:root{--navy:#102a43;--navy2:#173f5f;--ink:#17212b;--muted:#5f6f7f;--line:#dfe6ec;--soft:#f5f7f9;--warm:#f0b36b;--warm2:#fff2df;--white:#fff;--shadow:0 18px 50px rgba(16,42,67,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8;background:#fff}a{color:inherit;text-decoration:none}img{max-width:100%}.wrap{width:min(1120px,calc(100% - 40px));margin:auto}.narrow{max-width:820px}.center{text-align:center}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(223,230,236,.8)}.header-inner{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:800;font-size:22px}.brand-text{display:flex;flex-direction:column;line-height:1.15}.brand-text strong{font-size:21px;letter-spacing:.08em}.brand-text small{font-size:9px;color:var(--muted);letter-spacing:.04em;margin-top:4px}.primary-nav ul{list-style:none;display:flex;gap:34px;padding:0;margin:0}.primary-nav a{font-weight:600;font-size:14px}.primary-nav a:hover{color:var(--navy2)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 12px}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#f9fbfd 0%,#eef3f7 64%,#fff8ef 100%);min-height:680px;display:flex;align-items:center}.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}.hero h1{font-size:clamp(42px,5.1vw,72px);line-height:1.28;letter-spacing:-.03em;color:var(--navy);margin:12px 0 24px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.19em;color:#496985;margin:0 0 12px}.lead{font-size:17px;color:#4a5a69;max-width:650px}.hero-actions{display:flex;gap:14px;margin-top:34px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border-radius:10px;font-weight:700;border:1px solid transparent;cursor:pointer;font-size:15px}.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:#173f5f}.btn-ghost{border-color:#b9c8d5;color:var(--navy);background:rgba(255,255,255,.45)}.btn-light{background:#fff;color:var(--navy)}.btn-block{width:100%}.hero-visual{position:relative;height:430px}.visual-card{position:absolute;width:310px;height:190px;border-radius:24px;padding:30px;color:#fff;box-shadow:0 24px 60px rgba(16,42,67,.20);display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}.visual-card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 25%,rgba(255,255,255,.26),transparent 34%)}.visual-card span,.visual-card strong{position:relative}.visual-card span{font-size:10px;letter-spacing:.16em;opacity:.8}.visual-card strong{font-size:20px;margin-top:6px}.visual-medical{top:20px;left:10px;background:linear-gradient(145deg,#153f61,#0d2237);transform:rotate(-4deg)}.visual-light{right:0;bottom:20px;background:linear-gradient(145deg,#bf7a38,#e7b978);transform:rotate(4deg)}.hero-glow{position:absolute;border-radius:50%;filter:blur(10px);opacity:.34}.hero-glow-one{width:380px;height:380px;background:#b9d5e7;right:-130px;top:-110px}.hero-glow-two{width:300px;height:300px;background:#ffd9a9;left:42%;bottom:-170px}
.section{padding:100px 0}.section-soft{background:var(--soft)}.section h2{font-size:clamp(30px,3.4vw,48px);line-height:1.35;color:var(--navy);margin:8px 0 22px}.intro p:last-child{font-size:17px;color:#526171}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.text-link{font-weight:700;color:var(--navy2)}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.product-card{background:#fff;border-radius:22px;overflow:hidden;box-shadow:var(--shadow);border:1px solid #e7edf2}.card-art{height:270px;position:relative;overflow:hidden}.art-medical{background:linear-gradient(135deg,#173f5f,#87a9bd)}.line-knee{position:absolute;width:12px;height:170px;border-radius:10px;background:rgba(255,255,255,.85);left:48%;top:50px;transform:rotate(16deg);box-shadow:-55px 45px 