*{box-sizing:border-box;margin:0;padding:0}
:root{--navy:#16273b;--green:#0e86c9;--green-text:#076ba3;--green-d:#0a6ea0;--grad:linear-gradient(130deg,#062f5e 0%,#0a5a9c 52%,#0f83c4 100%);--ink:#33404f;--sub:#5f6c7b;--line:#e6e2d8;--sand:#f5f2ea;--sand2:#efe9dc}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:#fff;line-height:1.9;-webkit-font-smoothing:antialiased;font-size:16px}
a{color:var(--green-text);text-decoration:none}
a:hover{color:var(--green-d)}
img{max-width:100%;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 32px}
.zen{font-family:"Zen Kaku Gothic New",sans-serif}
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:.18em;font-weight:500;color:var(--green-text);display:flex;align-items:center;gap:10px}
.eyebrow::before{content:"//";color:var(--green-text);font-weight:700}
.sec-title{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;color:var(--navy);font-size:34px;line-height:1.4;letter-spacing:.01em;margin:14px 0 0}
.sec-lead{color:var(--sub);font-size:15.5px;margin-top:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;border-radius:3px;padding:16px 30px;font-size:15px;transition:.2s;cursor:pointer;border:none}
.btn-p{background:var(--grad);background-size:140% 140%;background-position:0% 50%;color:#fff;transition:.3s}
.btn-p:hover{background-position:100% 50%;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,131,214,.4)}
.btn-o{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn-o:hover{border-color:var(--green);color:var(--green-text)}
.btn-sm{padding:12px 22px}
/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.hdr-logo{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:var(--navy);font-weight:500;font-size:14.5px}
.nav a:hover{color:var(--green-text)}
.hdr-cta{display:flex;align-items:center;gap:18px}
.hdr-tel{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-weight:700;font-size:17px;line-height:1}
.hdr-tel span{display:block;font-size:10px;letter-spacing:.14em;color:var(--sub);font-weight:500;margin-bottom:3px}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:10px}
.burger i{width:24px;height:2px;background:var(--navy);display:block;transition:transform .25s,opacity .2s}
.hdr.is-menu-open .burger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hdr.is-menu-open .burger i:nth-child(2){opacity:0}
.hdr.is-menu-open .burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
body.menu-open{overflow:hidden}
/* hero */
.hero{position:relative;background:var(--grad);overflow:hidden;padding:0}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);background-size:44px 44px;mask:linear-gradient(160deg,#000,transparent 92%)}
.hero::after{content:"";position:absolute;right:-10%;top:-30%;width:60%;height:120%;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 62%)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:84px;padding-bottom:96px;position:relative;z-index:2}
.hero h1{font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700;color:#fff;font-size:clamp(40px,4.5vw,50px);line-height:1.32;letter-spacing:.01em}
.hero h1 em{font-style:normal;color:#bfe7fb;position:relative;text-shadow:0 2px 20px rgba(120,200,255,.4)}
.hero p{color:#b9c5d3;font-size:16.5px;margin-top:26px;max-width:520px}
.hero .eyebrow{color:#eafaff}
.hero .eyebrow::before{color:#eafaff}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap;max-width:520px}
.hero-actions .btn{flex:1 1 220px}
.hero-note{margin-top:22px;font-size:16.5px;color:#e6eef7}
.hero-note b{color:#fff !important}
.hero-media{position:relative}
.hero-visual{position:relative;aspect-ratio:4/5;border-radius:12px;overflow:hidden;box-shadow:0 30px 60px rgba(6,30,60,.45);border:1px solid rgba(255,255,255,.18)}
.hero-visual img{width:100%;height:100%;object-fit:cover;display:block}
/* trust bar */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust-in{display:flex;flex-wrap:wrap;gap:14px 40px;justify-content:center;align-items:center}
.wrap.trust-in{padding-block:26px}
.trust-in b{color:var(--navy);font-family:"Zen Kaku Gothic New",sans-serif;font-weight:700}
