:root {
  --color-main: #2f8a68;
  --color-main-dark: #1f6c50;
  --color-sub: #e8f6ef;
  --color-cream: #fff8eb;
  --color-accent: #f6b84b;
  --color-text: #24342e;
  --color-muted: #60736b;
  --color-line: #d9e8e1;
  --color-white: #fff;
  --shadow-soft: 0 18px 50px rgba(42, 102, 76, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --content-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--color-text);
  background: linear-gradient(180deg, #f9fffb 0%, #ffffff 22%, #ffffff 100%);
  line-height: 1.85;
  letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-main-dark); text-underline-offset: 0.18em; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217,232,225,0.9);
}
.site-header__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
  color: var(--color-main-dark);
  white-space: nowrap;
}
.site-logo__mark {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--color-sub);
  border: 1px solid var(--color-line);
  display: grid;
  place-items: center;
  font-size: 20px;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 0.94rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.site-nav a { text-decoration: none; color: var(--color-text); font-weight: 700; }
.site-nav a:hover { color: var(--color-main-dark); }

.page-main { overflow: hidden; }
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
}
.section { padding: 72px 0; }
.section--soft { background: var(--color-sub); }
.section--cream { background: var(--color-cream); }
.section__header { max-width: 760px; margin: 0 auto 34px; text-align: center; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  padding: 4px 14px;
  border-radius: 999px;
  background: #e6f6ed;
  color: var(--color-main-dark);
  font-weight: 800;
  font-size: 0.88rem;
}
.page-title, .section-title {
  margin: 0;
  color: var(--color-main-dark);
  line-height: 1.28;
  letter-spacing: 0.03em;
}
.page-title { font-size: clamp(2.1rem, 5vw, 4.2rem); }
.section-title { font-size: clamp(1.7rem, 3vw, 2.65rem); }
.lead {
  margin: 18px 0 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
}

.hero {
  padding: 70px 0 78px;
  background:
    radial-gradient(circle at 8% 18%, rgba(246,184,75,0.24), transparent 24%),
    radial-gradient(circle at 95% 5%, rgba(47,138,104,0.18), transparent 30%),
    linear-gradient(135deg, #f8fffb 0%, #fff7e8 100%);
}
.hero__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: 42px;
}
.hero__body { max-width: 620px; }
.hero__text { margin: 22px 0 0; font-size: 1.12rem; color: var(--color-muted); }
.hero__visual {
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(217,232,225,0.9);
  border-radius: var(--radius-lg);
  padding: 14px;
  box-shadow: var(--shadow-soft);
  transform: rotate(1.2deg);
}
.hero__visual img {
  border-radius: 22px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}
.hero__caption { margin: 10px 4px 0; color: var(--color-muted); font-size: 0.88rem; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 12px 34px rgba(42,102,76,0.08);
}
.card__image {
  background: #f7fcf9;
  border-radius: 16px;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid #e4f0eb;
}
.card h3 { margin: 0 0 10px; color: var(--color-main-dark); font-size: 1.18rem; line-height: 1.5; }
.card p { margin: 0; color: var(--color-muted); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 1.06fr);
  gap: 42px;
  align-items: center;
}
.split--reverse { grid-template-columns: minmax(320px, 1.06fr) minmax(0, 0.94fr); }
.split__visual {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.split__content p { color: var(--color-muted); }
.feature-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.feature-list li {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 12px 16px;
  font-weight: 700;
  color: var(--color-main-dark);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.info-table th, .info-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
  text-align: left;
}
.info-table th { width: 220px; background: #ecf8f2; color: var(--color-main-dark); }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }

.article {
  max-width: 880px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(26px, 5vw, 54px);
  box-shadow: var(--shadow-soft);
}
.article h2 { margin: 36px 0 10px; color: var(--color-main-dark); font-size: 1.45rem; }
.article h2:first-child { margin-top: 0; }
.article p, .article li { color: var(--color-muted); }
.article ul { padding-left: 1.4em; }
.article .note {
  background: #fff8eb;
  border-left: 5px solid var(--color-accent);
  padding: 14px 16px;
  border-radius: 12px;
}

.contact-box {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 6vw, 58px);
  box-shadow: var(--shadow-soft);
}
.contact-mail {
  display: inline-flex;
  margin: 18px 0 8px;
  padding: 14px 22px;
  border-radius: 999px;
  background: var(--color-main);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  word-break: break-all;
}
.ad-slot {
  max-width: 780px;
  margin: 46px auto 0;
  min-height: 96px;
  border: 1px dashed #b8cec4;
  border-radius: 16px;
  background: rgba(255,255,255,0.72);
  display: grid;
  place-items: center;
  color: #789087;
  font-size: 0.88rem;
}

.site-footer {
  background: #173d30;
  color: #eefaf3;
  margin-top: 0;
}
.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 38px 20px;
  display: grid;
  gap: 18px;
}
.site-footer__brand { margin: 0; font-weight: 900; font-size: 1.2rem; }
.site-footer__nav { display: flex; flex-wrap: wrap; gap: 14px 22px; }
.site-footer__nav a { color: #eefaf3; text-decoration: none; font-weight: 700; }
.site-footer__nav a:hover { text-decoration: underline; }
.site-footer__copy { margin: 0; color: #bbd6ca; font-size: 0.9rem; }

@media (max-width: 860px) {
  .site-header__inner { align-items: flex-start; flex-direction: column; gap: 10px; }
  .site-nav { justify-content: flex-start; gap: 12px 16px; }
  .hero__inner, .split, .split--reverse { grid-template-columns: 1fr; }
  .split--reverse .split__visual { order: 2; }
  .split--reverse .split__content { order: 1; }
  .card-grid { grid-template-columns: 1fr; }
  .section { padding: 54px 0; }
  .hero { padding: 52px 0; }
  .info-table th, .info-table td { display: block; width: 100%; }
  .info-table th { border-bottom: 0; padding-bottom: 4px; }
  .info-table td { padding-top: 4px; }
}

@media (max-width: 520px) {
  .site-nav { font-size: 0.86rem; }
  .hero__visual { transform: none; }
  .card, .article, .contact-box { border-radius: 20px; }
}