0 -2px rgba(255,255,255,.72)}.pulse{position:absolute;width:94px;height:94px;border:2px solid rgba(255,255,255,.68);border-radius:50%;left:42%;top:90px;box-shadow:0 0 0 18px rgba(255,255,255,.08),0 0 0 36px rgba(255,255,255,.05)}.art-light{background:linear-gradient(150deg,#1e2731,#6c5847)}.lamp-glow{position:absolute;width:185px;height:185px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,#fff7d7 0%,#ffd59a 33%,rgba(246,172,79,.36) 58%,transparent 72%);box-shadow:0 0 90px 25px rgba(246,176,92,.28)}.card-body{padding:30px}.card-body h3{font-size:27px;color:var(--navy);margin:12px 0 12px}.card-body p{color:#596978}.tag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.08em;color:#285d7d;background:#e9f3f8;padding:6px 10px;border-radius:999px}.tag-warm{color:#8a5a20;background:#fff0dc}.consulting{background:var(--navy);color:#e6eef5}.consulting h2{color:#fff}.consulting .eyebrow{color:#a9c4d8}.consulting-inner{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}
.page-hero{padding:90px 0 70px;background:linear-gradient(135deg,#f7f9fb,#eef3f7)}.page-hero h1{font-size:clamp(40px,5vw,62px);color:var(--navy);margin:5px 0 10px}.page-hero p:last-child{color:#5e6d7a;font-size:17px}.two-col{display:grid;grid-template-columns:.75fr 1.25fr;gap:90px}.company-table{margin:0;border-top:1px solid var(--line)}.company-table div{display:grid;grid-template-columns:150px 1fr;border-bottom:1px solid var(--line);padding:22px 0}.company-table dt{font-weight:700;color:var(--navy)}.company-table dd{margin:0}.message-box{background:#fff;padding:44px;border-radius:18px;box-shadow:var(--shadow)}.signature{text-align:right;margin-top:32px}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.product-detail.reverse{direction:rtl}.product-detail.reverse>*{direction:ltr}.detail-art{height:460px;border-radius:24px;overflow:hidden;position:relative;box-shadow:var(--shadow)}.gms-art{background:linear-gradient(150deg,#163e5e,#95b0c3)}.knee-device{position:absolute;inset:0}.knee-device:before,.knee-device:after{content:"";position:absolute;width:18px;height:220px;background:#eaf2f7;border-radius:16px;left:46%;top:35px;transform-origin:50% 90%}.knee-device:before{transform:rotate(-18deg)}.knee-device:after{top:198px;transform:rotate(21deg)}.knee-device span{position:absolute;width:122px;height:122px;border-radius:50%;border:18px solid #f1f5f8;left:50%;top:190px;transform:translate(-50%,-50%);box-shadow:0 0 0 16px rgba(255,255,255,.1)}.lighting-art{background:linear-gradient(145deg,#1b232b,#6f5b47)}.ambient-lamp{width:220px;height:220px;border-radius:50%;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,#fffbe8 0%,#ffd8a0 32%,rgba(244,169,79,.4) 58%,transparent 72%);filter:blur(.2px);box-shadow:0 0 120px 35px rgba(255,183,90,.24)}.detail-copy h2{margin-top:12px}.detail-copy p{color:#566675}.notice{border-left:4px solid #9ab2c4;background:#f5f8fa;padding:16px 18px;margin:24px 0}.notice strong{color:var(--navy)}.notice p{margin:4px 0 0;font-size:13px}.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:start}.steps{list-style:none;margin:30px 0;padding:0}.steps li{display:flex;gap:18px;margin-bottom:28px}.steps li>span{width:34px;height:34px;flex:0 0 34px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-weight:800}.steps strong{color:var(--navy)}.steps p{margin:4px 0;color:#667582}.small{font-size:13px;color:#71808d}.contact-card{background:#fff;border:1px solid #e4eaef;border-radius:18px;padding:34px;box-shadow:var(--shadow)}.contact-form label{display:block;font-weight:700;margin-bottom:22px;color:var(--navy)}.contact-form