@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.min.css");

:root {
  color: #202124;
  background: #f8f7f4;
  font-family: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  font-weight: 500;
  color-scheme: light;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at top left, rgba(246, 221, 187, 0.72), transparent 30%),
    radial-gradient(circle at top right, rgba(222, 229, 255, 0.48), transparent 28%),
    linear-gradient(180deg, #fffaf1 0%, #f7f4ee 54%, #f2eee6 100%);
  color: #202124;
}

body.landing-page-chugi {
  background:
    radial-gradient(circle at top left, rgba(255, 216, 179, 0.8), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(255, 240, 214, 0.88), transparent 26%),
    linear-gradient(180deg, #fff7ef 0%, #f8f1e6 54%, #f3ecdf 100%);
}

body.landing-page-buui {
  background:
    radial-gradient(circle at top left, rgba(163, 182, 209, 0.34), transparent 28%),
    radial-gradient(circle at top right, rgba(230, 235, 241, 0.88), transparent 30%),
    linear-gradient(180deg, #f5f7fa 0%, #edf1f5 50%, #e5eaef 100%);
}

body.landing-page-excel {
  background:
    radial-gradient(circle at top left, rgba(208, 235, 220, 0.84), transparent 30%),
    radial-gradient(circle at 86% 10%, rgba(245, 235, 214, 0.82), transparent 24%),
    linear-gradient(180deg, #fbfcf7 0%, #f1f5eb 52%, #e8efe1 100%);
}

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

.landing-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.landing-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.landing-brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: #202124;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

body.landing-page-chugi .landing-brand-mark {
  background: #8d4f1b;
}

body.landing-page-buui .landing-brand-mark {
  background: #31465d;
}

body.landing-page-excel .landing-brand-mark {
  background: #3d6b51;
}

.landing-home-link {
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid #ded9cf;
  background: rgba(255, 255, 255, 0.86);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
  font-weight: 600;
}

body.landing-page-buui .landing-home-link {
  background: rgba(255, 255, 255, 0.7);
  border-color: #cfd7df;
}

body.landing-page-excel .landing-home-link {
  border-color: #cdd8ca;
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 20px;
  align-items: stretch;
  margin-bottom: 20px;
}

.landing-hero-copy,
.landing-hero-side,
.landing-section,
.landing-related {
  border: 1px solid rgba(32, 33, 36, 0.07);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 18px 48px rgba(28, 33, 42, 0.05);
}

.landing-hero-copy {
  padding: 44px 40px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 252, 247, 0.92) 100%);
}

body.landing-page-buui .landing-hero {
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
}

body.landing-page-buui .landing-hero-copy {
  order: 2;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.97) 0%, rgba(246, 248, 250, 0.94) 100%);
}

body.landing-page-buui .landing-hero-side {
  order: 1;
  background:
    linear-gradient(180deg, rgba(47, 66, 88, 0.96) 0%, rgba(33, 45, 60, 0.98) 100%);
  border-color: rgba(28, 40, 54, 0.3);
  box-shadow: 0 20px 50px rgba(29, 41, 55, 0.16);
}

body.landing-page-excel .landing-hero-copy {
  background:
    linear-gradient(180deg, rgba(248, 252, 246, 0.96) 0%, rgba(240, 247, 236, 0.92) 100%);
}

body.landing-page-excel .landing-hero-side {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(245, 248, 242, 0.92) 100%);
}

.landing-eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: #f2ede3;
  color: #7b7468;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

body.landing-page-chugi .landing-eyebrow {
  background: #f7e4cf;
  color: #8d4f1b;
}

body.landing-page-buui .landing-eyebrow {
  background: #e3ebf3;
  color: #31465d;
}

body.landing-page-excel .landing-eyebrow {
  background: #dfefe1;
  color: #3d6b51;
}

.landing-title {
  margin: 18px 0 14px;
  font-size: clamp(2.4rem, 4.8vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  max-width: 11ch;
}

.landing-subtitle {
  margin: 0;
  max-width: 38rem;
  color: #56606d;
  font-size: 1.08rem;
  line-height: 1.8;
}

.landing-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.landing-primary-button,
.landing-secondary-button {
  min-height: 54px;
  padding: 0 22px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
}

