:root{--navy:#072f67;--blue:#0668c7;--orange:#ff6517;--ink:#172033;--muted:#5d6a7c;--line:#d8e3ef;--soft:#f3f8fd;--white:#fff;--shadow:0 12px 30px rgba(8,47,103,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.75;background:#fff}img{max-width:100%;height:auto;display:block}a{color:inherit}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{min-height:82px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;text-decoration:none;gap:10px;min-width:220px}.brand-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--blue),#59a7eb);color:#fff;font-size:30px;line-height:1}.brand strong{display:block;font-size:20px;line-height:1.25}.brand small{display:block;font-size:11px;color:var(--muted)}.global-nav{display:flex;gap:18px;margin-left:auto}.global-nav a{text-decoration:none;font-size:13px;font-weight:700;color:#29405f}.header-cta{white-space:nowrap}.nav-toggle{display:none}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:52px;padding:12px 24px;border-radius:8px;color:#fff;text-decoration:none;font-weight:800;box-shadow:0 8px 20px rgba(0,0,0,.08)}.btn-orange{background:var(--orange)}.btn-blue{background:var(--blue)}.hero{padding:38px 0 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