:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--ink:#203c38;--green:#17755d;--paper:#f6f5ed}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Malgun Gothic,sans-serif}header{border-bottom:1px solid #d9ddd3;justify-content:space-between;align-items:center;max-width:1120px;margin:auto;padding:30px 28px;display:flex}a{color:inherit;text-decoration:none}nav{gap:25px;font-size:14px;display:flex}.logo{letter-spacing:1px;font-weight:800}.logo span{color:#d57747}main{min-height:75vh;padding:35px 20px}.eyebrow{letter-spacing:2px;color:#64796e;font-size:12px;font-weight:700}.eyebrow span{float:right;letter-spacing:0;border:1px solid #dce4d8;border-radius:20px;padding:3px 8px}.home{max-width:920px;margin:45px auto}.home h1{letter-spacing:-3px;margin:25px 0;font-size:clamp(42px,7vw,76px);line-height:1.25}.home em{color:var(--green);font-style:normal}.home>p{color:#65756b;line-height:1.9}.home>a{width:fit-content;margin-top:20px;display:block}.primary{background:var(--green);color:#fff;text-align:center;cursor:pointer;border:0;border-radius:12px;padding:18px 26px;font-size:16px;font-weight:700;display:block}button{font:inherit;min-height:48px;color:var(--ink);cursor:pointer;background:#fffdf6;border:1px solid #d9e1d7;border-radius:10px;padding:10px}button:disabled{opacity:.35;cursor:default}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #d8874b}.board{background:#fffef9;border:1px solid #dbe1d6;border-radius:24px;width:100%;max-width:460px;margin:0 auto;padding:28px;box-shadow:0 16px 60px #29473809}.page-title{text-align:center;margin:0 0 25px;font-size:28px}.target{text-align:center;padding:35px 0 20px}.target small{letter-spacing:3px;color:#7a8d7e;font-size:11px}.target strong{letter-spacing:-5px;font-size:86px;font-weight:600;line-height:1.3;display:block}.target p{color:#738175;font-size:13px}.status{border-block:1px solid #e4e8de;justify-content:space-between;margin-bottom:20px;padding:15px 0;font-size:13px;display:flex}.expression{word-break:break-all;background:#f2f4ec;border-radius:12px;justify-content:center;align-items:center;min-height:82px;margin-bottom:20px;padding:18px;font-size:20px;display:flex}.tiles{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.tiles button{background:#e9efdf;border-color:#d9e2ce;height:76px;font-size:32px;font-weight:600}.operators{grid-template-columns:repeat(6,1fr);gap:7px;margin:14px 0;display:grid}.operators button{font-size:21px}.tools{gap:8px;margin:16px 0;display:flex}.tools button{background:0 0;border:0;flex:1;padding:5px;font-size:12px}.board .primary{width:100%;margin-top:15px}.board>p{font-size:13px;line-height:1.7}.board footer{text-align:center;color:#7c897f;margin-top:26px;font-size:11px;line-height:1.9}.history{padding-left:22px;font-size:14px;line-height:2}.history span{float:right;color:#687f64}aside{background:#f4f0dd;border-radius:12px;padding:8px 15px;font-size:13px}.result{text-align:center}.result h2{margin:20px;font-size:66px}.result h2 span{font-size:24px}.result>button,.result>a{margin:10px auto;display:block}.intro{max-width:720px;margin:70px auto;line-height:1.9}.intro h2{margin-top:35px;font-size:22px}.intro p{color:#62756b}.site-footer{text-align:center;color:#849184;padding:30px;font-size:12px;line-height:2}.center{text-align:center;font-size:13px}@media (max-width:520px){header{gap:10px;padding:22px 16px}.logo{font-size:13px}nav{gap:12px;font-size:11px}main{padding:25px 14px}.board{padding:22px 18px}.home{margin:25px 6px}.home h1{letter-spacing:-2px}.intro{margin:40px auto}header{flex-wrap:wrap}header nav{justify-content:space-between;gap:10px;width:100%;font-size:12px}.language{color:var(--green);font-weight:700}}