:root {
  --ink: #2d171b;
  --ink-strong: #180c0f;
  --wine: #37191e;
  --yellow: #ffe100;
  --yellow-soft: #fff4a6;
  --blue: #0754ce;
  --blue-deep: #003d99;
  --green: #23845c;
  --paper: #ffffff;
  --canvas: #fffbea;
  --muted: #725f62;
  --line: rgba(55, 25, 30, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --shadow-soft: 0 1px 2px rgba(45, 23, 27, 0.08);
  --shadow-lift: 0 32px 80px -48px rgba(45, 23, 27, 0.62);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(55, 25, 30, 0.035) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(180deg, rgba(55, 25, 30, 0.035) 1px, transparent 1px) 0 0 / 44px 44px,
    var(--canvas);
  color: var(--ink);
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: 0;
  word-break: keep-all;
  overflow-wrap: break-word;
}

main {
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

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

img,
svg {
  display: block;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  color: var(--ink-strong);
  line-height: 1.1;
  letter-spacing: 0;
}

h1 {
  margin-bottom: 26px;
  font-size: clamp(3.3rem, 6vw, 5.3rem);
  font-weight: 950;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4.4vw, 3.75rem);
  font-weight: 930;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.24rem;
  font-weight: 880;
}

p {
  color: var(--muted);
}

.section-shell {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 108px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 48px), var(--max));
  min-height: 72px;
  margin: 0 auto;
  padding: 10px 0;
  backdrop-filter: blur(18px);
}

.site-header[data-elevated="true"] {
  border-bottom: 1px solid var(--line);
}

.brand,
.desktop-nav,
.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  color: var(--ink-strong);
  font-weight: 900;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
}

.desktop-nav {
  gap: 24px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 760;
}

.desktop-nav a:hover,
.site-footer a:hover {
  color: var(--ink-strong);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.header-cta {
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(255, 225, 0, 0.36);
  border-radius: var(--radius-md);
  padding: 0 18px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 0.92rem;
  font-weight: 840;
  box-shadow: 0 14px 28px -24px rgba(55, 25, 30, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lift);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-deep);
  font-size: 0.82rem;
  font-weight: 920;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(450px, 1.08fr);
  align-items: center;
  gap: 56px;
  min-height: min(860px, calc(100vh - 72px));
  padding-top: 54px;
}

.hero-lede {
  max-width: 680px;
  margin-bottom: 30px;
  font-size: clamp(1.06rem, 1.55vw, 1.22rem);
}

.hero-lede p {
  margin-bottom: 14px;
}

.hero-lede strong {
  color: var(--ink-strong);
}

.btn {
  justify-content: center;
  gap: 10px;
  min-height: 56px;
  border: 1px solid rgba(255, 225, 0, 0.36);
  border-radius: var(--radius-md);
  padding: 14px 24px;
  background: var(--wine);
  color: var(--yellow);
  font-weight: 880;
  line-height: 1.2;
  box-shadow: 0 18px 34px -22px rgba(55, 25, 30, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.btn svg {
  width: 19px;
  height: 19px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero-copy,
.section-copy,
.section-heading,
.hero-actions,
.final-card > *,
.proof-layout > * {
  min-width: 0;
}

.btn span {
  min-width: 0;
}

.hero-mini-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.hero-mini-proof span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 800;
}

.hero-board {
  position: relative;
  display: grid;
  min-height: 620px;
  overflow: hidden;
  border: 1px solid rgba(55, 25, 30, 0.14);
  border-radius: 32px;
  background:
    radial-gradient(circle at 14% 12%, rgba(255, 255, 255, 0.72), transparent 28%),
    linear-gradient(135deg, #ffe100 0%, #ffe100 42%, #fff6b8 42%, #fff6b8 100%);
  box-shadow: var(--shadow-lift);
}

.hero-board::before {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -22%;
  width: 74%;
  height: 58%;
  border-radius: 999px;
  background: rgba(55, 25, 30, 0.1);
  transform: rotate(-12deg);
}

.qr-stand,
.phone,
.report-card,
.install-strip,
.weather-card,
.mini-store,
.final-qr {
  position: absolute;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.qr-stand {
  left: 36px;
  top: 76px;
  width: 230px;
  min-height: 360px;
  border: 8px solid var(--wine);
  border-radius: 18px;
  padding: 18px 18px 16px;
  background: #064fc2;
  color: #fff;
  text-align: center;
  transform: rotate(-2.5deg);
}

