:root {
  --white: #ffffff;
  --off-white: #f7f8fb;
  --ink: #0b0d12;
  --muted: #60646f;
  --line: #dfe2e8;
  --blue: #1f5eff;
  --blue-dark: #1747c9;
  --lime: #c9ff42;
  --radius-lg: 36px;
  --radius-md: 24px;
  --shadow: 0 24px 80px rgba(15, 25, 55, 0.12);
}

[hidden] { display: none !important; }

#siteup-theme .siteup-subpage-main {
  min-height: 65vh;
  padding: 150px 0 110px;
  background: var(--off-white);
}

#siteup-theme .siteup-content-shell {
  position: relative;
}

#siteup-theme .hero-floating-set {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  background: var(--white);
}

body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  word-break: keep-all;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
summary {
  font: inherit;
}

button,
a,
summary {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 12px 18px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.page-shell {
  width: min(1400px, calc(100% - 96px));
  margin-inline: auto;
}

.section {
  padding: 150px 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 28px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.12em;
  line-height: 1.35;
}

.eyebrow > span {
  width: 30px;
  height: 3px;
  background: var(--blue);
}

.eyebrow.light {
  color: var(--white);
}

.eyebrow.light > span {
  background: var(--lime);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: 1px solid transparent;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-color: rgba(11, 13, 18, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 36px rgba(20, 28, 50, 0.06);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(1600px, calc(100% - 64px));
  height: 94px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 37px;
  height: 37px;
  border-radius: 10px;
  background: var(--blue);
  color: var(--white);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: -0.06em;
}

.brand-word {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.035em;
}

.brand-word span {
  padding: 0 3px;
  color: var(--blue);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(28px, 3vw, 54px);
}

.primary-nav > a {
  position: relative;
  font-size: 16px;
  font-weight: 700;
}

.primary-nav > a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

.primary-nav > a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  min-height: 52px;
  padding: 0 19px 0 24px;
  border-radius: 14px;
  background: var(--ink);
  color: var(--white);
  font-size: 16px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-contact:hover {
  background: var(--blue);
  transform: translateY(-2px);
}

.nav-contact span {
  font-size: 22px;
}

.mobile-only,
.menu-button {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 94px;
  background:
    radial-gradient(circle at 84% 22%, rgba(31, 94, 255, 0.09), transparent 25%),
    linear-gradient(180deg, #fff 0%, #fbfcff 100%);
  transition: background 0.5s ease;
}

.hero-theme-2 {
  background:
    radial-gradient(circle at 82% 24%, rgba(201, 255, 66, 0.18), transparent 23%),
    radial-gradient(circle at 72% 70%, rgba(31, 94, 255, 0.07), transparent 28%),
    linear-gradient(180deg, #fff 0%, #fbfcff 100%);
}

.hero-theme-3 {
  background:
    radial-gradient(circle at 84% 22%, rgba(31, 94, 255, 0.12), transparent 25%),
    linear-gradient(180deg, #fff 0%, #f8faff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 94px 0 auto 0;
  height: 1px;
  background: rgba(11, 13, 18, 0.07);
}

.hero-grid {
  min-height: 860px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(480px, 0.85fr);
  gap: clamp(64px, 8vw, 138px);
  align-items: center;
  padding-top: 56px;
  padding-bottom: 64px;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin: 0;
  font-size: clamp(60px, 5.1vw, 82px);
  font-weight: 900;
  letter-spacing: -0.068em;
  line-height: 1.03;
}

.hero h1 > span {
  display: block;
}

.hero h1 em {
  position: relative;
  display: inline-block;
  margin-top: 8px;
  color: var(--blue);
  font-style: normal;
}

.hero h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -14px;
  bottom: 6px;
  left: -5px;
  height: 17px;
  border-radius: 999px;
  background: var(--lime);
  transform: rotate(-1deg);
}

.hero-description {
  max-width: 680px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.75;
}

