:root {
  --ink: #1e293b;
  --muted: #64748b;
  --brand: #146c94;
  --brand-dark: #0b4563;
  --accent: #f0a44b;
  --paper: #ffffff;
  --soft: #f3f7fa;
  --line: #dbe5ec;
  --radius: 18px;
  --shadow: 0 12px 36px rgba(21, 53, 75, .08);
  --content: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  letter-spacing: .015em;
}
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; }
.container { width: min(var(--content), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: 0; background: #fff; padding: 10px; z-index: 1000; }
.skip-link:focus { left: 10px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex-direction: column; color: var(--ink); line-height: 1.25; font-weight: 800; letter-spacing: .02em; }
.brand-name { font-size: 1.05rem; }
.brand-sub { margin-top: 4px; color: var(--muted); font-size: .68rem; font-weight: 600; letter-spacing: .08em; }
.nav-list { display: flex; align-items: center; gap: 6px; padding: 0; margin: 0; list-style: none; }
.nav-list a { display: block; padding: 10px 12px; color: var(--ink); font-size: .9rem; font-weight: 650; border-radius: 9px; white-space: nowrap; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--brand); background: var(--soft); }
.nav-list .nav-cta { color: #fff; background: var(--brand); padding-inline: 17px; }
.nav-list .nav-cta:hover { color: #fff; background: var(--brand-dark); }
.menu-toggle { display: none; border: 1px solid var(--line); background: white; color: var(--ink); border-radius: 10px; padding: 9px 12px; font: inherit; cursor: pointer; }
.hero { padding: 92px 0 86px; background: linear-gradient(125deg, #f3f8fb 0%, #ffffff 58%, #edf7fa 100%); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.2fr .8fr; align-items: center; gap: 52px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 18px; color: var(--brand); font-size: .82rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 26px; height: 2px; background: var(--accent); }
h1, h2, h3 { line-height: 1.35; letter-spacing: -.025em; }
h1 { margin: 0 0 22px; font-size: clamp(2.25rem, 5vw, 4.1rem); }
h1 span { color: var(--brand); }
.hero-lead { max-width: 640px; margin: 0 0 28px; color: #475569; font-size: 1.1rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 11px 20px; border: 1px solid var(--brand); border-radius: 10px; background: var(--brand); color: #fff; font-weight: 750; transition: transform .18s ease, background .18s ease; }
.button:hover { color: #fff; background: var(--brand-dark); transform: translateY(-2px); }
.button.secondary { color: var(--brand); background: transparent; }
.button.secondary:hover { color: var(--brand-dark); background: #eaf4f8; }
.hero-art { min-height: 330px; position: relative; display: grid; place-items: center; }
.art-card { position: relative; width: min(100%, 380px); aspect-ratio: 1 / .86; padding: 26px; border: 1px solid rgba(20,108,148,.15); border-radius: 28px; background: rgba(255,255,255,.82); box-shadow: var(--shadow); transform: rotate(2deg); }
.art-top { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .78rem; font-weight: 700; }
.art-dots { display: flex; gap: 5px; }
.art-dots i { width: 7px; height: 7px; display: block; border-radius: 50%; background: #b9d7e4; }
.chart-bars { display: flex; align-items: end; gap: 13px; height: 145px; padding: 18px 10px 0; border-bottom: 1px solid var(--line); }
.chart-bars i { flex: 1; display: block; border-radius: 7px 7px 0 0; background: linear-gradient(180deg, #49a2c6, #146c94); }
.chart-bars i:nth-child(1) { height: 34%; opacity: .55; }
.chart-bars i:nth-child(2) { height: 48%; opacity: .65; }
.chart-bars i:nth-child(3) { height: 44%; opacity: .7; }
.chart-bars i:nth-child(4) { height: 69%; opacity: .8; }
.chart-bars i:nth-child(5) { height: 62%; opacity: .85; }
.chart-bars i:nth-child(6) { height: 90%; }
.art-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; font-size: .82rem; }
.art-footer strong { color: var(--brand); font-size: 1.15rem; }
.orbit { position: absolute; width: 92px; height: 92px; right: -5px; top: 10px; border-radius: 26px; background: var(--accent); opacity: .95; transform: rotate(14deg); z-index: -1; }
.orbit.two { width: 55px; height: 55px; right: auto; left: 4px; top: auto; bottom: 8px; border-radius: 50%; background: #b9dce8; }
.section { padding: 82px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 700px; margin: 0 auto 38px; text-align: center; }
.section-head .eyebrow { justify-content: center; }
.section-head h2 { margin: 0 0 14px; font-size: clamp(1.8rem, 3.3vw, 2.65rem); }
.section-head p { margin: 0; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 4px 20px rgba(21,53,75,.035); }
.card-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 14px; color: var(--brand); background: #e7f3f8; font-size: 1.25rem; font-weight: 800; }
.card h3 { margin: 0 0 10px; font-size: 1.2rem; }
.card p { margin: 0; color: var(--muted); font-size: .96rem; }
.text-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 18px; font-weight: 750; }
.text-link::after { content: "→"; transition: transform .18s ease; }
.text-link:hover::after { transform: translateX(4px); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.split h2 { margin: 0 0 18px; font-size: clamp(1.8rem, 3.3vw, 2.6rem); }
.split p { color: var(--muted); }
