/* PICNIC 소개 페이지 — 색·간격은 tokens.css(소풍 디자인 시스템 v1) 토큰만 쓴다. */

@font-face {
  font-family: "Pretendard Variable";
  src: url("../fonts/PretendardVariable.woff2") format("woff2-variations");
  font-weight: 45 920;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; font-size: 16px; word-break: keep-all; overflow-wrap: break-word; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 4px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: 8px; top: -60px; padding: 8px 14px; background: var(--ink); color: #fff; border-radius: var(--radius-md); z-index: 100; }
.skip:focus { top: 8px; }
br.m { display: none; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 48px; padding: 0 22px; border-radius: var(--radius-md);
  font: 600 16px/1 var(--font-sans); text-decoration: none; cursor: pointer;
  border: 1.5px solid transparent; transition: background .15s, border-color .15s, transform .15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: var(--primary-text); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: var(--surface); color: var(--green-800); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--green-500); }
.btn-sun { background: var(--sun-500); color: var(--ink); }
.btn-sun:hover { background: var(--sun-300); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 15px; }

/* 머리 */
.top { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: .02em; color: var(--green-800); }
.logo svg { width: 32px; height: 32px; }
.logo-sm { font-size: 17px; }
.logo-sm svg { width: 26px; height: 26px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { text-decoration: none; color: var(--text-sub); font-weight: 500; }
.nav a:not(.btn):hover { color: var(--green-700); }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; background: none; padding: 10px; cursor: pointer; }
.nav-toggle i { display: block; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; transition: transform .2s, opacity .2s; }

/* 공통 글 */
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .08em; color: var(--green-600); margin-bottom: 12px; }
h1 { font-size: clamp(36px, 5.4vw, 56px); line-height: 1.22; letter-spacing: -.02em; color: var(--ink); font-weight: 800; }
h1 em { font-style: normal; color: var(--green-600); background: linear-gradient(transparent 62%, var(--sun-100) 0); }
h2 { font-size: clamp(26px, 3.4vw, 36px); line-height: 1.3; letter-spacing: -.015em; font-weight: 750; color: var(--ink); }
h3 { font-size: 19px; line-height: 1.45; font-weight: 700; color: var(--ink); }
.sec { padding: 96px 0; }
.sec-alt { background: var(--surface-alt); }
.sec-lead { margin-top: 14px; max-width: 640px; color: var(--text-sub); font-size: 17px; }
.note { margin-top: 24px; color: var(--text-muted); font-size: 14px; text-align: center; }

/* 첫 화면 */
.hero { position: relative; overflow: hidden; padding: 72px 0 112px;
  background: radial-gradient(900px 420px at 85% 10%, var(--green-100), transparent 70%),
              radial-gradient(600px 300px at 0% 100%, var(--sun-100), transparent 70%); }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.lead { margin-top: 20px; font-size: 18px; color: var(--text-sub); max-width: 520px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-facts { display: flex; gap: 32px; margin: 40px 0 0; padding: 0; list-style: none; }
.hero-facts li { display: flex; flex-direction: column; font-size: 14px; color: var(--text-muted); }
.hero-facts b { font-size: 26px; color: var(--green-800); font-weight: 800; }