.hero-slide-copy {
  animation: hero-copy-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes hero-copy-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  min-height: 62px;
  padding: 0 22px 0 28px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-size: 17px;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button span {
  font-size: 25px;
  line-height: 1;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  min-width: 235px;
  background: var(--blue);
  color: var(--white);
  box-shadow: 0 16px 40px rgba(31, 94, 255, 0.26);
}

.button-primary:hover {
  background: var(--blue-dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--ink);
  padding: 6px 0;
  font-size: 17px;
  font-weight: 800;
}

.text-link span {
  color: var(--blue);
  font-size: 21px;
}

.hero-slider-controls {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-top: 38px;
}

.slider-arrow,
.slider-pause {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.slider-arrow span {
  font-size: 23px;
  line-height: 1;
}

.slider-pause span {
  font-size: 16px;
  font-weight: 900;
  line-height: 1;
}

.slider-arrow:hover,
.slider-pause:hover,
.slider-pause.is-paused {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
  transform: translateY(-2px);
}

.slide-count {
  min-width: 62px;
  color: #8a8e97;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.slide-count strong {
  color: var(--blue);
  font-size: 18px;
}

.slide-dots {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 5px;
}

.slide-dots button {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 0;
  border-radius: 99px;
  background: #cbd0da;
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease;
}

.slide-dots button.is-active {
  width: 30px;
  background: var(--blue);
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.hero-proof div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-proof strong {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.03em;
}

.hero-proof span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 600;
}

.hero-proof .seo-proof-primary {
  position: relative;
  gap: 1px;
  padding-left: 17px;
}

.hero-proof .seo-proof-primary::before {
  content: "";
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 0;
  width: 5px;
  border-radius: 99px;
  background: var(--blue);
}

.hero-proof .seo-proof-primary strong {
  color: var(--blue);
  font-size: 32px;
  line-height: 1.05;
}

.hero-proof .seo-proof-primary span {
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.hero-visual {
  position: relative;
  min-height: 610px;
  display: grid;
  place-items: center;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 510px;
  height: 510px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.25), 0 45px 90px rgba(31, 94, 255, 0.27);
}

.hero-visual::after {
  content: "";
  position: absolute;
  width: 310px;
  height: 310px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.visual-orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(31, 94, 255, 0.24);
  border-radius: 50%;
}

.orbit-one {
  width: 590px;
  height: 590px;
}

.orbit-two {
  width: 660px;
  height: 660px;
  border-style: dashed;
  animation: orbit 40s linear infinite;
}

@keyframes orbit {
  to { transform: rotate(360deg); }
}

.search-window {
  position: relative;
  z-index: 4;
  width: min(480px, 88%);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow);
  transform: rotate(-2deg);
  animation: hero-window-in 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes hero-window-in {
  from { opacity: 0; transform: translateY(24px) rotate(-4deg) scale(0.96); }
  to { opacity: 1; transform: translateY(0) rotate(-2deg) scale(1); }
}

.window-top {
  height: 58px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  color: #7a7f89;
  font-size: 16px;
  font-weight: 700;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 16px 0 0 #c6cad2, 32px 0 0 #e2e4e9;
  margin-right: 30px;
}

.window-url {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.window-status {
  margin-left: auto;
  padding: 5px 9px;
  border-radius: 99px;
  background: #e8ffb1;
  color: #355700;
  font-size: 16px;
  font-weight: 900;
}

.window-body {
  padding: 26px 28px 24px;
}

.search-engine-logos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 27px;
}

.engine-logo {
  height: 78px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(15, 25, 55, 0.07);
}

.naver-logo {
  color: #03c75a;
  font-family: Arial Black, Arial, Helvetica, sans-serif;
  font-size: 33px;
  font-weight: 950;
  letter-spacing: -0.075em;
  line-height: 1;
}

.google-logo img {
  display: block;
  width: 168px;
  max-width: 88%;
  height: auto;
  mix-blend-mode: multiply;
}

