@charset "UTF-8";
/* CSS Document */

/*-----------------
common
-----------------*/
*, *:before, *:after {
  margin:0;
  padding:0;
  box-sizing:border-box;
  border:0;
  outline:0
}
html {
  font-size: 62.5%;
}
body {
  line-height: 1.75;
  font-size: 16px;
  font-size: 1.6rem;
  color: #333;
  font-family: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", "Helvetica Neue", Helvetica, Arial, sans-serif;
  animation: contentsfadeIn 2s ease 0s 1 normal;
  -webkit-animation: contentsfadeIn 2s ease 0s 1 normal;
}
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
a {
  text-decoration: none;
  color: #000;
  transition: all 0.3s 0s;
}
a:hover,
a:focus {
  text-decoration: none;
  outline: none;
  opacity: .7;
}
ul,ol,li {
  list-style: none;
}
#container {
  background-color: #fcd044;
}

/*-----------------
header
-----------------*/
header {
}
#header_summary {
  background-color: #fff;
  padding: 1.5em 2em;
  position: relative;
}
.co_logo {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 2em;
  margin: auto;
  display: flex;
  align-items: center;
}
.co_name {
  text-align: center;
  font-size: 18px;
  font-size: 1.8rem;
  font-weight: bold;
}
.header_imageWrap {
  padding: 0 2em;
}
.header_image {
  position: relative;
  background-color: #fff;
  max-width: 980px;
  margin: 2em auto 0;
}
.header_image h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1em 2em 0;
}
.header_image p.kv_before {
  display: flex;
}
.header_image p.kv_after {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}
.header_imageWrap.sub {
  padding: 0;
}
.header_imageWrap.sub .header_image {
  max-width: 100%;
}
.header_imageWrap.sub .header_image h1 {
  padding: 1em 2em;
}

/*-----------------
topic_path
-----------------*/
.topic_path {
  padding: 1em 2em;
}
.topic_path ul {
  font-size: 12px;
  font-size: 1.2rem;
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.topic_path li {
  position: relative;
  padding: 0 0 0 1em;
}
.topic_path li:before {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  content: "";
  left: 0;
  width: 4px;
  height: 4px;
  border-top: 1px solid #003567;
  border-right: 1px solid #003567;
  transform: rotate(-135deg);
}

/*-----------------
article
-----------------*/
article {
  text-align: center;
  margin-top: 2em;
  padding: 0 2em 5em;
  position: relative;
  z-index: 3;
}

