:root {
  --bg: #F8F6F6;
  --accent: #BF4643;
  --accent-light: #d96a67;
  --text: #1a1a1a;
  --text-muted: #4a4a4a;
  --text-light: #666;
  --border: #e4e0e0;
  --white: #ffffff;
  --dark: #111111;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'BIZ UDPGothic', sans-serif; background: var(--bg); color: var(--text); font-weight: 400; font-size: 1rem; line-height: 1.9; overflow-x: hidden; }

/* NAV */
nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; padding: 1.4rem 5rem; background: rgba(248,246,246,0.94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color 0.3s, padding 0.3s; }
nav.scrolled { border-bottom-color: var(--border); padding-top: 1rem; padding-bottom: 1rem; }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo img { height: 28px; width: auto; transition: transform 0.35s ease; }
.nav-logo:hover img { transform: rotate(-8deg) scale(1.08); }
.nav-logo-text { font-family: 'Cormorant Garamond', serif; font-size: 1.05rem; font-weight: 300; letter-spacing: 0.12em; color: var(--text); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a { font-size: 0.78rem; letter-spacing: 0.1em; text-decoration: none; color: var(--text-muted); position: relative; transition: color 0.2s; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px; background: var(--accent); transition: width 0.25s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { font-size: 0.75rem; letter-spacing: 0.1em; text-decoration: none; color: var(--accent); border: 1px solid var(--accent); padding: 0.5rem 1.4rem; transition: color 0.25s, background 0.25s; white-space: nowrap; position: relative; }
.nav-cta:hover { color: var(--white); background: var(--accent); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 6px; z-index: 101; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: var(--text); transition: all 0.35s cubic-bezier(0.4,0,0.2,1); transform-origin: center; }
.hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.mobile-menu { display: none; position: fixed; inset: 0; background: var(--white); z-index: 99; flex-direction: column; align-items: center; justify-content: center; gap: 0; opacity: 0; transition: opacity 0.3s ease; }
.mobile-menu.open { display: flex; opacity: 1; }
.mobile-menu a { font-size: 1rem; letter-spacing: 0.15em; text-decoration: none; color: var(--text); padding: 1.1rem 2rem; width: 80%; text-align: center; border-bottom: 1px solid var(--border); transition: color 0.2s, background 0.2s; }
.mobile-menu a:first-child { border-top: 1px solid var(--border); }
.mobile-menu a:hover { color: var(--accent); background: var(--bg); }
.mobile-menu a.cta-mobile { color: var(--white); background: var(--accent); border-color: var(--accent); margin-top: 1.5rem; width: auto; padding: 0.9rem 2.5rem; }
.mobile-menu a.cta-mobile:hover { background: var(--accent-light); }

/* FLOATING CTA */
.floating-cta { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 90; background: var(--accent); color: var(--white); text-decoration: none; font-size: 0.78rem; letter-spacing: 0.1em; padding: 0.9rem 1.8rem; box-shadow: 0 4px 20px rgba(191,70,67,0.35); transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1); opacity: 0; transform: translateY(20px) scale(0.9); pointer-events: none; }
.floating-cta.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
.floating-cta:hover { background: var(--accent-light); box-shadow: 0 8px 32px rgba(191,70,67,0.45); transform: translateY(-3px) scale(1.03); }

/* LAYOUT */
.container { max-width: 1080px; margin: 0 auto; padding: 0 4rem; }
section { padding: 7rem 0; }
.section-label { font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; display: flex; align-items: center; gap: 1rem; }
.section-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.section-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 3vw, 2.8rem); font-weight: 300; letter-spacing: 0.03em; line-height: 1.3; margin-bottom: 1.5rem; }
.section-desc { font-size: 0.9375rem; color: var(--text-muted); max-width: 520px; line-height: 1.9; }

