:root {
  color-scheme: light;
  --blue: #0b4da3;
  --blue-deep: #06346f;
  --ink: #111112;
  --body: #555c64;
  --muted: #888f96;
  --line: #dddddd;
  --soft: #f5f5f5;
  --white: #ffffff;
  --green: #0f9d59;
  --red: #d64a3a;
  --yellow: #ffd45a;
  --shadow: 0 20px 54px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--white);
  color: var(--ink);
  font-family:
    Pretendard,
    Arial,
    "Apple SD Gothic Neo",
    "Noto Sans KR",
    sans-serif;
  letter-spacing: 0;
  word-break: keep-all;
}

a,
button {
  font: inherit;
}

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

button {
  cursor: pointer;
}

.w-1600 {
  position: relative;
  width: min(1600px, calc(100% - 64px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  height: 85px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 30px;
  height: 85px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 142px;
  font-size: 26px;
  font-weight: 900;
}

.logo-mark {
  position: relative;
  width: 35px;
  height: 26px;
  border: 3px solid var(--ink);
}

.logo-mark::before,
.logo-mark::after {
  position: absolute;
  content: "";
  border-radius: 999px;
}

.logo-mark::before {
  width: 9px;
  height: 9px;
  left: 6px;
  top: 6px;
  background: var(--green);
  box-shadow:
    10px 0 0 var(--yellow),
    20px 0 0 var(--red);
}

.logo-mark::after {
  width: 22px;
  height: 2px;
  left: 5px;
  bottom: 5px;
  background: var(--ink);
}

.gnb {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 48px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.gnb a {
  display: block;
  height: 85px;
  color: #000000;
  font-size: 17px;
  font-weight: 800;
  line-height: 85px;
  transition: color 0.2s ease;
}

.gnb a:hover,
.gnb a.is-active {
  color: var(--blue);
}

.mobile-menu-button {
  display: none;
  width: 34px;
  height: 34px;
  border: 0;
  background: transparent;
  padding: 0;
}

.mobile-menu-button span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 6px auto;
  background: #000000;
}

#container {
  overflow: hidden;
}

.sub-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 365px;
  margin-top: 85px;
  overflow: visible;
  text-align: center;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.42)),
    url("baksu-office-hero.png") center 44% / cover no-repeat;
}

.sub-route {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--white);
}

.sub-route ul {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sub-route li {
  position: relative;
  font-size: 16px;
  font-weight: 700;
  text-shadow: 0 1px 10px rgba(0, 0, 2, 0.4);
}

.sub-route li + li::before {
  content: ">";
  margin-right: 16px;
  color: rgba(255, 255, 255, 0.72);
}

.sub-route h1 {
  margin: 16px 0 0;
  color: var(--white);
  font-size: 52px;
  font-weight: 900;
  line-height: 1.1;
  text-shadow: 0 1px 10px rgba(0, 0, 2, 0.4);
}

.sub-tab {
  position: absolute;
  left: 50%;
  bottom: -35px;
  display: flex;
  width: auto;
  height: 70px;
  margin: 0;
  padding: 0;
  border-radius: 70px;
  background: var(--blue);
  color: var(--white);
  line-height: 70px;
  list-style: none;
  transform: translateX(-50%);
}

.sub-tab > li {
  position: relative;
  width: 300px;
  color: var(--white);
  font-size: 20px;
  font-weight: 800;
  text-align: center;
}

.sub-tab > li + li {
  border-left: 1px solid rgba(255, 255, 255, 0.26);
}

.sub-tab a {
  display: block;
  color: var(--white);
}

.page-section {
  padding: 120px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 46px;
}

.section-head p {
  width: 40%;
  margin: 0;
  color: var(--body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.7;
}

.section-kicker {
  display: block;
  margin-bottom: 16px;
  color: var(--blue);
  font-size: 16px;
  font-weight: 900;
}

.section-head h2 {
  margin: 0;
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
}

.history-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.35fr) minmax(0, 0.65fr);
  border-top: 2px solid var(--ink);
}

.history-title {
  padding-top: 34px;
}

.history-title span {
  color: var(--blue);
  font-size: 16px;
  font-weight: 900;
}

.history-title h2 {
  margin: 14px 0 0;
  font-size: 48px;
  font-weight: 900;
}

.history-list {
  border-left: 1px solid var(--line);
}

.history-row {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  min-height: 98px;
  border-bottom: 1px solid var(--line);
}

.history-row strong,
.history-row p {
  display: flex;
  align-items: center;
  margin: 0;
  padding: 0 28px;
}

.history-row strong {
  color: var(--blue);
  font-size: 24px;
  font-weight: 900;
}

.history-row p {
  color: var(--body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
}

.recruit {
  background:
    linear-gradient(rgba(11, 77, 163, 0.88), rgba(6, 52, 111, 0.9)),
    url("baksu-office-hero.png") center / cover fixed;
  color: var(--white);
}

