/* 마즈코리아 홈페이지 공통 스타일
   레퍼런스: DB하이텍(2025 웹어워드 대상) 배치와 움직임, 색은 마즈코리아 색 */
:root {
  --u: max(0.75px, calc(100vw / 1536));   /* 레퍼런스와 같은 기준: 1536px 화면 = 1, 0.75 아래로는 줄지 않음 */
  --brand: #12808f;                    /* 마즈코리아 청록 (레퍼런스의 초록 자리) */
  --brand-dark: #0d6773;
  --brand-light: #5fc4d2;
  --navy: #10264a;
  --navy-deep: #0a1a33;
  --ink: #1c1c1c;
  --text: #444;
  --gray: #666;
  --gray-2: #aaa;
  --line: #ddd;
  --bg-gray: #f5f5f5;
  --loop: #e8eef4;
  --img-bg: #f5f5f5;
  --header-h: calc(var(--u) * 100);
  --side: calc(var(--u) * 40);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  font-size: calc(var(--u) * 18);
  line-height: 1.5;
  letter-spacing: -0.02em;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
h2 { font-size: calc(var(--u) * 48); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
h3 { font-size: calc(var(--u) * 32); font-weight: 600; letter-spacing: -0.02em; line-height: 1.4; }
.blind { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -9999px; z-index: 2000; }
.skip:focus { left: 16px; top: 16px; background: #fff; padding: 8px 14px; border-radius: 6px; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.row_wrap { padding: 0 var(--side); }
.row { width: 100%; }
.narrow { max-width: calc(var(--u) * 1200); margin: 0 auto; }

/* 스크롤 등장 (레퍼런스: translateY 12% → 0, 0.8초, 화면 70% 지점) */
.js [data-motion] { opacity: 0; transform: translateY(12%); transition: opacity 0.8s, transform 0.8s; }
.js [data-motion].is_animated { opacity: 1; transform: none; }

/* ---------- 버튼 ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  min-width: calc(var(--u) * 120); height: calc(var(--u) * 44); padding: 0 calc(var(--u) * 25);
  border: 1px solid var(--ink); border-radius: calc(var(--u) * 6); overflow: hidden; isolation: isolate;
  font-size: calc(var(--u) * 16); font-weight: 500; line-height: 1.5; color: var(--ink); white-space: nowrap;
  transition: color 0.3s, border-color 0.3s;
}
/* 레퍼런스: 마우스를 올리면 왼쪽에서부터 색이 채워짐 (0.3초) */
.btn::before { content: ""; position: absolute; left: 0; top: 0; width: 0; height: 100%; z-index: -1; background: var(--brand); transition: width 0.3s ease; }
.btn.white { border-color: #fff; color: #fff; }
.btn.fill { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.fill::before { background: var(--navy); }
@media (min-width: 1025px) and (pointer: fine) {
  .btn:hover, .btn.white:hover, .btn.fill:hover { color: #fff; border-color: transparent; }
  .btn:hover::before { width: 100%; }
}
/* 화살표가 오른쪽으로 빠졌다가 왼쪽에서 다시 들어오는 효과 */
.arr { position: relative; display: inline-block; width: calc(var(--u) * 24); height: calc(var(--u) * 24); margin-left: calc(var(--u) * 12); overflow: hidden; flex: none; }
.arr::before, .arr::after {
  content: ""; position: absolute; top: 50%; right: 0; width: 100%; height: 100%; transform: translateY(-50%);
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12h12M13 7l5 5-5 5'/%3E%3C/svg%3E") center / 60% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12h12M13 7l5 5-5 5'/%3E%3C/svg%3E") center / 60% no-repeat;
}
.arr::after { opacity: 0; }
@keyframes arrowBefore { 0% { opacity: 1; right: 0; } 100% { opacity: 0; right: calc(var(--u) * -20); } }
@keyframes arrowAfter { 0% { opacity: 0; right: calc(var(--u) * 20); } 100% { opacity: 1; right: 0; } }
@media (hover: hover) {
  a:hover > .arr::before, a:hover .arr-go::before, button:hover > .arr::before { animation: arrowBefore 0.3s forwards; }
  a:hover > .arr::after, a:hover .arr-go::after, button:hover > .arr::after { animation: arrowAfter 0.3s 0.3s forwards; }
}
.arr.sm { width: calc(var(--u) * 20); height: calc(var(--u) * 20); }

/* ---------- 머리글 ---------- */
.header .dim { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.5); opacity: 0; visibility: hidden; transition: opacity 0.4s, visibility 0.4s; z-index: 990; }
.header.active .dim { opacity: 1; visibility: visible; }
.header_wrap {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: #fff; transition: top 0.6s;
}
body[data-scroll="down"] .header[data-fixed="true"]:not(.all-menu) .header_wrap { top: -20%; }
.header .inner { position: relative; display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding: 0 var(--side); }
.logo { display: inline-flex; align-items: center; gap: calc(var(--u) * 10); color: var(--navy); }
.logo svg { width: calc(var(--u) * 30); height: calc(var(--u) * 30); }
.logo rect { fill: var(--navy); }
.logo rect:last-child { fill: var(--brand); }
.logo span { font-size: calc(var(--u) * 22); font-weight: 800; letter-spacing: 0.05em; }
.gnb { position: absolute; left: 50%; top: 0; transform: translateX(-50%); display: flex; height: var(--header-h); }
.gnb > li { position: relative; }
.gnb > li > a {
  position: relative; display: flex; align-items: center; justify-content: center; height: var(--header-h); padding: 0 calc(var(--u) * 20);
  font-size: calc(var(--u) * 17); font-weight: 500; color: var(--ink); white-space: nowrap; transition: color 0.3s;
}
.gnb > li > a::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; background: var(--brand); transform: translateX(-50%); transition: width 0.3s; }
.gnb > li:hover > a, .gnb > li.current > a { color: var(--brand); }
.gnb > li:hover > a::after { width: 100%; }
.header .util { display: flex; align-items: center; gap: calc(var(--u) * 16); }
.pill {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; height: calc(var(--u) * 40); padding: 0 calc(var(--u) * 12) 0 calc(var(--u) * 16);
  border: 1px solid var(--line); border-radius: 999px; font-size: calc(var(--u) * 14); font-weight: 600; transition: color 0.3s, border-color 0.3s;
}
.pill::before { content: ""; position: absolute; left: 0; top: 0; width: 0; height: 100%; z-index: -1; background: var(--brand); transition: width 0.3s ease; }
@media (min-width: 1200px) and (pointer: fine) { .pill:hover { color: #fff; border-color: transparent; } .pill:hover::before { width: 100%; } }
.pill .arr { margin-left: calc(var(--u) * 4); transform: rotate(-45deg); }
.btn_burger { position: relative; width: calc(var(--u) * 32); height: calc(var(--u) * 32); }
.btn_burger span { position: absolute; left: 15%; width: 70%; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.3s, opacity 0.3s, top 0.3s; }
.btn_burger span:nth-child(1) { top: 30%; }
.btn_burger span:nth-child(2) { top: 49%; }
.btn_burger span:nth-child(3) { top: 68%; }
.all-menu .btn_burger span:nth-child(1) { top: 49%; transform: rotate(45deg); }
.all-menu .btn_burger span:nth-child(2) { opacity: 0; }
.all-menu .btn_burger span:nth-child(3) { top: 49%; transform: rotate(-45deg); }

