/* ==========================================================
   그로스파트너 (G4P) — style
   ========================================================== */
:root {
  --bg: #f7f8fb;
  --bg-tint: #eef1f8;
  --surface: #ffffff;
  --ink: #0d1226;
  --ink-2: #3b4258;
  --muted: #7a8199;
  --line: #e3e7f0;
  --primary: #3a5bff;
  --mint: #19d3a2;
  --violet: #7b5cff;
  --grad: linear-gradient(110deg, #3a5bff 0%, #7b5cff 45%, #19d3a2 100%);
  --radius: 22px;
  --shadow: 0 1px 2px rgba(13, 18, 38, .04), 0 12px 40px -12px rgba(13, 18, 38, .14);
  --shadow-lg: 0 30px 80px -24px rgba(58, 91, 255, .35);
  --ease: cubic-bezier(.2, .8, .2, 1);
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: -0.01em;
  word-break: keep-all;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; line-height: 1.25; letter-spacing: -0.03em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 820px; }
.muted { color: var(--muted); }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pc { display: inline; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 52px; padding: 0 26px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: 15.5px; cursor: pointer; white-space: nowrap;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--ink); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.btn--primary::before { content: ""; position: absolute; inset: 0; background: var(--grad); opacity: 0; transition: opacity .35s; z-index: -1; }
.btn--primary:hover { box-shadow: var(--shadow-lg); }
.btn--primary:hover::before { opacity: 1; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--ghost { background: rgba(255, 255, 255, .7); border-color: var(--line); backdrop-filter: blur(8px); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: fixed; inset: 0 0 auto; height: var(--header-h); z-index: 50;
  transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.header.is-scrolled { background: rgba(247, 248, 251, .78); backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px); box-shadow: 0 1px 0 var(--line); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo__mark { width: 36px; height: 36px; }
.logo__text { font-weight: 800; font-size: 18px; letter-spacing: -0.03em; display: flex; align-items: baseline; gap: 6px; }
.logo__text small { font-size: 11px; font-weight: 700; color: var(--muted); letter-spacing: .08em; }
.nav { display: flex; align-items: center; gap: 30px; font-size: 15px; font-weight: 600; color: var(--ink-2); }
.nav a:not(.btn) { position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--grad); transform: scaleX(0); transition: transform .3s var(--ease); }
.nav a:not(.btn):hover { color: var(--ink); }
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.burger { display: none; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease); }
.burger span:first-child { top: 17px; }
.burger span:last-child { top: 25px; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 80px; overflow: hidden;
  background:
    radial-gradient(60% 50% at 80% 30%, rgba(123, 92, 255, .10), transparent 70%),
    radial-gradient(50% 40% at 70% 80%, rgba(25, 211, 162, .10), transparent 70%),
    var(--bg);
}
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero__inner { position: relative; z-index: 1; pointer-events: none; }
.hero__inner a, .hero__inner button { pointer-events: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .8); border: 1px solid var(--line); font-size: 13px; font-weight: 700; letter-spacing: .04em; color: var(--ink-2); backdrop-filter: blur(6px); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(25, 211, 162, .18); animation: pulse 2s infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(25, 211, 162, 0); } }
.hero__title { margin-top: 22px; font-size: clamp(40px, 6.4vw, 84px); font-weight: 800; line-height: 1.12; letter-spacing: -0.045em; }
.hero__lead { margin-top: 24px; max-width: 560px; font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-2); }
.hero__actions { margin-top: 36px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero__chips { margin-top: 56px; display: flex; gap: 12px; flex-wrap: wrap; }
.hero__chips li { padding: 14px 20px; border-radius: 18px; background: rgba(255, 255, 255, .72); border: 1px solid rgba(227, 231, 240, .9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--shadow); }
.hero__chips strong { display: block; font-size: 20px; font-weight: 800; letter-spacing: -0.03em; }
.hero__chips span { font-size: 13px; color: var(--muted); }
.scroll-hint { position: absolute; left: 50%; bottom: 28px; width: 26px; height: 42px; margin-left: -13px; border: 2px solid rgba(13, 18, 38, .25); border-radius: 14px; z-index: 1; }
.scroll-hint span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--ink); animation: wheel 1.8s infinite; }
@keyframes wheel { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line); background: var(--surface); padding: 18px 0; }
.marquee__track { display: flex; width: max-content; animation: marquee 34s linear infinite; }
.marquee__track span { padding: 0 28px; font-size: 18px; font-weight: 700; color: var(--ink-2); white-space: nowrap; display: flex; align-items: center; gap: 56px; }
.marquee__track span::after { content: "✦"; color: var(--primary); font-size: 14px; margin-left: 28px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: 130px 0; position: relative; }
.section--tint { background: var(--bg-tint); }
.section--dark { background: var(--ink); color: #fff; overflow: hidden; }
.section__head { text-align: center; margin-bottom: 64px; }
.section__head h2, .about h2, .contact h2 { font-size: clamp(30px, 3.8vw, 48px); font-weight: 800; }
.section__desc { margin: 18px auto 0; max-width: 620px; color: var(--ink-2); font-size: 17px; }
.kicker { display: inline-block; margin-bottom: 14px; font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.grid { display: grid; gap: 20px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* 3D tilt base */
.tilt { transform-style: preserve-3d; transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .3s; will-change: transform; }
.tilt.is-tilting { transition: transform .08s linear, box-shadow .5s var(--ease); }

