@charset "UTF-8";
:root {
  --navy: #102a43;
  --navy-deep: #0a1c2d;
  --blue: #2463a6;
  --cyan: #69c8d3;
  --ink: #182b3a;
  --muted: #627586;
  --line: #dce5eb;
  --paper: #ffffff;
  --soft: #f3f7fa;
  --max: 1160px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; line-height: 1.85; letter-spacing: .025em; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
.container { width: min(var(--max), calc(100% - 56px)); margin-inline: auto; }
.skip-link { position: absolute; top: -60px; left: 16px; z-index: 100; background: #fff; color: var(--navy); padding: 10px 14px; }
.skip-link:focus { top: 10px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(16,42,67,.08); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; color: white; background: var(--navy); font-weight: 800; font-size: 22px; letter-spacing: -.06em; clip-path: polygon(0 0,100% 0,100% 75%,75% 100%,0 100%); }
.brand-name { display: flex; flex-direction: column; font-size: 15px; line-height: 1.35; font-weight: 750; letter-spacing: .05em; }
.brand-en { color: #8092a0; font-size: 9px; font-weight: 600; letter-spacing: .17em; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: clamp(18px, 3vw, 38px); font-size: 12px; font-weight: 650; }
.site-nav a { transition: color .2s ease; }
.site-nav a:hover, .footer-links a:hover { color: var(--blue); }
.site-nav .nav-privacy { color: var(--muted); }
.menu-toggle { display: none; }
.hero { min-height: 620px; position: relative; overflow: hidden; color: white; background: linear-gradient(118deg, #0a1c2d 0%, #102f4b 60%, #174b70 100%); }
.hero-grid { position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(rgba(255,255,255,.16) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.16) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(90deg, #000, transparent 85%); }
.hero-content { position: relative; z-index: 2; padding-top: 124px; padding-bottom: 120px; }
.eyebrow, .section-kicker, .closing-overline { display: flex; align-items: center; gap: 12px; font-size: 10px; letter-spacing: .2em; font-weight: 700; }
.eyebrow { color: #a9dfe4; margin: 0 0 28px; }
.eyebrow-line { width: 32px; height: 1px; background: var(--cyan); }
.hero h1 { margin: 0; font-size: clamp(40px, 6.2vw, 74px); line-height: 1.36; letter-spacing: .045em; font-weight: 650; }
.hero h1 span { color: #82d5dc; }
.hero-lead { margin: 28px 0 34px; color: #d5e2ea; font-size: clamp(14px, 1.6vw, 17px); line-height: 2; }
.text-link { display: inline-flex; align-items: center; gap: 22px; padding-bottom: 8px; border-bottom: 1px solid currentColor; font-size: 12px; font-weight: 700; letter-spacing: .08em; }
.text-link span { font-size: 18px; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, -3px); }
.light-link { color: #fff; }
.hero-orbit { position: absolute; border: 1px solid rgba(112,208,220,.22); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 600px; height: 600px; right: -80px; top: 20px; }
.orbit-two { width: 430px; height: 430px; right: 5px; top: 105px; border-color: rgba(112,208,220,.3); }
.hero-corner { position: absolute; z-index: 1; right: max(28px, calc((100vw - var(--max))/2)); bottom: 44px; color: rgba(255,255,255,.42); font-size: 40px; font-weight: 800; line-height: 1; letter-spacing: -.05em; text-align: right; }
.hero-corner span { font-size: 8px; letter-spacing: .19em; font-weight: 600; }
.section { padding: 112px 0; }
.intro-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.section-kicker { margin: 0 0 25px; color: var(--blue); }
.section-kicker span { color: #9eacb8; }
h2 { margin: 0; font-size: clamp(30px, 3.7vw, 43px); line-height: 1.45; font-weight: 650; letter-spacing: .035em; }
.intro-copy { padding-top: 34px; max-width: 590px; color: var(--muted); font-size: 14px; }
