.header_cross{
  color:white;
  
}

.top-main-navbar .container-md {
  row-gap: 0.5rem;
}

.header-tagline {
  display: block;
  flex: 1 1 260px;
  min-width: 180px;
  white-space: normal;
  overflow-wrap: anywhere;
  line-height: 1.4;
  margin-right: 0.5rem;
}

@media (min-width: 992px) {
  .top-main-navbar .container-md {
    column-gap: 0.75rem;
  }

  .header-tagline {
    flex: 1 1 420px;
    min-width: 420px;
    white-space: nowrap;
    overflow-wrap: normal;
    margin-right: 1rem;
  }
}

@media (max-width: 991.98px) {
  .top-main-navbar .navbar-brand {
    margin-left: 0 !important;
  }

  .top-main-navbar .navbar-brand img {
    width: 85%;
    max-width: 190px;
    height: auto;
  }

  .header-tagline {
    font-size: 12px;
    min-width: 0;
  }

  /* スマホ：内側ラッパーを常にflexにする（Bootstrap collapse の display に触れない） */
  .navbar-mobile-row {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 0.3rem;
    padding: 0.5rem 0;
    width: 100%;
  }

  .navbar-mobile-row .btn {
    flex: 1 1 0;
    min-width: 0;
    margin: 0 !important;
    font-size: 11px;
    padding: 0.4rem 0.1rem;
    text-align: center;
    white-space: normal !important;
    word-break: break-word;
    line-height: 1.3;
  }

  /* よくあるご質問だけ文字を小さく */
  .navbar-mobile-row .header-nav-faq {
    font-size: 9.5px !important;
  }
}