px 17px; font-size: 12px; line-height: 1.7; }
.policy-table strong { background: #eef1eb; }
.policy-table span { color: var(--muted); }
.policy-contact { display: inline-flex; min-height: 42px; margin-top: 18px; padding: 0 16px; align-items: center; border-radius: 4px; color: #fff; background: var(--green); font-size: 12px; font-weight: 800; text-decoration: none; }
.policy-help { margin-top: 20px !important; font-size: 11px !important; }

/* 공개 실무자료 공통 레이아웃 */
.content-main {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
  padding: 54px 0 96px;
}
.breadcrumb,
.article-breadcrumb {
  margin: 0 0 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}
.breadcrumb a,
.article-breadcrumb a { color: var(--green); font-weight: 700; text-decoration: none; }
.breadcrumb a:hover,
.article-breadcrumb a:hover { text-decoration: underline; text-underline-offset: 3px; }
.article-hero {
  padding: clamp(42px, 7vw, 74px);
  color: #fff;
  background:
    linear-gradient(118deg, rgba(13,38,46,.99), rgba(23,100,72,.92)),
    repeating-linear-gradient(35deg, transparent 0 42px, rgba(201,243,108,.08) 42px 44px);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
}
.article-hero::after {
  content: "";
  width: 270px;
  height: 270px;
  position: absolute;
  right: -90px;
  bottom: -140px;
  border: 2px solid rgba(201,243,108,.36);
  border-radius: 46% 54% 50% 50%;
  transform: rotate(24deg);
}
.article-hero .eyebrow { color: var(--lime); }
.article-hero h1 {
  max-width: 850px;
  margin: 18px 0 20px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.16;
  letter-spacing: -.052em;
}
.article-lead,
.article-hero > p:not(.eyebrow) {
  max-width: 760px;
  margin: 0;
  color: rgba(255,255,255,.76);
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.85;
}
.article-meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: rgba(255,255,255,.58);
  font-size: 10px;
}
.article-layout {
  margin-top: 42px;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(210px, 1fr);
  gap: 56px;
  align-items: start;
}
.article-layout.article-layout-wide { grid-template-columns: 1fr; }
.article-toc {
  grid-column: 2;
  grid-row: 1;
  padding: 22px;
  position: sticky;
  top: 88px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.article-toc strong { display: block; margin-bottom: 12px; font-size: 13px; }
.article-toc ol { margin: 0; padding-left: 20px; }
.article-toc li { margin: 8px 0; color: var(--muted); font-size: 11px; line-height: 1.55; }
.article-toc a { color: inherit; text-decoration: none; }
.article-toc a:hover { color: var(--green); text-decoration: underline; text-underline-offset: 3px; }
.article-body { grid-column: 1; min-width: 0; }
.article-body section { padding: 42px 0; border-bottom: 1px solid var(--line); }
.article-body section:first-child { padding-top: 0; }
.article-body section:last-child { border-bottom: 0; }
.article-body h2 {
  margin: 0 0 20px;
  font-size: clamp(24px, 3.5vw, 34px);
  line-height: 1.35;
  letter-spacing: -.04em;
}
.article-body h3 { margin: 30px 0 12px; font-size: 19px; line-height: 1.5; }
.article-body h4 { margin: 24px 0 10px; font-size: 16px; }
.article-body p,
.article-body li {
  color: #59645c;
  font-size: 16px;
  line-height: 1.9;
}
.article-body p { margin: 14px 0 0; }
.article-body ul,
.article-body ol { margin: 16px 0 0; padding-left: 24px; }
.article-body li { margin: 7px 0; }
.article-body a { color: var(--green); font-weight: 700; text-underline-offset: 3px; }
.article-body code {
  padding: 2px 6px;
  border-radius: 3px;
  color: #174937;
  background: #e8efe8;
  font: 600 13px/1.6 "IBM Plex Mono", monospace;
}
.article-figure { margin: 28px 0; }
.article-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #e7ebe5;
}
.article-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.7;
}
.article-callout {
  margin: 24px 0;
  padding: 22px 24px;
  border-left: 4px solid var(--green);
  color: #405149;
  background: #eef4ec;
  border-radius: 0 5px 5px 0;
}
.article-callout.warning { border-left-color: #c47d1f; background: #fff4df; }
.article-callout strong { display: block; margin-bottom: 7px; color: var(--ink); font-size: 14px; }
.article-callout p { margin: 0; font-size: 13px; line-height: 1.75; }
.article-callout ul,
