* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
}

.header_div {
  display: flex;
  justify-content: space-around;
  width: 65vw;
  margin: 64px auto;
  border-bottom: 2px solid #000;
}

.div_h1 {
  height: 48px;
}

.div_h1 > h1 {
  font-size: 32px;
  animation: 2s up;
}

@keyframes up {
  0% {
    transform: translateY(30px);
    opacity: 0;
  }
  100% {
    transform: none;
    opacity: 1;
  }
}

.header_nav {
  line-height: 48px;
  text-align: center;
}

.header_ul {
  display: flex;
}

.header_ul > li {
  margin-left: 28px;
  animation: 2s up_2;
}

@keyframes up_2 {
  0% {
    transform: translateY(30px);
    opacity: 0;
  }
  100% {
    transform: none;
    opacity: 1;
  }
}

.header_ul > li > a {
  color: #000;
}

.header_ul > li > a > img {
  width: 32px;
  height: 32px;
}

@media (max-width: 500px) {
  .header_div {
    display: flex;
    justify-content: space-around;
    width: 65vw;
    margin: 32px auto;
    border-bottom: 2px solid #000;
  }

  .div_h1 {
    height: 24px;
  }

  .div_h1 > h1 {
    font-size: 16px;
    animation: 2s up;
  }

  @keyframes up {
    0% {
      transform: translateY(30px);
      opacity: 0;
    }
    100% {
      transform: none;
      opacity: 1;
    }
  }

  .header_nav {
    line-height: 24px;
    text-align: center;
  }

  .header_ul {
    display: flex;
  }

  .header_ul > li {
    margin-left: 14px;
    animation: 2s up_2;
  }

  @keyframes up_2 {
    0% {
      transform: translateY(30px);
      opacity: 0;
    }
    100% {
      transform: none;
      opacity: 1;
    }
  }

  .header_ul > li > a {
    color: #000;
  }

  .header_ul > li > a > img {
    width: 16px;
    height: 16px;
  }
}

#Mask {
  background: #d9d9d9;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 2;
}

#Modal {
  background: #fff;
  border: 2px solid #000;
  width: 1000px;
  height: 800px;
  position: absolute;
  top: 700px;
  right: 0;
  left: 0;
  margin: 0 auto;
  transition: transform 0.5s;
  z-index: 2;
}

#Modal > p {
  text-align: center;
  font-size: 32px;
  margin: 32px 0;
}

form {
  width: 700px;
  margin: 0 auto;
  position: relative;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  margin: 18px 0;
  border-radius: 5px;
  box-sizing: border-box;
}

textarea {
  width: 100%;
  padding: 10px;
  margin: 36px 0;
  border-radius: 5px;
  box-sizing: border-box;
}

input[type="submit"] {
  display: block;
  width: 64px;
  margin: 0 auto;
}

#Close {
  position: absolute;
  top: -64px;
  right: -20px;
  cursor: pointer;
}

#Open {
  cursor: pointer;
}

#Mask.hidden {
  display: none;
}

#Modal.hidden {
  transform: translateY(1600px);
}

.header_img {
  width: 90vw;
  height: 75vh;
  margin: 0 auto;
}

.header_img > img {
  width: 90vw;
  height: 75vh;
}

.contact_div {
  display: flex;
  justify-content: space-between;
  width: 90vw;
  margin: 0 auto;
  padding: 64px;
}

.text_div {
  width: 30vw;
  height: 40vh;
}

.text_div > p:nth-child(1) {
  margin-bottom: 64px;
}

.others_div {
  width: 30vw;
  height: 60vh;
}

.email_div {
  margin: 32px 0;
}

.email_div > p {
  font-size: 10px;
}

.number_div {
  margin: 32px 0;
}

.number_div > p {
  font-size: 10px;
}

.request_div {
  width: 300px;
  height: 64px;
  position: relative;
  background-color: #000;
}

.request_div > button {
  color: #fff;
  background-color: #000;
  font-size: 12px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

button {
  border: none;
  cursor: pointer;
  outline: none;
  appearance: none;
}

@media (max-width: 500px) {
  #Mask {
    background: #d9d9d9;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 2;
  }

  #Modal {
    background: #fff;
    border: 2px solid #000;
    width: 350px;
    height: 670px;
    position: absolute;
    top: 40%;
    right: 0;
    left: 0;
    margin: 0 auto;
    transition: transform 0.5s;
    z-index: 2;
  }

  #Modal > p {
    text-align: center;
    font-size: 16px;
    margin: 32px 0;
  }

  form {
    width: 375px;
    margin: 0 auto;
    position: relative;
  }

  input[type="text"] {
    width: 350px;
    padding: 5px;
    margin: 18px 0;
    border-radius: 5px;
    box-sizing: border-box;
  }

  textarea {
    width: 350px;
    padding: 5px;
    margin: 36px 0;
    border-radius: 5px;
    box-sizing: border-box;
  }

  input[type="submit"] {
    display: block;
    width: 32px;
    margin: 0 auto;
  }

  #Close {
    position: absolute;
    top: -64px;
    right: -20px;
    cursor: pointer;
  }

  #Open {
    cursor: pointer;
  }

  #Mask.hidden {
    display: none;
  }

  #Modal.hidden {
    transform: translateY(-25%);
  }

  .header_img {
    width: 90vw;
    height: 75vh;
    margin: 0 auto;
  }

  .header_img > img {
    width: 90vw;
    height: 75vh;
  }

  .contact_div {
    display: flex;
    justify-content: space-between;
    width: 90vw;
    margin: 0 auto;
    padding: 64px;
  }

  .text_div {
    width: 30vw;
    height: 40vh;
  }

  .text_div > p:nth-child(1) {
    margin-bottom: 64px;
  }

  .others_div {
    width: 30vw;
    height: 60vh;
  }

  .email_div {
    margin: 32px 0;
  }

  .email_div > p {
    font-size: 10px;
  }

  .number_div {
    margin: 32px 0;
  }

  .number_div > p {
    font-size: 10px;
  }

  .request_div {
    width: 120px;
    height: 32px;
    position: relative;
    background-color: #000;
  }

  .request_div > button {
    color: #fff;
    background-color: #000;
    font-size: 8px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  button {
    border: none;
    cursor: pointer;
    outline: none;
    appearance: none;
  }
}