@charset "UTF-8";
/* ==========================================================
   neroweb15 layout.css
   공통 토큰 · 기본 · 헤더 · 메뉴 · 서브 공통 · 푸터
   기준 : 사이트 메뉴구성·원고게시판 디자인 정의서 4장 (글자 크기는 정의서 값 + 2px)
   ========================================================== */

:root {
  /* 색상 (정의서 4.6) */
  --n15-primary: #0B1F33;
  --n15-accent: #1E8A70;
  --n15-accent-d: #166a56;
  --n15-accent-l: #e8f4f0;
  --n15-strong: #111827;
  --n15-text: #374151;
  --n15-muted: #6B7280;
  --n15-line: #E5E7EB;
  --n15-surface: #F7F9FA;
  --n15-white: #FFFFFF;
  --n15-error: #C62828;
  --n15-success: #18794E;
  /* 규격 (정의서 4.7) */
  --n15-hd-h: 88px;
  --n15-gutter: 40px;
  --n15-max: 1400px;
  --n15-gap: 24px;
  --n15-radius: 12px;
  /* 폰트 (정의서 4.4 : 영문도 같은 글꼴) */
  --n15-font: "Pretendard", -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  --n15-ease: cubic-bezier(.22, .61, .36, 1);
}

/* 기본 (요소 선택자만 사용 : 아래 클래스 스타일이 항상 우선하도록) */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body.n15 { margin: 0; font-family: var(--n15-font); font-size: 18px; line-height: 1.75; letter-spacing: -0.01em; color: var(--n15-text); background: var(--n15-white); word-break: keep-all; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
p { word-break: keep-all; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; vertical-align: top; border: 0; }
button { font-family: inherit; cursor: pointer; background: none; border: 0; color: inherit; padding: 0; }
input, select, textarea { font-family: inherit; font-size: 18px; }
body.n15 :focus-visible { outline: 2px solid var(--n15-accent); outline-offset: 2px; }
body.n15-lock { overflow: hidden; }
.sound_only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.n15-skip { position: absolute; left: 16px; top: -60px; z-index: 2000; padding: 10px 16px; background: var(--n15-accent); color: #fff; border-radius: 6px; transition: top .2s; }
.n15-skip:focus { top: 12px; }

.n15-wrapall { overflow-x: clip; }
.n15-wrap { width: 100%; max-width: calc(var(--n15-max) + var(--n15-gutter) * 2); margin: 0 auto; padding: 0 var(--n15-gutter); }
.n15-container { display: block; min-height: 50vh; }
.n15-center { text-align: center; }
.n15-mb8 { margin-bottom: 8px; }
.n15-pc { display: inline; }

/* 버튼 (Button 17px / 600 / 높이 48) */
.n15-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 48px; min-height: 48px; padding: 0 24px; border-radius: 48px; font-size: 17px; font-weight: 600; line-height: 1; letter-spacing: -0.01em; border: 1px solid transparent; transition: background .25s, color .25s, border-color .25s; white-space: nowrap; }
.n15-btn--point { background: var(--n15-accent); color: #fff; }
.n15-btn--point:hover { background: var(--n15-accent-d); }
.n15-btn--line { border-color: var(--n15-line); color: var(--n15-strong); background: #fff; }
.n15-btn--line:hover { border-color: var(--n15-strong); }
.n15-btn--line-w { border-color: rgba(255, 255, 255, .6); color: #fff; }
.n15-btn--line-w:hover { background: #fff; color: var(--n15-primary); }
.n15-btn--sm { height: 44px; min-height: 44px; padding: 0 18px; font-size: 16px; }
.n15-btn i { font-size: .9em; line-height: 1; }
.n15-btn[disabled] { opacity: .55; cursor: default; }
.n15-more { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 17px; font-weight: 600; color: var(--n15-strong); }
.n15-more i { transition: transform .25s; }
.n15-more:hover i { transform: translateX(4px); }

