:root {
  --navy:#15345b;
  --navy-2:#0d2848;
  --orange:#e66a2c;
  --orange-soft:#fff1e9;
  --ink:#17212d;
  --muted:#617083;
  --line:#dfe5eb;
  --soft:#f4f7fa;
  --white:#fff;
  --max:1180px;
  --shadow:0 22px 55px rgba(19,52,91,.12);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,Arial,sans-serif;
  line-height:1.75;
  letter-spacing:.015em;
  -webkit-font-smoothing:antialiased;
}
img { display:block; max-width:100%; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
.container { width:min(var(--max),calc(100% - 48px)); margin-inline:auto; }
.section { padding:104px 0; }
.soft { background:var(--soft); }
.dark { background:var(--navy-2); color:#fff; }
.dark p { color:#c4d0dc; }
h1,h2,h3,p { margin-top:0; }
h1 { font-size:clamp(46px,6vw,78px); line-height:1.16; letter-spacing:-.045em; margin-bottom:26px; }
h2 { font-size:clamp(34px,4vw,54px); line-height:1.28; letter-spacing:-.035em; margin-bottom:20px; }
h3 { font-size:20px; line-height:1.45; margin-bottom:10px; }
p { color:var(--muted); }
.lead { font-size:17px; max-width:650px; }
.eyebrow {
  display:inline-flex; align-items:center; gap:10px;
  color:var(--orange); font-size:11px; font-weight:900;
  letter-spacing:.18em; text-transform:uppercase; margin-bottom:18px;
}
.eyebrow::before { content:""; width:30px; height:2px; background:currentColor; }
.section-head {
  display:grid; grid-template-columns:1fr .8fr; gap:70px;
  align-items:end; margin-bottom:54px;
}
.section-head p { margin-bottom:0; }

/* Header */
header {
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,.93); backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(223,229,235,.9);
}
.nav { height:76px; display:flex; align-items:center; justify-content:space-between; gap:24px; }
.brand { display:flex; align-items:center; gap:12px; min-width:max-content; }
.brand-mark {
  width:38px; height:38px; border-radius:11px; background:var(--navy);
  position:relative; overflow:hidden;
}
.brand-mark::before {
  content:""; position:absolute; left:9px; top:9px; width:13px; height:17px;
  border-left:4px solid #fff; border-bottom:4px solid #fff; border-radius:0 0 0 5px;
}
.brand-mark::after {
  content:""; position:absolute; right:8px; top:9px; width:7px; height:20px;
  background:var(--orange); box-shadow:0 25px 0 var(--orange);
}
.brand-name { font-size:20px; font-weight:900; letter-spacing:.08em; color:var(--navy); line-height:1.1; }
.brand-sub { display:block; font-size:9px; font-weight:800; color:#7a8796; letter-spacing:.16em; margin-top:-2px; }
.nav-links { display:flex; align-items:center; gap:25px; font-size:12px; font-weight:800; color:#39495d; }
.nav-links a:hover { color:var(--orange); }
.nav-actions { display:flex; align-items:center; gap:10px; }
.btn {
  min-height:50px; padding:0 23px; border-radius:999px;
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  border:1px solid transparent; font-weight:850; font-size:13px; transition:.2s ease;
}
.btn-primary { background:var(--orange); color:#fff; box-shadow:0 12px 28px rgba(230,106,44,.22); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 16px 34px rgba(230,106,44,.28); }
.btn-secondary { background:#fff; color:var(--navy); border-color:#cfd8e2; }
.btn-secondary:hover { border-color:var(--navy); transform:translateY(-2px); }
.btn-dark { background:var(--navy); color:#fff; }
.btn-small { min-height:42px; padding-inline:18px; font-size:12px; }
.arrow { font-size:17px; line-height:1; }
.menu-toggle {
  display:none; width:43px; height:43px; border:1px solid var(--line);
  border-radius:50%; background:#fff; align-items:center; justify-content:center;
  color:var(--navy); font-size:20px; cursor:pointer;
}
.mobile-nav { display:none; }

