@charset "utf-8";
/* bdf.or.kr — 빅데이터기술포럼 (2026-11-04 새로 개발) */
:root {
  --navy: #0b1f4d;
  --blue: #1f4fbf;
  --sky: #5fb3ff;
  --teal: #19b3a6;
  --ink: #1b2233;
  --sub: #5a6478;
  --line: #e3e7ef;
  --bg2: #f4f6fb;
  --w: 1200px;
  --hd: 84px;
  --r: 14px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif; color: var(--ink); font-size: 16px; line-height: 1.7; background: #fff; word-break: keep-all; overflow-wrap: anywhere; }
img { max-width: 100%; height: auto; vertical-align: top; }
a { color: inherit; text-decoration: none; }
ul, ol, dl, dd, figure { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; cursor: pointer; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; top: 0; z-index: 100; background: var(--navy); color: #fff; padding: 10px 16px; }
.skip:focus { left: 10px; }
.wrap { width: min(var(--w), 100% - 40px); margin: 0 auto; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }

/* 머리 */
.hd { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); transition: box-shadow .3s; }
.hd.is-scrolled { box-shadow: 0 6px 24px rgba(11,31,77,.08); }
.hd-in { width: min(var(--w), 100% - 40px); margin: 0 auto; height: var(--hd); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.hd-logo { display: block; }
/* 로고 B안(11-04 사용자 선택): 원본 마크 + 글자. 어두운 배경은 마크·글자 색 반전 */
.logo { display: inline-flex; align-items: center; gap: 12px; line-height: 1; }
.logo img { width: 46px; height: auto; flex: none; }
.logo-t { display: flex; flex-direction: column; gap: 5px; }
.logo-t b { font-size: 25px; font-weight: 800; letter-spacing: -.02em; color: #1d2a6b; white-space: nowrap; }
.logo-t b em { font-style: normal; color: #3c63d6; }
.logo-t small { font-size: 11.5px; font-weight: 500; color: #6a7391; letter-spacing: .02em; white-space: nowrap; }
.logo--w .logo-t b { color: #fff; }
.logo--w .logo-t b em { color: #9fb4ff; }
.logo--w .logo-t small { color: #c9d3ee; }
.ft-logo { margin-bottom: 14px; display: flex; justify-content: flex-end; }
.gnb-list { display: flex; gap: 8px; }
.gnb-item { position: relative; }
.gnb-top { display: block; padding: 0 26px; line-height: var(--hd); font-weight: 700; font-size: 17px; position: relative; }
.gnb-top::after { content: ""; position: absolute; left: 26px; right: 26px; bottom: 22px; height: 2px; background: var(--blue); transform: scaleX(0); transition: transform .25s; }
.gnb-item:hover .gnb-top::after, .gnb-item:focus-within .gnb-top::after, .gnb-item.is-on .gnb-top::after { transform: scaleX(1); }
.gnb-item.is-on .gnb-top { color: var(--blue); }
.gnb-sub { position: absolute; left: 50%; top: calc(var(--hd) - 6px); min-width: 180px; transform: translate(-50%, 8px); background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 8px; box-shadow: 0 16px 40px rgba(11,31,77,.12); opacity: 0; visibility: hidden; transition: .2s; }
.gnb-item:hover .gnb-sub, .gnb-item:focus-within .gnb-sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.gnb-sub a { display: block; padding: 9px 14px; border-radius: 8px; font-size: 15px; color: var(--sub); white-space: nowrap; }
.gnb-sub a:hover, .gnb-sub a[aria-current] { background: var(--bg2); color: var(--blue); }
.hd-menu { display: none; width: 44px; height: 44px; border: 0; background: transparent; position: relative; }
.hd-menu span { position: absolute; left: 10px; right: 10px; height: 2px; background: var(--ink); transition: .25s; }
.hd-menu span:nth-child(1) { top: 14px; } .hd-menu span:nth-child(2) { top: 21px; } .hd-menu span:nth-child(3) { top: 28px; }
.hd-menu[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.hd-menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hd-menu[aria-expanded="true"] span:nth-child(3) { top: 21px; transform: rotate(-45deg); }
.dim { position: fixed; inset: 0; background: rgba(5,12,30,.45); z-index: 40; }

