@charset "utf-8";
/* =========================================================
   아산숲길 메인 리뉴얼 (2026)
   - 메인(index.html) 전용. 기존 common.css / main_con.css 는 서브페이지용으로 유지
   - 모든 클래스는 rn- 접두어로 기존 스타일과 충돌하지 않게 작성
   - 브레이크포인트 : 1280 / 1024(태블릿·모바일메뉴) / 768 / 480
   ========================================================= */

:root {
	--rn-green-900: #173f2c;
	--rn-green-700: #1f5f3f;
	--rn-green-500: #2f8a57;
	--rn-green-100: #e8f3ec;
	--rn-blue-600: #2563a8;
	--rn-blue-100: #e7f0fa;
	--rn-orange: #f29a1d;
	--rn-red: #d9534f;
	--rn-ink: #1d2420;
	--rn-ink-2: #4a544e;
	--rn-ink-3: #7b857f;
	--rn-line: #e3e8e5;
	--rn-bg: #f5f7f5;
	--rn-white: #fff;
	--rn-radius: 16px;
	--rn-shadow: 0 10px 30px rgba(23, 63, 44, .10);
	--rn-header-h: 90px;
	--rn-inner: 1280px;
	--rn-font: 'Noto Sans KR', 'Malgun Gothic', '맑은 고딕', sans-serif;
}

/* ---------- reset ----------
   .rn       : 메인(index.html) body
   .rn-scope : 서브페이지의 공통 헤더·푸터 영역 (본문 sub_tem 에는 영향 없음) */
.rn *, .rn *::before, .rn *::after,
.rn-scope, .rn-scope *, .rn-scope *::before, .rn-scope *::after { box-sizing: border-box; }
.rn { margin: 0; font-family: var(--rn-font); color: var(--rn-ink); background: var(--rn-white); font-size: 16px; line-height: 1.6; word-break: keep-all; -webkit-text-size-adjust: 100%; }
.rn-scope { font-family: var(--rn-font); font-size: 16px; line-height: 1.6; letter-spacing: normal; word-break: keep-all; }
:is(.rn, .rn-scope) :where(h1, h2, h3, p, ul, address) { margin: 0; padding: 0; }
:is(.rn, .rn-scope) :where(ul) { list-style: none; }
:is(.rn, .rn-scope) :where(a) { color: inherit; text-decoration: none; }
:is(.rn, .rn-scope) :where(img) { max-width: 100%; vertical-align: top; border: 0; }
:is(.rn, .rn-scope) :where(button) { font-family: inherit; cursor: pointer; border: 0; background: none; padding: 0; color: inherit; }
:is(.rn, .rn-scope) :where(address) { font-style: normal; }
:is(.rn, .rn-scope) [hidden] { display: none !important; }
:is(.rn, .rn-scope) :focus-visible { outline: 3px solid var(--rn-orange); outline-offset: 2px; }
.rn-blind { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:is(.rn, .rn-scope) .rn-skip { position: absolute; left: 0; top: -100px; z-index: 1000; padding: 12px 20px; background: var(--rn-green-900); color: #fff; }
:is(.rn, .rn-scope) .rn-skip:focus { top: 0; }
.rn-inner { width: 100%; max-width: var(--rn-inner); margin: 0 auto; padding: 0 40px; }
body.is-locked { overflow: hidden; }

/* =========================================================
   HEADER
   ========================================================= */
.rn-header { position: fixed; left: 0; top: 0; right: 0; z-index: 100; color: #fff; transition: background .3s, color .3s, box-shadow .3s; }
.rn-header__inner { position: relative; z-index: 2; display: flex; align-items: center; max-width: var(--rn-inner); height: var(--rn-header-h); margin: 0 auto; padding: 0 40px; }
.rn-logo { flex: none; }
.rn-logo a { display: block; position: relative; }
.rn-logo img { display: block; height: 46px; width: auto; }
.rn-logo__color { position: absolute; left: 0; top: 0; opacity: 0; transition: opacity .3s; }
.rn-logo__wh { transition: opacity .3s; }

/* 스크롤 / 메뉴 오버 시 흰 배경 */
.rn-header.is-solid,
.rn-header.is-open { background: #fff; color: var(--rn-ink); box-shadow: 0 1px 0 var(--rn-line); }
.rn-header.is-solid .rn-logo__wh,
.rn-header.is-open .rn-logo__wh { opacity: 0; }
.rn-header.is-solid .rn-logo__color,
.rn-header.is-open .rn-logo__color { opacity: 1; }