/* Hero */
.hero { padding:78px 0 72px; background:linear-gradient(180deg,#f7f9fb 0%,#fff 100%); overflow:hidden; }
.hero-grid { display:grid; grid-template-columns:.94fr 1.06fr; gap:68px; align-items:center; min-height:650px; }
.hero-copy { position:relative; z-index:2; }
.hero-copy h1 em { font-style:normal; color:var(--orange); }
.hero-copy .lead { margin-bottom:32px; }
.hero-actions { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:30px; }
.hero-trust { display:flex; flex-wrap:wrap; gap:10px; }
.trust-chip {
  display:inline-flex; align-items:center; gap:8px; padding:9px 12px;
  border:1px solid var(--line); border-radius:999px; background:#fff;
  font-size:11px; font-weight:800; color:#435468;
}
.trust-chip::before {
  content:"✓"; display:grid; place-items:center; width:18px; height:18px;
  border-radius:50%; background:var(--orange-soft); color:var(--orange); font-weight:950;
}
.hero-media { position:relative; min-height:575px; }
.hero-product {
  position:absolute; left:0; top:0; width:72%; height:520px;
  border-radius:34px; background:#fff; box-shadow:var(--shadow);
  overflow:hidden; border:1px solid #e8edf2;
}
.hero-product img { width:100%; height:100%; object-fit:contain; padding:18px; }
.hero-factory {
  position:absolute; right:0; bottom:0; width:63%; height:230px;
  border-radius:27px; overflow:hidden; border:8px solid #fff;
  box-shadow:0 20px 42px rgba(19,52,91,.18);
}
.hero-factory img { width:100%; height:100%; object-fit:cover; }
.hero-badge {
  position:absolute; right:0; top:55px; width:154px; padding:18px 18px 16px;
  border-radius:18px; background:var(--navy); color:#fff;
  box-shadow:0 16px 34px rgba(19,52,91,.24);
}
.hero-badge strong { display:block; font-size:27px; line-height:1.1; margin-bottom:5px; }
.hero-badge span { display:block; font-size:10px; line-height:1.55; color:#d3deea; font-weight:700; }
.hero-label {
  position:absolute; left:25px; bottom:24px; background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px); padding:10px 14px; border-radius:12px;
  font-size:10px; font-weight:850; color:var(--navy);
  box-shadow:0 8px 20px rgba(19,52,91,.1);
}
.stripe { height:7px; background:repeating-linear-gradient(135deg,var(--orange) 0 12px,var(--navy) 12px 24px); }

/* Capability bar */
.capability-bar { border-bottom:1px solid var(--line); background:#fff; }
.capability-grid { display:grid; grid-template-columns:repeat(5,1fr); }
.capability-item {
  padding:25px 20px; border-right:1px solid var(--line);
  display:flex; align-items:center; gap:12px; font-size:12px;
  font-weight:850; color:#3d4d60;
}
.capability-item:last-child { border-right:0; }
.capability-num {
  width:34px; height:34px; border-radius:50%; background:var(--orange-soft);
  color:var(--orange); display:grid; place-items:center;
  font-size:11px; font-weight:950; flex:0 0 auto;
}

/* Service */
.intro { text-align:center; max-width:830px; margin:0 auto 58px; }
.intro .eyebrow::before { display:none; }
.intro p { font-size:16px; max-width:760px; margin:0 auto; }
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.service-card {
  background:#fff; border:1px solid var(--line); border-radius:22px;
  padding:29px 25px; min-height:245px; transition:.2s ease;
}
.service-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); border-color:transparent; }
.service-icon {
  width:48px; height:48px; border-radius:14px; background:var(--orange-soft);
  display:grid; place-items:center; color:var(--orange);
  font-size:15px; font-weight:950; margin-bottom:20px;
}
.service-card p { font-size:13px; margin-bottom:0; }
.service-tag { font-size:10px; color:#8b98a6; font-weight:850; letter-spacing:.12em; margin-bottom:8px; }

