body {
  font-family: "Oswald", "Noto Sans JP", sans-serif;
  color: #333;
}
body.is-fixed {
  overflow: hidden;
}

.button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 6px 10px 6px 30px;
  width: 160px;
  margin: 0 auto;
}
.button--bg {
  background-color: #fff;
}
.button--bg .button_text {
  color: #4a4a4a;
}
.button--border {
  border: 1px solid #fff;
}
.button--border .button_text {
  color: #fff;
}
.button-icon {
  width: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.button_icon-path {
  fill: #fff;
}
.button_icon-path--contact {
  fill: #4a4a4a;
}
.button_text {
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.header {
  background-color: rgba(36, 134, 129, 0.7254901961);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.header_container {
  width: 100%;
  position: relative;
}
.header_logo {
  display: inline-block;
  padding: 14px 24px;
  font-size: 20px;
  color: #fff;
}
.header__menu-button {
  border: none;
  position: absolute;
  top: 24px;
  right: 24px;
  width: 30px;
  height: 36px;
  overflow: hidden;
  color: transparent;
  background: url(../img/bg_menu.png) center center no-repeat;
  background-size: 100% auto;
}
.header__menu-button.is-checked {
  background: url(../img/bg_menu-close.png) center center no-repeat;
  background-size: 100% auto;
}
.header_contents {
  display: none;
  height: calc(100vh - 88px);
  border-top: 1px solid #fff;
  padding-top: 60px;
}
.header_nav-item + .header_nav-item {
  margin-top: 24px;
}

.fv {
  position: relative;
}
.fv_contents {
  position: absolute;
  bottom: 26px;
  left: 0;
  width: 100%;
  height: 209px;
  background: url(../img/sp/bg_fv.png) center center no-repeat;
  background-size: 100% auto;
  padding: 32px;
}
.fv_heading-main {
  display: block;
  font-size: 40px;
  letter-spacing: 0.1em;
}
.fv_heading-sub {
  margin-top: 12px;
  display: block;
  font-size: 14px;
}

.section {
  padding: 48px 0;
}
.section_inner {
  padding: 0 32px;
}
.section_head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  margin-bottom: 32px;
}
.section_head--center {
  text-align: center;
}
.section_head-main {
  font-size: 40px;
  letter-spacing: 0.1em;
}
.section_head-sub {
  font-size: 11px;
}
.section_lead-text {
  font-size: 16px;
  line-height: 1.6;
}
.section_contents {
  margin-top: 40px;
}

.service_item + .service_item {
  margin-top: 40px;
}
.service_item-img {
  text-align: center;
  margin-bottom: 14px;
}
.service_item-name {
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}
.service_item-text {
  font-size: 14px;
  line-height: 1.6;
}

.works {
  background-color: #fafafa;
}
.works_item + .works_item {
  margin-top: 40px;
}
.works_item-img {
  margin-bottom: 12px;
}
.works_item-img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.works_item-name {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 6px;
}
.works_item-link {
  text-decoration: underline;
  font-size: 14px;
}

.about_img {
  margin-bottom: 32px;
}
.about_img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.about_text {
  font-size: 16px;
  line-height: 1.6;
}
.about_text + .about_text {
  margin-top: 1em;
}

.about_img {
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
@media screen and (min-width: 768px) {
  .about_img {
    width: 900px;
    margin-top: auto;
    margin-bottom: auto;
  }
}
@media screen and (min-width: 900px) {
  .about_img {
    width: 1000px;
  }
}

.section_head-sub-title {
  margin-top: 20px;
  font-size: 24px;
}

.section_head-sub-name {
  font-size: 20px;
}

.flow {
  background-color: #fafafa;
}
.flow_list {
  margin-top: 64px;
}
.flow_item {
  position: relative;
  border: 1px solid #808080;
  padding: 46px 16px 24px;
}
.flow_item + .flow_item {
  margin-top: 46px;
}
.flow_item-num {
  position: absolute;
  top: -24px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  font-size: 24px;
  background-color: #4a4a4a;
  color: #fff;
  width: 48px;
  height: 48px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.flow_item-img {
  text-align: center;
  margin-bottom: 24px;
}
.flow_item-name {
  font-size: 16px;
  text-align: center;
  font-weight: bold;
  margin-bottom: 10px;
}
.flow_item-text {
  font-size: 14px;
  line-height: 1.6;
}

.message__img {
  margin-bottom: 32px;
}
.message__img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}
.message__text {
  font-size: 16px;
  line-height: 1.6;
}

