:root{--navy:#152b55;--pink:#f34387;--cyan:#14bcd5;--yellow:#ffdc40;--lav:#edeafa;--muted:#5c6677;--line:#e8e9ef;--paper:#fffdfa;font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',Meiryo,sans-serif;color:var(--navy);background:var(--paper)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;line-height:1.85}a{color:inherit;text-underline-offset:.25em}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #126a96;outline-offset:5px}button{font:inherit;cursor:pointer}img{max-width:100%;height:auto;display:block}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.5}h1{font-size:clamp(27px,4.8vw,52px);letter-spacing:.015em}h2{font-size:clamp(23px,3vw,32px)}h3{font-size:19px}.wrap{width:min(1100px,calc(100% - 40px));margin:auto}.skip{position:absolute;top:-100px;background:#fff;padding:12px;z-index:30}.skip:focus{top:4px}.header{background:#fffffff5;position:sticky;top:0;z-index:20;border-bottom:1px solid 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