/* 라벨 (Caption 14px / 500) · 상태 (색 + 글자 + 점 아이콘을 함께 사용) */
.n15-label { display: inline-block; padding: 4px 10px; border-radius: 4px; background: var(--n15-accent-l); color: var(--n15-accent-d); font-size: 14px; font-weight: 500; line-height: 1.4; }
.n15-label--line { background: none; border: 1px solid var(--n15-line); color: var(--n15-muted); }
.n15-label--pin { background: var(--n15-primary); color: #fff; }
.n15-st { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 20px; font-size: 14px; font-weight: 600; line-height: 1.4; border: 1px solid currentColor; background: #fff; }
.n15-st::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.n15-st--draft { color: #4B5563; }
.n15-st--review { color: #9A5B00; }
.n15-st--reviewing { color: #1D4ED8; }
.n15-st--revise { color: var(--n15-error); }
.n15-st--scheduled { color: #6D28D9; }
.n15-st--publish { color: var(--n15-success); }
.n15-st--private { color: #374151; }
.n15-st--archive { color: var(--n15-muted); }
.n15-st--main { color: var(--n15-primary); }

/* ---------- 헤더 (높이 88 / 모바일 64) ---------- */
.n15-hd { position: fixed; left: 0; top: 0; right: 0; z-index: 900; color: #fff; transition: background .3s, box-shadow .3s; }
.n15-hd__bar { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--n15-hd-h); }
.n15-hd__logo { flex: 0 0 auto; }
.n15-hd__logo img { width: 140px; }
.n15-hd.is-scrolled, .n15-hd.is-gnb { background: var(--n15-primary); box-shadow: 0 6px 20px rgba(0, 0, 0, .12); }

.n15-gnb { flex: 1 1 auto; align-self: stretch; display: flex; justify-content: center; }
.n15-gnb__list { display: flex; height: 100%; }
.n15-gnb__item { position: relative; }
.n15-gnb__link { position: relative; display: flex; align-items: center; justify-content: center; gap: 6px; height: var(--n15-hd-h); padding: 0 16px; font-size: 17px; font-weight: 600; line-height: 1; letter-spacing: 0; white-space: nowrap; }
.n15-gnb__en-label { font-weight: 600; opacity: .7; }
.n15-gnb__link::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 3px; background: var(--n15-accent); transform: translateX(-50%); transition: width .3s var(--n15-ease); }
.n15-gnb__item:hover .n15-gnb__link::after, .n15-gnb__item.is-on .n15-gnb__link::after { width: 32px; }
.n15-gnb__sub { display: none; position: absolute; left: 50%; top: 100%; min-width: 100%; width: max-content; padding: 20px 0 24px; transform: translateX(-50%); text-align: center; }
.n15-hd.is-gnb .n15-gnb__sub { display: block; }
.n15-gnb__sub li a { display: block; padding: 7px 8px; font-size: 17px; line-height: 1.5; color: rgba(255, 255, 255, .72); transition: color .2s; }
.n15-gnb__sub li a:hover, .n15-gnb__sub li a.is-on { color: #fff; }
.n15-gnb__bg { position: absolute; left: 0; right: 0; top: var(--n15-hd-h); height: 0; background: var(--n15-primary); border-top: 1px solid rgba(255, 255, 255, .1); transition: height .3s var(--n15-ease); }
.n15-hd.is-gnb .n15-gnb__bg { height: 240px; box-shadow: 0 16px 30px rgba(0, 0, 0, .15); }

.n15-hd__util { flex: 0 0 auto; display: flex; align-items: center; gap: 12px; }
.n15-hd__icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; font-size: 19px; transition: background .2s; }
.n15-hd__icon:hover { background: rgba(255, 255, 255, .12); }
.n15-hd__member { display: flex; gap: 14px; font-size: 16px; color: rgba(255, 255, 255, .8); }
.n15-hd__member a:hover { color: #fff; }
.n15-hd__cta { display: inline-flex; align-items: center; min-height: 44px; padding: 0 20px; border-radius: 44px; background: var(--n15-accent); font-size: 17px; font-weight: 600; color: #fff; transition: background .2s; }
.n15-hd__cta:hover { background: var(--n15-accent-d); }
.n15-hd__burger { display: none; flex-direction: column; gap: 5px; }
.n15-hd__burger span { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px; }