.contact {
  padding-top: 40px;
  padding-bottom: 43px;
  background-color: #fff;
}
@media screen and (min-width: 900px) {
  .contact {
    padding-top: 120px;
    padding-bottom: 116px;
  }
}

.contact__inner {
  max-width: 640px;
  padding-right: 20px;
  padding-left: 20px;
  margin-right: auto;
  margin-left: auto;
}
@media screen and (min-width: 900px) {
  .contact__inner {
    max-width: 908px;
    padding-right: 30px;
    padding-left: 30px;
  }
}

.contact__text {
  margin-top: 24px;
  text-align: center;
}
@media screen and (min-width: 900px) {
  .contact__text {
    margin-top: 30px;
    font-size: 16px;
  }
}

.contact__form {
  margin-top: 24px;
}
@media screen and (min-width: 900px) {
  .contact__form {
    margin-top: 40px;
  }
}

.contact__fields {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 24px;
}

@media screen and (min-width: 900px) {
  .form-field {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 40px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}

.form-field-top-alignment {
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}

.form-field__heading {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 12px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (min-width: 900px) {
  .form-field__heading {
    gap: 12px;
    width: 200px;
  }
}

.form-field__label {
  font-size: 14px;
  font-weight: 700;
}
@media screen and (min-width: 600px) {
  .form-field__label {
    font-size: 16px !important;
  }
}

.form-field__tag {
  color: #fff;
  font-weight: 700;
  border-radius: 4px;
  background-color: rgba(78, 159, 235, 0.7137254902);
  padding: 4px 8px;
}

.form-field__item {
  margin-top: 8px;
}
@media screen and (min-width: 900px) {
  .form-field__item {
    width: calc(100% - 180px - 40px);
    margin-top: 0;
  }
}

.form-select {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  width: 100%;
  height: 56px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: #f5f5f5;
  padding: 14.5px 15px;
  font-size: 14px;
  background-image: url(../img/contact-arrow-icon.png), linear-gradient(to left, #9ed0e0 52px, #f5f5f5 52px);
  background-repeat: no-repeat, no-repeat;
  background-position: center right 18.65px, center center;
  background-size: 14.9px 8.78px, cover;
  position: relative;
  cursor: pointer;
}
@media screen and (min-width: 900px) {
  .form-select {
    font-size: 16px;
  }
}
.form-select.is-error {
  background: #fff0f7;
  border-color: #ce2073;
}

.form-text {
  width: 100%;
  height: 56px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: #f5f5f5;
  padding: 16px;
  font-size: 14px;
  color: #ccc;
}
@media screen and (min-width: 900px) {
  .form-text {
    font-size: 16px;
  }
}
.form-text:hover {
  border: 1px solid #9ed0e0;
  background: #e9f6f8;
}
.form-text.is-error {
  background-color: #fff0f7;
  border-color: #ce2073;
}

.form-field__radios {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 24px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 0;
}
@media screen and (min-width: 900px) {
  .form-field__radios {
    height: 56px;
    padding-left: 2px;
  }
}

.form-radio:hover .form-radio__text::before {
  border-color: #9ed0e0;
}

.form-radio__input {
  width: 1px;
  height: 1px;
  position: absolute;
  clip: rect(0, 0, 0, 0);
  overflow: hidden;
}
.form-radio__input:checked + .form-radio__text::after {
  opacity: 1;
}

.form-radio__text {
  position: relative;
  padding-left: 32px;
  font-size: 14px;
  font-weight: 700;
}
@media screen and (min-width: 900px) {
  .form-radio__text {
    font-size: 16px;
  }
}
.form-radio__text::before, .form-radio__text::after {
  content: "";
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  border-radius: 50%;
}
.form-radio__text::before {
  left: 0;
  width: 24px;
  height: 24px;
  background: #f5f5f5;
  border: 1px solid transparent;
}
.form-radio__text::after {
  left: 6px;
  width: 12px;
  height: 12px;
  background: #9ed0e0;
  opacity: 0;
}

.form-field__label {
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
}

.form-textarea {
  height: 160px;
  width: 100%;
  padding: 14.5px 15px;
  font-size: 14px;
  background: #f5f5f5;
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: "Oswald", "Noto Sans JP", sans-serif;
}
@media screen and (min-width: 900px) {
  .form-textarea {
    font-size: 16px;
  }
}
.form-textarea:hover {
  border: 1px solid #9ed0e0;
  background: #e9f6f8;
}
.form-textarea.is-error {
  background-color: #fff0f7;
  border-color: #ce2073;
}

