@charset "UTF-8";
body {
  font-family: "Fira Sans", "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 0 6px 24px;
  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__text {
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.header {
  background-color: #4a4a4a;
  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: 20px;
  right: 24px;
  width: 30px;
  height: 36px;
  overflow: hidden;
  color: transparent;
  background: url(../img/bg_menu.png) center center no-repeat;
  background-size: 100% auto;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.header__menu-button.is-checked {
  background: url(../img/bg_menu-close.png) center center no-repeat;
  background-size: 100% auto;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.header__contents {
  display: none;
  height: 100vh;
  border-top: 1px solid #fff;
  padding-top: 60px;
}

.header__nav-item + .header__nav-item {
  margin-top: 24px;
}

/* ===============================================
# fv
=============================================== */
.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: 16px;
}

.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
}

.section__contents {
  margin-top: 40px;
}

.service {
  background-color: #fafafa;
}
.service__item {
  background: #fff;
  -webkit-box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
          box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.5);
}
.service__item + .service__item {
  margin-top: 40px;
}

.service__item-img {
  text-align: center;
  margin-bottom: 14px;
}

.service__item-name {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.service__item-text {
  font-size: 14px;
  line-height: 1.6;
  padding: 0 8px 15px 8px;
}

.works__item + .works__item {
  margin-top: 40px;
}

.works__item-img {
  margin-bottom: 12px;
}

.works__item-img a:hover img {
  -webkit-transform: scale(1.1);
          transform: scale(1.1); /* 画像を10%大きくする */
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease; /* スムーズな変化を実現 */
}

.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: 18px;
  font-weight: bold;
  margin-bottom: 6px;
}

.works__item-pw {
  font-size: 16px;
  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 dl dt {
  font-size: 20px;
  color: #6f6f6f;
}
.about__text dl dd {
  font-size: 16px;
  margin-bottom: 10px;
  border-bottom: 1px solid #000;
  color: #000;
  line-height: 1.6;
  padding: 5px 0 7px 20px;
}

.message {
  background-color: #fafafa;
}
.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;
}

.page-bottom {
  color: #fff;
}

.page-bottom__item {
  padding: 40px;
}

.page-bottom__item--contact {
  background-color: #6f6f6f;
}

.page-bottom__item--twitter {
  background-color: #4a4a4a;
}

.footer {
  text-align: center;
  padding: 10px;
}

.footer__copy {
  font-size: 11px;
  font-family: "Noto Sans JP", sans-serif;
}

.to-top {
  position: fixed;
  right: 10px;
  bottom: 30px;
  background: url(../img/icon-top.svg) center/cover no-repeat;
  width: 40px;
  height: 40px;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
  z-index: 30;
  opacity: 0;
}

.to-top.is-show {
  opacity: 1;
  visibility: visible;
}
.to-top.is-show:hover {
  opacity: 0.7;
}

/* ===============================================
# 
=============================================== */
/*--------------------------
  // pc
  --------------------------*/
/* ===============================================
  # 
  =============================================== */
@media screen and (min-width: 768px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .main {
    -ms-flex-preferred-size: 77%;
        flex-basis: 77%;
  }
  .header {
    position: relative;
    -ms-flex-preferred-size: 23%;
        flex-basis: 23%;
    padding: 50px 20px;
  }
  .header .header__container {
    width: 160px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
  .header .header__logo {
    font-size: 30px;
    letter-spacing: 0.12em;
    line-height: 1;
    padding: 14px 0;
  }
  .header .header__menu-button {
    display: none;
  }
  .header .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 .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section .section__head {
    margin-bottom: 24px;
  }
  .section .section__head-main {
    font-size: 60px;
  }
  .fv .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: 1fr 1fr 1fr;
    gap: 8%;
  }
  .service__item + .service__item {
    margin-top: 0;
  }
  .works__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 70px 50px;
  }
  .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;
  }
  .about__img {
    width: 50%;
  }
  .about__text-contents {
    width: 50%;
  }
  .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;
  }
  .message__img {
    width: 50%;
  }
  .message__text-contents {
    width: 50%;
  }
  .page-bottom .page-bottom__item {
    padding: 54px 10px;
  }
}
.to-top {
  right: 20px;
  bottom: 40px;
}

/*--------------------------
    // tb
    --------------------------*/
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .section .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;
  }
}
/* ===============================================
# 
=============================================== */
/* ===============================================
# contact
=============================================== */
/* ===============================================
# 
=============================================== */
.contact {
  padding: 50px 20px;
}
@media screen and (min-width: 768px) {
  .contact {
    padding: 60px 40px;
  }
}

.contact-body {
  background: #fff;
  border-radius: 0px 0px 12px 12px;
}

.contact-form {
  padding: 0;
}
@media screen and (min-width: 768px) {
  .contact-form {
    padding: 60px 120px 60px 0;
  }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .contact-form {
    padding: 0;
  }
}

.contact-item {
  display: block;
  margin-bottom: 28px;
}
@media screen and (min-width: 768px) {
  .contact-item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}

.contact-form-label {
  font-weight: bold;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
@media screen and (min-width: 768px) {
  .contact-form-label {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 188px;
            flex: 0 0 188px;
  }
}

.is-required {
  position: relative;
}
.is-required::after {
  content: "必須";
  color: #fff;
  background: #ff4646;
  padding: 0 6px;
  position: absolute;
  right: -59px;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: 1.3px;
}
@media screen and (min-width: 768px) {
  .is-required::after {
    padding: 2px 8px;
    right: -52px;
    letter-spacing: normal;
  }
}

.contact-form-input {
  width: 100%;
  margin-top: 6px;
}
.contact-form-input input[type=text], .contact-form-input input[type=email] {
  width: 100%;
  border: none;
  border-bottom: 1px solid #3e3e3e;
  padding: 0 0 3px 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
  opacity: 0.5;
  font-size: 14px;
}
.contact-form-input input[type=text]:hover, .contact-form-input input[type=text]:focus, .contact-form-input input[type=email]:hover, .contact-form-input input[type=email]:focus {
  border-color: #4973ff;
  -webkit-box-shadow: 0px 5px 4px rgba(73, 115, 255, 0.5019607843);
          box-shadow: 0px 5px 4px rgba(73, 115, 255, 0.5019607843);
  outline: none;
}

.contact-message-item {
  display: block;
  margin-bottom: 27px;
}

.contact-form-textarea {
  width: 100%;
}
.contact-form-textarea textarea {
  width: 100%;
  height: 157px;
  margin-top: 12px;
}
.contact-form-textarea textarea:hover, .contact-form-textarea textarea:focus {
  border-color: #4973ff;
  -webkit-box-shadow: 0px 0px 8px rgba(73, 115, 255, 0.5019607843);
          box-shadow: 0px 0px 8px rgba(73, 115, 255, 0.5019607843);
  outline: none;
}

.contact-btn {
  margin-top: 27px;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .contact-btn {
    margin-top: 27px;
    text-align: center;
    margin-top: 40px;
  }
}
.contact-btn button {
  padding: 11px 50px;
  font-size: 18px;
  font-weight: bold;
  border-radius: 10px;
}
.contact-btn button:disabled {
  background: #b2b2b2;
}

.contact-submit-message {
  text-align: center;
  padding: 60px 0;
  display: none;
  font-weight: bold;
  font-size: 20px;
}
.contact-submit-message.-error {
  color: red;
}