.intro-copy p { margin: 0 0 20px; }
.intro-copy .lead-copy { color: var(--ink); font-size: 18px; font-weight: 600; line-height: 1.95; margin-bottom: 26px; }
.business { background: var(--soft); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 52px; }
.section-note { margin: 0 0 5px; color: var(--muted); font-size: 13px; }
.business-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.business-card { min-height: 350px; position: relative; display: flex; flex-direction: column; padding: 30px 28px 26px; background: #fff; border: 1px solid #e5edf2; transition: transform .25s ease, box-shadow .25s ease; }
.business-card:hover { transform: translateY(-5px); box-shadow: 0 16px 38px rgba(16,42,67,.07); }
.card-number { color: #a0b1bd; font-size: 11px; font-weight: 700; letter-spacing: .12em; }
.card-icon { height: 76px; margin: 14px 0 20px; display: flex; align-items: center; color: var(--blue); }
.code-icon { gap: 8px; font-size: 35px; font-weight: 400; letter-spacing: -.1em; }
.code-icon i { font-size: 28px; color: #70bfc9; font-style: normal; transform: translateY(4px); }
.web-icon { position: relative; width: 62px; height: 48px; border: 1.5px solid #7b9cb7; border-radius: 5px; align-items: flex-start; padding: 8px; gap: 4px; }
.web-icon span { width: 4px; height: 4px; border-radius: 50%; background: #7b9cb7; }
.web-icon b { position: absolute; right: 4px; bottom: -12px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: white; background: var(--blue); font-size: 17px; font-weight: 400; }
.dots-icon { width: 56px; display: grid; grid-template-columns: repeat(3, 9px); grid-template-rows: repeat(3, 9px); align-content: center; gap: 7px; }
.dots-icon i { border-radius: 2px; background: #80cbd2; }
.dots-icon i:nth-child(2n) { background: #3e77a7; }
.business-card h3 { margin: 0 0 13px; font-size: 19px; font-weight: 700; }
.business-card p { margin: 0 0 24px; color: var(--muted); font-size: 13px; line-height: 1.95; }
.card-rule { width: 34px; height: 2px; margin-top: auto; background: var(--cyan); }
.card-caption { margin-top: 13px; color: #9aaab5; font-size: 8px; font-weight: 700; letter-spacing: .16em; }
.business-footnote { margin: 20px 0 0; color: #788a98; font-size: 10px; }
.principles-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.principles-list { border-top: 1px solid var(--line); }
.principles-list article { display: grid; grid-template-columns: 52px 1fr; gap: 18px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.principle-index { color: var(--blue); font-size: 12px; font-weight: 700; }
.principles-list h3 { margin: 0 0 6px; font-size: 17px; }
.principles-list p { margin: 0; color: var(--muted); font-size: 13px; }
.company { background: #f7f9fb; }
.company-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; }
.company-title > p:last-child { margin-top: 22px; color: #91a1ad; font-size: 11px; letter-spacing: .12em; }
.company-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.company-table tr { border-top: 1px solid #dbe4ea; }
.company-table tr:last-child { border-bottom: 1px solid #dbe4ea; }
.company-table th, .company-table td { padding: 21px 18px; text-align: left; vertical-align: top; }
.company-table th { width: 145px; color: #6b7f8e; font-weight: 600; }
.company-table td { color: var(--ink); }
.company-note { color: #8999a5; font-size: 10px; margin-top: 15px; }
.closing { position: relative; overflow: hidden; color: #fff; background: var(--navy); }
.closing-inner { position: relative; z-index: 2; padding-top: 90px; padding-bottom: 96px; }
.closing-overline { color: #81d1d9; margin: 0 0 20px; }
.closing h2 { font-size: clamp(34px, 4.6vw, 54px); }
.closing-inner > p:not(.closing-overline) { margin: 20px 0 28px; color: #c5d4de; font-size: 13px; }
