@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho+B1:wght@400;600&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap');
:root{--cream:#fbf6ee;--ink:#2b2620;--indigo:#2f4f8f;--gold:#d9a441;--sand:#efe6d6;--paper:#fffdf9;font-family:'Zen Kaku Gothic New',sans-serif;color:var(--ink);background:var(--cream);font-size:18px;font-synthesis:none}*{box-sizing:border-box}body{margin:0;line-height:1.8}header{padding:28px 24px 12px;text-align:center}.brand{font-family:'Shippori Mincho B1',serif;color:var(--ink);text-decoration:none;font-size:27px;font-weight:600;letter-spacing:.12em}.brand span{display:block;font-family:'Zen Kaku Gothic New',sans-serif;font-size:18px;letter-spacing:.03em;font-weight:400}main{max-width:700px;margin:24px auto 60px;padding:0 24px}h1,h2,h3{line-height:1.6;overflow-wrap:anywhere}h1{font-family:'Shippori Mincho B1',serif;font-weight:600;font-size:32px;margin:12px 0 24px}h2{font-size:24px;margin:0 0 16px}h3{font-size:20px}p{margin:12px 0 20px;overflow-wrap:anywhere}a{color:var(--indigo);text-underline-offset:5px}button,input,select,textarea{font:inherit;color:inherit}button,.button{min-height:56px;padding:13px 20px;border:1px solid var(--indigo);border-radius:8px;background:var(--indigo);color:white;cursor:pointer;font-weight:700;display:block;width:100%;text-align:center;text-decoration:none;line-height:1.6;white-space:normal}button:disabled{opacity:.45;cursor:default}.secondary{background:transparent;color:var(--indigo)}.quiet{border-color:#8b7f70;color:var(--ink);background:transparent}.danger{background:transparent;color:#8a302c;border-color:#8a302c}.stack{display:grid;gap:14px}.actions{display:grid;gap:12px;margin:24px 0}label{display:block;margin:22px 0 8px;font-weight:700}input:not([type=checkbox]),select,textarea{width:100%;min-width:0;min-height:56px;border:1px solid #8b7f70;border-radius:6px;padding:12px;background:var(--paper)}textarea{min-height:220px;resize:vertical;line-height:1.9}.check{display:flex;gap:14px;align-items:flex-start;font-weight:400;background:var(--sand);padding:16px;border-radius:6px}.check input{flex:0 0 26px;width:26px;height:26px;margin-top:5px;accent-color:var(--indigo)}.panel{border-top:2px solid var(--sand);padding:28px 0;margin-top:26px}.eyebrow{color:var(--indigo);font-weight:700;letter-spacing:.05em}.notice{border-left:4px solid var(--gold);padding:14px 18px;background:var(--sand)}.error{border-left-color:#8a302c}.linkbox{overflow-wrap:anywhere;font-size:18px}.linkbox input{font-size:18px;margin:8px 0}.muted{color:#625a50;font-size:18px}.pill{display:inline-block;border-radius:24px;padding:3px 12px;background:var(--sand);font-size:18px}.participant{padding:18px 0;border-bottom:1px solid var(--sand)}.participant p{margin:4px 0}.participant button{margin-top:14px}.progress{display:flex;gap:10px;margin:20px 0 28px}.progress span{height:6px;flex:1;background:var(--sand);border-radius:4px}.progress .done{background:var(--indigo)}.letter{background:var(--paper);border-top:5px solid var(--gold);padding:32px 28px;box-shadow:0 8px 30px #2b26200a;overflow-wrap:anywhere;font-family:'Shippori Mincho B1',serif;font-size:20px;line-height:2.1;margin:24px 0}.letter p{white-space:pre-wrap}.signature{text-align:right;margin-top:28px}.last-line{margin-top:30px}.cover{min-height:600px;display:flex;flex-direction:column;justify-content:center;text-align:center;border:1px solid var(--sand);background:var(--paper);padding:54px 30px;position:relative}.cover:before{content:'';position:absolute;left:50%;top:0;height:56px;width:7px;background:var(--indigo)}.cover h1{font-size:36px;margin:40px 0}.cover .from{margin-top:60px}.book-letter{min-height:700px;margin:36px 0}.mock{color:var(--indigo);background:var(--sand);padding:8px 14px}.count{text-align:right;margin:0;color:#625a50}.summary{padding:18px 0}.summary p{white-space:pre-wrap}.success-mark{width:62px;height:62px;border-radius:50%;background:var(--indigo);color:white;text-align:center;font-size:32px;line-height:62px}details{border-bottom:1px solid var(--sand);margin:18px 0;padding:12px 0}summary{cursor:pointer;min-height:52px;padding:10px 0}footer{text-align:center;padding:20px 24px 40px;color:#625a50}#status:not(:empty){max-width:652px;margin:20px auto;padding:16px;background:var(--sand)}:focus-visible{outline:3px solid var(--gold);outline-offset:4px}[hidden]{display:none!important}@media(max-width:420px){header{padding-top:20px}main{padding:0 20px}h1{font-size:28px}.letter{padding:25px 20px}.cover{padding:42px 20px}.cover h1{font-size:30px}}@page{size:A4 portrait;margin:18mm}@media print{html,body{background:white;color:#2b2620;font-size:18px}header,footer,.screen-only,#status{display:none!important}main{max-width:none;margin:0;padding:0}.cover{height:260mm;min-height:0;border:none;break-after:page;page-break-after:always}.book-letter{box-shadow:none;border:none;margin:0;padding:3mm 0;min-height:0;break-after:page;page-break-after:always;font-size:18px;line-height:1.5}.book-letter:last-of-type{break-after:auto;page-break-after:auto}.letter p{margin:0 0 3mm;white-space:normal;overflow-wrap:anywhere}.letter .signature{margin-top:5mm}.letter .last-line{margin-top:5mm}.mock{font-family:'Zen Kaku Gothic New',sans-serif;font-size:18px}.cover h1{font-size:32px}.letter{orphans:2;widows:2}}