/* GNB (PC) */
.rn-gnb { flex: 1; margin-left: 60px; }
.rn-gnb__list { display: flex; justify-content: space-between; max-width: 920px; margin-left: auto; }
.rn-gnb__item { position: relative; flex: 1; text-align: center; }
.rn-gnb__link { display: block; line-height: var(--rn-header-h); font-size: 18px; font-weight: 700; letter-spacing: -.02em; position: relative; }
.rn-gnb__link::after { content: ''; position: absolute; left: 50%; bottom: 22px; width: 0; height: 3px; background: var(--rn-green-500); border-radius: 2px; transition: width .25s, left .25s; }
.rn-gnb__item:hover > .rn-gnb__link::after,
.rn-gnb__item.is-active > .rn-gnb__link::after { left: 25%; width: 50%; }
.rn-gnb__sub { display: none; position: absolute; left: 0; top: 100%; min-width: 100%; padding: 22px 6px 28px 14px; text-align: left; white-space: nowrap; }
.rn-gnb__sub li a { display: block; padding: 7px 10px; font-size: 15px; color: var(--rn-ink-2); border-radius: 6px; transition: color .2s, background .2s; }
.rn-gnb__sub li a:hover,
.rn-gnb__sub li a:focus-visible { color: var(--rn-green-700); background: var(--rn-green-100); }
.rn-header.is-open .rn-gnb__sub { display: block; }
.rn-header.is-open .rn-gnb__sub { border-left: 1px solid var(--rn-line); }   /* 열 구분선 */
.rn-header.is-open .rn-gnb__item:last-child .rn-gnb__sub { border-right: 1px solid var(--rn-line); }
.rn-gnb__item.is-active .rn-gnb__sub { background: #f6faf7; }   /* 마우스를 올린 열 강조 */
.rn-gnb-bg { position: absolute; left: 0; right: 0; top: var(--rn-header-h); height: 0; background: #fff; box-shadow: 0 16px 24px rgba(0,0,0,.06); transition: height .25s; }
.rn-header.is-open .rn-gnb-bg { border-top: 1px solid var(--rn-line); }

/* 햄버거 (태블릿 이하에서만) */
.rn-menu-btn { display: none; position: relative; width: 44px; height: 44px; margin-left: auto; }
.rn-menu-btn__bar,
.rn-menu-btn__bar::before,
.rn-menu-btn__bar::after { position: absolute; left: 10px; width: 24px; height: 2px; background: currentColor; border-radius: 2px; content: ''; }
.rn-menu-btn__bar { top: 21px; }
.rn-menu-btn__bar::before { left: 0; top: -7px; }
.rn-menu-btn__bar::after { left: 0; top: 7px; }

/* 모바일 전체메뉴 */
.rn-drawer { position: fixed; inset: 0; z-index: 300; visibility: hidden; }
.rn-drawer.is-open { visibility: visible; }
.rn-drawer__dim { position: absolute; inset: 0; background: rgba(10, 25, 18, .55); opacity: 0; transition: opacity .3s; }
.rn-drawer.is-open .rn-drawer__dim { opacity: 1; }
.rn-drawer__panel { position: absolute; right: 0; top: 0; bottom: 0; z-index: 1; width: min(380px, 86vw); background: #fff; overflow-y: auto; transform: translateX(100%); transition: transform .3s ease; }
.rn-drawer.is-open .rn-drawer__panel { transform: translateX(0); }
.rn-drawer__top { display: flex; align-items: center; justify-content: space-between; height: 70px; padding: 0 12px 0 22px; border-bottom: 1px solid var(--rn-line); }
.rn-drawer__top img { height: 36px; width: auto; }
.rn-drawer__close { position: relative; width: 44px; height: 44px; }
.rn-drawer__close::before,
.rn-drawer__close::after { content: ''; position: absolute; left: 11px; top: 21px; width: 22px; height: 2px; background: var(--rn-ink); transform: rotate(45deg); }
.rn-drawer__close::after { transform: rotate(-45deg); }
.rn-drawer__list > li { border-bottom: 1px solid var(--rn-line); }
.rn-drawer__list > li > a,
.rn-drawer__list > li > button { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 17px 22px; font-size: 17px; font-weight: 700; text-align: left; }
.rn-drawer__list > li > button::after { content: ''; width: 9px; height: 9px; border-right: 2px solid var(--rn-ink-3); border-bottom: 2px solid var(--rn-ink-3); transform: rotate(45deg) translate(-2px, -2px); transition: transform .25s; }
.rn-drawer__list > li > button[aria-expanded="true"] { color: var(--rn-green-700); }
.rn-drawer__list > li > button[aria-expanded="true"]::after { transform: rotate(-135deg); border-color: var(--rn-green-700); }
.rn-drawer__list .rn-gnb__sub { display: block; position: static; min-width: 0; transform: none; white-space: normal; min-height: 0 !important; padding: 4px 0 14px; background: var(--rn-bg); }
.rn-drawer__list .rn-gnb__sub[hidden] { display: none !important; }
.rn-drawer__list .rn-gnb__sub a { display: block; padding: 9px 22px 9px 34px; font-size: 15px; color: var(--rn-ink-2); }