/* 메가메뉴: 머리글에 마우스를 올리면 아래로 펼쳐짐 */
.mega { overflow: hidden; height: 0; background: #fff; border-top: 1px solid transparent; transition: border-color 0.3s; }
.header.active .mega { border-top-color: #ddd; }
.mega .mega_in { position: relative; min-height: calc(var(--u) * 300); }
.mega .cols { position: absolute; left: 50%; top: 0; bottom: 0; display: flex; transform: translateX(-50%); }
.mega .col { width: calc(var(--u) * 172); padding: calc(var(--u) * 24) calc(var(--u) * 5); text-align: center; border-left: 1px solid #ddd; transition: background 0.3s; }
.mega .col:last-child { border-right: 1px solid #ddd; }
.mega .col:hover, .mega .col.hover { background: #f7f9fa; }
.mega .col h4 { display: none; }  /* 레퍼런스: 칸 안에 메뉴 제목을 다시 쓰지 않음 */
.mega .col li a { display: inline-block; padding: calc(var(--u) * 6) 0; font-size: calc(var(--u) * 15); font-weight: 500; color: var(--gray); transition: color 0.2s; }
.mega .col li a:hover { color: var(--brand); }
.mega .quick { position: absolute; right: var(--side); top: 0; width: calc(var(--u) * 210); padding: calc(var(--u) * 24) 0 calc(var(--u) * 24) calc(var(--u) * 24); display: flex; flex-direction: column; gap: calc(var(--u) * 10); }
.mega .quick a, .sitemap .quick a {
  display: flex; align-items: center; justify-content: space-between; height: calc(var(--u) * 52); padding: 0 calc(var(--u) * 16);
  border-radius: calc(var(--u) * 6); background: #eef2f6; font-size: calc(var(--u) * 15); font-weight: 600; transition: background 0.3s;
}
.mega .quick a:hover, .sitemap .quick a:hover { background: #e2e9f0; }
.mega .quick a.on, .sitemap .quick a.on { background: linear-gradient(90deg, var(--brand), var(--navy)); color: #fff; }
.mega .badge { align-self: flex-end; margin-right: auto; padding: 0 0 calc(var(--u) * 24); font-size: calc(var(--u) * 12); color: var(--gray); }

/* 전체 메뉴 (햄버거): 레퍼런스 데스크톱은 머리글 아래 전체를 덮고 메뉴 묶음이 한 줄로 가운데 정렬, 투명도만 0.4초 */
.sitemap {
  position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0; z-index: 999; background: #fff; border-top: 1px solid #ddd;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 0; padding: calc(var(--u) * 32) var(--side) 0;
  opacity: 0; visibility: hidden; transition: opacity 0.4s ease, visibility 0.4s; overflow-y: auto;
}
.all-menu .sitemap { opacity: 1; visibility: visible; }
.all-menu .gnb { visibility: hidden; }
.sitemap .grid { flex: 1; display: flex; justify-content: center; }
.sitemap .grp { width: calc(var(--u) * 184); padding: 0 calc(var(--u) * 15); border-left: 1px solid #ddd; }
.sitemap .grp:first-child { border-left: 0; }
.sitemap h4 { position: relative; margin-bottom: calc(var(--u) * 20); font-size: calc(var(--u) * 16); font-weight: 600; }
.sitemap .tog { display: none; }
.sitemap li a { display: inline-block; padding: calc(var(--u) * 4) 0; font-size: calc(var(--u) * 14); font-weight: 500; color: var(--ink); }
.sitemap li a:hover { color: var(--brand); }
.sitemap .quick { flex: none; width: calc(var(--u) * 246); display: flex; flex-direction: column; gap: calc(var(--u) * 10); }

/* ---------- 메인 첫 화면 (KV) ---------- */
.kv_wrap { padding-top: var(--header-h); }
.main_visual { position: relative; padding-bottom: calc(var(--u) * 40); }
.main_visual .swiper_wrap { position: relative; height: calc(100vh - var(--u) * 140); min-height: calc(var(--u) * 560); border-radius: calc(var(--u) * 12); overflow: hidden; background: #ddd; }
.main_visual .swiper { width: 100%; height: 100%; }
.main_visual .swiper-slide { position: relative; overflow: hidden; height: 100%; }
.main_visual .kv_img { position: absolute; inset: 0; }
.main_visual .kv_img img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); }
/* 레퍼런스의 영상 자리: 사진이 천천히 다가오는 움직임 */
.main_visual .swiper-slide-active .kv_img img { animation: kvZoom 7s linear forwards; }
@keyframes kvZoom { from { transform: scale(1.12); } to { transform: scale(1); } }
.main_visual .kv_img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10, 26, 51, 0.55), rgba(10, 26, 51, 0.1) 70%); }
.main_visual .kv_img.bright img { filter: brightness(1.25); }
.main_visual .main_txt { position: absolute; left: calc(var(--u) * 80); top: 38%; z-index: 10; }
.main_visual .main_txt h2 { margin-bottom: calc(var(--u) * 40); color: #fff; font-size: calc(var(--u) * 48); }
.main_visual .control_wrap { position: absolute; left: calc(var(--u) * 80); top: calc(38% - var(--u) * 90); z-index: 11; display: flex; align-items: center; gap: calc(var(--u) * 10); }
.main_visual .control_wrap .play_btn { width: calc(var(--u) * 24); height: calc(var(--u) * 24); display: grid; place-items: center; }
.main_visual .control_wrap .play_btn svg { width: calc(var(--u) * 11); height: calc(var(--u) * 11); fill: #fff; }
.main_visual .control_wrap .play_btn .i-play { display: none; }
.main_visual .control_wrap .play_btn.paused .i-play { display: block; }
.main_visual .control_wrap .play_btn.paused .i-pause { display: none; }
.main_visual .bullets { display: flex; gap: calc(var(--u) * 10); }
.main_visual .bullet { position: relative; width: calc(var(--u) * 40); height: calc(var(--u) * 3); border-radius: 2px; overflow: hidden; cursor: pointer; }
.main_visual .bullet::after { content: ""; position: absolute; inset: 0; background: #fff; opacity: 0.2; }
.main_visual .bullet .progress { position: absolute; left: 0; top: 0; height: 100%; width: 0; background: #fff; border-radius: 2px; z-index: 1; }
.main_visual .outlink { position: absolute; left: calc(var(--u) * 80); bottom: calc(var(--u) * 40); z-index: 12; }
.main_visual .outlink a {
  display: inline-flex; align-items: center; height: calc(var(--u) * 60); padding: 0 calc(var(--u) * 24);
  background: var(--brand); color: #fff; border-radius: calc(var(--u) * 6) calc(var(--u) * 6) 0 0;
  font-size: calc(var(--u) * 17); font-weight: 600; transition: background 0.3s;
}
.main_visual .outlink a:hover { background: var(--brand-dark); }