.hero-art { position: relative; margin: 0; }
.screen { background: var(--surface); border-radius: var(--radius-xl); box-shadow: 0 24px 60px rgba(44, 77, 51, .16); border: 1px solid var(--border); overflow: hidden; }
.screen-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--cream); font-size: 13px; color: var(--text-sub); }
.screen-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.screen-bar span { margin-left: 8px; font-weight: 600; }
.screen-bar .lesson-name { margin-left: 0; }
.screen-body { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 20px; align-items: center; }
.model-wrap { position: relative; aspect-ratio: 22 / 17; border-radius: var(--radius-lg); background: var(--green-50); overflow: hidden; }
.model { width: 100%; height: 100%; padding: 8px; transition: opacity .6s; }
.model-3d { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .6s; }
.model-wrap.is-3d .model-3d { opacity: 1; }
/* 회전목마 그림은 스크립트가 없거나 3D 를 못 띄울 때만(is-svg). 3D 를 읽는 동안은 은은한 로딩 표시 */
.js .model-wrap:not(.is-svg) .model { opacity: 0; }
.js .model-wrap:not(.is-3d):not(.is-svg)::after { content: ""; position: absolute; inset: 0; margin: auto; width: 34px; height: 34px; border-radius: 50%;
  border: 3px solid var(--green-200); border-top-color: var(--green-600); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
/* 조립물을 고르기 전에는 첫 화면 글(회전목마)을 보이지 않는다 */
.js:not(.hero-ready) :is(.lesson-name, .hero-art .blocks, .pico-q) { visibility: hidden; }
.spin { transform-origin: 110px 90px; animation: sway 3.2s ease-in-out infinite; }
@keyframes sway { 0%,100% { transform: scaleX(1); } 50% { transform: scaleX(-1); } }
.blocks { display: flex; flex-direction: column; gap: 6px; }
.b { display: block; padding: 8px 12px; border-radius: 8px; font-size: 13px; font-weight: 600; color: #fff; }
.b u { text-decoration: none; background: rgba(255,255,255,.9); color: var(--ink); border-radius: 10px; padding: 0 7px; margin: 0 2px; }
.b-event { background: var(--sun-700); border-radius: 14px 14px 8px 8px; }
.b-motor { background: var(--sea-500); margin-left: 12px; }
.b-wait { background: var(--clay-500); margin-left: 12px; }
.b-loop { background: var(--green-600); margin-left: 12px; border-radius: 8px 8px 8px 2px; }
.b-loop ~ .b-motor, .b-loop ~ .b-wait { margin-left: 24px; }
.screen-steps { display: flex; gap: 4px; margin: 0; padding: 0 20px 18px; list-style: none; }
.screen-steps li { flex: 1; text-align: center; font-size: 12px; padding: 6px 0; border-radius: var(--radius-full); background: var(--green-50); color: var(--text-muted); }
.screen-steps li.on { background: var(--green-600); color: #fff; font-weight: 700; }
.screen-steps li.done { background: var(--green-200); color: var(--green-800); }
.pico-tip { position: absolute; right: -20px; bottom: -58px; display: flex; align-items: center; gap: 10px; max-width: 290px; padding: 12px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); font-size: 14px; }
.pico-tip b { color: var(--clay-700); margin-right: 4px; }
.pico { flex: none; width: 40px; height: 40px; border-radius: 50%; background: radial-gradient(circle at 35% 40%, #fff 0 4px, transparent 5px), radial-gradient(circle at 65% 40%, #fff 0 4px, transparent 5px), var(--clay-500); box-shadow: inset 0 -4px 0 var(--clay-700); }

/* 수업 흐름 */
.flow-sec { padding: 72px 0; background: var(--green-800); color: #fff; }
.flow-sec .eyebrow { color: var(--sun-300); }
.flow-sec h2 { color: #fff; }
.flow-sec .note { color: var(--green-300); }
.flow { counter-reset: s; display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin: 36px 0 0; padding: 0; list-style: none; }
.flow li { counter-increment: s; position: relative; padding: 20px 16px; border-radius: var(--radius-lg); background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); }
.flow li::before { content: counter(s); display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--sun-500); color: var(--ink); font-weight: 800; font-size: 14px; margin-bottom: 12px; }
.flow b { display: block; font-size: 18px; }
.flow span { font-size: 14px; color: var(--green-200); }

/* 서비스 구성 */
.svc-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; margin-top: 44px; }
.svc { grid-column: span 2; position: relative; padding: 28px 24px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); overflow: hidden; }
.svc:nth-child(4), .svc:nth-child(5) { grid-column: span 3; }
.svc::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--c); }
.svc-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.svc-name { font-size: 22px; font-weight: 800; color: var(--c); }
.svc-name small { font-size: 13px; font-weight: 600; color: var(--text-muted); margin-right: 4px; letter-spacing: .04em; }
.svc-nick { font-size: 14px; color: var(--text-muted); }
.svc-role { display: inline-block; margin: 12px 0 10px; padding: 3px 10px; border-radius: var(--radius-full); background: var(--green-50); color: var(--green-800); font-size: 13px; font-weight: 600; }
.svc p { color: var(--text-sub); font-size: 15px; }

