:root {
  --green-900: #123829;
  --green-700: #1b5e42;
  --green-600: #227a54;
  --green-500: #2c9668;
  --green-100: #e6f3ec;
  --green-50: #f4faf7;
  --accent: #f5a623;
  --accent-dark: #d68a0f;
  --ink: #1c2620;
  --gray-600: #5b6960;
  --gray-300: #d8e3dc;
  --white: #ffffff;
  --shadow: 0 12px 32px rgba(18, 56, 41, 0.12);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

html, body { overflow-x: hidden; }

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  font-size: 16px;
  width: 100%;
  overflow-wrap: break-word;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  display: inline-block;
  color: var(--green-600);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 16px;
}

.section-lead {
  color: var(--gray-600);
  font-size: 1rem;
  max-width: 640px;
}

.section-head {
  text-align: center;
  margin: 0 auto 48px;
}
.section-head .section-lead { margin-left: auto; margin-right: auto; }

section { padding: 88px 0; }
section.tight { padding: 64px 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--gray-300);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.logo {
  font-weight: 900;
  font-size: 1.25rem;
  color: var(--green-900);
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.logo .logo-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--green-500), var(--green-700));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; font-weight: 900;
}
.nav-links {
  display: flex;
  gap: 24px;
  font-weight: 500;
  font-size: 0.88rem;
}
.nav-links a { color: var(--ink); position: relative; white-space: nowrap; }
.nav-links a:hover { color: var(--green-600); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-tel { font-size: 0.85rem; color: var(--gray-600); text-align: right; line-height: 1.4; }
.header-tel strong { display: block; color: var(--green-900); font-size: 1.1rem; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; cursor: pointer; color: var(--green-900); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #472c00;
  box-shadow: 0 10px 24px rgba(245, 166, 35, 0.35);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border: 2px solid var(--green-600);
  color: var(--green-700);
}
.btn-outline:hover { background: var(--green-50); }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-block { width: 100%; }

/* Hero */
.hero {
  background: linear-gradient(180deg, var(--green-50) 0%, #ffffff 78%);
  padding: 64px 0 40px;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero-copy .badge {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-700);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.hero-copy h1 {
  font-size: clamp(1.9rem, 4vw, 2.7rem);
  font-weight: 900;
  line-height: 1.5;
  color: var(--green-900);
  margin-bottom: 20px;
}
.hero-copy h1 span { color: var(--green-600); }
.hero-copy p.lead {
  color: var(--gray-600);
  font-size: 1.02rem;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-note-list { display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 0.82rem; color: var(--gray-600); }
.hero-note-list li { white-space: nowrap; }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stats div { min-width: 110px; }
.hero-stats strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--green-700);
}
.hero-stats span { font-size: 0.78rem; color: var(--gray-600); }

.hero-media {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.hero-media img { width: 100%; height: 420px; object-fit: cover; }
.hero-media .float-card {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: #fff;
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  box-sizing: border-box;
}
.hero-media .float-card .dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--accent);
}

/* Marquee trust bar */
.trust-bar { background: var(--green-900); padding: 18px 0; }
.trust-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  color: #cfe8db;
  font-size: 0.85rem;
  font-weight: 500;
}
.trust-bar strong { color: #fff; }

/* Concerns / pain points */
.concerns { background: var(--white); }
.concern-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}
.concern-card {
  background: var(--green-50);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
}
.concern-card .icon { font-size: 1.8rem; margin-bottom: 12px; }
.concern-card p { font-size: 0.88rem; color: var(--ink); font-weight: 500; }

.concerns-lead {
  text-align: center;
  margin: 36px auto 0;
  max-width: 560px;
  font-weight: 700;
  color: var(--green-700);
  font-size: 1.05rem;
}

/* Service overview split */
.service-split { background: var(--green-50); }
.service-split .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}
.service-split img { border-radius: 20px; box-shadow: var(--shadow); height: 380px; width: 100%; object-fit: cover; }
.service-split ul { margin-top: 24px; }
.service-split li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--gray-300);
  font-size: 0.95rem;
}
.service-split li .check {
  color: var(--green-600);
  font-weight: 900;
  flex-shrink: 0;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.feature-card .num {
  width: 42px; height: 42px;
  border-radius: 10px;
  background: var(--green-100);
  color: var(--green-700);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.88rem; color: var(--gray-600); }