/* =========================================================
   VISUAL
   ========================================================= */
.rn-visual { position: relative; height: 100vh; height: 100svh; min-height: 480px; background: var(--rn-green-900); overflow: hidden; }
/* 슬라이드를 겹쳐 놓고 페이드 (폭 계산이 없어 화면 크기와 무관하게 꽉 참) */
.rn-visual__slider { position: relative; height: 100%; }
.rn-visual__item { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .9s ease, visibility 0s .9s; }
.rn-visual__item.is-active { z-index: 1; opacity: 1; visibility: visible; transition: opacity .9s ease, visibility 0s; }
.rn-visual__bg { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: cover; transform: scale(1.08); transition: transform 7s linear; }
.rn-visual__item.is-active .rn-visual__bg { transform: scale(1); }
.rn-visual__item::before { content: ''; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(0,0,0,.40) 0, rgba(0,0,0,0) 25%), linear-gradient(90deg, rgba(10,25,18,.70) 0, rgba(10,25,18,.35) 45%, rgba(10,25,18,0) 75%); }
.rn-visual__copy { position: absolute; z-index: 2; left: max(40px, calc((100% - var(--rn-inner)) / 2 + 40px)); bottom: 200px; max-width: 640px; color: #fff; }
.rn-visual__copy > * { opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s; }
.rn-visual__item.is-active .rn-visual__copy > * { opacity: 1; transform: none; }
.rn-visual__item.is-active .rn-visual__copy > :nth-child(1) { transition-delay: .3s; }
.rn-visual__item.is-active .rn-visual__copy > :nth-child(2) { transition-delay: .45s; }
.rn-visual__item.is-active .rn-visual__copy > :nth-child(3) { transition-delay: .6s; }
.rn-visual__item.is-active .rn-visual__copy > :nth-child(4) { transition-delay: .75s; }
.rn-visual__eyebrow { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 700; letter-spacing: .28em; color: rgba(255,255,255,.85); }
.rn-visual__eyebrow::before { content: ''; width: 36px; height: 2px; background: #8fd19e; }
.rn-visual__tit { margin-top: 18px; font-size: clamp(34px, 4.2vw, 60px); font-weight: 700; line-height: 1.25; letter-spacing: -.03em; text-shadow: 0 2px 20px rgba(0,0,0,.25); }
.rn-visual__txt { margin-top: 18px; font-size: clamp(15px, 1.3vw, 19px); color: rgba(255,255,255,.88); }
.rn .rn-visual__link { display: inline-flex; align-items: center; gap: 12px; margin-top: 32px; height: 52px; padding: 0 28px; border: 1px solid rgba(255,255,255,.7); border-radius: 26px; font-size: 15px; font-weight: 500; color: #fff; transition: background .25s, color .25s, border-color .25s; }
.rn .rn-visual__link::after { content: ''; width: 7px; height: 7px; border-right: 2px solid currentColor; border-top: 2px solid currentColor; transform: rotate(45deg); }
.rn .rn-visual__link:hover { background: #fff; border-color: #fff; color: var(--rn-green-900); }