/* ---------- 사업 상자 (벤토) ---------- */
.business { padding-top: calc(var(--u) * 40); overflow: hidden; }
.box_wrap { display: flex; gap: calc(var(--u) * 20); }
.box { position: relative; display: block; overflow: hidden; border-radius: calc(var(--u) * 12); color: #fff; isolation: isolate; }
.box .bg { position: absolute; inset: 0; z-index: -1; transform: scale(1); transition: transform 0.6s ease; }
.box .bg img { width: 100%; height: 100%; object-fit: cover; }
@media (hover: hover) { .box:hover .bg { transform: scale(1.05); } }
.left_box { width: 63%; height: calc(var(--u) * 520); padding: calc(var(--u) * 80); }
.left_box .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(10, 26, 51, 0.85) 20%, rgba(10, 26, 51, 0.2)); }
.left_box h2 a { display: inline-flex; align-items: center; color: #fff; }
.box_arrow { display: inline-grid; place-items: center; width: calc(var(--u) * 34); height: calc(var(--u) * 34); margin-left: calc(var(--u) * 24); overflow: hidden; }
.box_arrow::before { content: "→"; font-size: calc(var(--u) * 30); font-weight: 400; line-height: 1; transition: transform 0.3s; }
@media (hover: hover) { .left_box h2 a:hover .box_arrow::before, .right_box .box:hover .box_arrow::before { transform: translateX(6px); } }
.left_box .txt { margin-top: calc(var(--u) * 20); font-size: calc(var(--u) * 20); font-weight: 500; }
.pills { display: flex; flex-wrap: wrap; gap: calc(var(--u) * 20) calc(var(--u) * 8); margin-top: calc(var(--u) * 100); max-width: 83%; }
.pills a {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; padding: calc(var(--u) * 16) calc(var(--u) * 20); line-height: 1.5;
  border: 1px solid #fff; border-radius: 999px; background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-size: calc(var(--u) * 16); font-weight: 700; color: #fff; transition: background 0.3s, color 0.3s;
}
.pills a .arr { margin-left: calc(var(--u) * 6); }
.pills a::before { content: ""; position: absolute; left: 0; top: 0; width: 0; height: 100%; z-index: -1; background: #fff; transition: width 0.3s ease; }
@media (min-width: 1025px) and (pointer: fine) { .pills a:hover { color: var(--ink); } .pills a:hover::before { width: 100%; } }
.right_box { flex: 1; display: flex; flex-direction: column; gap: calc(var(--u) * 20); height: calc(var(--u) * 520); }
.right_box .box { flex: 1; padding: calc(var(--u) * 40); }
.right_box h3 { display: flex; align-items: center; color: #fff; }
.right_box .txt { margin-top: calc(var(--u) * 8); font-size: calc(var(--u) * 18); font-weight: 500; }
.bg_company { background: var(--navy-deep); }
.bg_inquiry { background: #0b3a44; }
.right_box .bg img { object-position: right center; }
.right_box .bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(6, 18, 36, 0.78) 0%, rgba(6, 18, 36, 0.45) 42%, rgba(6, 18, 36, 0) 78%); }
/* 레퍼런스 문의하기 칸의 영상 자리: 그림이 천천히 다가오고 말풍선 빛이 숨 쉬듯 밝아졌다 어두워짐 */
.bg_inquiry img { transform-origin: 75% 60%; animation: inquiryDrift 12s ease-in-out infinite alternate; }
@keyframes inquiryDrift { from { transform: scale(1.08) translate(1.5%, 1%); } to { transform: scale(1) translate(0, 0); } }
.bg_inquiry .glow { position: absolute; left: 60%; top: 18%; width: 36%; height: 74%; z-index: 1; background: radial-gradient(closest-side, rgba(95, 196, 210, 0.5), rgba(95, 196, 210, 0)); mix-blend-mode: screen; animation: glowPulse 3.2s ease-in-out infinite alternate; }
@keyframes glowPulse { from { opacity: 0.2; } to { opacity: 0.85; } }
.loop_text_wrap { display: flex; width: max-content; margin-top: calc(var(--u) * 20); will-change: transform; }
.loop_text { font-size: calc(var(--u) * 100); font-weight: 700; line-height: 1.5; color: var(--loop); white-space: nowrap; padding-right: 0.3em; }

/* ---------- 회사 정보 (투자정보 자리) ---------- */
.info_sec { position: relative; padding: calc(var(--u) * 120) 0; overflow: hidden; background: #e9edf1; }
.info_sec .bg_motion { position: absolute; inset: -20%; pointer-events: none; }
.info_sec .row_wrap { position: relative; z-index: 1; }
.info_sec .bg_motion i { position: absolute; display: block; width: 60%; height: 60%; background: linear-gradient(135deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0)); transform: rotate(35deg); animation: drift 18s ease-in-out infinite alternate; }
.info_sec .bg_motion i:nth-child(1) { left: 5%; top: 10%; }
.info_sec .bg_motion i:nth-child(2) { left: 45%; top: 35%; animation-duration: 22s; animation-delay: -6s; opacity: 0.7; }
.info_sec .bg_motion i:nth-child(3) { left: 25%; top: 55%; animation-duration: 26s; animation-delay: -12s; opacity: 0.5; }
@keyframes drift { from { transform: rotate(35deg) translate(0, 0); } to { transform: rotate(35deg) translate(8%, -6%); } }
.tit_wrap { display: flex; align-items: center; justify-content: space-between; gap: calc(var(--u) * 20); margin-bottom: calc(var(--u) * 40); }
.info_box { position: relative; display: flex; gap: calc(var(--u) * 20); }
.info_box .inner { display: flex; width: calc(100% - var(--u) * 415); height: calc(var(--u) * 420); background: #fff; border-radius: calc(var(--u) * 12); overflow: hidden; }
.info_box .ibox { position: relative; width: 50%; height: 100%; padding: calc(var(--u) * 60) calc(var(--u) * 40); }
.info_box .ibox + .ibox { border-left: 1px solid var(--line); }
.info_box .ibox h3 { display: flex; align-items: center; justify-content: space-between; }
.info_box .ibox .txt { margin-top: calc(var(--u) * 16); font-size: calc(var(--u) * 18); font-weight: 500; color: var(--gray); }
.info_box .ibox .ill { object-fit: contain; position: absolute; right: calc(var(--u) * 40); bottom: calc(var(--u) * 40); width: calc(var(--u) * 120); height: calc(var(--u) * 120); }
.go_arr { position: relative; width: calc(var(--u) * 24); height: calc(var(--u) * 24); overflow: hidden; flex: none; }
.go_arr::before { content: ""; position: absolute; inset: 0; background: currentColor; transition: transform 0.3s;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12h12M13 7l5 5-5 5'/%3E%3C/svg%3E") center / 60% no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12h12M13 7l5 5-5 5'/%3E%3C/svg%3E") center / 60% no-repeat; }
@media (hover: hover) { a:hover .go_arr::before { transform: translateX(25%); } }
.link_box { width: calc(var(--u) * 395); padding: 0 calc(var(--u) * 40); background: #fff; border-radius: calc(var(--u) * 12); display: flex; align-items: center; }
.link_box ul { width: 100%; }
.link_box li + li { border-top: 1px solid var(--line); }
.link_box a { display: flex; align-items: center; justify-content: space-between; padding: calc(var(--u) * 48) 0; font-size: calc(var(--u) * 20); font-weight: 600; }
.link_box .go_arr { color: var(--gray-2); }

