body {
  max-width: 720px;
  width: 100%;
  text-align: center;
  margin: auto;
}

@media screen and (max-width: 480px) {
  body {
    width: 90%;
  }
}

.goback {
  max-width: 720px;
  margin-top: 2rem;
  margin-bottom: 1rem;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.goback-btn {
  display: inline-block;
  justify-content: space-between;
  text-align: left;
  text-decoration: none;
  width: 120px;
  margin: auto;
  padding: 1rem 4rem;
  font-weight: bold;
  background: #eee;
  color: #27acd9;
  border-radius: 100vh;
  position: relative;
  transition: 0.5s;
}
.goback-btn::before {
  content: "";
  position: absolute;
  top: calc(50% - 2px);
  left: 1rem;
  transform: translateY(calc(-50% - 2px)) rotate(135deg);
  width: 10px;
  height: 1px;
  background: #27acd9;
}
.goback-btn::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 1rem;
  transform: translateY(-50%);
  width: 50px;
  height: 1px;
  background-color: #27acd9;
}
.goback-btn:hover {
  background: #d4eef7;
  color: #27acd9;
}

@media screen and (max-width: 480px) {
  .goback{
    width: 50%;
  }
}

.header-img {
  margin-left: auto;
  margin-right: auto;
  display: block;
  max-width: 720px;
}
@media screen and (max-width: 480px) {
  .header-img {
    width: 100%;
    padding-left: 14px;
    padding-right: 14px;
  }
}

.Form {
  margin-top: 80px;
  margin-bottom: 80px;
  margin-left: auto;
  margin-right: auto;
  max-width: 720px;
}

@media screen and (max-width: 480px) {
  .Form {
    margin-top: 40px;
    margin-bottom: 40px;
  }
}

.Form-Item {
/*  border-top: 1px solid #ddd;*/
  padding-top: 24px;
  padding-bottom: 10px;
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

@media screen and (max-width: 480px) {
  .Form-Item {
    padding-left: 14px;
    padding-right: 14px;
    padding-top: 16px;
    padding-bottom: 10px;
  }
}

.Form-Item:nth-child(5) {
  border-bottom: 1px solid #ddd;
}

.Form-Item-Label {
  width: 100%;
  max-width: 248px;
  letter-spacing: 0.05em;
  font-weight: bold;
  font-size: 18px;
}

@media screen and (max-width: 480px) {
  .Form-Item-Label {
    max-width: inherit;
    display: flex;
    align-items: center;
    font-size: 15px;
  }
}

.Form-Item-Label.isMsg {
  margin-top: 8px;
  margin-bottom: auto;
}

@media screen and (max-width: 480px) {
  .Form-Item-Label.isMsg {
    margin-top: 0;
  }
}

.Form-Item-Label-Required {
  border-radius: 6px;
  margin-right: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
  width: 48px;
  display: inline-block;
  text-align: center;
  background: #5bc8ac;
  color: #fff;
  font-size: 14px;
}

@media screen and (max-width: 480px) {
  .Form-Item-Label-Required {
    border-radius: 4px;
    padding-top: 4px;
    padding-bottom: 4px;
    width: 32px;
    font-size: 10px;
  }
}

.Form-Item-Input {
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-left: 40px;
  padding-left: 1em;
  padding-right: 1em;
  height: 48px;
  flex: 1;
  width: 100%;
  max-width: 410px;
  background: #eaedf2;
  font-size: 18px;
}

@media screen and (max-width: 480px) {
  .Form-Item-Input {
    margin-left: 0;
    margin-right: 10px;
    margin-top: 18px;
    height: 40px;
    flex: inherit;
    font-size: 15px;
  }
}

.Form-Item-Textarea {
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-left: 40px;
  padding-left: 1em;
  padding-right: 1em;
  height: 216px;
  flex: 1;
  width: 100%;
  max-width: 410px;
  background: #eaedf2;
  font-size: 20px;
}

@media screen and (max-width: 480px) {
  .Form-Item-Textarea {
    margin-top: 18px;
    margin-left: 0;
    margin-right: 10px;
    height: 200px;
    flex: inherit;
    font-size: 15px;
  }
}

.Form-Btn {
  border-radius: 6px;
  margin-top: 32px;
  margin-left: auto;
  margin-right: auto;
  padding-top: 20px;
  padding-bottom: 20px;
  width: 280px;
  display: block;
  letter-spacing: 0.05em;
  background: #5bc8ac;
  color: #fff;
  font-weight: bold;
  font-size: 20px;
}

@media screen and (max-width: 480px) {
  .Form-Btn {
    margin-top: 24px;
    padding-top: 8px;
    padding-bottom: 8px;
    width: 160px;
    font-size: 16px;
  }
}

.rounded-Box {
  background-color: #888888;
  color: white;
  padding: 20px;
  border-radius: 15px;
  font-size: 1em;
  display: block;
  text-align: center;
  margin-left: 2%;
  margin-right: 2%;
  width: 90%;
}

.oshirase {
  background-color: rgb(251, 240, 222);
  color: #333;
  padding: 20px;
  font-size: 0.8rem;
  display: block;
  text-align: left;
  margin: auto;
  margin-top: 1rem;
  width: 90%;
}

#namecnt, #msgcnt {
  margin-top: 8px;
  font-weight: bold;
}
#namecnt.lenover, #msgcnt.lenover {
  color: red;
}

.infoarea{
  padding: 1rem;
  border: 1px solid #ccc;
  margin-top: 1rem;
  background-color: #ffd9e1;
  width: 80%;
  align-items: center;
  margin: auto;
  border-radius: 5px;
  display: none;
}
.infoarea.lenover, .infoarea.senderr, .infoarea.containBadWord, .infoarea.noword, .infoarea.sendsuccess {
  display: block;
}
.infoarea.infoarea.sendsuccess {
  background-color: #27acd9;
}