:root { --navy:#0b2341; --deep:#06172c; --blue:#175c7d; --aqua:#4fb2b0; --orange:#ef9c57; --cream:#f6f3eb; --ink:#142434; --muted:#5d6c78; --line:#d9e1e3; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; background:#fbfcfa; color:var(--ink); font-family:var(--font-geist-sans), "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif; }
a { color:inherit; text-decoration:none; }
.site-header { height:88px; max-width:1240px; margin:auto; padding:0 38px; display:flex; align-items:center; justify-content:space-between; }
.brand { display:flex; align-items:center; color:var(--navy); }
.brand img { display:block; width:190px; height:auto; }
.brand-mark { position:relative; width:46px; height:38px; display:inline-block; overflow:hidden; }
.brand-mark .sun { position:absolute; width:15px; height:15px; border-radius:50%; background:var(--orange); right:5px; top:2px; }
.wave { position:absolute; width:38px; height:20px; border:5px solid var(--blue); border-left-color:transparent; border-bottom-color:transparent; border-radius:50%; transform:rotate(-13deg); left:0; top:15px; }
.wave-two { width:32px; left:11px; top:22px; border-color:var(--aqua); border-left-color:transparent; border-bottom-color:transparent; }
nav { display:flex; align-items:center; gap:30px; font-size:13px; font-weight:600; color:#415363; }
nav a:hover { color:var(--blue); }
.nav-contact { border:1px solid #b8c7cc; padding:10px 17px; border-radius:100px; }
.hero { min-height:690px; max-width:1240px; margin:auto; padding:74px 38px 90px; display:grid; grid-template-columns:1.1fr .9fr; align-items:center; gap:60px; }
.eyebrow { margin:0 0 22px; color:var(--blue); font:700 11px/1 var(--font-geist-mono), monospace; letter-spacing:.2em; }
h1 { margin:0; max-width:740px; color:var(--navy); font-size:clamp(48px,6vw,78px); font-weight:620; line-height:.98; letter-spacing:-.055em; }
h1 span { display:block; color:var(--blue); }
.hero-lead { max-width:660px; margin:34px 0 0; color:#415261; font-size:18px; line-height:1.75; }
.hero-ja { max-width:660px; margin:14px 0 0; color:#667784; font-size:13px; line-height:1.9; }
.hero-actions { display:flex; gap:12px; margin-top:34px; }
.button { display:inline-flex; justify-content:center; align-items:center; min-height:48px; padding:0 22px; border-radius:4px; font-size:13px; font-weight:700; }
.button-primary { color:white; background:var(--navy); }
.button-primary:hover { background:var(--blue); }
.button-secondary { border:1px solid #bfcacd; color:var(--navy); }
.hero-visual { position:relative; min-height:480px; }
.orbit { position:absolute; left:50%; top:50%; border:1px solid #b8d1d7; border-radius:50%; transform:translate(-50%,-50%) rotate(-18deg); }
.orbit-one { width:410px; height:270px; }
.orbit-two { width:310px; height:410px; transform:translate(-50%,-50%) rotate(43deg); }
.core { position:absolute; width:220px; height:220px; left:50%; top:50%; border-radius:50%; transform:translate(-50%,-50%); display:flex; flex-direction:column; align-items:center; justify-content:center; background:var(--navy); color:white; box-shadow:0 35px 70px #0b23412b; }
.core:before { content:""; position:absolute; inset:14px; border:1px solid #ffffff38; border-radius:50%; }
.core span { font-size:28px; font-weight:700; letter-spacing:.18em; }
.core small { margin-top:8px; color:#a9d8d7; font-size:9px; letter-spacing:.12em; }
.tag { position:absolute; padding:8px 12px; background:white; border:1px solid var(--line); border-radius:2px; color:var(--blue); box-shadow:0 8px 24px #18375210; font:700 9px/1 var(--font-geist-mono), monospace; letter-spacing:.13em; }
.tag-one { top:16%; right:7%; }.tag-two { left:2%; bottom:25%; }.tag-three { right:5%; bottom:14%; }
.section { padding:110px max(38px, calc((100vw - 1164px)/2)); }
.section-heading { display:grid; grid-template-columns:1.6fr .7fr; gap:80px; align-items:end; }