.landing-primary-button {
  background: #202124;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(32, 33, 36, 0.16);
}

body.landing-page-chugi .landing-primary-button {
  background: #8d4f1b;
  box-shadow: 0 14px 34px rgba(141, 79, 27, 0.2);
}

body.landing-page-buui .landing-primary-button {
  background: #31465d;
  box-shadow: 0 14px 34px rgba(49, 70, 93, 0.22);
}

body.landing-page-excel .landing-primary-button {
  background: #3d6b51;
  box-shadow: 0 14px 34px rgba(61, 107, 81, 0.18);
}

.landing-secondary-button {
  border: 1px solid #ddd6c8;
  background: #fffdfa;
  color: #4d5560;
}

body.landing-page-buui .landing-secondary-button {
  border-color: #c7d1dc;
  background: #f9fbfd;
}

body.landing-page-excel .landing-secondary-button {
  border-color: #c9d5c4;
  background: #fbfdf9;
}

.landing-hero-side {
  padding: 28px 24px;
  display: grid;
  gap: 14px;
  align-content: start;
}

.landing-stat {
  display: grid;
  gap: 8px;
  padding: 12px 2px;
  border-bottom: 1px solid #efe7da;
}

.landing-stat:last-child {
  border-bottom: none;
}

.landing-stat strong {
  font-size: 0.9rem;
  color: #7b7468;
}

.landing-stat p {
  margin: 0;
  font-size: 1.02rem;
  color: #27303b;
  line-height: 1.65;
}

body.landing-page-buui .landing-stat {
  border-bottom-color: rgba(255, 255, 255, 0.14);
}

body.landing-page-buui .landing-stat strong {
  color: #c7d5e4;
}

body.landing-page-buui .landing-stat p {
  color: #f3f6fa;
}

.landing-grid {
  display: grid;
  gap: 14px;
}

.landing-section {
  padding: 26px 28px;
}

body.landing-page-buui .landing-section,
body.landing-page-buui .landing-related {
  background: rgba(255, 255, 255, 0.92);
}

body.landing-page-excel .landing-section,
body.landing-page-excel .landing-related {
  background: rgba(251, 253, 249, 0.9);
}

.landing-section h2 {
  margin: 0 0 12px;
  font-size: 1.3rem;
  letter-spacing: -0.03em;
}

.landing-section p {
  margin: 0;
  color: #5f6672;
  line-height: 1.85;
  white-space: pre-line;
}

.landing-faq-list {
  display: grid;
  gap: 16px;
}

.landing-faq-item {
  display: grid;
  gap: 6px;
}

.landing-faq-item strong {
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.landing-faq-item span {
  color: #5f6672;
  line-height: 1.75;
}

.landing-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.landing-keyword {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: #f4efe6;
  color: #5f6672;
  display: inline-flex;
  align-items: center;
  font-size: 0.92rem;
  font-weight: 600;
}

body.landing-page-buui .landing-keyword {
  background: #e7edf3;
  color: #41556c;
}

body.landing-page-excel .landing-keyword {
  background: #e4efe4;
  color: #476853;
}

.landing-related {
  margin-top: 16px;
  padding: 24px;
}

.landing-related h2 {
  margin: 0 0 14px;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.landing-related-links {
  display: grid;
  gap: 12px;
}

.landing-related-link {
  padding: 16px 18px;
  border-radius: 18px;
  background: #fffdf9;
  border: 1px solid #ece4d6;
  display: grid;
  gap: 4px;
}

body.landing-page-buui .landing-related-link {
  background: #fbfcfe;
  border-color: #dbe3eb;
}

body.landing-page-excel .landing-related-link {
  background: #f9fcf6;
  border-color: #dbe7d8;
}

.landing-related-link strong {
  font-size: 1rem;
}

.landing-related-link span {
  color: #67707b;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .landing-shell {
    width: min(100%, calc(100% - 24px));
    padding: 18px 0 40px;
  }

  .landing-hero {
    grid-template-columns: 1fr;
  }

  body.landing-page-buui .landing-hero-copy,
  body.landing-page-buui .landing-hero-side {
    order: initial;
  }

  .landing-hero-copy,
  .landing-hero-side,
  .landing-section,
  .landing-related {
    border-radius: 24px;
  }

  .landing-hero-copy,
  .landing-section {
    padding: 24px 20px;
  }

  .landing-hero-side,
  .landing-related {
    padding: 22px 18px;
  }

  .landing-title {
    font-size: 2rem;
  }

  .landing-subtitle,
  .landing-section p,
  .landing-stat p,
  .landing-faq-item span {
    font-size: 0.98rem;
  }
}