/* 특장점 */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.feat { padding: 28px 24px; background: var(--surface); border-radius: var(--radius-lg); border: 1px solid var(--border); }
.feat svg { width: 44px; height: 44px; margin-bottom: 16px; }
.feat p { margin-top: 8px; color: var(--text-sub); font-size: 15px; }

/* 교육상품 */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 36px; }
.tab { min-height: 42px; padding: 0 18px; border-radius: var(--radius-full); border: 1.5px solid var(--border-strong); background: var(--surface); font: 600 15px var(--font-sans); color: var(--text-sub); cursor: pointer; }
.tab[aria-selected="true"] { background: var(--green-800); border-color: var(--green-800); color: #fff; }
.tab .cnt { margin-left: 6px; font-weight: 500; opacity: .7; }
.line-desc { min-height: 26px; margin-top: 16px; color: var(--text-muted); }
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 12px; }
.prod { display: flex; flex-direction: column; gap: 10px; padding: 20px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.prod-line { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--text-muted); }
.prod h3 { font-size: 17px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.chip { padding: 2px 9px; border-radius: var(--radius-full); font-size: 12.5px; font-weight: 600; background: var(--cream); color: var(--text-sub); }
.chip.SE { background: var(--sun-100); color: var(--sun-700); }
.chip.SU { background: var(--sea-100); color: var(--sea-700); }
.chip.ADVANCED { background: var(--clay-100); color: var(--clay-700); }
.chip.pack { background: var(--green-100); color: var(--green-700); }
.training-grid { display: grid; gap: 16px; margin-top: 40px; }
.training { display: flex; align-items: center; justify-content: space-between; gap: 24px; cursor: pointer; transition: border-color .2s, box-shadow .2s; padding: 28px 32px; border-radius: var(--radius-xl); background: var(--green-50); border: 1px solid var(--green-200); }
.training p:not(.eyebrow) { margin-top: 8px; color: var(--text-sub); max-width: 640px; }
.training .eyebrow { margin-bottom: 4px; }

/* Campus 입장 */
.enter-sec { background: var(--green-100); border-top: 1px solid var(--green-200); border-bottom: 1px solid var(--green-200); }
.enter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.enter { display: flex; flex-direction: column; padding: 32px 28px; border-radius: var(--radius-xl); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow-md); }
.enter-ic { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; margin-bottom: 20px; }
.enter-ic svg { width: 30px; height: 30px; }
.enter.org .enter-ic { background: var(--sea-100); color: var(--sea-700); }
.enter.teacher .enter-ic { background: var(--green-100); color: var(--green-700); }
.enter.student .enter-ic { background: var(--sun-100); color: var(--sun-700); }
.enter h3 { font-size: 22px; }
.enter p { margin: 8px 0 24px; color: var(--text-sub); flex: 1; }
.enter .btn { width: 100%; }
.enter .sub { margin-top: 12px; text-align: center; font-size: 14px; color: var(--green-700); font-weight: 600; text-underline-offset: 3px; }

/* 함께하는 곳 */
.badge-row { margin-top: 24px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; border-radius: var(--radius-full); background: var(--sun-100); color: var(--sun-700); font-weight: 700; font-size: 14px; }
.badge::before { content: "★"; }
.partner-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 28px; }
.partner { padding: 22px 18px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); text-align: center; }
.partner small { display: block; font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--green-600); }
.partner b { display: block; margin: 6px 0 4px; font-size: 17px; color: var(--ink); }
.partner span { font-size: 13px; color: var(--text-muted); }
.tm { margin-top: 28px; font-size: 12.5px; color: var(--text-muted); }

/* 문의 · 바닥 */
.contact { padding: 72px 0; background: var(--green-700); color: #fff; }
.contact h2 { color: #fff; }
.contact p { margin-top: 8px; color: var(--green-100); }
.contact-in { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.foot { padding: 36px 0; background: var(--green-900); color: var(--green-300); font-size: 14px; }
.foot .logo { color: #fff; margin-bottom: 8px; }
.foot-in { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }

.svc { display: block; text-decoration: none; transition: transform .2s, box-shadow .2s, border-color .2s; }
.svc:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--c); }
.svc-more { display: inline-block; margin-top: 14px; font-size: 14px; font-weight: 700; color: var(--c); }
.svc-grid-4 { grid-template-columns: repeat(4, 1fr); }
.svc-grid-4 .svc, .svc-grid-4 .svc:nth-child(4), .svc-grid-4 .svc:nth-child(5) { grid-column: span 1; }

.svc-more i { display: inline-block; font-style: normal; transition: transform .25s; }
.svc-more .close-t, .svc.on .svc-more .open-t { display: none; }
.svc.on .svc-more .close-t { display: inline; }
.svc.on .svc-more i { transform: rotate(180deg); }
.svc.on { border-color: var(--c); box-shadow: 0 0 0 2px var(--c), var(--shadow-md); transform: none; }

/* 서비스 요약 판 — 0fr → 1fr 로 미끄러지듯 열린다 */
.svc-panel { grid-column: 1 / -1; display: grid; grid-template-rows: 0fr; opacity: 0; margin-top: -16px; transition: grid-template-rows .4s ease, opacity .3s ease, margin-top .4s ease; }
.svc-panel.open { grid-template-rows: 1fr; opacity: 1; margin-top: 0; }
.sp-clip { min-height: 0; overflow: hidden; }
.sp-inner { padding: 32px; border-radius: var(--radius-xl); background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--c); box-shadow: var(--shadow-md);
  background-image: radial-gradient(600px 200px at 100% 0%, color-mix(in srgb, var(--c) 9%, transparent), transparent 70%); }
.sp-inner.swap { animation: sp-swap .35s ease; }
@keyframes sp-swap { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
.sp-top { display: flex; justify-content: space-between; gap: 16px; }
.sp-eyebrow { font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--c); }
.sp-headline { margin-top: 6px; font-size: clamp(21px, 2.4vw, 26px); line-height: 1.35; }
.sp-lead { margin-top: 8px; max-width: 720px; color: var(--text-sub); }
.sp-close { flex: none; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); color: var(--text-sub); font-size: 16px; cursor: pointer; }
.sp-close:hover { border-color: var(--c); color: var(--c); }
.sp-feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.sp-feats li { padding: 16px; border-radius: var(--radius-lg); background: var(--cream); }
.sp-feats b { display: block; color: var(--ink); font-size: 15.5px; }
.sp-feats span { display: block; margin-top: 4px; font-size: 14px; line-height: 1.6; color: var(--text-sub); }
.sp-foot { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 24px; flex-wrap: wrap; }
.sp-steps { display: flex; gap: 4px; margin: 0; padding: 0; list-style: none; flex: 1; min-width: 280px; max-width: 560px; }
.sp-steps li { flex: 1; text-align: center; padding: 6px 0; border-radius: var(--radius-full); font-size: 13px; background: var(--green-50); color: var(--stone-300); }
.sp-steps li.hit { background: color-mix(in srgb, var(--c) 20%, var(--surface)); box-shadow: inset 0 0 0 1.5px var(--c); color: var(--ink); font-weight: 700; }

.prod { position: relative; text-decoration: none; color: inherit; cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s; }
.prod:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--c); }
.prod.on { border-color: var(--c); box-shadow: 0 0 0 2px var(--c), var(--shadow-md); transform: none; }
.prod-more { position: absolute; right: 16px; top: 16px; font-size: 14px; font-weight: 700; color: var(--c); transition: transform .25s; }
.prod.on .prod-more { transform: rotate(180deg); }
.sp-n { font-size: .7em; font-weight: 600; color: var(--text-muted); margin-left: 4px; }
.sp-sub { margin: 24px 0 10px; font-size: 13px; font-weight: 700; letter-spacing: .06em; color: var(--text-muted); }
.sp-units { counter-reset: u; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 0; padding: 0; list-style: none; }
.sp-units li { counter-increment: u; display: flex; align-items: baseline; gap: 10px; padding: 10px 14px; border-radius: var(--radius-md); background: var(--cream); font-size: 14.5px; line-height: 1.5; color: var(--ink); }
.sp-units li::before { content: counter(u); flex: none; display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: color-mix(in srgb, var(--c) 18%, var(--surface)); color: var(--ink); font-size: 12px; font-weight: 800; }
.sp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.sp-tags li { padding: 4px 12px; border-radius: var(--radius-full); border: 1px solid color-mix(in srgb, var(--c) 45%, var(--surface)); font-size: 13.5px; color: var(--text-sub); }