.recruit .section-kicker,
.recruit .section-head p {
  color: rgba(255, 255, 255, 0.78);
}

.recruit-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(6px);
}

.recruit-step {
  min-height: 170px;
  padding: 26px;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
}

.recruit-step:last-child {
  border-right: 0;
}

.recruit-step span {
  display: block;
  color: rgba(255, 255, 255, 0.6);
  font-size: 36px;
  font-weight: 200;
}

.recruit-step strong {
  display: block;
  margin-top: 18px;
  font-size: 20px;
  font-weight: 900;
}

.recruit-step p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  line-height: 1.6;
}

.guide-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 46px;
}

.guide-note {
  min-height: 210px;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.guide-note span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.guide-note h3 {
  margin: 16px 0 14px;
  font-size: 26px;
  font-weight: 900;
}

.guide-note p {
  margin: 0;
  color: var(--body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
}

.policy-stack {
  display: grid;
  gap: 28px;
  border-top: 2px solid var(--ink);
}

.policy-card {
  display: grid;
  grid-template-columns: minmax(220px, 0.28fr) minmax(0, 0.72fr);
  gap: 34px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.policy-card > span {
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.policy-card h3 {
  margin: 0 0 18px;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.25;
}

.policy-card h4 {
  margin: 22px 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.35;
}

.policy-card p,
.policy-card li {
  color: var(--body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
}

.policy-card p {
  margin: 0 0 18px;
}

.policy-card ul {
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.policy-card li {
  position: relative;
  padding-left: 14px;
}

.policy-card li::before {
  position: absolute;
  left: 0;
  top: 12px;
  width: 4px;
  height: 4px;
  background: var(--blue);
  content: "";
}

.policy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.article-card {
  display: grid;
  gap: 16px;
  min-height: 250px;
  padding: 30px;
  border: 1px solid var(--line);
  background: var(--white);
}

.article-card span,
.article-meta-list span,
.article-related span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
}

.article-card h3 {
  margin: 0;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.25;
}

.article-card p {
  margin: 0;
  color: var(--body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
}

.article-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: end;
  width: fit-content;
  min-width: 118px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid var(--blue);
  border-radius: 42px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.article-document {
  display: grid;
  grid-template-columns: minmax(210px, 0.28fr) minmax(0, 0.72fr);
  gap: 46px;
  border-top: 2px solid var(--ink);
}

.article-meta-list {
  display: grid;
  gap: 18px;
  align-content: start;
  padding-top: 34px;
}

.article-meta-list dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.article-meta-list div {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.article-meta-list dt {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.article-meta-list dd {
  margin: 0;
  color: var(--ink);
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
}

.article-content {
  padding-top: 34px;
}

.article-summary {
  margin: 0 0 34px;
  padding: 24px 26px;
  border-left: 4px solid var(--blue);
  background: var(--soft);
  color: var(--ink);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.65;
}

.article-content h2 {
  margin: 42px 0 16px;
  font-size: 32px;
  font-weight: 900;
  line-height: 1.28;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content p,
.article-content li {
  color: var(--body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.85;
}

.article-content p {
  margin: 0 0 18px;
}

.article-content ul,
.article-content ol {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding-left: 22px;
}

.article-content strong {
  color: var(--ink);
  font-weight: 900;
}

.article-related {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.article-related h2 {
  margin: 10px 0 18px;
  font-size: 28px;
}

.article-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.article-next a {
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--soft);
}

.article-next strong {
  color: var(--ink);
  font-size: 17px;
}

.article-next small {
  color: var(--body);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.5;
}

.doc-shell {
  width: min(980px, calc(100% - 64px));
  margin: 0 auto;
  padding: 125px 0 82px;
}

.doc-index,
.doc-article {
  color: var(--ink);
}

.doc-index h1,
.doc-article h1 {
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
}

.doc-index p {
  margin: 0 0 22px;
  color: var(--body);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
}

.doc-board {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.doc-board li {
  display: flex;
  align-items: center;
  min-height: 39px;
  border-bottom: 1px solid var(--line);
}

.doc-board a {
  display: block;
  width: 100%;
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 39px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.doc-board a:hover,
.doc-back a:hover,
.doc-service-link:hover {
  color: var(--blue);
}

.doc-service-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin: 0 0 22px;
  padding: 0 12px;
  border: 1px solid rgba(11, 77, 163, 0.24);
  border-left: 4px solid var(--blue);
  background: #fff4bf;
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.doc-article p {
  margin: 0 0 16px;
  color: var(--body);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.85;
}

.doc-back {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.doc-back a {
  color: var(--ink);
  font-size: 13px;
  font-weight: 500;
}

.legal-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 2px solid var(--ink);
}

.legal-card {
  min-height: 360px;
  padding: 34px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  scroll-margin-top: 110px;
}