/* Problem cards */
.qcard { padding: 32px 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.qcard::after { content: ""; position: absolute; inset: auto -40% -60% auto; width: 200px; height: 200px; border-radius: 50%; background: var(--grad); opacity: .08; filter: blur(10px); transition: opacity .4s; }
.qcard:hover::after { opacity: .2; }
.qcard__no { font-size: 13px; font-weight: 800; color: var(--primary); letter-spacing: .1em; }
.qcard h3 { margin: 14px 0 12px; font-size: 20px; font-weight: 800; }
.qcard p { color: var(--ink-2); font-size: 15px; }

/* About */
.about { margin-top: 110px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: center; }
.about__text > p:not(.kicker) { margin-top: 22px; color: var(--ink-2); font-size: 17px; }
.checks { margin-top: 28px; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; font-weight: 600; }
.checks li::before { content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--grad); }
.checks li::after { content: ""; position: absolute; left: 6px; top: 8px; width: 8px; height: 5px; border: solid #fff; border-width: 0 0 2px 2px; transform: rotate(-45deg); }
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; perspective: 1000px; }
.svc { padding: 24px 20px; border-radius: 20px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 6px; }
.svc i { font-style: normal; font-size: 28px; margin-bottom: 8px; transform: translateZ(30px); }
.svc b { font-size: 16.5px; }
.svc span { font-size: 13.5px; color: var(--muted); line-height: 1.5; }
.svc:hover { border-color: rgba(58, 91, 255, .35); }

/* ---------- Plans ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; perspective: 1400px; }
.plan {
  position: relative; display: flex; flex-direction: column; padding: 36px 32px 32px;
  border-radius: 28px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
}
.plan header h3 { font-size: 22px; font-weight: 800; letter-spacing: -0.02em; }
.plan__for { margin-top: 6px; font-size: 14.5px; color: var(--muted); min-height: 2.9em; }
.plan__price { margin: 22px 0 24px; padding-bottom: 24px; border-bottom: 1px dashed var(--line); font-size: 18px; font-weight: 700; display: flex; align-items: baseline; gap: 4px; flex-wrap: wrap; transform: translateZ(40px); }
.plan__price b { font-size: 56px; font-weight: 800; letter-spacing: -0.05em; line-height: 1; }
.plan__price > span { margin-left: 4px; font-size: 15px; color: var(--muted); font-weight: 600; }
.plan__price .period { margin-left: auto; padding: 5px 12px; border-radius: 999px; background: var(--bg-tint); color: var(--ink-2); font-size: 13px; font-weight: 700; align-self: center; }
.plan__list { display: grid; gap: 12px; margin-bottom: 30px; flex: 1; align-content: start; }
.plan__list li { position: relative; padding-left: 26px; font-size: 15px; color: var(--ink-2); }
.plan__list li::before { content: ""; position: absolute; left: 2px; top: 6px; width: 12px; height: 7px; border: solid var(--primary); border-width: 0 0 2.5px 2.5px; transform: rotate(-45deg); }
.plan__list b { color: var(--ink); }
.plan--hot { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: var(--shadow-lg); }
.plan--hot::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1.5px; background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.plan--hot .plan__for, .plan--hot .plan__price > span { color: rgba(255, 255, 255, .6); }
.plan--hot .plan__price { border-color: rgba(255, 255, 255, .15); }
.plan--hot .plan__price b { background: linear-gradient(110deg, #fff, #b9c6ff 50%, #8ff0d4); -webkit-background-clip: text; background-clip: text; color: transparent; }
.plan--hot .plan__price .period { background: rgba(255, 255, 255, .1); color: #fff; }
.plan--hot .plan__list li { color: rgba(255, 255, 255, .82); }
.plan--hot .plan__list li::before { border-color: var(--mint); }
.plan--hot .plan__list b { color: #fff; }
.plan--hot .btn--primary { background: #fff; color: var(--ink); }
.plan--hot .btn--primary:hover { color: #fff; }
.plan__badge { position: absolute; top: 22px; right: 22px; padding: 6px 12px; border-radius: 999px; background: var(--grad); color: #fff; font-size: 12px; font-weight: 800; }
.note { margin-top: 22px; text-align: center; font-size: 13.5px; color: var(--muted); }

