:root{--bg:#f7f5ef;--surface:#ffffff;--surface-muted:#f1f6f4;--ink:#17211d;--muted:#66736e;--line:#d7ded9;--accent:#0f766e;--accent-dark:#105e58;--warn:#9a5414;--ok:#2f6f44;--shadow:0 20px 60px rgba(32,47,40,0.12)}*{box-sizing:border-box}html{color:var(--ink);background:var(--bg)}body{margin:0;font-family:Arial,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;letter-spacing:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.shell{min-height:100vh}.topbar{align-items:center;background:rgba(247,245,239,.92);border-bottom:1px solid var(--line);display:flex;gap:16px;justify-content:space-between;padding:18px clamp(18px,4vw,48px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.brand{display:grid;grid-gap:2px;gap:2px}.brand strong{font-size:18px}.brand span{color:var(--muted);font-size:13px}.container{margin:0 auto;max-width:1180px;padding:32px clamp(18px,4vw,48px) 56px}.narrow{max-width:560px}.hero{display:grid;grid-gap:14px;gap:14px;margin-bottom:28px}.hero h1{font-size:clamp(30px,5vw,56px);line-height:1.08;margin:0}.hero p{color:var(--muted);font-size:16px;line-height:1.8;margin:0;max-width:760px}.section{border-top:1px solid var(--line);display:grid;grid-gap:18px;gap:18px;padding:26px 0}.section-title{align-items:flex-end;display:flex;gap:12px;justify-content:space-between}.section-title h2,.section-title h3{font-size:20px;margin:0}.section-title p{color:var(--muted);margin:6px 0 0}.grid{display:grid;grid-gap:14px;gap:14px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.field{display:grid;grid-gap:7px;gap:7px}.field span,.label{color:#3e4b46;font-size:13px;font-weight:700}.input,.select,.textarea{background:var(--surface);border:1px solid var(--line);border-radius:8px;color:var(--ink);min-height:44px;padding:10px 12px;width:100%}.textarea{min-height:110px;resize:vertical}.mini-row{align-items:end;display:grid;grid-gap:10px;gap:10px;grid-template-columns:1fr 1fr}.song-grid{background:rgba(255,255,255,.66);border:1px solid var(--line);border-radius:8px;display:grid;grid-gap:12px;gap:12px;padding:14px}.song-head{align-items:center;display:flex;justify-content:space-between}.song-head strong{font-size:15px}.check{align-items:center;display:flex;gap:9px;min-height:44px}.check input{height:18px;width:18px}.actions{display:flex;flex-wrap:wrap;gap:12px;padding-top:18px}.actions,.button{align-items:center}.button{background:var(--accent);border:1px solid var(--accent);border-radius:8px;color:white;display:inline-flex;font-weight:700;gap:8px;min-height:44px;padding:10px 16px}.button.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.button:hover{background:var(--accent-dark)}.button.secondary:hover{background:var(--surface-muted)}.button.danger{background:#9f2f24;border-color:#9f2f24}.button.danger:hover{background:#81251d}.button:disabled{cursor:not-allowed;opacity:.45}.panel{background:var(--surface);box-shadow:var(--shadow);padding:20px}.panel,.table-wrap{border:1px solid var(--line);border-radius:8px}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;min-width:780px;width:100%}.compact-table{min-width:420px}.table td,.table th{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.table th{background:var(--surface-muted);color:#33413c;font-size:13px}.table tr:last-child td{border-bottom:0}.badge{background:#e8f3ef;border:1px solid #b9d8cf;border-radius:999px;color:#155e56;display:inline-flex;font-size:12px;font-weight:700;padding:5px 9px;white-space:nowrap}.badge.warn{background:#fff2df;border-color:#e7c18c;color:var(--warn)}.badge.done{background:#eaf5eb;border-color:#bbd8c2;color:var(--ok)}.detail-header{align-items:start;display:grid;grid-gap:16px;gap:16px;grid-template-columns:1fr auto}.meta-grid{display:grid;grid-gap:10px;gap:10px;grid-template-columns:repeat(4,minmax(0,1fr))}.meta-item{background:var(--surface-muted);border:1px solid var(--line);border-radius:8px;padding:12px}.meta-item span{color:var(--muted);display:block;font-size:12px;margin-bottom:5px}.preline{white-space:pre-line}.empty{color:var(--muted);padding:28px 0}.error{background:#fff1f0;border:1px solid #f1b9b3;border-radius:8px;color:#8a2018;padding:12px}.success{background:#eaf5eb;border:1px solid #bbd8c2;border-radius:8px;color:var(--ok);padding:12px}.share-link{background:var(--surface-muted);border:1px solid var(--line);border-radius:8px;display:grid;grid-gap:8px;gap:8px;margin:18px 0;padding:14px}.share-link span{color:var(--muted);font-size:13px;font-weight:700}.share-link a{color:var(--accent-dark);overflow-wrap:anywhere}.admin-live-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:minmax(260px,360px) 1fr}.live-event-form{align-content:start;box-shadow:none;display:grid;grid-gap:14px;gap:14px}.inline-form{align-items:center;display:flex;gap:8px}.compact-input{max-width:96px}.danger-zone{align-items:center;background:#fff5f3;border:1px solid #efc3bd;border-radius:8px;display:flex;gap:16px;justify-content:space-between;padding:18px}.danger-zone h2{font-size:18px;margin:0 0 6px}.danger-zone p{color:#7f3d36;margin:0}@media (max-width:820px){.admin-live-grid,.detail-header,.grid.three,.grid.two,.meta-grid{grid-template-columns:1fr}.danger-zone,.topbar{align-items:flex-start;flex-direction:column}}