.legal-card:last-child {
  border-right: 0;
}

.legal-card span {
  display: block;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.legal-card h3 {
  margin: 18px 0 18px;
  font-size: 28px;
  font-weight: 900;
  line-height: 1.25;
}

.legal-card p,
.legal-card li {
  color: var(--body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.75;
}

.legal-card p {
  margin: 0 0 18px;
}

.legal-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legal-card li {
  position: relative;
  padding-left: 14px;
}

.legal-card li::before {
  position: absolute;
  left: 0;
  top: 12px;
  width: 4px;
  height: 4px;
  background: var(--blue);
  content: "";
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  height: 42px;
  margin-top: 6px;
  border: 1px solid var(--blue);
  border-radius: 42px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
}

.recruit .contact-link {
  border-color: rgba(255, 255, 255, 0.68);
  color: var(--white);
}

.footer {
  background: var(--ink);
}

.footer-address {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 78px 0 40px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.footer-links a {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 0;
}

.footer-info dd {
  position: relative;
  margin: 0 12px 0 0;
  padding-right: 12px;
  color: #999999;
  font-size: 13px;
  line-height: 1.6;
}

.footer-info dd::after {
  position: absolute;
  right: 0;
  top: 4px;
  width: 1px;
  height: 12px;
  background: #555555;
  content: "";
}

.footer-info dd.no-line::after {
  display: none;
}

.footer-contact {
  min-width: 280px;
  text-align: right;
}

.footer-contact h3 {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 36px;
  font-weight: 200;
}

.footer-contact p {
  margin: 0;
  color: #999999;
  font-size: 13px;
  line-height: 1.8;
}

.footer-copy {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  border-top: 1px solid #29292a;
  color: #999999;
  font-size: 13px;
  line-height: 78px;
}

@media (max-width: 1200px) {
  .w-1600 {
    width: min(100% - 48px, 1080px);
  }

  .site-header,
  .header-inner {
    height: 64px;
  }

  .header-inner {
    display: flex;
    justify-content: space-between;
  }

  .logo {
    font-size: 21px;
  }

  .logo-mark {
    transform: scale(0.82);
    transform-origin: left center;
  }

  .sub-visual {
    margin-top: 64px;
  }

  .gnb {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    padding: 12px 24px 20px;
    border-top: 1px solid #eeeeee;
    border-bottom: 1px solid var(--line);
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
  }

  .gnb.is-open {
    display: grid;
  }

  .gnb a {
    height: 48px;
    border-bottom: 1px solid #eeeeee;
    font-size: 15px;
    line-height: 48px;
  }

  .mobile-menu-button {
    display: block;
  }

  .section-head p {
    width: 48%;
  }
}

@media (max-width: 900px) {
  .sub-visual {
    height: 220px;
    margin-top: 64px;
  }

  .sub-route h1 {
    font-size: 34px;
  }

  .sub-tab {
    width: calc(100% - 32px);
    height: 52px;
    line-height: 52px;
    bottom: -26px;
  }

  .sub-tab > li {
    width: 50%;
    font-size: 15px;
  }

  .page-section {
    padding: 78px 0;
  }

  .section-head,
  .footer-address,
  .footer-copy {
    flex-direction: column;
  }

  .section-head {
    gap: 18px;
  }

  .section-head h2,
  .history-title h2 {
    font-size: 34px;
  }

  .section-head p {
    width: 100%;
  }

	  .history-grid,
	  .recruit-panel,
	  .guide-panel,
	  .policy-card,
	  .article-list,
	  .article-document,
	  .article-next,
	  .legal-list {
	    grid-template-columns: 1fr;
	  }

	  .article-meta-list {
	    padding-top: 24px;
	  }

	  .article-content {
	    padding-top: 0;
	  }

  .history-title {
    padding: 0 0 24px;
  }

  .history-list {
    border-left: 0;
  }

  .history-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 0;
  }

  .history-row strong,
  .history-row p {
    padding: 0;
  }

  .recruit-step {
    min-height: 130px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
  }

  .recruit-step:last-child {
    border-bottom: 0;
  }

  .legal-card {
    min-height: 0;
    border-right: 0;
  }

  .footer-contact {
    min-width: 0;
    text-align: left;
  }

  .footer-copy {
    min-height: 0;
    padding: 22px 0;
    line-height: 1.6;
  }

  .doc-shell {
    width: calc(100% - 32px);
    padding: 92px 0 62px;
  }
}

@media (max-width: 560px) {
  .w-1600 {
    width: calc(100% - 24px);
  }

  .gnb {
    grid-template-columns: 1fr;
    padding: 10px 16px 18px;
  }

  .sub-route ul {
    gap: 8px;
  }

  .sub-route li {
    font-size: 13px;
  }

  .sub-route li + li::before {
    margin-right: 8px;
  }

  .sub-tab > li {
    font-size: 13px;
  }

  .footer-links {
    gap: 14px 18px;
  }
}