:root{
  --blue:#2E7DD1; --blue-d:#1F5FA6; --blue-l:#EAF3FC; --teal:#23B3A3;
  --ink:#26313F; --slate:#5C6B7A; --line:#E3EBF2; --white:#fff; --bg:#F7FAFD;
  --maxw:1140px; --gut:clamp(20px,5vw,60px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--white);color:var(--ink);font-family:"Noto Sans JP",sans-serif;line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.fig{font-family:"Figtree",sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
::selection{background:var(--blue);color:#fff}
h1,h2,h3,.sec-h{word-break:keep-all;line-break:strict}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
section{padding-block:clamp(56px,7vw,96px)}
.eyebrow{font-family:"Figtree";font-weight:700;color:var(--blue);letter-spacing:.12em;font-size:.86rem;text-transform:uppercase;display:flex;align-items:center;gap:8px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--teal)}
.reveal{opacity:0;transform:translateY(22px);transition:all .7s ease}
.reveal.in{opacity:1;transform:none}
.sec-h{font-size:clamp(1.7rem,4.2vw,2.5rem);font-weight:700}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;padding:13px 26px;border-radius:10px;cursor:pointer;border:0;transition:all .25s;font-size:.95rem;white-space:nowrap}
.btn-blue{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(46,125,209,.28)}
.btn-blue:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn-out{background:#fff;color:var(--blue);border:1.5px solid var(--line)}
.btn-out:hover{border-color:var(--blue)}
.btn-white{background:#fff;color:var(--blue);box-shadow:0 10px 30px rgba(0,0,0,.18)}
.btn-white:hover{transform:translateY(-2px)}

/* header (multi-page) */
header{position:fixed;inset:0 0 auto 0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.head-in{max-width:var(--maxw);margin:0 auto;padding:12px var(--gut);display:flex;justify-content:space-between;align-items:center}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.12rem;word-break:keep-all;line-height:1.25}
.logo .m{width:36px;height:36px;background:var(--blue);border-radius:50%;display:grid;place-items:center;color:#fff;font-size:1.1rem;flex-shrink:0}
.logo small{display:block;font-size:.62rem;color:var(--slate);font-weight:500;letter-spacing:.1em}
nav{display:flex;gap:26px;align-items:center}
nav a.navlink{font-size:.9rem;font-weight:500;color:var(--slate);position:relative;padding:4px 0}
nav a.navlink:hover{color:var(--blue)}
nav a.navlink.active{color:var(--blue)}
nav a.navlink.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--blue);border-radius:2px}
.burger{display:none;background:none;border:0;color:var(--blue);font-size:1.6rem;cursor:pointer;line-height:1}

/* page hero (subpages) */
.pagehero{padding-top:clamp(110px,15vh,140px);padding-bottom:clamp(40px,5vw,64px);background:radial-gradient(120% 100% at 90% 0%,var(--blue-l),transparent 60%),var(--bg);border-bottom:1px solid var(--line)}
.crumb{font-size:.8rem;color:var(--slate);margin-bottom:10px}
.crumb a:hover{color:var(--blue)}
.pagehero h1{font-size:clamp(1.9rem,4.6vw,2.8rem);font-weight:700}
.pagehero .en{font-family:"Figtree";font-style:italic;color:var(--blue);font-weight:700;letter-spacing:.04em;display:block;font-size:.95rem;margin-bottom:4px}
.pagehero p{color:var(--slate);margin-top:.6rem;max-width:50ch}

/* generic cards */
.serv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.serv{background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px 26px;transition:all .25s}
.serv:hover{transform:translateY(-5px);box-shadow:0 18px 40px rgba(38,49,63,.08);border-color:#cfe0f0}
.serv .ic{width:60px;height:60px;border-radius:16px;background:var(--blue-l);display:grid;place-items:center;font-size:1.7rem;margin-bottom:16px}
.serv h3{font-size:1.18rem;font-weight:700;margin-bottom:8px}
.serv p{font-size:.9rem;color:var(--slate)}
.serv-head{text-align:center;margin-bottom:clamp(30px,4vw,50px);display:flex;flex-direction:column;align-items:center;gap:12px}
.serv-head .eyebrow{justify-content:center}

/* cta */
.cta{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;text-align:center}
.cta h2{font-size:clamp(1.7rem,4.4vw,2.6rem);font-weight:700}
.cta p{margin:1rem auto 2rem;max-width:36ch;opacity:.92}
.cta .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center}
.cta .tel{font-family:"Figtree";font-weight:700;font-size:1.5rem}

/* footer */
footer{background:var(--ink);color:#cdd6e0;padding-block:40px}
.foot-in{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;align-items:flex-start}
footer .logo{color:#fff}footer .logo small{color:#9fb0c0}
.f-links{display:flex;gap:20px;flex-wrap:wrap}.f-links a{font-size:.84rem;color:#cdd6e0}.f-links a:hover{color:#fff}
.f-demo{width:100%;max-width:var(--maxw);margin:18px auto 0;padding-inline:var(--gut);border-top:1px solid #3a4654;padding-top:16px;font-size:.76rem;color:#8294a6;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media(max-width:860px){
  nav{position:fixed;inset:60px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:8px 0;border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(38,49,63,.1);transform:translateY(-130%);transition:transform .3s;align-items:stretch}
  nav.open{transform:none}
  nav a.navlink{padding:14px var(--gut);border-bottom:1px solid var(--line)}
  nav a.navlink.active::after{display:none}
  nav .btn{margin:12px var(--gut)}
  .burger{display:block}
  .serv-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}
a:focus-visible,button:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px}