/* BUTTONS */
.btn-primary { display: inline-block; text-decoration: none; background: var(--accent); color: var(--white); font-size: 0.8rem; letter-spacing: 0.12em; padding: 0.9rem 2.4rem; position: relative; overflow: hidden; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.btn-primary::after { content: ''; position: absolute; inset: 0; background: rgba(255,255,255,0.15); transform: translateX(-100%) skewX(-12deg); transition: transform 0.4s ease; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(191,70,67,0.3); }
.btn-primary:hover::after { transform: translateX(120%) skewX(-12deg); }
.btn-outline { display: inline-block; text-decoration: none; color: var(--accent); border: 1px solid var(--accent); font-size: 0.8rem; letter-spacing: 0.12em; padding: 0.9rem 2.4rem; transition: color 0.25s; position: relative; overflow: hidden; }
.btn-outline::before { content: ''; position: absolute; inset: 0; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.btn-outline span { position: relative; z-index: 1; }
.btn-outline:hover { color: var(--white); }
.btn-outline:hover::before { transform: scaleX(1); }
.btn-text { text-decoration: none; font-size: 0.8rem; letter-spacing: 0.08em; color: var(--text-muted); border-bottom: 1px solid var(--border); padding-bottom: 2px; transition: color 0.2s, border-color 0.2s, letter-spacing 0.25s; }
.btn-text:hover { color: var(--accent); border-color: var(--accent); letter-spacing: 0.13em; }

/* PHOTO PLACEHOLDER */
.photo-placeholder { background: #eae6e6; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; }
.photo-placeholder svg { opacity: 0.25; }
.photo-placeholder p { font-size: 0.7rem; letter-spacing: 0.1em; color: var(--text-light); }

/* FLOW */
.flow-steps { display: grid; grid-template-columns: repeat(5,1fr); gap: 0; margin-top: 3rem; position: relative; }
.flow-steps::before { content: ''; position: absolute; top: 28px; left: 10%; right: 10%; height: 1px; background: var(--border); }
.flow-step { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 0 0.5rem; }
.flow-step-num { width: 56px; height: 56px; border-radius: 50%; border: 1px solid var(--border); background: var(--white); display: flex; align-items: center; justify-content: center; font-family: 'Cormorant Garamond', serif; font-size: 1.2rem; font-weight: 300; color: var(--accent); margin-bottom: 1rem; position: relative; z-index: 1; transition: background 0.3s, border-color 0.3s, transform 0.3s, color 0.3s; }
.flow-step:hover .flow-step-num { background: var(--accent); border-color: var(--accent); color: var(--white); transform: scale(1.1); }
.flow-step-title { font-size: 0.875rem; font-weight: 500; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.flow-step-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.8; }

/* PRICING CARDS */
.pricing-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); margin-top: 3rem; }
.pricing-card { background: var(--white); padding: 2.5rem; transition: transform 0.25s ease, box-shadow 0.25s ease; position: relative; }
.pricing-card:hover { transform: translateY(-5px); box-shadow: 0 14px 44px rgba(0,0,0,0.09); z-index: 1; }
.pricing-card.featured { background: var(--text); color: var(--white); }
.pricing-card-label { font-size: 0.68rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 1rem; }
.pricing-card.featured .pricing-card-label { color: var(--accent-light); }
.pricing-card-name { font-family: 'Cormorant Garamond', serif; font-size: 1.4rem; font-weight: 300; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.pricing-card-price { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; font-weight: 300; letter-spacing: 0.02em; margin: 1rem 0 0.25rem; }
.pricing-card-price .unit { font-family: 'Noto Sans JP', sans-serif; font-size: 0.875rem; color: var(--text-muted); }
.pricing-card.featured .pricing-card-price .unit { color: rgba(255,255,255,0.6); }
.pricing-card-note { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.pricing-card.featured .pricing-card-note { color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.15); }
.pricing-card-features { list-style: none; margin-bottom: 2rem; }
.pricing-card-features li { font-size: 0.9rem; color: var(--text-muted); padding: 0.4rem 0; display: flex; align-items: flex-start; gap: 0.6rem; }
.pricing-card.featured .pricing-card-features li { color: rgba(255,255,255,0.75); }
.pricing-card-features li::before { content: '—'; color: var(--accent); flex-shrink: 0; margin-top: 0.1rem; }
.pricing-card.featured .pricing-card-features li::before { color: var(--accent-light); }

