:root {
  --bg: #17191e;
  --bg-2: #1e2127;
  --bg-3: #23262d;
  --card: #20232a;
  --ink: #ffffff;
  --muted: #9298a2;
  --muted-2: #c4c9d0;
  --accent: #e9a23c;
  --accent-dark: #d8902a;
  --border: rgba(255,255,255,0.10);
  --maxw: 1180px;
  --r: 10px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Pretendard","Inter",system-ui,sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
b { color: var(--muted-2); }
.accent-text { color: var(--accent); }

.btn { display: inline-flex; align-items: center; gap: 8px; justify-content: center; font-weight: 600; font-size: .95rem; border-radius: 7px; padding: 11px 22px; border: 1px solid transparent; cursor: pointer; transition: all .18s; white-space: nowrap; font-family: inherit; }
.btn-accent { background: var(--accent); color: #1a1205; font-weight: 700; }
.btn-accent:hover { background: var(--accent-dark); }
.btn-light { background: #fff; color: #1a1205; }
.btn-light:hover { background: #e7e7e7; }
.btn-sm { padding: 8px 16px; font-size: .88rem; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(20,22,26,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.hdr-inner { max-width: 1300px; margin: 0 auto; display: flex; align-items: center; gap: 26px; height: 60px; padding: 0 26px; }
.logo { font-family: "Inter",sans-serif; font-weight: 800; font-size: 1.25rem; letter-spacing: .01em; color: #fff; display: inline-flex; align-items: center; gap: 8px; }
.logo em { font-style: normal; font-weight: 600; font-size: .95rem; color: var(--accent); }
.logo-mark { color: var(--accent); font-size: .9rem; letter-spacing: -2px; }
.nav { display: flex; gap: 22px; flex: 1; justify-content: center; }
.nav a { font-size: .92rem; font-weight: 500; color: var(--muted-2); transition: color .15s; }
.nav a:hover { color: #fff; }
.hdr-right { display: flex; align-items: center; gap: 16px; }
.hdr-link { font-size: .88rem; color: var(--muted-2); }
.hdr-link:hover { color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.nav-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }

/* Hero */
.hero { position: relative; padding: 96px 26px 84px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url(assets/ref/web/r08.jpg) center 35%/cover; opacity: .55; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,25,30,.62), rgba(23,25,30,.9) 75%, var(--bg)); }
.hero-inner { position: relative; z-index: 1; max-width: var(--maxw); margin: 0 auto; text-align: center; }
.eyebrow { font-family: "Inter",sans-serif; color: var(--accent); font-weight: 700; font-size: .85rem; letter-spacing: .14em; }
.hero-inner h1 { font-size: clamp(2.5rem, 6vw, 4.4rem); font-weight: 800; line-height: 1.08; letter-spacing: -.03em; margin: 16px 0 20px; }
.hero-inner p { color: var(--muted-2); font-size: 1.15rem; max-width: 640px; margin: 0 auto 32px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-meta { display: flex; justify-content: center; gap: 48px; margin-top: 56px; flex-wrap: wrap; }
.hero-meta div { display: flex; flex-direction: column; align-items: center; }
.hero-meta strong { font-family: "Inter",sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1; }
.hero-meta span { color: var(--muted); font-size: .85rem; margin-top: 7px; }

/* Sections */
.section { max-width: var(--maxw); margin: 0 auto; padding: 72px 26px; }
.band-alt { max-width: none; background: var(--bg-2); }
.band-alt > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.sec-title { text-align: center; font-family: "Inter",sans-serif; font-size: clamp(1.7rem, 3.4vw, 2.5rem); font-weight: 800; letter-spacing: .01em; margin-bottom: 12px; }
.sec-sub { text-align: center; color: var(--muted); font-size: 1.05rem; margin-bottom: 40px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* About */
.about-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.about-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 28px 26px; display: flex; gap: 18px; align-items: flex-start; transition: transform .2s, border-color .2s; }
.about-card:hover { transform: translateY(-3px); border-color: var(--accent); }
.ac-ic { font-size: 1.9rem; flex-shrink: 0; }
.about-card h3 { font-size: 1.12rem; margin-bottom: 7px; }
.about-card p { color: var(--muted); font-size: .94rem; }

