.contact-tc {
  width: 76%;
  max-width: 700px;
  height: auto;
  margin: 3.9% auto 0 auto;
  position: relative;
}

.contact-t1, .contact-t2, .contact-t3 {
  font-family: "Teko", "oswald", 'anton', "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-weight: 300;
}

.contact-t1 {
  height: 60px;
  font-size: 60px;
  line-height: 60px;
  letter-spacing: -1px;
}

.contact-t2 {
  height: 28px;
  font-size: 28px;
  line-height: 28px;
  letter-spacing: -0.3px;
  margin-top: -8px;
}

/* .contact-t3 {
  font-size: 3vw;
  letter-spacing: -1px;
  margin-top: -12px;
} */

.contact-t4 {
  width: 80%;
  max-width: 500px;
  height: auto;
  margin: 15px 0 0 0;
  font-size: 13px;
  line-height: 27px;
  letter-spacing: 0.2px;
  font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}

.contact-t5 {
  width: 70%;
  height: auto;
  margin: 15px 0 7% 0;
  font-size: 12px;
  line-height: 27px;
  font-family: "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}






.container {
  width: 100%;
  margin: 0% auto 0% auto;
  position: relative;
  font-family: "Teko", "oswald", 'anton', "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-weight: 300;
  background: #000;
}

.alert-success {
  /* position: absolute;
  top: -15%;
  left: 50%;
  transform: translateX(-50%); */
  width: 80%;
  height: auto;
  margin: 20px auto;
  text-align: center;
}

/* textarea {
  width: 100%;
  height: 250px;
  background: #e6e6e6;
  border: none;
  padding: 50px 20px 20px 20px;
  box-sizing: border-box;
} */



.form2-c {
  width: 88%;
  height: auto;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
}

.name-c, .email-c, .phone-c, .textarea {
  width: 86%;
  max-width: 700px;
  position: relative;
}

.name-c {
  margin-top: 5%;
}

.name, .email, .phone, textarea {
  width: 100%;
  height: 30px;
  line-height: 20px;
  margin: 0% 0% 3% 0%;
  padding-left: 10px;
  padding-right: 10px;
  box-sizing: border-box;
  border: none;
  background: #585858;
}

textarea {
  height: 200px;
  margin-bottom: 0;
  background: #D8D8D8;
}

.name-c::before {
  content: 'NAME';
  font-size: 20px;
  display: block;
}

.email-c::before {
  content: 'EMAIL';
  font-size: 20px;
  display: block;
}

.phone-c::before {
  content: 'PHONE';
  font-size: 20px;
  display: block;
}

.textarea::before {
  content: 'MESSAGE';
  font-size: 20px;
  display: block;
}




.btn {
  width: 88%;
  max-width: 700px;
  height: 10vw;
  line-height: 10vw;
  margin: 3% auto 11% auto;
  color: #fff;
  font-size: 15px;
  letter-spacing: 0.3em;
  font-family: "Teko", "oswald", 'anton', "Hiragino Kaku Gothic ProN", "ヒラギノ角ゴ ProN W3", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  font-weight: 300;
  text-align: center;
  background: #000;
  position: relative;
  transition: 0.3s;
  border: 2px solid #fff;
  overflow: hidden;
  box-sizing: border-box;
  z-index: 1;
}

.btn::before {
  content: "";
  display: inline-block;
  width: 0;
  height: 10vw;
  background: #fff;
  position: absolute;
  top: 0%;
  left: -20%;
  transform: skewX(30deg);
  z-index: -1;
  transition: 0.3s;
}

.btn:hover {
  color: #000;
}

.btn:hover::before {
  width: 200%;
}




#back-to-top {
  margin: 10% auto;
}




@media (min-width: 735px) {


  .contact-t1 {
    height: 116px;
    font-size: 116px;
    line-height: 116px;
    letter-spacing: -2px;
    margin-left: -5px;
  }

  .contact-t2 {
    height: 36px;
    font-size: 36px;
    line-height: 36px;
    letter-spacing: -0.3px;
    margin-top: -18px;
  }

  .contact-t4 {
    margin: 11px 0 0 0;
    font-size: 17px;
    line-height: 30px;
    letter-spacing: 1px;
  }

  .contact-t5 {
    margin: 15px 0 7% 0;
    font-size: 17px;
    line-height: 30px;
    letter-spacing: 1.2px;
  }

  .name-c::before, .email-c::before, .phone-c::before, .textarea::before {
    font-size: 25px;
    letter-spacing: 0.5px;
  }


  .btn {
    font-size: 25px;
    letter-spacing: 5px;
  }





}






@media (min-width: 1068px) {


  .contact-t1 {
    height: 94px;
    font-size: 96px;
    line-height: 96px;
    letter-spacing: -2px;
    margin-left: -5px;
  }

  .contact-t2 {
    height: 30px;
    font-size: 30px;
    line-height: 30px;
    letter-spacing: -0.3px;
    margin-top: -10px;
  }

  .contact-t4 {
    margin: 20px 0 0 0;
    font-size: 15px;
    line-height: 30px;
    letter-spacing: 0.8px;
  }

  .contact-t5 {
    margin: 15px 0 7% 0;
    font-size: 14px;
    line-height: 30px;
    letter-spacing: 0.8px;
  }

  .name-c::before, .email-c::before, .phone-c::before, .textarea::before {
    font-size: 25px;
    letter-spacing: 0.5px;
  }


  .btn {
    height: 90px;
    line-height: 90px;
    font-size: 22px;
    letter-spacing: 5px;
  }








}