.mk-detail { margin-top: 80px; display: grid; grid-template-columns: 1fr 1fr 1.15fr; gap: 20px; }
.mk-box { padding: 30px 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.mk-box h3 { font-size: 18px; font-weight: 800; display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.mk-box h3 i { font-style: normal; }
.steps-mini { counter-reset: s; display: grid; gap: 14px; }
.steps-mini li { counter-increment: s; position: relative; padding-left: 40px; font-size: 14px; color: var(--muted); }
.steps-mini li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 9px; background: var(--bg-tint); color: var(--primary); font-weight: 800; font-size: 13px; display: grid; place-items: center; }
.steps-mini b { display: block; color: var(--ink); font-size: 15px; }
.compare { width: 100%; border-collapse: collapse; font-size: 14px; }
.compare th, .compare td { padding: 11px 6px; border-bottom: 1px solid var(--line); text-align: left; }
.compare thead th { font-size: 13px; color: var(--muted); font-weight: 700; }
.compare thead th:last-child { color: var(--primary); }
.compare tbody th { font-weight: 600; color: var(--ink-2); white-space: nowrap; }
.compare td { color: var(--muted); }
.compare td:last-child { color: var(--ink); font-weight: 700; }
.compare tr:last-child > * { border-bottom: 0; }

/* ---------- Tabs ---------- */
.tabs { position: relative; display: flex; width: max-content; margin: 0 auto 48px; padding: 6px; border-radius: 999px; background: var(--bg-tint); border: 1px solid var(--line); }
.tab { position: relative; z-index: 1; height: 46px; padding: 0 30px; border: 0; background: none; border-radius: 999px; font-weight: 700; color: var(--muted); cursor: pointer; transition: color .3s; }
.tab.is-active { color: #fff; }
.tabs__pill { position: absolute; top: 6px; bottom: 6px; left: 6px; border-radius: 999px; background: var(--ink); transition: transform .45s var(--ease), width .45s var(--ease); }
.tabpanel[hidden] { display: none; }
.tabpanel.is-active .plan { animation: rise .7s var(--ease) both; }
.tabpanel.is-active .plan:nth-child(2) { animation-delay: .08s; }
.tabpanel.is-active .plan:nth-child(3) { animation-delay: .16s; }
@keyframes rise { from { opacity: 0; transform: translateY(30px) rotateX(10deg); } }
.plans--mvp .plan__price b { font-size: 48px; }



.terms { margin-top: 56px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--line); }
.terms summary { padding: 22px 28px; font-weight: 700; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.terms summary::-webkit-details-marker { display: none; }
.terms summary::after, .faq summary::after { content: "+"; font-size: 24px; font-weight: 400; color: var(--muted); transition: transform .3s var(--ease); }
.terms[open] summary::after, .faq details[open] summary::after { transform: rotate(45deg); }
.terms__grid { padding: 0 28px 28px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; }
.terms dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.terms dt { font-size: 13px; font-weight: 700; color: var(--muted); }
.terms dd { margin: 2px 0 0; font-size: 14.5px; }
.terms__extra { padding: 20px; border-radius: 16px; background: var(--bg-tint); font-size: 14px; color: var(--ink-2); }
.terms__extra b { display: block; margin-bottom: 6px; color: var(--ink); }

/* ---------- Process (dark) ---------- */
.section--dark::before { content: ""; position: absolute; inset: -30% -10% auto auto; width: 700px; height: 700px; border-radius: 50%; background: radial-gradient(circle, rgba(123, 92, 255, .35), transparent 65%); pointer-events: none; }
.section--dark .section__head h2 { color: #fff; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.process li { padding: 34px 28px; border-radius: var(--radius); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); backdrop-filter: blur(6px); transition: background .4s, transform .4s var(--ease); }
.process li:hover { background: rgba(255, 255, 255, .09); transform: translateY(-6px); }
.process em { font-style: normal; font-size: 54px; font-weight: 800; line-height: 1; letter-spacing: -0.05em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.process b { display: block; margin-top: 22px; font-size: 22px; }
.process p { margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .62); }