/* 컨트롤 */
.rn-visual__ctrl { position: absolute; z-index: 5; left: max(40px, calc((100% - var(--rn-inner)) / 2 + 40px)); bottom: 120px; display: flex; align-items: center; gap: 10px; color: #fff; }
.rn-visual__count { font-size: 15px; letter-spacing: .05em; min-width: 46px; }
.rn-visual__count strong { font-size: 20px; }
.rn-visual__bar { position: relative; width: 140px; height: 2px; background: rgba(255,255,255,.35); margin-right: 8px; }
.rn-visual__bar span { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: #fff; }
.rn-visual__bar span.is-run { width: 100%; transition: width linear; transition-duration: var(--rn-dur, 6s); }
.rn-visual__btn { position: relative; width: 40px; height: 40px; border: 1px solid rgba(255,255,255,.6); border-radius: 50%; transition: background .2s; }
.rn-visual__btn:hover { background: rgba(255,255,255,.18); }
.rn-visual__btn--prev::before,
.rn-visual__btn--next::before { content: ''; position: absolute; left: 50%; top: 50%; width: 9px; height: 9px; border-left: 2px solid #fff; border-bottom: 2px solid #fff; transform: translate(-30%, -50%) rotate(45deg); }
.rn-visual__btn--next::before { transform: translate(-70%, -50%) rotate(-135deg); }
.rn-visual__btn--toggle::before,
.rn-visual__btn--toggle::after { content: ''; position: absolute; top: 13px; width: 3px; height: 12px; background: #fff; }
.rn-visual__btn--toggle::before { left: 15px; }
.rn-visual__btn--toggle::after { left: 21px; }
.rn-visual__btn--toggle.is-paused::before { left: 15px; top: 12px; width: 0; height: 0; background: none; border-left: 11px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; }
.rn-visual__btn--toggle.is-paused::after { display: none; }

/* =========================================================
   공지 + 바로가기
   ========================================================= */
.rn-quick { position: relative; z-index: 10; margin-top: -80px; }
.rn-notice { display: flex; align-items: center; gap: 24px; height: 80px; padding: 0 16px 0 32px; background: var(--rn-green-700); color: #fff; border-radius: var(--rn-radius) var(--rn-radius) 0 0; }
.rn-notice__tit { flex: none; font-size: 18px; font-weight: 700; }
.rn-notice__tit a { display: flex; align-items: center; gap: 10px; }
.rn-notice__tit a::before { content: ''; width: 28px; height: 28px; background: url(../main/images/notice_icon.png) no-repeat center / contain; }
.rn-notice__viewport { position: relative; flex: 1; min-width: 0; height: 28px; overflow: hidden; padding-left: 24px; border-left: 1px solid rgba(255,255,255,.25); }
.rn-notice__list { transition: transform .45s ease; }
.rn-notice__list li { height: 28px; line-height: 28px; }
.rn-notice__list a { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 16px; }
.rn-notice__list a:hover { text-decoration: underline; }
.rn-notice__ctrl { flex: none; display: flex; align-items: center; gap: 6px; }
.rn-notice__count { margin-right: 8px; font-size: 14px; opacity: .85; }
.rn-notice__btn { position: relative; width: 36px; height: 36px; border-radius: 8px; background: rgba(255,255,255,.12); }
.rn-notice__btn:hover { background: rgba(255,255,255,.25); }
.rn-notice__btn::before { content: ''; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; border-left: 2px solid #fff; border-top: 2px solid #fff; transform: translate(-50%, -25%) rotate(45deg); }
.rn-notice__btn--next::before { transform: translate(-50%, -75%) rotate(-135deg); }

.rn-links { display: grid; grid-template-columns: repeat(6, 1fr); background: #fff; border-radius: 0 0 var(--rn-radius) var(--rn-radius); box-shadow: var(--rn-shadow); }
.rn-links li + li { border-left: 1px solid var(--rn-line); }
.rn-links__item { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 30px 8px 26px; font-size: 16px; font-weight: 500; text-align: center; transition: color .2s; }
.rn-links__ico { display: flex; align-items: center; justify-content: center; width: 72px; height: 72px; border-radius: 50%; background: var(--rn-green-500); transition: transform .25s, background .25s; }
.rn-links__ico img { width: 40px; height: 40px; object-fit: contain; }
.rn-links li:nth-child(2) .rn-links__ico { background: #e06a5a; }
.rn-links li:nth-child(3) .rn-links__ico { background: var(--rn-blue-600); }
.rn-links li:nth-child(4) .rn-links__ico { background: #8a6d3b; }
.rn-links li:nth-child(5) .rn-links__ico { background: var(--rn-orange); }
.rn-links li:nth-child(6) .rn-links__ico { background: var(--rn-green-900); }
.rn-links__item:hover { color: var(--rn-green-700); }
.rn-links__item:hover .rn-links__ico { transform: translateY(-5px); }

