:root{--ink:#16201c;--muted:#5d6b65;--line:#dce7e0;--paper:#fbfcf8;--surface:#ffffff;--surface-2:#f4f9f5;--white:#ffffff;--green:#1f7a63;--green-dark:#135646;--green-soft:rgba(31,122,99,0.1);--blue:#2f6f9f;--coral:#d96d54;--yellow:#f4c95d;--shadow:0 18px 45px rgba(28,45,38,0.12);--shadow-lg:0 28px 60px rgba(28,45,38,0.18);--nav-bg:rgba(251,252,248,0.82)}.portfolioPage{--simple-ink:#17211c;--simple-muted:#526159;--simple-green:#176b55;--simple-green-dark:#0f4d3d;--simple-green-soft:#eaf5f0;--simple-blue:#2d6f9e;--simple-yellow:#f5d66c;--simple-coral:#d96c55;--simple-line:#d8e2dc;min-height:100vh;overflow-x:clip;background:#ffffff;color:var(--simple-ink);font-family:Arial,Hiragino Sans,Yu Gothic,Meiryo,sans-serif;line-height:1.7}.portfolioPage *,.portfolioPage :after,.portfolioPage :before{box-sizing:border-box;letter-spacing:0}.portfolioPage a{color:inherit}.simpleNav{position:-webkit-sticky;position:sticky;top:0;z-index:50;border-bottom:1px solid 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