:root{--ink:#24302e;--muted:#68736f;--paper:#f6f8f5;--white:#fff;--line:#d9e0dc;--deep:#154f46;--sea:#287d75;--gold:#d89b37;--danger:#9d3434}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;font-size:16px;line-height:1.7}a{color:var(--deep)}.site-header{background:var(--deep);color:#fff;padding:16px max(18px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{color:#fff;text-decoration:none;display:flex;align-items:baseline;gap:12px}.brand span{font-family:serif;font-weight:700;font-size:1.75rem;letter-spacing:.12em}.brand small{opacity:.8}.site-header nav{display:flex;flex-wrap:wrap;gap:6px 16px}.site-header nav a{color:#fff;text-decoration:none;padding:7px 2px;border-bottom:2px solid transparent}.site-header nav a:hover{border-color:var(--gold)}.container{width:min(1120px,calc(100% - 32px));margin:28px auto 60px}.intro{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:20px}.intro h1{font-family:serif;font-size:clamp(1.65rem,4vw,2.5rem);margin:0}.intro p{margin:4px 0;color:var(--muted)}.region-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.region-grid a,.filter a{background:#fff;border:1px solid var(--line);border-radius:8px;text-decoration:none;text-align:center;padding:13px;font-weight:700}.region-grid a.active,.filter a.active{background:var(--sea);color:#fff;border-color:var(--sea)}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.toolbar input,.toolbar select{min-height:46px;border:1px solid #aab7b2;border-radius:7px;background:#fff;padding:9px 12px;font:inherit}.toolbar input{flex:1;min-width:220px}.button,button{display:inline-block;border:0;border-radius:7px;background:var(--deep);color:#fff;padding:11px 18px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}.button.secondary{background:#fff;color:var(--deep);border:1px solid var(--deep)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;box-shadow:0 2px 8px rgba(20,60,50,.04)}.card h2{font-size:1.15rem;line-height:1.45;margin:5px 0}.card h2 a{text-decoration:none}.card h2 a:hover{text-decoration:underline}.meta,.keywords{font-size:.86rem;color:var(--muted);margin:5px 0}.description{margin:9px 0}.tag{display:inline-block;background:#e6f0ed;color:var(--deep);border-radius:20px;padding:2px 9px;margin-right:5px;font-size:.82rem}.event-date{font-weight:800;color:var(--danger)}.empty{background:#fff;border:1px dashed #aab7b2;border-radius:10px;padding:35px;text-align:center;color:var(--muted)}.form-card{max-width:760px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin:auto}.form-card label{display:block;font-weight:700;margin:15px 0 5px}.form-card input,.form-card select,.form-card textarea{width:100%;border:1px solid #aab7b2;border-radius:7px;padding:10px;font:inherit}.form-card textarea{min-height:130px}.required{color:var(--danger)}.note{font-size:.9rem;color:var(--muted)}.flash{background:#e4f3e9;border:1px solid #9bc9a8;padding:12px 16px;border-radius:8px;margin-bottom:18px}footer{border-top:1px solid var(--line);text-align:center;color:var(--muted);padding:24px;font-size:.88rem}.admin-table{width:100%;border-collapse:collapse;background:#fff}.admin-table th,.admin-table td{border:1px solid var(--line);padding:9px;text-align:left;vertical-align:top}.admin-table th{background:#eaf0ed}.actions{display:flex;gap:6px;flex-wrap:wrap}.danger{background:var(--danger)}@media(max-width:760px){.site-header{align-items:flex-start;flex-direction:column}.brand{display:block}.brand small{display:block}.region-grid{grid-template-columns:repeat(2,1fr)}.cards{grid-template-columns:1fr}.intro{display:block}.admin-scroll{overflow-x:auto}.container{width:min(100% - 22px,1120px)}}