:root {
  --bg: #FAF7F2;
  --paper: #F5F0E6;
  --ink: #0A1628;
  --ink-2: #1a2438;
  --gray-1: #6B7280;
  --gray-2: #9CA3AF;
  --line: #D4CDB8;
  --gold: #C9A84C;
  --gold-2: #8B7838;
  --serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --jp: 'Noto Serif JP', serif;
  --jp-sans: 'Noto Sans JP', sans-serif;
  --mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--jp-sans); font-weight: 300;
  line-height: 1.8; font-size: 15px;
  letter-spacing: 0.02em;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 300; letter-spacing: 0.01em; }
.jp-serif { font-family: var(--jp); }
h1 { font-size: clamp(48px, 8vw, 92px); line-height: 1.05; }
h2 { font-size: clamp(32px, 5vw, 52px); line-height: 1.15; }
h3 { font-size: clamp(22px, 3vw, 30px); line-height: 1.3; }
em { font-style: italic; color: var(--gold-2); font-family: var(--serif); }
strong { font-weight: 600; color: var(--ink); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* ============== NAV ============== */
.nav {
  position: sticky; top: 0;
  background: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 20px 40px;
  z-index: 100;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-brand {
  font-family: var(--serif); font-size: 22px; color: var(--ink);
  letter-spacing: 0.05em;
}
.nav-brand small {
  font-family: var(--mono); font-size: 10px; color: var(--gold);
  letter-spacing: 0.3em; margin-left: 12px;
}
.nav-links {
  display: flex; gap: 32px;
  list-style: none;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.2em; text-transform: uppercase;
}
.nav-links a {
  color: var(--ink-2); text-decoration: none;
  transition: color 0.3s;
}
.nav-links a:hover { color: var(--gold); }

/* ============== HERO ============== */
.hero {
  padding: 140px 0 120px;
  background: linear-gradient(to bottom, var(--bg) 0%, var(--paper) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute;
  top: 10%; right: -10%; width: 60%; height: 80%;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.4em;
  text-transform: uppercase; color: var(--gold-2); margin-bottom: 32px;
}
.hero h1 {
  margin-bottom: 32px;
}
.hero h1 em { font-weight: 400; color: var(--gold); }
.hero-tagline {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(20px, 2.5vw, 26px); color: var(--gray-1);
  max-width: 720px; line-height: 1.5;
}
.hero-meta {
  display: flex; gap: 50px; margin-top: 60px;
  padding-top: 40px; border-top: 1px solid var(--line);
}
.hero-meta-item {
  flex: 1;
}
.hero-meta-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.3em;
  color: var(--gold); text-transform: uppercase; margin-bottom: 8px;
}
.hero-meta-value {
  font-family: var(--serif); font-size: 22px; color: var(--ink);
}

/* ============== SECTIONS ============== */
.section {
  padding: 120px 0;
  border-top: 1px solid var(--line);
}
.section-num {
  font-family: var(--mono); font-size: 11px;
  color: var(--gold); letter-spacing: 0.3em;
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  margin-bottom: 24px;
}
.section-intro {
  max-width: 800px; color: var(--ink-2);
  font-size: 16px; line-height: 1.9;
  margin-bottom: 60px;
}

/* ============== PROBLEM-SOLUTION ============== */
.ps-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; margin-top: 50px;
}
.ps-block {
  padding: 40px;
  background: var(--paper);
  border: 1px solid var(--line);
}
.ps-block.problem {
  background: var(--paper);
}
.ps-block.solution {
  background: var(--ink); color: var(--bg);
  border-color: var(--gold);
}
.ps-block.solution .ps-label { color: var(--gold); }
.ps-block.solution h3 { color: var(--bg); }
.ps-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.3em;
  text-transform: uppercase; color: var(--gold-2); margin-bottom: 12px;
}
.ps-block h3 { margin-bottom: 20px; }
.ps-block p {
  font-size: 14px; line-height: 1.8;
  color: inherit; opacity: 0.95;
}
.ps-block ul {
  list-style: none; margin-top: 16px;
}
.ps-block li {
  padding: 8px 0 8px 24px;
  position: relative;
  font-size: 13.5px;
}
.ps-block li::before {
  content: '○';
  position: absolute; left: 0; top: 8px;
  color: var(--gold); font-weight: bold;
}

/* ============== SIX PILLARS ============== */
.pillars {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 30px; margin-top: 50px;
}
.pillar {
  padding: 36px;
  background: var(--paper);
  border-top: 3px solid var(--gold);
}
.pillar-num {
  font-family: var(--mono); font-size: 11px;
  color: var(--gold); letter-spacing: 0.3em;
  margin-bottom: 16px;
}
.pillar h3 {
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--ink);
}
.pillar p {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.8;
}

