:root {
  --primary: #C0603A;
  --primary-dark: #9A4A2C;
  --accent: #4CAF82;
  --bg: #FFFBF8;
  --text: #222222;
  --text-light: #666666;
  --border: #E8DDD6;
  --white: #FFFFFF;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text); background: var(--bg);
  line-height: 1.8; font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--white); box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: 'Barlow', sans-serif; font-weight: 700; font-size: 1.1rem; color: var(--primary); }
.logo span { color: var(--accent); }
.nav ul { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav a { color: var(--text-light); font-size: 0.875rem; transition: color 0.2s; }
.nav a:hover { color: var(--primary); }
.nav-cta {
  background: var(--primary); color: var(--white) !important;
  padding: 8px 20px; border-radius: 4px; font-weight: 700;
}
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--primary); transition: all 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative; min-height: 580px;
  display: flex; align-items: center;
  padding: 100px 0 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(192,96,58,0.85) 0%, rgba(192,96,58,0.55) 60%, rgba(0,0,0,0.15) 100%);
}
.hero-inner { position: relative; z-index: 1; color: var(--white); }
.hero-label {
  display: inline-block; background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.5);
  color: var(--white); font-size: 0.75rem; font-weight: 700;
  padding: 4px 14px; border-radius: 20px;
  margin-bottom: 20px; letter-spacing: 0.08em;
}
.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 700; line-height: 1.4; margin-bottom: 20px;
}
.hero-sub { font-size: 0.95rem; color: rgba(255,255,255,0.9); margin-bottom: 36px; line-height: 2; }
.cta-btn {
  display: inline-block; background: var(--accent); color: var(--white);
  font-weight: 700; font-size: 1rem; padding: 16px 40px; border-radius: 4px;
  transition: opacity 0.2s, transform 0.2s;
}
.cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }

/* Section */
.section { padding: 96px 0; }
.section-bg { background: var(--white); }
.section-head { text-align: center; margin-bottom: 56px; }
.section-label {
  font-family: 'Barlow', sans-serif; font-size: 0.8rem; font-weight: 700;
  color: var(--primary); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 8px;
}
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--text); }
.section-desc { color: var(--text-light); margin-top: 16px; font-size: 0.9rem; }

/* Header tel */
.header-tel {
  font-family: 'Barlow', sans-serif; font-weight: 700;
  font-size: 0.9rem; color: var(--primary);
  white-space: nowrap;
}
.header-tel:hover { text-decoration: underline; }

/* Cost Compare */
.compare-section { background: var(--white); }
.compare-grid {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px;
  align-items: center; max-width: 900px; margin: 0 auto;
}
.compare-card {
  border-radius: var(--radius); padding: 32px 28px;
}
.compare-buy { background: #F5F5F5; border: 1px solid #DDD; }
.compare-rent { background: #F0FBF5; border: 2px solid var(--accent); }
.compare-label {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em;
  color: var(--text-light); margin-bottom: 20px; text-transform: uppercase;
}
.compare-rent .compare-label { color: var(--accent); }
.compare-items { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.compare-item {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.875rem; color: var(--text-light);
}
.compare-hidden-cost span:last-child { color: #C0392B; font-weight: 700; }
.compare-merit span:last-child { color: var(--accent); font-weight: 700; }
.compare-divider { height: 1px; background: var(--border); margin: 4px 0; }
.compare-total {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-top: 16px; border-top: 2px solid var(--border);
}
.compare-total span { font-size: 0.875rem; color: var(--text-light); }
.compare-total strong { font-family: 'Barlow', sans-serif; font-size: 1.75rem; font-weight: 700; }
.compare-total-bad strong { color: #C0392B; }
.compare-total-good strong { color: var(--accent); }
.compare-note { font-size: 0.75rem; color: var(--text-light); margin-top: 12px; }
.compare-vs {
  font-family: 'Barlow', sans-serif; font-size: 1.5rem; font-weight: 700;
  color: var(--border); text-align: center;
}
.compare-caption { text-align: center; font-size: 0.75rem; color: var(--text-light); margin-top: 32px; }

/* Reasons */
.reasons-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.reason-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 40px 28px; text-align: center;
}
.reason-icon {
  font-family: 'Barlow', sans-serif; font-size: 2.5rem; font-weight: 700;
  color: var(--primary); margin-bottom: 16px; opacity: 0.6;
}
.reason-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 12px; }
.reason-card p { font-size: 0.875rem; color: var(--text-light); }

/* Products */
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.product-card img { width: 100%; height: 180px; object-fit: cover; }
.product-info { padding: 20px 20px 24px; }
.product-info h3 { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.product-spec { font-size: 0.8rem; color: var(--text-light); margin-bottom: 12px; }
.product-price { font-size: 0.875rem; color: var(--text-light); }
.product-price strong { font-size: 1.25rem; color: var(--primary); font-family: 'Barlow', sans-serif; font-weight: 700; }
.product-card-set {
  background: #FFF5F2; border-color: var(--primary);
  display: flex; flex-direction: column; position: relative;
}
.set-badge {
  position: absolute; top: 16px; right: 16px;
  background: var(--primary); color: var(--white);
  font-size: 0.7rem; font-weight: 700; padding: 3px 10px; border-radius: 20px;
}
.product-card-set .product-info { padding: 32px 20px 24px; }
.set-desc { font-size: 0.825rem; color: var(--text-light); margin-bottom: 12px; }
.products-note { text-align: center; font-size: 0.8rem; color: var(--text-light); margin-top: 32px; }