.stand-label,
.phone-top,
.report-head span {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 820;
}

.qr-stand .stand-label {
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 999px;
  padding: 5px 9px;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.qr-stand strong {
  display: block;
  color: var(--yellow);
  font-size: 1.6rem;
  line-height: 1.05;
  font-weight: 960;
}

.qr-stand small {
  display: block;
  margin-top: 10px;
  color: #fff;
  font-weight: 800;
}

.roulette-wheel,
.mini-roulette {
  position: relative;
  display: grid;
  place-items: center;
  width: 138px;
  height: 138px;
  margin: 18px auto;
  border: 8px solid var(--wine);
  border-radius: 999px;
  background:
    conic-gradient(from 20deg, #ffe100 0 60deg, #fff4be 60deg 120deg, #ffd35a 120deg 180deg, #fff4be 180deg 240deg, #ffe100 240deg 300deg, #ffd35a 300deg 360deg);
}

.roulette-wheel span,
.mini-roulette b {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  border-radius: 999px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 0.76rem;
  font-weight: 900;
}

.qr-code {
  display: grid;
  width: 86px;
  height: 86px;
  margin: 0 auto;
  border: 8px solid var(--paper);
  background:
    linear-gradient(90deg, var(--wine) 10px, transparent 10px) 0 0 / 24px 24px,
    linear-gradient(var(--wine) 10px, transparent 10px) 0 0 / 24px 24px,
    var(--yellow);
}

.phone {
  overflow: hidden;
  border: 8px solid var(--wine);
  border-radius: 34px;
  padding: 18px;
  background: #eef5ff;
}

.phone-main {
  right: 36px;
  bottom: 104px;
  width: 226px;
  min-height: 360px;
  transform: rotate(2.5deg);
}

.coupon-card {
  margin-top: 14px;
  border: 1px solid rgba(55, 25, 30, 0.1);
  border-radius: 18px;
  padding: 18px;
  background: var(--yellow);
  color: var(--wine);
}

.coupon-card b,
.coupon-card strong,
.coupon-card p {
  display: block;
}

.coupon-card b {
  width: fit-content;
  margin-bottom: 12px;
  border-radius: 999px;
  padding: 5px 9px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 0.78rem;
}

.coupon-card strong {
  font-size: 1.55rem;
  line-height: 1.05;
  font-weight: 950;
}

.coupon-card p {
  margin: 14px 0;
  color: var(--wine);
  font-size: 0.88rem;
  line-height: 1.45;
}

.coupon-card button {
  width: 100%;
  min-height: 38px;
  border: 0;
  border-radius: 10px;
  background: var(--paper);
  color: var(--wine);
  font-family: inherit;
  font-weight: 850;
}

.report-card {
  top: 34px;
  right: 32px;
  width: 340px;
  border-radius: 22px;
  padding: 20px;
}

.report-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.report-head b {
  color: var(--ink-strong);
  font-weight: 900;
}

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

.report-metrics span {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px;
  background: #fffef8;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 760;
}

.report-metrics b {
  display: block;
  margin-top: 3px;
  color: var(--ink-strong);
  font-size: 1.25rem;
}

.line-chart {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 86px;
  margin-top: 18px;
  border-bottom: 2px solid rgba(7, 84, 206, 0.18);
}

.line-chart i {
  flex: 1;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, var(--blue), rgba(7, 84, 206, 0.12));
}

.install-strip {
  right: 28px;
  bottom: 24px;
  left: 28px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  border-radius: var(--radius-lg);
  padding: 10px;
  background: rgba(255, 255, 255, 0.86);
}

.install-strip span {
  border-radius: 12px;
  padding: 10px 6px;
  background: var(--yellow);
  color: var(--wine);
  font-size: 0.82rem;
  font-weight: 900;
  text-align: center;
}

.logo-proof {
  overflow: hidden;
  padding: 10px 0 72px;
}

.logo-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding-top: 0;
  padding-bottom: 20px;
}

.logo-head h2 {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.5;
  text-align: right;
}

.logo-marquee {
  display: flex;
  gap: 16px;
  overflow: hidden;
  border-block: 1px solid rgba(55, 25, 30, 0.08);
  background: rgba(255, 255, 255, 0.42);
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.logo-track {
  display: flex;
  flex: 0 0 auto;
  gap: 16px;
  min-width: max-content;
  padding: 18px 0;
  animation: logo-scroll 56s linear infinite;
}

