:root {
  --purple: #7c35f8;
  --purple-light: #ba93ff;
  --dark: #13111c;
  --ink: #171824;
  --muted: #696c74;
  --soft: #efe8ff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -.025em;
  word-break: keep-all;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section-dark { color: #fff; background: var(--dark); }
.light-gradient { background: linear-gradient(180deg, #fff 0%, #e8deff 100%); }
.section-head { max-width: 900px; margin: 0 auto 50px; text-align: center; }
.section-head h2,
.worry-title h2,
.comp-copy h2,
.all-head h2,
.support-grid h2,
.contact-heading h2 {
  margin: 0;
  font-size: clamp(38px, 4.2vw, 60px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.055em;
}
.section-head h2 span { color: var(--purple); }
.section-head p { margin: 16px 0 0; color: var(--muted); font-size: 20px; line-height: 1.55; }

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 50;
  display: flex;
  width: min(var(--max), calc(100% - 32px));
  height: 68px;
  padding: 0 17px 0 24px;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  border: 1px solid rgba(19,17,28,.08);
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 16px 50px rgba(19,17,28,.13);
  backdrop-filter: blur(18px);
}
.brand img { width: 169px; height: 39px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 26px; font-size: 15px; font-weight: 700; }
.site-header .tel { padding: 11px 17px; color: #fff; border-radius: 999px; background: var(--purple); }

.hero { min-height: 860px; padding: 150px 0 96px; overflow: hidden; background: #12111b; }
.hero-inner { display: flex; flex-direction: column; align-items: flex-start; }
.hero-kicker { margin: 0 0 28px; color: rgba(255,255,255,.8); font-size: clamp(18px, 2vw, 24px); font-weight: 500; }
.hero h1 { width: min(970px, 100%); margin: 0; }
.hero h1 img { width: 100%; }
.hero-lead { max-width: 940px; margin: 40px 0 0; color: rgba(255,255,255,.83); font-size: clamp(19px, 2.25vw, 28px); font-weight: 500; line-height: 1.5; text-align: left; }
.notice { color: #fff; background: var(--purple); }
.notice-inner { display: flex; min-height: 88px; align-items: center; justify-content: space-between; gap: 24px; font-size: 20px; }
.notice strong { font-weight: 600; }
.notice a { padding: 14px 20px; color: var(--dark); border-radius: 12px; background: #fff; font-weight: 700; }

.worries { padding: 108px 0; background: #12111b; }
.worry-title { margin-bottom: 48px; text-align: center; }
.worry-title h2 { color: #fff; }
.worry-title h2 span { position: relative; color: #fff; }
.worry-title h2 span::after,
.comp-copy h2 span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -5px;
  height: 5px;
  border-radius: 4px;
  background: var(--purple-light);
}
.worry-title p { margin: 14px 0 0; color: var(--purple-light); font-size: clamp(23px, 3vw, 36px); font-weight: 800; }
.worry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.worry-grid div {
  position: relative;
  min-height: 78px;
  padding: 24px 28px 24px 78px;
  border-radius: 18px;
  background: #3b3943;
  font-size: 21px;
  font-weight: 600;
}
.worry-grid div::before {
  content: "?";
  position: absolute;
  top: 19px;
  left: 24px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: var(--purple);
  border-radius: 6px;
  background: var(--soft);
  font-size: 24px;
  font-weight: 800;
}

.recommend { padding: 108px 0; color: #fff; background: linear-gradient(145deg, #151220, #261d4e); }
.recommend .section-head h2 { color: #fff; }
.inverse p { color: rgba(255,255,255,.72); }
.case-grid, .brand-cards, .example-grid, .offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-grid article {
  padding: 28px;
  color: var(--ink);
  border-radius: 24px;
  background: rgba(255,255,255,.87);
  box-shadow: 0 25px 70px rgba(8,5,18,.18);
}
.case-grid article > span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 7px 12px;
  color: #fff;
  border-radius: 999px;
  background: var(--purple);
  font-size: 13px;
  font-weight: 800;
}
.case-grid img { width: 100%; height: 180px; margin: 4px 0 14px; object-fit: contain; }
.case-grid h3 { margin: 0 0 10px; font-size: 25px; }
.case-grid p { margin: 0; color: #50505b; font-size: 17px; line-height: 1.55; }
.case-grid em { color: #7339ef; font-style: normal; font-weight: 800; }
.case-grid b { color: var(--ink); font-weight: 700; }

