:root {
  --main: #2d6a4f;
  --main-dark: #1b4332;
  --accent: #95d5b2;
  --ink: #1b1b1b;
  --soft: #f1f8f4;
  --line: #d8e8de;
  --maxw: 1080px;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(27, 67, 50, .10);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  color: var(--ink);
  line-height: 1.75;
  background: #fff;
}
a { color: var(--main); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
.site-head {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.site-head .wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: 16px;
}
.logo { font-weight: 800; color: var(--main-dark); display: flex; align-items: center; gap: 10px; }
.logo-mark {
  display: grid; place-items: center; width: 36px; height: 36px;
  border-radius: 8px; background: var(--main); color: #fff; font-size: .72rem;
}
.gnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; }
.gnav a { font-weight: 600; color: var(--ink); }
.gnav a[aria-current="page"] { color: var(--main); }
.hero {
  background: linear-gradient(135deg, var(--main-dark), var(--main));
  color: #fff; padding: 72px 0;
}
.hero h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: 0 0 12px; line-height: 1.3; }
.hero p { margin: 0; max-width: none; opacity: .95; }
.hero-cta {
  display: inline-block; margin-top: 22px; padding: 12px 22px;
  background: var(--accent); color: var(--main-dark); border-radius: 999px; font-weight: 700;
}
section { padding: 56px 0; }
.sec-alt { background: var(--soft); }
.sec-head h2 { margin: 0 0 8px; color: var(--main-dark); font-size: 1.6rem; }
.sec-head p { margin: 0 0 28px; color: #4d5d55; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3 { margin: 0 0 8px; color: var(--main-dark); font-size: 1.05rem; }
.card p { margin: 0; color: #4d5d55; font-size: .95rem; }
.more { margin-top: 24px; }
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 999px;
  background: var(--main); color: #fff; font-weight: 700;
}
.btn:hover { text-decoration: none; background: var(--main-dark); }
table.spec { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; }
table.spec th, table.spec td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
table.spec th { width: 28%; background: var(--soft); color: var(--main-dark); }
.contact-form .field { margin-bottom: 16px; }
.contact-form label { display: block; font-weight: 600; margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--line);
  border-radius: 8px; font: inherit;
}
.contact-form textarea { min-height: 120px; resize: vertical; }
footer { background: var(--main-dark); color: #dcefe4; padding: 28px 0; margin-top: 20px; }
footer .copy { text-align: center; font-size: .85rem; opacity: .85; margin-top: 12px; }
.fictional-note {
  background: #fff8e6; border: 1px solid #f0d48a; color: #6b5a1e;
  padding: 10px 14px; border-radius: 8px; font-size: .88rem; margin-bottom: 18px;
}
@media (max-width: 820px) {
  .cards { grid-template-columns: 1fr; }
  .gnav ul { gap: 10px; font-size: .92rem; }
}