:root {
  --bg: #f7f7f4;
  --surface: #ffffff;
  --surface-alt: #f0f2ec;
  --text: #1f2822;
  --muted: #667168;
  --line: #dfe4dd;
  --accent: #2f6d4f;
  --accent-dark: #25583f;
  --accent-soft: #e4efe8;
  --max: 1120px;
  --radius: 18px;
  --shadow: 0 12px 34px rgba(31, 40, 34, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247,247,244,.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(223,228,221,.9);
}
.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .04em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  color: #fff;
  background: var(--accent);
  box-shadow: 0 8px 18px rgba(47,109,79,.18);
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 10px 22px rgba(47,109,79,.24); }
.btn-small { min-height: 40px; padding: 0 17px; font-size: .92rem; }
.text-link { font-weight: 700; text-underline-offset: 4px; }

.hero { padding: 92px 0 78px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0,1.18fr) minmax(320px,.82fr);
  align-items: center;
  gap: 64px;
}
.eyebrow, .section-kicker {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .11em;
}
.hero h1 {
  margin: 0;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 1.03;
  letter-spacing: -.045em;
}
.hero h1 span { color: var(--accent); }
.lead {
  margin: 24px 0 0;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #3f4942;
}
.hero-actions { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 30px; }
.micro { color: var(--muted); font-size: .84rem; line-height: 1.65; }
.hero .micro { margin-top: 13px; }
.hero-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.task {
  padding: 15px 16px;
  border-radius: 12px;
  background: #f6f8f5;
  border: 1px solid #e5e9e3;
  font-weight: 650;
}
.task-accent { background: var(--accent-soft); color: var(--accent-dark); border-color: #cfe0d4; }
.arrow { text-align: center; color: #8b948d; padding: 7px 0; font-weight: 800; }

.section { padding: 82px 0; }
.section.alt { background: var(--surface-alt); }
.section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  line-height: 1.25;
  letter-spacing: -.025em;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 18px;
  margin-top: 36px;
}
.card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.card h3 { margin: 0 0 8px; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); }

.two-col {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 68px;
  align-items: start;
}
.copy p { margin-top: 0; margin-bottom: 16px; color: #465048; }
.copy strong { color: var(--text); }

.steps {
  list-style: none;
  padding: 0;
  margin: 38px 0 0;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 18px;
}
.steps li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 16px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.steps li > span {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-weight: 800;
}
.steps h3 { margin: 2px 0 6px; font-size: 1.08rem; }
.steps p { margin: 0; color: var(--muted); }

.price-box {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
  gap: 30px;
  padding: 32px;
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.price-label { display: block; color: var(--muted); font-size: .9rem; margin-bottom: 2px; }
.price-box strong { font-size: 2.4rem; color: var(--accent); }
.price-box p { margin: 0; color: var(--muted); }

.contact-box {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
  padding: 38px;
  border-radius: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.contact-box p { color: var(--muted); }
.contact-action { text-align: center; }
.contact-action .btn { width: 100%; }

footer { padding: 34px 0 28px; border-top: 1px solid var(--line); background: #eef1ec; }
.footer-grid { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-grid span, .copyright { color: var(--muted); font-size: .88rem; }
.footer-grid nav a { text-underline-offset: 4px; }
.copyright { margin-top: 18px; }

@media (max-width: 860px) {
  .hero { padding-top: 64px; }
  .hero-grid, .two-col, .contact-box, .price-box { grid-template-columns: 1fr; gap: 34px; }
  .cards { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 62px; }
  .btn-small { padding: 0 13px; font-size: .84rem; }
  .hero { padding: 52px 0 56px; }
  .hero-grid { gap: 34px; }
  .hero-card { padding: 20px; border-radius: 20px; }
  .section { padding: 58px 0; }
  .cards { grid-template-columns: 1fr; }
  .card, .steps li { padding: 21px; }
  .contact-box { padding: 25px; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}