/* ---------- 사업분야 가로 아코디언 (ESG 자리) ---------- */
.fields_sec { position: relative; height: 100vh; min-height: calc(var(--u) * 760); overflow: hidden; background: #000; }
.fields_sec .bg_list, .fields_sec .bg_list li { position: absolute; inset: 0; }
.fields_sec .bg_list li { opacity: 0; transition: opacity 0.8s ease-in-out; background-size: cover; background-position: center; }
.fields_sec .bg_list li.on { opacity: 1; z-index: 1; }
.fields_sec .bg_list li img { width: 100%; height: 100%; object-fit: cover; }
.fields_sec .bg_list li::after { content: ""; position: absolute; inset: 0; background: rgba(10, 26, 51, 0.35); }
.fields_sec .bg_list .g1 { background: radial-gradient(90% 120% at 80% 20%, #1b5f86, var(--navy) 55%, var(--navy-deep)); }
.fields_sec .bg_list .g2 { background: radial-gradient(90% 120% at 75% 30%, #168a8f, #0f4f63 50%, var(--navy-deep)); }
.fields_sec .bg_list .g3 { background: radial-gradient(90% 120% at 70% 25%, #2a6aa0, #143a66 50%, var(--navy-deep)); }
.fields_sec .bg_list .deco { position: absolute; right: 6%; top: 50%; width: 38%; transform: translateY(-50%); opacity: 0.12; }
.fields_sec .bg_list .deco img { width: 100%; height: auto; object-fit: contain; filter: grayscale(1) brightness(3); }
.acc { position: relative; z-index: 2; display: flex; justify-content: flex-end; height: 100%; }
.acc_item { height: 100%; overflow: hidden; display: flex; }
.acc_tit {
  display: flex; justify-content: center; align-items: flex-end; width: 8vw; height: 100%; padding: calc(var(--u) * 140) 0;
  border-left: 1px solid rgba(255, 255, 255, 0.8); color: rgba(255, 255, 255, 0.5);
  font-size: calc(var(--u) * 32); font-weight: 700; transition: background-color 0.6s ease-in-out, color 0.6s ease-in-out; user-select: none;
}
.acc_tit p { writing-mode: sideways-lr; transform: scale(1); transition: transform 0.4s ease-in-out; white-space: nowrap; }
@supports not (writing-mode: sideways-lr) { .acc_tit p { writing-mode: vertical-rl; transform: rotate(180deg); } }
@media (hover: hover) { .acc_tit:hover { background: rgba(0, 0, 0, 0.3); color: #fff; } .acc_tit:hover p { transform: scale(1.05); } }
.acc_item.active .acc_tit { display: none; }
.acc_cont { width: 0; --show: 0; overflow: hidden; visibility: hidden; }
.acc_item.active .acc_cont { visibility: visible; }
@media (min-width: 1025px) { .acc_item.swiper-slide { width: auto; flex-shrink: 0; } .fields_sec .swiper_wrap, .fields_sec .acc_wrap { height: 100%; } .acc_cont { display: flex; align-items: center; justify-content: center; height: 100%; } }
.acc_item.active .acc_cont { width: 84vw; --show: 1; }
.acc_item:not(:first-child).active .acc_cont { border-left: 1px solid rgba(255, 255, 255, 0.8); }
.info_wrap { flex: none; width: calc(var(--u) * 964); padding: calc(var(--u) * 120) calc(var(--u) * 40); }
.info_wrap > h2 { color: #fff; margin-bottom: calc(var(--u) * 40); }
.glass { position: relative; padding: calc(var(--u) * 34) calc(var(--u) * 40); border-radius: calc(var(--u) * 12); isolation: isolate; color: #fff; box-shadow: calc(var(--u) * 12) calc(var(--u) * 12) calc(var(--u) * 20) 0 rgba(0, 0, 0, calc(0.1 * var(--reveal) * var(--show))); }
.glass::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: rgba(255, 255, 255, 0.3); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); z-index: -1; }
.glass .g_tit { display: flex; align-items: center; justify-content: space-between; gap: calc(var(--u) * 20); padding-bottom: calc(var(--u) * 32); border-bottom: 1px solid #fff; }
.glass .g_tit > div { display: flex; align-items: baseline; gap: calc(var(--u) * 40); }
.glass .g_tit h3 { font-size: calc(var(--u) * 32); color: #fff; }
.glass .g_tit .txt { font-size: calc(var(--u) * 17); font-weight: 500; }
.glass .btn { height: calc(var(--u) * 42); min-width: calc(var(--u) * 100); font-size: calc(var(--u) * 14); }
.figs { display: flex; padding-top: calc(var(--u) * 30); margin-bottom: calc(var(--u) * 24); }
.figs dt { display: flex; align-items: center; justify-content: center; height: calc(var(--u) * 120); margin-bottom: calc(var(--u) * 13); }
.figs li { width: 33.33%; text-align: center; }
.figs li + li { border-left: 1px solid #fff; }
.figs .num { display: inline-flex; align-items: baseline; font-size: calc(var(--u) * 60); font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; }
.figs .unit { margin-left: 4px; font-size: calc(var(--u) * 26); font-weight: 600; }
.figs dd { font-size: calc(var(--u) * 18); font-weight: 600; line-height: 1.6; }
.figs .prod { display: block; margin-top: calc(var(--u) * 6); font-size: calc(var(--u) * 13); font-weight: 600; letter-spacing: 0.06em; opacity: 0.8; }
.fields_sec .swiper-pagination { display: none; }
/* 유리 상자 흐림(backdrop-filter)은 조상의 opacity가 1보다 작으면 꺼졌다가 1이 되는 순간 켜짐 → 상자만 갑자기 나타나 보였음.
   그래서 사업분야는 감싼 틀은 위로만 올리고, 투명도는 --reveal(스크롤 등장)과 --show(아코디언 펼침)로 안쪽 요소마다 줌 */
@property --reveal { syntax: '<number>'; inherits: true; initial-value: 1; }
@property --show { syntax: '<number>'; inherits: true; initial-value: 1; }
/* 올라오는 동안 transform 때문에 틀이 새 쌓임 맥락이 되어 배경 사진(z-index 1) 밑에 깔리지 않도록 틀 자체를 배경 위에 둠 */
.fields_sec .swiper_wrap { position: relative; z-index: 2; }
.js .fields_sec .swiper_wrap[data-motion] { opacity: 1; --reveal: 0; transition: transform 0.8s, --reveal 0.8s; }
.js .fields_sec .swiper_wrap[data-motion].is_animated { --reveal: 1; }
.fields_sec .mobile_h, .acc_tit, .fields_sec .swiper-pagination { opacity: var(--reveal); }
.fields_sec .swiper-pagination { transition: none; }  /* swiper 기본 opacity 전환(0.3초) 때문에 점만 늦게 따라 나타나지 않도록 */
.info_wrap > h2, .glass > *, .glass::before { opacity: calc(var(--reveal) * var(--show)); }

/* ---------- 대표 참여 프로젝트 (보도자료 자리) ---------- */
.media { padding: calc(var(--u) * 120) 0 calc(var(--u) * 120); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--u) * 36); }
.cards a { position: relative; isolation: isolate; overflow: hidden; display: flex; flex-direction: column; min-height: calc(var(--u) * 413); padding: calc(var(--u) * 64) calc(var(--u) * 40) calc(var(--u) * 40); border-radius: calc(var(--u) * 12); background: #f2f2f2; }
/* 레퍼런스: 마우스를 올리면 그라데이션이 서서히 깔리고 글자가 모두 흰색 */
.cards a::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--navy), var(--brand)); opacity: 0; transition: opacity 0.3s; }
@media (min-width: 1025px) and (pointer: fine) { .cards a:hover::before { opacity: 1; } .cards a:hover .tit, .cards a:hover .txt, .cards a:hover .date { color: #fff; } .cards a:hover .tag { background: #fff; color: var(--navy); } }
.cards .tag.empty { visibility: hidden; }
.cards .tag { transition: background 0.3s, color 0.3s; align-self: flex-start; padding: calc(var(--u) * 4) calc(var(--u) * 12); border-radius: 999px; background: var(--navy); color: #fff; font-size: calc(var(--u) * 13); font-weight: 700; margin-bottom: calc(var(--u) * 20); }
.cards .tit { font-size: calc(var(--u) * 24); font-weight: 700; line-height: 1.45; transition: color 0.3s; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.cards .txt { margin-top: calc(var(--u) * 16); font-size: calc(var(--u) * 18); font-weight: 500; color: #434343; line-height: 1.7; flex: 1; transition: color 0.3s; }
.cards .date { margin-top: calc(var(--u) * 24); font-size: calc(var(--u) * 16); font-weight: 500; color: var(--gray); transition: color 0.3s; }

