html {
}

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

li {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  width: 100%;
  /* height: auto; */
  vertical-align: bottom;
}
.wrapper-1140 {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 4%;
}

.header {
  width: 100%;
  height: 60px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  background-color: #4a4a4a;
  padding: 0 20px;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
}
.header_logo {
  width: 100%;
  color: #eee;
}
.header_logo a {
  display: block;
}

.header_nav .menu-list {
  display: flex;
  align-items: center;
}
.header_nav .menu-list li {
  font-size: 18px;
  color: #eee;
  padding: 10px 0;
}

.menu-list a {
  text-transform: uppercase;
  display: block;
  padding: 10px 20px;
}

.menu-list a:hover {
  background-color: #fff;
  color: #6f6f6f;
}

.header_nav.active {
  /* right: 0; */
  transform: translateX(-100%);
}

.fv {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  height: 100vh;
  background: url(../img/cyanion.webp) center center no-repeat;
  background-size: cover;
}
.fv_contents {
  position: absolute;
  bottom: 20%;
  left: 0;
  width: 100%;
  height: 210px;
  background: url(../img/sp/bg_fv.png) center center no-repeat;
  background-size: 100% auto;
  padding: 32px;
  opacity: 0;
  transform: translateX(-100%);
  animation: slide 1s forwards;
}
@keyframes slide {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
    transform: translate(0);
  }
}

.fv_title-main {
  display: block;
  font-size: 32px;
  letter-spacing: 0.1em;
}
.fv_title-sub {
  display: block;
  margin-top: 12px;
  font-size: 18px;
}
/*------------------------
	 スクロール 矢印
	------------------------*/
.btn {
  position: relative;
  padding-top: 80px;
  color: #fff;
  font-weight: bold;
  letter-spacing: 2px;
  bottom: -28%;
}
@media (max-width: 767px) {
  .btn {
    bottom: -33%;
  }
}
.btn span {
  position: absolute;
  top: 30px;
  left: 50%;
  width: 26px;
  height: 26px;
  margin-left: -13px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
  animation: sdb 2s infinite;
}
@keyframes sdb {
  0% {
    transform: rotate(-45deg) translate(0, 0);
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    transform: rotate(-45deg) translate(-15px, 15px);
    opacity: 0;
  }
}

.section {
  padding: 48px 0;
  margin: 80px auto;
}
.section_inner {
  padding: 0 32px;
}
.section_head {
  margin-bottom: 32px;
}
.section_head--center {
  text-align: center;
}
.section_head-main {
  display: block;
  letter-spacing: 0.1em;
  font-size: 40px;
  text-transform: uppercase;
}
.section_head-sub {
  display: block;
  font-size: 11px;
}
.section_contents {
  margin-top: 40px;
}
.section_text {
  font-size: 16px;
  line-height: 1.6;
}

.service_item + .service_item {
  margin-top: 40px;
}
.service_item-img {
  text-align: center;
  margin-bottom: 14px;
}
.service_item-img img {
  max-width: 100px;
}
.service_title {
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}
.service_text {
  font-size: 14px;
  line-height: 1.6;
}

/*-------------
works section
-------------*/

.works {
  /* background-color: #fafafa; */
}
.swiper {
  overflow: visible;
}
.swiper-slide {
  transition: opacity 0.3s ease;
}

/* Swiperがホバーされた時 → 全部薄くする */
.swiper:hover .swiper-slide {
  opacity: 0.5;
}

/* ただし、ホバー中のスライドだけは戻す */
.swiper:hover .swiper-slide:hover {
  opacity: 1;
}
.works_item + .works_item {
  margin-top: 40px;
}
@media (max-width: 768px) {
  .big {
    display: none;
  }
}
.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-title {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 6px;
}
.works_item-link {
  text-decoration: underline;
  font-size: 14px;
}
/*-------------
about
-------------*/
.about_img {
  margin-bottom: 32px;
}
.fadein-right {
  opacity: 0;
  transform: translateX(100%);
  transition: all 1.5s;
}
.fadein-right.is-show {
  transform: translateX(0);
  opacity: 1;
}