/* 첫 화면 배너 */
.hero { position: relative; height: min(680px, 78vh); min-height: 460px; max-height: 680px; overflow: hidden; background: var(--navy); color: #fff; }
.hero-slide { position: absolute; inset: 0; overflow: hidden; opacity: 0; visibility: hidden; transition: opacity 1s ease, visibility 1s; }
.hero-slide::before { content: ""; position: absolute; inset: 0; background: var(--bg) center/cover no-repeat; transform-origin: 70% 50%; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,12,35,.72) 0%, rgba(5,12,35,.35) 55%, rgba(5,12,35,0) 100%); }
.hero-slide.is-on { opacity: 1; visibility: visible; }
.hero-slide.is-on::before { animation: heroZoom 9s ease-out both; }
@keyframes heroZoom { from { transform: scale(1.1); } to { transform: scale(1); } }
.hero-txt { position: relative; z-index: 1; width: min(var(--w), 100% - 40px); margin: 0 auto; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 14px; }
.hero-kicker { font-size: 15px; letter-spacing: .18em; text-transform: uppercase; color: var(--sky); font-weight: 700; }
.hero-title { font-size: clamp(30px, 4.6vw, 58px); font-weight: 900; line-height: 1.25; max-width: 16em; }
.hero-desc { font-size: clamp(16px, 1.6vw, 21px); color: rgba(255,255,255,.88); max-width: 32em; }
.hero-slide .hero-txt > * { opacity: 0; transform: translateY(24px); }
.hero-slide.is-on .hero-txt > * { opacity: 1; transform: none; transition: opacity .8s ease, transform .8s ease; }
.hero-slide.is-on .hero-txt > :nth-child(2) { transition-delay: .15s; }
.hero-slide.is-on .hero-txt > :nth-child(3) { transition-delay: .3s; }
.hero-slide.is-on .hero-txt > :nth-child(4) { transition-delay: .45s; }
.btn-hero { margin-top: 10px; display: inline-flex; align-items: center; gap: 10px; padding: 13px 26px; border: 1px solid rgba(255,255,255,.7); border-radius: 999px; font-weight: 700; transition: .25s; }
.btn-hero::after { content: "→"; transition: transform .25s; }
.btn-hero:hover { background: #fff; color: var(--navy); }
.btn-hero:hover::after { transform: translateX(4px); }
.hero-ctrl { position: absolute; z-index: 2; left: 50%; bottom: 34px; transform: translateX(-50%); width: min(var(--w), 100% - 40px); display: flex; gap: 10px; align-items: center; }
.hero-dot { width: 34px; height: 4px; border: 0; padding: 0; border-radius: 2px; background: rgba(255,255,255,.35); transition: .3s; }
.hero-dot.is-on { width: 60px; background: #fff; }
.hero-pause { width: 30px; height: 30px; margin-left: 8px; border: 1px solid rgba(255,255,255,.5); border-radius: 50%; background: transparent; position: relative; }
.hero-pause::before, .hero-pause::after { content: ""; position: absolute; top: 9px; width: 3px; height: 10px; background: #fff; }
.hero-pause::before { left: 10px; } .hero-pause::after { left: 15px; }
.hero-pause.is-paused::before { left: 11px; width: 0; height: 0; background: none; border-left: 9px solid #fff; border-top: 5px solid transparent; border-bottom: 5px solid transparent; }
.hero-pause.is-paused::after { display: none; }

/* 공통 구획 */
.sec { padding: 110px 0; }
.sec-kicker { font-size: 14px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--blue); }
.sec-title { margin-top: 8px; font-size: clamp(26px, 3vw, 38px); font-weight: 900; line-height: 1.3; }
.sec-more { margin-top: 40px; text-align: center; }
.btn-line { display: inline-flex; align-items: center; gap: 8px; padding: 11px 24px; border: 1px solid var(--ink); border-radius: 999px; font-weight: 700; font-size: 15px; transition: .25s; }
.btn-line::after { content: "→"; transition: transform .25s; }
.btn-line:hover { background: var(--ink); color: #fff; }
.btn-line:hover::after { transform: translateX(4px); }
.btn-line--w { border-color: rgba(255,255,255,.7); color: #fff; }
.btn-line--w:hover { background: #fff; color: var(--navy); }