/* FAQ */
.faq-list { margin-top: 3rem; }
.faq-item { border-bottom: 1px solid var(--border); padding: 1.8rem 0; }
.faq-q { font-size: 0.9375rem; font-weight: 500; letter-spacing: 0.03em; cursor: pointer; display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; transition: color 0.2s; }
.faq-q:hover { color: var(--accent); }
.faq-q::after { content: '+'; font-family: 'Cormorant Garamond', serif; font-size: 1.5rem; font-weight: 300; color: var(--accent); flex-shrink: 0; line-height: 1.2; transition: transform 0.35s cubic-bezier(0.4,0,0.2,1); }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { font-size: 0.9375rem; color: var(--text-muted); line-height: 1.9; max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.4,0,0.2,1), padding 0.3s ease; }
.faq-item.open .faq-a { max-height: 600px; padding-top: 1rem; }

/* DARK SECTION */
.section-dark { background: var(--dark); padding: 7rem 0; }
.section-dark .section-label { color: var(--accent); }
.section-dark .section-label::after { background: rgba(255,255,255,0.1); }
.contact-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(2rem, 3.5vw, 3rem); font-weight: 300; color: var(--white); letter-spacing: 0.05em; margin-bottom: 1rem; line-height: 1.3; }
.contact-title em { font-style: italic; color: var(--accent); }
.contact-sub { font-size: 0.9375rem; color: rgba(255,255,255,0.65); letter-spacing: 0.03em; margin-bottom: 3rem; }

/* FOOTER */
footer { background: #0d0d0d; padding: 2.5rem 5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.footer-logo { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.footer-logo img { height: 22px; }
.footer-logo-text { font-family: 'Cormorant Garamond', serif; font-size: 0.9rem; font-weight: 300; letter-spacing: 0.12em; color: rgba(255,255,255,0.65); }
.footer-links { display: flex; gap: 1.5rem; list-style: none; flex-wrap: wrap; justify-content: center; }
.footer-links a { font-size: 0.72rem; letter-spacing: 0.08em; color: rgba(255,255,255,0.3); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: rgba(255,255,255,0.7); }
.footer-copy { font-size: 0.7rem; letter-spacing: 0.08em; color: rgba(255,255,255,0.2); flex-shrink: 0; }

/* ANIMATIONS */
@keyframes heroFadeUp { from { opacity:0; transform:translateY(32px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeUp { from { opacity:0; transform:translateY(24px); } to { opacity:1; transform:translateY(0); } }

.fade-in { opacity: 0; transform: translateY(28px); transition: opacity 0.75s cubic-bezier(0.22,1,0.36,1), transform 0.75s cubic-bezier(0.22,1,0.36,1); }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.12s; }
.fade-in-delay-2 { transition-delay: 0.24s; }
.fade-in-delay-3 { transition-delay: 0.36s; }

/* Slide in from sides */
.slide-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1), transform 0.8s cubic-bezier(0.22,1,0.36,1); }
.slide-in-left.visible { opacity: 1; transform: translateX(0); }
.slide-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s cubic-bezier(0.22,1,0.36,1), transform 0.8s cubic-bezier(0.22,1,0.36,1); }
.slide-in-right.visible { opacity: 1; transform: translateX(0); }

/* Stagger: each direct child fades up in sequence */
.stagger-children > * { opacity: 0; transform: translateY(20px); transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1); }
.stagger-children.visible > *:nth-child(1) { opacity:1; transform:none; transition-delay:0s; }
.stagger-children.visible > *:nth-child(2) { opacity:1; transform:none; transition-delay:0.12s; }
.stagger-children.visible > *:nth-child(3) { opacity:1; transform:none; transition-delay:0.24s; }
.stagger-children.visible > *:nth-child(4) { opacity:1; transform:none; transition-delay:0.36s; }
.stagger-children.visible > *:nth-child(5) { opacity:1; transform:none; transition-delay:0.48s; }