.closing-decoration { position: absolute; right: 4%; top: -120px; color: rgba(255,255,255,.035); font-size: clamp(300px, 40vw, 570px); font-weight: 800; line-height: 1; letter-spacing: -.1em; }
.site-footer { background: #071725; color: #d3dfe7; }
.footer-inner { min-height: 105px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px 30px; padding-top: 22px; padding-bottom: 22px; }
.footer-brand { font-size: 13px; font-weight: 700; }
.footer-brand span { margin-left: 8px; color: #8297a7; font-size: 9px; letter-spacing: .12em; }
.footer-links { display: flex; gap: 22px; color: #9db0bd; font-size: 10px; }
.copyright { grid-column: 1 / -1; margin: 0; color: #718898; font-size: 9px; letter-spacing: .08em; }
.privacy-page { min-height: 60vh; }
.privacy-content { max-width: 820px; margin: 0 auto; }
.privacy-content h1 { font-size: clamp(32px, 4vw, 46px); line-height: 1.4; margin: 0 0 22px; }
.privacy-content .updated { color: var(--muted); font-size: 12px; margin-bottom: 35px; }
.privacy-content h2 { font-size: 20px; margin: 36px 0 12px; }
.privacy-content p, .privacy-content li { color: var(--muted); font-size: 14px; }
.privacy-content ul { padding-left: 1.5em; }
.back-link { display: inline-flex; margin-top: 26px; color: var(--blue); border-bottom: 1px solid currentColor; font-size: 13px; padding-bottom: 5px; }
@media (max-width: 800px) {
  .container { width: min(100% - 40px, var(--max)); }
  .header-inner { min-height: 72px; }
  .menu-toggle { display: flex; width: 42px; height: 42px; border: 0; background: transparent; flex-direction: column; justify-content: center; gap: 5px; padding: 9px; cursor: pointer; }
  .menu-toggle > span:not(.sr-only) { display: block; height: 1.5px; width: 100%; background: var(--navy); transition: transform .2s ease, opacity .2s ease; }
  .menu-toggle[aria-expanded="true"] > span:first-child { transform: translateY(6.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
  .site-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; padding: 16px 20px 22px; background: white; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid #edf1f4; }
  .site-nav a:last-child { border-bottom: 0; }
  .hero { min-height: 590px; }
  .hero-content { padding-top: 105px; padding-bottom: 100px; }
  .hero-orbit.orbit-one { width: 410px; height: 410px; right: -220px; top: 130px; }
  .hero-orbit.orbit-two { width: 300px; height: 300px; right: -165px; top: 185px; }
  .hero-corner { right: 20px; bottom: 24px; font-size: 28px; }
  .section { padding: 78px 0; }
  .intro-layout, .principles-layout, .company-layout { grid-template-columns: 1fr; gap: 30px; }
  .intro-copy { padding-top: 0; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 16px; margin-bottom: 32px; }
  .business-grid { grid-template-columns: 1fr; gap: 12px; }
  .business-card { min-height: auto; padding: 25px; }
  .card-icon { margin-top: 7px; margin-bottom: 12px; }
  .business-card p { max-width: 520px; }
  .principles-list article { grid-template-columns: 38px 1fr; }
  .company-table th, .company-table td { padding: 17px 10px; }
  .company-table th { width: 105px; }
  .closing-inner { padding-top: 72px; padding-bottom: 74px; }
  .footer-inner { grid-template-columns: 1fr; gap: 14px; padding-top: 25px; padding-bottom: 25px; }
  .footer-links { flex-wrap: wrap; }
  .copyright { grid-column: auto; }
}
@media (max-width: 420px) {
  .container { width: calc(100% - 32px); }
  .brand-name { font-size: 13px; }
  .brand-mark { width: 38px; height: 38px; }
  .hero { min-height: 550px; }
  .hero-content { padding-top: 86px; }
  .hero h1 { font-size: 37px; }
  .hero-lead { font-size: 13px; }
  .desktop-only { display: none; }
  .section { padding: 66px 0; }
  .company-table { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