/* Concepts */
.concept-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.concept { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; transition: transform .2s; }
.concept:hover { transform: translateY(-4px); }
.concept-thumb { aspect-ratio: 4/3; }
.c-houdini { background: url(assets/img/art-particles.svg) center/cover; }
.c-vector { background: url(assets/img/art-network.svg) center/cover; }
.c-attr { background: url(assets/img/art-grid.svg) center/cover; }
.c-render { background: url(assets/img/art-cinematic.svg) center/cover; }
.concept h3 { font-family: "Inter",sans-serif; font-size: 1.15rem; padding: 16px 18px 0; }
.concept p { color: var(--muted); font-size: .88rem; padding: 8px 18px 20px; }

/* Card row (portfolio) */
.card-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.pcard { transition: transform .2s; }
.pcard:hover { transform: translateY(-4px); }
.pthumb { aspect-ratio: 16/10; border-radius: var(--r); position: relative; overflow: hidden; margin-bottom: 14px; }
.pcard:hover .pthumb { box-shadow: 0 10px 30px rgba(0,0,0,.5); }
.ribbon { position: absolute; top: 10px; left: 10px; background: var(--accent); color: #1a1205; font-family: "Inter",sans-serif; font-weight: 800; font-size: .68rem; letter-spacing: .05em; padding: 4px 9px; border-radius: 4px; }
.pcard h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 7px; }
.pcard p { color: var(--muted); font-size: .9rem; margin-bottom: 10px; }
.pprice { font-weight: 700; font-size: .92rem; color: var(--accent); }
.p1 { background: url(assets/img/art-waves.svg) center/cover; }
.p2 { background: url(assets/img/art-facade.svg) center/cover; }
.p3 { background: url(assets/img/hero-genai.svg) center/cover; }

/* Timeline */
.timeline { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.tl { display: flex; gap: 22px; align-items: stretch; }
.tl-tag { flex: 0 0 110px; display: grid; place-items: center; background: var(--accent); color: #1a1205; font-family: "Inter",sans-serif; font-weight: 800; font-size: .85rem; letter-spacing: .06em; border-radius: var(--r); }
.tl-body { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 22px 26px; }
.tl-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.tl-body p { color: var(--muted); font-size: .94rem; margin-bottom: 10px; }
.tl-tools { font-size: .82rem; color: var(--accent); font-weight: 600; }

/* Format */
.format-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.format-item { text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 30px 18px; }
.format-item strong { display: block; font-family: "Inter",sans-serif; font-size: 2.2rem; font-weight: 800; color: var(--accent); margin-bottom: 12px; }
.format-item span { color: var(--muted-2); font-size: .92rem; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; align-items: stretch; }
.price-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 32px 28px; text-align: center; position: relative; display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.pc-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #1a1205; font-family: "Inter",sans-serif; font-weight: 800; font-size: .68rem; letter-spacing: .08em; padding: 5px 12px; border-radius: 999px; }
.pc-label { color: var(--muted); font-size: .92rem; }
.pc-amount { font-family: "Inter",sans-serif; font-size: 2.2rem; font-weight: 800; margin: 10px 0 8px; }
.price-card.featured .pc-amount { color: var(--accent); }
.price-card p { color: var(--muted); font-size: .88rem; margin-bottom: 18px; }
.price-card .btn { margin-top: auto; }

/* Requirements */
.req-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.req-box { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 28px 30px; }
.req-box h3 { font-size: 1.15rem; margin-bottom: 16px; color: var(--accent); }
.req-box ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.req-box li { color: var(--muted); font-size: .95rem; padding-left: 20px; position: relative; }
.req-box li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.req-box li b { color: #fff; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: var(--card); }
.faq-q { width: 100%; text-align: left; background: none; border: 0; cursor: pointer; font-family: inherit; padding: 19px 24px; font-size: 1rem; font-weight: 600; color: #fff; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-arrow { color: var(--accent); font-size: 1.4rem; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 24px 20px; color: var(--muted); font-size: .94rem; }