/*-----------------
sub article
-----------------*/
h3 {
  margin-bottom: 2em;
}
.articleWrap {
  max-width: 980px;
  margin: 0 auto;
  text-align: left;
}
article dl {
  background-color: #fff;
  border-radius: 15px;
  padding: 3em;
  margin: 1em 0 3em;
}
article dt {
  border-bottom: 5px solid #ea3939;
  padding-bottom: 1em;
  margin-bottom: 1em;
  position: relative;
}
article dt .a_title img {
  height: 35px;
  width: auto;
}
.accidentbox {
  margin-top: 0;
}
.accidentbox li {
  line-height: 3;
  list-style:  none;
  margin: 0;
  padding: 0 0 0 1.2em;
  text-indent: -1.2em;
}
.accidentbox li:before {
  content: "● ";
  color: #F44336;
}
.a_img {
  position: absolute;
  bottom: 3px;
  right: 0;
}
.caution {
  background-color: #ea3939;
  color: #fff;
  padding: .8em 1em;
  border-radius: 5px;
  display: inline-block;
  margin-top: 1em;
}
.telephone {
  margin-top: 1em;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.telephone p {
  width: 49%;
}
.telephone a {
  background-color: #0086ea;
  color: #fff;
  border-radius: 10px;
  text-align: center;
  padding: 1.5em 2em 2em;
  display: block;
  width: 100%;
}
.back_index a {
  background-color: #ea3939;
  padding: 1.5em 2em;
  margin: 0 auto;
  display: block;
  border-radius: 50px;
  font-size: 18px;
  font-size: 1.8rem;
  max-width: 980px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  position: relative;
}
.back_index a:before {
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto;
  content: "";
  margin-left: -1em;
  width: 8px;
  height: 8px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(-135deg);
}
.accidentpdf {
  text-align: center;
  margin-bottom: 3em;
}
.accidentpdf a {
  background-color: #ea3939;
  padding: 1.5em 2em;
  margin: 0 auto .5em;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50px;
  font-size: 18px;
  font-size: 1.8rem;
  max-width: 980px;
  font-weight: bold;
  color: #fff;
  text-align: center;
  position: relative;
}
.accidentpdf a:before {
  content: "";
  background-image: url(images/pdf_icon.svg);
  width: 30px;
  height: 20px;
  display: inline-block;
  background-repeat: no-repeat;
  background-position: center center;
}
.keybox {
  margin-top: 0;
}
.keybox .back_index {
  margin-top: 3em;
}
.keybox dd {
  margin: 2em 0 0;
  line-height: 2;
}
.keybox dd p img {
  margin-bottom: 1em;
}
.nl_sub_img {
  margin: 1em 0 2em;
}
.maintenancebox dt {
  border-bottom: 5px solid #0086ea;
}
.accidentbox.maintenancebox li:before {
  color: #0086ea;
}
.enginebox {
  margin-top: 0;
}
.enginebox ul {
  margin: 0 0 1em;
}
.enginebox li {
  line-height: 3;
  list-style:  none;
  margin: 0;
  padding: 0 0 0 1.2em;
  text-indent: -1.2em;
}
.enginebox li:before {
  content: "● ";
  color: #F44336;
}
.enginebox dd {
  margin: 2em 0 0;
}
.enginebox dd p img {
    margin-bottom: 1em;
}

/*-----------------
nav
-----------------*/
nav {
  max-width: 980px;
  margin: -3em auto 0;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
}
nav li {
  margin-bottom: 2em;
  width: 47%;
}

/*-----------------
pagetop
-----------------*/
#pagetop {
  width: 60px;
  height: 60px;
  margin: -30px auto;
  position: relative;
  z-index: 99;
}
#pagetop a {
  position: relative;
  display: block;
  width: 60px;
  height: 60px;
}
#pagetop a::before,
#pagetop a::after{
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  content: "";
  vertical-align: middle;
}
#pagetop a::before {
  box-sizing: border-box;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #0086ea;
}
#pagetop a::after {
  left: 37%;
  width: 15px;
  height: 15px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: rotate(-45deg);
  top: 6px;
}

/*-----------------
footer
-----------------*/
footer {
  background-color: #fff;
  text-align: center;
  padding: 4em 2em;
  color: #000;
}
footer div {
  font-size: 12px;
  font-size: 1.2rem;
}

/*-----------------
footer_menu
-----------------*/
.footer_menu {
  max-width: 980px;
  margin: 0 auto 2em;
}
.footer_menu a {
  background-color: #e6e6e6;
  padding: 1.5em 2em;
  margin: 0 auto;
  display: block;
  border-radius: 50px;
  font-size: 18px;
  font-size: 1.8rem;
  max-width: 980px;
  font-weight: bold;
}

@media screen and (max-width: 768px) {
  body {
    font-size: 14px;
    font-size: 1.4rem;
  }
  h2 img {
    height: 50px;
    width: auto;
  }
  nav {
    margin: -1em auto 0;
  }
  article dt .a_title img {
    height: 20px;
    width: auto;
  }
  .nl_sub img {
    height: 25px;
    width: auto;
  }
  .a_img {
    width: 30vw;
    text-align: right;
  }
  .a_img.a_img6 {
    margin-bottom: 4em;
  }
  .accidentbox li {
    line-height: 2;
  }
  h3 img {
    height: 150px;
    width: auto;
  }
  .co_logo img {
    width: auto;
    height: 20px;
  }
  .co_name {
    text-align: right;
    font-size: 16px;
    font-size: 1.6rem;
  }
  .enginebox .a_img.a_img3 {
    width: 20vw;
    bottom: 50px;
  }
  .enginebox li {
    line-height: 2;
  }
}