.contact__privacy {
  margin-top: 24px;
  text-align: center;
}
@media screen and (min-width: 900px) {
  .contact__privacy {
    margin-top: 40px;
  }
}

.form-checkbox {
  cursor: pointer;
}
.form-checkbox:hover .form-checkbox__text::before {
  border-color: #9ed0e0;
}

.form-checkbox__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}
.form-checkbox__input:focus + .form-checkbox__text::before {
  border-color: #9ed0e0;
}

.form-checkbox__input:checked + .form-checkbox__text::after {
  opacity: 1;
}

.form-checkbox__input.is-error + .form-checkbox__text::before {
  background-color: #fff0f7;
  border-color: #ce2073;
}

.form-checkbox__text {
  position: relative;
  padding-left: 36px;
  font-size: 14px;
}
@media screen and (min-width: 900px) {
  .form-checkbox__text {
    font-size: 16px;
  }
}
.form-checkbox__text::before, .form-checkbox__text::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.form-checkbox__text::before {
  width: 24px;
  height: 24px;
  background: #f5f5f5;
  border: 1px solid transparent;
  border-radius: 4px;
}
.form-checkbox__text::after {
  left: 5px;
  width: 14px;
  height: 9px;
  background: url(../img/contact-checked-icon.png) no-repeat center center/contain;
  opacity: 0;
}

.contact__button {
  margin-top: 27px;
  text-align: center;
}
@media screen and (min-width: 900px) {
  .contact__button {
    margin-top: 35px;
    font-size: 16px;
  }
}

.button--submit {
  font-size: 16px;
  font-weight: 700;
  background-color: rgba(78, 159, 235, 0.7137254902);
  color: #fff;
  border-color: #fff;
  text-align: center;
  display: block;
  padding-left: 10px;
  width: 200px;
  border-radius: 4px;
}
@media screen and (min-width: 900px) {
  .button--submit {
    width: 240px;
    padding-bottom: 6px;
    padding-left: 10px;
    font-size: 16px;
    border-width: 2px;
  }
}

.footer {
  text-align: center;
  padding: 10px;
}
.footer_copy {
  font-size: 11px;
  font-family: "Noto Sans JP", sans-serif;
}

/*----------------------------
//pc
-----------------------------*/
@media screen and (min-width: 768px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .main {
    -ms-flex-preferred-size: 79.2%;
        flex-basis: 79.2%;
  }
  .header {
    position: relative;
    -ms-flex-preferred-size: 20.8%;
        flex-basis: 20.8%;
    padding: 50px 20px;
  }
  .header_container {
    width: 160px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
  .header_logo {
    font-size: 30px;
    letter-spacing: 0.12em;
    line-height: 1;
  }
  .header__menu-button {
    display: none;
  }
  .header_contents {
    border: none;
    display: block;
  }
  .button {
    -webkit-transition: background 0.3s, color 0.3s, opacity 0.3s;
    transition: background 0.3s, color 0.3s, opacity 0.3s;
  }
  .button:hover {
    background-color: #fff;
  }
  .button:hover .button_icon-path {
    fill: #4a4a4a;
  }
  .button:hover .button_text {
    color: #4a4a4a;
  }
  .button--bg {
    color: #4a4a4a;
  }
  .button--bg:hover {
    opacity: 0.7;
  }
  .section_inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section_head {
    margin-bottom: 24px;
  }
  .section_head-main {
    font-size: 60px;
  }
  .fv_contents {
    background: url(../img/bg_fv.png) center center no-repeat;
    background-size: 100% auto;
    bottom: 100px;
    left: 0;
    max-width: 627px;
    height: 174px;
    padding-top: 24px;
    padding-left: 96px;
  }
  .service_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
  .service_item + .service_item {
    margin-top: 0;
  }
  .works_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
  .works_item + .works_item {
    margin-top: 0;
  }
  .about_container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
  .flow_list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .flow_item + .flow_item {
    margin-top: 0;
  }
  .message_container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .page-bottom__item {
    padding: 54px 10px;
  }
}
/*----------------------------
//tb
-----------------------------*/
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .section_head-main {
    font-size: 54px;
  }
  .fv_contents {
    bottom: 50%;
    -webkit-transform: translateY(50%);
            transform: translateY(50%);
  }
  .flow_list {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 16px;
  }
}