/* =========================================================
   코스 탭
   ========================================================= */
.rn-course { padding: 110px 0 100px; background: linear-gradient(180deg, #fff 0, var(--rn-bg) 220px); }
.rn-sec-head { text-align: center; margin-bottom: 36px; }
.rn-sec-head__sub { font-size: 14px; font-weight: 700; letter-spacing: .25em; color: var(--rn-green-500); }
.rn-sec-head__tit { margin-top: 8px; font-size: 38px; font-weight: 900; letter-spacing: -.03em; }

.rn-tabs { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; }
.rn-tabs__btn { min-width: 150px; height: 52px; padding: 0 24px; border: 1px solid var(--rn-line); border-radius: 26px; background: #fff; font-size: 17px; font-weight: 700; color: var(--rn-ink-2); transition: all .2s; }
.rn-tabs__btn:hover { border-color: var(--rn-green-500); color: var(--rn-green-700); }
.rn-tabs__btn.is-on { background: var(--rn-green-700); border-color: var(--rn-green-700); color: #fff; }
#rnTab3.is-on { background: var(--rn-blue-600); border-color: var(--rn-blue-600); }

.rn-panel.is-on { animation: rnFade .4s ease; }
@keyframes rnFade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.rn-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.rn-card a { display: flex; flex-direction: column; height: 100%; background: #fff; border-radius: var(--rn-radius); overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,.05); transition: transform .3s, box-shadow .3s; }
.rn-card a:hover { transform: translateY(-6px); box-shadow: var(--rn-shadow); }
.rn-card__img { aspect-ratio: 4 / 3; overflow: hidden; background: var(--rn-line); }
.rn-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.rn-card a:hover .rn-card__img img { transform: scale(1.06); }
.rn-card__body { flex: 1; display: flex; flex-direction: column; padding: 22px 22px 24px; }
.rn-card__tags { display: flex; flex-wrap: wrap; gap: 6px; }
.rn-tag { display: inline-block; padding: 3px 10px; border-radius: 20px; background: var(--rn-bg); color: var(--rn-ink-2); font-size: 13px; font-weight: 500; }
.rn-tag--green { background: var(--rn-green-100); color: var(--rn-green-700); }
.rn-tag--blue { background: var(--rn-blue-100); color: var(--rn-blue-600); }
.rn-tag--easy { background: #e8f5e9; color: #2e7d32; }
.rn-tag--normal { background: #fff4e0; color: #b26a00; }
.rn-tag--hard { background: #fdecea; color: #c0392b; }
.rn-card__tit { margin-top: 12px; font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.rn-card__txt { margin-top: 8px; font-size: 15px; color: var(--rn-ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.rn-card__hash { margin-top: auto; padding-top: 14px; font-size: 13px; color: var(--rn-ink-3); }
.rn-more { margin-top: 44px; text-align: center; }
.rn .rn-btn { display: inline-flex; align-items: center; gap: 10px; height: 54px; padding: 0 34px; border-radius: 27px; font-size: 16px; font-weight: 700; color: #fff; transition: background .2s, gap .2s; }
.rn-btn::after { content: ''; width: 8px; height: 8px; border-right: 2px solid #fff; border-top: 2px solid #fff; transform: rotate(45deg); }
.rn-btn:hover { gap: 16px; }
.rn-btn--green { background: var(--rn-green-700); }
.rn-btn--green:hover { background: var(--rn-green-900); }
.rn-btn--blue { background: var(--rn-blue-600); }
.rn-btn--blue:hover { background: #1b4f88; }

/* =========================================================
   배너
   ========================================================= */
.rn-banner { padding: 0 0 100px; background: var(--rn-bg); }
.rn-banner__list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.rn-banner__list a { display: block; border-radius: var(--rn-radius); overflow: hidden; transition: transform .3s, box-shadow .3s; }
.rn-banner__list a:hover { transform: translateY(-4px); box-shadow: var(--rn-shadow); }
.rn-banner__list img { width: 100%; height: auto; }

