.trouble {
  margin-top: 20px;
  font-size: var(--text-base);
  color: var(--color-txt);
  max-width: 1000px;
  width: 100%;
  margin-inline: auto;
}
.trouble p {
  line-height: var(--text-line-height);
}
.trouble h2 {
  clear: both;
  font-weight: bold;
  font-size: 1.4rem;
  border-bottom: 1px solid #ac0a0a;
  padding-bottom: 7px;
  margin-bottom: 20px;
  margin-top: 25px;
}
.trouble__pulldown__item {
  border-top: 1px solid #ccc;
  border-left: 1px solid #ccc;
  border-right: 1px solid #ccc;
  background: #fff;
}
.trouble__pulldown__item__head {
  padding: 12px 40px 12px 16px;
  font-weight: bold;
  position: relative;
  cursor: pointer;
  border-bottom: 1px solid #ccc;
  transition: all 0.2s;
}
.trouble__pulldown__item__head::before {
  content: "";
  position: absolute;
  right: 16px;
  top: 45%;
  display: block;
  width: 8px;
  height: 8px;
  transform: translateY(-50%) rotate(45deg);
  border-right: 2px solid #333;
  border-bottom: 2px solid #333;
  transition: all 0.3s;
}
.trouble__pulldown__item__head.is-open {
  color: var(--color-primary);
  background-color: #f8dfdf;
}
.trouble__pulldown__item__head.is-open::before {
  transform: translateY(0) rotate(225deg);
}
.trouble__pulldown__item__head.is-open + .trouble__pulldown__item__detail {
  border-bottom: 1px solid #ccc;
  background-color: #f8eeee;
}
.trouble__pulldown__item__detail {
  display: none;
  padding: 2px 22px 20px;
}
.trouble__pulldown__item__detail ul li {
  position: relative;
  padding-left: 12px;
  margin-top: 16px;
}
.trouble__pulldown__item__detail ul li::after {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  display: block;
  border-radius: 6px;
  background: #333;
}
.trouble__pulldown__item:hover .trouble__pulldown__item__head {
  color: var(--color-primary);
  background-color: #f8dfdf;
}
.trouble__pulldown + h2 {
  margin-top: 48px;
}
.trouble__list {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid #ccc;
  background: #fff;
  font-size: 14px;
}
.trouble__list dt {
  width: 320px;
  padding: 16px;
  box-sizing: border-box;
  border-top: 1px solid #ccc;
  background: #f1e4d3;
  font-weight: bold;
}
.trouble__list dd {
  width: calc(100% - 320px);
  padding: 16px;
  box-sizing: border-box;
  border-top: 1px solid #ccc;
}
.trouble__frame {
  background: #fff;
  border: 1px solid #ccc;
  margin-top: 48px;
  padding: 16px 24px 24px;
}
.trouble__frame__title {
  font-size: 16px;
  text-align: center;
  padding-bottom: 12px;
  border-bottom: 1px solid #ccc;
  font-weight: bold;
}
.trouble__frame p {
  padding-top: 16px;
}
.trouble__frame__address {
  background: #f6f6f6;
  text-align: center;
  padding: 16px;
  margin-top: 16px;
  max-width: 420px;
  margin-inline: auto;
  border: 1px solid #e5e5e5;
}
.trouble__frame__address p {
  padding: 0 0 8px;
  font-size: 14px;
  line-height: 1.6;
}
.trouble__frame__address strong {
  color: #333;
  font-size: 20px;
  font-weight: bold;
}
.trouble .mr {
  margin-top: 16px;
}
.trouble .mr_half {
  margin-top: 8px;
}

@media only screen and (max-width: 767px) {
  .trouble h2 {
    font-size: 1.125rem;
  }
  .trouble__pulldown__item__head {
    padding-left: 12px;
  }
  .trouble__pulldown__item__detail {
    padding: 2px 16px 16px;
  }
  .trouble__pulldown__item__detail ul li {
    margin-top: 12px;
  }
  .trouble__pulldown + h2 {
    margin-top: 36px;
  }
  .trouble__list {
    display: block;
    flex-wrap: wrap;
  }
  .trouble__list dt {
    width: 100%;
    padding: 14px;
  }
  .trouble__list dd {
    width: 100%;
    padding: 14px;
  }
  .trouble__frame {
    margin-top: 24px;
    padding: 12px;
  }
  .trouble__frame__title {
    font-size: 14px;
    padding-bottom: 8px;
  }
  .trouble__frame p {
    padding-top: 12px;
  }
  .trouble__frame__address {
    padding: 4px 10px 16px;
    margin-top: 8px;
  }
  .trouble__frame__address p {
    font-size: 14px;
  }
  .trouble__frame__address strong {
    font-size: 16px;
  }
}