:root {
  color-scheme: light;
  --ink: #18231e;
  --muted: #64716a;
  --green: #2f6f4e;
  --green-dark: #214d38;
  --line: #dfe6e1;
  --surface: #f7f9f7;
  --white: #ffffff;
  --max-width: 920px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", YuGothic, Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { background: var(--surface); scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, var(--white) 0%, var(--surface) 44rem);
  font-size: 16px;
  line-height: 1.85;
}

a { color: var(--green-dark); text-underline-offset: 0.18em; }
a:hover { color: var(--green); }

.site-header {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 26px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 9px;
  border-radius: 50% 50% 50% 2px;
  background: var(--green);
  transform: rotate(-25deg);
}

.site-nav { display: flex; gap: 22px; font-size: 0.9rem; }
.site-nav a { color: var(--muted); text-decoration: none; }
.site-nav a[aria-current="page"] { color: var(--green-dark); font-weight: 600; }

main {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 76px 0 112px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.3; letter-spacing: -0.02em; }
h1 { max-width: 720px; margin: 0 0 22px; font-size: clamp(2.35rem, 6vw, 4.5rem); font-weight: 650; }
h2 { margin: 0 0 24px; font-size: clamp(1.45rem, 3vw, 2rem); font-weight: 650; }
h3 { margin: 0 0 8px; font-size: 1.08rem; font-weight: 650; }
p { margin: 0 0 20px; }

.lead { max-width: 680px; color: var(--muted); font-size: 1.12rem; }
.intro { margin-bottom: 74px; }

.content-section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}

.faq { display: grid; gap: 34px; }
.faq-item { max-width: 760px; }
.faq-item p { color: var(--muted); }
.question { margin-bottom: 6px; color: var(--green-dark); font-weight: 650; }

.contact {
  margin-top: 12px;
  padding: 28px 30px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.placeholder {
  display: inline-block;
  padding: 2px 8px;
  color: var(--green-dark);
  background: #edf4ef;
  border-radius: 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}

.policy section { padding: 34px 0; border-top: 1px solid var(--line); }
.policy ul { margin: 12px 0 20px; padding-left: 1.35rem; }
.policy li { margin: 5px 0; }
.policy .note { color: var(--muted); }

footer {
  width: min(100% - 40px, var(--max-width));
  margin: 0 auto;
  padding: 24px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .site-header, main, footer { width: min(100% - 32px, var(--max-width)); }
  .site-header { padding: 20px 0; align-items: flex-start; }
  .site-nav { gap: 13px; font-size: 0.82rem; }
  main { padding: 54px 0 80px; }
  .intro { margin-bottom: 50px; }
  .content-section, .policy section { padding: 30px 0; }
  .contact { padding: 22px; }
}