:root{
  --navy:#0e3158;
  --blue:#138af3;
  --cyan:#33c5ff;
  --line:#dce9f5;
  --muted:#617487;
  --bg:#f6f9fc;
  --text:#1f2d3d;
  --white:#fff;
  --shadow:0 18px 50px rgba(14,49,88,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;max-width:100%;overflow-x:hidden;font-family:"Yu Gothic","YuGothic",Meiryo,sans-serif;color:var(--text);background:var(--bg);line-height:1.8}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{width:min(1160px,calc(100% - 40px));margin:0 auto}
.topbar{background:var(--navy);color:#dceeff;font-size:13px}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:7px 0}
header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.header-inner{height:84px;display:flex;align-items:center;justify-content:space-between;gap:18px;max-width:100%}
.logo{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:900;letter-spacing:.03em;white-space:nowrap;flex:0 0 auto}
.logo-img{width:96px;height:auto;object-fit:contain}
.logo small{display:block;color:#6b7c8d;font-size:11px;letter-spacing:.08em;margin-top:-3px}
.main-nav{display:flex;gap:18px;align-items:center;justify-content:flex-end;min-width:0;flex:1 1 auto;color:#2d4a66;font-size:15px;font-weight:900;white-space:nowrap}
.main-nav a{position:relative;padding:8px 0}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:10px;background:var(--blue);transform:scaleX(0);transition:transform .2s ease}
.main-nav a:hover::after,.main-nav a:focus-visible::after,.main-nav a[aria-current="page"]::after{transform:scaleX(1)}
.header-btn{background:var(--blue);color:#fff;padding:10px 17px;border-radius:999px;box-shadow:0 12px 22px rgba(19,138,243,.24);font-weight:900;white-space:nowrap;flex:0 0 auto}
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:#718096;font-size:14px;margin-bottom:22px}
.breadcrumb a{color:var(--blue);font-weight:900}
.product-hero{padding:52px 0 64px;background:radial-gradient(circle at 7% 10%,rgba(51,197,255,.18),transparent 34%),linear-gradient(180deg,#fff,#eef7ff)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);gap:46px;align-items:center}
.product-label{display:inline-flex;align-items:center;gap:9px;padding:8px 14px;border:1px solid #cfe3f7;border-radius:999px;background:#fff;color:var(--blue);font-size:13px;font-weight:900;letter-spacing:.05em}
.product-label::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--blue)}
h1{margin:22px 0 18px;color:var(--navy);font-size:clamp(38px,5vw,66px);line-height:1.16;letter-spacing:-.04em}
.hero-lead{margin:0;color:#405a72;font-size:clamp(16px,1.7vw,19px);font-weight:700}
.hero-points{display:flex;gap:9px;flex-wrap:wrap;margin:24px 0 0;padding:0;list-style:none}
.hero-points li{padding:7px 11px;border-radius:999px;background:#fff;border:1px solid #cfe3f7;color:#164d82;font-size:12px;font-weight:900}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 22px;border-radius:999px;font-weight:900;transition:.2s ease}
.btn-primary{background:linear-gradient(135deg,#138af3,#0d6fd0);color:#fff;box-shadow:0 14px 28px rgba(19,138,243,.24)}
.btn-outline{background:#fff;color:var(--navy);border:1px solid #cfe3f7}
.btn:hover{transform:translateY(-2px)}
.hero-flyer{height:520px;border-radius:30px;overflow:hidden;background:#dbeeff;box-shadow:var(--shadow);border:8px solid #fff}
.hero-flyer img{width:100%;height:100%;object-fit:cover;object-position:center top}
section{padding:72px 0}
.section-white{background:#fff}
.section-head{max-width:780px;margin-bottom:30px}
.kicker{margin:0 0 7px;color:var(--blue);font-size:12px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}
.section-title{margin:0;color:var(--navy);font-size:clamp(28px,3.3vw,42px);line-height:1.3;letter-spacing:-.03em}
.section-desc{margin:12px 0 0;color:var(--muted)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.feature-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 12px 34px rgba(14,49,88,.07)}
.feature-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:17px;background:#eaf5ff;color:var(--blue);font-size:25px;font-weight:900;margin-bottom:15px}
.feature-card h3{margin:0 0 7px;color:var(--navy);font-size:19px}
.feature-card p{margin:0;color:var(--muted);font-size:14px}
.use-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.use-card{padding:20px 16px;text-align:center;background:#f8fbff;border:1px solid var(--line);border-radius:20px}
