body {
  margin: 0;
  background: #dcdcdc;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: #222;
}

a { color: #064f8f; text-decoration: none; }
a:hover { text-decoration: underline; }

.ad-top, .ad-bottom {
  width: 760px;
  margin: 15px auto;
  border: 1px solid #aaa;
  background: #f5f5f5;
  text-align: center;
  padding: 6px;
}

.ad-top img, .ad-bottom img {
  width: 100%;
  max-height: 90px;
  object-fit: cover;
  display: block;
  border: 0;
}

.page-wrap {
  width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 150px 760px 150px;
  gap: 10px;
  align-items: start;
}

.ad-side {
  border: 1px solid #aaa;
  background: #f5f5f5;
  padding: 5px;
  text-align: center;
  min-height: 420px;
}

.ad-side img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  border: 0;
}

.ad-title {
  display: block;
  font-size: 11px;
  color: #777;
  margin-bottom: 5px;
}

.site {
  background: #fff;
  border: 1px solid #aaa;
}

.header {
  background: linear-gradient(#f5f5f5, #d4d4d4);
  border-bottom: 1px solid #aaa;
  padding: 16px 18px;
}

.logo-area {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 115px;
  background: transparent;
  border: none;
  padding: 8px;
}

.site-logo {
  max-width: 500px;
  max-height: 105px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}

.header-note {
  margin: 8px 0 0;
  color: #555;
  text-align: center;
  font-size: 13px;
}

.seo-h1 {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.menu {
  background: #333;
  border-bottom: 1px solid #111;
  padding: 9px 15px;
  text-align: center;
}

.menu a {
  color: #fff;
  margin: 0 10px;
  font-weight: bold;
  font-size: 12px;
}

.content { padding: 22px; }

.box {
  border: 1px solid #b7b7b7;
  background: #f7f7f7;
  padding: 18px;
  margin-bottom: 18px;
}

.box h2 {
  margin: 0 0 10px;
  font-size: 20px;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: normal;
}

.box p {
  margin: 0 0 15px;
  line-height: 1.6;
  color: #555;
}

label { display: block; font-weight: bold; margin-bottom: 6px; }

input[type="file"], input[type="text"], input[type="password"], input[type="url"], textarea, select {
  width: 100%;
  padding: 8px;
  border: 1px solid #999;
  background: #fff;
  margin-bottom: 12px;
  box-sizing: border-box;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
}

textarea { min-height: 85px; resize: vertical; }

button, .btn {
  background: linear-gradient(#555, #222);
  color: #fff;
  border: 1px solid #111;
  padding: 9px 18px;
  font-weight: bold;
  cursor: pointer;
  display: inline-block;
}

button:hover, .btn:hover {
  background: linear-gradient(#333, #111);
  color: #fff;
  text-decoration: none;
}

.result {
  background: #fff;
  border: 1px solid #bbb;
  padding: 12px;
  margin-top: 15px;
}

.info {
  border: 1px solid #ccc;
  background: #fff;
  padding: 12px;
  color: #555;
  line-height: 1.6;
}

.footer {
  background: #eee;
  border-top: 1px solid #aaa;
  padding: 12px 18px;
  font-size: 12px;
  color: #666;
  text-align: center;
}

.admin-wrap { width: 980px; margin: 20px auto; background: #fff; border: 1px solid #aaa; }
.admin-header { background: #333; color: #fff; padding: 15px; display:flex; justify-content:space-between; align-items:center; }
.admin-header a { color:#fff; margin-left:12px; }
.admin-content { padding: 20px; }
.admin-grid { display:grid; grid-template-columns: 220px 1fr; gap:20px; }
.admin-menu { border:1px solid #bbb; background:#f5f5f5; }
.admin-menu a { display:block; padding:10px; border-bottom:1px solid #ccc; color:#222; font-weight:bold; }
.admin-menu a:hover { background:#e6e6e6; text-decoration:none; }
.table { width:100%; border-collapse:collapse; background:#fff; }
.table th, .table td { border:1px solid #bbb; padding:8px; text-align:left; }
.table th { background:#e6e6e6; }
.alert { padding:10px; border:1px solid #c9b66b; background:#fff8d0; margin-bottom:15px; }
.error { padding:10px; border:1px solid #b66; background:#ffecec; margin-bottom:15px; }

@media (max-width:1120px) {
  .page-wrap, .admin-wrap { width:94%; display:block; }
  .ad-top, .ad-bottom { width:94%; }
  .ad-side { display:none; }
  .site-logo { max-width:90%; }
  .admin-grid { display:block; }
  .admin-menu { margin-bottom:15px; }
}