:root{--navy:#12365a;--blue:#1f6fb2;--pale:#eef5fb;--line:#dbe3ea;--text:#17222d;--muted:#667481;--danger:#a52828;--ok:#246b45}*{box-sizing:border-box}body{margin:0;background:#f5f7f9;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}.topbar{height:64px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 32px}.topbar a,.topbar span,.link-button{color:#fff}.brand{font-size:20px;font-weight:700;text-decoration:none}.topbar nav{display:flex;align-items:center;gap:20px}.container{max-width:1440px;margin:0 auto;padding:28px}h1{margin:0 0 18px;font-size:28px}h2{font-size:19px;margin:0 0 16px}.muted{color:var(--muted)}.heading-row{display:flex;justify-content:space-between;align-items:center}.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:24px}.stat,.panel,.login-card{background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 2px 8px #1020300b}.stat{padding:20px}.stat span{display:block;color:var(--muted);font-size:14px}.stat strong{display:block;margin-top:6px;font-size:27px}.panel{padding:22px;margin-bottom:20px}.narrow{max-width:560px}.login-card{max-width:420px;margin:12vh auto;padding:34px}.filters{display:grid;grid-template-columns:2fr repeat(4,1fr) auto;gap:12px;align-items:end;background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px}label{display:block;font-size:13px;font-weight:600;color:#3f4e5b}input,select,textarea{display:block;width:100%;margin-top:6px;border:1px solid #bfcbd5;border-radius:6px;padding:10px;background:#fff;color:var(--text);font:inherit}textarea{resize:vertical}.primary,.button,button{border:0;border-radius:6px;padding:10px 16px;font-weight:650;cursor:pointer;text-decoration:none;display:inline-block}.primary{background:var(--blue);color:#fff}.button{background:#e7edf2;color:var(--text)}.full{width:100%;margin-top:8px}.inline{display:inline}.link-button{background:none;padding:0;font-weight:400}.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:10px}table{border-collapse:collapse;width:100%;background:#fff}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:none;color:#536371;background:#f2f6f9;white-space:nowrap}td small{display:block;color:var(--muted);margin-top:4px}.badge{display:inline-block;padding:3px 8px;background:#e7edf2;border-radius:999px;font-size:12px}.badge.yes{background:#e3f3e9;color:var(--ok)}.pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin:24px}.flash{padding:12px 16px;border-radius:7px;margin-bottom:18px;background:#e6f2ea;color:var(--ok)}.flash.error{background:#fae9e9;color:var(--danger)}.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.channel-grid .panel{margin:0}.channel-grid label{margin-bottom:12px}.details dl{display:grid;grid-template-columns:130px 1fr;gap:10px}.details dt{font-weight:650;color:#526270}.details dd{margin:0;overflow-wrap:anywhere}@media(max-width:900px){.stats{grid-template-columns:repeat(2,1fr)}.filters{grid-template-columns:1fr 1fr}.channel-grid{grid-template-columns:1fr}.topbar{padding:0 16px}.topbar nav{gap:10px;font-size:13px}.container{padding:18px}}@media(max-width:560px){.stats,.filters{grid-template-columns:1fr}.topbar nav a{display:none}.details dl{grid-template-columns:1fr}.details dd{margin-bottom:8px}}