.logo-track figure {
  display: grid;
  place-items: center;
  width: 320px;
  height: 178px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.logo-track img {
  max-width: 218px;
  max-height: 124px;
  object-fit: contain;
}

.logo-track img[src$="logo_american.png"] {
  max-width: 258px;
}

.logo-marquee:hover .logo-track {
  animation-play-state: paused;
}

@keyframes logo-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(calc(-100% - 16px));
  }
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(410px, 1fr);
  align-items: center;
  gap: 56px;
}

.section-copy p,
.section-heading p,
.note {
  color: var(--muted);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 38px;
}

.section-heading.narrow {
  max-width: 820px;
  margin-inline: auto;
  text-align: center;
}

.highlight,
blockquote {
  color: var(--ink-strong);
  font-weight: 880;
}

blockquote {
  margin: 26px 0 0;
  border-left: 6px solid var(--yellow);
  padding: 10px 0 10px 18px;
  font-size: 1.14rem;
}

.conversion-visual {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  align-items: stretch;
  gap: 14px;
}

.conversion-visual article,
.channel-compare article,
.comparison-table,
.event-kit,
.step-grid article,
.stress-grid article,
.case-tab,
.proof-dashboard,
.feature-grid span,
.metric-board div,
.test-list span,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.conversion-visual article {
  min-height: 420px;
  padding: 24px;
}

.conversion-visual article > span,
.case-tab span,
.step-grid article > span {
  display: inline-flex;
  margin-bottom: 14px;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 900;
}

.after-box > span {
  background: var(--blue) !important;
  color: #fff !important;
}

.customer-scene {
  position: relative;
  height: 210px;
  margin: 20px 0;
  overflow: hidden;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4), rgba(255, 255, 255, 0)),
    #f1eee4;
}

.customer-scene::before {
  content: "";
  position: absolute;
  left: 22px;
  bottom: 30px;
  width: 72px;
  height: 126px;
  border-radius: 34px 34px 16px 16px;
  background: #6c5f5b;
  box-shadow: 0 -42px 0 -20px #34242a;
}

.customer-scene::after {
  content: "";
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: 112px;
  height: 82px;
  border-radius: 18px;
  background: var(--paper);
  box-shadow: inset 0 0 0 10px rgba(55, 25, 30, 0.08);
}

.customer-scene.captured {
  background:
    linear-gradient(135deg, rgba(255, 225, 0, 0.35), rgba(7, 84, 206, 0.12)),
    #fff8c9;
}

.customer-scene.captured::before {
  left: 34px;
  background: #4d4037;
}

.customer-scene.captured::after {
  right: 34px;
  width: 96px;
  height: 150px;
  border: 8px solid var(--wine);
  border-radius: 24px;
  background: var(--yellow);
}

.big-arrow {
  display: grid;
  place-items: center;
  align-self: center;
  min-height: 86px;
  border-radius: 999px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: center;
}

.channel-section,
.steps-section,
.conversion-flow-section,
.features-section,
.dashboard-section,
.faq-section {
  background: rgba(255, 255, 255, 0.26);
}

.channel-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.channel-compare article {
  padding: 28px;
}

.channel-compare .active {
  background: var(--wine);
}

.channel-compare b {
  display: block;
  margin-bottom: 14px;
  color: var(--ink-strong);
  font-size: 1.3rem;
  font-weight: 900;
}

.channel-compare .active b,
.channel-compare .active li {
  color: #fffdf1;
}

.channel-compare ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.channel-compare li {
  border-radius: var(--radius-md);
  padding: 14px;
  background: rgba(255, 225, 0, 0.22);
  color: var(--ink);
  font-weight: 820;
}

.difference-section {
  border-block: 1px solid rgba(55, 25, 30, 0.08);
}

.comparison-table {
  overflow: hidden;
}

.comparison-table > div {
  display: grid;
  grid-template-columns: 170px 1fr 1fr;
  gap: 1px;
  border-bottom: 1px solid var(--line);
}

.comparison-table > div:last-child {
  border-bottom: 0;
}

.comparison-table b,
.comparison-table span,
.comparison-table p {
  margin: 0;
  padding: 16px;
}

.comparison-table b {
  background: var(--wine);
  color: #fffdf1;
}

.comparison-table span {
  color: var(--ink-strong);
  font-weight: 880;
}

.comparison-table p {
  color: var(--muted);
}

.system-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 22px;
}

.system-flow span {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 106px;
  border: 1px solid rgba(7, 84, 206, 0.18);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 244, 166, 0.62));
  color: var(--ink-strong);
  font-weight: 880;
  text-align: center;
}

