html,
body {
  margin: 0;
  padding: 0;
  font-family: "Yu Gothic", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, "メイリオ", Meiryo, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #fff;
  color: #000;
}

.theater-header {
  width: 100vw;
  background: #000;
  padding: clamp(10px, 10vw, 20px) 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 130px;
  overflow: hidden;
}

.theater-header-logo {
  display: block;
  width: 65vw;
  max-width: 300px;
  min-width: 220px;
  height: auto;
  margin: 0 auto;
  object-fit: contain;
}

.theater-main {
  max-width: 800px;
  width: 90%;
  margin: 0 auto;
}

h2.ttl {
  padding: 0 0 clamp(40px, 10vw, 40px);
  font-weight: 400;
  text-align: center;
  color: #000;
}

.theater-table {
  width: 100%;
  border-collapse: collapse;
}

.theater-table th,
.theater-table td {
  padding: 10px 13px;
  font-size: clamp(.9rem, 3.6vw, 1rem);
  text-align: center;
  width: calc(100%/3);
}

.theater-table th {
  font-weight: 600;
  font-size: clamp(.96rem, 4.2vw, 1.12rem);
}

.area-head td {
  background: #000;
  color: #fff;
  font-weight: 600;
  font-size: clamp(.96rem, 4.2vw, 1.12rem);
  text-align: center;
  padding: 3px 0;
}

.theater-table a {
  color: #000;
  text-decoration: underline;
  transition: 0.6s;
}

.theater-table a:hover {
  opacity: .6;
}

.theater-back-wrap {
  text-align: center;
  padding: clamp(40px, 10vw, 80px) 0;
}

.theater-back-btn {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  color: #000;
  border: 1px solid #000;
  font-size: clamp(.96rem, 4.2vw, 1.12rem);
  font-weight: 600;
  padding: 1.1em 2.0em;
  text-decoration: none;
  margin-top: 8px;
  cursor: pointer;
  transition: 0.6s;
}

.theater-back-btn:hover {
  opacity: .9;
}