.metric-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

.metric-head span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.metric-head strong {
  color: var(--blue);
  font-size: 64px;
  font-weight: 950;
  letter-spacing: -0.08em;
  line-height: 0.85;
}

.growth-chart {
  position: relative;
  height: 156px;
  margin: 24px 0 20px;
  overflow: hidden;
  border-radius: 16px;
  background: #f5f7fb;
}

.chart-grid {
  position: absolute;
  inset: 0;
}

.grid-a {
  background: repeating-linear-gradient(0deg, transparent 0 47px, #e4e7ed 47px 48px);
}

.grid-b {
  background: repeating-linear-gradient(90deg, transparent 0 80px, #e4e7ed 80px 81px);
}

.chart-line {
  position: absolute;
  right: 30px;
  bottom: 36px;
  left: 28px;
  height: 4px;
  border-radius: 999px;
  background: var(--blue);
  box-shadow: 0 8px 20px rgba(31, 94, 255, 0.26);
  transform: rotate(-19deg);
  transform-origin: left;
}

.chart-line::before,
.chart-line::after {
  content: "";
  position: absolute;
  height: 4px;
  border-radius: 999px;
  background: var(--blue);
}

.chart-line::before {
  width: 34%;
  right: 18%;
  top: -19px;
  transform: rotate(18deg);
}

.chart-line::after {
  width: 24px;
  height: 24px;
  right: -5px;
  top: -10px;
  border-radius: 50%;
  background: var(--lime);
  border: 6px solid var(--blue);
}

.point {
  position: absolute;
  width: 13px;
  height: 13px;
  top: -5px;
  border: 4px solid var(--blue);
  border-radius: 50%;
  background: var(--white);
}

.p1 { left: 1%; }
.p2 { left: 28%; }
.p3 { left: 55%; }
.p4 { left: 80%; }

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 0;
  border-top: 1px solid var(--line);
  font-size: 16px;
}

.metric-row span {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 700;
}

.metric-row i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.status-blue { background: var(--blue); }
.status-lime { background: #8bbb0d; }
.status-ink { background: var(--ink); }

.metric-row b {
  font-weight: 900;
}

.floating-card {
  position: absolute;
  z-index: 6;
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 190px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: var(--white);
  box-shadow: 0 18px 45px rgba(15, 25, 55, 0.16);
}

.floating-card span {
  color: var(--muted);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.floating-card strong {
  font-size: 18px;
  font-weight: 900;
}

.floating-keyword {
  top: 8px;
  left: -24px;
  transform: rotate(-2deg);
}

.floating-score {
  right: -12px;
  bottom: 100px;
  background: var(--lime);
  transform: rotate(3deg);
}

.floating-score span {
  color: #52691c;
}

.visual-index {
  position: absolute;
  z-index: 6;
  right: 20px;
  top: 52px;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.hero-rail {
  height: 76px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  transform: rotate(-1deg) scale(1.02);
}

.hero-rail div {
  display: flex;
  align-items: center;
  gap: 34px;
  width: max-content;
  animation: rail 26s linear infinite;
}

.hero-rail span {
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.11em;
  white-space: nowrap;
}

.hero-rail b {
  color: var(--lime);
  font-size: 34px;
}

@keyframes rail {
  to { transform: translateX(-50%); }
}

.section-heading h2,
.strategy-copy h2,
.promise-title h2,
.faq-intro h2,
.contact-inner h2 {
  margin: 0;
  font-size: clamp(48px, 5vw, 76px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.08;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 120px;
  align-items: end;
  margin-bottom: 72px;
}

.split-heading > p {
  max-width: 590px;
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  min-height: 560px;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow);
}

.service-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-no {
  font-size: 18px;
  font-weight: 900;
}

.service-tag {
  padding: 7px 12px;
  border: 1px solid currentColor;
  border-radius: 99px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.07em;
}

.service-symbol {
  height: 165px;
  display: flex;
  align-items: center;
  font-size: 96px;
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 1;
}