/* ---------- 하위 페이지 공통 ---------- */
.sub_top { padding: calc(var(--header-h) + var(--u) * 80) var(--side) calc(var(--u) * 60); text-align: center; }
.sub_top h2 { font-size: calc(var(--u) * 56); }
.crumb { display: flex; justify-content: center; align-items: center; gap: calc(var(--u) * 8); margin-top: calc(var(--u) * 16); font-size: calc(var(--u) * 14); color: var(--gray); }
.crumb svg { width: calc(var(--u) * 16); height: calc(var(--u) * 16); }
.crumb .sep { color: var(--gray-2); }
.crumb a:hover { color: var(--brand); }
.visual_wrap { padding: 0 var(--side); }
.visual_wrap .frame { position: relative; height: calc(var(--u) * 360); border-radius: calc(var(--u) * 12); overflow: hidden; background: var(--img-bg); }
.visual_wrap .frame .bg { position: absolute; left: 0; right: 0; top: 0; height: 200%; }
.visual_wrap .frame.contain { max-width: calc(var(--u) * 1200); margin: 0 auto; height: calc(var(--u) * 560); }  /* 제품 구성도 칸은 그림이 작아지지 않게 그대로 */
.visual_wrap .frame .bg img { width: 100%; height: 100%; object-fit: cover; }
.visual_wrap .frame.contain .bg { top: 0; height: 100%; padding: calc(var(--u) * 40); }
.visual_wrap .frame.contain .bg img, .visual_wrap .frame.contain .bg svg { object-fit: contain; width: 100%; height: 100%; }
.sec { padding: calc(var(--u) * 140) var(--side) 0; }
.sec:last-of-type { padding-bottom: calc(var(--u) * 140); }
.sec_head { text-align: center; margin-bottom: calc(var(--u) * 60); }
.sec_head .eng { display: block; margin-bottom: calc(var(--u) * 12); font-size: calc(var(--u) * 15); font-weight: 700; letter-spacing: 0.12em; color: var(--brand); }
.sec_head h2 { font-size: calc(var(--u) * 44); }
.sec_head p { margin-top: calc(var(--u) * 16); font-size: calc(var(--u) * 18); color: var(--gray); }
.lead_txt { max-width: calc(var(--u) * 960); margin: 0 auto; text-align: center; font-size: calc(var(--u) * 30); font-weight: 600; line-height: 1.6; }
.lead_txt b { color: var(--brand); }
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: calc(var(--u) * 20); max-width: calc(var(--u) * 1200); margin: 0 auto; }
.points li { padding: calc(var(--u) * 48) calc(var(--u) * 40); border-radius: calc(var(--u) * 12); background: var(--bg-gray); }
.points .no { font-size: calc(var(--u) * 15); font-weight: 700; color: var(--brand); letter-spacing: 0.08em; }
.points h3 { margin-top: calc(var(--u) * 20); font-size: calc(var(--u) * 26); }
.points p { margin-top: calc(var(--u) * 12); font-size: calc(var(--u) * 17); color: var(--gray); line-height: 1.7; }
.flist { max-width: calc(var(--u) * 1200); margin: 0 auto; border-top: 2px solid var(--ink); counter-reset: f; }
.flist li { counter-increment: f; display: flex; gap: calc(var(--u) * 40); padding: calc(var(--u) * 32) calc(var(--u) * 20); border-bottom: 1px solid var(--line); font-size: calc(var(--u) * 20); font-weight: 600; }
.flist li::before { content: counter(f, decimal-leading-zero); color: var(--brand); font-weight: 700; }
.diagrams { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; gap: calc(var(--u) * 40); }
.diagram { border-radius: calc(var(--u) * 12); overflow: hidden; background: var(--img-bg); }
.diagram img { width: 100%; height: auto; }
.diagram figcaption { display: flex; justify-content: space-between; align-items: center; padding: calc(var(--u) * 20) calc(var(--u) * 28); background: #fff; border: 1px solid #eee; border-top: 0; border-radius: 0 0 calc(var(--u) * 12) calc(var(--u) * 12); font-weight: 600; font-size: calc(var(--u) * 17); }
.diagram figcaption a { font-size: calc(var(--u) * 14); color: var(--brand); }
.note_box { max-width: calc(var(--u) * 1200); margin: 0 auto; padding: calc(var(--u) * 40); border-radius: calc(var(--u) * 12); background: var(--navy); color: #d5deea; display: flex; gap: calc(var(--u) * 24); align-items: center; }
.note_box b { color: #fff; font-size: calc(var(--u) * 20); }
.common_banner { margin: calc(var(--u) * 140) var(--side) 0; }
.common_banner a { position: relative; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; max-width: calc(var(--u) * 1200); margin: 0 auto; height: calc(var(--u) * 240); padding: calc(var(--u) * 40); border-radius: calc(var(--u) * 6); overflow: hidden; color: #fff; isolation: isolate; }
.common_banner .bg { position: absolute; inset: 0; z-index: -1; background: linear-gradient(110deg, var(--navy) 10%, var(--brand) 100%); transition: transform 0.5s ease; }
/* 레퍼런스: 마우스를 올리면 배경이 커지고 어두운 덮개가 서서히 깔림 */
.common_banner a::after { content: ""; position: absolute; inset: 0; z-index: -1; background: rgba(0, 0, 0, 0.2); opacity: 0; transition: opacity 0.5s ease; }
@media (hover: hover) { .common_banner a:hover .bg { transform: scale(1.05); } .common_banner a:hover::after { opacity: 1; } }
.common_banner strong { display: block; font-size: calc(var(--u) * 28); }
.common_banner span.s { display: block; margin-top: calc(var(--u) * 8); font-size: calc(var(--u) * 20); font-weight: 500; }
.common_banner .circle { display: grid; place-items: center; margin-top: calc(var(--u) * 16); width: calc(var(--u) * 44); height: calc(var(--u) * 44); border-radius: calc(var(--u) * 6); border: 1px solid #fff; }
.common_banner .circle .arr { margin-left: 0; }
.prod_grid { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: calc(var(--u) * 40) calc(var(--u) * 20); }
.prod_grid a { display: block; }
.prod_grid .thumb { aspect-ratio: 16 / 10; border-radius: calc(var(--u) * 12); overflow: hidden; background: var(--img-bg); display: grid; place-items: center; padding: calc(var(--u) * 24); }
.prod_grid .thumb img, .prod_grid .thumb svg { width: 100%; height: 100%; object-fit: contain; transition: transform 0.6s ease; }
@media (hover: hover) { .prod_grid a:hover .thumb img, .prod_grid a:hover .thumb svg { transform: scale(1.05); } .prod_grid a:hover h3 { color: var(--brand); } }
.prod_grid .meta { display: flex; justify-content: space-between; align-items: flex-end; margin-top: calc(var(--u) * 24); }
.prod_grid .cat { font-size: calc(var(--u) * 15); color: var(--brand); font-weight: 700; }
.prod_grid h3 { font-size: calc(var(--u) * 30); transition: color 0.3s; }
.prod_grid p { margin-top: calc(var(--u) * 8); font-size: calc(var(--u) * 17); color: var(--gray); }
.prod_nav { max-width: calc(var(--u) * 1200); margin: 0 auto calc(var(--u) * 20); display: flex; flex-wrap: wrap; justify-content: center; gap: calc(var(--u) * 8); }
.prod_nav a { padding: calc(var(--u) * 10) calc(var(--u) * 20); border-radius: 999px; border: 1px solid var(--line); font-size: calc(var(--u) * 15); font-weight: 600; transition: all 0.3s; }
.prod_nav a:hover { border-color: var(--ink); }
.prod_nav a[aria-current="page"] { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 회사소개 첫 구간: 스크롤하면 이미지 카드가 화면 가득 커짐 */
.intro { position: relative; }
.intro .pin { position: relative; height: 100vh; overflow: hidden; }
.intro .top_cont { position: absolute; left: 0; right: 0; top: calc(var(--u) * 160); text-align: center; z-index: 1; }
.intro .top_cont h2 { font-size: calc(var(--u) * 56); }
.intro .card { position: absolute; left: 50%; bottom: 0; width: 62vw; height: calc(100vh - var(--u) * 340); transform: translateX(-50%); border-radius: calc(var(--u) * 12) calc(var(--u) * 12) 0 0; overflow: hidden; z-index: 2; transition: width 0.4s ease-in-out, height 0.4s ease-in-out, border-radius 0.4s ease-in-out; }
/* 레퍼런스: 스크롤이 지점을 넘으면 0.4초 동안 화면 가득 커짐 */
.intro .pin .card.on { width: 100vw; height: 100vh; border-radius: 0; }
.intro .card img { width: 100%; height: 100%; object-fit: cover; filter: brightness(1.3); }
.intro .card .dim { position: absolute; inset: 0; background: rgba(10, 26, 51, 0.55); opacity: 0; }
.intro .card .txt { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; font-size: calc(var(--u) * 48); font-weight: 700; line-height: 1.45; opacity: 0; }
.intro .slogan { position: absolute; inset: 0; z-index: 3; display: grid; place-items: center; background: #fff; transform: translateY(100%); }
.intro .slogan .photo { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform: translate(-50%, -50%); overflow: hidden; border-radius: calc(var(--u) * 12); }
.intro .slogan .photo img { position: absolute; left: 50%; top: 50%; width: 100vw; height: 100vh; max-width: none; transform: translate(-50%, -50%); object-fit: cover; filter: brightness(0.6); }
.intro .slogan p { position: relative; text-align: center; font-size: calc(var(--u) * 52); font-weight: 700; line-height: 1.45; }
.intro .slogan b { color: var(--brand); }

