:root {
  --color-bg: #f5f2ec;
  --color-bg-soft: #fbfaf7;
  --color-text: #171512;
  --color-muted: #6e675d;
  --color-line: rgba(23, 21, 18, 0.12);
  --color-primary: #a46b37;
  --color-primary-dark: #6e3f1e;
  --color-primary-soft: #ead8c1;
  --color-dark: #171512;
  --shadow: 0 24px 70px rgba(51, 39, 25, 0.14);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
ul { padding-left: 1.2em; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-bleed { position: relative; overflow: hidden; }
.eyebrow {
  margin: 0 0 12px;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  font-size: 0.78rem;
}
.section-heading h2,
.hero h1,
.contact-card h2 { line-height: 1.18; letter-spacing: -0.04em; }
.section-heading h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.5rem); }
.section-heading p { margin: 0; color: var(--color-muted); max-width: 680px; }
.section-heading.center { text-align: center; margin-bottom: 42px; }
.section-heading.center p { margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 242, 236, 0.82);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s, background .25s;
}
.site-header.is-scrolled { border-color: var(--color-line); background: rgba(245, 242, 236, 0.94); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: 0.04em; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--color-dark); color: #fff; font-family: 'Inter'; font-size: 0.78rem; }
.global-nav { display: flex; align-items: center; gap: 28px; font-size: 0.92rem; font-weight: 700; }
.global-nav a { color: #3d3831; }
.global-nav a:hover { color: var(--color-primary); }
.nav-cta { padding: 10px 18px; border-radius: 999px; background: var(--color-dark); color: #fff !important; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--color-dark); margin: 5px 0; transition: .25s; }

.hero { padding: 98px 0 88px; background: radial-gradient(circle at 74% 14%, #ead8c1 0, transparent 28%), linear-gradient(135deg, #fbfaf7 0%, #f5f2ec 65%); }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; }
.hero h1 { margin: 0; font-size: clamp(2.7rem, 6vw, 5.9rem); font-weight: 900; }
.hero h1 span { color: var(--color-primary-dark); position: relative; }
.hero-lead { margin: 28px 0 0; max-width: 680px; color: var(--color-muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 24px; border-radius: 999px; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--color-dark); color: #fff; box-shadow: 0 14px 30px rgba(23,21,18,.2); }
.button.secondary { border: 1px solid var(--color-line); background: rgba(255,255,255,.48); }
.button.light { background: #fff; color: var(--color-primary-dark); }
.button.dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.28); }
.trust-row { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px; }
.trust-row span { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.65); color: var(--color-muted); font-family: 'Inter'; font-size: .78rem; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; }
.visual-card { border: 1px solid rgba(255,255,255,.8); background: rgba(255,255,255,.68); backdrop-filter: blur(12px); box-shadow: var(--shadow); border-radius: var(--radius-lg); }
.visual-main { position: absolute; inset: 18px 0 40px 32px; padding: 34px; }
.chart-head { display: flex; justify-content: space-between; align-items: center; color: var(--color-muted); font-weight: 700; }
.chart-head strong { color: var(--color-primary); font-size: 1.8rem; font-family: 'Inter'; }
.speed-lines { height: 190px; margin: 36px 0; display: grid; align-items: end; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.speed-lines i { display: block; border-radius: 16px 16px 0 0; background: linear-gradient(180deg, var(--color-primary), var(--color-primary-soft)); }
.speed-lines i:nth-child(1) { height: 42%; }
.speed-lines i:nth-child(2) { height: 68%; }
.speed-lines i:nth-child(3) { height: 96%; }
.gap-label { display: inline-flex; padding: 8px 14px; border-radius: 999px; background: var(--color-dark); color: #fff; font-weight: 800; }
.down-boxes { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.down-boxes div { padding: 14px; border: 1px solid var(--color-line); border-radius: 16px; background: rgba(245,242,236,.7); }
.down-boxes span { display: block; color: var(--color-muted); font-size: .78rem; }
.down-boxes b { display: block; margin-top: 2px; }
.floating-card { position: absolute; right: 14px; bottom: 0; width: min(320px, 80%); padding: 24px; }
.mini-label { display: block; color: var(--color-primary); font-family: 'Inter'; font-weight: 800; font-size: .75rem; margin-bottom: 6px; }

.issue-grid, .strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.issue-card, .strength-grid article { padding: 28px; border-radius: var(--radius-md); background: var(--color-bg-soft); border: 1px solid var(--color-line); box-shadow: 0 18px 40px rgba(51,39,25,.06); }
.issue-card span, .strength-grid span, .flow-line span { color: var(--color-primary); font-family: 'Inter'; font-weight: 900; }
.issue-card h3, .strength-grid h3 { margin: 12px 0 12px; font-size: 1.24rem; line-height: 1.5; }
.issue-card p, .strength-grid p { margin: 0; color: var(--color-muted); }

.risk-section { background: #fffdf9; }
.two-column { display: grid; grid-template-columns: .75fr 1.25fr; gap: 56px; align-items: start; }
.sticky-copy { position: sticky; top: 112px; }
.risk-list { display: grid; gap: 18px; }
.risk-card { display: grid; grid-template-columns: 72px 1fr; gap: 24px; padding: 30px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--color-line); box-shadow: 0 18px 45px rgba(51,39,25,.08); }
.risk-num { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; background: var(--color-bg); color: var(--color-primary); font-family: 'Inter'; font-weight: 900; }
.risk-card h3 { margin: 0 0 10px; font-family: 'Inter'; font-size: 1.5rem; }
.risk-card p { margin: 0 0 12px; color: var(--color-muted); }
.risk-card li { margin: 4px 0; }