.service-card h3 {
  margin: 0;
  font-size: 31px;
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 1.25;
}

.service-card > p {
  min-height: 104px;
  margin: 18px 0 28px;
  font-size: 17px;
  line-height: 1.75;
}

.service-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.17);
  font-size: 16px;
  font-weight: 700;
}

.tone-blue {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--white);
}

.tone-blue .service-symbol { color: var(--lime); }
.tone-blue > p { color: rgba(255, 255, 255, 0.8); }

.tone-ink {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--white);
}

.tone-ink .service-symbol { color: #6f91ff; }
.tone-ink > p { color: #b9bdc7; }

.tone-lime {
  border-color: #b4e636;
  background: var(--lime);
  color: var(--ink);
}

.tone-lime .service-symbol { color: var(--blue); }
.tone-lime > p { color: #3d461f; }
.tone-lime li { background: rgba(255, 255, 255, 0.55); }

.strategy-section {
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.strategy-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(540px, 1.1fr);
  gap: 100px;
  align-items: center;
}

.strategy-copy > p:not(.eyebrow) {
  max-width: 600px;
  margin: 32px 0 38px;
  color: #b6bbc5;
  font-size: 19px;
  line-height: 1.85;
}

.button-light {
  min-width: 270px;
  border-color: #464b56;
  color: var(--white);
}

.button-light:hover {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink);
}

.audit-panel {
  position: relative;
  padding: 32px;
  border: 1px solid #3b404a;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px),
    #13161c;
  background-size: 44px 44px;
}

.audit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 22px;
  border-bottom: 1px solid #3b404a;
  color: #aeb3bd;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.audit-header b { color: var(--lime); }

.audit-score {
  display: flex;
  align-items: center;
  gap: 36px;
  padding: 36px 0;
}

.score-ring {
  width: 180px;
  height: 180px;
  flex: 0 0 auto;
  display: grid;
  place-content: center;
  border: 18px solid #2d3340;
  border-top-color: var(--lime);
  border-right-color: var(--blue);
  border-radius: 50%;
  text-align: center;
  transform: rotate(-10deg);
}

.score-ring span,
.score-ring strong {
  transform: rotate(10deg);
}

.score-ring span {
  color: #aeb3bd;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.score-ring strong {
  font-size: 44px;
  line-height: 1;
}

.audit-score p {
  margin: 0;
  font-size: 25px;
  font-weight: 800;
  line-height: 1.45;
}

.audit-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.audit-list > div {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 68px;
  padding: 0 16px;
  border: 1px solid #373c47;
  border-radius: 14px;
  background: rgba(11, 13, 18, 0.64);
}

.audit-list span {
  color: #747a86;
  font-size: 16px;
  font-weight: 800;
}

.audit-list p {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.audit-list b {
  color: var(--lime);
  font-size: 16px;
}

.reasons {
  background: var(--off-white);
}

.centered-heading {
  max-width: 850px;
  margin: 0 auto 76px;
  text-align: center;
}

.centered-heading .eyebrow {
  justify-content: center;
}

.centered-heading > p:last-child {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.reason-list {
  border-top: 1px solid #cfd3da;
}

.reason-item {
  position: relative;
  display: grid;
  grid-template-columns: 90px minmax(320px, 0.9fr) minmax(320px, 1.1fr) 50px;
  gap: 32px;
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid #cfd3da;
  transition: padding 0.25s ease, background 0.25s ease;
}

.reason-item:hover {
  padding-inline: 22px;
  background: var(--white);
}

.reason-item > span {
  color: var(--blue);
  font-size: 18px;
  font-weight: 900;
}

.reason-item h3 {
  margin: 0;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.reason-item p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.reason-item i {
  font-style: normal;
  font-size: 30px;
}

.process-heading {
  margin-bottom: 86px;
}

.process-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.process-step {
  position: relative;
  padding-right: 34px;
}

.process-line {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: center;
  margin-bottom: 34px;
}