.strength { padding: 112px 0 68px; }
.strength-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.strength-grid article {
  position: relative;
  display: grid;
  min-height: 330px;
  padding: 32px;
  grid-template-columns: 1.1fr .9fr;
  overflow: hidden;
  color: #fff;
  border-radius: 28px;
  background: linear-gradient(145deg, #13111c, #402e91);
  box-shadow: 0 20px 55px rgba(57,38,110,.16);
}
.strength-copy { position: relative; z-index: 2; }
.strength-grid h3 { margin: 0 0 14px; font-size: 30px; line-height: 1.15; }
.strength-grid p { margin: 0; color: #fff; font-size: 16px; line-height: 1.58; }
.strength-grid .arrow { width: 46px; height: 46px; margin-top: 24px; }
.strength-art { position: absolute; right: -18px; bottom: -22px; width: 48%; max-height: 245px; object-fit: contain; object-position: right bottom; }

.products { padding: 68px 0 112px; }
.products .section-head p { color: #9862fa; }
.brand-cards article {
  padding: 30px;
  color: #fff;
  border-radius: 24px;
  background: #312f33;
  box-shadow: 0 22px 60px rgba(70,45,126,.12);
}
.brand-cards span {
  display: inline-flex;
  margin-bottom: 20px;
  padding: 8px 13px;
  color: var(--purple);
  border-radius: 999px;
  background: var(--soft);
  font-size: 14px;
  font-weight: 700;
}
.brand-cards h3 { margin: 0 0 12px; font-size: 27px; }
.brand-cards p { margin: 0; color: #fff; line-height: 1.6; }
.chips { display: flex; margin-top: 30px; flex-wrap: wrap; justify-content: center; gap: 11px; }
.chips span { padding: 13px 18px; color: #fff; border-radius: 999px; background: var(--purple); font-weight: 700; }

.comparison, .process { padding: 112px 0; }
.process { padding-top: 40px; }
.comp-grid { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 56px; }
.comp-copy h2 { font-weight: 800; }
.comp-copy h2 span { position: relative; display: inline-block; }
.comp-copy p { margin: 25px 0 0; color: #e6e5e6; font-size: 20px; line-height: 1.65; }
.feature-image { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 30px 70px rgba(0,0,0,.2)); }

.platform-model { padding: 112px 0; background: #fff; }
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.model-grid article { padding: 30px; border-radius: 28px; }
.model-large { background: var(--soft); }
.model-medium { background: #e8e5e9; }
.model-grid h3 { margin: 0 0 20px; font-size: 26px; }
.model-inside { min-height: 335px; padding: 24px; border-radius: 20px; background: #fff; }
.node, .two span { display: block; padding: 18px; text-align: center; border: 1px solid #e5dcef; border-radius: 14px; background: #fff; }
.node b, .two b { font-weight: 700; }
.node small, .two small { display: block; margin-top: 6px; color: var(--muted); font-weight: 400; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.connector { width: 2px; height: 22px; margin: 0 auto; background: #c9b2ef; }
.model-grid ul { margin: 22px 0 0; padding: 0; list-style: none; }
.model-grid li { margin: 9px 0; color: #50505b; font-size: 15px; line-height: 1.45; }
.model-grid li strong { color: #f00; }
.model-grid li.point { color: var(--purple); font-weight: 700; }

