:root {
  --bg: #ffffff;
  --bg-soft: #f5f4f0;
  --bg-tint: #eef3ec;
  --text: #4a4a48;
  --text-strong: #3a3d39;
  --text-muted: #7a7d77;
  --sage: #7fa37a;
  --sage-dark: #5f7f5b;
  --accent: #f6c85f;
  --accent-hover: #efb93c;
  --bar: #5a5d58;
  --line: #e4e3dd;
  --radius: 14px;
  --font: "Pretendard", "Montserrat", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --font-en: "Montserrat", "Pretendard", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { color: var(--text-strong); margin: 0; line-height: 1.3; }
p { margin: 0; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 800px; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--text-strong);
  font-weight: 700;
  font-size: 17px;
  padding: 14px 32px;
  border-radius: 999px;
  transition: background .2s, transform .2s;
}
.btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-small { font-size: 14px; padding: 9px 20px; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--text-strong);
  font-size: 14px;
  padding: 10px 20px;
  width: 100%;
  text-align: center;
}
.btn-outline:hover { background: var(--text-strong); color: #fff; }
.btn.is-disabled { opacity: .45; pointer-events: none; }

.eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sage-dark);
  margin-bottom: 14px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 40px; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo span {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -.01em;
  color: var(--text-strong);
}
.nav { display: flex; gap: 32px; flex: 1; }
.nav a { font-size: 15px; color: var(--text); transition: color .2s; }
.nav a:hover { color: var(--sage-dark); }
.menu-toggle { display: none; }

/* Bars */
.trust-bar { background: var(--bar); color: #fff; }
.trust-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
}
.trust-inner span { padding: 16px 12px; }
.trust-inner span + span { border-left: 1px solid rgba(255, 255, 255, .35); }

.benefit-bar { background: var(--bg-tint); color: var(--sage-dark); }
.benefit-inner {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 18px 24px;
  font-weight: 600;
  font-size: 15px;
}

/* Hero */
.hero { background: var(--bg-soft); overflow: hidden; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  align-items: center;
  gap: 40px;
  min-height: 560px;
  padding-top: 64px;
  padding-bottom: 64px;
}
.hero h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 700; letter-spacing: -.02em; }
.hero .lead { font-size: 17px; color: var(--text-muted); margin: 20px 0 34px; }

.hero-visual { position: relative; height: 420px; display: grid; place-items: center; }
.kit-box { position: relative; z-index: 2; width: 280px; transform: rotate(-4deg); }
.kit-lid {
  height: 46px;
  background: #fbfaf6;
  border-radius: 10px 10px 4px 4px;
  box-shadow: 0 6px 0 -2px #e8e6de;
}
.kit-body {
  height: 220px;
  margin-top: 6px;
  background: #fff;
  border-radius: 6px 6px 14px 14px;
  box-shadow: 0 30px 60px -20px rgba(60, 70, 55, .3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.kit-body strong { font-family: var(--font-en); font-size: 26px; color: var(--text-strong); }
.kit-body small { font-family: var(--font-en); font-size: 11px; letter-spacing: .3em; color: var(--sage-dark); }
.blob { position: absolute; border-radius: 50%; }
.blob-1 { width: 340px; height: 340px; background: var(--bg-tint); }
.blob-2 { width: 120px; height: 120px; background: var(--accent); opacity: .55; right: 12%; top: 10%; }

/* Sections */
.section { padding: 96px 0; }
.section-tint { background: var(--bg-soft); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 44px;
}
.section-head h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; letter-spacing: -.02em; }
.section-head.center { flex-direction: column; align-items: center; text-align: center; gap: 12px; }
.section-head.center p { color: var(--text-muted); }
.link-more { font-weight: 600; color: var(--sage-dark); white-space: nowrap; }
.link-more:hover { text-decoration: underline; }

/* Products */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .25s, transform .25s;
}
.product-card:hover { box-shadow: 0 18px 40px -20px rgba(60, 70, 55, .35); transform: translateY(-3px); }
.product-img { position: relative; aspect-ratio: 4 / 3; display: grid; place-items: center; }
.tone-sage { background: var(--bg-tint); color: var(--sage); }
.tone-sand { background: #f6efe2; color: #c49a55; }
.tone-mist { background: #eef0f3; color: #9aa3ad; }
.product-icon { width: 46%; }
.product-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--text-strong);
  color: #fff;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}
.product-tag.tag-soon { background: #9aa3ad; font-family: var(--font); }
.product-body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-body h3 { font-size: 20px; }
.product-body p { font-size: 15px; color: var(--text-muted); flex: 1; margin-bottom: 12px; }

.categories { margin-top: 64px; }
.categories h3 { font-size: 18px; margin-bottom: 18px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  border: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  transition: background .2s, border-color .2s;
}
.chip:hover { background: var(--bg-tint); border-color: var(--sage); }

