:root{color-scheme:light;--ink:#233c35;--muted:#62756e;--green:#275e4e;--line:#dce5df;--cream:#f6f7f2;--pink:#e7b5c6;font-family:"Yu Gothic", "Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:var(--cream)}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 90% 0%,#e4eee7 0%,transparent 45%)}.site-header{max-width:1200px;margin:auto;padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{text-decoration:none;color:var(--ink);font-family:Georgia,serif;font-weight:bold;letter-spacing:.13em;font-size:22px}.brand span{display:block;margin-top:5px;font-family:Meiryo,sans-serif;font-size:11px;letter-spacing:.1em;font-weight:normal}.badge{border:1px solid var(--line);padding:8px 13px;border-radius:30px;font-size:12px;white-space:nowrap}main{max-width:1120px;margin:40px auto 0;padding:0 24px;min-height:65vh}.card{max-width:590px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:22px;padding:44px;box-shadow:0 18px 60px #243e3510}.eyebrow{font-size:11px;letter-spacing:.18em;color:var(--green);margin:0 0 18px;font-weight:bold}h1{font-size:32px;line-height:1.6;letter-spacing:.03em;margin:0 0 18px}.intro,p,li{font-size:14px;line-height:1.9}.intro{color:var(--muted);margin-bottom:28px}label{display:block;font-size:13px;font-weight:bold;margin-bottom:9px}input{width:100%;height:52px;border:1px solid #b9c9c0;border-radius:9px;background:#fcfdfb;padding:12px 14px;font-size:16px;color:var(--ink)}input:focus{outline:3px solid #b9dacb;outline-offset:2px}button{font:inherit;font-size:14px;font-weight:bold;background:var(--green);border:1px solid var(--green);color:white;padding:14px 18px;border-radius:9px;cursor:pointer;min-height:46px}button:focus-visible,summary:focus-visible{outline:3px solid #e2a1bb;outline-offset:3px}button:hover:not(:disabled){background:#194b3c}button:disabled{opacity:.55;cursor:wait}#send-button{width:100%;margin-top:16px}.secondary{background:white;color:var(--green);border-color:var(--line);padding:9px 13px}.secondary:hover:not(:disabled){background:#ecf3ed}.status{font-size:13px;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--muted);min-height:24px}.status.error{color:#a4384d;background:#fff4f5;padding:12px;border-radius:8px}.status.success{color:#27614b}details{border-top:1px solid var(--line);margin-top:24px;padding-top:20px;color:var(--muted)}summary{font-size:13px;cursor:pointer}details p,details li{font-size:12px}ol{padding-left:22px}.member-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.member-head h1{margin-bottom:0}.member-head .eyebrow{margin-bottom:8px}#member-panel{max-width:850px}.account{color:var(--muted);overflow-wrap:anywhere;font-size:12px;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:28px}.material{display:flex;gap:18px;align-items:center;flex-wrap:wrap;border:1px solid var(--line);border-radius:14px;padding:24px}.material-icon{height:52px;width:52px;display:grid;place-items:center;background:#edf3ed;border-radius:12px;font-family:Georgia,serif;font-size:22px;color:var(--green)}.material>div:nth-child(2){flex:1;min-width:190px}.material-label{font-size:11px;color:var(--muted);margin:0}h2{font-size:18px;line-height:1.6;margin:4px 0 6px}.material p:last-child{font-size:12px;color:var(--muted);margin:0}.note{font-size:12px;color:var(--muted);margin-top:22px}.drill-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.drill-toolbar span{font-size:13px}#drill-frame{width:100%;height:calc(100dvh - 210px);min-height:540px;border:1px solid var(--line);border-radius:14px;background:white}footer{text-align:center;padding:35px 20px;font-size:11px;letter-spacing:.08em;color:var(--muted)}@media(max-width:600px){.site-header{padding:22px 20px}.brand{font-size:18px}main{margin-top:20px;padding:0 16px}.card{padding:28px 23px;border-radius:16px}h1{font-size:27px}.member-head{align-items:flex-start}.material{padding:18px;gap:12px}.material>button{width:100%}.drill-toolbar{flex-wrap:wrap}.drill-toolbar span{display:none}#drill-frame{height:calc(100dvh - 180px);min-height:400px}footer{padding:24px 15px}}