:root{font-family:system-ui,'Noto Sans JP',sans-serif;color:#203c35;background:#f4f5ee;font-size:16px}*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;justify-content:space-between;padding:20px max(20px,calc((100vw - 860px)/2));background:#fff;border-bottom:1px solid #e1e5dc;gap:16px}.brand{font-size:20px;font-weight:850;letter-spacing:1px}.brand span{display:block;font-size:10px;letter-spacing:3px}main{max-width:860px;margin:auto;padding:24px 20px 60px}.sample{font-size:12px;color:#677669}.hero{padding:40px 0 30px}.hero p:first-child{font-weight:700;letter-spacing:3px}h1{font-size:clamp(32px,7vw,52px);line-height:1.4;margin:12px 0}h2{font-size:23px}h3{font-size:20px;margin-top:0}p{line-height:1.8}button{border:0;border-radius:9px;background:#153e35;color:#fff;padding:12px 18px;font:inherit;font-weight:650;cursor:pointer}button:hover{filter:brightness(1.15)}button:disabled{opacity:.6;cursor:default}.secondary{background:#e9eee6;color:#153e35}.card{background:white;border:1px solid #e0e6db;border-radius:16px;padding:24px;margin:16px 0}.member{display:flex;justify-content:space-between;align-items:center;background:#153e35;color:white}.member p{margin:0}.member strong{font-size:40px}.member small{font-size:16px}label{display:block;margin:16px 0;font-weight:650}input,textarea{display:block;width:100%;border:1px solid #b9c7bc;border-radius:8px;padding:13px;margin-top:8px;font:inherit;background:#fff;color:#203c35}nav{display:flex;gap:6px;overflow:auto;padding:8px 0}nav button{white-space:nowrap;background:transparent;color:#5a6c60;padding:12px}nav button.active{background:#dfe8da;color:#153e35}.buttons{display:flex;gap:10px;flex-wrap:wrap}.tag{font-size:12px;display:inline-block;color:#537454;background:#edf3e8;padding:5px 10px;border-radius:20px}.card h3{margin:14px 0 6px}ol{padding:0;list-style:none}li{display:flex;align-items:center;gap:18px;padding:18px;border-bottom:1px solid #dce3d7;background:white}li strong:last-child{margin-left:auto}.my-rank{background:#e0ebd9}#status{position:sticky;bottom:12px;background:#edf2e8;border-radius:8px;padding:12px}#status:empty{display:none}footer{text-align:center;font-size:12px;color:#758071;padding:24px}[hidden]{display:none!important}a{color:#153e35}button:focus-visible,a:focus-visible{outline:3px solid #bb8626;outline-offset:3px}@media(max-width:480px){header{padding:16px}.card{padding:20px}nav button{font-size:14px;padding:10px}.buttons button{width:100%}}
:root dialog{color:#203c35;border:0;border-radius:20px;padding:26px;width:min(520px,calc(100% - 32px));max-height:90dvh;overflow:auto;box-shadow:0 20px 70px #0003}dialog::backdrop{background:#102c27a6}.dialog-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px}.dialog-top button{padding:8px 12px;font-size:13px}.invite-options{display:grid;gap:12px;margin:24px 0}.invite-options button{padding:18px;text-align:left;font-size:18px}.line-button{background:#087e36}.introduce{margin-top:14px;padding:16px 24px;font-size:18px}.invite-note,#invite-help{font-size:13px;line-height:1.8}
.invite-flow{display:grid;gap:12px;margin-top:18px}.invite-flow p{margin:0;padding:14px 16px;background:#f1f5ed;border-radius:10px}.invite-flow strong{color:#153e35}
.line-guide{background:#f1f5ed;border-radius:14px;padding:18px;margin:20px 0}.line-guide h3{margin:0 0 18px}.guide-step{display:flex;gap:12px;margin:18px 0}.guide-step>b{display:grid;place-items:center;flex-shrink:0;width:28px;height:28px;border-radius:50%;background:#153e35;color:white}.guide-step>div{flex:1;min-width:0}.guide-step p{font-size:13px;margin:6px 0}.comment-example,.talk-example{background:white;border:1px solid #c4d2c3;border-radius:8px;padding:14px;margin:10px 0;color:#647364;font-size:14px}.comment-example span,.talk-example span{display:block;color:#a74725;font-weight:700;margin-top:6px}.talk-example{width:fit-content;color:#153e35}details{margin:16px 0}summary{cursor:pointer;font-size:14px;text-decoration:underline}
.office-link{display:inline-block;border-radius:9px;background:#153e35;color:white;padding:14px 18px;text-decoration:none;font-weight:650}