/* Kit examples */
.kit-grid { display:grid; grid-template-columns:1fr 1fr; gap:22px; }
.kit-card {
  border:1px solid var(--line); border-radius:26px; background:#fff;
  overflow:hidden; display:grid; grid-template-columns:.52fr .48fr; min-height:440px;
}
.kit-media { background:#f8fafc; min-height:430px; display:grid; place-items:center; overflow:hidden; }
.kit-media img { width:100%; height:100%; object-fit:contain; padding:20px; }
.kit-copy { padding:38px 34px; display:flex; flex-direction:column; justify-content:center; }
.kit-copy .label { font-size:10px; color:var(--orange); font-weight:900; letter-spacing:.14em; margin-bottom:10px; }
.kit-copy p { font-size:13px; }
.mini-list { display:grid; gap:9px; margin:18px 0 0; padding:0; list-style:none; }
.mini-list li { font-size:12px; font-weight:750; color:#47576a; display:flex; gap:9px; align-items:flex-start; }
.mini-list li::before { content:""; width:6px; height:6px; border-radius:50%; background:var(--orange); margin-top:8px; flex:0 0 auto; }
.custom-example {
  margin-top:22px; border-radius:26px; overflow:hidden; background:var(--navy);
  display:grid; grid-template-columns:.9fr 1.1fr; min-height:340px;
}
.custom-example-copy { padding:45px; color:#fff; display:flex; flex-direction:column; justify-content:center; }
.custom-example-copy p { color:#c9d5e1; margin-bottom:0; }
.custom-example-media { display:grid; grid-template-columns:1.4fr .7fr; gap:8px; padding:8px; background:#fff; }
.custom-example-media img { width:100%; height:100%; object-fit:cover; border-radius:17px; }
.custom-example-media .stack { display:grid; grid-template-rows:1fr 1fr; gap:8px; }

/* Product categories */
.product-cats { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.cat-card {
  background:#fff; border:1px solid var(--line); border-radius:18px;
  padding:23px; display:flex; gap:15px; align-items:flex-start;
}
.cat-icon {
  width:42px; height:42px; border-radius:12px; background:#edf3f8;
  color:var(--navy); display:grid; place-items:center;
  font-size:9px; font-weight:950; flex:0 0 auto;
}
.cat-card h3 { font-size:16px; margin:0 0 4px; }
.cat-card p { font-size:11px; margin:0; line-height:1.65; }
.catalog-cta {
  margin-top:30px; padding:24px 27px; border-radius:20px; background:#fff;
  border:1px solid var(--line); display:flex; align-items:center;
  justify-content:space-between; gap:20px;
}
.catalog-cta strong { display:block; color:var(--navy); font-size:16px; margin-bottom:3px; }
.catalog-cta p { font-size:12px; margin:0; }

/* Quality */
.quality-hero { display:grid; grid-template-columns:.72fr 1.28fr; gap:60px; align-items:center; margin-bottom:48px; }
.quality-hero h2 { color:#fff; }
.quality-photo {
  border-radius:28px; overflow:hidden; min-height:430px;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 22px 50px rgba(0,0,0,.22);
}
.quality-photo img { width:100%; height:100%; object-fit:cover; }
.quality-steps { display:grid; grid-template-columns:repeat(5,1fr); gap:12px; margin-bottom:34px; }
.quality-step {
  padding:22px 18px; border:1px solid rgba(255,255,255,.13);
  border-radius:18px; background:rgba(255,255,255,.045);
}
.quality-step span {
  display:inline-grid; place-items:center; width:31px; height:31px;
  border-radius:50%; background:var(--orange); font-size:10px;
  font-weight:950; margin-bottom:14px;
}
.quality-step h3 { font-size:14px; color:#fff; margin-bottom:6px; }
.quality-step p { font-size:10px; line-height:1.65; margin:0; }
.quality-gallery { display:grid; grid-template-columns:1.2fr .8fr .8fr; gap:12px; }
.quality-gallery figure {
  margin:0; position:relative; border-radius:19px; overflow:hidden;
  min-height:230px; background:#1e3d62;
}
.quality-gallery img { width:100%; height:100%; object-fit:cover; }
.quality-gallery figcaption {
  position:absolute; left:12px; bottom:12px; background:rgba(14,40,72,.85);
  color:#fff; padding:7px 10px; border-radius:9px; font-size:9px; font-weight:850;
}