.training:hover { border-color: var(--green-500); box-shadow: var(--shadow-md); }
.training.on { border-color: var(--green-700); box-shadow: 0 0 0 2px var(--green-700), var(--shadow-md); }
.tr-more { display: inline-block; margin-top: 12px; font-size: 14px; font-weight: 700; color: var(--green-700); }
.tr-more i { display: inline-block; font-style: normal; transition: transform .25s; }
.tr-more .close-t, .training.on .tr-more .open-t { display: none; }
.training.on .tr-more .close-t { display: inline; }
.training.on .tr-more i { transform: rotate(180deg); }
.tr-stages { display: grid; grid-template-columns: 1fr 1.6fr 1fr 1fr; gap: 12px; margin: 0; padding: 0; list-style: none; }
.tr-stages > li { padding: 16px; border-radius: var(--radius-lg); background: var(--cream); }
.tr-stage-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.tr-no { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--green-700); color: #fff; font-size: 12px; font-weight: 800; }
.tr-stage-head b { color: var(--ink); }
.tr-h { margin-left: auto; font-size: 13px; font-weight: 700; color: var(--green-700); }
.tr-stages ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.tr-stages ul li { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; color: var(--text-sub); padding: 4px 0; border-top: 1px dashed var(--line); }
.tr-stages em { font-style: normal; color: var(--text-muted); white-space: nowrap; }
.tr-stages em::after { content: "시간"; }
.tr-after { margin-top: 20px; padding: 14px 18px; border-radius: var(--radius-md); background: var(--green-50); color: var(--green-800); font-size: 15px; }

/* 이용 흐름도 · 역할별 카드(#flow-all 판) */
.lane-scroll { margin-top: 28px; overflow-x: auto; border-radius: var(--radius-xl); border: 1px solid var(--border); background: var(--surface); }
.lane-scroll:focus-visible { outline-offset: 4px; }
.lane-board { position: relative; display: grid; grid-template-columns: 112px repeat(5, minmax(140px, 1fr)); grid-template-rows: auto; grid-auto-rows: minmax(118px, auto);
  column-gap: 48px; row-gap: 0; padding: 16px 52px 20px 20px; min-width: 1060px; }
.lb-corner { grid-row: 1; grid-column: 1; }
.lb-phase { grid-row: 1; display: flex; align-items: center; gap: 8px; padding: 6px 0 14px; font-weight: 700; color: var(--ink); font-size: 15px; }
.lb-phase span { display: grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--green-800); color: #fff; font-size: 12px; }
.lb-lane { grid-column: 1; display: flex; flex-direction: column; justify-content: center; padding: 0 8px 0 14px; border-left: 4px solid var(--c); z-index: 4;
  position: sticky; left: 0; margin-left: -20px; background: linear-gradient(90deg, var(--surface) 85%, transparent); }
.lb-lane b { color: var(--ink); font-size: 15px; }
.lb-lane small { color: var(--text-muted); font-size: 12.5px; }
.lb-band { grid-column: 1 / -1; margin: 0 -52px 0 -20px; border-top: 1px dashed var(--line); background: color-mix(in srgb, var(--c) 4%, transparent); }
.lb-node { position: relative; z-index: 2; align-self: center; margin: 10px 0; padding: 10px 12px; border-radius: var(--radius-md); background: var(--surface);
  border: 1px solid color-mix(in srgb, var(--c) 45%, var(--surface)); border-left: 4px solid var(--c); box-shadow: var(--shadow-sm); }
.lb-node b { display: block; font-size: 14px; line-height: 1.4; color: var(--ink); }
.lb-node span { display: block; margin-top: 3px; font-size: 12.5px; line-height: 1.5; color: var(--text-sub); }
.lb-edges, .lb-tags { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: visible; }
.lb-tags { z-index: 3; }
.lb-edges path { fill: none; stroke: var(--bark); stroke-width: 1.6; opacity: .7; }
.lb-tag rect { fill: var(--sun-100); stroke: var(--sun-300); }
.lb-tag text { font: 700 11.5px var(--font-sans); fill: var(--sun-700); }
.lane-hint { display: none; margin-top: 10px; text-align: center; font-size: 13px; color: var(--text-muted); }
.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.role { display: flex; flex-direction: column; padding: 28px 24px; border-radius: var(--radius-xl); background: var(--surface); border: 1px solid var(--border); border-top: 5px solid var(--c); }
.role header b { font-size: 22px; color: var(--ink); }
.role header small { margin-left: 8px; color: var(--text-muted); font-size: 14px; }
.role-lead { margin-top: 8px; color: var(--text-sub); }
.role ol { counter-reset: r; margin: 20px 0 24px; padding: 0; list-style: none; display: grid; gap: 12px; flex: 1; }
.role li { counter-increment: r; position: relative; padding-left: 38px; }
.role li::before { content: counter(r); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%;
  background: color-mix(in srgb, var(--c) 18%, var(--surface)); color: var(--ink); font-size: 13px; font-weight: 800; }
.role li:not(:last-child)::after { content: ""; position: absolute; left: 12px; top: 30px; bottom: -10px; width: 2px; background: color-mix(in srgb, var(--c) 25%, var(--surface)); }
.role li b { display: block; color: var(--ink); }
.role li span { display: block; font-size: 14.5px; color: var(--text-sub); }