/* 나타남 효과 */
.reveal { transition: opacity .8s ease var(--d, 0ms), transform .8s ease var(--d, 0ms); }
.js-reveal .reveal:not(.is-in) { opacity: 0; transform: translateY(30px); }

/* 인사말 요약 */
.greet-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.greet-body p { color: var(--sub); margin-bottom: 16px; font-size: 17px; }
.greet-sign { color: var(--ink) !important; margin-top: 10px; }
.greet-sign b { font-size: 20px; margin-left: 6px; }
.greet-body .btn-line { margin-top: 14px; }

/* 운영목적 */
.sec-purpose { background: var(--bg2); }
.purpose-list { margin-top: 44px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: p; }
.purpose-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 30px 24px 34px; min-height: 220px; position: relative; overflow: hidden; transition: transform .3s, box-shadow .3s, opacity .8s ease var(--d, 0ms); }
.purpose-card::before { content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%; background: linear-gradient(90deg, var(--blue), var(--teal)); transform: scaleX(0); transform-origin: left; transition: transform .4s; }
.purpose-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(11,31,77,.12); }
.purpose-card:hover::before { transform: scaleX(1); }
.purpose-no { flex: none; white-space: nowrap; display: block; font-size: 36px; font-weight: 900; color: transparent; -webkit-text-stroke: 1px var(--blue); line-height: 1; margin-bottom: 22px; }
.purpose-card p { font-size: 17px; font-weight: 700; line-height: 1.55; }

/* 연혁 */
.tl { margin-top: 50px; position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 30px; }
.tl::before { content: ""; position: absolute; left: 0; right: 0; top: 30px; height: 2px; background: linear-gradient(90deg, var(--blue), var(--teal)); }
.tl-year { position: relative; padding-top: 64px; }
.tl-year::before { content: ""; position: absolute; left: 0; top: 22px; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--blue); }
.tl-y { font-size: 34px; font-weight: 900; color: var(--blue); line-height: 1; margin-bottom: 18px; }
.tl-year li { display: flex; gap: 14px; padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: 16px; }
.tl-m { flex: none; min-width: 46px; white-space: nowrap; font-weight: 700; color: var(--teal); }
.tl-m--d::after { content: none !important; }
.tl-m::after { content: "월"; font-weight: 400; color: var(--sub); font-size: 13px; margin-left: 1px; }

/* 조직도 */
.sec-org { background: linear-gradient(180deg, #fff 0%, var(--bg2) 100%); }
.org { margin: 50px auto 0; max-width: 980px; text-align: center; position: relative; }
.org-top span { display: inline-block; padding: 16px 40px; border-radius: 12px; background: linear-gradient(135deg, var(--blue), var(--navy)); color: #fff; font-weight: 900; font-size: 20px; box-shadow: 0 12px 30px rgba(31,79,191,.3); }
.org-mid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 0 140px; padding: 34px 0; }
.org-mid::before { content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: #b9c3d8; }
.org-col { display: flex; flex-direction: column; gap: 14px; }
.org-col--l { align-items: flex-end; } .org-col--r { align-items: flex-start; }
.org-box { display: inline-block; background: #fff; border: 1px solid #cfd7e6; border-radius: 10px; padding: 11px 22px; font-weight: 700; font-size: 15px; position: relative; }
.org-col--l .org-box::after, .org-col--r .org-box::after { content: ""; position: absolute; top: 50%; width: 70px; height: 2px; background: #b9c3d8; }
.org-col--l .org-box::after { left: 100%; } .org-col--r .org-box::after { right: 100%; }
.org-box--sup { color: #d9611c; } .org-box--adv { color: #2f7d32; }
.org-branches { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; padding-top: 34px; }
.org-branches::before { content: ""; position: absolute; left: 8%; right: 8%; top: 0; height: 2px; background: #b9c3d8; }
.org-branches::after { content: ""; position: absolute; left: 50%; top: -34px; width: 2px; height: 34px; background: #b9c3d8; }
.org-branches .org-box { padding: 16px 8px; font-size: 15px; line-height: 1.4; transition: transform .3s, border-color .3s; }
.org-branches .org-box::before { content: ""; position: absolute; left: 50%; top: -35px; width: 2px; height: 34px; background: #b9c3d8; }
.org-branches .org-box small { display: block; font-weight: 400; color: var(--sub); font-size: 13px; }
.org-branches .org-box:hover { transform: translateY(-4px); border-color: var(--blue); }
.org-img { margin: 60px auto 0; max-width: 882px; text-align: center; }
.org-img img { border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.org-img figcaption { margin-top: 10px; font-size: 14px; color: var(--sub); }