.article-callout ol { margin: 12px 0 0; padding-left: 21px; }
.article-callout li { margin: 6px 0; color: #526159; font-size: 13px; line-height: 1.7; }
.comparison-table,
.diagnostic-table {
  width: 100%;
  margin: 24px 0;
  overflow-x: auto;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 13px;
}
.comparison-table table,
.diagnostic-table table { width: 100%; border-collapse: collapse; }
.comparison-table th,
.comparison-table td,
.diagnostic-table th,
.diagnostic-table td {
  padding: 15px 16px;
  border: 1px solid var(--line);
  line-height: 1.65;
  text-align: left;
  vertical-align: top;
}
.comparison-table th,
.diagnostic-table th { color: #264638; background: #edf1eb; font-weight: 800; }
.comparison-table td,
.diagnostic-table td { color: #5a665f; }
.source-list {
  margin-top: 22px;
  padding: 20px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 5px;
}
.source-list strong { display: block; margin-bottom: 10px; font-size: 13px; }
.source-list ul { margin: 0; padding-left: 20px; }
.source-list li { font-size: 12px; line-height: 1.7; }
.resource-grid {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.resource-card,
.resource-grid > article {
  min-height: 215px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  color: inherit;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}
.resource-card:hover { transform: translateY(-2px); border-color: #9bb4a2; box-shadow: 0 12px 28px rgba(17,44,33,.08); }
.resource-card span { color: var(--green); font: 600 9px/1 "IBM Plex Mono", monospace; letter-spacing: .1em; }
.resource-card h2,
.resource-card h3,
.resource-grid > article h3 { margin: 34px 0 10px; font-size: 20px; line-height: 1.45; letter-spacing: -.025em; }
.resource-card p,
.resource-grid > article p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.resource-card small { margin-top: auto; padding-top: 20px; color: var(--green); font-size: 10px; font-weight: 800; }
.resource-grid > article ul { margin: 16px 0 0; padding-left: 18px; }
.resource-grid > article li { margin: 4px 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.resource-grid > article h3 a { color: inherit; text-decoration: none; }
.resource-grid > article h3 a:hover { color: var(--green); }
.resource-kicker { color: var(--green) !important; font: 600 9px/1.4 "IBM Plex Mono", monospace !important; letter-spacing: .08em; }
.resource-link { margin-top: auto; padding-top: 20px; color: var(--green); font-size: 11px; font-weight: 800; text-decoration: none; }
.resource-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.source-note { margin-top: 12px !important; color: #77827a !important; font-size: 11px !important; }
.official-sources { padding-top: 40px !important; }
.related-guides { margin-top: 54px; padding-top: 38px; border-top: 2px solid var(--ink); }
.related-guides > h2 { margin: 0; font-size: 25px; }
.related-guides > div:first-child > span { color: var(--green); font: 600 10px/1 "IBM Plex Mono", monospace; letter-spacing: .1em; }
.related-guides > div:first-child > h2 { margin: 12px 0 8px; font-size: 25px; }
.related-guides > div:first-child > p { max-width: 720px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.related-guides > .guide-cta { margin-top: 24px; }
.related-guides .resource-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.article-cta-panel {
  margin-top: 54px;
  padding: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #fff;
  background: var(--green-dark);
  border-radius: 7px;
}
.article-cta-panel h2 { margin: 0 0 8px; font-size: 25px; }
.article-cta-panel p { margin: 0; color: rgba(255,255,255,.67); font-size: 13px; line-height: 1.7; }
.article-cta-panel .guide-cta { flex: 0 0 auto; margin: 0; }
.site-footer-grid {
  width: min(1100px, 100%);
  display: grid;
  grid-template-columns: 1.2fr repeat(3, 1fr);
  gap: 32px;
  align-items: start;
}
.site-footer-grid section { display: grid; gap: 8px; }
.site-footer-grid strong { margin-bottom: 4px; }
.site-footer-grid b { color: #fff; font-size: 11px; }
.site-footer-grid p { margin: 0; color: rgba(255,255,255,.48); font-size: 10px; line-height: 1.7; }
.site-footer-grid a { color: rgba(255,255,255,.7); font-size: 10px; font-weight: 600; text-decoration: none; }
.site-footer-grid a:hover { color: var(--lime); }