/* 검색 */
.n15-search { position: fixed; left: 0; right: 0; top: 0; z-index: 950; background: var(--n15-primary); padding: 24px 0; transform: translateY(-100%); transition: transform .35s var(--n15-ease); box-shadow: 0 16px 30px rgba(0, 0, 0, .2); }
.n15-search.is-open { transform: translateY(0); }
.n15-search__box { display: flex; align-items: center; gap: 16px; }
.n15-search__form { flex: 1; display: flex; border-bottom: 2px solid rgba(255, 255, 255, .4); }
.n15-search__form input { flex: 1; height: 56px; border: 0; background: none; color: #fff; font-size: 22px; }
.n15-search__form input::placeholder { color: rgba(255, 255, 255, .55); }
.n15-search__form input:focus { outline: none; }
.n15-search__form button, .n15-search__close { width: 48px; height: 48px; font-size: 22px; color: #fff; }

/* 전체 메뉴 (모바일은 한글 메뉴 18px) */
.n15-drawer { position: fixed; inset: 0; z-index: 1000; visibility: hidden; }
.n15-drawer.is-open { visibility: visible; }
.n15-drawer__dim { position: absolute; inset: 0; background: rgba(5, 15, 30, .55); opacity: 0; transition: opacity .3s; }
.n15-drawer.is-open .n15-drawer__dim { opacity: 1; }
.n15-drawer__panel { position: absolute; right: 0; top: 0; bottom: 0; z-index: 2; width: min(420px, 88vw); background: #fff; padding: 0 20px 32px; overflow-y: auto; transform: translateX(100%); transition: transform .35s var(--n15-ease); color: var(--n15-strong); }
.n15-drawer.is-open .n15-drawer__panel { transform: translateX(0); }
.n15-drawer__top { display: flex; align-items: center; justify-content: space-between; height: 64px; border-bottom: 1px solid var(--n15-line); }
.n15-drawer__logo img { width: 120px; }
.n15-drawer__close { width: 44px; height: 44px; font-size: 24px; }
.n15-drawer__member { display: flex; gap: 16px; padding: 14px 0; font-size: 16px; color: var(--n15-muted); }
.n15-drawer__member a { display: inline-flex; align-items: center; min-height: 44px; }
.n15-drawer__item { border-bottom: 1px solid var(--n15-line); }
.n15-drawer__dep1 { display: flex; align-items: center; justify-content: space-between; width: 100%; min-height: 56px; font-size: 18px; font-weight: 600; line-height: 1; text-align: left; }
.n15-drawer__dep1 i { font-size: 15px; transition: transform .25s; }
.n15-drawer__item.is-open .n15-drawer__dep1 i { transform: rotate(180deg); }
.n15-drawer__dep2 { display: none; padding: 0 0 14px; }
.n15-drawer__item.is-open .n15-drawer__dep2 { display: block; }
.n15-drawer__dep2 a { display: flex; align-items: center; min-height: 44px; padding: 0 12px; font-size: 18px; color: var(--n15-text); border-radius: 6px; }
.n15-drawer__dep2 a.is-on { background: var(--n15-accent-l); color: var(--n15-accent-d); font-weight: 600; }
.n15-drawer__cta { width: 100%; margin-top: 24px; }

