:root {
  --ink: #112b38;
  --teal: #176b70;
  --teal-dark: #0f5559;
  --muted: #546a75;
  --soft: #f6f8f7;
  --paper: #ffffff;
  --line: #dce4e5;
  --line-strong: #c8d5d7;
  --warm: #eef5f4;
  --accent: #d98f58;
  --shadow: 0 22px 60px rgba(17, 43, 56, 0.1);
  --radius: 18px;
  --wrap: 1200px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  letter-spacing: 0;
  word-break: keep-all;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid var(--teal);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 1000;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  transform: translateY(-140%);
  transition: transform 0.18s ease;
}

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

.wrap {
  width: min(var(--wrap), calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(220, 228, 229, 0.9);
  backdrop-filter: blur(16px);
}

.header-row {
  min-height: 86px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 13px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0;
}

.brand-symbol {
  width: 39px;
  height: 70px;
  flex: 0 0 39px;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
}

.brand-symbol img {
  width: 39px;
  height: 39px;
  max-width: none;
  object-fit: contain;
  object-position: left center;
}

.brand-name {
  display: grid;
  gap: 6px;
  font-size: 23px;
  line-height: 1;
  font-weight: 650;
  letter-spacing: 0.08em;
}

.brand-name span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.22em;
}

.brand-name small {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border-radius: 999px;
  color: #294653;
  font-size: 15px;
  font-weight: 700;
}

.nav a:hover {
  background: var(--soft);
  color: var(--teal-dark);
}

.header-call {
  margin-left: 4px;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  min-width: 48px;
  min-height: 48px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-weight: 800;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn.primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}

.btn.primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
}

.btn.secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line-strong);
}

.btn.secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.btn.light {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
}

.btn.light:hover {
  background: rgba(255, 255, 255, 0.24);
}

.eyebrow,
.section-heading .eyebrow,
.page-intro .eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero {
  padding: 74px 0 58px;
  background:
    linear-gradient(90deg, rgba(246, 248, 247, 0.92) 0%, rgba(255, 255, 255, 0) 62%),
    radial-gradient(circle at 90% 12%, rgba(23, 107, 112, 0.12), transparent 30%),
    var(--paper);
}

.hero.wrap,
.hero .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: 56px;
}

.hero-copy {
  min-width: 0;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(52px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero h1 span {
  color: var(--teal);
}

.service-page .hero h1,
.region-page .hero h1,
.local-page .hero h1 {
  font-size: clamp(42px, 4.8vw, 48px);
  line-height: 1.12;
}

.lead,
.hero .lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: #405964;
  font-size: 21px;
  line-height: 1.72;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 15px;
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.hero-visual {
  min-width: 0;
}

.hero-visual figure {
  margin: 0;
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.image-note {
  margin: 12px 2px 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.proof-strip {
  border-block: 1px solid var(--line);
  background: var(--soft);
}

.proof-strip .wrap {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.proof-item {
  padding: 24px 28px;
  border-right: 1px solid var(--line);
}

.proof-item:first-child {
  border-left: 1px solid var(--line);
}

.proof-item strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.45;
}

.proof-item span,
.proof-item p {
  display: block;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.section {
  padding: 90px 0;
  background: var(--paper);
}

.section.soft {
  background: var(--soft);
}

.section-heading {
  max-width: 820px;
  margin-bottom: 34px;
}

.section-heading h2,
.page-intro h1,
.contact-band h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

.section-lead,
.page-intro p {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.72;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.service-card,
.region-card,
.step,
.answer-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.service-card {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.service-card:hover {
  transform: translateY(-3px);
  border-color: rgba(23, 107, 112, 0.42);
  box-shadow: 0 18px 42px rgba(17, 43, 56, 0.08);
}

.service-number,
.step-number {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.service-card h3,
.step h3,
.answer-panel h3,
.region-card h3 {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.28;
}

.service-card p,
.step p,
.answer-panel p,
.region-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.service-card .arrow {
  margin-top: auto;
  padding-top: 22px;
  color: var(--teal-dark);
  font-weight: 900;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: start;
  gap: 42px;
}

.answer-panel {
  padding: 30px;
  box-shadow: 0 12px 36px rgba(17, 43, 56, 0.06);
}

.check-list,
.number-list,
.fact-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li,
.fact-list li {
  position: relative;
  padding-left: 28px;
  color: #39525d;
}

.check-list li::before,
.fact-list li::before {
  content: "";
  position: absolute;
  top: 0.7em;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--teal);
}

.number-list {
  counter-reset: number-list;
}

.number-list li {
  position: relative;
  padding-left: 42px;
  color: #39525d;
}

.number-list li::before {
  counter-increment: number-list;
  content: counter(number-list, decimal-leading-zero);
  position: absolute;
  top: 0;
  left: 0;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step {
  padding: 26px;
}

.comparison {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.table-scroll table {
  min-width: 720px;
}

th,
td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
  color: var(--ink);
  font-size: 15px;
}

td {
  color: #405964;
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.faq-list summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  color: var(--ink);
  font-weight: 850;
  cursor: pointer;
}

.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--teal);
  font-size: 24px;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--muted);
}