.system-flow span:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -13px;
  width: 16px;
  height: 16px;
  border-top: 3px solid var(--blue);
  border-right: 3px solid var(--blue);
  background: transparent;
  transform: translateY(-50%) rotate(45deg);
  z-index: 2;
}

.system-flow i {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 8px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.78rem;
  font-style: normal;
}

.event-kit {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 18px;
  background: #fff8cb;
}

.event-kit article {
  display: grid;
  align-content: start;
  justify-items: center;
  min-height: 280px;
  border: 1px solid rgba(55, 25, 30, 0.1);
  border-radius: var(--radius-lg);
  padding: 18px;
  background: var(--paper);
  text-align: center;
}

.event-kit article > span {
  display: inline-flex;
  margin-bottom: 16px;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--blue);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 900;
}

.mini-roulette {
  width: 134px;
  height: 134px;
  margin: 10px 0 18px;
}

.gift-ticket {
  display: grid;
  place-items: center;
  width: 142px;
  height: 94px;
  margin: 34px 0 24px;
  border: 4px dashed var(--wine);
  border-radius: 18px;
  background: var(--yellow);
  color: var(--wine);
  font-weight: 950;
  transform: rotate(-4deg);
}

.qr-pop-card {
  display: grid;
  place-items: center;
  width: 132px;
  height: 162px;
  margin: 8px 0 12px;
  border: 8px solid var(--wine);
  border-radius: 14px;
  background: #064fc2;
}

.qr-pop-card i {
  display: block;
  width: 74px;
  height: 74px;
  border: 8px solid var(--paper);
  background:
    linear-gradient(90deg, var(--wine) 8px, transparent 8px) 0 0 / 20px 20px,
    linear-gradient(var(--wine) 8px, transparent 8px) 0 0 / 20px 20px,
    var(--yellow);
}

.event-kit p {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 780;
}

.click-flow {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  border-radius: var(--radius-lg);
  padding: 12px;
  background: var(--wine);
}

.click-flow b {
  display: grid;
  place-items: center;
  min-height: 46px;
  border-radius: 12px;
  background: rgba(255, 225, 0, 0.16);
  color: var(--yellow);
  font-size: 0.88rem;
}

.step-grid,
.conversion-steps,
.stress-grid,
.feature-grid,
.metric-board,
.test-list,
.proof-metrics {
  display: grid;
  gap: 14px;
}

.step-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.conversion-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.conversion-steps article {
  position: relative;
  min-height: 230px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.conversion-steps article:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -14px;
  width: 18px;
  height: 18px;
  border-top: 3px solid var(--blue);
  border-right: 3px solid var(--blue);
  transform: translateY(-50%) rotate(45deg);
  z-index: 2;
}

.conversion-steps span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 18px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-weight: 920;
}

.wide-highlight {
  margin: 18px 0 0;
  border-radius: var(--radius-lg);
  padding: 22px;
  background: var(--wine);
  color: var(--yellow);
  font-size: 1.28rem;
  font-weight: 920;
  text-align: center;
}

.step-grid article {
  padding: 22px;
}

.step-grid p,
.case-tab p,
.faq-list p {
  margin-bottom: 0;
}

.weather-visual {
  position: relative;
  min-height: 480px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(255, 225, 0, 0.6), transparent 44%),
    linear-gradient(180deg, #f2f8ff, #fff);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

.weather-visual::before {
  content: "";
  position: absolute;
  inset: 30px;
  border: 1px dashed rgba(7, 84, 206, 0.18);
  border-radius: 24px;
}

.weather-card {
  position: absolute;
  left: 34px;
  width: 190px;
  border-radius: var(--radius-lg);
  padding: 20px;
}

.weather-card:first-child {
  top: 52px;
}

.weather-card.rain {
  top: 188px;
}

.weather-card span,
.weather-card b {
  display: block;
}

.weather-card b {
  margin-top: 8px;
  color: var(--ink-strong);
  font-size: 1.18rem;
}

.weather-phone {
  right: 42px;
  bottom: 38px;
  width: 260px;
  min-height: 380px;
}

.coupon-card.rainy {
  background: #dff0ff;
}

.stress-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stress-grid article {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr 48px auto;
  min-height: 280px;
  overflow: hidden;
  padding: 24px;
}

.stress-grid article::before {
  content: "";
  position: absolute;
  inset: 16px;
  border: 1px dashed rgba(55, 25, 30, 0.12);
  border-radius: 18px;
  pointer-events: none;
}

