body {
  margin: 0;
}
.clearfix::after {
  content: '';
  clear: both;
  display: block;
}
.sp-only {
  display: none;
}
@media screen and (max-width: 575px) {
  .sp-only {
    display: block;
  }
  .sp-none {
    display: none;
  }
}
/* header */
.c-header {
  align-items: center;
  background-color: #fff;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  padding: 1rem 2rem;
  width: 100%;
}
.c-header__logo {
  color: #000;
  min-width: 280px;
  text-decoration: none;
}
.c-header__list {
  box-sizing: border-box;
  display: flex;
  margin: 0;
  padding: 0;
}
.c-header__list-item {
  list-style: none;
  text-decoration: none;
  position: relative;
}
.c-header__list-link {
  color: #217a74;
  display: block;
  margin-right: 20px;
  text-decoration: none;
  padding: 10px 0px;
  font-weight: bold;
}
.c-header__list-link:hover {
  filter: opacity(0.6);
}
.c-hamburger-menu {
  position: relative;
}
.collabo_btn {
  background: linear-gradient(90deg, #87bc17, #179232);
  color: #fff;
  border-radius: 100px;
  padding: 0 1rem;
}
li.collabo_btn a {
  color: #fff;
  margin-left: 20px;
}
.collabo_btn img {
  display: inline;
  width: 11px;
}
@media screen and (max-width: 750px) {
  .c-hamburger-menu__list {
    background-color: #eeeeee;
    align-items: flex-start;
    display: flex;
    flex-direction: column;
    left: 0;
    padding: 2rem;
    position: absolute;
    transform: translateX(-100%);
    transition: 0.3s;
    top: 100%;
    width: 100%;
  }
  #hamburger:checked ~ .c-hamburger-menu__list {
    transform: translateX(0%);
    transition: 0.3s;
  }
}
.c-hamburger-menu__input {
  display: none;
}
.c-hamburger-menu__bg {
  background-color: #000;
  cursor: pointer;
  display: none;
  height: 100vh;
  left: 0;
  opacity: 0.4;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: -1;
}
#hamburger:checked ~ .c-hamburger-menu__bg {
  display: block;
}
.c-hamburger-menu__button {
  display: none;
}
@media screen and (max-width: 750px) {
  .c-hamburger-menu__button {
    align-items: center;
    appearance: none;
    background-color: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
    height: 32px;
    justify-content: center;
    width: 32px;
  }
}
.c-hamburger-menu__button-mark {
  background-color: #000;
  display: block;
  height: 1px;
  transition: 0.3s;
  width: 20px;
}
@media screen and (max-width: 750px) {
  #hamburger:checked
    ~ .c-hamburger-menu__button
    .c-hamburger-menu__button-mark:nth-of-type(1) {
    transform: translate(2px, 1px) rotate(45deg);
    transform-origin: 0%;
  }
  #hamburger:checked
    ~ .c-hamburger-menu__button
    .c-hamburger-menu__button-mark:nth-of-type(2) {
    opacity: 0;
  }
  #hamburger:checked
    ~ .c-hamburger-menu__button
    .c-hamburger-menu__button-mark:nth-of-type(3) {
    transform: translate(2px, 3px) rotate(-45deg);
    transform-origin: 0%;
  }
}
/* dropdown menu */
.dropdown__lists {
  visibility: hidden;
  opacity: 0;
  transition: all 0.3s;
  width: max-content;
  position: absolute;
  top: 50px;
  left: 0;
  list-style: none;
  padding-left: 0;
  box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.35);
  z-index: 10;
}
.c-header__list-item:hover .dropdown__lists {
  visibility: visible;
  opacity: 1;
}
.dropdown__list {
  background-color: #fff;
  /* height: 60px; */
  transition: all 0.3s;
  position: relative;
  padding: 1em 2em;
}
.dropdown__list:hover {
  background-color: #217a74;
}
.dropdown__list a {
  display: flex;
  justify-content: center;
  align-items: center;
  color: #217a74;
  text-decoration: none;
  position: relative;
}
@media screen and (max-width: 750px) {
  .dropdown__lists {
    visibility: visible;
    opacity: 1;
    box-shadow: none;
    position: relative;
    top: 0;
  }
  .dropdown__list {