/* Team / about */
.about-split { background: var(--white); }
.about-split .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.about-split img { border-radius: 20px; box-shadow: var(--shadow); height: 380px; width: 100%; object-fit: cover; }
.about-badges { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.about-badges span {
  background: var(--green-100);
  color: var(--green-700);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
}

/* Flow */
.flow { background: var(--green-900); color: #fff; }
.flow .section-head .section-title { color: #fff; }
.flow .section-head .section-lead { color: #b9d6c6; }
.flow .eyebrow { color: #9fdcb9; }
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.flow-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 28px 20px;
  position: relative;
}
.flow-card .step-no {
  font-size: 0.78rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.flow-card h3 { font-size: 1rem; margin-bottom: 10px; }
.flow-card p { font-size: 0.85rem; color: #cfe8db; }

/* Pricing */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.price-card {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
  background: #fff;
}
.price-card.featured {
  border: 2px solid var(--green-600);
  box-shadow: var(--shadow);
  position: relative;
  transform: translateY(-8px);
}
.price-card.featured .ribbon {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--accent);
  color: #472c00;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
}
.price-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.price-card .desc { color: var(--gray-600); font-size: 0.82rem; margin-bottom: 20px; }
.price-card .amount { font-size: 2.1rem; font-weight: 900; color: var(--green-700); margin-bottom: 4px; }
.price-card .amount span { font-size: 0.9rem; font-weight: 500; color: var(--gray-600); }
.price-card ul { text-align: left; margin: 22px 0; }
.price-card li { font-size: 0.86rem; padding: 7px 0; display: flex; gap: 8px; }
.price-card li .check { color: var(--green-600); font-weight: 900; }
.price-note { text-align: center; color: var(--gray-600); font-size: 0.82rem; margin-top: 28px; }

/* FAQ */
.faq { background: var(--green-50); }
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: 12px;
  margin-bottom: 14px;
  overflow: hidden;
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.96rem;
}
.faq-q .q-mark { color: var(--green-600); font-weight: 900; }
.faq-q .toggle { font-size: 1.3rem; color: var(--green-600); transition: transform .2s ease; flex-shrink: 0; }
.faq-item.open .toggle { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease;
  padding: 0 22px;
  color: var(--gray-600);
  font-size: 0.9rem;
}
.faq-item.open .faq-a { max-height: 260px; padding: 0 22px 20px; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--green-700), var(--green-900));
  color: #fff;
}
.cta .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.cta h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; margin-bottom: 16px; line-height: 1.5; }
.cta p { color: #cfe8db; margin-bottom: 28px; max-width: 460px; }
.cta-form {
  background: #fff;
  border-radius: 18px;
  padding: 32px;
  color: var(--ink);
  box-shadow: var(--shadow);
}
.cta-form h3 { font-size: 1.05rem; margin-bottom: 4px; }
.cta-form .sub { font-size: 0.82rem; color: var(--gray-600); margin-bottom: 20px; }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 0.82rem; font-weight: 700; margin-bottom: 6px; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  padding: 12px 14px;
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--green-50);
}
.form-row textarea { resize: vertical; min-height: 90px; }
.form-note { font-size: 0.75rem; color: var(--gray-600); margin-top: 12px; text-align: center; }

/* Footer */
footer.site-footer {
  background: var(--green-900);
  color: #b9d6c6;
  padding: 56px 0 28px;
  font-size: 0.85rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-grid .logo { color: #fff; margin-bottom: 12px; }
.footer-grid h4 { color: #fff; font-size: 0.88rem; margin-bottom: 14px; }
.footer-grid li { margin-bottom: 9px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  color: #8fb8a2;
  font-size: 0.78rem;
}

/* Utility */
.scroll-note { display: none; }

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-media img { height: 300px; }
  .concern-grid { grid-template-columns: repeat(3, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .service-split .container, .about-split .container { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.featured { transform: none; }
  .cta .container { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 680px) {
  section { padding: 60px 0; }
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px; gap: 18px; border-bottom: 1px solid var(--gray-300); transform: translateY(-130%); transition: transform .25s ease; }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
  .header-tel { display: none; }
  .header-actions { gap: 10px; }
  .header-actions > a.btn-primary { display: none; }
  .site-header .container { padding: 0 16px; }
  .logo { font-size: 1.05rem; }
  .logo .logo-mark { width: 30px; height: 30px; font-size: 0.9rem; }
  .concern-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { gap: 20px; }
  .flow-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