/* PAGE HERO */
.page-hero { padding: 10rem 0 5rem; background: var(--white); border-bottom: 1px solid var(--border); }
.page-hero-eyebrow { font-size: 0.68rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); margin-bottom: 1.5rem; animation: heroFadeUp 0.7s ease both; }
.page-hero-title { font-family: 'Cormorant Garamond', serif; font-size: clamp(2.5rem, 4vw, 4rem); font-weight: 300; letter-spacing: 0.03em; line-height: 1.2; margin-bottom: 1.5rem; animation: heroFadeUp 0.7s 0.1s ease both; }
.page-hero-title em { font-style: italic; color: var(--accent); }
.page-hero-lead { font-size: 0.9375rem; color: var(--text-muted); max-width: 600px; line-height: 1.9; animation: heroFadeUp 0.7s 0.2s ease both; }

/* LEGAL */
.legal-content { max-width: 720px; margin: 0 auto; padding: 6rem 4rem; }
.legal-content h1 { font-family: 'Cormorant Garamond', serif; font-size: 2.2rem; font-weight: 300; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.legal-content .legal-date { font-size: 0.75rem; color: var(--text-light); letter-spacing: 0.08em; margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); }
.legal-content h2 { font-size: 1rem; font-weight: 500; letter-spacing: 0.05em; margin: 2.5rem 0 0.75rem; }
.legal-content p, .legal-content li { font-size: 0.9375rem; color: var(--text-muted); line-height: 2; margin-bottom: 0.75rem; }
.legal-content ul, .legal-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.legal-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.9rem; }
.legal-content th, .legal-content td { text-align: left; padding: 0.9rem 1rem; border: 1px solid var(--border); vertical-align: top; color: var(--text-muted); line-height: 1.9; }
.legal-content th { background: var(--bg); font-weight: 500; color: var(--text); width: 30%; }

/* RESPONSIVE tablet */
@media (max-width: 960px) {
  nav { padding: 1.2rem 1.5rem; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .page-hero { padding-top: 7rem; }
  .container { padding: 0 1.5rem; }
  section { padding: 4.5rem 0; }
  .flow-steps { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .flow-steps::before { display: none; }
  .flow-step { align-items: flex-start; text-align: left; }
  .pricing-cards { grid-template-columns: 1fr; }
  .pricing-card:hover { transform: none; box-shadow: none; }
  footer { flex-direction: column; align-items: center; gap: 1.2rem; padding: 2rem 1.5rem; text-align: center; }
  .legal-content { padding: 4rem 1.5rem; }
}

/* RESPONSIVE mobile */
@media (max-width: 600px) {
  nav { padding: 1rem 1.2rem; }
  .container { padding: 0 1.2rem; }
  section { padding: 3.5rem 0; }
  .page-hero { padding-top: 6.5rem; }
  .section-title { font-size: 1.75rem; }
  .flow-steps { grid-template-columns: 1fr; }

  /* Buttons full-width on mobile */
  .btn-primary { display: block; text-align: center; padding: 1rem 1.5rem; font-size: 0.85rem; }
  .btn-outline { display: block; text-align: center; padding: 1rem 1.5rem; }

  /* Floating CTA: full-width bar at bottom */
  .floating-cta {
    bottom: 0; right: 0; left: 0;
    text-align: center;
    font-size: 0.85rem;
    padding: 1rem;
    border-radius: 0;
    box-shadow: 0 -2px 20px rgba(191,70,67,0.2);
  }
  /* Add bottom padding to body so content isn't hidden behind floating CTA */
  body { padding-bottom: 56px; }

