/* === Bootstrap 5 → 4 兼容 === */
@media (min-width: 576px) {
  .container, .container-sm {
    max-width: 540px;
  }
}
@media (min-width: 768px) {
  .container, .container-sm, .container-md {
    max-width: 720px;
  }
}
@media (min-width: 992px) {
  .container, .container-sm, .container-md, .container-lg {
    max-width: 960px;
  }
}
@media (min-width: 1200px) {
  .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
    max-width: 1140px;
  }
}
@media (min-width: 1400px) {
  .container, .container-sm, .container-md, .container-lg, .container-xl, .container-xxl {
    max-width: 1140px !important;
  }
}

@media (max-width: 991.98px) {
    .navbar-expand-lg>.container, .navbar-expand-lg>.container-fluid, .navbar-expand-lg>.container-lg, .navbar-expand-lg>.container-md, .navbar-expand-lg>.container-sm, .navbar-expand-lg>.container-xl {
        padding-right: 0;
        padding-left: 0;
    }
}

.form-group {
  margin-bottom: 1rem;
}

.input-group > .form-control:not(:last-child),
.input-group > .form-select:not(:last-child) {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}
.input-group > .form-control:not(:first-child),
.input-group > .form-select:not(:first-child) {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

a {
  text-decoration: none;
}

.col-4 {
  flex: 0 0 33.333%;
}
.col-6 {
  flex: 0 0 50%;
}

button.close {
  float: right;
  font-weight: 700;
  line-height: 1;
  text-shadow: 0 1px 0 #fff;
  opacity: .5;
  padding: 0;
  background-color: transparent;
  border: 0;
}

.modal-header .close {
  padding: 1rem 1rem;
  margin: -1rem -1rem -1rem auto;
}

.row > .mainInfo {
  flex-shrink: unset;
}

.col-12 {
  padding-left: 12px;
  padding-right: 12px;
}