:root {
  --green: #2f6b3a;
  --green-dark: #1f4a27;
  --green-light: #eef5ef;
  --text: #2b2b2b;
  --muted: #666;
  --line: #dde5de;
  --bg: #fafbf9;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, "Yu Gothic", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.9;
}
a { color: var(--green); }
img { max-width: 100%; height: auto; }

.site-header { background: #fff; border-bottom: 3px solid var(--green); }
.header-inner {
  max-width: 1040px; margin: 0 auto; padding: 16px;
  display: flex; align-items: center; gap: 16px;
}
.header-inner img { width: 64px; height: 64px; border-radius: 8px; }
.site-title { margin: 0; font-size: 1.5rem; line-height: 1.3; }
.site-title a { color: var(--text); text-decoration: none; }
.site-description { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }

.nav { background: var(--green); }
.nav ul {
  max-width: 1040px; margin: 0 auto; padding: 0 8px;
  list-style: none; display: flex; flex-wrap: wrap;
}
.nav a {
  display: block; padding: 10px 14px; color: #fff;
  text-decoration: none; font-size: .95rem;
}
.nav a:hover, .nav a[aria-current="page"] { background: var(--green-dark); }

.hero {
  background: linear-gradient(rgba(20,50,25,.55), rgba(20,50,25,.55)), url("img/extraction.jpg") center/cover;
  color: #fff; text-align: center; padding: 72px 16px;
}
.hero h2 { margin: 0 0 8px; font-size: 1.8rem; }
.hero p { margin: 0 auto; max-width: 720px; }

main { max-width: 1040px; margin: 0 auto; padding: 32px 16px 48px; }
.cards {
  display: grid; gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  overflow: hidden; display: flex; flex-direction: column;
}
.card img { width: 100%; height: 180px; object-fit: cover; }
.card .body { padding: 16px; flex: 1; }
.card h3 { margin: 0 0 8px; font-size: 1.05rem; line-height: 1.5; }
.card h3 a { color: var(--text); text-decoration: none; }
.card h3 a:hover { color: var(--green); }
.card p { margin: 0; color: var(--muted); font-size: .92rem; }

article {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 28px; max-width: 820px; margin: 0 auto;
}
article h2 { margin-top: 0; color: var(--green-dark); line-height: 1.5; }
article figure { margin: 0 0 20px; }
.photos { display: flex; gap: 12px; flex-wrap: wrap; }
.photos img { width: calc(50% - 6px); border-radius: 6px; }
.contact {
  background: var(--green-light); border-left: 4px solid var(--green);
  padding: 12px 16px; margin-top: 20px;
}
ol.biz { padding-left: 1.6em; }
dl.info { display: grid; grid-template-columns: 8em 1fr; gap: 6px 12px; }
dl.info dt { font-weight: bold; color: var(--green-dark); }
dl.info dd { margin: 0; }

.site-footer { background: #233; color: #dde; font-size: .9rem; }
.footer-inner { max-width: 1040px; margin: 0 auto; padding: 24px 16px; }
.site-footer a { color: #cfe8d2; }

@media (max-width: 600px) {
  .site-title { font-size: 1.2rem; }
  .hero { padding: 48px 16px; }
  .hero h2 { font-size: 1.4rem; }
  article { padding: 18px; }
  .photos img { width: 100%; }
  dl.info { grid-template-columns: 1fr; }
}