:root{--paper:#f6f3ed;--ink:#293239;--muted:#717774;--line:#dcded4;--green:#354d45;--violet:#4a4968;--accent:#d67e5d}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.7}button,input,select{font:inherit}button,a,input,select{touch-action:manipulation}button,a{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,canvas:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #8c72c8;outline-offset:4px}button{color:inherit}canvas{display:block;max-width:100%}[hidden]{display:none!important}.wrap{width:min(1400px,calc(100% - 96px));margin:auto}.preview-strip{background:#e5e7de;display:flex;justify-content:center;gap:20px;padding:7px 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