/* ---------- Portfolio ---------- */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; perspective: 1400px; }
.work { border-radius: 26px; overflow: hidden; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); }
.work:hover { box-shadow: var(--shadow-lg); border-color: rgba(58, 91, 255, .3); }
.work__img { aspect-ratio: 5 / 3; overflow: hidden; background: var(--bg-tint); }
.work__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.work:hover .work__img img { transform: scale(1.06); }
.work__body { padding: 22px 26px 26px; }
.work__tag { display: inline-block; padding: 4px 11px; border-radius: 999px; background: var(--bg-tint); color: var(--primary); font-size: 12px; font-weight: 700; }
.work h3 { margin-top: 12px; font-size: 21px; font-weight: 800; }
.work p { margin-top: 4px; font-size: 14.5px; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq details { border-radius: 18px; background: var(--surface); border: 1px solid var(--line); transition: box-shadow .3s; }
.faq details[open] { box-shadow: var(--shadow); }
.faq summary { padding: 22px 26px; font-weight: 700; font-size: 16.5px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq details p { padding: 0 26px 24px; color: var(--ink-2); font-size: 15.5px; }

/* ---------- Contact ---------- */
.contact { overflow: hidden; }
.contact__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: .9; }
.contact__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.contact__text > p:not(.kicker) { margin-top: 20px; font-size: 17px; color: var(--ink-2); }
.contact__info { margin-top: 32px; display: grid; gap: 10px; }
.contact__info li { display: flex; gap: 16px; font-weight: 700; }
.contact__info span { width: 56px; color: var(--muted); font-weight: 600; font-size: 14px; padding-top: 1px; }
.form { padding: 36px; border-radius: 28px; background: rgba(255, 255, 255, .82); border: 1px solid rgba(255, 255, 255, .9); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); box-shadow: var(--shadow-lg); display: grid; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: grid; gap: 8px; font-size: 13.5px; font-weight: 700; color: var(--ink-2); }
.form input, .form select, .form textarea { width: 100%; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: #fff; font-size: 15px; font-weight: 500; outline: none; transition: border-color .2s, box-shadow .2s; }
.form textarea { resize: vertical; min-height: 110px; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(58, 91, 255, .12); }
.form .is-invalid { border-color: #e5484d; }
.form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__msg.is-error { color: #e5484d; }
.form__msg { min-height: 1.4em; font-size: 14px; text-align: center; color: var(--primary); font-weight: 600; }

/* ---------- Footer ---------- */
.footer { padding: 36px 0; border-top: 1px solid var(--line); background: var(--surface); font-size: 14px; }
.footer__inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 40px; }
  .mk-detail { grid-template-columns: 1fr 1fr; }
  .mk-box--compare { grid-column: 1 / -1; }
  .process { grid-template-columns: repeat(2, 1fr); }
  .works { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .nav {
    position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    padding: 12px 20px 24px; background: rgba(247, 248, 251, .97); backdrop-filter: blur(16px); box-shadow: 0 20px 40px -20px rgba(13, 18, 38, .2);
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all .3s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid var(--line); font-size: 16px; }
  .nav a:not(.btn)::after { display: none; }
  .nav__cta { margin-top: 16px; height: 50px; }
  .burger { display: block; }
  .header { background: rgba(247, 248, 251, .85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
  .plans { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .contact__inner { grid-template-columns: 1fr; gap: 40px; }
  .terms__grid { grid-template-columns: 1fr; }
  .hero { align-items: flex-end; }
  .pc { display: none; }
}
@media (max-width: 600px) {
  :root { --header-h: 64px; }
  .container { padding: 0 16px; }
  .section { padding: 90px 0; }
  .section__head { margin-bottom: 44px; }
  .grid--4, .services, .mk-detail, .process, .works { grid-template-columns: 1fr; }
  .services { grid-template-columns: 1fr 1fr; }
  .hero { padding-bottom: 96px; }
  .hero__chips { margin-top: 36px; gap: 8px; }
  .hero__chips li { padding: 10px 14px; border-radius: 14px; }
  .hero__chips strong { font-size: 16px; }
  .hero__chips span { font-size: 12px; }
  .hero__actions .btn { flex: 1; padding: 0 16px; }
  .plan { padding: 30px 24px 26px; }
  .terms dl { grid-template-columns: 1fr; }
  .form { padding: 24px 20px; }
  .form__row { grid-template-columns: 1fr; }
  .tab { padding: 0 22px; }
  .compare { font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}