:root{--navy:#132f4c;--navy2:#1f4c76;--blue:#2c74ba;--sky:#edf7ff;--soft:#f6fbff;--white:#fff;--text:#1e2d3a;--muted:#617586;--line:#dbe8f2;--orange:#ff8a22;--shadow:0 18px 45px rgba(19,47,76,.1);--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Hiragino Sans","Yu Gothic","Meiryo",sans-serif;color:var(--text);background:#f9fcff;line-height:1.8}a{text-decoration:none;color:inherit}.container{width:min(1140px,calc(100% - 32px));margin:auto}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(19,47,76,.08)}.header__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 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