:root{--navy:#182c38;--ink:#26383d;--paper:#faf6eb;--red:#bb4b37;--yellow:#edbd69;--green:#657d68;--muted:#68736f}*{box-sizing:border-box}body{margin:0;background:var(--navy);color:var(--ink);font-family:'Yu Gothic','Hiragino Kaku Gothic ProN',Meiryo,sans-serif;line-height:1.8;font-size:15px}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--red);outline-offset:4px}.skip{position:fixed;top:-100px;background:white;z-index:50}.skip:focus{top:0}.topbar{max-width:1080px;margin:auto;padding:22px 28px;display:flex;align-items:center;justify-content:space-between;color:var(--paper);gap:10px}.brand{text-decoration:none;font-size:22px;font-weight:900;letter-spacing:1px;line-height:1.1}.brand 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