.trust-in span{color:var(--sub);font-size:16px;display:flex;align-items:center;gap:9px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--green)}
section{padding:100px 0}
section[id]{scroll-margin-top:90px}
/* services */
.svc-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;margin-top:52px}
.svc-card{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:3px;padding:34px 30px;transition:.25s;position:relative}
.svc-card::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--grad);transition:.3s}
.svc-card:hover::before{height:100%}
.svc-card:nth-child(4){grid-column:2 / span 2}
.svc-card:nth-child(5){grid-column:4 / span 2}
.svc-card:hover{border-color:var(--green);box-shadow:0 16px 34px rgba(22,39,59,.08);transform:translateY(-3px)}
.svc-no{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--green-text);letter-spacing:.1em}
.svc-ic{width:52px;height:52px;border-radius:4px;background:var(--sand);display:flex;align-items:center;justify-content:center;margin:14px 0 20px;color:var(--green)}
.svc-card h3{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-size:19px;line-height:1.5;font-weight:700}
.svc-card p{color:var(--sub);font-size:14px;margin-top:12px}
/* features */
.feat{background:var(--sand)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:52px}
.feat-num{font-family:"JetBrains Mono",monospace;font-size:38px;font-weight:700;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.feat-card{background:#fff;border-radius:3px;padding:40px 34px;border:1px solid var(--line);border-top:3px solid transparent;border-image:var(--grad) 1;position:relative}
.feat-card h3{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-size:21px;margin:10px 0 14px;font-weight:700}
.feat-card p{color:var(--sub);font-size:14.5px}
/* company */
.co-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;margin-top:52px}
.co-table{width:100%;border-collapse:collapse}
.co-table th,.co-table td{text-align:left;padding:18px 4px;border-bottom:1px solid var(--line);font-size:15px;vertical-align:top}
.co-table th{width:130px;color:var(--navy);font-weight:700;font-family:"Zen Kaku Gothic New",sans-serif}
.co-table td{color:var(--ink)}
.co-hist-title{color:var(--navy);font-size:18px;margin-bottom:26px}
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.tl-item{position:relative;padding:0 0 30px 4px}
.tl-item::before{content:"";position:absolute;left:-25px;top:5px;width:12px;height:12px;border-radius:50%;background:#fff;border:2.5px solid var(--green)}
.tl-item time{font-family:ui-monospace,Menlo,monospace;font-size:13px;color:var(--green-text);font-weight:600}
.tl-item p{color:var(--ink);font-size:15px;margin-top:4px}
/* contact */
.contact{background:linear-gradient(160deg,#04223f 0%,#062f5e 55%,#0a4a80 100%);color:#fff;position:relative;overflow:hidden}
.contact .eyebrow{color:#7cc6f0}
.contact .eyebrow::before{color:#7cc6f0}
.contact .sec-title{color:#fff}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;margin-top:48px;align-items:start}
.cc-lead{color:#c4cedb;font-size:15.5px;margin-top:6px}
.cc-methods{margin-top:34px;display:flex;flex-direction:column;gap:16px}
.cc-m{display:flex;gap:16px;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:18px 22px}
.cc-m .ic{width:44px;height:44px;border-radius:10px;background:rgba(124,198,240,.16);color:#7cc6f0;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.cc-m>div:last-child{min-width:0}
.cc-m small{color:#9fb0c2;font-size:11.5px;letter-spacing:.12em;display:block}
.cc-link{display:block;font-family:"Zen Kaku Gothic New",sans-serif;font-size:20px;font-weight:700;color:#fff;overflow-wrap:anywhere}
.cc-link:hover{color:#7cc6f0}
.form{background:#fff;border-radius:16px;padding:34px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;color:var(--navy);font-weight:700;margin-bottom:7px;font-family:"Zen Kaku Gothic New",sans-serif}
.field label i{color:#c0392b;font-style:normal;margin-left:4px;font-size:11px}
.field input,.field textarea,.field select{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:13px 14px;font-family:inherit;font-size:14.5px;color:var(--ink);background:#fbfaf7}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green);background:#fff}
