:root {
  color: #193b35;
  background: #f5f3ed;
  font-family: "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 80% -10%, rgba(230, 164, 87, 0.2), transparent 32rem),
    #f5f3ed;
}

a { color: #1f6256; text-underline-offset: 0.2em; }
a:hover { color: #13483f; }

.site-header,
.site-main,
.site-footer {
  width: min(920px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 24px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.brand img { width: 42px; height: 42px; border-radius: 12px; }

.site-nav { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.9rem; }

.hero,
.paper {
  border: 1px solid rgba(36, 92, 81, 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 20px 55px rgba(25, 59, 53, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 28px;
  align-items: center;
  padding: clamp(28px, 6vw, 64px);
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 8px;
  color: #a8651e;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1, h2 { color: #173e37; letter-spacing: -0.035em; }
h1 { margin: 0 0 18px; font-size: clamp(2rem, 7vw, 4.2rem); line-height: 1.08; }
h2 { margin-top: 2.2rem; font-size: 1.4rem; }
p, li { line-height: 1.85; }

.lead { max-width: 42rem; color: #43615b; font-size: 1.05rem; }

.hero-icon {
  width: min(100%, 250px);
  justify-self: center;
  filter: drop-shadow(0 20px 32px rgba(25, 59, 53, 0.16));
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  background: #245c51;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button:hover { background: #173e37; color: #fff; }
.button.secondary { border: 1px solid #c8d7d3; background: transparent; color: #245c51; }

.paper { margin-top: 22px; padding: clamp(24px, 5vw, 52px); }
.paper h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
.paper section { max-width: 48rem; }
.paper li + li { margin-top: 0.35rem; }

.notice {
  margin-top: 28px;
  padding: 18px 20px;
  border-left: 4px solid #e6a457;
  border-radius: 0 14px 14px 0;
  background: #fff8ec;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-block: 28px 40px;
  color: #657b76;
  font-size: 0.82rem;
}

@media (max-width: 680px) {
  .site-header { align-items: flex-start; }
  .site-nav { justify-content: flex-end; }
  .hero { grid-template-columns: 1fr; }
  .hero-icon { width: 160px; grid-row: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}