    background-color: transparent;
  }
}
/* content */
/* title */
.title_block {
  background-color: #fdfdfd;
  opacity: 1;
  transition: background 0.3s, border-radius 0.3s, opacity 0.3s;
}
.title_bgblock {
  background-color: #f2f8e4;
  opacity: 1;
  transition: background 0.3s, border-radius 0.3s, opacity 0.3s;
}
.title_block h2 {
  color: #207a74;
  font-size: 3rem;
  line-height: 1.4em;
  letter-spacing: 6px;
  text-align: center;
  font-weight: 600;
  margin: 0;
  padding: 1.5em 0;
  position: relative;
}
.title_block h2:after {
  width: 80px;
  height: 5px;
  content: '';
  background: linear-gradient(90deg, #87bc17, #179232);
  position: absolute;
  transform: translateX(50%);
  bottom: 50px;
  left: calc(50% - 80px);
}
@media (max-width: 767px) {
  .title_block {
    background-size: 80vw auto;
  }
  .title_block h2 {
    padding: 2em 0;
    font-size: 6vw;
    line-height: 1.3em;
    letter-spacing: 3px;
  }
}
@media screen and (max-width: 575px) {
  .title_block h2:after {
    bottom: 3vh;
  }
}
/* content_block */
.content_whiteblock {
  background-color: #fff;
  padding: 1em 0;
}
.content_block {
  background-color: #f2f8e4;
  padding: 1em 0;
}
@media screen and (max-width: 575px) {
  .content_whiteblock,
  .content_block {
    margin: 0 auto;
    padding: 1% 3% 0;
  }
}
.content_inner {
  max-width: 1140px;
  margin: 0 auto;
}
.content_inner .content_title {
  padding-bottom: 24px;
  padding-left: 36px;
  font-size: 1.8rem;
  line-height: 1;
  margin: 0;
  color: #207a74;
  font-weight: bold;
  letter-spacing: 0.1em;
}
@media screen and (max-width: 767px) {
  .content_inner .content_title {
    font-size: 18px;
    padding-left: 0;
  }
}
/* modal-window */
.content_whiteblock dialog {
  padding: 1.5rem;
  border: none;
  border-radius: 0.5rem;
  text-align: center;
  box-shadow: 0px 0px 15px 0px rgba(0, 0, 0, 0.4);
}
.content_whiteblock button {
  padding: 0.5rem 1rem;
  border-radius: 0.4rem;
  cursor: pointer;
}
@media screen and (max-width: 575px) {
  .content_whiteblock dialog {
    -webkit-appearance: none;
    width: 80%;
    height: 85%;
    margin: 1em auto 3em;
    overflow: scroll;
    padding: 1em;
  }
}
/* guarantee　content */
.content_whiteblock h3,
.content_block h3 {
  padding: 0.2rem 1.1rem 0.34rem;
  background: rgb(32, 122, 116);
  color: #fff;
  font-weight: normal;
  display: block;
  font-size: 2rem;
}
.content_whiteblock h4,
.content_block h4 {
  padding: 0.2rem 0.2rem 0.2rem 1rem;
  border-left: 3px solid rgb(109 178 29);
  font-weight: bold;
  color: #207a74;
  background: #eaeaea;
  font-size: 1.8rem;
}
.content_whiteblock h5,
.content_block h5 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #207a74;
}
.content_whiteblock p,
.content_block p {
  font-size: 1.3rem;
  line-height: 1.7;
}
@media screen and (max-width: 575px) {
  .content_whiteblock h3,
  .content_block h3 {
    font-size: 6.3vw;
    margin: 0.7em 0 0.5em;
  }
  .content_whiteblock h4,
  .content_block h4 {
    font-size: 6vw;
  }
  .content_whiteblock p,
  .content_block p {
    font-size: 5vw;
  }
}

.content_inner .return_block {
  display: flex;
  justify-content: space-between;
}
.content_inner .return_block .return_itemblock {
  width: 47%;
}
@media screen and (max-width: 575px) {
  .content_inner .return_block {
    display: block;
  }
  .content_inner .return_block .return_itemblock {
    width: 100%;
  }
}
.content_inner details {
  margin-bottom: 1em;
  font-size: 1.2rem;
  line-height: 1.7;
}
.content_inner summary {
  display: grid;
  grid-template-columns: 1fr 24px;
  gap: 6px;
  align-items: center;
  padding: 16px 24px;
  background: #fff;
  box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.3);
}
.content_inner summary .icon {
  display: block;
  position: relative;