.check-list { display: grid; gap: 12px; padding: 0; margin: 24px 0 0; list-style: none; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list li::before { content: "✓"; flex: 0 0 24px; display: grid; place-items: center; width: 24px; height: 24px; margin-top: 2px; border-radius: 50%; color: var(--brand); background: #e7f3f8; font-size: .8rem; font-weight: 900; }
.process { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.process-item { position: relative; padding: 25px; border-top: 3px solid var(--brand); background: white; border-radius: 0 0 14px 14px; }
.process-item::before { counter-increment: step; content: "0" counter(step); color: var(--accent); font-weight: 900; font-size: .85rem; letter-spacing: .08em; }
.process-item h3 { margin: 10px 0 8px; font-size: 1.1rem; }
.process-item p { margin: 0; color: var(--muted); font-size: .94rem; }
.page-hero { padding: 66px 0 58px; background: linear-gradient(120deg, #f3f8fb, #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 850px; margin-bottom: 15px; font-size: clamp(2rem, 4.5vw, 3.4rem); }
.page-hero p { max-width: 720px; margin: 0; color: var(--muted); font-size: 1.05rem; }
.breadcrumb { padding-top: 18px; color: var(--muted); font-size: .82rem; }
.breadcrumb a { color: var(--muted); }
.breadcrumb span { padding: 0 8px; }
.content-narrow { max-width: 850px; margin-inline: auto; }
.prose h2 { margin-top: 42px; margin-bottom: 14px; font-size: 1.7rem; }
.prose p { color: #475569; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature { padding: 23px; border: 1px solid var(--line); border-radius: 14px; }
.feature h3 { margin: 0 0 8px; font-size: 1.08rem; }
.feature p { margin: 0; color: var(--muted); font-size: .94rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.company-table { width: 100%; border-collapse: collapse; }
.company-table th, .company-table td { padding: 17px 20px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.company-table th { width: 28%; background: var(--soft); font-weight: 750; }
.company-table tr:last-child th, .company-table tr:last-child td { border-bottom: 0; }
.contact-panel { padding: 34px; border-radius: var(--radius); background: var(--soft); }
.contact-panel h2 { margin-top: 0; }
.contact-note { color: var(--muted); font-size: .92rem; }
.contact-form { display: grid; gap: 18px; }
.form-row { display: grid; gap: 7px; }
.form-row label { font-weight: 750; font-size: .93rem; }
.form-row input, .form-row select, .form-row textarea { width: 100%; padding: 13px 14px; border: 1px solid #cbd8e0; border-radius: 9px; color: var(--ink); background: #fff; font: inherit; }
.form-row textarea { min-height: 150px; resize: vertical; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: 3px solid rgba(20,108,148,.15); border-color: var(--brand); }
.form-message { min-height: 1.5em; color: var(--brand-dark); font-weight: 650; }
.cta-band { padding: 45px; border-radius: 22px; background: var(--brand-dark); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.cta-band h2 { margin: 0 0 8px; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.cta-band p { margin: 0; color: #d8eaf2; }
.cta-band .button { flex-shrink: 0; color: var(--brand-dark); background: white; border-color: white; }
.cta-band .button:hover { background: #eaf4f8; }
.site-footer { padding: 48px 0 22px; background: #102c3b; color: #e8f1f5; }
.footer-main { display: flex; justify-content: space-between; gap: 30px; padding-bottom: 32px; }
.footer-brand .brand { color: white; }
.footer-brand .brand-sub { color: #b9cbd5; }
.footer-brand p { max-width: 370px; color: #b9cbd5; font-size: .9rem; }
.footer-links { display: flex; flex-wrap: wrap; align-content: flex-start; gap: 12px 20px; }
.footer-links a { color: #e8f1f5; font-size: .9rem; }
.footer-bottom { padding-top: 18px; border-top: 1px solid rgba(255,255,255,.16); color: #b9cbd5; font-size: .8rem; display: flex; justify-content: space-between; gap: 15px; }
@media (max-width: 900px) {
  .header-inner { min-height: 72px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 9px; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; padding: 10px 20px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .nav.is-open { display: block; }
  .nav-list { align-items: stretch; flex-direction: column; gap: 3px; max-width: var(--content); margin-inline: auto; }
  .nav-list a { padding: 12px 14px; }
  .nav-list .nav-cta { text-align: center; margin-top: 6px; }
  .hero { padding: 64px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-art { min-height: 280px; }
  .art-card { max-width: 350px; }
  .split { gap: 30px; }
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .container { width: min(var(--content), calc(100% - 32px)); }
  .section { padding: 58px 0; }
  .hero { padding: 48px 0 40px; }
  .hero-lead { font-size: 1rem; }
  .hero-art { min-height: 240px; }
  .art-card { padding: 20px; }
  .chart-bars { height: 110px; }
  .cards, .split, .process, .feature-list { grid-template-columns: 1fr; }
  .section-head { margin-bottom: 27px; text-align: left; }
  .section-head .eyebrow { justify-content: flex-start; }
  .cta-band { padding: 27px; align-items: flex-start; flex-direction: column; }
  .footer-main, .footer-bottom { flex-direction: column; }
  .contact-panel { padding: 22px; }
  .company-table th, .company-table td { padding: 13px 14px; }
  .company-table th { width: 34%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}