.story_grid { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: calc(var(--u) * 80); }
.story_grid h3 { font-size: calc(var(--u) * 40); line-height: 1.35; }
.story_grid p + p { margin-top: calc(var(--u) * 20); }
.story_grid p { font-size: calc(var(--u) * 18); color: var(--text); line-height: 1.8; }
.steps { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--u) * 20); }
.steps li { position: relative; padding: calc(var(--u) * 40) calc(var(--u) * 32) calc(var(--u) * 48); border-radius: calc(var(--u) * 12); background: var(--bg-gray); }
.steps .no { font-size: calc(var(--u) * 48); font-weight: 700; color: #d5dbe2; line-height: 1; }
.steps h3 { margin-top: calc(var(--u) * 24); font-size: calc(var(--u) * 24); }
.steps p { margin-top: calc(var(--u) * 10); font-size: calc(var(--u) * 16); color: var(--gray); line-height: 1.7; }
.leader { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; grid-template-columns: 5fr 7fr; gap: calc(var(--u) * 80); }
.leader .name { font-size: calc(var(--u) * 56); font-weight: 700; }
.leader .role { font-size: calc(var(--u) * 16); font-weight: 700; color: var(--brand); }
.leader .intro_txt { margin-top: calc(var(--u) * 24); font-size: calc(var(--u) * 19); line-height: 1.75; color: var(--text); }
.creds { margin-top: calc(var(--u) * 32); display: grid; gap: calc(var(--u) * 10); }
.creds li { display: flex; align-items: center; justify-content: space-between; padding: calc(var(--u) * 18) calc(var(--u) * 24); border-radius: calc(var(--u) * 12); background: var(--bg-gray); font-weight: 700; font-size: calc(var(--u) * 17); }
.creds li span { font-size: calc(var(--u) * 13); font-weight: 500; color: var(--gray); }
.timeline { border-top: 2px solid var(--ink); }
.timeline li { display: grid; grid-template-columns: calc(var(--u) * 120) 1fr; gap: calc(var(--u) * 20); padding: calc(var(--u) * 26) 0; border-bottom: 1px solid var(--line); }
.timeline .yr { color: var(--brand); font-weight: 700; font-size: calc(var(--u) * 16); }
.timeline b { display: block; font-size: calc(var(--u) * 19); }
.timeline .meta { display: flex; gap: calc(var(--u) * 8); align-items: center; margin-top: calc(var(--u) * 6); font-size: calc(var(--u) * 15); color: var(--gray); }
.timeline .tag { padding: 1px calc(var(--u) * 10); border-radius: 999px; background: var(--navy); color: #fff; font-size: calc(var(--u) * 12); font-weight: 700; }
.timeline_note { margin-top: calc(var(--u) * 16); font-size: calc(var(--u) * 14); color: var(--gray); }
.info_table { max-width: calc(var(--u) * 1200); margin: 0 auto; width: 100%; border-collapse: collapse; border-top: 2px solid var(--ink); }
.info_table th, .info_table td { padding: calc(var(--u) * 22) calc(var(--u) * 20); border-bottom: 1px solid var(--line); text-align: left; font-size: calc(var(--u) * 17); }
.info_table th { width: calc(var(--u) * 220); background: #fafafa; color: var(--gray); font-weight: 600; }
.info_table a { color: var(--brand); }

.channels { max-width: calc(var(--u) * 1200); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: calc(var(--u) * 20); }
.channels li { display: flex; }
.channels a { flex: 1; display: flex; flex-direction: column; min-height: calc(var(--u) * 300); padding: calc(var(--u) * 40) calc(var(--u) * 32); border-radius: calc(var(--u) * 12); background: var(--bg-gray); transition: background 0.3s, box-shadow 0.3s; }
@media (hover: hover) { .channels a:hover { background: #fff; box-shadow: 0 16px 40px -20px rgba(16, 38, 74, 0.35); } .channels a:hover h3 { color: var(--brand); } }
.channels .ico { display: grid; place-items: center; width: calc(var(--u) * 56); height: calc(var(--u) * 56); border-radius: 50%; background: var(--navy); color: #fff; }
.channels .ico svg { width: 45%; height: 45%; }
.channels .ico.img { background: #eef3f6; }
.channels .ico.img img { width: 72%; height: 72%; object-fit: contain; }
.channels .label { margin-top: calc(var(--u) * 32); font-size: calc(var(--u) * 13); font-weight: 700; letter-spacing: 0.12em; color: var(--gray-2); }
.channels h3 { margin-top: calc(var(--u) * 6); font-size: calc(var(--u) * 24); transition: color 0.3s; }
.channels p { margin-top: calc(var(--u) * 10); font-size: calc(var(--u) * 15); color: var(--gray); flex: 1; }
.channels .go { display: flex; align-items: center; margin-top: calc(var(--u) * 20); font-size: calc(var(--u) * 15); font-weight: 700; }
.visit { max-width: calc(var(--u) * 1200); margin: calc(var(--u) * 20) auto 0; display: flex; justify-content: space-between; align-items: center; gap: calc(var(--u) * 20); padding: calc(var(--u) * 48); border-radius: calc(var(--u) * 12); background: var(--navy); color: #d5deea; }
.visit h3 { color: #fff; }
.visit p { margin-top: calc(var(--u) * 10); font-size: calc(var(--u) * 18); }

/* ---------- 바닥글 ---------- */
.footer { background: var(--navy-deep); color: #9aa8bb; }
.footer .top { padding: calc(var(--u) * 80) var(--side); }
.footer .smap { display: flex; justify-content: space-between; gap: calc(var(--u) * 80); max-width: calc(var(--u) * 1200); margin: 0 auto; }
.footer .smap h4 { color: #fff; font-size: calc(var(--u) * 18); font-weight: 500; margin-bottom: calc(var(--u) * 32); }
.footer .smap li a { display: block; padding: calc(var(--u) * 6) 0; font-size: calc(var(--u) * 16); font-weight: 500; transition: color 0.2s; }
.footer .smap li a:hover { color: #fff; }
.footer .bot { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: calc(var(--u) * 48) var(--side); }
.footer .bot_in { display: flex; align-items: center; gap: calc(var(--u) * 48); }
.footer .logo { color: #fff; }
.footer .logo rect { fill: #fff; }
.footer .logo rect:last-child { fill: var(--brand-light); }
.footer .addr { flex: 1; font-size: calc(var(--u) * 14); line-height: 1.8; }
.footer .addr .links { display: flex; margin-bottom: calc(var(--u) * 10); color: #e2e2e2; font-weight: 500; font-size: calc(var(--u) * 16); }
.footer .addr .links a { position: relative; padding: 0 calc(var(--u) * 16); }
.footer .addr .links a:first-child { padding-left: 0; color: #fff; font-weight: 700; }
.footer .addr .links a + a::before { content: ""; position: absolute; left: 0; top: 50%; width: 1px; height: calc(var(--u) * 10); background: #aaa; transform: translateY(-50%); }
.footer .addr .links a:hover { color: var(--brand-light); }
.footer .f_btns { display: flex; gap: calc(var(--u) * 10); }
.footer .f_btns a, .footer .family > button {
  display: inline-flex; align-items: center; justify-content: space-between; gap: calc(var(--u) * 16);
  height: calc(var(--u) * 52); padding: 0 calc(var(--u) * 22); border-radius: calc(var(--u) * 6);
  background: rgba(255, 255, 255, 0.08); color: #fff; font-size: calc(var(--u) * 15); font-weight: 600; transition: background 0.3s;
}
.footer .f_btns a:hover, .footer .family > button:hover { background: rgba(255, 255, 255, 0.16); }
.footer .family { position: relative; }
.footer .family > button { min-width: calc(var(--u) * 200); }
.footer .family .plus { font-size: calc(var(--u) * 22); font-weight: 300; transition: transform 0.3s; }
.footer .family.open .plus { transform: rotate(45deg); }
.footer .family ul { position: absolute; left: 0; right: 0; bottom: calc(100% + 6px); padding: calc(var(--u) * 8); border-radius: calc(var(--u) * 6); background: #fff; opacity: 0; visibility: hidden; transform: translateY(6px); transition: all 0.3s; }
.footer .family.open ul { opacity: 1; visibility: visible; transform: none; }
.footer .family li a { display: block; padding: calc(var(--u) * 10) calc(var(--u) * 12); color: var(--ink); font-size: calc(var(--u) * 14); border-radius: 4px; }
.footer .family li a:hover { background: var(--bg-gray); }

