:root{--font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", "Yu Gothic Medium", "Yu Gothic", "Noto Sans JP", "Noto Sans CJK JP", Meiryo, system-ui, sans-serif;--ink: #1f2a24;--muted: #4a564e;--paper: #fbfaf4;--link: #2f6f96;--mountain: #3f6b4f;--river: #2f6f96;--mist: #eef5ef;--water: #e3f0f7;--max: 40rem;--text: 34rem;--tap: 48px}*,*::before,*::after{box-sizing:border-box}html{font-size:19px;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.85;overflow-wrap:anywhere;overflow-x:hidden}img,svg{max-width:100%}a{color:var(--link);text-underline-offset:.18em}a:hover{color:var(--mountain)}a:focus-visible,.slider__track:focus-visible{outline:3px solid var(--river);outline-offset:3px;border-radius:6px}.wrap{width:min(100% - 2rem,var(--max));margin-inline:auto}@media (min-width: 900px){.wrap{width:min(100% - 3rem,58rem)}}.skip{position:absolute;left:-999px;top:0;background:#fff;padding:.5rem 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