@media (max-width: 760px) {
  .guide-header { padding: 0 18px; }
  .guide-header nav a:first-child { display: none; }
  main { width: min(100% - 28px, 1100px); }
  .guide-hero { min-height: 450px; padding: 70px 24px; }
  .guide-hero h1 { font-size: clamp(34px, 10vw, 52px); }
  .hero-title-line { white-space: normal; }
  .guide-hero > p:not(.eyebrow) { font-size: 14px; }
  .guide-section { padding: 62px 0; }
  .step-grid, .split-section, .notice-section, .prose-grid, .use-case-grid, .guide-info-grid { grid-template-columns: 1fr; }
  .step-grid li { min-height: 185px; border-right: 0; border-bottom: 1px solid var(--line); }
  .step-grid li:last-child { border-bottom: 0; }
  .step-grid h3 { margin-top: 28px; }
  .split-section, .notice-section { gap: 28px; }
  .feature-list { grid-template-columns: 1fr; }
  .feature-list article:nth-child(even) { padding-left: 0; border-left: 0; }
  .notice-section { padding: 42px 28px; }
  .prose-grid { gap: 22px; }
  .coordinate-zone-guide { padding: 24px 18px; }
  .coordinate-zone-visual { width: 100%; height: auto; }
  .zone-band { padding: 14px 4px; }
  .zone-band strong { font-size: 10px; }
  .zone-band span { font-size: 7px; }
  .island-label { font-size: 7px; }
  .coordinate-zone-legend { grid-template-columns: 1fr 1fr; }
  .coordinate-zone-legend article:nth-child(odd) { border-left: 0; }
  .coordinate-zone-legend article:nth-child(n+3) { border-top: 1px solid var(--line); }
  .use-case-grid article {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .use-case-grid article:last-child { border-bottom: 0; }
  .use-case-grid p { margin-top: 12px; }
  footer { padding: 34px 18px; flex-wrap: wrap; }
  .privacy-document { width: min(100% - 28px, 920px); padding: 54px 0 72px; }
  .privacy-title { padding-bottom: 38px; }
  .policy-table > div { grid-template-columns: 1fr; }
  .policy-table strong { padding-bottom: 7px; }
  .policy-table span { padding-top: 4px; }
  .guide-header { height: auto; min-height: 64px; gap: 12px; }
  .guide-header nav { gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
  .guide-header nav a { font-size: 10px; }
  .guide-header nav a:first-child { display: inline; }
  .content-main { width: min(100% - 28px, 1100px); padding: 34px 0 68px; }
  .article-hero { padding: 42px 24px; }
  .article-hero h1 { font-size: clamp(32px, 10vw, 48px); }
  .article-layout { grid-template-columns: 1fr; gap: 28px; }
  .article-toc { grid-column: 1; grid-row: 1; position: static; }
  .article-body { grid-column: 1; grid-row: 2; }
  .article-body p,
  .article-body li { font-size: 15px; line-height: 1.85; }
  .comparison-table,
  .diagnostic-table { display: block; overflow-x: auto; white-space: normal; }
  .resource-grid,
  .related-guides .resource-grid { grid-template-columns: 1fr; }
  .resource-card { min-height: 0; }
  .article-cta-panel { padding: 30px 24px; align-items: flex-start; flex-direction: column; }
  .site-footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 460px) {
  .guide-header { align-items: flex-start; padding-top: 12px; padding-bottom: 12px; }
  .guide-brand span { display: none; }
  .guide-header nav { gap: 8px; }
  .guide-header nav a.kakao-link { display: none; }
  .article-hero { border-radius: 5px; }
  .article-hero h1 { font-size: 31px; }
  .site-footer-grid { grid-template-columns: 1fr; }
}