/* 소식·찾아오시는 길 */
.news-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: stretch; }
.news-list { margin-top: 30px; border-top: 2px solid var(--ink); }
.news-list a { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 20px 4px; border-bottom: 1px solid var(--line); transition: background .2s, padding .2s; }
.news-list a:hover { background: var(--bg2); padding-left: 14px; }
.news-bo { font-size: 13px; font-weight: 700; color: var(--blue); border: 1px solid #c7d4f2; border-radius: 999px; padding: 2px 10px; white-space: nowrap; }
.news-t { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-list time { color: var(--sub); font-size: 14px; }
.contact-card { background: linear-gradient(140deg, var(--navy), #163f8f); color: #fff; border-radius: 20px; padding: 40px; }
.contact-card .sec-kicker { color: var(--sky); }
.contact-dl { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; margin: 24px 0 28px; font-size: 15px; }
.contact-dl dt { color: rgba(255,255,255,.65); }
.contact-dl a { text-decoration: underline; text-underline-offset: 3px; }

/* 하위 쪽 */
.sub-hero { background: url('/assets/img/sub_bg.webp?v=20261104e') center/cover no-repeat var(--navy); color: #fff; padding: 70px 0 64px; }
.sub-hero-in { width: min(var(--w), 100% - 40px); margin: 0 auto; }
.sub-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 900; margin-top: 10px; animation: subIn .8s ease both; }
@keyframes subIn { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
.crumb { font-size: 14px; color: rgba(255,255,255,.75); display: flex; flex-wrap: wrap; gap: 6px; }
.crumb span::before { content: "›"; margin-right: 6px; }
.sub-tab { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: var(--hd); z-index: 30; }
.sub-tab ul { width: min(var(--w), 100% - 40px); margin: 0 auto; display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.sub-tab ul::-webkit-scrollbar { display: none; }
.sub-tab a { display: block; padding: 18px 20px; font-weight: 500; color: var(--sub); white-space: nowrap; border-bottom: 3px solid transparent; }
.sub-tab a:hover { color: var(--ink); }
.sub-tab a.is-on { color: var(--blue); border-bottom-color: var(--blue); font-weight: 700; }
.sub-main { padding: 70px 0 110px; }
.page-h2 { font-size: clamp(22px, 2.4vw, 30px); font-weight: 900; margin-bottom: 30px; }
.greet-page { display: grid; grid-template-columns: 380px 1fr; gap: 60px; align-items: start; }
.greet-visual { aspect-ratio: 3/4; border-radius: 20px; background: url('/assets/img/hero1.webp?v=20261104e') 70% center/cover no-repeat; position: relative; overflow: hidden; display: flex; align-items: flex-end; padding: 30px; position: sticky; top: calc(var(--hd) + 80px); }
.greet-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5,12,35,.75), rgba(5,12,35,0) 60%); }
.greet-visual span { position: relative; z-index: 1; color: #fff; font-size: 30px; font-weight: 900; line-height: 1.15; }
.greet-text p { margin-bottom: 22px; font-size: 17px; color: #333b4d; }
.greet-text .page-h2 { font-size: clamp(26px, 3vw, 36px); color: var(--blue); }
.greet-text .greet-sign { margin-top: 36px; font-size: 16px; text-align: right; }
.purpose-list--page { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); margin-top: 0; }
.tl--page { margin-top: 10px; grid-template-columns: 1fr; max-width: 860px; }
.tl--page::before { left: 8px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--blue), var(--teal)); }
.tl--page .tl-year { padding: 0 0 36px 44px; display: grid; grid-template-columns: 110px 1fr; gap: 0 20px; }
.tl--page .tl-year::before { left: 0; top: 4px; }
.tl--page .tl-y { font-size: 30px; }
@media (max-width: 600px) { .tl--page .tl-year { grid-template-columns: 1fr; padding-left: 36px; } }
.loc-tbl { width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); font-size: 15px; }
.loc-tbl th, .loc-tbl td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.loc-tbl th { width: 14%; background: var(--bg2); font-weight: 700; white-space: nowrap; }
.loc-tbl a { color: var(--blue); }
.loc-map { margin-top: 30px; min-height: 200px; border-radius: var(--r); overflow: hidden; }
.loc-map .root_daum_roughmap { max-width: 100%; }
.loc-join { margin-top: 24px; padding: 20px 24px; border-radius: var(--r); background: var(--bg2); }
.loc-join strong { color: var(--blue); font-size: 19px; margin-left: 6px; }

