@font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 100;
  }
  @font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 200;
  }
  @font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 300;
  }
  @font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Medium");
    font-weight: 400;
  }
  @font-face {
    font-family: "Yu Gothic";
    src: local("Yu Gothic Bold");
    font-weight: bold;
  }
  @font-face {
    font-family: "Helvetica Neue";
    src: local("Helvetica Neue Regular");
    font-weight: 100;
  }
  @font-face {
    font-family: "Helvetica Neue";
    src: local("Helvetica Neue Regular");
    font-weight: 200;
  }

  html {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, Verdana, Meiryo, "M+ 1p", sans-serif;
  }
  @media all and (-ms-high-contrast: none)  {
    html {
      font-family: Verdana, Meiryo, sans-serif;
    }
  }
  @media all and (-ms-high-contrast: active) {
    html {
      font-family: Verdana, Meiryo, sans-serif;
    }
  }

ol, ul {
    list-style: none;
    margin: 0;
    padding: 0;
    border: 0;
}


html {
    height: 100%;
}

body {
    height: 100%;
    font-size: 14px;
}

.spacer {
    width: 100%;
    height: 100%;
}

.logo {
    width: 100%;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    z-index: -1;
}

#logo-img {
    width: 100%;
    padding: 0 30%;
}

.about,
.works,
.information,
.contact {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

#about-img,
#works-img,
#information-img,
#contact-img {
    height: 50px;
}

.text-box,
.articles {
    line-height: 24px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
    margin-bottom: 200px;
}

.articles {
    margin-bottom: 80px;
}

.articles-conteiner > .articles:last-child {
    margin-bottom: 200px;
}

.text-box p {
    margin-top: 0;
    margin-bottom: 0.2rem;
    width: 800px;
}

.mail-box {
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 30px;
}

.mail-box a {
    color: #000;
}
.mail-box a:hover {
    color: #888;
}

.copylight-box {
    display: flex;
    justify-content: center;
    align-items: center;
}

.copylight-box p {
    color: #808080;
    margin-top: 0;
    margin-bottom: 20px;
    width: 800px;
    text-align: center;
}


@media screen and (max-width:800px){
    body {
        margin: 0 14px;
    }

    #logo-img {
        width: 100%;
        padding: 0 10%;
    }
}

.article {
    width: 800px;
    max-width: 800px;
}

.article img {
    width: 100%;
    height: auto;
}

.article figure:hover img {
    filter: grayscale(100%);
    transition: 0.2s;
}


.article figure:hover figcaption {
    opacity: 1;
}

.article figure figcaption {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    transition: .4s;
    opacity: 0;
}


.article figure {
    position: relative;
    overflow: hidden;
    width: 100%;
    height: auto;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: (0,0,0,0);
}

.article h3 {
    padding-top: 30px;
    padding-left: 30px;
    padding-right: 30px;
}

.article h3 {
    margin: 0;
    color: #fff;
    line-height: 1.386;
    font-size: 24px;
    font-weight: normal;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: (0,0,0,0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

.articles-header {
    margin-top: 44px;
    margin-bottom: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.articles-title {
    width: 800px;
    max-width: 800px;

}

.header-left {
    float: left;
    font-size: 12px;
    line-height: 1.25;
    text-align: left;
}

.header-right {
    float: right;
    font-size: 12px;
    line-height: 1.25;
    text-align: right;
}

.articles-caption,
.articles-link {
    display: flex;
    justify-content: center;
}

.articles-caption p,
.articles-link div {
    width: 800px;
    max-width: 800px;
    margin: 1rem 0;
}

.movie-wrap {
    position: relative;
    padding-bottom: 56.25%; /*アスペクト比 16:9の場合の縦幅*/
    height: 0;
    max-width: 100%;
    overflow: hidden;
}

.movie-wrap iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.clearfix::after{
    content: "";
    display: block;
    clear: both;
}



.ytp-title {
    display: none;
}

.ytp-chrome-top-buttons {
    display: none;
}