.process-line span {
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 16px;
  font-weight: 900;
}

.process-line i {
  width: 100%;
  height: 1px;
  background: var(--line);
}

.process-step:last-child .process-line i {
  background: transparent;
}

.process-step h3 {
  margin: 0 0 15px;
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.process-step p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.promise-section {
  padding: 120px 0;
  background: var(--blue);
  color: var(--white);
}

.promise-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.7fr;
  gap: 90px;
  align-items: center;
}

.promise-title .eyebrow > span {
  background: var(--lime);
}

.promise-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.promise-cards article {
  min-height: 300px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
}

.promise-cards article.accent {
  background: var(--lime);
  color: var(--ink);
  transform: translateY(-18px) rotate(-1deg);
  box-shadow: 0 22px 48px rgba(8, 31, 95, 0.25);
}

.promise-cards article > span {
  display: inline-block;
  margin-bottom: 60px;
  font-size: 17px;
  font-weight: 900;
}

.promise-cards h3 {
  margin: 0 0 14px;
  font-size: 23px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.promise-cards p {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  line-height: 1.7;
}

.promise-cards .accent p {
  color: #3c481e;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 120px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 130px;
}

.faq-intro > p:last-child {
  max-width: 350px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.faq-list {
  border-top: 2px solid var(--ink);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 104px;
  display: grid;
  grid-template-columns: 54px 1fr 32px;
  gap: 14px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary > span {
  color: var(--blue);
  font-size: 16px;
  font-weight: 900;
}

.faq-list summary strong {
  font-size: 20px;
  font-weight: 850;
  letter-spacing: -0.025em;
}

.faq-list summary i {
  position: relative;
  width: 22px;
  height: 22px;
}

.faq-list summary i::before,
.faq-list summary i::after {
  content: "";
  position: absolute;
  top: 10px;
  left: 2px;
  width: 18px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease;
}

.faq-list summary i::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary i::after {
  transform: rotate(0);
}

.faq-list details > p {
  margin: -6px 42px 30px 68px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.contact-section {
  position: relative;
  min-height: 690px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}

.contact-grid {
  position: absolute;
  inset: 0;
  opacity: 0.45;
  background:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(circle at 72% 50%, black 0%, transparent 62%);
}

.contact-section::after {
  content: "UP";
  position: absolute;
  right: -28px;
  bottom: -145px;
  color: var(--blue);
  font-size: 430px;
  font-weight: 950;
  letter-spacing: -0.12em;
  line-height: 1;
  opacity: 0.82;
}

.contact-inner {
  position: relative;
  z-index: 2;
  padding: 110px 0;
}

.contact-inner h2 {
  font-size: clamp(58px, 6.4vw, 96px);
}

.contact-inner h2 em {
  color: var(--lime);
  font-style: normal;
}

.contact-inner > p:not(.eyebrow) {
  max-width: 600px;
  margin: 28px 0 36px;
  color: #b9bdc7;
  font-size: 19px;
}

.button-white {
  min-width: 255px;
  background: var(--white);
  color: var(--ink);
}

.button-white:hover {
  background: var(--lime);
}

.contact-note {
  display: block;
  margin-top: 22px;
  color: #8e949f;
  font-size: 16px;
  font-weight: 700;
}

.open-chat-float {
  position: fixed;
  z-index: 95;
  right: 24px;
  bottom: 26px;
  width: 142px;
  min-height: 146px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 15px;
  border: 1px solid rgba(11, 13, 18, 0.12);
  border-radius: 22px;
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 20px 54px rgba(11, 13, 18, 0.2);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.open-chat-float:hover {
  transform: translateY(-6px);
  box-shadow: 0 26px 62px rgba(11, 13, 18, 0.27);
}

.chat-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
}

.chat-icon i {
  position: relative;
  width: 20px;
  height: 16px;
  border: 2px solid var(--lime);
  border-radius: 5px;
}