.sales-support { overflow: hidden; color: #fff; background: linear-gradient(145deg, #13111c, #402e91); }
.support-grid { display: grid; min-height: 580px; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 36px; }
.support-grid h2 { font-size: clamp(40px, 4.4vw, 62px); }
.support-grid p { margin: 24px 0 0; color: var(--purple-light); font-size: 22px; line-height: 1.65; }
.support-grid img { align-self: end; width: 100%; max-height: 520px; object-fit: contain; object-position: center bottom; }

.examples { padding: 112px 0; }
.example-grid { grid-template-columns: repeat(2, 1fr); }
.example-grid article { overflow: hidden; border-radius: 24px; background: #fff; box-shadow: 0 22px 60px rgba(69,45,120,.12); }
.example-grid article > img { width: 100%; aspect-ratio: 1263 / 625; object-fit: cover; }
.example-grid article > div { padding: 22px 24px 24px; }
.example-grid small { display: block; margin-bottom: 7px; color: #50505b; font-size: 16px; }
.example-grid h3 { margin: 0; color: #171824; font-size: 25px; }
.mock-title { margin: 82px 0 28px; text-align: center; font-size: clamp(34px, 4vw, 48px); }
.mock-title span { color: var(--purple); }
.mockups { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.mockups img { border-radius: 18px; background: #fff; box-shadow: 0 18px 45px rgba(19,17,28,.12); }

.all-in-one { padding: 112px 0; }
.all-head { max-width: 920px; margin: 0 auto 50px; text-align: center; }
.all-head h2 { color: #fff; font-weight: 900; }
.all-head p { margin: 20px auto 0; color: var(--purple-light); font-size: 20px; line-height: 1.65; }
.offer-grid article { position: relative; min-height: 480px; padding: 30px 26px 0; overflow: hidden; color: #070014; border-radius: 28px; background: #fff; text-align: center; }
.offer-grid article > span { display: inline-flex; padding: 9px 16px; color: #fff; border-radius: 999px; background: var(--purple); font-weight: 600; }
.offer-grid h3 { margin: 22px 0 0; color: var(--muted); font-size: 18px; font-weight: 600; line-height: 1.55; }
.offer-grid h3 b { color: #070014; font-size: 22px; font-weight: 700; }
.offer-grid img { position: absolute; right: 0; bottom: -35px; left: 0; width: 82%; max-height: 285px; margin: auto; object-fit: contain; object-position: center bottom; }

.contact { padding: 112px 0; background: #13111c; }
.contact-wrap { max-width: 1080px; padding: 56px; border-radius: 32px; background: #fff; }
.contact-heading { margin-bottom: 32px; }
.contact-heading p { margin: 0 0 8px; color: var(--purple); font-size: 19px; font-weight: 700; }
.contact-heading h2 { font-size: clamp(38px, 4vw, 54px); }
#consult-form { position: relative; }
.category-tabs { display: grid; margin-bottom: 28px; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.category-tabs button {
  min-height: 56px;
  padding: 10px 15px;
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: 14px;
  background: var(--soft);
  font-weight: 700;
  cursor: pointer;
}
.category-tabs button.active { color: var(--purple); border-color: var(--purple); font-weight: 900; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.form-grid label { color: var(--ink); font-weight: 700; }
.form-grid input, .form-grid textarea {
  width: 100%;
  margin-top: 10px;
  padding: 17px 18px;
  color: var(--ink);
  border: 1px solid transparent;
  border-radius: 12px;
  outline: none;
  background: #f2f2f2;
  font-weight: 400;
}
.form-grid input::placeholder, .form-grid textarea::placeholder { color: #171824; opacity: .78; font-weight: 400; }
.form-grid input:focus, .form-grid textarea:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(124,53,248,.1); }
.message-field { grid-column: 1 / -1; }
.form-grid textarea { min-height: 150px; resize: vertical; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 25px; margin: 18px 0 0; font-weight: 700; }
.form-status.success { color: #237b45; }
.form-status.error { color: #c52d2d; }
.form-actions { display: grid; margin-top: 20px; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions button, .form-actions a {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 0;
  border-radius: 14px;
  font-weight: 700;
  cursor: pointer;
}
.submit-btn { background: var(--purple); }
.submit-btn:disabled { cursor: wait; opacity: .65; }
.top-btn { background: #504e53; }

footer { padding: 43px 0; color: #06171c; background: #f2f2f2; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-inner img { width: 156px; height: 36px; object-fit: contain; }
.footer-inner p { margin: 0; font-weight: 600; }
.footer-inner small { color: #06171c; font-size: 14px; }