.stress-grid span {
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(55, 25, 30, 0.08);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.stress-grid h3 {
  margin: 12px 0 0;
  font-size: 1.28rem;
}

.stress-grid i {
  position: relative;
  align-self: center;
  display: block;
  height: 2px;
  background: linear-gradient(90deg, rgba(55, 25, 30, 0.14), var(--yellow), var(--wine));
}

.stress-grid i::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: var(--yellow);
  transform: translateY(-50%);
  box-shadow: 0 0 0 7px rgba(255, 225, 0, 0.22);
}

.stress-grid b {
  border-radius: var(--radius-md);
  padding: 15px;
  background: var(--wine);
  color: #fffdf1;
  line-height: 1.35;
}

.proof-layout {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  align-items: stretch;
  gap: 24px;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(360px, 0.97fr);
  align-items: stretch;
  gap: 24px;
}

.case-list,
.case-cards {
  display: grid;
  gap: 14px;
}

.case-cards {
  height: 100%;
}

.case-tab {
  display: block;
  width: 100%;
  padding: 24px;
  color: inherit;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.case-tab:hover,
.case-tab.is-active {
  transform: translateY(-2px);
  border-color: rgba(7, 84, 206, 0.3);
  background: #fff8c6;
}

.case-infographic {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: 100%;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 20px;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 225, 0, 0.38), transparent 28%),
    var(--paper);
  box-shadow: var(--shadow-soft);
}

.case-stat {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: #fffef8;
}

.case-stat.hero-stat {
  grid-column: 1 / -1;
  background: var(--wine);
}

.case-stat span,
.case-stat small {
  display: block;
  color: var(--muted);
  font-weight: 760;
}

.case-stat strong {
  display: block;
  margin: 8px 0 6px;
  color: var(--ink-strong);
  font-size: clamp(1.62rem, 2.6vw, 2.35rem);
  line-height: 1;
}

.case-stat.hero-stat span,
.case-stat.hero-stat strong,
.case-stat.hero-stat small {
  color: #fffdf1;
}

.case-stat.hero-stat strong {
  color: var(--yellow);
  font-size: clamp(2.35rem, 4vw, 3.3rem);
}

.proof-dashboard {
  display: grid;
  align-content: stretch;
  min-height: 100%;
  padding: 22px;
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 225, 0, 0.42), transparent 28%),
    var(--paper);
}

.proof-main,
.proof-metrics div {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 22px;
  background: #fffef8;
}

.proof-main {
  display: grid;
  align-content: center;
  margin-bottom: 14px;
  background: var(--wine);
  min-height: 174px;
}

.proof-main span,
.proof-main strong,
.proof-main small {
  color: #fffdf1;
}

.proof-main span,
.proof-metrics span,
.proof-main small,
.proof-metrics small {
  display: block;
  font-weight: 780;
}

.proof-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.proof-main strong,
.proof-metrics strong {
  display: block;
  margin: 8px 0 6px;
  color: var(--ink-strong);
  font-size: 2.15rem;
  line-height: 1;
}

.proof-main strong {
  color: var(--yellow);
  font-size: 3rem;
}

.proof-metrics span,
.proof-metrics small {
  color: var(--muted);
}

.note {
  margin-top: 16px;
  font-size: 0.92rem;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-grid span {
  display: grid;
  place-items: center;
  min-height: 68px;
  padding: 18px;
  color: var(--ink-strong);
  font-weight: 840;
  text-align: center;
}

.metric-board {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric-board div {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: start;
  min-height: 154px;
  padding: 22px;
  column-gap: 14px;
}

.metric-board i,
.metric-icon {
  display: grid;
  grid-row: 1 / span 2;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  background: var(--yellow);
  color: var(--wine);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 950;
}

.metric-icon {
  padding: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.metric-board span {
  justify-self: end;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: right;
}

.metric-board strong {
  justify-self: end;
  color: var(--ink-strong);
  font-size: 2.55rem;
  line-height: 1;
  text-align: right;
}

.metric-board strong:not([data-count]) {
  font-size: clamp(1.9rem, 2.45vw, 2.35rem);
}

.test-section {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1fr);
  gap: 48px;
  align-items: center;
}

.test-list {
  grid-template-columns: 1fr;
}

.test-list span {
  display: grid;
  grid-template-columns: 46px 1fr;
  align-items: center;
  gap: 14px;
  min-height: 68px;
  padding: 16px 18px;
  color: var(--ink-strong);
  font-weight: 860;
}