/* 게시판 */
.board-total { font-size: 15px; color: var(--sub); margin-bottom: 14px; }
.board-total b { color: var(--blue); }
.board-list { border-top: 2px solid var(--ink); }
.board-list a { display: grid; grid-template-columns: 60px 1fr 90px 110px; gap: 10px; align-items: center; padding: 20px 6px; border-bottom: 1px solid var(--line); transition: background .2s; }
.board-list a:hover { background: var(--bg2); }
.board-list a:hover .bl-t { color: var(--blue); }
.bl-no { text-align: center; color: var(--sub); font-size: 14px; }
.bl-t { font-weight: 500; }
.bl-w, .bl-d { color: var(--sub); font-size: 14px; text-align: center; }
.empty { padding: 80px 0; text-align: center; color: var(--sub); border-top: 2px solid var(--ink); border-bottom: 1px solid var(--line); }
.empty a { color: var(--blue); text-decoration: underline; }
.post { border-top: 2px solid var(--ink); }
.post-hd { padding: 26px 6px; border-bottom: 1px solid var(--line); }
.post-t { font-size: clamp(20px, 2.2vw, 26px); font-weight: 700; line-height: 1.45; }
.post-meta { margin-top: 10px; color: var(--sub); font-size: 14px; display: flex; gap: 14px; }
.post-body { padding: 40px 6px 50px; border-bottom: 1px solid var(--line); font-size: 17px; }
.post-body p { margin-bottom: 14px; }
.post-nav { display: grid; gap: 0; }
.pn { display: block; padding: 16px 6px; border-bottom: 1px solid var(--line); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pn small { display: inline-block; width: 64px; color: var(--sub); font-size: 13px; }
.pn:hover { color: var(--blue); }
.post-list-btn { margin-top: 30px; text-align: center; }

/* 바닥 */
.ft { background: #0a1430; color: rgba(255,255,255,.7); font-size: 14px; position: relative; }
.ft-in { width: min(var(--w), 100% - 40px); margin: 0 auto; padding: 56px 0 50px; display: grid; grid-template-columns: auto 1fr; gap: 60px; }
.ft-menu { display: flex; gap: 50px; }
.ft-menu dt { color: #fff; font-weight: 700; margin-bottom: 12px; }
.ft-menu dd { margin: 6px 0; }
.ft-menu a:hover { color: #fff; }
.ft-info { text-align: right; line-height: 1.9; }
.ft-name strong { color: #fff; font-size: 16px; }
.ft-info i { font-style: normal; opacity: .4; margin: 0 6px; }
.ft-copy { margin-top: 12px; opacity: .6; font-size: 13px; }
.to-top { position: fixed; right: 22px; bottom: 22px; z-index: 30; width: 46px; height: 46px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-size: 20px; box-shadow: 0 10px 24px rgba(31,79,191,.35); opacity: 0; visibility: hidden; transition: .3s; }
.to-top.is-on { opacity: 1; visibility: visible; }