.form .btn-p{width:100%;margin-top:6px}
.form .note{font-size:11.5px;color:var(--sub);text-align:center;margin-top:12px}
/* privacy */
.priv{background:var(--sand2)}
.priv-body{margin-top:36px;column-count:2;column-gap:56px}
.priv-body h3{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-size:15px;margin:0 0 8px;break-after:avoid}
.priv-body p{color:var(--sub);font-size:13.5px;margin-bottom:24px;break-inside:avoid;line-height:1.85}
.priv-note{color:#a08b5a}
.priv-lead{color:var(--sub);font-size:15.5px;margin-top:16px;max-width:640px}
.priv .btn{margin-top:28px}
/* privacy page */
.legal-head{background:var(--sand);border-bottom:1px solid var(--line);padding:64px 0}
.legal-head .sec-lead{margin-top:14px}
.legal{padding:80px 0}
.legal-body{max-width:760px}
.legal-body h2,.legal-body h3{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-size:19px;margin:40px 0 12px;font-weight:700}
.legal-body h3:first-child{margin-top:0}
.legal-body p{color:var(--ink);font-size:15px;margin-bottom:8px}
.legal-body ul,.legal-body ol{margin:6px 0 8px;padding-left:1.4em;color:var(--ink);font-size:15px}
.legal-body li{margin-bottom:4px}
.legal-body--tsundoku h3{font-size:17px;margin-top:28px}
.legal-body--tsundoku .legal-updated{color:var(--sub);font-size:13px;margin-bottom:20px}
.legal-body--tsundoku code{font-family:inherit;overflow-wrap:anywhere}
.legal-meta{color:var(--sub);font-size:13px;margin-top:44px;padding-top:20px;border-top:1px solid var(--line)}
.legal-back{margin-top:36px}
/* footer */
.ft{background:#fff;border-top:1px solid var(--line);padding:64px 0 30px}
.ft-in{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.ft-logo{height:30px;width:auto;margin-bottom:20px}
.ft-addr{color:var(--sub);font-size:13.5px;line-height:2}
.ft-col h2{font-family:"Zen Kaku Gothic New",sans-serif;color:var(--navy);font-size:13px;letter-spacing:.08em;margin-bottom:16px}
.ft-col a{display:block;color:var(--ink);font-size:14px;padding:7px 0}
.ft-col a:hover{color:var(--green-text)}
.ft-bot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--sub);font-size:12px}
@media(max-width:980px){
  .hdr-tel{display:none}
  .nav{position:absolute;top:100%;left:0;right:0;min-height:calc(100dvh - 74px);display:flex;align-items:stretch;flex-direction:column;gap:0;padding:20px 22px 32px;background:#fff;border-top:1px solid var(--line);overflow-y:auto;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:opacity .2s,visibility .2s,transform .2s}
  .nav a{padding:16px 4px;border-bottom:1px solid var(--line);font-size:16px}
  .hdr.is-menu-open .nav{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0)}
  .burger{display:flex}
}
@media(max-width:860px){
  .wrap{padding:0 22px}
  .hero::after{inset:0;width:auto;height:auto;background:radial-gradient(circle at 85% 20%,rgba(255,255,255,.12),transparent 70%)}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-top:52px;padding-bottom:60px}
  .hero-grid>div{width:100%;max-width:520px;margin-inline:auto}
  .hero h1{font-size:33px}
  .hero-visual{display:block;aspect-ratio:16/13;max-height:360px;margin-inline:auto}
  section{padding:64px 0}
  .sec-title{font-size:26px}
  .svc-grid{grid-template-columns:1fr;gap:16px}
  .svc-card,.svc-card:nth-child(4),.svc-card:nth-child(5){grid-column:auto}
  .feat-grid{grid-template-columns:1fr;gap:16px}
  .co-grid{grid-template-columns:1fr;gap:44px}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form .row{grid-template-columns:1fr}
  .priv-body{column-count:1}
  .ft-in{grid-template-columns:1fr;gap:32px}
}
@media(max-width:600px){
  .hdr-cta{gap:0}
  .hdr-cta>.btn-sm{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.burger i,.nav,.svc-card,.svc-card::before{transition:none}
  .btn-p:hover,.svc-card:hover{transform:none}
}

/* Contact form bot trap: visible only to automated form fillers. */
.contact-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

#contact-submit:disabled {
  cursor: wait;
  opacity: .65;
}

#contact-status:not(:empty) {
  margin-top: 12px;
}