@charset "UTF-8";

/* ======================================================
  全体
========================================================*/
html {
  font-size: 62.5%;
}

body {
  font-family: 'Poppins', sans-serif;
  color      : #383e45;
  font-size  : 1.4rem;
  line-height: 1.5;
}

h1 {
  font-size: 4.8rem;
}

h2 {
  font-size: 3.6rem;
}

h3 {
  font-size: 2.4rem;
}

h4,
h5,
h6 {
  font-size: 1.6rem;
}

ol, ul, dl {
  list-style-position: inside;
}

ol li {
  list-style-type: decimal;
}

ul li {
  list-style: none;
}

li::marker {
  content: none;
}

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

a:hover {
  opacity: 0.7;
}

img {
  width : 100%;
  height: 100%;
}
/* 共通＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝ */
.wrapper {
  width: 80%;
  margin-left: auto;
}

.flex {
  display: flex;
}

.sp {
  display: none;
}

.top-p {
  text-align: center;
}

/* ページトップボタン */
main {
  position: relative;
}
#page-top {
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #000;
  border: 1px solid #fff;
  position: relative;
  position: fixed;
  bottom: 50px;
  right: 50px;
}

#page-top::before {
  content: "";
  width: 20px;
  height: 20px;
  border-top: 10px solid #fff;
  border-right: 10px solid transparent;
  border-left: 10px solid transparent;
  transform: rotate(-180deg);
  position: absolute;
  top: 7px;
  right: 14px;
}

/* header============================================== */
header {
  position: fixed;
  top:0;
  left:0;
  width: 20%;
  height: 100%;
  background-color: #fff;
  padding: 2%;
}

#sitetitle {
  width: 120px;
  height: 20px;
  margin-bottom: 40px;
  text-align: center;
}

#sitetitle a {
  display:block;
  line-height: 20px;
}

#sitetitle img {
  object-fit: cover;
}

/* グローバルメニュー */
#global-nav {
  margin-bottom: 80px;
}

#global-nav li,
#sns li {
  line-height: 2.4rem;
}

/* main=============================================== */
section {
  padding-top: 160px;
}

.sec-container {
  padding: 0 10%;
  margin: 0 auto;
}

 /* キー動画 */
 #keyvideo {
  max-width: 100vw;
  height: 600px;
}

.bg-video {
  width: 100vw;
  height: 600px;
  object-fit: cover;
  position: fixed;
  top: 0;
  z-index: -20;
}

 /* 各セクション内の共通部 */
 .sec-container {
  padding: 2%;
  margin: 0 auto;
}

.title {
  margin-bottom: 30px;
  text-align: center;
  position:relative;
}

.title::before {
  content: "";
  width: 150px;
  height: 1px;
  background-color: #000;
  position: absolute;
  top: 25px;
  left: 50px;
}

.title::after {
  content: "";
  width: 150px;
  height: 1px;
  background-color: #000;
  position: absolute;
  top: 25px;
  right: 50px;
}

#project .title::before,
#project .title::after,
#feature .title::before,
#feature .title::after
 {
  background-color: #fff;
}

/* project */
#project {
  background: linear-gradient(rgba(0,0,0,0),rgba(0,0,0,0.8));
  color: #fff;
}
.project-content.flex {
  flex-wrap: wrap;
  justify-content: space-between;
  width: 100%;
}

.project-content li {
  width: 48%;
  position: relative;
  border: 1px solid #fff;
  margin-bottom: 30px;
}

.project-content li::after {
  content: "";
  box-shadow: 0 0 15px #2e2e2e inset;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

/* feature */
#feature {
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 160px 0;
  margin-top: 0;
}

.feature-content.flex {
  justify-content: space-between;
}

.ft-item {
  width: 30%;
  text-align: center;
}

.ft-circle a{
  display: block;
  width: 100%;
  padding: calc(50% - 1.4rem - 1px) 0;
  border: 1px solid #fff;
  border-radius: 50%;
}

.ft-title {
  font-weight: bold;
  padding: 2%;
}

/* flow */
#flow,
#contact {
  background-color: #fff;
}

.top-p {
  margin-bottom: 60px;
}

.flow-content .flex {
  justify-content: space-between;
}

.flow-left {
  width: 25%;
}

.flow-chart {
  position: relative;
}

.flow-chart::before {
  content:"";
  width: 50px;
  height: 600px;
  background-color:#FFDD00;
  position: absolute;
  top:0;
  left:0;
  right:0;
  margin: 0 auto;
}

.flow-chart li {
  width: 100%;
  height: 80px;
  text-align: center;
  color: #fff;
  background-color: #000;
  line-height: 80px;
  margin-bottom: 60px;
  position: relative;
}

.flow-chart li::after {
  content: "";
  width: 100%;
  height: 30px;
  border-top: 30px solid #000;
  border-right: 118px solid transparent;
  border-left: 118px solid transparent;
  position: absolute;
  top: 80px;
  left:0;
}

.flow-desc {
  width: 80%;
  margin-left:85px;
}

.flow-desc-item {
  height: 110px;
  margin-bottom: 30px;
}

.flow-desc dt {
  border-bottom: 1px solid #000;
  position: relative;
}

.flow-desc span {
  display: inline-block;
  width: 35px;
  height: 35px;
  background-color: #000;
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 35px;
  margin-right: 10px;
  position: absolute;
  top: 0;
  left: -50px;
}
/* contact */
#contact {
  padding-bottom: 160px;
}

.contact-item.flex {
  flex-wrap: wrap;
  justify-content: space-between;
}
.ct-box {
  width: 30%;
  height:190px;
  border: 1px solid #000;
  position: relative;
  text-align: center;
}

.ct-box:hover {
  border: 5px solid #000;
}
.ct-box::after {
  content: "";
  width: 20px;
  height: 20px;
  transform: rotate(-45deg);
  border-top: 20px solid #000;
  border-right: 20px solid transparent;
  border-left: 20px solid transparent;
  position: absolute;
  bottom:0;
  right:-10px;
}

.ct-box a {
  display: inline-block;
  width: 100%;
  line-height:50px;
  padding: 10% 0;
}

.ct-box span {
  display: block;

}
.ct-box .material-icons {
  font-size: 10rem;
}
/* footer============================================= */
footer {
  padding-top: 160px;
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 3%;
}

#footer-nav {
  margin-bottom: 60px;
}

#footer-nav .flex {
  flex-wrap: wrap;
}

#footer-nav ul.flex{
  justify-content: center;
}

#footer-nav li {
  border-right: 1px solid;
  padding: 0 2%;
}

#footer-nav li:last-child {
  border-right: none;
}