.chat-icon i::after {
  content: "";
  position: absolute;
  right: 2px;
  bottom: -5px;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--lime);
  transform: skewY(-35deg);
}

.chat-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.chat-copy small {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.chat-copy strong {
  font-size: 20px;
  font-weight: 950;
  letter-spacing: -0.04em;
}

.chat-arrow {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 23px;
  font-weight: 900;
}

.site-footer {
  padding: 86px 0 34px;
  border-top: 1px solid #e7e9ee;
  background: var(--white);
  color: var(--ink);
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(340px, 1.15fr) minmax(330px, 0.8fr) minmax(190px, 0.45fr);
  gap: clamp(60px, 8vw, 140px);
  padding-bottom: 70px;
}

.footer-brand .brand-word {
  color: var(--ink);
}

.footer-identity > p {
  margin: 26px 0 38px;
  color: #5f6571;
  font-size: 17px;
  line-height: 1.85;
}

.footer-domain {
  color: #687080;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.footer-kicker {
  margin: 0 0 17px;
  color: #687080;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.15em;
}

.footer-phone {
  display: inline-block;
  color: var(--ink);
  font-size: clamp(32px, 3vw, 48px);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 1.1;
  transition: color 0.2s ease;
}

.footer-phone:hover {
  color: var(--blue);
}

.footer-hours {
  margin: 22px 0 25px;
  color: #5f6571;
  font-size: 16px;
  line-height: 1.8;
}

.footer-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-contact-links a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 5px;
  border-bottom: 1px solid #cfd3db;
  font-size: 16px;
  font-weight: 800;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-contact-links a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.footer-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 13px;
}

.footer-nav .footer-kicker {
  margin-bottom: 4px;
}

.footer-nav a {
  color: #424854;
  font-size: 16px;
  font-weight: 700;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-nav a:hover {
  color: var(--blue);
  transform: translateX(4px);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid #dfe2e8;
}

.footer-business {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  color: #606775;
  font-size: 16px;
  line-height: 1.7;
}

.footer-business b {
  margin-right: 7px;
  color: #292e38;
  font-size: 16px;
}

.footer-business a {
  transition: color 0.2s ease;
}

.footer-business a:hover {
  color: var(--blue);
}

.footer-bottom > p {
  margin: 24px 0 0;
  color: #687080;
  font-size: 16px;
  font-weight: 700;
}

@media (max-width: 1180px) {
  .page-shell { width: min(100% - 56px, 1080px); }
  .header-inner { width: calc(100% - 48px); }
  .hero-grid { grid-template-columns: 1fr 0.8fr; gap: 40px; }
  .hero h1 { font-size: clamp(54px, 6vw, 72px); }
  .hero-visual { min-height: 560px; transform: scale(0.88); }
  .service-card { padding: 28px; }
  .service-card h3 { font-size: 27px; }
  .strategy-grid { gap: 60px; }
  .promise-grid { grid-template-columns: 1fr; }
  .promise-title h2 br { display: none; }
  .faq-grid { gap: 70px; }
}

