:root {
  --green: #3a8a1f;
  --text: #333;
  --muted: #666;
  --line: #e5e5e4;
  --bg: #ffffff;
  --foot: #323232;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'PT Sans', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 16px;
  line-height: 1.6;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 900px;
  margin: 0 auto;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
}
.top .logo img { height: 64px; width: auto; }
.top .back { text-decoration: none; font-weight: bold; }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  text-align: center;
}
h1 { margin: 8px 0 4px; font-size: 30px; color: #000; }
.lead { margin: 0 0 24px; color: var(--muted); }
.photo, .desc, .howto { margin: 0 auto 24px; }
.photo { max-width: 640px; }
.desc { max-width: 850px; }
.howto { max-width: 769px; }
h2 { margin: 40px 0 16px; font-size: 24px; color: #000; }
.posters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.posters figure { margin: 0; }
.posters figcaption { margin-top: 6px; color: var(--muted); font-size: 14px; }
.maps { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin: 0 0 16px; }
.maps a {
  padding: 8px 16px;
  border: 1px solid var(--green);
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.info {
  margin: 0 auto 24px;
  border-collapse: collapse;
  text-align: left;
  max-width: 640px;
  width: 100%;
}
.info th, .info td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.info th { width: 7em; color: var(--green); white-space: nowrap; }
.note { color: var(--muted); font-size: 14px; }
.ask { font-size: 18px; font-weight: bold; margin: 32px 0 8px; }
.more a { text-decoration: none; }

footer {
  background: var(--foot);
  color: #fff;
  text-align: center;
  padding: 16px;
  font-size: 14px;
}
footer p { margin: 0; }