:root{--ink:#163f43;--muted:#6b7b7c;--line:#dce4e1;--green:#174e49;--paper:#f6f7f2;--accent:#d5e8b5}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;line-height:1.7}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #719147;outline-offset:3px}.wrap{max-width:1220px;margin:0 auto;padding:0 36px}.skip{position:absolute;top:-80px}.skip:focus{top:10px;z-index:99;background:white;padding:8px}header{height:98px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:-1px}.brand-icon{display:grid;place-items:center;background:var(--ink);color:white;width:34px;height:38px;border-radius:6px;font-size:24px}nav{display:flex;gap:28px;font-size:14px}nav a[aria-current]{font-weight:700}.hero{display:flex;justify-content:space-between;align-items:center;padding:54px 0 45px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.5px;color:#64806b}.eyebrow span{display:inline-block;width:7px;height:7px;border-radius:100%;background:#779643;margin-right:8px}h1{font-size:48px;letter-spacing:-2.5px;line-height:1.27;margin:16px 0}h1 em{font-style:normal;color:#547045}.hero p:not(.eyebrow){font-size:15px;line-height:1.9;color:var(--muted)}.hero-art{padding:16px 45px 0 0;transform:rotate(-5deg)}.mini-paper{background:#fff;border:1px solid #d5dfda;box-shadow:7px 9px 0 #e1e7da;outline:1px dashed #c6d2cb;outline-offset:-13px;width:285px;padding:30px 30px 26px;text-align:center}.mini-paper small{font-size:8px;letter-spacing:2px}.mini-paper b{display:block;font-size:33px;margin:13px 0}.mini-paper span{font-size:11px;color:var(--muted)}.art-note{display:block;text-align:right;font-size:11px;color:#849178;margin-top:20px}.workbench{display:grid;grid-template-columns:430px minmax(0,1fr);gap:24px;align-items:start}.editor-column,.preview-column{min-width:0}.modes{display:grid;grid-template-columns:1fr 1fr;background:#e7ebe4;border-radius:12px;padding:5px;margin-bottom:16px}.modes button{border:0;background:none;border-radius:8px;padding:12px;color:#697971;font-weight:700}.modes .active{background:#fff;color:var(--ink);box-shadow:0 2px 5px #163f4310}.panel{background:white;border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:16px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;gap:12px}h2{font-size:18px;letter-spacing:-.6px;margin:0}.panel-title h2 span{font-size:12px;color:#789279;margin-right:9px}h3{font-size:14px}.text-btn{background:none;border:0;padding:0;color:#637d58;font-size:12px}.upload{position:relative;display:flex;align-items:center;flex-direction:column;text-align:center;border:1px dashed #9cb39a;border-radius:10px;background:#f7faf3;padding:24px 12px;cursor:pointer;overflow:hidden}.upload-icon{font-size:30px;line-height:1.2;color:#78946a}.upload strong{font-size:14px;margin:8px 0 3px}.upload span:last-of-type{font-size:11px;color:var(--muted)}.upload input{position:absolute;inset:0;opacity:0;width:100%;cursor:pointer}.upload:focus-within{outline:3px solid #719147}.muted{font-size:11px;color:var(--muted);line-height:1.7;margin:9px 0 12px;overflow-wrap:anywhere}label{display:block;font-size:12px;font-weight:600;margin-bottom:12px}select,input:not([type=checkbox]):not([type=file]),textarea{display:block;width:100%;border:1px solid #d5dfd9;border-radius:7px;background:#fff;color:var(--ink);padding:9px 10px;font-size:12px;margin-top:6px;min-width:0}textarea{resize:vertical;min-height:120px;white-space:pre}.check{display:flex;align-items:center;gap:7px;font-weight:400}.check input{accent-color:var(--green)}details{border-top:1px solid var(--line);padding:13px 0 0;margin-top:14px}summary{cursor:pointer;font-size:12px;font-weight:600}details[open]>summary{margin-bottom:12px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.badge{display:inline-block;font-size:11px;color:#647564;background:#edf2e8;border-radius:20px;padding:4px 9px;white-space:nowrap}.btn{border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--ink);padding:10px 16px;font-size:13px;font-weight:700}.primary{background:var(--ink);color:white;border-color:var(--ink)}.preview-column{background:#e9eee7;border:1px solid #d8e1d5;border-radius:15px;padding:24px;position:sticky;top:16px}.preview-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}.preview-toolbar h2{font-size:19px;margin-top:2px}.preview-toolbar .eyebrow{font-size:9px;letter-spacing:2px}#paper-wrap{background:#e0e6dc;border-radius:9px;padding:16px;min-height:350px;overflow:hidden}#empty{height:370px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:repeating-linear-gradient(0deg,#fff 0px,#fff 29px,#f5f7f1 30px);border:1px solid #d7dfd1;border-radius:3px;text-align:center}#empty>span{font-size:40px;color:#97a58c}#empty h3{font-size:17px;margin:12px 0 0}#empty p{font-size:12px;color:var(--muted);line-height:1.9}#empty .btn{font-size:12px;margin-top:12px}#preview{position:relative;margin:auto;box-shadow:0 5px 15px #1c35261a}#preview .paper{transform:scale(var(--scale));transform-origin:top left;position:absolute;top:0;left:0}#preview .label{outline:1px dashed #dce3d5;outline-offset:-1px}#preview .label-content{color:#172d36}.page-nav{display:flex;align-items:center;justify-content:center;gap:20px;margin:13px 0;font-size:12px}.page-nav button{border:1px solid #cfd9c9;background:#fff;border-radius:6px;width:32px;height:29px}.print-btn{display:block;width:100%;margin-top:20px;padding:14px}.print-tip{text-align:center;font-size:11px;line-height:1.8;color:#677961;margin:12px 0 20px}.tip{border-top:1px solid #cfdbc8;padding-top:18px;font-size:12px;color:#687b61}.tip b{color:#45613e}.tip p{margin:6px 0}.tip a{font-size:11px;text-decoration:underline}#feedback{font-size:12px;min-height:20px}.error{color:#a23a2a;font-size:12px;line-height:1.7}.success{color:#426d48}.table-wrap{overflow:auto;max-height:170px;border:1px solid var(--line);border-radius:6px}table{border-collapse:collapse;font-size:11px;width:100%;white-space:nowrap}th,td{padding:7px 9px;border-bottom:1px solid var(--line);text-align:left;max-width:190px;overflow:hidden;text-overflow:ellipsis}th{background:#eff3ea}.how{padding:65px 0 45px}.how h2{font-size:25px;letter-spacing:-1px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-top:30px}.how-grid article{border-top:1px solid #cad6c7;padding-top:20px}.how-grid span{font-size:11px;color:#6a8a59}.how-grid h3{font-size:17px;margin:13px 0 8px}.how-grid p{font-size:13px;color:var(--muted);line-height:1.9}.faq{padding:10px 0 45px;max-width:850px}.faq h2{margin-bottom:20px;font-size:22px}.faq details{padding:16px 0 0}.faq summary{font-size:14px}.faq p{font-size:13px;color:var(--muted);line-height:1.9}.ad-region{min-height:150px;border-top:1px solid var(--line);margin:20px 0 35px;padding-top:10px;text-align:center;overflow:hidden}.ad-region>p{font-size:10px;color:#999;letter-spacing:3px}footer{border-top:1px solid var(--line);padding:28px 0 35px}footer>div{display:flex;align-items:center;gap:20px;margin-bottom:18px}footer .brand{font-size:17px}footer span,footer p{font-size:11px;color:var(--muted)}footer nav{flex-wrap:wrap;font-size:12px;gap:20px}.prose{max-width:780px;margin:55px auto 80px}.prose h1{font-size:38px;margin-bottom:40px}.prose h2{margin:32px 0 10px}.prose p,.prose li{font-size:15px;line-height:1.95;color:#556969}.prose a{text-decoration:underline}[hidden]{display:none!important}@media(max-width:1000px){.workbench{grid-template-columns:380px minmax(0,1fr)}.wrap{padding:0 24px}.hero-art{padding-right:12px}.mini-paper{width:240px}.preview-column{padding:18px}.preview-toolbar{align-items:flex-start;flex-direction:column}}@media(max-width:780px){.workbench{grid-template-columns:1fr}.preview-column{position:static}.hero-art{display:none}.hero{padding:32px 0}h1{font-size:39px}.hero p:not(.eyebrow){font-size:13px}.how-grid{grid-template-columns:1fr;gap:12px}.how h2{font-size:22px}.wrap{padding:0 18px}header{height:77px}.brand{font-size:20px}header nav{font-size:11px;gap:12px}header nav a:first-child{display:none}.panel{padding:18px}.preview-toolbar{flex-direction:row;align-items:center}.preview-toolbar h2{font-size:16px}.preview-column{padding:16px}.prose h1{font-size:31px}footer>div{gap:12px}.how{padding-top:45px}.fields{gap:0 10px}}@media print{body>.wrap{display:none}}

/* Envelope printing */
.tool-callout{display:flex;align-items:center;justify-content:space-between;gap:15px;background:#e4ecd9;border:1px solid #cfddc1;border-radius:12px;padding:17px 22px;margin-bottom:24px;font-size:12px}.tool-callout b{font-size:14px;margin-right:15px}.tool-callout>span:last-child{white-space:nowrap;font-weight:700}.envelope-hero{padding:38px 0 30px}.envelope-hero h1{font-size:39px}.envelope-mark{border:1px solid #d5dfd0;background:white;padding:20px 40px;font-family:serif;font-size:55px;text-align:center;transform:rotate(-4deg);margin-right:60px}.envelope-mark span{display:block;font-family:sans-serif;font-size:10px;color:#7b8a72;letter-spacing:2px}.envelope-actions .btn{width:100%;margin:5px 0}.envelope-actions #env-feedback{font-size:12px;min-height:20px}.envelope-preview{position:sticky;top:15px}.envelope-pair{display:grid;grid-template-columns:1fr 1fr;gap:18px}.envelope-pair figure{margin:0;min-width:0}.envelope-pair figcaption{text-align:center;font-size:12px;color:#66765e;margin-bottom:12px}.envelope-sheet{background:#fff;box-shadow:0 5px 12px #233b2815}.envelope-sheet svg{display:block;width:100%;height:auto}.envelope-sheet.is-example svg text{fill:#a5ada5}#env-example{margin-right:22px}.envelope-faq{margin-top:45px}.envelope-preview .preview-toolbar{align-items:flex-start;flex-direction:column;gap:10px}.envelope-preview .preview-toolbar h2{font-size:19px}@media(max-width:780px){.tool-callout{flex-direction:column;align-items:flex-start}.tool-callout b{display:block}.envelope-hero h1{font-size:30px}.envelope-mark{display:none}.envelope-pair{gap:12px}.envelope-preview{position:static}.envelope-preview .preview-toolbar h2{font-size:17px}header nav{gap:10px;font-size:10px}header .brand{font-size:18px;white-space:nowrap}.envelope-faq{margin-top:30px}}