/* Apply */
.apply-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.apply-copy .eyebrow { color: var(--accent); }
.apply-copy h2 { font-size: clamp(1.9rem,4vw,2.7rem); font-weight: 800; letter-spacing: -.02em; margin: 10px 0 16px; }
.apply-copy > p { color: var(--muted); font-size: 1.05rem; }
.apply-points { list-style: none; margin: 22px 0; display: flex; flex-direction: column; gap: 11px; }
.apply-points li { position: relative; padding-left: 26px; color: var(--muted-2); }
.apply-points li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.apply-direct { color: var(--muted); margin-top: 22px; }
.apply-direct a { color: var(--accent); font-weight: 600; }
.apply-form { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 30px 28px; }
.apply-form h3 { font-size: 1.25rem; font-weight: 800; margin-bottom: 20px; }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 6px; color: var(--muted-2); }
.field label span { color: var(--accent); }
.field input, .field select, .field textarea { width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; font-size: .94rem; color: #fff; background: var(--bg-3); transition: border-color .15s; }
.field input::placeholder, .field textarea::placeholder { color: #6b7280; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field select option { background: var(--bg-3); }
.field textarea { resize: vertical; }
.consent { display: flex; gap: 9px; align-items: flex-start; font-size: .82rem; color: var(--muted); margin: 4px 0 18px; cursor: pointer; line-height: 1.45; }
.consent input { margin-top: 2px; flex-shrink: 0; accent-color: var(--accent); width: 16px; height: 16px; }
.form-submit { width: 100%; }
.form-status { margin-top: 13px; font-size: .9rem; font-weight: 600; text-align: center; }
.form-status.ok { color: #6fcf6f; } .form-status.err { color: #ff8080; }

/* Footer */
.site-footer { background: #101216; border-top: 1px solid var(--border); }
.footer-top { max-width: var(--maxw); margin: 0 auto; padding: 50px 26px 36px; display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-brand p { color: var(--muted); font-size: .88rem; margin-top: 14px; line-height: 1.7; }
.footer-col h4 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.footer-col a { display: block; color: var(--muted); font-size: .9rem; padding: 5px 0; transition: color .15s; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--border); padding: 18px 26px; max-width: var(--maxw); margin: 0 auto; display: flex; justify-content: space-between; gap: 14px; font-size: .84rem; color: #6b7480; }
.footer-contact a { color: var(--accent); }

/* ===== v2: 실무참여형 멘토링 components ===== */

/* Hero v2 */
.hero-inner .eyebrow { font-size: .78rem; letter-spacing: .18em; }
.hero-sub-strong { font-family: "Inter","Pretendard",sans-serif; font-size: clamp(1.15rem, 2.4vw, 1.5rem); font-weight: 700; color: var(--accent); margin: 22px 0 20px !important; }
.hero-desc { font-size: 1rem !important; color: var(--muted) !important; max-width: 760px !important; line-height: 1.85; }
.hero-note { margin-top: 22px; color: var(--muted); font-size: .92rem; }
.pc-br { display: inline; }

/* Prose blocks */
.prose { max-width: 760px; margin: 0 auto; text-align: center; display: flex; flex-direction: column; gap: 18px; }
.prose p { color: var(--muted); font-size: 1.02rem; line-height: 1.85; }
.prose b { color: #fff; }
.prose-strong { color: var(--muted-2) !important; font-size: 1.12rem !important; }
.prose-close { text-align: center; margin-top: 34px; color: var(--muted-2); font-size: 1.1rem; }
.prose-close b { color: var(--accent); }

/* Need chips (문제 제기) */
.need-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 34px; max-width: 860px; margin-left: auto; margin-right: auto; }
.need { background: var(--card); border: 1px solid var(--border); border-radius: 999px; padding: 12px 22px; font-size: .95rem; color: var(--muted-2); }
.need::before { content: "✕ "; color: var(--accent); font-weight: 800; }

/* Pipeline (과정 소개) */
.pipeline { display: flex; align-items: stretch; justify-content: center; gap: 14px; margin: 36px auto; max-width: 1000px; }
.pipe-step { flex: 1; background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 16px 16px 22px; text-align: center; }
.pipe-thumb { aspect-ratio: 16/9; border-radius: 8px; margin-bottom: 16px; background-position: center; background-size: cover; }
.pt-bl { background-image: url(assets/ref/web/r07.jpg); }
.pt-hd { background-image: url(assets/ref/web/r09.jpg); }
.pt-ae { background-image: url(assets/ref/web/r04.jpg); }
.pipe-tool { display: block; font-family: "Inter",sans-serif; font-weight: 800; font-size: 1.15rem; color: var(--accent); margin-bottom: 8px; }
.pipe-step p { color: var(--muted); font-size: .92rem; }
.pipe-arrow { align-self: center; color: var(--accent); font-size: 1.6rem; font-weight: 800; }