/* ============== PROCESS TIMELINE ============== */
.process {
  margin-top: 60px;
}
.process-step {
  display: grid; grid-template-columns: 100px 1fr 1fr;
  gap: 40px; padding: 32px 0;
  border-bottom: 1px solid var(--line);
}
.process-step:last-child { border-bottom: none; }
.process-num {
  font-family: var(--serif); font-size: 48px;
  color: var(--gold); line-height: 1;
}
.process-content h4 {
  font-family: var(--serif); font-size: 26px;
  color: var(--ink); margin-bottom: 12px;
}
.process-content .duration {
  font-family: var(--mono); font-size: 11px;
  color: var(--gold-2); letter-spacing: 0.2em;
  text-transform: uppercase; margin-bottom: 12px;
}
.process-content p {
  font-size: 14px; color: var(--ink-2);
  line-height: 1.8;
}
.process-deliv {
  font-size: 13px;
  color: var(--gray-1);
  border-left: 2px solid var(--gold);
  padding-left: 20px;
  font-style: italic;
}

/* ============== STATS ============== */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 40px; margin-top: 60px;
  padding: 60px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat {
  text-align: center;
}
.stat-value {
  font-family: var(--serif);
  font-size: clamp(36px, 5vw, 60px);
  color: var(--ink); line-height: 1;
  margin-bottom: 12px;
}
.stat-value em { color: var(--gold); }
.stat-label {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gray-1);
}

/* ============== FEE ============== */
.fee-box {
  margin-top: 50px;
  padding: 50px;
  background: var(--ink); color: var(--bg);
  position: relative; overflow: hidden;
}
.fee-box::before {
  content: ''; position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201,168,76,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.fee-box h3 { color: var(--bg); margin-bottom: 30px; }
.fee-rate {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 80px);
  color: var(--gold);
  margin-bottom: 16px;
  line-height: 1;
}
.fee-rate-sub {
  font-family: var(--mono);
  font-size: 13px;
  color: rgba(245, 240, 230, 0.7);
  letter-spacing: 0.2em;
  margin-bottom: 30px;
}
.fee-includes {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 30px; margin-top: 40px;
  padding-top: 30px;
  border-top: 1px solid rgba(201,168,76,0.3);
}
.fee-includes h4 {
  font-size: 18px; margin-bottom: 16px;
  color: var(--gold);
}
.fee-includes ul {
  list-style: none;
}
.fee-includes li {
  padding: 6px 0;
  font-size: 13.5px;
  color: rgba(245, 240, 230, 0.85);
}

/* ============== CTA ============== */
.cta {
  padding: 120px 0;
  text-align: center;
  background: var(--paper);
}
.cta h2 {
  margin-bottom: 30px;
}
.cta h2 em { color: var(--gold); }
.cta p {
  max-width: 600px; margin: 0 auto 40px;
  font-size: 16px; color: var(--ink-2);
  line-height: 1.9;
}
.cta-button {
  display: inline-block;
  padding: 18px 48px;
  background: var(--ink); color: var(--bg);
  font-family: var(--mono); font-size: 13px;
  letter-spacing: 0.25em; text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s;
  border: 1px solid var(--ink);
}
.cta-button:hover {
  background: var(--gold);
  border-color: var(--gold);
}
.cta-contact {
  margin-top: 40px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--gray-1);
  letter-spacing: 0.15em;
}

/* ============== FOOTER ============== */
.footer {
  padding: 60px 0 40px;
  background: var(--ink);
  color: rgba(245, 240, 230, 0.7);
  font-size: 13px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 60px; margin-bottom: 40px;
}
.footer h4 {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 16px;
}
.footer p { line-height: 1.8; }
.footer ul { list-style: none; }
.footer li { padding: 4px 0; }
.footer a { color: rgba(245, 240, 230, 0.7); text-decoration: none; }
.footer a:hover { color: var(--gold); }
.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(201,168,76,0.2);
  text-align: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: rgba(245, 240, 230, 0.4);
}

@media (max-width: 968px) {
  .pim-menu-toggle { display: flex; }
  .nav-links { display: none; }
  .nav-links.open { display: flex; }
  .ps-grid { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 1fr; gap: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .fee-includes { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-meta { flex-direction: column; gap: 24px; }
}
@media (max-width: 600px) {
  .container { padding: 0 24px; }
  .hero { padding: 80px 0 60px; }
  .section { padding: 70px 0; }
}