.use-card span{font-size:31px;display:block;margin-bottom:7px}
.use-card b{display:block;color:var(--navy);line-height:1.45}
.use-card small{display:block;margin-top:5px;color:var(--muted);line-height:1.55}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;counter-reset:step}
.flow-item{position:relative;padding:20px;background:#fff;border:1px solid var(--line);border-radius:20px;counter-increment:step}
.flow-item::before{content:"0" counter(step);display:grid;place-items:center;width:37px;height:37px;margin-bottom:12px;border-radius:50%;background:var(--blue);color:#fff;font-weight:900;font-size:13px}
.flow-item h3{margin:0 0 6px;color:var(--navy);font-size:17px}
.flow-item p{margin:0;color:var(--muted);font-size:13px}
.proof-box{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding:34px;background:linear-gradient(135deg,#072b59,#0d72d2);color:#fff;border-radius:30px;box-shadow:var(--shadow)}
.proof-box h2{margin:0 0 12px;font-size:clamp(27px,3vw,39px);line-height:1.3}
.proof-box p{margin:0;color:#dceeff}
.proof-list{margin:18px 0 0;padding:0;list-style:none;display:grid;gap:9px}
.proof-list li{position:relative;padding-left:24px}
.proof-list li::before{content:"✓";position:absolute;left:0;color:#75e4ff;font-weight:900}
.proof-photo{height:320px;border-radius:23px;overflow:hidden;border:6px solid rgba(255,255,255,.2)}
.proof-photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.flyer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.flyer-page{background:#fff;padding:12px;border:1px solid var(--line);border-radius:22px;box-shadow:0 14px 38px rgba(14,49,88,.09)}
.flyer-page img{width:100%;height:auto;border-radius:12px}
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-list details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 20px}
.faq-list summary{cursor:pointer;color:var(--navy);font-weight:900;padding:18px 34px 18px 0}
.faq-list p{margin:0;padding:0 0 18px;color:var(--muted)}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.related-card{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 32px rgba(14,49,88,.07)}
.related-card h3{margin:0;color:var(--navy)}
.related-card p{margin:5px 0 0;color:var(--muted);font-size:14px}
.related-card b{color:var(--blue);white-space:nowrap}
.final-cta{padding:0 0 72px}
.cta-box{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:36px;border-radius:30px;background:linear-gradient(135deg,#0e3158,#138af3);color:#fff;box-shadow:var(--shadow)}
.cta-box h2{margin:0;font-size:clamp(26px,3vw,38px);line-height:1.35}
.cta-box p{margin:9px 0 0;color:#dceeff}
.cta-box .btn{background:#fff;color:var(--blue);flex:0 0 auto}
footer{background:var(--navy);color:#dceeff;padding:38px 0 22px}
.footer-grid{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.footer-brand{font-weight:900;color:#fff}
.footer-links{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;font-weight:800}
.copyright{margin-top:24px;border-top:1px solid rgba(255,255,255,.14);padding-top:18px;font-size:12px;color:rgba(220,238,255,.72)}
@media (max-width:1120px){.main-nav{gap:12px;font-size:13px}.header-inner{gap:12px}}
@media (min-width:981px){.hero-title-compact{font-size:clamp(38px,3.1vw,46px);white-space:nowrap}.proof-title-compact{font-size:clamp(27px,2.6vw,35px);white-space:nowrap}}
@media (max-width:1080px){.logo span{display:none}}
@media (max-width:980px){.main-nav{display:none}.header-inner{height:76px}.hero-grid,.proof-box{grid-template-columns:1fr}.hero-flyer{height:480px}.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.use-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flow{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:720px){.container{width:min(100% - 28px,1160px)}.topbar .container{justify-content:center;text-align:center;flex-wrap:wrap}.logo-img{width:82px}.header-btn{display:none}.product-hero{padding:34px 0 48px}.hero-grid{display:block}.hero-flyer{height:390px;margin-top:30px}.feature-grid,.use-grid,.flow,.flyer-grid,.related-grid{grid-template-columns:1fr}.proof-box{padding:26px}.proof-photo{height:260px}.cta-box{display:block;padding:28px}.cta-box .btn{margin-top:22px}.related-card{display:block}.related-card b{display:inline-block;margin-top:12px}section{padding:54px 0}}