.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);
  border-radius: 8px;
}

.fadein-left {
  opacity: 0;
  transform: translateX(-100%);
  transition: all 1.5s;
}
.fadein-left.is-show {
  opacity: 1;
  transform: translateX(0);
}
.about_text {
  font-size: 16px;
  line-height: 1.6;
}
.about_text + .about_text {
  margin-top: 1em;
}

/*-------------
form
-------------*/
.contact-border {
  /* border-bottom: 1px solid #333; */
  padding: 40px 0 20px;
}

.form-area {
  max-width: 960px;
  padding: 0 20px;
  margin: 60px auto;
}
.form-area .item {
  display: flex;
  font-size: 15px;
  margin-bottom: 10px;
}
.form-area dl {
  margin-bottom: 40px;
}
.item dt {
  width: 250px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #333;
  padding: 60px 20px;
}
.item dt .require {
  border: 1px solid #df4440;
  color: #df4440;
  font-size: 10px;
  font-weight: 500;
  padding: 2px 5px;
}
.item dd {
  width: calc(100% - 250px);
  background-color: #fff;
  /* display: flex;
  align-items: center; */
  padding: 40px 20px;
}
.item dd input[type="text"],
.item dd input[type="email"] {
  width: 100%;
  border: 1px solid #000;
  padding: 20px;
}
.item dd textarea {
  width: 100%;
  border: 1px solid #000;
  background-color: #fff;
  padding: 20px;
}
.btn-submit {
  width: 160px;
  height: 50px;
  background-color: #1f1f1f;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin: 10px auto 0;
}
.btn-submit:hover {
  background-color: #aaa;
}

/* エラーメッセージ */
span.caution {
  display: block;
  color: #c66c6e;
  font-size: 0.8rem;
  font-weight: 500;
  margin-top: 10px;
}

/* 入力内容確認ページ・thanksページ */
/* .confirm p,
.thanks p:last-child {
  background-color: rgb(232, 240, 254);
  padding: 0.4rem 1rem;
} */
.confirm {
  text-align: center;
}
.confirm p {
  display: inline-block;
  padding: 10px;
}
.confirm div {
  font-size: 25px;
  border-bottom: dashed;
  margin-bottom: 20px;
  padding: 10px;
}
.confirm div.btn {
  padding-bottom: 0;
  border: none;
}
.thanks {
  text-align: center;
  padding-bottom: 100px;
}
.thanks_text {
  font-size: 24px;
}
.thanks p {
  margin-bottom: 48px;
}
.thanks_btn {
  display: inline-block;
  margin-top: 50px;
  background-color: #333;
  padding: 10px 20px;
}

/* 戻るボタン */
.confirm button[name="btn_back"] {
  background-color: #333;
  margin-right: 3.6rem;
  padding: 10px 20px;
  color: #fff;
}
.btn_color {
  color: #fff;
  background: #333;
  padding: 10px 20px;
}

.thanks_btn:hover,
.btn_color:hover,
.confirm button[name="btn_back"]:hover {
  background-color: #aaa;
}

@media (min-width: 800px) {
  .confirm button[name="btn_back"] {
    margin-right: 2rem;
  }
}

/*-------------
sp用form
-------------*/
@media (max-width: 600px) {
  .form-area {
    margin: 0 auto 60px;
  }
  .item {
    flex-direction: column;
    margin-bottom: 40px;
  }
  .item dt {
    width: 100%;
    padding: 20px;
  }
  .item dd {
    width: 100%;
    padding: 15px;
    margin-bottom: 30px;
  }
}

/*-------------
ボタントップ
-------------*/
.pagetop {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: #333;
  color: #fff;
  font-size: 14px;
  line-height: 1.4;
  cursor: pointer;
  position: fixed;
  right: 6%;
  bottom: 80px;
}
.pagetop::before {
  content: "";
  position: absolute;
  margin: auto;
  top: 3px;
  right: 0;
  bottom: 0;
  left: 0;
  display: block;
  width: 14px;
  height: 14px;
  border-left: 3px solid #fff;
  border-top: 3px solid #fff;
  transform: rotate(45deg);
}