/* Flow */
.flow-steps { display: flex; align-items: flex-start; gap: 8px; }
.flow-step {
  flex: 1; background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 20px; text-align: center;
}
.step-num {
  font-family: 'Barlow', sans-serif; font-size: 2rem; font-weight: 700;
  color: var(--primary); margin-bottom: 10px;
}
.flow-step h3 { font-size: 0.9rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.flow-step p { font-size: 0.8rem; color: var(--text-light); }
.flow-arrow { font-size: 1.5rem; color: var(--border); flex-shrink: 0; padding-top: 40px; }

/* FAQ */
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { padding: 28px 0; border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item h3 {
  font-size: 0.975rem; font-weight: 700; color: var(--text);
  margin-bottom: 10px; padding-left: 24px; position: relative;
}
.faq-item h3::before {
  content: 'Q'; position: absolute; left: 0;
  color: var(--primary); font-family: 'Barlow', sans-serif; font-weight: 700;
}
.faq-item p { font-size: 0.875rem; color: var(--text-light); padding-left: 24px; }

/* Voice */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px;
  display: flex; flex-direction: column; gap: 20px;
}
.voice-text {
  font-size: 0.9rem; color: var(--text-light); line-height: 1.9;
  flex: 1;
  quotes: "\300C" "\300D";
}
.voice-text::before { content: open-quote; color: var(--primary); font-size: 1.5rem; line-height: 0; vertical-align: -0.4em; margin-right: 2px; }
.voice-author { display: flex; align-items: center; gap: 12px; }
.voice-avatar {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1rem;
}
.voice-author strong { display: block; font-size: 0.875rem; color: var(--text); }
.voice-author span { font-size: 0.78rem; color: var(--text-light); }

/* CTA / Form */
.cta-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}
.cta-label { color: rgba(255,255,255,0.7); }
.cta-h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; color: var(--white); }
.cta-desc { color: rgba(255,255,255,0.85); margin-top: 12px; font-size: 0.95rem; }
.contact-form {
  max-width: 720px; margin: 0 auto;
  background: var(--white); border-radius: var(--radius);
  padding: 48px 40px; box-shadow: 0 8px 40px rgba(0,0,0,0.15);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 24px; }
.form-group label { font-size: 0.875rem; font-weight: 700; color: var(--text); }
.required {
  display: inline-block; background: var(--primary); color: var(--white);
  font-size: 0.65rem; padding: 1px 6px; border-radius: 2px; margin-left: 6px; vertical-align: middle;
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group textarea {
  border: 1px solid var(--border); border-radius: 4px;
  padding: 10px 14px; font-size: 0.9rem; font-family: inherit;
  color: var(--text); transition: border-color 0.2s;
  background: var(--bg);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--primary);
  background: var(--white);
}
.form-group textarea { resize: vertical; }
.checkbox-group { display: flex; flex-wrap: wrap; gap: 12px 20px; }
.checkbox-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.875rem; color: var(--text); cursor: pointer;
}
.checkbox-label input[type="checkbox"] { accent-color: var(--primary); width: 16px; height: 16px; }
.checkbox-set { font-weight: 700; color: var(--primary); }
.form-submit { text-align: center; margin-top: 8px; }
.submit-btn { border: none; cursor: pointer; font-family: inherit; font-size: 1rem; }
.form-note { text-align: center; font-size: 0.75rem; color: var(--text-light); margin-top: 16px; }
.form-success {
  max-width: 720px; margin: 0 auto; text-align: center;
  background: var(--white); border-radius: var(--radius);
  padding: 64px 40px; box-shadow: 0 8px 40px rgba(0,0,0,0.15);
}
.success-icon { font-size: 3rem; color: var(--accent); margin-bottom: 16px; }
.form-success h3 { font-size: 1.4rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.form-success p { color: var(--text-light); }

/* Footer */
.footer { background: #2A2018; padding: 40px 0; color: rgba(255,255,255,0.6); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-name { font-family: 'Barlow', sans-serif; font-size: 0.875rem; }
.footer-sns { display: flex; gap: 16px; }
.footer-sns img { width: 20px; height: 20px; filter: invert(1); opacity: 0.6; }
.footer-sns a:hover img { opacity: 1; }
.footer-copy { font-size: 0.8rem; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Mobile */
@media (max-width: 768px) {
  .header-tel { display: none; }
  .compare-grid { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }
  .compare-vs { transform: rotate(90deg); font-size: 1.2rem; }
  .contact-form { padding: 32px 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .nav { display: none; position: fixed; top: 64px; left: 0; right: 0; background: var(--white); padding: 24px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 16px; }
  .hamburger { display: flex; }
  .hero { min-height: 480px; }
  .hero h1 { font-size: 1.5rem; }
  .reasons-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .flow-steps { flex-direction: column; align-items: stretch; }
  .flow-arrow { transform: rotate(90deg); text-align: center; padding-top: 0; }
  .footer-inner { flex-direction: column; text-align: center; }
}