/* =========================================================
   FOOTER
   ========================================================= */
.rn-footer { padding: 50px 0 60px; background: #1c2621; color: rgba(255,255,255,.7); font-size: 14px; }
.rn-footer__top { display: flex; align-items: center; gap: 40px; padding-bottom: 28px; margin-bottom: 26px; border-bottom: 1px solid rgba(255,255,255,.12); }
.rn-footer__logo { height: 40px; width: auto; opacity: .9; }
.rn-footer__links { display: flex; flex-wrap: wrap; gap: 6px 28px; flex: 1; }
.rn-footer__links a { color: #fff; font-weight: 500; }
.rn-footer__links a:hover { text-decoration: underline; }
.rn-family { position: relative; flex: none; width: 240px; }
.rn-family__btn { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 48px; padding: 0 18px; border: 1px solid rgba(255,255,255,.25); border-radius: 8px; color: #fff; font-size: 14px; }
.rn-family__btn::after { content: ''; width: 8px; height: 8px; border-left: 2px solid #fff; border-top: 2px solid #fff; transform: rotate(45deg) translate(2px, 2px); transition: transform .2s; }
.rn-family__btn[aria-expanded="true"]::after { transform: rotate(-135deg) translate(2px, 2px); }
.rn-family__list { position: absolute; left: 0; right: 0; bottom: 54px; padding: 8px 0; background: #fff; border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
.rn-family__list a { display: block; padding: 10px 18px; color: var(--rn-ink); }
.rn-family__list a:hover,
.rn-family__list a:focus-visible { background: var(--rn-green-100); color: var(--rn-green-700); }
.rn-footer__addr { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.rn-footer__addr a { color: inherit; }
.rn-footer__copy { margin-top: 8px; color: rgba(255,255,255,.45); }

/* 맨 위로 */
.rn-top { position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 52px; height: 52px; border-radius: 50%; background: var(--rn-green-700); box-shadow: 0 6px 16px rgba(0,0,0,.2); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .3s; }
.rn-top::before { content: ''; position: absolute; left: 50%; top: 50%; width: 11px; height: 11px; border-left: 2px solid #fff; border-top: 2px solid #fff; transform: translate(-50%, -25%) rotate(45deg); }
.rn-top.is-show { opacity: 1; visibility: visible; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1280px) {
	.rn-gnb { margin-left: 30px; }
	.rn-gnb__sub { padding-left: 8px; padding-right: 2px; }
	.rn-gnb__sub li a { padding-left: 7px; padding-right: 7px; font-size: 14px; }
	.rn-gnb__link { font-size: 17px; }
	.rn-cards { gap: 18px; }
}

/* 태블릿 : 모바일 메뉴 전환 */
@media (max-width: 1024px) {
	:root { --rn-header-h: 70px; }
	.rn-inner, .rn-header__inner { padding: 0 24px; }
	.rn-gnb, .rn-gnb-bg { display: none; }
	.rn-menu-btn { display: block; }
	.rn-logo img { height: 38px; }
	.rn-header.is-open { background: none; box-shadow: none; color: #fff; }
	.rn-header.is-open.is-solid { background: #fff; color: var(--rn-ink); }
	.rn-header.is-open:not(.is-solid) .rn-logo__wh { opacity: 1; }
	.rn-header.is-open:not(.is-solid) .rn-logo__color { opacity: 0; }

	.rn-visual__copy { bottom: 185px; left: 24px; right: 24px; }
	.rn-visual__ctrl { left: 24px; bottom: 110px; }

	.rn-links { grid-template-columns: repeat(3, 1fr); }
	.rn-links li:nth-child(4) { border-left: 0; }
	.rn-links li:nth-child(n+4) { border-top: 1px solid var(--rn-line); }
	.rn-cards { grid-template-columns: repeat(2, 1fr); gap: 20px; }
	.rn-sec-head__tit { font-size: 32px; }
	.rn-footer__top { flex-wrap: wrap; gap: 24px; }
	.rn-footer__links { flex-basis: calc(100% - 200px); }
	.rn-family { width: 100%; }
}