/* 빠른 메뉴: 상담·맨 위로 */
body { position: relative; }
.quick_menu { position: absolute; right: calc(var(--u) * 20); bottom: var(--footer-h, 0px); padding-bottom: calc(var(--u) * 20); z-index: 900; display: flex; flex-direction: column; gap: calc(var(--u) * 10); opacity: 0; visibility: hidden; transform: translateY(10%); transition: opacity 0.6s, transform 0.6s, visibility 0.6s; }
.quick_menu.active { opacity: 1; visibility: visible; transform: none; }
.quick_menu.fixed { position: fixed; bottom: 0; }  /* 레퍼런스: 바닥글에 닿기 전까지만 화면에 고정 */
.quick_menu a, .quick_menu button { display: grid; place-items: center; width: calc(var(--u) * 60); height: calc(var(--u) * 60); border-radius: 50%; overflow: hidden; }
.quick_menu .chat { background: linear-gradient(180deg, var(--brand-light), var(--brand)); color: #fff; }
.quick_menu .top { background: #f2f2f2; border: 1px solid #ddd; color: var(--ink); }
@keyframes upCycle { 0% { transform: translateY(0); opacity: 1; } 49% { transform: translateY(-120%); opacity: 0; } 50% { transform: translateY(120%); opacity: 0; } 100% { transform: translateY(0); opacity: 1; } }
@media (hover: hover) { .quick_menu .top:hover svg { animation: upCycle 0.6s ease; } }  /* 화살표가 위로 빠졌다가 아래에서 다시 들어옴 */
.quick_menu svg { width: 42%; height: 42%; }

