:root {
  --bs-primary: #347a80;
  --bs-primary-rgb: 52, 122, 128;
  --bs-primary-dark: #285c61;
  --bs-primary-dark-rgb: 40, 92, 97;
  --bs-primary-bg-subtle: #1f464a;
  --bs-primary-light: #b0d5d7;
  --bs-primary-light-rgb: 176, 213, 215;
  --bs-light: #d9eaeb;
  --bs-light-rgb: 217, 234, 235;

  --bs-secondary: #f6cf88;
  --bs-secondary-rgb: 246, 207, 136;
  --bs-secondary-bg-subtle: #fbedd3;
  --bs-info: #4fa3b0;
  --bs-info-rgb: 79, 163, 176;

  --bs-success: #3aa76d;
  --bs-warning: #f2b705;
  --bs-danger: #d94f4f;

  --bs-body-bg: #f5f7f7;
  --bs-border-color: #d9e1e3;
  --bs-body-color: #1f2a2e;
}

/* 通用設定 */
.w-20 {
  width: 20%;
}

body {
  color: var(--bs-body-color);
}

a {
  transition: 0.3s;
  -webkit-transition: 0.3s;
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: none;
}

video {
  width: 100%;
}

._2p3a {
  width: 900px;
}