/* ---------- 서브 공통 : 서브 비주얼(280 / 180) → 현재 위치 → 제목·설명 ---------- */
.n15-svisual { position: relative; display: flex; align-items: flex-end; height: calc(var(--n15-hd-h) + 280px); color: #fff; overflow: hidden; background: var(--n15-primary); }
.n15-svisual__bg { position: absolute; inset: 0; }
.n15-svisual__bg img { width: 100%; height: 100%; object-fit: cover; animation: n15Zoom 8s var(--n15-ease) both; }
.n15-svisual__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11, 31, 51, .55) 0%, rgba(11, 31, 51, .82) 100%); }
.n15-svisual__txt { position: relative; z-index: 1; padding-bottom: 40px; }
.n15-svisual__tit { margin-top: 12px; font-size: 50px; font-weight: 700; line-height: 1.25; letter-spacing: -0.03em; color: #fff; }
.n15-svisual__desc { margin-top: 10px; font-size: 22px; line-height: 1.7; letter-spacing: -0.015em; color: rgba(255, 255, 255, .82); }
@keyframes n15Zoom { from { transform: scale(1.08); } to { transform: scale(1); } }

/* 현재 위치 (Body Small 16) */
.n15-path__list { display: flex; flex-wrap: wrap; align-items: center; font-size: 16px; line-height: 1.5; color: rgba(255, 255, 255, .8); }
.n15-path__home a { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; }
.n15-path__dep { position: relative; display: flex; align-items: center; }
.n15-path__dep::before { content: "/"; margin: 0 6px 0 2px; opacity: .5; }
.n15-lnb__btn { display: inline-flex; align-items: center; gap: 8px; min-height: 32px; padding: 0 4px; font-size: 16px; color: inherit; }
.n15-lnb__btn i { font-size: 12px; opacity: .8; transition: transform .2s; }
.n15-lnb__dep.is-open .n15-lnb__btn i { transform: rotate(180deg); }
.n15-lnb__drop { display: none; position: absolute; left: 10px; top: 100%; z-index: 30; min-width: 180px; padding: 8px 0; background: #fff; border: 1px solid var(--n15-line); border-radius: 8px; box-shadow: 0 14px 30px rgba(11, 31, 51, .15); }
.n15-lnb__dep.is-open .n15-lnb__drop { display: block; }
.n15-lnb__drop a { display: flex; align-items: center; min-height: 40px; padding: 0 18px; font-size: 17px; color: var(--n15-text); }
.n15-lnb__drop a:hover, .n15-lnb__drop a.is-on { color: var(--n15-accent-d); background: var(--n15-surface); }

/* 2차 메뉴 탭 (높이 52 / 48, 활성 = 색 + 하단 보더) */
.n15-tabs { position: sticky; top: var(--n15-hd-h); z-index: 50; border-bottom: 1px solid var(--n15-line); background: #fff; }
.n15-tabs__list { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; }
.n15-tabs__list::-webkit-scrollbar { display: none; }
.n15-tabs__list a { position: relative; display: flex; align-items: center; height: 52px; padding: 0 16px; font-size: 17px; font-weight: 600; color: var(--n15-muted); white-space: nowrap; }
.n15-tabs__list a:hover { color: var(--n15-strong); }
.n15-tabs__list a.is-on { color: var(--n15-accent); }
.n15-tabs__list a.is-on::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: -1px; height: 2px; background: var(--n15-accent); }
.n15-subgap { height: 80px; }