.faq-answer p {
  margin: 0;
}

.contact-band {
  padding: 76px 0;
  background: var(--ink);
  color: #fff;
}

.contact-band .wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
}

.contact-band h2 {
  color: #fff;
}

.contact-band p {
  max-width: 720px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.contact-band .hero-actions {
  margin: 0;
  justify-content: flex-end;
}

.site-footer {
  background: #f3f6f6;
  color: #3f5661;
  font-size: 15px;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
  padding: 38px 0 28px;
  border-bottom: 1px solid var(--line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.footer-links a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-weight: 750;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  padding: 22px 0 34px;
  color: var(--muted);
}

.sticky-call {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 18px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  box-shadow: 0 18px 44px rgba(17, 43, 56, 0.22);
  font-weight: 900;
}

.sticky-label {
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
  font-weight: 700;
}

.breadcrumbs {
  padding: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 8px;
  color: #9aa9af;
}

.breadcrumbs a {
  text-decoration: underline;
  text-decoration-color: rgba(23, 107, 112, 0.28);
  text-underline-offset: 3px;
}

.page-intro {
  padding: 58px 0 40px;
}

.toc {
  margin: 28px 0 0;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pills a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #31505b;
  font-size: 15px;
  font-weight: 750;
}

.pills a:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.catalog-tools {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(210px, 0.4fr);
  gap: 14px;
  margin: 0 0 26px;
}

.catalog-tools label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

.catalog-tools input,
.catalog-tools select {
  min-height: 48px;
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 10px 14px;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.region-card {
  padding: 22px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.region-card:hover {
  transform: translateY(-2px);
  border-color: rgba(23, 107, 112, 0.42);
}

.region-card a {
  display: grid;
  gap: 8px;
}

.region-card h3 {
  margin-top: 0;
  font-size: 21px;
}

.region-links,
.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.region-links a,
.source-links a {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--teal-dark);
  font-weight: 750;
}

.empty-result {
  margin: 18px 0 0;
  padding: 22px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: #fff;
  color: var(--muted);
}

.local-context {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 28px;
}

.local-context h2,
.local-context h3 {
  margin: 0;
  color: var(--ink);
}

.local-context p {
  margin: 12px 0 0;
  color: var(--muted);
}

@media (max-width: 1040px) {
  .hero.wrap,
  .hero .wrap,
  .split {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    max-width: 760px;
  }

  .service-grid,
  .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-band .wrap {
    grid-template-columns: 1fr;
  }

  .contact-band .hero-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 1040px) {
  .wrap {
    width: min(var(--wrap), calc(100% - 44px));
  }

  .header-row {
    min-height: 78px;
    gap: 14px;
  }

  .brand-name {
    font-size: 21px;
  }

  .js .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: none;
    margin: 0;
    padding: 14px 22px 18px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 20px 40px rgba(17, 43, 56, 0.08);
  }

  .nav.is-open {
    display: grid;
    gap: 4px;
  }

  .nav a {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
  }

  .header-call {
    display: none;
  }

  .hero {
    padding: 52px 0 42px;
  }

  .hero.wrap,
  .hero .wrap {
    gap: 34px;
  }

  .hero h1,
  .service-page .hero h1,
  .region-page .hero h1,
  .local-page .hero h1 {
    font-size: 40px;
    line-height: 1.13;
  }

  .lead,
  .hero .lead {
    font-size: 18px;
  }

  .proof-strip .wrap {
    grid-template-columns: 1fr;
  }

  .proof-item,
  .proof-item:first-child {
    border-right: 1px solid var(--line);
    border-left: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .proof-item:last-child {
    border-bottom: 0;
  }

  .section {
    padding: 68px 0;
  }

  .section-heading h2,
  .page-intro h1,
  .contact-band h2 {
    font-size: 34px;
  }

  .catalog-tools {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .wrap {
    width: calc(100% - 44px);
  }

  .brand-symbol {
    width: 34px;
    height: 61px;
    flex-basis: 34px;
  }

  .brand-symbol img {
    width: 34px;
    height: 34px;
  }

  .brand-name small {
    font-size: 11px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero h1,
  .service-page .hero h1,
  .region-page .hero h1,
  .local-page .hero h1 {
    font-size: 40px;
  }

  .hero-actions,
  .contact-band .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

  .btn {
    width: 100%;
    min-height: 50px;
  }

  .hero-meta {
    display: grid;
    grid-template-columns: 1fr;
  }

  .service-grid,
  .region-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .service-card,
  .answer-panel,
  .step,
  .local-context {
    padding: 22px;
  }

  .hero-visual img {
    border-radius: 18px;
  }

  .footer-top,
  .footer-bottom {
    display: grid;
  }

  .sticky-call {
    right: 14px;
    bottom: 14px;
    left: 14px;
    justify-content: center;
  }

  .sticky-label {
    display: inline;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

.no-js-nav {
  display: flex;
  gap: 12px 24px;
  flex-wrap: wrap;
  padding-block: 12px;
}

.no-js-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  font-weight: 700;
}

.table-hint {
  font-size: 14px;
  color: var(--muted);
  margin: 0 0 12px;
}

.contact-band a:focus-visible {
  outline-color: #f6f8f7;
}

:target {
  scroll-margin-top: 100px;
}
