.kb{--ink:#15201c;--line:#d3ddd6;--paper:#f2f6f3;--key:#1f6b52;--soft:#5f6d66;background:var(--paper);min-height:100vh;color:var(--ink);font-family:Arial,Hiragino Kaku Gothic ProN,sans-serif}.kb header{border-bottom:1px solid var(--line);letter-spacing:.08em;grid-template-columns:1fr auto 1fr;align-items:center;height:64px;padding:0 24px;font-size:12px;display:grid}.kb header a{align-items:center;gap:7px;font-weight:700;display:flex}.kb header b{justify-self:end}.kb .kb-hero{justify-content:space-between;align-items:end;gap:30px;max-width:1380px;margin:auto;padding:22px 34px 16px;display:flex}.kb .kb-hero p{color:var(--soft);margin:0 0 10px}.kb .kb-hero h1{letter-spacing:-.06em;margin:0;font-size:clamp(19px,2.4vw,28px);line-height:1.15}.kb .kb-hero small{max-width:660px;color:var(--soft);margin-top:16px;font-size:13px;line-height:1.75;display:block}.kb .kb-hero svg{color:#9dbdae;stroke-width:1px;flex:none}.kb-desk{grid-template-columns:400px minmax(0,1fr);align-items:start;gap:24px;max-width:1380px;margin:auto;padding:0 34px 70px;display:grid}.kb-box{border:1px solid var(--line);background:#fff;border-radius:10px;padding:24px}.kb-boxhead{justify-content:space-between;align-items:end;gap:12px;display:flex}.kb-boxhead small{letter-spacing:.14em;color:var(--soft);font-size:10px}.kb-boxhead h2{margin:3px 0 0;font-size:20px}.kb label{margin-top:16px;font-size:12px;font-weight:700;display:block}.kb input,.kb textarea{width:100%;font:inherit;color:inherit;background:#fff;border:1px solid #c2cfc7;border-radius:6px;margin-top:5px;padding:9px}.kb textarea{resize:vertical;min-height:76px;font-size:13px;line-height:1.6}.kb-paste{min-height:200px}.kb-demo{color:var(--ink);white-space:nowrap;background:#fff;border:1px solid #c2cfc7;border-radius:99px;align-items:center;gap:6px;padding:7px 14px;font-size:12px;font-weight:700;display:flex}.kb-demo:disabled{opacity:.4}.kb-make{background:var(--key);color:#fff;border:0;border-radius:6px;justify-content:center;align-items:center;gap:8px;width:100%;margin-top:16px;padding:13px;font-size:15px;font-weight:700;display:flex}.kb-make:disabled{background:#8fb3a4}.kb-spin{animation:1s linear infinite kbspin}@keyframes kbspin{to{transform:rotate(360deg)}}.kb-err{color:#a8372c;margin:12px 0 0;font-size:13px;line-height:1.6}.kb-hint{color:var(--soft);gap:7px;margin:14px 0 0;font-size:11px;line-height:1.75;display:flex}.kb-clear{border:1px solid var(--line);color:#7e8b84;background:0 0;border-radius:6px;width:100%;margin-top:10px;padding:8px;font-size:12px}.kb-blank{text-align:center;color:var(--soft);background:#fbfdfc;border:1px dashed #c2cfc7;border-radius:10px;padding:56px 30px;font-size:13px;line-height:1.9}.kb-blank strong{color:var(--ink);margin-bottom:10px;font-size:17px;display:block}.kb-sum{border:1px solid var(--line);border-left:4px solid var(--key);background:#fff;border-radius:0 10px 10px 0;padding:18px 22px;font-size:14px;line-height:1.85}.kb-ihead,.kb-shead{justify-content:space-between;align-items:end;gap:14px;margin:26px 0 14px;display:flex}.kb-ihead small,.kb-shead small{letter-spacing:.14em;color:var(--soft);font-size:10px}.kb-ihead h2,.kb-shead h2{margin:3px 0 0;font-size:26px}.kb-ihead>span{color:var(--soft);text-align:right;max-width:330px;font-size:11px;line-height:1.7}.kb-item{border:1px solid var(--line);background:#fff;border-radius:10px;margin-bottom:11px;padding:18px 22px}.kb-itop{justify-content:space-between;align-items:baseline;gap:14px;display:flex}.kb-itop>strong{font-size:16px;line-height:1.5}.kb-itop>b{color:var(--key);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:16px}.kb-band{border:1px solid;border-radius:99px;margin:9px 8px 0 0;padding:4px 