:root{--navy:#082d5c;--blue:#0a5aa8;--cyan:#16a6d9;--green:#168b5b;--orange:#ff8a1f;--red:#c44536;--ink:#102a43;--muted:#627d98;--line:#d8e7f2;--soft:#f5faff;--shadow:0 16px 42px rgba(8,45,92,.09)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fff,#f6fbff 50%,#fff);line-height:1.7}a{color:inherit}.rv-nav{position:sticky;top:0;z-index:40;min-height:68px;padding:10px max(5vw,24px);display:flex;align-items:center;justify-content:space-between;gap:16px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.rv-brand{font-weight:950;color:var(--blue);text-decoration:none}.rv-nav nav{display:flex;gap:8px;flex-wrap:wrap}.rv-nav nav a{text-decoration:none;font-size:12px;font-weight:850;padding:8px 11px;border:1px solid var(--line);border-radius:999px;background:#fff}.rv-hero{padding:82px max(6vw,calc((100vw - 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