@media (max-width: 960px) {
  .section { padding: 110px 0; }
  .desktop-only { display: none; }
  .mobile-only { display: inline-flex; }
  .menu-button {
    display: flex;
    width: 50px;
    height: 50px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 0;
    border-radius: 14px;
    background: var(--ink);
    cursor: pointer;
  }
  .menu-button span {
    width: 21px;
    height: 2px;
    background: var(--white);
    transition: transform 0.2s ease;
  }
  .menu-button.is-open span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-button.is-open span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
  .primary-nav {
    position: fixed;
    inset: 84px 20px auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .primary-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .primary-nav > a { padding: 15px 12px; }
  .primary-nav > .nav-contact { margin-top: 10px; justify-content: space-between; padding-inline: 20px; }
  .hero-grid { min-height: auto; grid-template-columns: 1fr; padding-top: 86px; }
  .hero-copy { max-width: 760px; }
  .hero h1 { font-size: clamp(58px, 8.5vw, 78px); }
  .hero-visual { width: 680px; max-width: 100%; margin: -10px auto 0; }
  .split-heading { grid-template-columns: 1fr; gap: 30px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .service-symbol { height: 135px; }
  .service-card > p { min-height: 0; }
  .strategy-grid { grid-template-columns: 1fr; }
  .audit-panel { max-width: 720px; }
  .reason-item { grid-template-columns: 60px 1fr 1fr 30px; }
  .process-track { grid-template-columns: repeat(2, 1fr); row-gap: 64px; }
  .process-step:nth-child(2) .process-line i { background: transparent; }
  .promise-cards { max-width: 800px; }
  .faq-grid { grid-template-columns: 1fr; }
  .faq-intro { position: static; }
  .faq-intro h2 br { display: none; }
  .contact-section::after { font-size: 330px; opacity: 0.5; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-nav { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; gap: 14px 26px; padding-top: 8px; }
  .footer-nav .footer-kicker { width: 100%; }
}