  .section-dark { padding: 4rem 0; }
  footer { padding: 2rem 1rem; }
  .footer-links { gap: 0.8rem; }
  .legal-content table { display: block; overflow-x: auto; }
  .legal-content th { width: 120px; min-width: 120px; }

  /* Slide-in: use fade-up on mobile (no horizontal scroll risk) */
  .slide-in-left, .slide-in-right { transform: translateY(24px); }
  .slide-in-left.visible, .slide-in-right.visible { transform: translateY(0); }
}

/* ─── ENHANCED ANIMATIONS ─── */

/* Reveal line: animating border that grows on scroll */
.reveal-line {
  position: relative;
  padding-bottom: 1.5rem;
}
.reveal-line::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width 0.8s cubic-bezier(0.22,1,0.36,1) 0.2s;
}
.reveal-line.visible::after { width: 48px; }

/* Tag wave: about-tag entries stagger in */
.about-tags .about-tag {
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: opacity 0.4s ease, transform 0.4s ease, border-color 0.2s, color 0.2s;
}
.about-tags.visible .about-tag:nth-child(1) { opacity:1; transform:none; transition-delay:0.05s; }
.about-tags.visible .about-tag:nth-child(2) { opacity:1; transform:none; transition-delay:0.12s; }
.about-tags.visible .about-tag:nth-child(3) { opacity:1; transform:none; transition-delay:0.19s; }
.about-tags.visible .about-tag:nth-child(4) { opacity:1; transform:none; transition-delay:0.26s; }
.about-tags.visible .about-tag:nth-child(5) { opacity:1; transform:none; transition-delay:0.33s; }

/* Pricing row: number count-up feel via opacity wave */
.pricing-table .pricing-row {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.55s ease, transform 0.55s ease, background 0.2s, padding-left 0.25s;
}
.pricing-table.visible .pricing-row:nth-child(1) { opacity:1; transform:none; transition-delay:0.05s; }
.pricing-table.visible .pricing-row:nth-child(2) { opacity:1; transform:none; transition-delay:0.17s; }
.pricing-table.visible .pricing-row:nth-child(3) { opacity:1; transform:none; transition-delay:0.29s; }

/* FAQ items animate in */
.faq-list .faq-item {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.faq-list.visible .faq-item:nth-child(1) { opacity:1; transform:none; transition-delay:0.0s; }
.faq-list.visible .faq-item:nth-child(2) { opacity:1; transform:none; transition-delay:0.08s; }
.faq-list.visible .faq-item:nth-child(3) { opacity:1; transform:none; transition-delay:0.16s; }
.faq-list.visible .faq-item:nth-child(4) { opacity:1; transform:none; transition-delay:0.24s; }
.faq-list.visible .faq-item:nth-child(5) { opacity:1; transform:none; transition-delay:0.32s; }
.faq-list.visible .faq-item:nth-child(6) { opacity:1; transform:none; transition-delay:0.40s; }

/* Flow steps: sequential pop-in */
.flow-steps .flow-step {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.flow-steps.visible .flow-step:nth-child(1) { opacity:1; transform:none; transition-delay:0.0s; }
.flow-steps.visible .flow-step:nth-child(2) { opacity:1; transform:none; transition-delay:0.1s; }
.flow-steps.visible .flow-step:nth-child(3) { opacity:1; transform:none; transition-delay:0.2s; }
.flow-steps.visible .flow-step:nth-child(4) { opacity:1; transform:none; transition-delay:0.3s; }
.flow-steps.visible .flow-step:nth-child(5) { opacity:1; transform:none; transition-delay:0.4s; }

/* Section title subtle clip reveal */
.section-title-anim {
  overflow: hidden;
}
.section-title-anim .section-title {
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.6s cubic-bezier(0.22,1,0.36,1), transform 0.6s cubic-bezier(0.22,1,0.36,1);
}
.section-title-anim.visible .section-title { opacity:1; transform:translateY(0); }

/* Card hover: subtle lift with accent border reveal */
.change-card {
  border-top: 2px solid var(--border);
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.change-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.07);
}