:root{--ink:#111;--paper:#fff;--soft:#f3f3f3;--line:#dedede;--muted:#666}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--soft);color:var(--ink);font-family:"Noto Sans JP","Yu Gothic",sans-serif}
a{color:inherit}
.eyebrow{margin:0 0 7px;font:600 11px/1.2 Arial,sans-serif;letter-spacing:.18em;color:var(--muted)}
.login-body{display:grid;place-items:center;padding:24px}
.login-shell{width:min(100%,430px)}
.login-card{background:#fff;border:1px solid var(--line);padding:48px;box-shadow:0 20px 55px rgba(0,0,0,.08)}
.login-logo{display:block;width:210px;max-width:100%;margin:0 auto 35px}
.login-card h1{font-family:Georgia,"Yu Mincho",serif;font-size:34px;font-weight:400;margin:0 0 28px}
form{display:grid;gap:18px}
label{display:grid;gap:8px;font-size:13px;font-weight:700}
input{width:100%;padding:13px 14px;border:1px solid #bbb;background:#fff;font:inherit}
button{border:0;background:#111;color:#fff;padding:14px 20px;font:700 14px/1 Arial,sans-serif;letter-spacing:.08em;cursor:pointer}
.alert{padding:12px 14px;border-left:4px solid #111;background:#f3f3f3;font-size:13px}
.app{min-height:100vh;display:grid;grid-template-columns:230px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:#111;color:#fff;padding:30px 20px}
.brand{display:block;background:#fff;padding:12px;margin-bottom:35px}
.brand img{display:block;width:100%;height:auto}
.sidebar nav{display:grid;gap:7px}
.sidebar nav a,.sidebar nav span{display:block;padding:13px 15px;text-decoration:none;font-size:14px;border-left:2px solid transparent}
.sidebar nav a:hover,.sidebar nav a.active{background:#fff;color:#111;border-left-color:#fff}
.sidebar nav .disabled{color:#777;cursor:not-allowed}
.content{min-width:0;padding:35px}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:25px;margin-bottom:30px}
.topbar h1{font-family:Georgia,"Yu Mincho",serif;font-size:38px;font-weight:400;margin:0}
.account{font-size:13px;padding-top:8px}.account a{margin-left:12px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.metric-grid article,.panel,.staff-card{background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.04)}
.metric-grid article{padding:24px;display:grid;gap:5px}
.metric-grid span{font-size:13px;color:var(--muted)}
.metric-grid strong{font:400 38px/1 Georgia,serif}
.metric-grid small{font-size:11px;color:#888}
.panel{padding:26px;margin-bottom:22px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}
.section-head h2{font:400 24px/1.2 Georgia,"Yu Mincho",serif;margin:0}
.section-head>a{font-size:12px}
.table-wrap{width:100%;overflow:auto}
table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:13px}
th,td{text-align:left;padding:13px 12px;border-bottom:1px solid #e8e8e8}
th{font-size:11px;letter-spacing:.08em;color:#666;background:#fafafa}
tbody tr:hover{background:#fafafa}
.badge{display:inline-block;padding:5px 9px;border:1px solid #bbb;border-radius:99px;font-size:10px;white-space:nowrap}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.plan-grid article{border:1px solid #e2e2e2;padding:16px;display:grid;gap:7px}
.plan-grid span{font-size:12px;color:#666}.plan-grid strong{font:400 23px/1 Georgia,serif}.plan-grid small{font-size:10px;color:#777}
.staff-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.staff-card{padding:23px}
.staff-head{display:flex;align-items:center;gap:13px;margin-bottom:20px}
.avatar{width:46px;height:46px;display:grid;place-items:center;background:#111;color:#fff;border-radius:50%;font-family:serif;font-size:21px}
.staff-card h2{font:400 21px/1.2 Georgia,"Yu Mincho",serif;margin:0 0 5px}
.staff-card dl{display:grid;grid-template-columns:1fr 1fr;margin:0 0 17px;border-top:1px solid #eee;border-bottom:1px solid #eee}
.staff-card dl div{padding:12px 0}.staff-card dt{font-size:10px;color:#777}.staff-card dd{margin:4px 0 0;font-size:13px}
.staff-card p{font-size:12px;line-height:1.8;color:#444}.tools{display:block;padding:10px;background:#f5f5f5;line-height:1.6;color:#555}
@media(max-width:1050px){.metric-grid{grid-template-columns:repeat(2,1fr)}.staff-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.app{display:block}.sidebar{position:static;height:auto;padding:15px}.brand{width:170px;margin-bottom:13px}.sidebar nav{grid-template-columns:repeat(2,1fr)}.content{padding:22px 15px}.topbar{display:block}.account{margin-top:14px}.metric-grid,.plan-grid,.staff-grid{grid-template-columns:1fr}.panel{padding:18px}.login-card{padding:32px 24px}}