/* Reference banners & option visuals */
.ref-banner { max-width: 900px; margin: 40px auto 0; aspect-ratio: 21/9; border-radius: 12px; background-position: center; background-size: cover; border: 1px solid var(--border); }
.rb-goal { background-image: url(assets/ref/web/r11.jpg); }
.opt-visual { aspect-ratio: 21/6; background-position: center; background-size: cover; }
.ov1 { background-image: url(assets/ref/web/r02.jpg); background-position: center 40%; }
.ov2 { background-image: url(assets/ref/web/r05.jpg); }
.ov3 { background-image: url(assets/ref/web/r06.jpg); background-position: center 30%; }

/* Trust split */
.trust-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: center; max-width: 1000px; margin: 0 auto; }
.trust-visual { aspect-ratio: 3/4; border-radius: 12px; background: url(assets/ref/web/r01.jpg) center/cover; border: 1px solid var(--border); }
.trust-copy { text-align: left; }

/* Goal grid (욕망 자극) */
.goal-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; max-width: 900px; margin: 0 auto; }
.goal-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 20px 24px; color: var(--muted); font-size: .96rem; position: relative; padding-left: 52px; }
.goal-item::before { content: "✓"; position: absolute; left: 22px; top: 19px; color: var(--accent); font-weight: 800; font-size: 1.1rem; }
.goal-item b { color: #fff; }

/* Location */
.loc-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: center; max-width: 1000px; margin: 0 auto; }
.loc-visual { aspect-ratio: 4/3; border-radius: 12px; background: url(assets/ref/web/r10.jpg) center/cover; }
.loc-copy { display: flex; flex-direction: column; gap: 16px; }
.loc-copy p { color: var(--muted); line-height: 1.8; }
.loc-copy b { color: #fff; }
.loc-highlight { color: var(--accent) !important; font-weight: 600; }

/* Option cards (과정 선택) */
.option { border: 1px solid var(--border); border-radius: 16px; background: var(--card); margin-top: 34px; overflow: hidden; }
.option.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); position: relative; }
.option.featured::after { content: "MOST POPULAR"; position: absolute; top: 18px; right: -34px; transform: rotate(45deg); background: var(--accent); color: #1a1205; font-family: "Inter",sans-serif; font-weight: 800; font-size: .62rem; letter-spacing: .08em; padding: 5px 40px; }
.opt-head { padding: 30px 34px 6px; }
.opt-num { font-family: "Inter",sans-serif; font-weight: 800; font-size: .74rem; letter-spacing: .14em; color: var(--accent); }
.opt-head h3 { font-family: "Inter","Pretendard",sans-serif; font-size: 1.5rem; font-weight: 800; margin: 8px 0 4px; }
.opt-head h3 small { display: block; font-size: .95rem; font-weight: 600; color: var(--muted-2); margin-top: 4px; }
.opt-copy { color: var(--accent); font-weight: 700; font-size: 1.08rem; margin-top: 10px; }
.opt-body { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; padding: 22px 34px 32px; }
.opt-col h4 { font-size: .82rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin: 18px 0 10px; }
.opt-col h4:first-child { margin-top: 0; }
.opt-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.opt-col li { color: var(--muted); font-size: .93rem; padding-left: 18px; position: relative; }
.opt-col li::before { content: "›"; position: absolute; left: 0; color: var(--accent); font-weight: 800; }
.opt-desc { color: var(--muted); font-size: .93rem; line-height: 1.75; margin-top: 14px; }
.opt-desc b { color: #fff; }
.opt-prices { display: flex; flex-direction: column; gap: 10px; margin: 18px 0 14px; }
.opt-price { display: flex; align-items: baseline; gap: 14px; background: var(--bg-3); border: 1px solid var(--border); border-radius: 9px; padding: 13px 18px; flex-wrap: wrap; }
.opt-price.hot { border-color: var(--accent); }
.opt-price strong { font-size: .85rem; color: var(--muted-2); min-width: 74px; }
.opt-amount { font-family: "Inter","Pretendard",sans-serif; font-weight: 800; font-size: 1.15rem; color: #fff; }
.opt-price.hot .opt-amount { color: var(--accent); }
.opt-amount.strike { text-decoration: line-through; color: var(--muted); font-weight: 600; }
.opt-price small { flex-basis: 100%; color: var(--muted); font-size: .8rem; }
.opt-note { color: var(--muted); font-size: .86rem; line-height: 1.7; margin-bottom: 16px; }
.option .btn { width: 100%; }

