@charset "UTF-8";

html {
  color: #595757;
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 10px;
}

body {
  display: grid;
  grid-template-rows: 115px auto 100px;
  min-height: 100vh;
}

a {
  text-decoration: none;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  body {
    grid-template-rows: 210px auto 100px;
  }
}

/*----------------------------------------------------
汎用
----------------------------------------------------*/
.pc {
  display: none;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  .pc {
    display: block;
  }
  .sp {
    display: none;
  }
}

/*----------------------------------------------------
ヘッダー
----------------------------------------------------*/
header {
  background-color: #0768B1;
}
header h1 {
  font-size: 3rem;
  margin: 40px 0;
  text-align: center;
}
header h1 a {
  color: #fff;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  header h1 {
    font-size: 6rem;
    margin: 70px;
  }
}

/*----------------------------------------------------
フッター
----------------------------------------------------*/
footer {
  background-color: #0768B1;
  color: #fff;
  font-size: 1.5rem;
  padding: 20px;
  text-align: center;
}
.footer-text {
  font-size: 2rem;
  font-weight: bold;
  margin: 0 0 15px;
}
.footer-text a {
  color: #fff;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  .footer-text {
    font-size: 2.5rem;
  }
}

/*----------------------------------------------------
コンテンツ
----------------------------------------------------*/
main {
  padding: 0 16px;
}
.contact-title {
  font-size: 2rem;
  line-height: 1.5em;
  text-align: center;
}
/* フォームエリア */
.contact-container {
  margin: 50px 0;
  width: 100%;
}
.contact-box {
  font-size: 2rem;
  margin-bottom: 40px;
}
.contact-label {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  margin: 0 0 5px;
}
.required-label {
  padding-left: 50px;
  position: relative;
}
.required-label::after {
  background-color: #e63535;
  content: "必須";
  color: #fff;
  display: block;
  font-size: 1.4rem;
  font-weight: normal;
  left: 0;
  line-height: 1em;
  padding: 5px;
  position: absolute;
  top: -1px;
}
.contact-text,
.contact-textarea {
  box-sizing: border-box;
  padding: 5px;
  width: 100%;
}
.contact-label-name {
  font-size: 1.5rem;
  margin: 0 0 10px;
}
.contact-checkbox {
  cursor: pointer;
  display: inline-block;
  margin: 15px 0 0 25px;
  position: relative;
}
.contact-checkbox input[type=checkbox] {
  height: 1em;
  left: -25px;
  position: absolute;
  width: 1em;
}
.contact-btn {
  background-color: #0768B1;
  border: none;
  color: #fff;
  cursor: pointer;
  display: block;
  font-size: 2rem;
  margin: 50px auto;
  padding: 15px;
  transition: .3s;
  width: 100%;
}
.contact-btn:hover {
  opacity: .7;
}
.contact-btn.invalid {
  background-color: #ccc;
  cursor: default;
}
.contact-btn.invalid:hover {
  opacity: 1;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  .contact-container {
    margin: 50px auto;
    width: 700px;
  }
  .contact-name {
    display: flex;
    gap: 30px;
  }
  .contact-name div {
    flex: 1;
  }
  .contact-label-name {
    margin: 0;
  }
  .contact-checkbox {
    margin-left: 30px;
  }
  .contact-btn {
    width: 250px;
  }
}
/* エラーメッセージ */
.contact-error {
  color: #e63535;
  display: none;
  font-size: 1.7rem;
  margin: 5px 0 0 5px;
}
.contact-error i {
  margin-right: 5px;
}
.error-highlight {
  background-color: #ffecec;
  border: 2px solid #e63535;
}
.error-highlight:focus {
  outline-color: #e63535;
}
.checkbox-container.error-highlight {
  padding-bottom: 15px;
}

/* 確認画面 */
.confirmation-box {
  border-bottom: 1px solid #333;
}
.confirmation-label {
  font-size: 2rem;
  font-weight: bold;
  margin: 30px 0 10px;
}
.confirmation-value {
  color: #656565;
  font-size: 2rem;
  line-height: 1.5em;
  margin: 10px 0 5px;
  padding-left: 5px;
}
.confirmation-back-btn,
.confirmation-btn {
  background-color: #0768B1;
  border: none;
  color: #fff;
  cursor: pointer;
  display: block;
  font-size: 2rem;
  margin-top: 30px;
  padding: 15px 0;
  text-align: center;
  transition: .3s;
  width: 100%;
}
.confirmation-back-btn {
  background-color: #ccc;
  color: #595757;
}
.confirmation-back-btn:hover,
.confirmation-btn:hover {
  opacity: .7;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  .confirmation-btn-box {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-top: 50px;
  }
  .confirmation-back-btn,
  .confirmation-btn {
    width: 200px;
  }
}

.result {
  margin-top: 50px;
}
.top-btn {
  background-color: #0768B1;
  border: none;
  color: #fff;
  cursor: pointer;
  display: block;
  font-size: 2rem;
  margin: 150px auto 0;
  padding: 15px 0;
  text-align: center;
  transition: .3s;
  width: 100%;
}
.top-btn:hover {
  opacity: .7;
}
/* PCレイアウト */
@media screen and (min-width:768px) {
  .top-btn {
    width: 250px;
  }
}