/* 콘텐츠형 메인 */
.home-page,
.home-page * {
  word-break: keep-all;
  overflow-wrap: normal;
}

.home-page {
  background: #f5f4ee;
  color: var(--ink);
}

.home-header {
  background: rgba(248, 247, 242, .95);
  border-bottom-color: rgba(21, 48, 39, .13);
  backdrop-filter: blur(16px);
}

.home-header nav {
  align-items: center;
}

.home-header nav a.home-map-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 15px;
  border: 1px solid rgba(21, 48, 39, .18);
  border-radius: 999px;
  color: var(--forest);
  background: #fff;
}

.home-main {
  width: min(100% - 48px, 1180px);
  margin: 0 auto;
  padding: 34px 0 96px;
}

.home-map-hero {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  border-bottom: 1px solid var(--line);
  background: #eef1eb;
}

.home-map-leadbar {
  min-height: 112px;
  padding: 18px max(24px, calc((100vw - 1440px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(380px, .65fr);
  gap: 42px;
  align-items: center;
  color: #fff;
  background: #173229;
}

.home-map-leadbar .eyebrow {
  margin-bottom: 8px;
  color: #c9f36c;
}

.home-map-leadbar h1 {
  margin: 0;
  font-size: clamp(28px, 3.25vw, 48px);
  line-height: 1.16;
  letter-spacing: -.048em;
}

.home-map-leadbar h1 span {
  color: #d9ef86;
}

.home-map-lead-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
}

.home-map-lead-actions p {
  margin: 0;
  color: rgba(255, 255, 255, .72);
  font-size: 12px;
  line-height: 1.7;
}

.home-map-lead-actions .home-primary-action {
  min-height: 44px;
  padding: 0 17px;
  color: #173229;
  background: #d9ef86;
  white-space: nowrap;
}

.home-map-lead-actions .home-primary-action:hover {
  background: #c9f36c;
}

.home-map-frame-wrap {
  height: max(610px, calc(100svh - 176px));
  min-height: 610px;
  position: relative;
  overflow: hidden;
  background: #dce4dc;
  border-bottom: 1px solid rgba(21, 48, 39, .18);
}

.home-map-frame {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #eef1eb;
}

.home-map-open {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  min-height: 42px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  background: rgba(17, 44, 33, .92);
  border: 1px solid rgba(255, 255, 255, .35);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(17, 44, 33, .24);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  backdrop-filter: blur(8px);
}

.home-map-open:hover {
  background: #173229;
}

.home-map-summary {
  padding: 16px max(24px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  gap: 32px;
  background: #fffef9;
}

.home-map-summary strong {
  color: #173229;
  font-size: 13px;
  white-space: nowrap;
}

.home-map-summary ul {
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  list-style: none;
}

.home-map-summary li {
  position: relative;
  padding-left: 12px;
  color: #63716b;
  font-size: 11px;
  font-weight: 700;
}

.home-map-summary li::before {
  content: "";
  width: 4px;
  height: 4px;
  position: absolute;
  top: .65em;
  left: 0;
  border-radius: 50%;
  background: #769640;
}

.home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(420px, .97fr);
  gap: 58px;
  align-items: center;
  min-height: 700px;
  padding: 68px 0 86px;
  border-bottom: 1px solid var(--line);
}

.home-hero-copy {
  max-width: 650px;
}

.home-page .eyebrow {
  margin: 0 0 16px;
  color: #597166;
  font-size: 11px;
  line-height: 1.5;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.home-hero h1 {
  margin: 0;
  color: #173229;
  font-size: clamp(49px, 5.3vw, 79px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.home-hero h1 span {
  color: #46695c;
}

.home-lead {
  max-width: 640px;
  margin: 28px 0 0;
  color: #53635d;
  font-size: 17px;
  line-height: 1.88;
}

.home-hero-actions,
.home-workflow-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 34px;
}

.home-primary-action,
.home-secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 21px;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
  text-decoration: none;
}

.home-primary-action {
  gap: 22px;
  color: #fff;
  background: var(--forest);
}