.test-list b {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 0.8rem;
}

.faq-list {
  display: grid;
  gap: 10px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-list details {
  padding: 0;
}

.faq-list summary {
  cursor: pointer;
  padding: 20px;
  color: var(--ink-strong);
  font-weight: 880;
}

.faq-list p {
  padding: 0 20px 20px;
}

.final-card {
  display: grid;
  grid-template-columns: 1fr 0.94fr;
  align-items: stretch;
  gap: 34px;
  overflow: hidden;
  border: 1px solid rgba(55, 25, 30, 0.14);
  border-radius: 30px;
  padding: 42px;
  background: var(--yellow);
  box-shadow: var(--shadow-lift);
}

.final-card p {
  max-width: 580px;
  color: var(--wine);
}

.final-graphic {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.14)),
    #fff4a6;
}

.mini-store {
  left: 34px;
  top: 62px;
  display: grid;
  place-items: center;
  width: 142px;
  height: 102px;
  border-radius: 20px;
  background: var(--paper);
  color: var(--wine);
  font-weight: 950;
}

.mini-store::before {
  content: "";
  position: absolute;
  top: -22px;
  left: 0;
  right: 0;
  height: 36px;
  border-radius: 16px 16px 0 0;
  background: repeating-linear-gradient(90deg, var(--yellow) 0 24px, #fff 24px 48px);
  border: 1px solid var(--line);
}

.final-qr {
  left: 70px;
  bottom: 58px;
  width: 150px;
  border-radius: var(--radius-lg);
  padding: 16px;
  text-align: center;
  transform: rotate(-3deg);
}

.final-qr .qr-code {
  border-color: var(--wine);
}

.final-qr span {
  display: block;
  margin-top: 10px;
  color: var(--ink-strong);
  font-weight: 900;
}

.final-phone {
  right: 34px;
  bottom: 38px;
  width: 238px;
  min-height: 350px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 38px 0 50px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer strong {
  display: block;
  color: var(--ink-strong);
}

.site-footer p {
  margin-bottom: 0;
}

.site-footer small {
  display: block;
  margin-top: 8px;
}

.site-footer .footer-info {
  display: grid;
  gap: 4px;
}

.site-footer .footer-info a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 1100px) {
  .hero,
  .split-section,
  .test-section,
  .final-card,
  .proof-layout,
  .case-layout {
    grid-template-columns: 1fr;
  }

  .hero-board {
    min-height: 600px;
  }

  .step-grid,
  .stress-grid,
  .feature-grid,
  .metric-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .system-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .system-flow span:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
    word-break: normal;
  }

  .site-header {
    width: 100%;
    min-height: 64px;
    padding: 10px 24px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .section-shell {
    width: 100%;
    max-width: none;
    margin-inline: 0;
    overflow: hidden;
    padding: 76px 24px;
  }

  .hero {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    gap: 36px;
    min-height: auto;
    padding-top: 34px;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero-copy > * {
    max-width: 100%;
  }

  .split-section,
  .test-section,
  .final-card,
  .proof-layout,
  .case-layout {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }

  .hero > *,
  .split-section > *,
  .test-section > *,
  .final-card > *,
  .proof-layout > *,
  .case-layout > * {
    min-width: 0;
    max-width: 100%;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.55rem, 11.4vw, 3.15rem);
    line-height: 1.04;
    overflow-wrap: anywhere;
  }

  h2 {
    font-size: clamp(2rem, 8.6vw, 2.85rem);
  }

  .hero-lede {
    width: 100%;
    max-width: 100%;
    font-size: 1.04rem;
    line-height: 1.68;
  }

  .btn {
    width: 100%;
    min-height: 56px;
    padding-inline: 16px;
    font-size: 0.96rem;
    white-space: normal;
  }

  .hero-actions {
    width: 100%;
  }

  .btn span,
  .hero-lede,
  .hero-lede p,
  .section-copy p,
  .section-heading p,
  .final-card p {
    max-width: 100%;
    word-break: break-word;
    overflow-wrap: anywhere;
  }

  .hero-board {
    width: 100%;
    max-width: 100%;
    min-height: 820px;
    border-radius: 24px;
  }

  .hero-mini-proof {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
    margin-top: 18px;
  }

  .hero-mini-proof span {
    display: grid;
    min-height: 34px;
    place-items: center;
    padding: 6px 8px;
    font-size: 0.76rem;
    line-height: 1.2;
    text-align: center;
  }