  width: 24px;
  transform-origin: center 43%;
  transition: transform 0.4s;
  &::before,
  &::after {
    content: '';
    position: absolute;
    display: block;
    width: 15px;
    height: 3px;
    background-color: rgb(109 178 29);
  }
  &::before {
    left: 0;
    transform: rotate(45deg);
  }
  &::after {
    right: 0;
    transform: rotate(-45deg);
  }
}
.content_inner details[open] .icon {
  transform: rotate(180deg);
}
.pseudoElement {
  summary::after {
    content: '';
    display: block;
    width: 25px;
    height: 16px;
    margin-left: 6px;
    background-image: url('icon.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    transform-origin: center 43%;
    transition: transform 0.4s;
  }
  details[open] summary::after {
    transform: rotate(180deg);
  }
}
.content_inner .return_itemcontent {
  background-color: rgba(200, 200, 200, 0.4);
  padding: 0.7em 1.7em;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.content_inner .itemblock {
  display: flex;
  justify-content: space-between;
}
.content_inner .itemblock details {
  width: 47%;
}
.content_block .btn-style9,
.content_whiteblock .btn-style9 {
  display: inline-block;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  border: none;
  color: white;
  transition: filter 0.3s;
  font-size: 1.25rem;
  display: inline-block;
  width: auto;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: 2em;
  background-color: transparent;
}
.content_block .btn-style9 a,
.content_whiteblock .btn-style9 a {
  padding: 1em 1.5em;
  text-decoration: none;
  font-weight: normal;
  color: #fff;
  border-radius: 8px;
  background-color: #207a74;
}
.content_block .btn-style9 a:hover,
.content_whiteblock .btn-style9 a:hover {
  opacity: 0.8;
}
.content_block .terms_checkblock {
  background: #fff;
  box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.3);
  position: relative;
  top: 0%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  padding: 1em 4em 2em;
  width: fit-content;
  margin-bottom: 3rem;
}
@media screen and (max-width: 575px) {
  .content_inner .itemblock {
    display: block;
  }
  .content_inner .itemblock details {
    width: 100%;
  }
  .content_block .btn-style9,
  .content_whiteblock .btn-style9 {
    border-radius: 8px;
    background-color: #207a74;
    padding: 0.5em 1em;
  }
  .content_block .btn-style9 a,
  .content_whiteblock .btn-style9 a {
    background-color: transparent;
  }
}
.terms_check label input#agreeCheckbox {
  -moz-transform: scale(1.5);
  -webkit-transform: scale(1.5);
  transform: scale(1.5);
  margin-right: 1em;
}
.terms_check label {
  font-size: 1.3rem;
  line-height: 1.7;
}
.terms_check button:disabled {
  background-color: #7dc3be;
  color: white;
  border: none;
  padding: 0.6em 2em 0.8em;
  font-size: 1.3rem;
  border-radius: 8px;
}
.terms_check button {
  background-color: rgb(32, 122, 116);
  color: white;
  border: none;
  padding: 0.6em 2em 0.8em;
  font-size: 1.3rem;
  border-radius: 8px;
  margin-top: 1em;
}
/* form_refund */
.content_block .refund_inblock h5 {
  border-bottom: solid 1px #a3a3a3;
  margin-bottom: 0;
}
/* basic-form */
.c-form {
  max-width: 700px;
  margin: 0 auto;
}
.c-form__item {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
  margin-bottom: 20px;
}
.c-form__label,
.c-form__input {
  padding: 10px;
}
.c-form__label {
  width: 90%;
}
.c-form__input {
  width: 90%;
  font-size: 16px;
  border: solid 1px #207a74;
  border-radius: 4px;
}
.c-form__input:focus-visible {
  outline: green auto 1px;
}
.c-form__required {
  color: #fff;
  background-color: green;
  border-radius: 4px;
  padding: 5px 5px;
  margin: 0 0 0 18px;
}
textarea.c-form__input {
  height: 160px;
  line-height: 1.3;
}
.c-form__submit {
  text-align: center;
  margin: 4em 0 3em;
}