.home-primary-action:hover {
  background: #274b3e;
}

.home-secondary-action {
  color: var(--forest);
  border: 1px solid rgba(21, 48, 39, .22);
  background: transparent;
}

.home-secondary-action:hover {
  border-color: rgba(21, 48, 39, .55);
  background: rgba(255, 255, 255, .55);
}

.home-trust-list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 20px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.home-trust-list li {
  position: relative;
  padding-left: 13px;
  color: #66756f;
  font-size: 12px;
  font-weight: 700;
}

.home-trust-list li::before {
  content: "";
  position: absolute;
  top: .63em;
  left: 0;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #769640;
}

.home-hero-visual {
  position: relative;
  margin: 0;
  padding: 12px;
  border: 1px solid rgba(21, 48, 39, .12);
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(20, 46, 38, .12);
}

.home-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 630;
  border-radius: 5px;
  object-fit: cover;
}

.home-hero-visual figcaption {
  display: grid;
  gap: 5px;
  padding: 17px 12px 7px;
}

.home-hero-visual figcaption strong {
  color: #243e35;
  font-size: 13px;
}

.home-hero-visual figcaption span {
  color: #6c7874;
  font-size: 11px;
  line-height: 1.65;
}

.home-section {
  padding: 92px 0;
  border-bottom: 1px solid var(--line);
}

.home-section-heading {
  max-width: 820px;
  margin-bottom: 42px;
}

.home-section-heading.compact {
  max-width: 750px;
}

.home-section h2,
.home-final-cta h2 {
  margin: 0;
  color: #173229;
  font-size: clamp(31px, 3.5vw, 48px);
  line-height: 1.21;
  letter-spacing: -.04em;
}

.home-section-heading > p:last-child,
.home-review-copy > p:not(.eyebrow),
.home-limitations > div:first-child > p:not(.eyebrow),
.home-final-cta p:not(.eyebrow) {
  margin: 21px 0 0;
  color: #5b6964;
  font-size: 16px;
  line-height: 1.87;
}

.home-principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
  list-style: none;
}

.home-principle-grid li {
  min-height: 270px;
  padding: 34px 30px 36px;
  border-right: 1px solid var(--line);
}

.home-principle-grid li:first-child {
  padding-left: 0;
}

.home-principle-grid li:last-child {
  padding-right: 0;
  border-right: 0;
}

.home-principle-grid b,
.home-feature-grid > article > span,
.home-card-number {
  color: #74846d;
  font-family: Consolas, monospace;
  font-size: 11px;
  letter-spacing: .12em;
}

.home-principle-grid h3,
.home-decision-card h3,
.home-workflow-list h3,
.home-feature-grid h3,
.home-library-grid h3 {
  margin: 24px 0 0;
  color: #1a342b;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: -.025em;
}

.home-principle-grid p,
.home-decision-card p,
.home-decision-card li,
.home-workflow-list p,
.home-feature-grid p,
.home-limit-list p,
.home-library-grid p,
.home-faq p {
  color: #64716c;
  font-size: 14px;
  line-height: 1.8;
}

.home-inline-link,
.home-library-all {
  margin: 28px 0 0;
}

.home-inline-link a,
.home-text-link,
.home-library-all a,
.home-decision-card > a,
.home-review-notes a,
.home-related-actions a {
  color: #315c4d;
  font-size: 13px;
  font-weight: 800;
  text-underline-offset: 4px;
}

.home-decision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.home-decision-card {
  display: flex;
  flex-direction: column;
  min-height: 470px;
  padding: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, .7);
}

.home-decision-card h3 {
  margin-top: 16px;
  font-size: 25px;
}

.home-decision-card ul {
  display: grid;
  gap: 8px;
  margin: 18px 0 28px;
  padding-left: 19px;
}

.home-decision-card > a {
  margin-top: auto;
}

.home-epsg-card {
  color: #f6f7f2;
  border-color: #173229;
  background: #173229;
}

.home-epsg-card .home-card-number,
.home-epsg-card h3 {
  color: #fff;
}

.home-epsg-card p,
.home-epsg-card li {
  color: rgba(255, 255, 255, .68);
}

.home-epsg-card > a {
  color: #d5f36e;
}

.home-epsg-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0;
  background: rgba(255, 255, 255, .13);
}

