:root {
  --green-900: #243f31;
  --green-700: #4f7f62;
  --green-500: #78a881;
  --green-100: #edf6ed;
  --cream: #fffaf1;
  --sand: #f3e6d1;
  --brown: #8a6546;
  --ink: #20302a;
  --muted: #64716b;
  --line: rgba(36, 63, 49, .14);
  --shadow: 0 24px 60px rgba(52, 75, 60, .15);
  --radius-lg: 30px;
  --radius-md: 20px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}
.section-pad { padding: 96px 0; }
.soft-bg { background: linear-gradient(180deg, #f7f0e3 0%, #eef6ed 100%); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px max(24px, calc((100vw - var(--container)) / 2));
  background: rgba(255, 250, 241, .86);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-scrolled {
  border-color: var(--line);
  box-shadow: 0 12px 30px rgba(36, 63, 49, .08);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--green-900); }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50% 50% 44% 50%;
  color: #fff;
  background: var(--green-700);
}
.nav { display: flex; align-items: center; gap: 26px; color: var(--muted); font-size: 14px; font-weight: 700; }
.nav a:hover { color: var(--green-700); }

.button,
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover,
.header-cta:hover { transform: translateY(-2px); }
.primary,
.header-cta {
  color: #fff;
  background: linear-gradient(135deg, var(--green-700), #6aa96f);
  box-shadow: 0 12px 28px rgba(79, 127, 98, .24);
}
.ghost {
  color: var(--green-900);
  background: rgba(255, 255, 255, .7);
  border: 1px solid var(--line);
}
.large { min-height: 58px; padding-inline: 30px; }

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 110px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -140px -120px auto auto;
  width: 460px;
  height: 460px;
  border-radius: 999px;
  background: rgba(120, 168, 129, .2);
  filter: blur(4px);
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 54px;
  align-items: center;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--green-700);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 {
  color: var(--green-900);
  font-family: "Shippori Mincho", serif;
  line-height: 1.25;
  letter-spacing: .02em;
}
h1 { margin-bottom: 22px; font-size: clamp(40px, 5vw, 68px); }
h2 { margin-bottom: 18px; font-size: clamp(30px, 3.4vw, 46px); }
h3 { margin-bottom: 10px; color: var(--green-900); font-size: 20px; line-height: 1.45; }
p { color: var(--muted); }
.lead { max-width: 650px; font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0; }
.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
}
.hero-facts div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .6);
}
.hero-facts dt { color: var(--brown); font-size: 12px; font-weight: 800; }
.hero-facts dd { margin: 4px 0 0; color: var(--green-900); font-weight: 700; line-height: 1.5; }
.visual-card { position: relative; padding: 18px; border-radius: 42px; background: #fff; box-shadow: var(--shadow); }
.visual-card img { border-radius: 30px; }
.floating-note {
  position: absolute;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--green-900);
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 30px rgba(52, 75, 60, .14);
  font-size: 14px;
  font-weight: 800;
}
.note-one { left: -18px; bottom: 82px; }
.note-two { right: -14px; top: 70px; }

.split,
.price-layout,
.trust-grid,
.faq-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 56px;
  align-items: start;
}
.section-head p { max-width: 680px; }
.center { text-align: center; margin-inline: auto; }
.center p { margin-inline: auto; }
.worry-list { display: grid; gap: 16px; }
.worry-list article {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 22px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .72);
  border: 1px solid rgba(255, 255, 255, .8);
}
.worry-list span,
.flow span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #fff;
  background: var(--green-700);
  font-weight: 800;
}
.worry-list p { margin: 0; color: var(--ink); font-weight: 700; }

.card-grid { display: grid; gap: 22px; margin-top: 42px; }
.three { grid-template-columns: repeat(3, 1fr); }
.service-card,
.price-panel,
.trust-list,
.flow article,
.cta-box,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .75);
  box-shadow: 0 16px 40px rgba(52, 75, 60, .08);
}
.service-card { padding: 30px; }
.icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 20px;
  border-radius: 18px;
  color: var(--green-900);
  background: var(--green-100);
  font-weight: 800;
}
.service-card p,
.flow p,
.trust-list p { margin-bottom: 0; }

.price-section { background: #fbf7ee; }
.price-layout { align-items: center; }
.price-panel { padding: 12px; }
.panel-row { padding: 24px; border-bottom: 1px solid var(--line); }
.panel-row:last-child { border-bottom: 0; }
.panel-row span { display: block; color: var(--brown); font-size: 13px; font-weight: 800; }
.panel-row strong { display: block; margin: 5px 0; color: var(--green-900); font-size: 24px; }
.panel-row p { margin: 0; }
.price-layout .button { margin-top: 18px; }

.trust-list { display: grid; gap: 0; padding: 12px; }
.trust-list div { padding: 24px; border-bottom: 1px solid var(--line); }
.trust-list div:last-child { border-bottom: 0; }

.flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 42px;
}
.flow article { padding: 28px; }
.flow span { margin-bottom: 18px; }
.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 26px;
  padding: 34px;
  background: var(--green-900);
}
.cta-box h2 { margin-bottom: 8px; color: #fff; font-size: clamp(26px, 3vw, 38px); }
.cta-box p { margin-bottom: 0; color: rgba(255, 255, 255, .78); }

.faq-section { padding-top: 84px; }
.faq-list { display: grid; gap: 14px; }
.faq-list details { padding: 20px 24px; }
.faq-list summary { cursor: pointer; color: var(--green-900); font-weight: 800; }
.faq-list p { margin: 12px 0 0; }
.footer { padding: 42px 0 110px; color: rgba(255,255,255,.82); background: var(--green-900); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; align-items: center; }
.footer strong { color: #fff; font-size: 20px; }
.footer p { margin: 6px 0 0; color: rgba(255,255,255,.7); }
.footer a { font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }
.mobile-cta { display: none; }

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .site-header { padding: 12px 20px; }
  .nav { display: none; }
  .header-cta { display: none; }
  .section-pad { padding: 72px 0; }
  .hero { padding-top: 72px; }
  .hero-grid,
  .split,
  .price-layout,
  .trust-grid,
  .faq-layout { grid-template-columns: 1fr; gap: 34px; }
  .three,
  .flow { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: 1fr; }
  .floating-note { position: static; display: inline-flex; margin: 10px 6px 0 0; }
  .cta-box { align-items: stretch; flex-direction: column; }
  .footer-inner { align-items: flex-start; flex-direction: column; }
  .mobile-cta {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 60;
    display: block;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: rgba(255, 250, 241, .92);
    border-top: 1px solid var(--line);
    backdrop-filter: blur(16px);
  }
  .mobile-cta .button { width: 100%; }
}

@media (max-width: 520px) {
  .container { width: min(100% - 28px, var(--container)); }
  h1 { font-size: 38px; }
  .lead { font-size: 16px; }
  .hero-actions .button { width: 100%; }
  .service-card,
  .flow article,
  .cta-box { padding: 24px; border-radius: 24px; }
  .brand-text { font-size: 15px; }
}