/* Campus 입장 아래 '이용 흐름 자세히 보기' */
.flow-more-grid { display: grid; gap: 16px; margin-top: 16px; }
.flow-more { display: flex; align-items: center; gap: 16px; padding: 18px 24px; border-radius: var(--radius-xl); background: var(--surface); border: 1px dashed var(--border-strong);
  cursor: pointer; transition: border-color .2s, box-shadow .2s; }
.flow-more:hover { border-color: var(--green-500); box-shadow: var(--shadow-md); }
.flow-more.on { border-style: solid; border-color: var(--green-700); box-shadow: 0 0 0 2px var(--green-700), var(--shadow-md); }
.fm-ic { flex: none; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--green-100); color: var(--green-700); }
.fm-ic svg { width: 24px; height: 24px; }
.fm-text { flex: 1; display: flex; flex-direction: column; }
.fm-text b { font-size: 17px; color: var(--ink); }
.fm-text small { font-size: 14px; color: var(--text-muted); }
.fm-arrow { flex: none; font-size: 14px; font-weight: 700; color: var(--green-700); }
.fm-arrow i { display: inline-block; font-style: normal; transition: transform .25s; }
.fm-arrow .close-t, .flow-more.on .fm-arrow .open-t { display: none; }
.flow-more.on .fm-arrow .close-t { display: inline; }
.flow-more.on .fm-arrow i { transform: rotate(180deg); }
#flow-panel .lane-scroll { margin-top: 20px; }
#flow-panel .sp-inner { padding: 24px 20px; }
#flow-panel .sp-sub { margin-top: 32px; font-size: 15px; color: var(--ink); }
.role-grid-in { margin-top: 12px; }
.role-grid-in .role { background: var(--cream); border-color: transparent; }
#flow-panel .lane-board { grid-template-columns: 108px repeat(5, minmax(130px, 1fr)); column-gap: 40px; min-width: 1020px; }

