@charset "UTF-8";
/* リセットCSS
===================================== */
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, button, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
  border: 0;
  font: inherit;
  font-size: 100%;
  margin: 0;
  padding: 0;
  vertical-align: baseline;
}

html {
  line-height: 1;
}

ol, ul {
  list-style: none;
}

li, dd {
  list-style-type: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

caption, th, td {
  font-weight: normal;
  text-align: left;
  vertical-align: middle;
}

q, blockquote {
  quotes: none;
}

q:before, q:after {
  content: "";
  content: none;
}

blockquote:before, blockquote:after {
  content: "";
  content: none;
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section, summary {
  display: block;
}

img {
  border: none;
  vertical-align: bottom;
}

/* 基本設定
  ===================================== */
*,
*::before,
*::after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
}

body {
  background-color: white;
  color: #24292E;
  font-family: "游ゴシック", YuGothic, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, "Droid Sans", sans-serif;
  line-height: 1.45;
  font-weight: 500;
}

a {
  cursor: pointer;
  text-decoration: none;
}

@media (max-width: 767px) {
  .is-pc {
    display: none;
  }
}

@media (min-width: 768px) {
  .is-sp {
    display: none;
  }
}

.section-title {
  font-size: 3.6rem;
  font-weight: bold;
  text-align: center;
  font-family: "Montserrat", sans-serif;
}

@media (max-width: 767px) {
  .section-title {
    font-size: 3.0rem;
  }
}

.section {
  margin: 120px auto 0;
}

.header {
  height: 270px;
  width: 780px;
  max-width: 100%;
  margin: 0 auto;
  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: white;
}

@media (max-width: 767px) {
  .header {
    height: 80px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 100;
  }
}

.header-title {
  font-size: 3.4rem;
  color: #24292E;
  font-family: "Montserrat", sans-serif;
}

@media (max-width: 767px) {
  .header-title {
    font-size: 24px;
  }
}

.header-navi {
  height: 100%;
  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;
  position: relative;
}

@media (min-width: 768px) {
  .header-lists {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}

@media (max-width: 767px) {
  .header-lists {
    background: white;
    position: fixed;
    top: 0;
    bottom: 0;
    right: -310px;
    width: 300px;
    font-size: 1.8rem;
    color: #24292E;
    text-align: center;
    z-index: 100;
    padding-top: 60px;
    -webkit-transition: right .3s ease 0s;
    transition: right .3s ease 0s;
  }
  .is-active .header-lists {
    right: 0;
  }
}

@media (min-width: 768px) {
  .header-list {
    margin-left: 30px;
  }
}

@media (max-width: 767px) {
  .header-list:nth-child(1) {
    border-top: 1px solid #ccc;
  }
}

.header-list a {
  color: #24292E;
  font-size: 1.8rem;
  display: block;
}

@media (min-width: 768px) {
  .header-list a {
    padding: 20%;
  }
}

@media (max-width: 767px) {
  .header-list a {
    border-bottom: 1px solid #ccc;
    padding: 10px 0;
    margin: 0 auto;
  }
}

.header-list img {
  width: 20px;
}

.header-burger {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  cursor: pointer;
  border: none;
  padding: 0;
  outline: none;
  background: transparent;
  z-index: 100;
}

@media (max-width: 767px) {
  .header-burger {
    display: block;
    top: 50%;
    right: 0px;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    position: absolute;
    width: 26px;
    height: 20px;
    content: "";
  }
  .is-active .header-burger {
    -webkit-transform: translateX(-300px);
            transform: translateX(-300px);
  }
}

@media (max-width: 767px) {
  .header-burger-bar {
    background: #24292E;
    display: block;
    width: 26px;
    height: 3px;
    position: absolute;
    left: 0;
    z-index: 100;
  }
  .header-burger-bar:nth-child(1) {
    top: 2px;
  }
  .header-burger-bar:nth-child(2) {
    top: 10px;
  }
  .header-burger-bar:nth-child(3) {
    top: 18px;
  }
  .is-active .header-burger-bar {
    background-color: white;
  }
  .is-active .header-burger-bar:nth-child(1) {
    top: 10px;
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
  }
  .is-active .header-burger-bar:nth-child(2) {
    left: 100%;
    opacity: 0;
  }
  .is-active .header-burger-bar:nth-child(3) {
    top: 10px;
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
  }
}

.header-overlay {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.7);
  visibility: hidden;
  opacity: 0;
}

.is-active .header-overlay {
  opacity: 1;
  visibility: visible;
}

.main-visual {
  position: relative;
  height: 470px;
  width: 100%;
}

.main-visual::after {
  position: absolute;
  background: url(/img/img/main-pc.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  content: "";
  width: 100%;
  left: 0;
  top: 0;
  height: 470px;
}

@media (max-width: 767px) {
  .main-visual::after {
    background-position: center left;
  }
}