  .qr-stand {
    top: 28px;
    left: 50%;
    width: min(250px, calc(100% - 48px));
    transform: translateX(-50%) rotate(-1.5deg);
  }

  .report-card {
    top: 410px;
    right: 18px;
    left: 18px;
    width: auto;
  }

  .phone-main {
    right: 50%;
    bottom: 92px;
    width: 210px;
    min-height: 330px;
    transform: translateX(50%) rotate(1.5deg);
  }

  .install-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    right: 14px;
    bottom: 14px;
    left: 14px;
  }

  .install-strip span:last-child {
    grid-column: 1 / -1;
  }

  .logo-head {
    display: block;
    margin-inline: 0;
  }

  .logo-head h2 {
    margin-top: 8px;
    text-align: left;
  }

  .logo-track {
    animation-duration: 48s;
  }

  .logo-track figure {
    width: 250px;
    height: 142px;
  }

  .logo-track img {
    max-width: 174px;
    max-height: 96px;
  }

  .logo-track img[src$="logo_american.png"] {
    max-width: 210px;
  }

  .conversion-visual,
  .channel-compare,
  .event-kit,
  .click-flow,
  .step-grid,
  .conversion-steps,
  .stress-grid,
  .feature-grid,
  .metric-board,
  .system-flow,
  .proof-metrics,
  .case-infographic {
    grid-template-columns: 1fr;
  }

  .conversion-visual article {
    min-height: auto;
  }

  .conversion-steps article {
    min-height: auto;
  }

  .conversion-steps article:not(:last-child)::after {
    display: none;
  }

  .big-arrow {
    min-height: 54px;
  }

  .channel-compare ul {
    grid-template-columns: 1fr;
  }

  .comparison-table {
    display: grid;
    gap: 10px;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .comparison-table > div {
    grid-template-columns: 1fr;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--paper);
  }

  .comparison-table > div:first-child {
    display: none;
  }

  .comparison-table span {
    background: rgba(255, 225, 0, 0.32);
  }

  .comparison-table p {
    position: relative;
    padding-left: 76px;
  }

  .comparison-table p::before {
    position: absolute;
    top: 15px;
    left: 16px;
    border-radius: 999px;
    padding: 3px 8px;
    font-size: 0.72rem;
    font-weight: 900;
    line-height: 1.2;
  }

  .comparison-table p:nth-of-type(1)::before {
    content: "한계";
    background: rgba(55, 25, 30, 0.09);
    color: var(--muted);
  }

  .comparison-table p:nth-of-type(2)::before {
    content: "단골톡";
    background: var(--yellow);
    color: var(--wine);
  }

  .difference-section .system-flow {
    display: none;
  }

  .event-kit article {
    min-height: 230px;
  }

  .weather-visual {
    min-height: 680px;
  }

  .weather-card {
    right: 22px;
    left: 22px;
    width: auto;
  }

  .weather-card:first-child {
    top: 30px;
  }

  .weather-card.rain {
    top: 144px;
  }

  .weather-phone {
    right: 50%;
    bottom: 30px;
    width: min(242px, calc(100% - 48px));
    transform: translateX(50%);
  }

  .proof-dashboard {
    padding: 16px;
  }

  .stress-grid article {
    grid-template-rows: none;
    gap: 10px;
    min-height: auto;
    padding: 18px;
  }

  .stress-grid article::before {
    inset: 10px;
    border-style: solid;
  }

  .stress-grid span {
    font-size: 0.72rem;
  }

  .stress-grid h3 {
    margin: 0;
    border: 1px solid rgba(55, 25, 30, 0.1);
    border-radius: var(--radius-md);
    padding: 12px;
    background: #fffef8;
    font-size: 1.02rem;
  }

  .stress-grid h3::before,
  .stress-grid b::before {
    display: block;
    margin-bottom: 5px;
    font-size: 0.68rem;
    font-weight: 950;
    letter-spacing: 0.02em;
  }

  .stress-grid h3::before {
    content: "문제";
    color: var(--muted);
  }

  .stress-grid i {
    justify-self: center;
    width: 32px;
    height: 26px;
    background: transparent;
  }

  .stress-grid i::before {
    content: "↓";
    display: grid;
    place-items: center;
    width: 32px;
    height: 26px;
    border-radius: 999px;
    background: var(--yellow);
    color: var(--wine);
    font-weight: 950;
  }

  .stress-grid i::after {
    display: none;
  }

  .stress-grid b {
    display: grid;
    min-height: 70px;
    place-items: center;
    padding: 13px;
    background: var(--yellow);
    color: var(--wine);
    text-align: center;
  }

