:root {
  --bg: #f7f6f1;
  --sage: #687568;
  --sage-light: #dde2d9;
  --sand: #e5ded0;
  --surface: #ffffff;
  --soft: #ecebe4;
  --text: #1c1d1a;
  --muted: #676b63;
  --line: #d8d8d0;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.narrow { max-width: 840px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 246, 241, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(28, 29, 26, .08);
}
.nav-wrap {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img { width: 340px; max-height: 70px; object-fit: contain; object-position: left center; }
nav { display: flex; gap: 28px; color: var(--muted); font-size: .95rem; }
nav a:hover { color: var(--sage); }

.hero {
  min-height: 78vh;
  display: grid;
  align-items: center;
  padding: 86px 0 100px;
}
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 76px; }
.eyebrow, .section-label {
  display: inline-block;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: .76rem;
  font-weight: 700;
  color: var(--muted);
}
h1, h2, h3 { margin: 0; line-height: 1.05; letter-spacing: -.035em; }
h1 { margin-top: 18px; font-size: clamp(3.4rem, 7vw, 6.8rem); }
h1 em, h2 { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
h1 em { font-style: italic; }
.lead { max-width: 680px; margin: 28px 0 34px; color: var(--muted); font-size: clamp(1.08rem, 1.7vw, 1.25rem); }
.button {
  display: inline-flex;
  padding: 14px 22px;
  border: 1px solid var(--sage);
  border-radius: 999px;
  font-weight: 600;
  color: var(--sage);
  transition: .2s ease;
}
.button:hover { background: var(--sage); color: #fff; }

.hero-visual {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 28px;
  background: var(--sage-light);
  isolation: isolate;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(104,117,104,.25);
  border-radius: 50%;
}
.ring { position: absolute; border: 1px solid rgba(104,117,104,.24); border-radius: 50%; }
.ring-a { width: 290px; height: 290px; right: 4%; top: 10%; }
.ring-b { width: 170px; height: 170px; left: 7%; bottom: 7%; }
.drop { position: absolute; border-radius: 50%; mix-blend-mode: multiply; }
.drop-a { width: 190px; height: 190px; left: -35px; bottom: -42px; background: #b7c0b3; }
.drop-b { width: 160px; height: 160px; right: 9%; bottom: 8%; background: #a3ae9f; }
.drop-c { width: 96px; height: 96px; left: 28%; top: 14%; background: #f1f0ea; }
.visual-caption {
  position: absolute;
  z-index: 2;
  left: 34px;
  bottom: 30px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  line-height: 1.08;
}

.section { padding: 110px 0; border-top: 1px solid var(--line); }
.section-soft { background: var(--soft); }
.section h2 { margin: 14px 0 24px; font-size: clamp(2.5rem, 5vw, 4.4rem); }
.section p { color: var(--muted); font-size: 1.05rem; }
.section-intro, .knowledge { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: end; }
.section-intro > p { margin: 0; }
.cards { margin-top: 56px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.info-card {
  min-height: 245px;
  padding: 28px;
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(28,29,26,.09);
  border-radius: 22px;
}
.card-number { display: block; margin-bottom: 52px; font-size: .78rem; color: var(--sage); font-weight: 700; letter-spacing: .12em; }
.info-card h3 { font-size: 1.65rem; margin-bottom: 12px; }
.info-card p { margin: 0; font-size: .98rem; }
.notice { margin-top: 24px; padding: 18px 20px; border-left: 2px solid var(--text); background: #f1f0ea; color: var(--muted); font-size: .94rem; }
.site-footer { border-top: 1px solid var(--line); padding: 26px 0; color: var(--muted); font-size: .9rem; }
.footer-wrap { display: flex; justify-content: space-between; gap: 20px; }

@media (max-width: 820px) {
  .container { width: min(var(--max), calc(100% - 32px)); }
  .nav-wrap { min-height: 78px; }
  nav { display: none; }
  .hero { padding: 60px 0 72px; }
  .hero-grid, .section-intro, .knowledge { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { min-height: 320px; }
  .brand img { width: 235px; max-height: 58px; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 76px 0; }
  .footer-wrap { flex-direction: column; }
}