:root {
  --bg: #f6f8f4;
  --surface: #ffffff;
  --ink: #1f2a22;
  --ink-soft: #51604f;
  --green: #3f9d54;
  --green-deep: #2c7a3e;
  --green-soft: #e6f3ea;
  --accent: #f2a341;
  --line: #e3e9de;
  --shadow: 0 18px 50px rgba(31, 42, 34, 0.10);
  --radius: 20px;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Helvetica Neue", Arial, "Yu Gothic", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(246, 248, 244, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 66px; max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: .2px; }
.brand .leaf { width: 30px; height: 30px; display: grid; place-items: center;
  background: var(--green); color: #fff; border-radius: 9px; font-size: 1rem; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--ink-soft); font-weight: 600; font-size: .95rem; }
.nav-links a:hover { color: var(--green-deep); text-decoration: none; }

/* Hero */
.hero { padding: 84px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow {
  display: inline-block; font-size: .82rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--green-deep);
  background: var(--green-soft); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.3rem); line-height: 1.25; letter-spacing: -.01em; margin-bottom: 18px; }
.hero h1 .hl { color: var(--green-deep); }
.hero p.lead { font-size: 1.12rem; color: var(--ink-soft); margin-bottom: 28px; max-width: 34em; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700;
  padding: 13px 24px; border-radius: 999px; transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 10px 24px rgba(63,157,84,.32); }
.btn-primary:hover { transform: translateY(-2px); text-decoration: none; }
.btn-ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--green); text-decoration: none; }

/* Phone mock */
.phone {
  width: 260px; height: 530px; margin: 0 auto;
  background: linear-gradient(160deg, #2c7a3e, #57b96d 55%, #8fd49b);
  border-radius: 40px; padding: 14px; box-shadow: var(--shadow);
  position: relative;
}
.phone::before { content: ""; position: absolute; top: 18px; left: 50%; transform: translateX(-50%);
  width: 86px; height: 22px; background: rgba(0,0,0,.35); border-radius: 999px; }
.phone-screen {
  height: 100%; background: #fff; border-radius: 28px; overflow: hidden;
  display: flex; flex-direction: column;
}
.ps-top { flex: 1; background: linear-gradient(180deg, #dff0e3, #c2e6cb); position: relative; display: grid; place-items: center; }
.ps-plant { font-size: 5rem; filter: drop-shadow(0 8px 10px rgba(0,0,0,.15)); }
.ps-overlay { position: absolute; inset: 0; display: grid; place-items: center; }
.ps-ghost { font-size: 5rem; opacity: .35; transform: translate(10px, -8px); }
.ps-guide { position: absolute; inset: 26px; border: 2px dashed rgba(63,157,84,.6); border-radius: 16px; }
.ps-bottom { padding: 16px; text-align: center; background: #fff; }
.ps-day { font-weight: 800; color: var(--green-deep); }
.ps-shutter { width: 56px; height: 56px; border-radius: 50%; background: var(--green);
  margin: 10px auto 0; border: 4px solid #fff; box-shadow: 0 0 0 2px var(--green); }

/* Sections */
section.block { padding: 72px 0; }
section.block.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 40em; margin: 0 auto 48px; }
.section-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin-bottom: 12px; letter-spacing: -.01em; }
.section-head p { color: var(--ink-soft); font-size: 1.05rem; }

/* Value cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px; transition: transform .18s ease, box-shadow .18s ease;
}
section.block.alt .card { background: var(--bg); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ico { width: 52px; height: 52px; border-radius: 14px; background: var(--green-soft);
  display: grid; place-items: center; font-size: 1.6rem; margin-bottom: 16px; }
.card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: .98rem; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step { text-align: center; padding: 8px; }
.step .num { width: 44px; height: 44px; border-radius: 50%; background: var(--green); color: #fff;
  font-weight: 800; display: grid; place-items: center; margin: 0 auto 14px; }
.step h4 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: .92rem; }

/* Pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 760px; margin: 0 auto; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; }
.plan.pro { border: 2px solid var(--green); position: relative; }
.plan.pro .badge { position: absolute; top: -14px; right: 24px; background: var(--accent); color: #fff;
  font-size: .78rem; font-weight: 700; padding: 5px 14px; border-radius: 999px; }
.plan h3 { font-size: 1.3rem; margin-bottom: 4px; }
.plan .price { font-size: 1.05rem; color: var(--ink-soft); margin-bottom: 18px; }
.plan ul { list-style: none; }
.plan li { padding: 8px 0 8px 28px; position: relative; color: var(--ink-soft); }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }

/* CTA band */
.cta-band { background: linear-gradient(135deg, var(--green-deep), var(--green)); color: #fff; text-align: center; }
.cta-band h2 { color: #fff; }
.cta-band .section-head p { color: rgba(255,255,255,.9); }
.cta-band .btn-primary { background: #fff; color: var(--green-deep); box-shadow: 0 10px 24px rgba(0,0,0,.2); }

/* Legal / content page */
.page { padding: 56px 0 80px; }
.page h1 { font-size: clamp(1.8rem, 3.5vw, 2.4rem); margin-bottom: 8px; }
.page .updated { color: var(--ink-soft); font-size: .92rem; margin-bottom: 36px; }
.page h2 { font-size: 1.3rem; margin: 34px 0 12px; padding-top: 8px; }
.page h3 { font-size: 1.08rem; margin: 22px 0 8px; }
.page p, .page li { color: var(--ink-soft); }
.page ul, .page ol { padding-left: 1.3em; margin: 8px 0; }
.page li { margin: 6px 0; }
.prose { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 36px 40px; box-shadow: var(--shadow); }

/* Contact */
.form-frame { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); display: flex; justify-content: center; overflow: hidden; }
.form-frame iframe { width: 100%; max-width: 640px; border: 0; }

/* Footer */
.site-footer { background: #20281f; color: #c8d2c4; padding: 44px 0 36px; margin-top: 40px; }
.footer-grid { display: flex; justify-content: space-between; align-items: flex-start; gap: 30px; flex-wrap: wrap; }
.footer-grid .brand { color: #fff; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: #c8d2c4; font-weight: 600; }
.footer-links a:hover { color: #fff; }
.copy { color: #8a9686; font-size: .85rem; margin-top: 24px; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; }

/* Responsive */
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .cards, .steps { grid-template-columns: 1fr 1fr; }
  .plans { grid-template-columns: 1fr; }
  .nav-links { gap: 14px; }
}
@media (max-width: 540px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .prose { padding: 24px 20px; }
}