.pagetop:hover {
  opacity: 0.7;
  background-color: #000;
}

.pagetop.hide {
  display: none;
}
.page-bottom {
  color: #fff;
}
#contact {
  background-color: #6f6f6f;
  padding: 20px;
}
.page-bottom_item--contact {
  background-color: #6f6f6f;
  padding: 20px;
  text-align: center;
}
.button:hover {
  background-color: #fff;
}
.button_icon-path {
  fill: #fff;
}
.button:hover .button_icon-path {
  fill: #4a4a4a;
}
.button_text {
  font-size: 30px;
}
.button:hover .button_text {
  color: #4a4a4a;
}
.button--border {
  border: 1px solid #fff;
  padding: 15px 20px 6px;
}
/* .page-bottom a {
  border: 1px solid #fff;
} */

.footer {
  text-align: center;
  padding: 10px;
}
.footer_copy {
  color: #333;
  font-size: 12px;
  font-family: "Noto Sans JP", sans-serif;
}

/*-------------
スマホハンバーガー
-------------*/
@media (max-width: 767px) {
  .header_hamburger {
    width: 50px;
    height: 50px;
    cursor: pointer;
    position: fixed;
    top: 5px;
    right: 10px;
    z-index: 30;
  }
  .header_hamburger span {
    width: 30px;
    height: 3px;
    background-color: #fff;
    display: inline-block;
    position: absolute;
    left: 10px;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
  }
  .header_hamburger span:nth-of-type(1) {
    top: 16px;
  }
  .header_hamburger span:nth-of-type(2) {
    top: 26px;
  }
  .header_hamburger span:nth-of-type(3) {
    top: 36px;
  }
  .header_hamburger.active span:nth-of-type(1) {
    top: 24px;
    transform: rotate(-45deg);
  }
  .header_hamburger.active span:nth-of-type(2) {
    opacity: 0;
  }
  .header_hamburger.active span:nth-of-type(3) {
    top: 24px;
    transform: rotate(45deg);
  }
  .header_nav {
    width: 80%;
    height: 100vh;
    background-color: #6f6f6f;
    position: fixed;
    top: 0;
    right: -80%;
    z-index: 20;
    -webkit-transition: all 0.6s;
    transition: all 0.6s;
  }
  .header_nav .menu-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    gap: 20px;
    width: 100%;
    height: 100vh;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
    padding: 60px 0;
    overflow: auto;
  }
  .header_nav .menu-list li {
    font-size: 24px;
    color: #eee;
    padding: 10px 0;
  }
}

/*------------------------
pc
--------------------------*/
@media screen and (min-width: 768px) {
  .wrapper {
    width: 100%;
  }
  .section_inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section_head {
    margin-bottom: 24px;
  }
  .section_head-main {
    font-size: 60px;
  }
  .header {
    width: 100%;
    height: 60px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
    background-color: #4a4a4a;
    padding: 0 20px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10;
  }
  .fv {
    background: url(../img/cyanion2.webp) center center no-repeat;
    background-size: cover;
  }
  .fv_contents {
    background: url(../img/bg_fv.png) center center no-repeat;
    background-size: 100% auto;
    bottom: auto;
    left: 5%;
    max-width: 630px;
    height: 175px;
    padding-top: 24px;
    padding-left: 96px;
  }

  .service_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }

  .works_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
  .works_item-img {
    overflow: hidden;
    border-radius: 16px;
  }
  .works_item-img img {
    height: 165px;
    transition: all 0.3s ease-in-out;
  }
  .works_item-img:hover img {
    transform: scale(1.2);
  }
  .works_item + .works_item {
    margin: 0;
  }
  .about_container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    align-items: center;
    -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: 20px;
  }
  .flow_item + .flow_item {
    margin: 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;
  }
}
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .section_head-main {
    font-size: 54px;
  }
}