/* 반응형 */
@media (max-width: 1100px) {
  .purpose-list { grid-template-columns: repeat(3, 1fr); }
  .org-branches { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .org-branches::before { display: none; }
  .greet-page { grid-template-columns: 300px 1fr; gap: 40px; }
}
@media (max-width: 900px) {
  :root { --hd: 68px; }
  .logo img { width: 38px; } .logo-t b { font-size: 21px; } .logo-t small { font-size: 10px; }
  .ft-logo { justify-content: flex-start; }
  .hd-menu { display: block; z-index: 60; }
  .gnb { position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 86vw); background: #fff; z-index: 55; padding: calc(var(--hd) + 10px) 24px 30px; transform: translateX(100%); visibility: hidden; transition: transform .3s ease, visibility 0s linear .3s; overflow-y: auto; box-shadow: -10px 0 40px rgba(0,0,0,.15); }
  .gnb.is-open { transform: none; visibility: visible; transition: transform .3s ease; }
  .gnb-list { flex-direction: column; gap: 0; }
  .gnb-top { line-height: 1.4; padding: 18px 4px 10px; font-size: 18px; border-bottom: 1px solid var(--line); }
  .gnb-top::after { display: none; }
  .gnb-sub { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; padding: 6px 0 10px; min-width: 0; }
  .gnb-item:hover .gnb-sub, .gnb-item:focus-within .gnb-sub { transform: none; }
  .gnb-sub a { padding: 9px 6px; font-size: 16px; }
  .sec { padding: 80px 0; }
  .greet-grid, .news-grid { grid-template-columns: 1fr; gap: 30px; }
  .tl { grid-template-columns: 1fr; }
  .tl::before { left: 8px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: linear-gradient(180deg, var(--blue), var(--teal)); }
  .tl-year { padding: 0 0 30px 40px; }
  .tl-year::before { left: 0; top: 4px; }
  .org-mid { gap: 0 60px; }
  .org-col--l .org-box::after, .org-col--r .org-box::after { width: 30px; }
  .greet-page { grid-template-columns: 1fr; }
  .greet-visual { position: relative; top: 0; aspect-ratio: 16/7; }
  .ft-in { grid-template-columns: 1fr; gap: 30px; }
  .ft-info { text-align: left; }
  .sub-tab { top: var(--hd); }
}
@media (max-width: 600px) {
  body { font-size: 15px; }
  .hero { min-height: 420px; height: 72vh; max-height: 600px; }
  .hero-ctrl { bottom: 22px; }
  .purpose-list { grid-template-columns: 1fr; }
  .purpose-card { min-height: 0; display: flex; gap: 18px; align-items: center; padding: 22px; }
  .purpose-no { margin: 0; font-size: 30px; }
  .org-top span { padding: 12px 22px; font-size: 17px; }
  .org-mid { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
  .org-mid::before { display: none; }
  .org-col, .org-col--l, .org-col--r { align-items: stretch; }
  .org-col--l .org-box::after, .org-col--r .org-box::after { display: none; }
  .org-branches { grid-template-columns: repeat(2, 1fr); gap: 10px; padding-top: 10px; }
  .org-branches::after, .org-branches .org-box::before { display: none; }
  .news-list a { grid-template-columns: 1fr auto; }
  .news-bo { grid-column: 1 / -1; justify-self: start; }
  .contact-card { padding: 28px 22px; }
  .loc-tbl, .loc-tbl tbody, .loc-tbl tr { display: block; }
  .loc-tbl th, .loc-tbl td { display: block; width: 100%; padding: 10px 14px; }
  .loc-tbl th { border-bottom: 0; }
  .board-list a { grid-template-columns: 1fr auto; padding: 16px 4px; }
  .bl-no, .bl-w { display: none; }
  .ft-menu { gap: 30px; }
  .sub-hero { padding: 48px 0 44px; }
  .sub-tab a { padding: 14px 14px; font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}