.download-band { padding: 54px 0; background: var(--color-primary-dark); color: #fff; }
.download-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.download-inner h2 { margin: 0 0 8px; font-size: clamp(1.6rem, 3vw, 2.4rem); }
.download-inner p { margin: 0; color: rgba(255,255,255,.75); }
.download-band .eyebrow { color: #f1d8bd; }

.service-grid, .output-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 64px; align-items: center; }
.review-map { position: relative; min-height: 520px; border-radius: 50%; background: radial-gradient(circle, #fff 0 22%, transparent 23%), conic-gradient(from 30deg, rgba(164,107,55,.16), rgba(164,107,55,.04), rgba(164,107,55,.18)); border: 1px solid var(--color-line); }
.map-center { position: absolute; inset: 50%; transform: translate(-50%, -50%); width: 126px; height: 126px; display: grid; place-items: center; border-radius: 50%; background: var(--color-dark); color: #fff; font-family: 'Inter'; font-weight: 900; }
.map-item { position: absolute; width: 160px; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.86); border: 1px solid var(--color-line); box-shadow: 0 16px 38px rgba(51,39,25,.08); }
.map-item b { display: block; color: var(--color-primary); font-family: 'Inter'; font-size: 1.5rem; }
.map-item span { display: block; font-family: 'Inter'; font-weight: 800; }
.item-1 { left: 50%; top: 0; transform: translateX(-50%); }
.item-2 { right: 0; top: 22%; }
.item-3 { right: 6%; bottom: 12%; }
.item-4 { left: 6%; bottom: 12%; }
.item-5 { left: 0; top: 22%; }
.item-6 { left: 50%; bottom: 0; transform: translateX(-50%); }

.flow-section { background: #fffdf9; }
.flow-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.flow-line::before { content: ''; position: absolute; left: 8%; right: 8%; top: 28px; height: 2px; background: var(--color-line); }
.flow-line article { position: relative; padding: 28px 22px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--color-line); box-shadow: 0 14px 32px rgba(51,39,25,.06); }
.flow-line h3 { margin: 14px 0 8px; }
.flow-line p { margin: 0; color: var(--color-muted); }

.report-mock { padding: 26px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--color-line); box-shadow: var(--shadow); }
.report-header { display: flex; gap: 8px; margin-bottom: 26px; }
.report-header span { width: 12px; height: 12px; border-radius: 50%; background: var(--color-primary-soft); }
.report-title { font-family: 'Inter'; font-weight: 900; font-size: 1.5rem; margin-bottom: 18px; }
.report-row { display: grid; grid-template-columns: 90px 1fr; gap: 14px; align-items: center; padding: 18px; border-radius: 16px; background: var(--color-bg); margin-top: 10px; }
.report-row b { color: var(--color-primary-dark); font-family: 'Inter'; }

.contact-section { padding: 104px 0; background: linear-gradient(135deg, #1b1713, #3a2417); color: #fff; }
.contact-card { max-width: 900px; text-align: center; }
.contact-card h2 { margin: 0; font-size: clamp(2rem, 5vw, 4rem); }
.contact-badge { display: inline-flex; padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,.12); margin: 20px 0; font-weight: 800; }
.contact-card ul { display: inline-grid; text-align: left; gap: 6px; color: rgba(255,255,255,.84); }
.contact-card p { color: rgba(255,255,255,.78); }
.center-actions { justify-content: center; }

.site-footer { padding: 32px 0; background: var(--color-dark); color: rgba(255,255,255,.72); font-size: .88rem; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.footer-inner div { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-inner a { color: #fff; }

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

@media (max-width: 920px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 74px 0; }
  .nav-toggle { display: block; z-index: 70; }
  .global-nav { position: fixed; inset: 76px 14px auto; flex-direction: column; align-items: stretch; gap: 0; padding: 18px; border-radius: 22px; background: rgba(255,255,255,.96); box-shadow: var(--shadow); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .25s; }
  .global-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .global-nav a { padding: 14px 12px; border-bottom: 1px solid var(--color-line); }
  .global-nav a:last-child { border-bottom: 0; text-align: center; margin-top: 8px; }
  .hero { padding-top: 64px; }
  .hero-grid, .two-column, .service-grid, .output-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-visual { min-height: 500px; }
  .visual-main { inset: 0; }
  .sticky-copy { position: static; }
  .issue-grid, .strength-grid, .flow-line { grid-template-columns: 1fr; }
  .flow-line::before { display: none; }
  .download-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  .hero h1 { font-size: 2.55rem; }
  .hero-actions, .button { width: 100%; }
  .button { padding-inline: 18px; }
  .hero-visual { min-height: 560px; }
  .visual-main { padding: 24px; }
  .down-boxes { grid-template-columns: 1fr; }
  .floating-card { left: 18px; right: 18px; width: auto; }
  .risk-card { grid-template-columns: 1fr; gap: 14px; padding: 24px; }
  .review-map { min-height: auto; border-radius: var(--radius-lg); padding: 22px; display: grid; gap: 12px; background: #fffdf9; }
  .map-center, .map-item { position: static; transform: none; width: auto; }
  .map-center { width: 100%; height: auto; min-height: 72px; border-radius: 20px; }
  .report-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}