/*------------------------------------
タイトル用CSS
------------------------------------*/
/* トップビッグタイトル */
.big-title {
  text-align: center;
}
.big-title .main-title {
  font-size: 2.8rem;
  font-family: var(--font-sub-2);
  font-weight: 400;
  letter-spacing: 0.3rem;
}
.big-title .main-title span {
  font-family: var(--font-sub-2);
}
.big-title .main-title.color-main span {
  color: var(--color-main);
}
.big-title .main-title.color-sub span {
  color: var(--color-sub);
}
.big-title .sub-title {
  margin-top: 20px;
}

/* ページデフォルトタイトル1 */
.default-title {
  text-align: center;
}
.default-title .main-ttl {
  font-size: 2rem;
  line-height: 1.5;
  position: relative;
  padding-bottom: 10px;
}
.default-title .main-ttl::before {
  content: "";
  position: absolute;
  width: 250px;
  height: 2px;
  background-color: var(--color-black);
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
}
.default-title .main-ttl.no-border::before {
  display: none;
}

@media only screen and (max-width: 1080px) {
  .default-title {
    margin-bottom: 2.5rem;
  }
  .default-title .main-ttl {
    font-size: 2.5rem;
  }
}

@media only screen and (max-width: 767px) {
  .default-title .main-ttl {
    font-size: 2rem;
  }
  .default-title .sub-ttl {
    font-size: 1.1rem;
    margin-top: 5px;
  }
}

/* ページデフォルトタイトル */
.sub-title-area {
  background-color: var(--color-lightgray);
  text-align: center;
  padding: 60px 0;
}
.sub-title-area .catch {
  position: relative;
  display: inline-block;
}
.sub-title-area .catch h1 {
  position: relative;
}
.sub-title-area .catch h1 div {
  position: relative;
  z-index: 1;
  color: var(--color-main);
}
.sub-title-area .catch h1 div:first-child {
  font-size: 2rem;
  letter-spacing: 0.2rem;
}
.sub-title-area .catch h1 div:nth-child(2) {
  font-size: 1.5rem;
}

@media only screen and (max-width: 1080px) {
  .big-title .sub-title {
    margin-top: 10px;
  }
  .sub-title-area {
    padding: 40px 0;
  }
  .sub-title-area .catch h1 div:first-child {
    font-size: 1.8rem;
  }
  .default-title .main-ttl {
    font-size: 2rem;
  }
  .default-title {
    margin-bottom: 2rem;
  }
}

@media only screen and (max-width: 767px) {
  .sub-title-area {
    padding: 20px 0;
  }
  .sub-title-area .catch h1 div:first-child {
    font-size: 1.5rem;
  }
  .big-title .main-title {
    font-size: 2.2rem;
  }
  .big-title .sub-title {
    margin: 0 auto;
    width: max-content;
  }
  .default-title .main-ttl {
    font-size: 1.3rem;
  }
  .default-title {
    margin-bottom: 1.3rem;
  }
}

@media only screen and (max-width: 374px) {
  .sub-title-area .catch h1 div:first-child {
    font-size: 1.3rem;
  }
}