  .stress-grid b::before {
    content: "해결";
    color: rgba(55, 25, 30, 0.64);
  }

  .case-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .case-tab {
    display: grid;
    min-height: 58px;
    place-items: center;
    padding: 10px 8px;
    border-radius: var(--radius-md);
    text-align: center;
  }

  .case-tab span {
    margin-bottom: 0;
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  .case-tab h3 {
    display: none;
  }

  .case-tab p {
    display: none;
  }

  .case-infographic {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    padding: 14px;
  }

  .case-stat {
    padding: 14px;
  }

  .case-stat strong {
    font-size: clamp(1.28rem, 7vw, 1.8rem);
  }

  .case-stat.hero-stat strong {
    font-size: clamp(2rem, 10vw, 2.6rem);
  }

  .metric-board div {
    min-height: 124px;
  }

  .final-card {
    gap: 24px;
    padding: 24px;
  }

  .final-graphic {
    min-height: 560px;
  }

  .mini-store {
    left: 22px;
    top: 58px;
  }

  .final-qr {
    left: 22px;
    bottom: 34px;
  }

  .final-phone {
    right: 18px;
    bottom: 118px;
    width: min(210px, calc(100% - 44px));
    min-height: 318px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    width: auto;
    margin-inline: 24px;
    gap: 14px;
  }
}

@media (max-width: 420px) {
  .section-shell {
    width: 100%;
    max-width: none;
    margin-inline: 0;
    padding-inline: 22px;
  }

  .site-header {
    padding-inline: 22px;
  }

  .hero-board {
    min-height: 850px;
  }

  .report-metrics {
    grid-template-columns: 1fr 1fr;
  }

  .metric-board div {
    grid-template-columns: 52px minmax(0, 1fr);
    column-gap: 12px;
    padding: 20px;
  }

  .metric-board strong {
    font-size: 2.18rem;
  }

  .metric-board strong:not([data-count]) {
    font-size: 1.9rem;
  }
}

@media (max-width: 520px) {
  .site-header,
  .section-shell {
    width: min(100%, 390px);
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
  }

  h2 {
    font-size: 1.84rem;
    line-height: 1.14;
    word-break: keep-all;
    overflow-wrap: break-word;
  }

  .logo-marquee,
  .logo-proof {
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
  }
}

@media (prefers-reduced-motion: reduce) {
  .logo-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
  }

  .logo-track[aria-hidden="true"] {
    display: none;
  }

  .btn,
  .case-tab {
    transition: none;
  }
}

/* Generated visual assets replace the earlier PDF-crop mockups in v3. */
.pdf-card {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(55, 25, 30, 0.14);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow-lift);
}

.pdf-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-width: 0;
  object-fit: contain;
}

.pdf-card.wide {
  width: 100%;
}

.support-visual {
  max-width: 880px;
  margin-top: 22px;
  margin-inline: auto;
}

.split-section > .pdf-card,
.test-section > .pdf-card,
.final-card > .pdf-card,
.section-shell > .pdf-card {
  justify-self: stretch;
  align-self: center;
}

.hero-board.pdf-card {
  min-height: 0;
  height: auto;
  aspect-ratio: auto;
  background: var(--paper);
}

.conversion-visual.pdf-card,
.event-kit.pdf-card,
.weather-visual.pdf-card,
.final-graphic.pdf-card {
  display: block;
  min-height: 0;
  padding: 0;
  background: var(--paper);
}

.conversion-visual.pdf-card {
  grid-template-columns: none;
  gap: 0;
}

.event-kit.pdf-card {
  align-self: center;
}

.weather-visual.pdf-card {
  box-shadow: var(--shadow-lift);
}

.final-graphic.pdf-card {
  height: auto;
  min-height: 0;
  max-width: 560px;
  border-radius: 24px;
  justify-self: end;
}

.features-section .pdf-card,
.proof-section .pdf-card {
  background: #ffe100;
}

@media (max-width: 760px) {
  .pdf-card {
    width: 100%;
    max-width: 100%;
    border-radius: 18px;
  }

  .support-visual {
    max-width: 100%;
  }

  .hero-board.pdf-card,
  .weather-visual.pdf-card,
  .final-graphic.pdf-card {
    width: 100%;
    max-width: 100%;
    min-height: 0;
    justify-self: stretch;
  }

  .final-graphic.pdf-card {
    aspect-ratio: auto;
  }
}