11px;font-size:11px;font-weight:700;display:inline-block}.kb-b0{color:#175c3c;background:#e9f5ee;border-color:#9ecdb4}.kb-b1{color:#8d5c0b;background:#faf1dc;border-color:#e0c68d}.kb-b2{color:#8e3b2f;background:#fbf0ee;border-color:#e2b3aa}.kb-b3{color:#4c5a70;background:#eef1f6;border-color:#bcc6d6}.kb-years{color:var(--soft);border:1px dashed #c2cfc7;border-radius:99px;margin-top:9px;padding:4px 11px;font-size:11px;font-weight:700;display:inline-block}.kb-basis{color:#4f5b55;margin:11px 0 0;font-size:12.5px;line-height:1.8}.kb-calc{background:#eef5f1;border:1px solid #c7ddd2;border-radius:8px;gap:10px;margin-top:12px;padding:13px 15px;display:flex}.kb-calc svg{color:var(--key);flex:none;margin-top:3px}.kb-calc>div>b{font-size:13.5px;line-height:1.7;display:block}.kb-calc small b{font-size:inherit}.kb-calc small{color:#59695f;margin-top:5px;font-size:11px;line-height:1.75;display:block}.kb-ask{border-top:1px dashed var(--line);margin:12px 0 0;padding-top:12px;font-size:13.5px;font-weight:700;line-height:1.8}.kb-ask>i{letter-spacing:.14em;color:var(--key);margin-bottom:4px;font-size:10px;font-style:normal;font-weight:700;display:block}.kb-say{border:1px solid var(--line);background:#fff;border-radius:10px;grid-template-columns:132px 1fr;gap:16px;margin-bottom:12px;padding:20px 22px;display:grid}.kb-say>i{color:var(--key);text-align:center;background:#eaf4ef;border:1px solid #b6d3c5;border-radius:6px;height:fit-content;padding:6px 0;font-size:11px;font-style:normal;font-weight:700}.kb-say p.kb-line{margin:0;font-size:16.5px;font-weight:700;line-height:1.85}.kb-say p.kb-why{color:var(--soft);margin:9px 0 0;font-size:12px;line-height:1.75}.kb-papers{border:1px solid var(--line);background:#fff;border-radius:10px;margin-top:18px;padding:20px 22px}.kb-papers>small{letter-spacing:.14em;color:var(--soft);font-size:10px;font-weight:700}.kb-paper{border-top:1px dashed var(--line);grid-template-columns:210px 1fr;gap:14px;padding:11px 0;font-size:13px;line-height:1.7;display:grid}.kb-paper:first-of-type{border-top:0}.kb-paper b{color:var(--key);font-size:13px}.kb-copy{background:var(--ink);color:#fff;white-space:nowrap;border:0;border-radius:99px;align-items:center;gap:6px;padding:9px 16px;font-size:12px;font-weight:700;display:flex}.kb-letter{border:1px solid var(--line);background:#fff;border-radius:10px;margin-top:22px;padding:22px 24px}.kb-letter pre{white-space:pre-wrap;word-break:break-word;font:inherit;border:1px solid var(--line);background:#fbfdfc;border-radius:8px;margin:10px 0 0;padding:16px 18px;font-size:13px;line-height:1.9}.kb-memo{background:#fdf8ec;border:1px solid #d8c18f;border-radius:10px;margin-top:18px;padding:18px 22px}.kb-memo small{letter-spacing:.14em;color:#8a6a17;font-size:10px;font-weight:700}.kb-memo ul{margin:8px 0 0;padding-left:19px}.kb-memo li{font-size:13px;line-height:1.95}.kb-foot{color:var(--soft);gap:7px;margin:18px 0 0;font-size:11px;line-height:1.85;display:flex}@media (max-width:960px){.kb-desk{grid-template-columns:1fr;padding:0 16px 50px}.kb .kb-hero{padding:40px 18px 28px}.kb .kb-hero svg{display:none}.kb-say{grid-template-columns:1fr;gap:8px}.kb-say>i{justify-self:start;padding:6px 14px}.kb-paper{grid-template-columns:1fr;gap:2px}.kb header span{display:none}.kb header{grid-template-columns:1fr auto}.kb-ihead,.kb-shead{display:block}.kb-ihead>span{text-align:left;max-width:none;margin-top:8px;display:block}.kb-copy{margin-top:10px}.kb-itop{display:block}.kb-itop>b{margin-top:4px;display:block}}.kb-hero p{margin:0 0 5px;font-size:12.5px;line-height:1.7}.kb-hero h1{margin:0 0 7px;line-height:1.4}.kb-hero h1 br{display:none}.kb-hero small{max-width:60em;font-size:12px;line-height:1.65;display:block}