@media (max-width: 640px) {
  body { font-size: 15px; }
  .page-shell { width: calc(100% - 36px); }
  .section { padding: 88px 0; }
  .header-inner { width: calc(100% - 32px); height: 78px; }
  .site-header.is-scrolled { background: rgba(255, 255, 255, 0.96); }
  .brand-mark { width: 34px; height: 34px; border-radius: 9px; font-size: 17px; }
  .brand-word { font-size: 19px; }
  .primary-nav { inset: 72px 12px auto; }
  .menu-button { width: 44px; height: 44px; }
  .hero { padding-top: 78px; }
  .hero::before { top: 78px; }
  .hero-grid { padding-top: 56px; padding-bottom: 36px; gap: 8px; }
  .eyebrow { margin-bottom: 20px; font-size: 14px; letter-spacing: 0.08em; }
  .eyebrow > span { width: 22px; }
  .hero h1 { font-size: clamp(40px, 11.5vw, 52px); line-height: 1.08; }
  .hero h1 em::after { height: 10px; bottom: 3px; }
  .hero-description { margin-top: 26px; font-size: 17px; line-height: 1.7; }
  .desktop-break { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; margin-top: 28px; }
  .button { min-height: 58px; font-size: 16px; }
  .button-primary { width: 100%; }
  .text-link { align-self: flex-start; font-size: 16px; }
  .hero-slider-controls { gap: 9px; margin-top: 30px; }
  .slider-arrow, .slider-pause { width: 40px; height: 40px; }
  .slide-count { min-width: 56px; font-size: 14px; }
  .slide-count strong { font-size: 16px; }
  .slide-dots { gap: 5px; padding: 0; }
  .slide-dots button { width: 8px; height: 8px; }
  .slide-dots button.is-active { width: 22px; }
  .hero-proof { grid-template-columns: 1fr; gap: 13px; margin-top: 40px; padding-top: 20px; }
  .hero-proof div { display: grid; grid-template-columns: 96px 1fr; align-items: center; }
  .hero-proof strong { font-size: 18px; }
  .hero-proof span { font-size: 14px; }
  .hero-proof .seo-proof-primary { grid-template-columns: 96px 1fr; padding-left: 14px; }
  .hero-proof .seo-proof-primary strong { font-size: 23px; }
  .hero-proof .seo-proof-primary span { font-size: 16px; }
  .search-engine-logos { gap: 9px; }
  .engine-logo { height: 66px; }
  .naver-logo { font-size: 27px; }
  .google-logo img { width: 145px; }
  .hero-visual { min-height: 480px; width: 510px; transform: scale(0.76); margin: -22px -63px -36px; }
  .hero-visual::before { width: 440px; height: 440px; }
  .orbit-one { width: 500px; height: 500px; }
  .orbit-two { width: 560px; height: 560px; }
  .floating-keyword { left: -8px; }
  .floating-score { right: -8px; }
  .hero-rail { height: 62px; }
  .hero-rail span { font-size: 17px; }
  .section-heading h2,
  .strategy-copy h2,
  .promise-title h2,
  .faq-intro h2 { font-size: clamp(40px, 12vw, 54px); }
  .split-heading { margin-bottom: 46px; }
  .split-heading > p { font-size: 16px; }
  .service-card { padding: 25px; border-radius: 28px; }
  .service-symbol { height: 118px; font-size: 78px; }
  .service-card h3 { font-size: 26px; }
  .service-card > p { font-size: 16px; }
  .service-card li { font-size: 14px; }
  .strategy-grid { gap: 50px; }
  .strategy-copy > p:not(.eyebrow) { font-size: 16px; }
  .audit-panel { padding: 20px; border-radius: 26px; }
  .audit-score { gap: 20px; }
  .score-ring { width: 130px; height: 130px; border-width: 13px; }
  .score-ring strong { font-size: 34px; }
  .audit-score p { font-size: 19px; }
  .audit-list { grid-template-columns: 1fr; }
  .centered-heading { margin-bottom: 52px; }
  .centered-heading > p:last-child { font-size: 16px; }
  .reason-item { grid-template-columns: 45px 1fr 24px; gap: 12px; padding: 26px 0; }
  .reason-item:hover { padding-inline: 10px; }
  .reason-item h3 { font-size: 21px; }
  .reason-item p { grid-column: 2 / 4; font-size: 15px; }
  .reason-item i { grid-column: 3; grid-row: 1; font-size: 23px; }
  .process-track { grid-template-columns: 1fr; row-gap: 42px; }
  .process-step { padding-right: 0; }
  .process-step .process-line i { background: var(--line) !important; }
  .process-step:last-child .process-line i { background: transparent !important; }
  .process-step h3 { font-size: 22px; }
  .process-step p { font-size: 16px; }
  .promise-section { padding: 88px 0; }
  .promise-grid { gap: 44px; }
  .promise-cards { grid-template-columns: 1fr; }
  .promise-cards article { min-height: 0; }
  .promise-cards article.accent { transform: none; }
  .promise-cards article > span { margin-bottom: 28px; }
  .faq-grid { gap: 48px; }
  .faq-list summary { min-height: 92px; grid-template-columns: 40px 1fr 26px; }
  .faq-list summary strong { font-size: 17px; }
  .faq-list details > p { margin: -2px 8px 26px 40px; font-size: 15px; }
  .contact-section { min-height: 620px; }
  .contact-section::after { right: -12px; bottom: -75px; font-size: 190px; }
  .contact-inner { padding: 88px 0 130px; }
  .contact-inner h2 { font-size: clamp(48px, 14vw, 66px); }
  .contact-inner > p:not(.eyebrow) { font-size: 16px; }
  .button-white { width: 100%; }
  .open-chat-float { right: 12px; bottom: 12px; width: auto; min-height: 62px; flex-direction: row; align-items: center; gap: 12px; padding: 10px 48px 10px 10px; border-radius: 18px; }
  .chat-icon { width: 40px; height: 40px; flex: 0 0 auto; }
  .chat-copy small { font-size: 13px; }
  .chat-copy strong { font-size: 17px; line-height: 1.2; }
  .chat-arrow { top: 18px; right: 15px; font-size: 20px; }
  .site-footer { padding: 70px 0 26px; }
  .footer-main { grid-template-columns: 1fr; gap: 52px; padding-bottom: 52px; }
  .footer-nav { grid-column: auto; display: grid; grid-template-columns: repeat(2, 1fr); gap: 13px 20px; }
  .footer-nav .footer-kicker { grid-column: 1 / -1; width: auto; }
  .footer-phone { font-size: 34px; }
  .footer-business { display: grid; gap: 8px; font-size: 14px; }
  .footer-business b { font-size: 14px; }
  .footer-bottom > p { font-size: 14px; line-height: 1.6; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}