label>span{font-size:10px;color:#fff;background:#9b3f3f;border-radius:4px;padding:2px 6px;margin-left:8px}.contact-form input[type=text],.contact-form input[type=email],.contact-form textarea{width:100%;margin-top:8px;border:1px solid #cdd8e1;border-radius:9px;padding:13px 14px;font:inherit;background:#fbfcfd}.contact-form textarea{resize:vertical}.privacy-check{display:flex!important;gap:10px;align-items:flex-start;font-size:13px!important;font-weight:500!important;color:#596978!important}.privacy-check input{margin-top:6px}.alert{padding:14px 16px;border-radius:8px;margin-bottom:20px;font-size:14px}.success{background:#edf8f0;color:#32633e}.error{background:#fff0f0;color:#8c3f3f}.site-footer{background:#0d2133;color:#dce7ef;padding:60px 0 0}.footer-grid{display:flex;justify-content:space-between;gap:40px}.footer-brand{font-size:20px;font-weight:800}.site-footer p{color:#9fb2c2;font-size:13px}.footer-links{display:flex;gap:24px;font-size:13px}.copyright{text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:18px;font-size:11px;color:#7890a2}
@media(max-width:860px){.header-inner{height:70px}.nav-toggle{display:block}.primary-nav{display:none;position:absolute;left:20px;right:20px;top:70px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:12px;padding:8px}.primary-nav.open{display:block}.primary-nav ul{display:block}.primary-nav li a{display:block;padding:12px 14px}.brand-text small{display:none}.hero{min-height:auto;padding:78px 0 70px}.hero-inner,.two-col,.product-detail,.contact-layout,.consulting-inner{grid-template-columns:1fr;gap:45px}.hero-visual{height:360px}.product-grid{grid-template-columns:1fr}.visual-card{width:70%;height:160px}.visual-light{right:0}.section{padding:72px 0}.section-head{align-items:start;flex-direction:column}.product-detail.reverse{direction:ltr}.detail-art{height:340px}.company-table div{grid-template-columns:110px 1fr}.footer-grid{flex-direction:column}.footer-links{flex-wrap:wrap}.contact-card{padding:24px}}
@media(max-width:520px){.wrap{width:min(100% - 28px,1120px)}.hero h1{font-size:39px}.lead{font-size:15px}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.hero-visual{height:315px}.visual-card{width:78%;height:145px}.visual-card strong{font-size:17px}.section h2{font-size:31px}.card-art{height:220px}.message-box{padding:26px}.company-table div{grid-template-columns:1fr;gap:5px}.detail-art{height:300px}.page-hero{padding:68px 0 54px}.page-hero h1{font-size:42px}.footer-links{display:grid;gap:12px}}

.contact-complete{background:#fff;border:1px solid #e4eaef;border-radius:22px;padding:58px 48px;box-shadow:var(--shadow);max-width:780px;margin:0 auto}.complete-mark{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin:0 auto 22px;background:#edf8f0;color:#32633e;font-size:32px;font-weight:800}.contact-complete h2{margin-top:0}.contact-complete p{color:#596978}.contact-complete .btn{margin-top:22px}@media(max-width:520px){.contact-complete{padding:38px 22px}}

/* NZAI official logo */
.brand{display:flex;align-items:center;flex-shrink:0}
.site-logo{display:block;width:320px;max-width:38vw;height:auto}
.footer-company{max-width:430px}
.footer-logo-link{display:inline-block;background:#fff;border-radius:8px;padding:10px 14px;line-height:0}
.footer-logo{display:block;width:330px;max-width:100%;height:auto}
@media(max-width:980px){.site-logo{width:270px;max-width:34vw}.primary-nav ul{gap:22px}}
@media(max-width:860px){.site-logo{width:245px;max-width:65vw}.header-inner{gap:14px}.footer-logo{width:300px}}
@media(max-width:520px){.site-logo{width:210px;max-width:68vw}.footer-logo{width:260px}.footer-logo-link{padding:8px 10px}}