/* Steps */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.steps li { background: #fff; border-radius: var(--radius); padding: 36px 30px; }
.step-num {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 15px;
  color: var(--sage-dark);
  background: var(--bg-tint);
  padding: 6px 12px;
  border-radius: 8px;
  margin-bottom: 20px;
}
.steps h3 { font-size: 20px; margin-bottom: 10px; }
.steps p { color: var(--text-muted); font-size: 15px; }

/* About */
.about { display: grid; grid-template-columns: 1.2fr 1fr; gap: 72px; align-items: center; }
.about-text h2 { font-size: clamp(28px, 3.4vw, 38px); letter-spacing: -.02em; margin-bottom: 24px; }
.about-text p { margin-bottom: 16px; font-size: 16px; }
.about-text .btn { margin-top: 16px; }
.feature-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.feature-list li {
  display: flex;
  gap: 18px;
  align-items: center;
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.feature-list svg {
  width: 44px;
  height: 44px;
  padding: 10px;
  flex-shrink: 0;
  color: var(--sage-dark);
  background: #fff;
  border-radius: 50%;
}
.feature-list strong { display: block; color: var(--text-strong); font-size: 16px; }
.feature-list span { font-size: 14px; color: var(--text-muted); }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { background: #fff; border-radius: 12px; padding: 0 24px; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 32px 22px 0;
  font-weight: 600;
  font-size: 16px;
  color: var(--text-strong);
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--sage-dark);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { padding: 0 0 22px; color: var(--text-muted); font-size: 15px; }

/* Footer */
.site-footer { background: #3a3d39; color: #c9cbc5; padding: 64px 0 32px; font-size: 14px; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; }
.logo-light span { color: #fff; }
.footer-brand p { margin: 14px 0 22px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a:hover { color: #fff; }
.biz-info { font-style: normal; display: flex; flex-wrap: wrap; gap: 6px 20px; color: #9fa29b; line-height: 1.7; }
.footer-bottom {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: #8a8d86;
}

/* Legal pages */
.back-home { margin-left: auto; font-size: 15px; color: var(--text-muted); }
.back-home:hover { color: var(--sage-dark); }
.link-privacy { font-weight: 700; color: #fff; }

.legal { padding: 72px 0 96px; }
.legal h1 { font-size: clamp(28px, 4vw, 36px); letter-spacing: -.02em; }
.legal-meta { color: var(--text-muted); font-size: 14px; margin: 10px 0 32px; }
.legal section { margin-top: 44px; scroll-margin-top: 96px; }
.legal h2 { font-size: 19px; margin-bottom: 14px; }
.legal p, .legal li { font-size: 15px; }
.legal p + p { margin-top: 10px; }
.legal ul, .legal ol { padding-left: 22px; margin: 12px 0 0; }
.legal li + li { margin-top: 6px; }
.legal ul.plain { list-style: none; padding-left: 0; }
.legal a { color: var(--sage-dark); text-decoration: underline; text-underline-offset: 2px; }
.legal-toc {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-top: 28px;
}
.legal-toc ol { margin: 0; columns: 2; column-gap: 32px; }
.legal-toc a { text-decoration: none; color: var(--text); }
.legal-toc a:hover { color: var(--sage-dark); }
.table-wrap { overflow-x: auto; margin: 14px 0; }
.legal table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 14px; }
.legal th, .legal td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; vertical-align: top; }
.legal th { background: var(--bg-soft); color: var(--text-strong); font-weight: 600; }

/* Responsive */
@media (max-width: 900px) {
  .header-inner { gap: 16px; height: 64px; }
  .header-cta { margin-left: auto; }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 0;
    cursor: pointer;
    padding: 8px;
  }
  .menu-toggle span { height: 2px; background: var(--text-strong); border-radius: 2px; }
  .nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 16px 24px; border-top: 1px solid var(--line); }

  .hero-inner { grid-template-columns: 1fr; min-height: 0; padding-top: 48px; text-align: center; }
  .hero-visual { height: 300px; order: -1; }
  .kit-box { width: 210px; }
  .kit-body { height: 160px; }
  .blob-1 { width: 260px; height: 260px; }
  .br-desktop { display: none; }

  .product-grid, .steps { grid-template-columns: 1fr; }
  .about, .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .section { padding: 72px 0; }
}

@media (max-width: 600px) {
  .container { padding: 0 16px; }
  .trust-inner { grid-template-columns: 1fr; }
  .trust-inner span { padding: 8px; }
  .trust-inner span + span { border-left: 0; }
  .trust-inner span:not(:first-child) { display: none; }
  .benefit-inner { flex-direction: column; gap: 6px; text-align: center; padding: 14px 16px; font-size: 14px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; }
  .legal { padding: 48px 0 72px; }
  .legal-toc ol { columns: 1; }
}