/* Compare table */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare { width: 100%; min-width: 760px; border-collapse: collapse; font-size: .92rem; }
.compare th, .compare td { padding: 14px 16px; border: 1px solid var(--border); text-align: left; vertical-align: top; }
.compare thead th { background: var(--bg-3); font-family: "Inter","Pretendard",sans-serif; font-weight: 800; color: #fff; }
.compare tbody th { background: var(--bg-3); color: var(--muted-2); font-weight: 700; white-space: nowrap; }
.compare td { color: var(--muted); }
.compare .hl { background: rgba(233,162,60,.07); color: var(--muted-2); }
.compare thead .hl { color: var(--accent); }

/* CTA band */
.cta-band { max-width: none; background: linear-gradient(rgba(23,25,30,.82), rgba(23,25,30,.92)), url(assets/ref/web/r03.jpg) center/cover; text-align: center; }
.cta-band > * { max-width: var(--maxw); margin-left: auto; margin-right: auto; }
.cta-band .hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* Warning box */
.warn-box { max-width: 800px; margin: 0 auto; border: 1px solid var(--accent); border-radius: 14px; padding: 40px 42px; text-align: center; background: rgba(233,162,60,.05); }
.warn-box h2 { font-family: "Inter","Pretendard",sans-serif; font-size: 1.5rem; font-weight: 800; margin-bottom: 18px; color: var(--accent); }
.warn-box p { color: var(--muted); line-height: 1.85; margin-bottom: 14px; }
.warn-box b { color: #fff; }

/* Results */
.result-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.result { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 28px 26px; transition: transform .2s, border-color .2s; }
.result:hover { transform: translateY(-3px); border-color: var(--accent); }
.r-num { font-family: "Inter",sans-serif; font-weight: 800; color: var(--accent); font-size: .85rem; letter-spacing: .1em; }
.result h3 { font-size: 1.08rem; margin: 10px 0 8px; }
.result p { color: var(--muted); font-size: .9rem; }

/* Who grid */
.who-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.who-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 20px 22px; color: var(--muted); font-size: .93rem; position: relative; padding-left: 46px; }
.who-item::before { content: "→"; position: absolute; left: 20px; top: 19px; color: var(--accent); font-weight: 800; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s, transform .6s; }
.reveal.in { opacity: 1; transform: none; }

/* v2 responsive */
@media (max-width: 980px) {
  .goal-grid { grid-template-columns: 1fr; }
  .loc-grid { grid-template-columns: 1fr; gap: 24px; }
  .opt-body { grid-template-columns: 1fr; gap: 20px; }
  .result-grid, .who-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .trust-grid { grid-template-columns: 1fr; gap: 24px; }
  .trust-visual { aspect-ratio: 16/10; }
  .trust-copy { text-align: center; }
}
@media (max-width: 760px) {
  .pc-br { display: none; }
  .pipeline { flex-direction: column; }
  .pipe-arrow { transform: rotate(90deg); }
  .ref-banner { aspect-ratio: 16/9; }
  .opt-visual { aspect-ratio: 16/7; }
  .result-grid, .who-grid { grid-template-columns: 1fr; }
  .opt-head { padding: 24px 22px 2px; }
  .opt-body { padding: 18px 22px 26px; }
  .option.featured::after { display: none; }
  .warn-box { padding: 30px 24px; }
}

/* Responsive */
@media (max-width: 980px) {
  .nav { display: none; }
  .concept-grid { grid-template-columns: repeat(2,1fr); }
  .card-row, .format-grid, .price-grid { grid-template-columns: 1fr; }
  .about-grid, .req-cols, .apply-grid { grid-template-columns: 1fr; gap: 22px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: flex; }
  .nav { position: fixed; top: 60px; left: 0; right: 0; display: flex; flex-direction: column; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--border); padding: 8px 0; transform: translateY(-130%); transition: transform .3s; }
  .nav.open { transform: none; }
  .nav a { padding: 13px 26px; }
  .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.active span:nth-child(2) { opacity: 0; }
  .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero-meta { gap: 30px; }
  .format-grid { grid-template-columns: 1fr 1fr; }
  .tl { flex-direction: column; gap: 0; }
  .tl-tag { flex: none; padding: 10px; border-radius: var(--r) var(--r) 0 0; }
  .tl-body { border-radius: 0 0 var(--r) var(--r); }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 460px) { .concept-grid { grid-template-columns: 1fr; } .format-grid { grid-template-columns: 1fr; } }