/* ---------- 반응형 (레퍼런스: 1024px 이하 태블릿, 767px 이하 모바일) ---------- */
@media (max-width: 1199px) {
  .gnb, .header .util .pill { display: none; }
  .mega { display: none; }
  /* 레퍼런스: 오른쪽에서 들어오는 서랍(0.4초)과 반투명 덮개, 대메뉴를 누르면 하위 목록이 펼쳐짐 */
  .sitemap { top: 0; left: auto; right: 0; width: 48%; display: block; padding: var(--header-h) 0 40px; border-top: 0; opacity: 1; visibility: hidden; transform: translateX(100%); transition: transform 0.4s ease-in-out, visibility 0.4s; }
  .all-menu .sitemap { visibility: visible; transform: none; }
  .header.all-menu .dim { opacity: 1; visibility: visible; }
  .sitemap .grid { display: block; border-top: 1px solid #ddd; }
  .sitemap .grp { width: auto; padding: 0; border-left: 0; border-bottom: 1px solid #ddd; }
  .sitemap h4 { margin: 0; }
  .sitemap h4 a { display: block; padding: 16px; font-size: 18px; font-weight: 500; }
  .sitemap .tog { display: block; position: absolute; inset: 0; width: 100%; cursor: pointer; }
  .sitemap .tog::after { content: ""; position: absolute; right: 20px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: translateY(-70%) rotate(45deg); transition: transform 0.3s; }
  .sitemap .grp.open .tog::after { transform: translateY(-30%) rotate(-135deg); }
  .sitemap ul { display: none; overflow: hidden; background: #f2f2f2; }
  .sitemap .grp.open ul { display: block; }
  .sitemap ul li a { display: block; padding: 15px 24px; font-size: 18px; font-weight: 500; color: #434343; border-top: 1px solid #ddd; }
  .sitemap .quick { width: auto; padding: 24px 16px; }
}
@media (max-width: 1024px) {
  :root { --u: calc(100vw / 1024); --side: 24px; }
  body { font-size: 16px; }
  .js [data-motion] { transform: translateY(8%); }
  .main_visual .swiper_wrap { height: calc(100vh - 220px); }
  .main_visual .main_txt { top: auto; bottom: 25%; left: 40px; }
  .main_visual .control_wrap { top: auto; bottom: 50%; left: 40px; }
  .box_wrap { flex-direction: column; }
  .left_box, .right_box { width: 100%; height: auto; }
  .left_box { min-height: 420px; padding: 40px; }
  .right_box { flex-direction: row; }  /* 레퍼런스: 태블릿에서 두 칸을 가로로 나란히 */
  .right_box .box { min-height: 180px; padding: 20px; }
  .right_box .txt { font-size: 16px; margin-top: 6px; }
  .fields_sec { height: auto; min-height: 0; padding: 80px 0 60px; }
  .acc.swiper-wrapper { display: flex; justify-content: flex-start; }
  .acc_item { height: auto; }
  .acc_tit { display: none; }
  .acc_cont, .acc_item.active .acc_cont { width: 100%; --show: 1; visibility: visible; border: 0 !important; }
  .fields_sec .swiper-pagination { position: relative; z-index: 2; }
  .info_wrap { width: 100%; padding: 0 var(--side); }
  .info_wrap > h2 { display: none; }
  .fields_sec h2.mobile_h { display: block; position: relative; z-index: 2; color: #fff; padding: 0 var(--side); margin-bottom: 30px; font-size: 36px; }
  .fields_sec .swiper-pagination { display: block; position: static; margin-top: 24px; }
  .fields_sec .swiper-pagination-bullet { background: #fff; opacity: 0.4; }
  .fields_sec .swiper-pagination-bullet-active { opacity: 1; }
  .glass .g_tit { flex-direction: column; align-items: flex-start; }
  .glass .g_tit > div { flex-direction: column; gap: 8px; }
  .fields_sec { padding: 80px 0 112px; }
  .fields_sec h2.mobile_h { margin-bottom: 30px; }
  .fields_sec .swiper-pagination-bullet { width: 10px; height: 10px; opacity: 0.5; }
  .glass { min-height: 400px; padding: 34px 40px; }
  .glass .g_tit { padding-bottom: 24px; margin-bottom: 24px; }
  .figs { padding-top: 0; }
  .figs li { width: 33.33%; padding: 16px 20px; }
  .figs dt { height: 75px; margin-bottom: 16px; }
  .figs .num { font-size: 40px; }
  .figs .unit { font-size: 24px; }
  .figs dd { font-size: 16px; }
  /* 레퍼런스 태블릿 값: 고정 px 체계 */
  .kv_wrap h2, .business h2, .info_sec h2, .media h2, .fields_sec h2 { font-size: 36px; line-height: 1.28; }
  .business h3, .info_sec h3 { font-size: 26px; }
  .tit_wrap { margin-bottom: 32px; }
  .main_visual .main_txt h2 { font-size: 36px; line-height: 1.28; margin-bottom: 32px; }
  .glass .g_tit h3 { font-size: 26px; }
  .common_banner a { height: 225px; padding: 32px; }
  .common_banner strong { font-size: 24px; }
  .common_banner span.s { font-size: 18px; }
  .common_banner .circle { width: 40px; height: 40px; }
  .footer .bot { padding: 20px var(--side); }
  .footer .bot_in > .logo { order: 1; }
  .footer .addr { display: contents; }
  .footer .addr .links { order: 2; margin-top: 40px; margin-bottom: 0; font-size: 14px; }
  .footer .f_btns { order: 3; margin-top: 20px; }
  .footer .addr > p:last-child { align-self: stretch; order: 4; margin-top: 20px; padding-top: 20px; border-top: 1px solid rgba(255, 255, 255, 0.3); font-size: 12px; line-height: 1.33; }
  .info_sec { padding: 80px 0; }
  .media { padding: 80px 0 160px; }
  .left_box .txt { font-size: 18px; margin-top: 16px; }
  .pills { margin-top: 70px; }
  .pills a { padding: 12px 16px; font-size: 16px; }
  .loop_text { font-size: 80px; }
  .main_visual .btn, .info_sec .btn, .media .btn, .glass .btn { height: auto; min-width: 80px; padding: 8px; font-size: 12px; border-radius: 3px; }
  .cards { gap: 26px; }
  .cards a { padding: 48px 32px; }
  .cards .tit { font-size: 20px; -webkit-line-clamp: 2; }
  .cards .tag.empty { display: none; }  /* 세 칸 줄맞춤용 빈 태그는 한 칸 배치에서 빼기 */
  .cards .txt { font-size: 16px; margin-top: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: none; }
  .cards .date { font-size: 14px; margin-top: 12px; }
  .visual_wrap { padding: 0; }
  .visual_wrap .frame { border-radius: 0; height: 190px; }
  .visual_wrap .frame.contain { margin: 0 24px; border-radius: 12px; height: 420px; }
  .info_box { flex-direction: column; gap: 40px; }
  .info_box .inner, .link_box { width: 100%; }
  .info_box .inner { height: 320px; flex-direction: row; }  /* 레퍼런스: 태블릿에서도 두 칸 나란히 */
  .info_box .ibox { width: 50%; padding: 60px 40px 40px; }
  .info_box .ibox .ill { width: 80px; height: 80px; }
  .link_box { padding: 0; }
  .link_box ul { display: flex; }
  .link_box li { flex: 1; }
  .link_box li + li { border-top: 0; border-left: 1px solid var(--line); }
  .link_box a { padding: 20px 32px; font-size: 18px; }
  .cards { grid-template-columns: 1fr; }
  .cards a { min-height: 0; }
  .footer .top { display: none; }  /* 레퍼런스: 태블릿 이하에서는 바닥글 사이트맵을 숨김 */
  .footer .bot { border-top: 0; }
  .footer .bot_in { flex-direction: column; align-items: flex-start; gap: 0; }
  .footer .f_btns { flex-wrap: wrap; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .leader, .story_grid { grid-template-columns: 1fr; gap: 48px; }
  .channels { grid-template-columns: repeat(2, 1fr); }
  .intro .card { width: calc(100% - 48px); }
}
.fields_sec .mobile_h { display: none; }
@media (max-width: 767px) {
  .cards a { padding: 48px 32px 32px; }
  .cards .txt { -webkit-line-clamp: 3; }
  :root { --u: calc(100vw / 560); --header-h: 70px; --side: 16px; }
  h2 { font-size: 26px; }
  h3 { font-size: 20px; }
  .btn { height: 44px; font-size: 14px; padding: 0 20px; }
  .logo span { font-size: 18px; }
  .logo svg { width: 24px; height: 24px; }
  .btn_burger { width: 32px; height: 32px; }
  .main_visual .swiper_wrap { height: calc(100svh - var(--header-h) - 120px); min-height: 460px; }
  .main_visual .main_txt { left: 24px; right: 24px; bottom: 27%; }
  .main_visual .control_wrap { bottom: 19%; left: 50%; transform: translateX(-50%); }
  .main_visual .control_wrap .play_btn, .main_visual .bullet::after, .main_visual .bullet .progress { display: none; }
  .main_visual .bullet { width: 10px; height: 10px; border-radius: 50%; background: #fff; opacity: 0.5; transition: opacity 0.3s; }
  .main_visual .bullet.on { opacity: 1; }  /* 레퍼런스: 휴대폰에서는 막대 대신 점 */
  .main_visual .outlink { left: 24px; }
  .main_visual .outlink a { height: 50px; font-size: 15px; }
  .left_box { padding: 40px 20px; }
  .box_wrap { gap: 8px; }
  .right_box { flex-direction: column; gap: 8px; }  /* 레퍼런스: 휴대폰에서는 위아래, 칸 사이 8px */
  .loop_text { line-height: 1; }
  .info_box { gap: 16px; }
  .info_box .inner { height: auto; flex-direction: column; }
  .info_box .ibox { width: 100%; height: 210px; padding: 20px; }
  .info_box .ibox + .ibox { border-left: 0; border-top: 1px solid var(--line); }
  .info_box .ibox .ill { right: 20px; bottom: 20px; }
  .info_box .ibox .txt { font-size: 16px; }
  .link_box ul { flex-direction: column; }
  .link_box li + li { border-left: 0; border-top: 1px solid var(--line); }
  .link_box a { padding: 20px; font-size: 16px; }
  .glass { min-height: 540px; padding: 20px; }
  .glass .g_tit .txt { font-size: 15px; }
  /* 레퍼런스 휴대폰: 숫자 칸을 위아래로 쌓되 줄마다 왼쪽 숫자, 오른쪽 설명 */
  .figs { flex-direction: column; }
  .figs li { width: 100%; padding: 0; text-align: left; }
  .figs li + li { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.3); }
  .figs dl { display: flex; align-items: center; padding: 20px 0; }
  .figs dt { width: 40%; padding-right: 4%; height: 75px; margin: 0; justify-content: flex-start; }
  .figs dd { width: 56%; text-align: left; font-size: 14px; }
  .figs .num { font-size: 32px; }
  .figs .unit { font-size: 18px; }
  .sub_top { padding-top: calc(var(--header-h) + 40px); padding-bottom: 32px; }
  .sub_top h2, .intro .top_cont h2 { font-size: 32px; }
  .crumb { font-size: 13px; }
  .visual_wrap .frame, .visual_wrap .frame.contain { height: 240px; }
  .sec { padding-top: 80px; }
  .sec:last-of-type { padding-bottom: 80px; }
  .sec_head h2 { font-size: 26px; }
  .sec_head p, .points p, .steps p, .story_grid p { font-size: 15px; }
  .lead_txt { font-size: 20px; }
  .points, .steps, .channels, .prod_grid { grid-template-columns: 1fr; }
  .points li, .steps li { padding: 28px 24px; }
  .points h3, .steps h3 { font-size: 20px; }
  .flist li { font-size: 16px; gap: 16px; padding: 20px 8px; }
  .diagram figcaption { font-size: 14px; padding: 14px 16px; }
  .note_box { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .note_box b { font-size: 17px; }
  .common_banner { margin-top: 80px; }
  .common_banner a { height: 160px; padding: 20px; }
  .common_banner strong { font-size: 20px; }
  .sitemap { width: 100%; }
  .common_banner span.s { font-size: 15px; }
  .prod_grid h3 { font-size: 24px; }
  .prod_grid p { font-size: 15px; }
  .prod_nav a { font-size: 13px; padding: 8px 14px; }
  .intro .top_cont { top: calc(var(--header-h) + 40px); }
  .intro .card { width: calc(100% - 32px); height: calc(100svh - var(--header-h) - 200px); }
  .intro .card .txt { font-size: 24px; padding: 0 20px; }
  .intro .slogan p { font-size: 26px; padding: 0 20px; }
  .story_grid h3 { font-size: 26px; }
  .leader .name { font-size: 40px; }
  .leader .intro_txt { font-size: 16px; }
  .creds li { font-size: 15px; flex-direction: column; align-items: flex-start; gap: 4px; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .timeline b { font-size: 16px; }
  .info_table th { width: 104px; font-size: 14px; }
  .info_table td { font-size: 14px; }
  .channels a { min-height: 0; padding: 28px 24px; }
  .channels h3 { font-size: 20px; }
  .visit { flex-direction: column; align-items: flex-start; padding: 28px 24px; }
  .visit p { font-size: 15px; }
  .footer .top { padding: 48px 16px; }
  .footer .smap h4 { font-size: 16px; margin-bottom: 14px; }
  .footer .smap li a, .footer .addr { font-size: 13px; }
  .footer .f_btns a, .footer .family > button { height: 44px; font-size: 14px; }
  .footer .family > button { min-width: 0; }
  .quick_menu a, .quick_menu button { width: 48px; height: 48px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .js [data-motion] { opacity: 1; transform: none; }
}