:root{font-family:system-ui,"Yu Gothic",sans-serif;color:#26322c;background:#f3f5f2;font-size:16px;color-scheme:light}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid #d9dfd9;display:flex;align-items:center;justify-content:space-between;padding:22px max(24px,calc((100% - 1000px)/2));gap:20px}header h1{font-size:22px;margin:0;white-space:nowrap}header>div{display:flex;align-items:center;gap:14px}main{max-width:1048px;padding:16px 24px 60px;margin:auto}h2{font-size:19px;margin:0 0 16px}p{line-height:1.7}.panel,.puzzle{background:#fff;border:1px solid #d9dfd9;border-radius:8px;padding:26px;margin-bottom:24px}.guide{display:flex;align-items:center;justify-content:space-between;gap:24px}.guide p{font-size:14px;margin:0}.guide h2{margin-bottom:8px}button,.button{font:inherit;font-size:14px;display:inline-flex;justify-content:center;align-items:center;min-height:42px;padding:10px 16px;border:1px solid #b9c4bc;border-radius:5px;background:#fff;color:#26322c;text-decoration:none;cursor:pointer;flex-shrink:0}.primary{background:#285940;border-color:#285940;color:#fff}button:hover,.button:hover{filter:brightness(.95)}button:disabled{opacity:.5;cursor:default}input,select{font:inherit;width:100%;padding:10px 12px;min-height:44px;border:1px solid #b9c4bc;border-radius:4px;color:inherit;background:#fff}label{display:block;margin:0 0 18px;font-size:14px;font-weight:600}label input{margin-top:7px;font-weight:400}small,.hint{font-size:13px;font-weight:400;color:#637267;line-height:1.6}small{display:block;margin-top:5px}.hint{margin-left:12px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:24px}.section-head,.puzzle-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.section-head h2,.puzzle-head h3{margin:0}.puzzle-head h3{font-size:19px}.badge{font-size:12px;padding:5px 9px;background:#edf1ed;border-radius:3px}.badge.live{color:#24583b;background:#e5f3e9}.counts{display:flex;gap:24px;font-size:14px;color:#5c6f62;margin:14px 0}.counts strong{font-size:22px;color:#26322c;margin-left:6px}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.warnings{font-size:14px;color:#80581d;background:#fff8e9;padding:14px 18px;line-height:1.7;margin:15px 0 0}.version-note{font-size:14px;white-space:pre-wrap;color:#637267}.empty{padding:36px 0;color:#637267}.login{max-width:450px;margin:40px auto}.login button{width:100%}#notice{min-height:24px;white-space:pre-wrap}#notice.error{color:#a03525}#environment{font-size:13px;color:#637267}[hidden]{display:none!important}dialog{border:1px solid #bdc7bd;border-radius:8px;padding:28px;background:#fff;color:#26322c;max-width:calc(100% - 32px);max-height:90svh}dialog::backdrop{background:#17271f99}#preview{width:1100px}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{margin:0}#preview p{font-size:13px;color:#637267}.preview-sizes{display:flex;gap:10px;margin-bottom:16px}iframe{display:block;width:100%;max-width:100%;height:65svh;border:1px solid #ddd;background:#fff;margin:auto}#confirm-action{width:450px}summary{cursor:pointer;font-weight:600}details p{font-size:14px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #66a47b;outline-offset:3px}@media(max-width:680px){header{padding:18px 20px;align-items:flex-start}header>div{flex-direction:column;align-items:flex-end}main{padding:12px 16px 40px}.guide{align-items:flex-start;flex-direction:column}.fields{grid-template-columns:1fr;gap:0}.panel,.puzzle{padding:20px}.hint{display:block;margin:10px 0}.counts{gap:18px}.actions button,.actions a{flex:1}dialog{padding:20px}}
@media(max-width:680px){.actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.actions button,.actions a{width:100%;min-width:0;padding:10px 8px;line-height:1.5}.actions button:last-child:nth-child(odd){grid-column:1/-1}#notice{overflow-wrap:anywhere}}
textarea{font:inherit;width:100%;padding:12px;border:1px solid #b9c4bc;border-radius:4px;resize:vertical;line-height:1.6}#editor{width:950px}#editor-status{color:#80581d;white-space:pre-wrap}.edit-tabs{display:flex;gap:12px;margin-bottom:20px}.edit-tabs [aria-pressed=true]{background:#285940;color:white}#edit-source{min-height:45vh;font-family:Consolas,monospace;font-size:14px;white-space:pre;tab-size:2}#edit-text-fields h3{font-size:14px;color:#637267}#edit-text-fields label{margin-bottom:16px}#edit-text-fields textarea{display:block;margin-top:6px}.section-head>.actions{margin-top:0}
#editor .dialog-head{position:sticky;top:-28px;background:white;padding:12px 0;z-index:2}#editor>.actions{position:sticky;bottom:-28px;background:white;padding:12px 0;border-top:1px solid #d9dfd9}#edit-text-fields textarea{min-height:48px}@media(max-width:680px){#editor .dialog-head{top:-20px}#editor>.actions{bottom:-20px}}
#announcement{width:650px}#announcement textarea{margin-top:8px}