h2 { margin:0; color:var(--navy); font-size:clamp(36px,4vw,56px); font-weight:600; line-height:1.08; letter-spacing:-.04em; }
.section-heading > p, .company-intro > p:last-child { margin:0; color:var(--muted); font-size:15px; line-height:1.8; }
.services { background:var(--cream); }
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1px; margin-top:64px; background:#ced8d9; border:1px solid #ced8d9; }
.service-card { min-height:330px; padding:35px; background:#fff; }
.service-number { color:var(--orange); font:600 12px/1 var(--font-geist-mono), monospace; }
.service-card h3 { margin:58px 0 7px; color:var(--navy); font-size:23px; line-height:1.2; }
.service-card p { color:var(--muted); font-size:14px; line-height:1.75; }
.service-card .card-ja { margin:0 0 22px; color:var(--blue); font-size:12px; }
.about { display:grid; grid-template-columns:1.2fr .8fr; gap:110px; background:var(--navy); color:white; }
.about h2 { color:white; }
.about-statement > p:not(.eyebrow) { margin:28px 0 0; max-width:680px; color:#bdcad5; font-size:16px; line-height:1.9; }
.about .eyebrow { color:#73cfca; }
.about-statement .about-ja { color:#8fa7b9!important; font-size:13px!important; }
.capability-panel { padding:36px; border:1px solid #ffffff2c; align-self:start; }
.panel-label { margin:0 0 24px; color:#73cfca; font:700 10px/1 var(--font-geist-mono), monospace; letter-spacing:.18em; text-transform:uppercase; }
.capability-panel ul { margin:0; padding:0; list-style:none; }
.capability-panel li { position:relative; padding:15px 0 15px 22px; border-top:1px solid #ffffff1d; color:#e0e8ee; font-size:13px; line-height:1.5; }
.capability-panel li:before { content:""; position:absolute; left:1px; top:21px; width:6px; height:6px; border-radius:50%; background:var(--orange); }
.company { display:grid; grid-template-columns:.8fr 1.2fr; gap:100px; }
.company-intro p:last-child { margin-top:28px; }
.company-table { margin:0; border-top:2px solid var(--navy); }
.company-table div { display:grid; grid-template-columns:150px 1fr; gap:20px; padding:20px 4px; border-bottom:1px solid var(--line); }
.company-table dt { color:#71808c; font-size:12px; }
.company-table dd { margin:0; color:var(--navy); font-size:14px; font-weight:600; line-height:1.6; }
.company-table dd small { display:block; color:#74818c; font-weight:400; }
.contact { margin:0 auto 70px; max-width:1164px; padding:70px; display:grid; grid-template-columns:1.2fr .8fr; gap:90px; align-items:end; background:#e4f0ef; }
.contact h2 { font-size:42px; }
.contact > p { margin:0; color:#4e626e; font-size:14px; line-height:1.8; }
footer { max-width:1164px; margin:auto; padding:35px 0 55px; border-top:1px solid var(--line); display:grid; grid-template-columns:1fr auto auto; gap:36px; align-items:center; color:#71808c; font-size:11px; }
.footer-brand img { width:155px; }.footer-ja { color:#8b979f; }
@media (max-width:900px) {
  nav a:not(.nav-contact) { display:none; }
  .hero { grid-template-columns:1fr; padding-top:58px; }
  .hero-visual { min-height:400px; }
  .section-heading,.about,.company,.contact { grid-template-columns:1fr; gap:48px; }
  .service-grid { grid-template-columns:1fr; }
  .service-card { min-height:0; }
  .service-card h3 { margin-top:34px; }
  footer { margin:0 30px; grid-template-columns:1fr; gap:12px; }
}
@media (max-width:560px) {
  .site-header { height:76px; padding:0 20px; }
  .brand img { width:150px; }
  .nav-contact { padding:9px 13px; }
  .hero { padding:45px 22px 70px; min-height:0; }
  h1 { font-size:46px; }
  .hero-lead { font-size:16px; }
  .hero-actions { flex-direction:column; align-items:stretch; }
  .hero-visual { min-height:340px; transform:scale(.86); margin:-25px -30px; }
  .section { padding:78px 22px; }
  .section-heading { gap:26px; }
  .service-grid { margin-top:42px; }
  .service-card { padding:28px; }
  .company-table div { grid-template-columns:1fr; gap:7px; }
  .contact { margin:0 16px 50px; padding:42px 28px; }
  .contact h2 { font-size:34px; }
}