.home-epsg-list > div {
  padding: 14px 16px;
  background: #173229;
}

.home-epsg-list dt {
  color: #d5f36e;
  font-family: Consolas, monospace;
  font-size: 13px;
  font-weight: 800;
}

.home-epsg-list dd {
  margin: 5px 0 0;
  color: rgba(255, 255, 255, .78);
  font-size: 12px;
}

.home-card-note {
  padding-left: 12px;
  border-left: 2px solid rgba(213, 243, 110, .65);
}

.home-workflow-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
  list-style: none;
}

.home-workflow-list li {
  display: grid;
  grid-template-columns: 45px minmax(0, 1fr);
  gap: 18px;
  padding: 30px 28px 32px 0;
  border-bottom: 1px solid var(--line);
}

.home-workflow-list li:nth-child(even) {
  padding-left: 28px;
  padding-right: 0;
  border-left: 1px solid var(--line);
}

.home-workflow-list > li > span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(21, 48, 39, .25);
  border-radius: 50%;
  color: var(--forest);
  font-family: Consolas, monospace;
  font-weight: 800;
}

.home-workflow-list h3 {
  margin-top: 0;
}

.home-workflow-list p {
  margin: 10px 0 0;
}

.home-workflow-actions {
  justify-content: space-between;
}

.home-review {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr);
  gap: 38px 62px;
  align-items: start;
}

.home-review-copy .home-secondary-action {
  margin-top: 28px;
}

.home-review-record {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 7px;
  overflow: hidden;
  background: var(--line);
}

.home-review-record > div {
  display: grid;
  gap: 7px;
  min-height: 95px;
  padding: 20px;
  background: rgba(255, 255, 255, .78);
}

.home-review-record span {
  color: #7b8783;
  font-size: 11px;
  font-weight: 700;
}

.home-review-record strong {
  color: #203a31;
  font-size: 15px;
  line-height: 1.45;
}

.home-review-notes {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.home-review-notes article {
  padding: 26px 28px;
  border-left: 3px solid #769640;
  background: rgba(255, 255, 255, .6);
}

.home-review-notes b {
  color: #203a31;
  font-size: 15px;
}

.home-review-notes p {
  margin: 9px 0 14px;
  color: #66746f;
  font-size: 13px;
  line-height: 1.75;
}

.home-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.home-feature-grid article {
  min-height: 240px;
  padding: 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .44);
}

.home-feature-grid h3 {
  margin-top: 24px;
}

.home-related-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px 25px;
  margin-top: 26px;
}

.home-limitations {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(430px, 1.08fr);
  gap: 70px;
}

.home-limit-list {
  border-top: 1px solid var(--line-strong);
}

.home-limit-list article {
  display: grid;
  grid-template-columns: minmax(160px, .4fr) minmax(0, .6fr);
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.home-limit-list strong {
  color: #213b32;
  font-size: 13px;
  line-height: 1.6;
}

.home-limit-list p {
  margin: 0;
  font-size: 13px;
}

.home-library-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.home-library-grid > a {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: inherit;
  background: rgba(255, 255, 255, .65);
  text-decoration: none;
}

.home-library-grid > a:hover {
  border-color: rgba(21, 48, 39, .4);
  transform: translateY(-2px);
}

.home-library-grid span {
  color: #76827d;
  font-size: 11px;
  font-weight: 700;
}

.home-library-grid h3 {
  margin-top: 17px;
}

.home-library-grid p {
  margin: 13px 0 22px;
}

.home-library-grid b {
  margin-top: auto;
  color: #315c4d;
  font-size: 12px;
}

.home-faq {
  display: block;
  width: 100%;
  max-width: none;
}

.home-faq details {
  background: rgba(255, 255, 255, .66);
}

.home-faq summary {
  font-size: 15px;
}

.home-final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 42px;
  align-items: end;
  margin-top: 68px;
  padding: 58px;
  border-radius: 8px;
  background: #d9ef86;
}

.home-final-cta h2 {
  max-width: 760px;
  font-size: clamp(28px, 3.2vw, 44px);
}

