:root{font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans",sans-serif;color:#243a38;background:#f4f6f2;line-height:1.8}*{box-sizing:border-box}body{margin:0}header{display:flex;justify-content:space-between;gap:20px;padding:24px 7%;border-bottom:1px solid #dce3dd}header a{font-weight:700;color:#174e43;text-decoration:none}header span{font-size:13px}main{max-width:760px;margin:52px auto;padding:0 24px}h1{font-size:40px;line-height:1.4;letter-spacing:.03em}h2{font-size:20px}.eyebrow{font-size:13px;color:#617772;letter-spacing:.12em}section,form{background:white;border:1px solid #dce3dd;border-radius:14px;padding:24px;margin:24px 0}.notice{border-left:4px solid #9a792d;background:#faf3e2;padding:16px}.hint{font-size:13px;color:#60736f}label{display:block;font-weight:600;margin:12px 0 6px}textarea,input:not([type=checkbox]){width:100%;font:inherit;padding:12px;border:1px solid #91a59d;border-radius:7px}textarea{resize:vertical}button{background:#215e50;color:white;border:0;border-radius:8px;padding:13px 20px;font:inherit;cursor:pointer;margin-top:14px}button:disabled{background:#d5ddd8;color:#53645c;cursor:default}.secondary{background:#edf2ee;color:#245043;margin-right:8px}.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;font-weight:400}.check input{margin-top:7px}summary{cursor:pointer;color:#215e50}blockquote{border-left:3px solid #cbd9d0;padding-left:16px;margin-left:0;font-size:14px}#reply,#history-list p{white-space:pre-wrap;overflow-wrap:anywhere}#receipt{font-size:13px;overflow-wrap:anywhere}article{border-top:1px solid #dce3dd;padding-top:12px}footer{text-align:center;font-size:12px;color:#60736f;padding:32px}a,button,input,textarea,summary{outline-offset:4px}@media(max-width:540px){header{display:block}header span{display:block}main{margin:32px auto}h1{font-size:30px}section,form{padding:18px}}