/* 서비스 상세 */
.svc-hero { padding: 40px 0 88px; background: radial-gradient(800px 380px at 85% 30%, color-mix(in srgb, var(--c) 14%, transparent), transparent 70%), var(--paper); border-bottom: 1px solid var(--border); }
.back { display: inline-block; font-size: 14px; font-weight: 600; color: var(--text-muted); text-decoration: none; }
.back:hover { color: var(--green-700); }
.svc-switch { display: flex; flex-wrap: wrap; gap: 6px; margin: 16px 0 40px; }
.svc-switch a { padding: 6px 14px; border-radius: var(--radius-full); border: 1.5px solid var(--border); background: var(--surface); font-size: 14px; font-weight: 600; color: var(--text-sub); text-decoration: none; }
.svc-switch a:hover { border-color: var(--c); color: var(--c); }
.svc-switch a[aria-current="page"] { background: var(--c); border-color: var(--c); color: #fff; }
.svc-hero-in { display: grid; grid-template-columns: 1.3fr 1fr; gap: 48px; align-items: center; }
.svc-eyebrow { font-size: 14px; font-weight: 700; color: var(--c); margin-bottom: 8px; }
.svc-title { font-size: clamp(40px, 6vw, 64px); color: var(--c); }
.svc-title small { display: block; font-size: 16px; letter-spacing: .12em; color: var(--text-muted); font-weight: 700; }
.svc-headline { margin-top: 18px; font-size: clamp(22px, 2.6vw, 28px); font-weight: 700; color: var(--ink); line-height: 1.4; }
.svc-emblem { display: grid; place-items: center; aspect-ratio: 1 / .9; border-radius: 32px; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 24px 60px rgba(44, 77, 51, .12); }
.svc-emblem svg { width: 78%; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.detail { padding: 28px 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); border-top: 4px solid var(--c); }
.detail-no { display: block; font-size: 13px; font-weight: 800; color: var(--c); margin-bottom: 10px; letter-spacing: .06em; }
.detail p { margin-top: 8px; color: var(--text-sub); font-size: 15px; }
.flow-hl li { opacity: .45; }
.flow-hl li.hit { opacity: 1; background: rgba(255,255,255,.16); border-color: var(--sun-300); }
.user-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 36px; }
.user { padding: 24px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.user b { font-size: 18px; color: var(--green-800); }
.user p { margin-top: 6px; color: var(--text-sub); font-size: 15px; }

/* 나타나기 */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .spin { animation: none; }
  .model-wrap::after { animation: none !important; }
  .svc-panel, .svc-more i, .prod-more, .tr-more i, .fm-arrow i { transition: none; }
  .sp-inner.swap { animation: none; }
}

/* 좁은 화면 */
@media (max-width: 1000px) {
  .hero-in { grid-template-columns: 1fr; gap: 64px; }
  .pico-tip { right: 12px; }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .svc, .svc:nth-child(4), .svc:nth-child(5) { grid-column: span 1; }
  .svc:nth-child(5) { grid-column: span 2; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .svc-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .svc-grid-4 .svc:nth-child(5) { grid-column: span 1; }
  .svc-hero-in { grid-template-columns: 1fr; }
  .svc-emblem { max-width: 420px; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .sp-feats { grid-template-columns: repeat(2, 1fr); }
  .sp-units, .tr-stages { grid-template-columns: repeat(2, 1fr); }
  .role-grid { grid-template-columns: 1fr; max-width: 640px; }
  .fm-text small { display: none; }
  .lane-hint { display: block; }
}
@media (max-width: 760px) {
  br.m { display: inline; }
  .sec { padding: 72px 0; }
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px; background: var(--paper); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); display: none; }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--border); }
  .nav .btn { margin-top: 12px; }
  .nav-toggle[aria-expanded="true"] i:nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] i:nth-child(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] i:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 48px 0 72px; }
  .hero-facts { gap: 20px; }
  .hero-facts b { font-size: 22px; }
  .screen-body { grid-template-columns: 1fr; }
  .screen-steps li { font-size: 11px; }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .svc-grid, .feat-grid, .enter-grid { grid-template-columns: 1fr; }
  .svc:nth-child(5) { grid-column: span 1; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid-4, .detail-grid { grid-template-columns: 1fr; }
  .svc-switch { margin-bottom: 28px; }
  .sp-inner { padding: 22px 18px; }
  .sp-feats, .sp-units, .tr-stages { grid-template-columns: 1fr; }
  .sp-steps { min-width: 0; }
  .sp-steps li { font-size: 11.5px; }
  .training, .contact-in, .foot-in { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 400px) {
  .prod-grid { grid-template-columns: 1fr; }
  .hero-cta .btn { flex: 1 1 100%; }
}