@media (max-width: 768px) {
	body.rn { font-size: 15px; }
	.rn-inner, .rn-header__inner { padding: 0 16px; }
	.rn-logo img { height: 34px; }

	.rn-visual__item::before { background: linear-gradient(180deg, rgba(0,0,0,.40) 0, rgba(0,0,0,0) 25%, rgba(10,25,18,.15) 45%, rgba(10,25,18,.75) 100%); }
	.rn-visual__copy { left: 20px; right: 20px; bottom: 165px; }
	.rn-visual__eyebrow { font-size: 12px; letter-spacing: .2em; }
	.rn-visual__eyebrow::before { width: 24px; }
	.rn-visual__tit { margin-top: 12px; font-size: 30px; }
	.rn-visual__txt { margin-top: 12px; font-size: 14px; }
	.rn .rn-visual__link { margin-top: 22px; height: 44px; padding: 0 22px; font-size: 14px; }
	.rn-visual__ctrl { left: 20px; bottom: 95px; }
	.rn-visual__bar { width: 80px; }
	.rn-visual__btn { width: 36px; height: 36px; }
	.rn-visual__btn--toggle::before,
	.rn-visual__btn--toggle::after { top: 11px; }
	.rn-visual__btn--toggle::before { left: 13px; }
	.rn-visual__btn--toggle::after { left: 19px; }
	.rn-visual__btn--toggle.is-paused::before { left: 13px; top: 10px; }

	.rn-quick { margin-top: -60px; }
	.rn-notice { flex-wrap: wrap; gap: 0; height: auto; padding: 16px 18px; }
	.rn-notice__tit { font-size: 16px; }
	.rn-notice__tit a::before { width: 22px; height: 22px; }
	.rn-notice__ctrl { margin-left: auto; }
	.rn-notice__btn { width: 32px; height: 32px; }
	.rn-notice__viewport { flex-basis: 100%; order: 3; margin-top: 10px; padding: 0; border-left: 0; height: 28px; }
	.rn-notice__list a { font-size: 15px; }

	.rn-links__item { gap: 8px; padding: 20px 4px 18px; font-size: 14px; }
	.rn-links__ico { width: 56px; height: 56px; }
	.rn-links__ico img { width: 30px; height: 30px; }

	.rn-course { padding: 70px 0 64px; }
	.rn-sec-head { margin-bottom: 26px; }
	.rn-sec-head__sub { font-size: 12px; }
	.rn-sec-head__tit { font-size: 26px; }
	.rn-tabs { gap: 6px; margin-bottom: 26px; }
	.rn-tabs__btn { flex: 1; min-width: 0; height: 46px; padding: 0 8px; font-size: 15px; }

	.rn-cards { gap: 14px; }
	.rn-card__body { padding: 18px; }
	.rn-card__tit { font-size: 18px; }
	.rn-card__txt { font-size: 14px; }
	.rn-more { margin-top: 26px; }
	.rn .rn-btn { height: 50px; padding: 0 26px; font-size: 15px; }

	.rn-banner { padding-bottom: 64px; }
	.rn-banner__list { gap: 14px; }

	.rn-footer { padding: 40px 0 90px; font-size: 13px; }
	.rn-footer__top { padding-bottom: 22px; margin-bottom: 20px; }
	.rn-footer__logo { height: 34px; }
	.rn-footer__links { flex-basis: 100%; gap: 6px 20px; }
	.rn-footer__addr { flex-direction: column; }
	.rn-top { right: 16px; bottom: 16px; width: 46px; height: 46px; }
}

/* 스마트폰 : 카드 가로 스와이프, 배너 1단 */
@media (max-width: 640px) {
	.rn-cards { display: flex; gap: 14px; margin: 0 -16px; padding: 4px 16px 14px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 16px; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
	.rn-cards::-webkit-scrollbar { display: none; }
	.rn-card { flex: 0 0 78%; scroll-snap-align: start; }
	.rn-card a:hover { transform: none; }
	.rn-banner__list { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
	.rn-card { flex-basis: 86%; }
	.rn-notice__count { display: none; }
	.rn-tabs__btn { font-size: 14px; }
}

/* 움직임 줄이기 설정 사용자 */
@media (prefers-reduced-motion: reduce) {
	.rn *, .rn *::before, .rn *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
	.rn-visual__bg { transform: none !important; }
}