@media (max-width: 980px) {
  .site-header { top: 10px; height: 62px; padding: 0 18px; }
  .site-header nav { display: none; }
  .hero { min-height: auto; padding: 125px 0 72px; }
  .strength-grid, .model-grid, .comp-grid, .support-grid { grid-template-columns: 1fr; }
  .case-grid, .brand-cards, .offer-grid { grid-template-columns: 1fr; }
  .strength-grid article { min-height: 300px; }
  .comp-grid { gap: 32px; }
  .process .comp-copy { grid-row: 1; }
  .feature-image { max-height: 500px; }
  .support-grid { padding-top: 80px; text-align: center; }
  .support-grid img { max-height: 430px; }
  .offer-grid article { min-height: 440px; }
  .offer-grid img { max-height: 270px; }
  .form-grid { grid-template-columns: 1fr; }
  .message-field { grid-column: auto; }
  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 680px) {
  .container { width: min(var(--max), calc(100% - 28px)); }
  .site-header { width: calc(100% - 20px); }
  .brand img { width: 145px; height: auto; }
  .hero-kicker { margin-bottom: 20px; line-height: 1.5; }
  .hero-lead { margin-top: 25px; font-size: 18px; }
  .notice-inner { padding: 18px 0; flex-direction: column; align-items: stretch; text-align: center; font-size: 17px; }
  .notice a { text-align: center; }
  .worries, .recommend, .strength, .products, .comparison, .platform-model, .examples, .all-in-one, .contact { padding: 76px 0; }
  .process { padding: 12px 0 76px; }
  .section-head { margin-bottom: 34px; }
  .section-head h2, .worry-title h2, .comp-copy h2, .all-head h2, .support-grid h2, .contact-heading h2 { font-size: 33px; }
  .section-head p, .comp-copy p, .all-head p { font-size: 17px; }
  .worry-title p { font-size: 23px; line-height: 1.35; }
  .worry-grid { grid-template-columns: 1fr; }
  .worry-grid div { min-height: 68px; padding: 21px 18px 20px 66px; font-size: 17px; }
  .worry-grid div::before { top: 16px; left: 18px; width: 36px; height: 36px; }
  .case-grid article, .brand-cards article { padding: 22px; }
  .strength-grid { grid-template-columns: 1fr; }
  .strength-grid article { min-height: 300px; padding: 25px; grid-template-columns: 1.25fr .75fr; }
  .strength-grid h3 { font-size: 26px; }
  .strength-art { width: 52%; }
  .chips { justify-content: stretch; }
  .chips span { width: 100%; text-align: center; font-size: 14px; }
  .model-grid article { padding: 20px; }
  .model-inside { min-height: auto; padding: 15px; }
  .two { grid-template-columns: 1fr; }
  .support-grid { min-height: auto; padding: 72px 0 0; }
  .support-grid p { font-size: 18px; }
  .example-grid { grid-template-columns: 1fr; }
  .example-grid article > div { padding: 18px 20px 20px; }
  .mock-title { margin-top: 60px; }
  .mockups { grid-template-columns: repeat(2, 1fr); }
  .offer-grid article { min-height: 420px; }
  .contact-wrap { padding: 30px 22px; border-radius: 24px; }
  .category-tabs { grid-template-columns: repeat(2, 1fr); }
  .form-actions { grid-template-columns: 1fr; }
}