.home-final-cta p:not(.eyebrow) {
  color: #536452;
}

.home-final-cta .home-primary-action {
  white-space: nowrap;
}

.home-page footer {
  margin-top: 0;
}

.home-page .site-footer-grid small {
  display: block;
  margin-top: 7px;
  color: rgba(255, 255, 255, .45);
  font-size: 9px;
  line-height: 1.65;
}

@media (max-width: 980px) {
  .home-map-leadbar {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .home-map-lead-actions {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .home-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .home-hero-copy { max-width: 790px; }
  .home-hero-visual { max-width: 780px; }
  .home-principle-grid { grid-template-columns: 1fr; }
  .home-principle-grid li,
  .home-principle-grid li:first-child,
  .home-principle-grid li:last-child {
    min-height: 0;
    padding: 30px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .home-principle-grid li:last-child { border-bottom: 0; }
  .home-review { grid-template-columns: 1fr; }
  .home-review-record { max-width: 760px; }
  .home-feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-library-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .home-main {
    width: min(100% - 30px, 1180px);
    padding-top: 0;
  }
  .home-header nav { flex-wrap: nowrap; }
  .home-header nav a:nth-child(3),
  .home-header nav a:nth-child(4) { display: none; }
  .home-header nav a.home-map-link {
    min-height: 32px;
    padding: 0 10px;
  }
  .home-map-leadbar {
    min-height: 0;
    padding: 18px 16px;
  }
  .home-map-leadbar .eyebrow { display: none; }
  .home-map-leadbar h1 {
    font-size: clamp(25px, 7.4vw, 38px);
  }
  .home-map-lead-actions {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }
  .home-map-lead-actions p { display: none; }
  .home-map-lead-actions .home-primary-action {
    grid-column: 2;
    min-height: 38px;
    padding: 0 12px;
    font-size: 11px;
  }
  .home-map-frame-wrap {
    height: 64svh;
    min-height: 430px;
  }
  .home-map-open {
    right: 12px;
    bottom: 12px;
  }
  .home-map-summary {
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    flex-direction: column;
  }
  .home-map-summary ul { gap: 7px 16px; }
  .home-hero {
    gap: 38px;
    padding: 58px 0 66px;
  }
  .home-hero h1 { font-size: clamp(43px, 12.2vw, 67px); }
  .home-lead { font-size: 15px; }
  .home-section { padding: 70px 0; }
  .home-section-heading { margin-bottom: 30px; }
  .home-decision-grid,
  .home-workflow-list,
  .home-review-notes,
  .home-feature-grid,
  .home-limitations,
  .home-library-grid,
  .home-final-cta { grid-template-columns: 1fr; }
  .home-decision-card {
    min-height: 0;
    padding: 30px 25px;
  }
  .home-workflow-list li,
  .home-workflow-list li:nth-child(even) {
    padding: 25px 0;
    border-left: 0;
  }
  .home-review { gap: 32px; }
  .home-limitations { gap: 38px; }
  .home-final-cta {
    gap: 27px;
    align-items: start;
    padding: 40px 28px;
  }
  .home-final-cta .home-primary-action { justify-self: start; }
}

@media (max-width: 520px) {
  .home-header nav a.kakao-link { display: none; }
  .home-hero-actions,
  .home-workflow-actions { align-items: stretch; }
  .home-hero-actions .home-primary-action,
  .home-hero-actions .home-secondary-action,
  .home-workflow-actions .home-primary-action,
  .home-final-cta .home-primary-action { width: 100%; }
  .home-hero-visual {
    margin-right: -9px;
    margin-left: -9px;
    padding: 7px;
  }
  .home-map-leadbar h1 span { display: block; }
  .home-map-lead-actions .home-primary-action { display: none; }
  .home-map-frame-wrap {
    height: 61svh;
    min-height: 410px;
  }
  .home-map-summary strong { white-space: normal; }
  .home-epsg-list,
  .home-review-record { grid-template-columns: 1fr; }
  .home-limit-list article { grid-template-columns: 1fr; gap: 8px; }
  .home-feature-grid article,
  .home-library-grid > a { min-height: 0; }
}