.section {
  margin: 120px auto 0;
}

@media (max-width: 767px) {
  .section {
    margin: 60px auto 0;
  }
}

.inner {
  width: 960px;
  max-width: 100%;
  padding: 0 4%;
}

.about-items {
  margin-top: 60px;
}

@media (max-width: 767px) {
  .about-items {
    margin-top: 30px;
  }
}

.about-item {
  font-size: 1.6rem;
  display: block;
  line-height: 1.6875;
}

@media (max-width: 767px) {
  .about-item {
    font-size: 1.4rem;
  }
}

.about-item:nth-child(3), .about-item:nth-child(4), .about-item:nth-child(5) {
  margin-top: 24px;
}

.works-items {
  margin-top: 60px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

@media (max-width: 767px) {
  .works-items {
    margin-top: 30px;
  }
}

.works-items li {
  margin-bottom: 30px;
  width: 100%;
}

@media (min-width: 768px) {
  .works-items li {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 30%;
            flex: 0 0 30%;
  }
}

.works-items li img {
  width: 100%;
  max-width: 100%;
}

.news-content {
  margin-top: 60px;
}

@media (max-width: 767px) {
  .news-content {
    margin-top: 30px;
  }
}

.news-item {
  font-size: 1.6rem;
  border-bottom: 1px solid #ccc;
}

.news-item:nth-child(n + 2) {
  margin-top: 20px;
}

.news-item-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  color: #24292E;
  -webkit-transition: opacity .3s;
  transition: opacity .3s;
  position: relative;
  padding: 20px 83px 20px 35px;
}

@media (max-width: 767px) {
  .news-item-link {
    padding: 20px 60px 20px 20px;
  }
}

.news-item-link::after {
  position: absolute;
  content: "";
  width: 14px;
  height: 14px;
  top: 50%;
  right: 26px;
  border-top: 2px solid #24292E;
  border-right: 2px solid #24292E;
  -webkit-transform: translateY(-50%) rotate(45deg);
          transform: translateY(-50%) rotate(45deg);
}

.news-item-link:hover {
  opacity: .2;
}

.news-item-time {
  -webkit-box-flex: 0;
      -ms-flex: 0 0  15%;
          flex: 0 0  15%;
}

.news-item-title {
  -webkit-box-flex: 0;
      -ms-flex: 0 1 75%;
          flex: 0 1 75%;
}

@media (max-width: 767px) {
  .news-item-title {
    padding-left: 20px;
  }
}

.contact {
  margin: 0 auto;
  width: 960px;
  max-width: 100%;
  padding: 120px 4%;
}

.contact button {
  margin: 30px auto 0;
  text-align: center;
  font-size: 1.8rem;
  color: white;
  background: #24292E;
  width: 180px;
  max-width: 100%;
  height: 40px;
  text-align: center;
  display: block;
  border-radius: 4%;
}

@media (max-width: 767px) {
  .contact button {
    margin-top: 30px;
  }
}

.contact-form {
  padding: 60px 4% 60px;
}

@media (max-width: 767px) {
  .contact-form {
    padding: 30px 16px 60px;
  }
}

@media (min-width: 768px) {
  .contact-item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
}

.contact-item:nth-child(n + 2) {
  margin-top: 20px;
}

@media (max-width: 767px) {
  .contact-item:nth-child(n + 2) {
    padding-top: 30px;
  }
}

@media (min-width: 768px) {
  .contact-item dt {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 180px;
            flex: 0 0 180px;
    padding-left: 30px;
  }
}

@media (min-width: 768px) {
  .contact-item dd {
    -webkit-box-flex: 0;
        -ms-flex: 0 1 100%;
            flex: 0 1 100%;
  }
}

.contact-item input[type="text"], .contact-item input[type="email"] {
  border: none;
  border-bottom: 1px solid #ddd;
  font-size: 1.6rem;
  font-weight: 400;
  letter-spacing: .2rem;
  width: 100%;
  padding: 3px 12px 2px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.contact-item textarea {
  border: none;
  border: 1px solid #ccc;
  width: 100%;
  min-height: 200px;
  resize: vertical;
  outline: none;
}

.contact-label {
  font-size: 1.6rem;
}

@media (min-width: 768px) {
  .contact-label {
    -webkit-box-flex: 0;
        -ms-flex: 0 0 180px;
            flex: 0 0 180px;
  }
}

.contact-input {
  -webkit-box-flex: 0;
      -ms-flex: 0 1 100%;
          flex: 0 1 100%;
}

@media (max-width: 767px) {
  .contact-input {
    padding-top: 10px;
  }
}

.footer {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 60px;
  font-size: 1.4rem;
  color: white;
  background: #24292E;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.to-top {
  position: fixed;
  bottom: 65px;
  right: 24px;
  width: 60px;
  height: 60px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.to-top.is-active {
  visibility: visible;
  opacity: 1;
}

.to-top a {
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}

.to-top a :hover {
  opacity: .3;
}

.to-top a img {
  width: 60px;
}