/* Customisation */
.custom-grid { display:grid; grid-template-columns:.9fr 1.1fr; gap:70px; align-items:center; }
.custom-options { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:28px; }
.custom-option {
  padding:14px 15px; border:1px solid var(--line); border-radius:14px;
  font-size:12px; font-weight:800; color:#45566a; background:#fff;
  display:flex; gap:10px; align-items:center;
}
.custom-option::before { content:"＋"; color:var(--orange); font-size:15px; font-weight:950; }
.detail-collage {
  display:grid; grid-template-columns:1fr 1fr; gap:12px; padding:12px;
  background:#fff; border:1px solid var(--line); border-radius:27px; box-shadow:var(--shadow);
}
.detail-collage img { width:100%; height:220px; object-fit:cover; border-radius:17px; }
.detail-collage img:first-child { grid-column:1/-1; height:260px; }

/* About */
.about-panel {
  display:grid; grid-template-columns:1.04fr .96fr; gap:60px;
  align-items:center; background:#fff; border:1px solid var(--line);
  border-radius:30px; padding:58px;
}
.about-copy p { font-size:14px; }
.experience-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.experience-card { background:var(--soft); border-radius:18px; padding:24px; }
.experience-card strong { font-size:32px; color:var(--navy); line-height:1; display:block; margin-bottom:8px; }
.experience-card span { font-size:11px; font-weight:800; color:#5f6f81; }
.purpose { margin-top:18px; background:var(--navy); color:#fff; border-radius:18px; padding:24px; grid-column:1/-1; }
.purpose small { display:block; color:#9eb1c7; font-size:9px; font-weight:900; letter-spacing:.16em; margin-bottom:6px; }
.purpose strong { font-size:18px; line-height:1.55; }

/* Contact */
.contact { background:linear-gradient(145deg,var(--navy),var(--navy-2)); color:#fff; position:relative; overflow:hidden; }
.contact::before { content:""; position:absolute; width:520px; height:520px; border-radius:50%; border:1px solid rgba(255,255,255,.08); right:-190px; top:-250px; }
.contact-grid { display:grid; grid-template-columns:1fr .82fr; gap:70px; align-items:center; position:relative; z-index:2; }
.contact h2 { color:#fff; }
.contact p { color:#c7d3df; }
.contact-actions { display:flex; gap:12px; flex-wrap:wrap; margin-top:30px; }
.contact-card { background:#fff; color:var(--ink); border-radius:25px; padding:35px; box-shadow:0 25px 55px rgba(0,0,0,.19); }
.contact-card .row { padding:14px 0; border-bottom:1px solid var(--line); }
.contact-card .row:last-child { border-bottom:0; }
.contact-card small { display:block; font-size:9px; font-weight:900; color:#8a96a4; letter-spacing:.12em; margin-bottom:3px; }
.contact-card strong,.contact-card a { font-size:14px; color:var(--navy); font-weight:850; }
.contact-card a:hover { color:var(--orange); }

footer { background:#091f39; color:#91a3b7; padding:34px 0 86px; }
.footer-grid { display:flex; align-items:center; justify-content:space-between; gap:22px; font-size:10px; }
.footer-brand { font-weight:900; color:#fff; letter-spacing:.07em; }
.footer-links { display:flex; gap:20px; flex-wrap:wrap; }
.mobile-cta { display:none; }