.c-form__submit button {
  font-size: 18px;
  font-weight: bold;
  color: #fff;
  background-color: green;
  border: solid 1px green;
  border-radius: 4px;
  padding: 5px 32px;
  transition: 0.4s;
  cursor: pointer;
}
.c-form__submit button:hover {
  color: green;
  background-color: transparent;
}
@media (min-width: 640px) {
  .c-form__item {
    flex-wrap: nowrap;
  }
  .c-form__label {
    width: 39%;
    background: #207a74;
    margin-right: 1%;
    padding: 0.7em;
    color: #fff;
  }
  .c-form__required {
    background: rgb(255, 238, 119);
    color: rgb(32, 122, 116);
    font-size: 60%;
  }
  .c-form__input {
    width: 55%;
  }
}
/* others-form */
.tieup_btn a {
  background-color: #fff;
  border: solid 2px #2f4f4f;
  color: #2f4f4f;
  padding: 10px 30px;
  text-decoration: none;
  font-size: 1em;
}
.tieup_btn a:hover {
  color: #2f4f4f;
  background-color: #b0e0e6;
}
/* video-form */
.c-form__inputradio {
  background: #fff;
}
input[type='radio'] {
  position: relative;
  width: 16px;
  height: 16px;
  border: 1px solid #000;
  border-radius: 50%;
  vertical-align: -2px;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
input[type='radio']:checked:before {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #2f8caa;
  content: '';
}
@media screen and (max-width: 420px) {
  .c-form__inputradio label.label_radio {
    display: block;
  }
}
/* pull down-form */
.c-form__inputselect {
  background: #fff;
}
.c-form__inputselect select {
  font-size: 1.1rem;
  padding: 0.2em 1.2em;
  box-shadow: 0px 0px 7px 0px rgba(0, 0, 0, 0.3);
  border-color: #a9a9a9;
}
/* basic-thanks */
.basic-thanks {
  padding-bottom: 4em;
}
@media screen and (max-width: 750px) {
  .basic-thanks .content_inner {
    width: 90%;
  }
}
.basic-thanks figure.thankyouimg {
  margin: 2em 0 0;
}
@media screen and (max-width: 500px) {
  .basic-thanks figure.thankyouimg img {
    width: 90%;
  }
}
.basic-thanks figure.thankyouimg,
.basic-thanks h3,
.basic-thanks p {
  text-align: center;
}
.basic-thanks h3 {
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}
.basic-thanks p {
  line-height: 1.9;
  letter-spacing: 0.02em;
}
.basic-thanks h3.sent_solution {
  margin-top: 2em;
}
/* footer */
footer {
  background: #217a74;
  width: 100%;
  color: #fff;
  letter-spacing: 2px;
}
#footer__wrap {
  display: flex;
  width: 800px;
  padding: 5rem 0 2rem;
  margin: 0 auto;
  justify-content: center;
  max-width: 1000px;
  width: 90vw;
}
footer .flex {
  display: flex;
  justify-content: space-around;
}
.footer_menu {
  float: left;
  width: 700px;
  list-style: none;
}
.footer_menu > li {
  float: left;
  width: 30%;
  font-size: 0.85rem;
  font-weight: bold;
  position: relative;
  line-height: 1.4;
}
.footer_menu ul {
  list-style: none;
  padding: 0;
}
.footer_menu > li li {
  margin-bottom: 1.3rem;
}
.footer_menu > li li a {
  color: #fff;
  text-decoration: none;
}
.footer_adress {
  width: 300px;
  padding: 2rem;
  border: solid 1px #fff;
  border-radius: 2px;
  font-size: 1.1rem;
}
.footer_adress img {
  margin: 0 0 2rem;
  padding: 0;
  width: 80%;
}
.footer_adress p {
  text-align: left;
}
.footer_adress .copyright {
  text-align: center;
  margin-top: 2.5rem;
  font-size: 0.7rem;
  text-align: left;
}
@media screen and (max-width: 1070px) {
  footer .flex {
    flex-wrap: wrap;
  }
}
@media screen and (max-width: 575px) {
  #footer__wrap {
    width: 90%;
    display: block;
    padding: 2rem 0 2rem;
  }
  footer .flex {
    display: block;
  }
  .footer_menu {
    float: none;
    width: 90%;
    padding-left: 0;
  }
  .footer_menu > li {
    float: none;
    width: 100%;
  }
  .footer_menu > li li {
    margin-bottom: 1rem;
  }
  .footer_adress {
    width: auto;
  }
  footer .sp-none {
    display: none;
  }
}