/* 서브 하단 문의 CTA */
.n15-scta { margin-top: 120px; background: var(--n15-primary); color: #fff; }
.n15-scta__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-top: 56px; padding-bottom: 56px; }
.n15-scta__en { font-size: 14px; font-weight: 600; letter-spacing: .12em; color: #7fd3bd; }
.n15-scta__tit { margin-top: 6px; font-size: 30px; font-weight: 700; line-height: 1.3; letter-spacing: -0.025em; color: #fff; }
.n15-scta__desc { margin-top: 6px; font-size: 18px; color: rgba(255, 255, 255, .72); }
.n15-scta__btns { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- 푸터 (Footer 15 / 14, 행간 1.6) ---------- */
.n15-ft { background: #07131f; color: rgba(255, 255, 255, .62); font-size: 15px; line-height: 1.6; letter-spacing: 0; }
.n15-ft__top { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-top: 20px; padding-bottom: 20px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.n15-ft__links { display: flex; flex-wrap: wrap; gap: 4px 24px; }
.n15-ft__links a { display: inline-flex; align-items: center; min-height: 32px; color: rgba(255, 255, 255, .78); }
.n15-ft__links a:hover { color: #fff; }
.n15-ft__links b { color: #fff; font-weight: 700; }
.n15-ft__family select { height: 44px; min-width: 180px; padding: 0 14px; border: 1px solid rgba(255, 255, 255, .2); border-radius: 6px; background: transparent; color: rgba(255, 255, 255, .8); font-size: 15px; }
.n15-ft__family option { color: #111; }
.n15-ft__body { padding-top: 36px; padding-bottom: 44px; }
.n15-ft__logo img { width: 120px; opacity: .9; }
.n15-ft__info { margin-top: 18px; font-style: normal; }
.n15-ft__info span { display: inline-block; margin-right: 18px; }
.n15-ft__copy { margin-top: 16px; font-size: 14px; color: rgba(255, 255, 255, .42); }

.n15-top { position: fixed; right: 24px; bottom: 24px; z-index: 800; width: 48px; height: 48px; border-radius: 50%; background: var(--n15-accent); color: #fff; font-size: 18px; box-shadow: 0 8px 20px rgba(30, 138, 112, .35); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s; }
.n15-top.is-show { opacity: 1; visibility: visible; transform: none; }

/* 등장 효과 */
.n15-reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--n15-ease), transform .8s var(--n15-ease); }
.n15-reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .n15-reveal { opacity: 1; transform: none; transition: none; }
  .n15-svisual__bg img { animation: none; }
}

/* ---------- 반응형 : Tablet 768~1279 / Mobile 767 이하 ---------- */
@media (max-width: 1439px) {
  /* 글자를 키운 만큼 1280~1439px 에서 메뉴가 버튼과 겹치지 않도록 */
  .n15-gnb__link { padding: 0 10px; }
  .n15-hd__member { display: none; }
}
@media (max-width: 1279px) {
  :root { --n15-hd-h: 64px; }
  .n15-gnb, .n15-gnb__bg { display: none; }
  .n15-hd__burger { display: inline-flex; }
  .n15-hd__member { display: none; }
  .n15-hd__logo img { width: 124px; }
  .n15-svisual__tit { font-size: 42px; }
  .n15-svisual__desc { font-size: 20px; }
  .n15-tabs__list a { height: 48px; }
  .n15-scta__inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767px) {
  :root { --n15-gutter: 20px; --n15-gap: 16px; }
  body.n15 { font-size: 17px; }
  .n15-pc { display: none; }
  .n15-hd__cta { display: none; }
  .n15-hd__util { gap: 4px; }
  .n15-svisual { height: calc(var(--n15-hd-h) + 180px); }
  .n15-svisual__txt { padding-bottom: 20px; }
  .n15-svisual__tit { margin-top: 6px; font-size: 34px; }
  .n15-svisual__desc { margin-top: 6px; font-size: 19px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .n15-path__list { font-size: 15px; }
  .n15-lnb__btn { font-size: 15px; }
  .n15-tabs__list a { padding: 0 12px; font-size: 16px; }
  .n15-tabs__list a.is-on::after { left: 12px; right: 12px; }
  .n15-subgap { height: 48px; }
  .n15-btn { padding: 0 20px; font-size: 16px; }
  .n15-scta { margin-top: 80px; }
  .n15-scta__inner { padding-top: 40px; padding-bottom: 40px; }
  .n15-scta__tit { font-size: 26px; }
  .n15-scta__desc { font-size: 17px; }
  .n15-ft { font-size: 14px; }
  .n15-ft__top { flex-direction: column; align-items: flex-start; }
  .n15-ft__info span { display: block; margin-right: 0; }
  .n15-ft__info br { display: none; }
  .n15-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .n15-search__form input { font-size: 19px; }
}