@media (max-width:1080px) {
  .nav-links { display:none; }
  .menu-toggle { display:flex; }
  .hero-grid,.quality-hero,.custom-grid,.about-panel,.contact-grid { grid-template-columns:1fr; }
  .hero-grid { gap:30px; }
  .hero-copy { max-width:760px; }
  .hero-media { min-height:540px; }
  .service-grid { grid-template-columns:1fr 1fr; }
  .kit-grid { grid-template-columns:1fr; }
  .quality-steps { grid-template-columns:repeat(3,1fr); }
  .section-head { grid-template-columns:1fr; gap:15px; }
  .experience-grid { max-width:700px; }
  .mobile-nav {
    position:fixed; inset:76px 0 auto 0; background:#fff;
    border-bottom:1px solid var(--line); padding:18px 24px;
    box-shadow:0 18px 30px rgba(19,52,91,.12); z-index:99;
  }
  .mobile-nav.open { display:grid; gap:12px; }
  .mobile-nav a { padding:10px 0; font-size:13px; font-weight:800; color:var(--navy); }
}
@media (max-width:760px) {
  .container { width:min(var(--max),calc(100% - 28px)); }
  .section { padding:76px 0; }
  header .nav { height:68px; }
  .brand-sub { display:none; }
  .nav-actions .btn { display:none; }
  .mobile-nav { inset:68px 0 auto; }
  h1 { font-size:44px; }
  h2 { font-size:34px; }
  .lead { font-size:15px; }
  .hero { padding:50px 0 55px; }
  .hero-grid { min-height:auto; }
  .hero-media { min-height:440px; }
  .hero-product { width:82%; height:390px; border-radius:25px; }
  .hero-factory { width:68%; height:165px; border-width:6px; border-radius:20px; }
  .hero-badge { width:126px; padding:14px; top:42px; }
  .hero-badge strong { font-size:22px; }
  .hero-label { left:14px; bottom:14px; }
  .capability-grid { grid-template-columns:1fr 1fr; }
  .capability-item { border-bottom:1px solid var(--line); padding:18px 14px; }
  .capability-item:nth-child(2n) { border-right:0; }
  .capability-item:last-child { grid-column:1/-1; border-bottom:0; }
  .service-grid,.product-cats,.custom-options { grid-template-columns:1fr; }
  .kit-card { grid-template-columns:1fr; }
  .kit-media { min-height:350px; }
  .kit-copy { padding:30px 26px; }
  .custom-example { grid-template-columns:1fr; }
  .custom-example-copy { padding:34px 27px; }
  .custom-example-media { min-height:270px; }
  .catalog-cta { align-items:flex-start; flex-direction:column; }
  .quality-steps { grid-template-columns:1fr 1fr; }
  .quality-gallery { grid-template-columns:1fr 1fr; }
  .quality-gallery figure:first-child { grid-column:1/-1; }
  .detail-collage img,.detail-collage img:first-child { height:180px; }
  .detail-collage img:first-child { grid-column:1/-1; }
  .about-panel { padding:31px 24px; }
  .experience-grid { grid-template-columns:1fr 1fr; }
  .experience-card { padding:20px; }
  .experience-card strong { font-size:28px; }
  .contact-actions { display:grid; }
  .contact-actions .btn { width:100%; }
  .contact-card { padding:27px 23px; }
  .footer-grid { flex-direction:column; align-items:flex-start; }
  .footer-links { gap:12px; }
  .mobile-cta {
    display:flex; position:fixed; left:12px; right:12px; bottom:12px;
    z-index:120; padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-cta a {
    width:100%; min-height:52px; border-radius:999px; background:var(--orange);
    color:#fff; display:flex; align-items:center; justify-content:center;
    font-size:13px; font-weight:900; box-shadow:0 14px 36px rgba(21,52,91,.28);
  }
}
@media (max-width:480px) {
  h1 { font-size:40px; }
  .hero-media { min-height:395px; }
  .hero-product { height:345px; }
  .hero-factory { height:145px; }
  .hero-badge { right:-5px; }
  .quality-steps { grid-template-columns:1fr; }
  .quality-gallery { grid-template-columns:1fr; }
  .quality-gallery figure:first-child { grid-column:auto; }
  .experience-grid { grid-template-columns:1fr; }
  .purpose { grid-column:auto; }
  .detail-collage { grid-template-columns:1fr; }
  .detail-collage img:first-child { grid-column:auto; }
}

.contact-sub { display:block; margin-top:5px; color:#7a8796; font-size:10px; font-weight:700; line-height:1.45; letter-spacing:.02em; }