@charset "UTF-8";

@import url('https://fonts.googleapis.com/css2?family=M+PLUS+2:wght@300&display=swap');


body {
  font-family: 'M PLUS 2', "Helvetica Neue", "Arial", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", "sans-serif";
}

.logo {
  margin-top: 40px;
  width: 400px;
}


/* common */
.wrapper {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 4%;
}


.page-header {
  display: flex;
  justify-content: space-between;
  padding-top: 10px;
  padding-bottom: 10px;
}

nav {
  display: flex;
  align-items: center;
}

.sns-nav {
  display: flex;
  flex-direction: column;
  margin-right: 10px;
}

.sns {
  display: flex;
  flex-direction: row-reverse;
}

.twitter {
  width: 50px;
  padding-top: 5px;
  padding-left: 20px;
}

.facebook {
  width: 50px;
}

.ishin {
  margin-top: 30px;
  width: 250px;
}

.profile {
  margin-top: 10px;
  margin-right: 10px;
  width: 100%;
}

.menu {
  display: flex;
  justify-content: space-between;
  background-color: black;
  text-align: center;
  border-top: 4px solid;
  border-color: lightblue;
}

.menu-list {
  list-style: none;
}

.menu-list a {
  display: block;
  color: white;
  padding: 10px;
  text-decoration: none;
  display: block;
}

.menu li {
  /*padding: 5px;*/
  /*width: calc(100% / 9);*/
}

.menu li:hover {
  background-color: lightblue;
}

.main-text {
  text-align: center;
  margin-top: 3%;
  display: flex;
  align-items: center;
}

.main-text {
  position: absolute;
  bottom: 50px;
}

.big-bg {
  position: relative;
  margin-top: 30px;
  margin-bottom: 30px;
  max-width: 1200px;
  background-position: center top;
  background-repeat: no-repeat;
}

.main-content {
  padding-top: 40px;
  width: 50%;
  font-size: 30px;
}

.main2 {
  display: flex;
  justify-content: center;
}

.volunteer {
  display: flex;
  justify-content: center;
}

.side-article {
  width: 50%;
  font-size: 30px;
}

.main {
  display: flex;
  justify-content: space-between;
  margin-bottom: 50px;
}

footer {
  background: #0099FF;
  text-align: left;
  padding: 30px 20px;
  margin-top: 80px;
}

footer p {
  color: white;
  font-size: 0.9rem;
}

footer h3 {
  color: white;
  font-size: 30px;
}

footer h4 {
  color: white;
  font-size: 30px;
  padding-bottom: 50px;
}

.proposal h4 {
  font-size: 50px;
  color: green;
}

.proposal h5 {
  font-size: 10px;
  color: green;
}

.side-article h3 {
  position: relative;
}

/*.side-article h3::after{
  content: "";
  display: block;
  width: 100px;
  height: 3px;
  background: linear-gradient(to right,green,lightblue);
  position: absolute;
  margin: 0 auto;
  bottom: 0;
  left: 0;
}*/

.new-topix {
  padding-top: 30px;
  position: relative;
  top: 0px;
  margin-bottom: 20px;
  margin-right: 30px;
}

.new-topix h3 {
  position: relative;
}

.new-topix h3::after{
  content: "";
  display: block;
  width: 180px;
  height: 3px;
  background: linear-gradient(to right,blue,red);
  position: absolute;
  margin: 0 auto;
  bottom: 0;
  left: 0;
}

.shibuya {
  font-family: "Arial";
  font-size: 40px;
  border-bottom: solid 2px green;
}

.shibuya5 {
  padding-top: 40px;
  padding-bottom: 40px;
  width: 400px;
}

.ishinlink {
  font-family: "Arial";
  font-size: 35px;
}

.ishinlogo {
  width: 400px;
}

.prodai {
  font-family: "Arial";
  font-weight: bold;
  font-size: 30px;
  border-bottom: solid 2px green;
}

.whatdoyou h3 {
  position: relative;
}

.whatdoyou h3::after{
  content: "";
  display: block;
  width: 100px;
  height: 3px;
  background: linear-gradient(to right,yellow,green);
  position: absolute;
  margin: 0 auto;
  bottom: 0;
  left: 0;
}

.slider {
  width: 700px;
    height: 500px;
    overflow: hidden;
    margin: 0 auto;

}
.slider-item {
  width: 700px;
  float: left;
}

img{
  width:100%;
}

.slider-inner {
  width: 400%;
  animation: slider 10s infinite ease;
}

@keyframes slider {
  0% {
  transform: translateX(0);
  }
  25% {
  transform: translateX(-700px);
  }
  50% {
  transform: translateX(-1400px);
  }
  75% {
  transform: translateX(-2100px);
  }
  100% {
  transform: translateX(0);
  }
}

.hidden_box {
    margin: 2em 0;/*前後の余白*/
    padding: 0;
}

/*ボタン装飾*/
.hidden_box label {
    padding: 15px;
    font-weight: bold;
    border: solid 2px black;
    cursor :pointer;
    margin-left: auto;
    margin-right: auto;
}

/*ボタンホバー時*/
.hidden_box label:hover {
    background: #efefef;
}

/*チェックは見えなくする*/
.hidden_box input {
    display: none;
}

/*中身を非表示にしておく*/
.hidden_box .hidden_show {
    height: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
    transition: 0.8s;
}

/*クリックで中身表示*/
.hidden_box input:checked ~ .hidden_show {
    padding: 10px 0;
    height: auto;
    opacity: 1;
}