@charset "UTF-8";

/* title */
#min3 .mainbg_3min {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 400px;
  background: url("../img/3min.jpg") 50% 50%/cover no-repeat;
}
#min3 .title_3min {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  text-align: right;
}
#min3 .title_3min h1 {
  margin-bottom: 4%;
}
#min3 .title_3min img {
  display: inline;
  max-width: 100%;
}

/* nav */
#min3 .nav_3min {
  background: #F5F5F4;
}
#min3 .nav_3min ul {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
}
#min3 .nav_3min ul li {
  width: 25%;
}
#min3 .nav_3min ul li a {
  position: relative;
  display: block;
  padding: 1em 0 2em;
  text-align: center;
  font-size: 1.125em;
  color: #0A3B87;
  transition: 0.3s;
}
#min3 .nav_3min ul li a:hover {
  background: #0A3B87;
  text-decoration: none;
  color: #fff;
}
#min3 .nav_3min ul li a:after {
  content: url("../img/3min_nav_b.svg");
  position: absolute;
  bottom: 5%;
  left: calc(50% - 13px);
}
#min3 .nav_3min ul li a:hover:after {
  content: url("../img/3min_nav_w.svg");
}

/* section */
#min3 .secbg_gray_3min {
  background: #F5F5F4;
}
#min3 .secinner_3min {
  width: 90%;
  max-width: 1060px;
  margin: 0 auto;
}
#min3 .sec_3min img {
  max-width: 100%;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  z-index: 1;
}
#min3 .secttl_3min {
  padding: 7% 0;
}
#min3 .secttl_3min img {
  width: 60%;
  max-width: 326px;
}
#min3 .seccopy_3min {
  margin-bottom: 7%;
}
#min3 .sectext_3min {
  line-height: 2;
  font-size: 18px;
}
#min3 .align_c_3min {
  text-align: center;
}

/* highlight */
#min3 .highlight_list_3min {
  margin-top: 10%;
  line-height: 2;
}
#min3 .highlight_list_3min > section figure {
  position: relative;
  padding-bottom: 80px;
}
#min3 .highlight_list_3min > section:not(:last-child) figure:after {
  content: "";
  position: absolute;
  display: block;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 100%;
  border-right: solid 1px #0A3B87;
}
#min3 .highlight_list_3min > section:nth-child(5) figure:after {
  bottom: 10px;
  height: calc(100% - 10px);
}
#min3 .highlight_list_3min > section:nth-child(5) figure:before {
  content: "";
  position: absolute;
  display: block;
  bottom: 0.75em;
  left: calc(50% - 0.5em);
  width: 1em;
  height: 1em;
  border: solid #0A3B87;
  border-width: 0 1px 1px 0;
  transform: rotate(45deg);
}
#min3 .highlight_list_3min > section dl dt {
  margin: 0.5em 0 1.5em;
}

@media screen and (min-width: 541px) {
  #min3 .highlight_list_3min > section {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;
  }
  #min3 .highlight_list_3min > section figure {
    width: 45%;
  }
  #min3 .highlight_list_3min > section dl {
    width: 49%;
    font-size: 15px;
  }
  #min3 .highlight_list_3min > section dl dd {
    padding-bottom: 3em;
  }
}

/* brand */
#min3 #brand section {
  margin-top: calc(15% - 2em);
  padding-top: 2em;
}
#min3 #brand section:last-child {
  padding-bottom: 10%;
}
#min3 .brandsubttl_3min {
  margin-bottom: 7%;
}
#min3 .brand_energy_3min {
  padding: 5%;
  background: #fff;
}
#min3 .brand_energy_3min figure {
  position: relative;
  margin-bottom: 2.5em;
}
#min3 .brand_energy_3min figure:after {
  content: url("../img/3min_brand_arw.svg");
  position: absolute;
  top: calc(50% - 15px);
  left: calc(50% - 25px);
  z-index: 1;
}

@media screen and (min-width: 541px) {
  #min3 .brand_energy_3min figure {
    display: flex;
    justify-content: space-between;
  }
  #min3 .brand_energy_3min figure > div {
    width: 48%;
  }
  #min3 .brand_brand_3min,
  #min3 .brand_searvice_3min {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #min3 .brand_brand_3min {
    flex-direction: row-reverse;
  }
  #min3 .flex_l_3min {
    width: 48%;
  }
  #min3 .flex_r_3min {
    width: 45%;
  }
}

/* message */
#min3 .message_3min {
  padding: 3% 5%;
  background: #0A3B87;
}
#min3 .message_3min img {
  margin: 0 auto;
}

/* business */
#min3 #business {
  padding-bottom: 4%;
}
#min3 .businessimg_3min {
  position: relative;
}
#min3 .businessimg_3min:before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 100%;
  height: 93%;
  background: #ECF1AF;
}
#min3 .businessimg_3min > div {
  width: 100%;
  max-width: 1500px;
  margin: 0 auto;
  position: relative;
}
#min3 .businessimg_3min a {
  position: absolute;
  z-index: 2;
  display: block;
  width: 8%;
  height: 3%;
  padding-top: 1px;
  overflow: hidden;
  background: #fff;
  opacity: 0;
  transition: opacity 0.3s;
}
.businessimg_3min__sp-text {
  line-height: 2;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 3%;
  text-align: center;
}
@media screen and (min-width: 541px) {
  #min3 .businessimg_3min a:hover {
    opacity: 0.5;
  }
  #min3 #link_sekiyu {
    top: 64%;
    left: 1%;
  }
  #min3 #link_energy {
    top: 51%;
    right: 11%;
  }
  #min3 #link_yunyu {
    bottom: 0.75%;
    left: 22%;
  }
  #min3 #link_gas {
    bottom: 0.75%;
    right: 9%;
  }
  .businessimg_3min__sp-text {
    display: none;
  }
}

/* future */
#min3 #future {
  background: url("../img/3min_future.png") center bottom/cover;
  padding-bottom: 10%;
}
#min3 .futurelist_3min > div {
  margin-top: 5%;
  padding: 3% 0;
  background: #fff;
  line-height: 1.86;
}
#min3 .futurelist_3min > div > p {
  line-height: 1.4;
  font-family: serif;
  text-align: center;
  font-size: 1.25em;
  letter-spacing: 0.2em;
  color: #0A2054;
}
#min3 .futurelist_3min > div > p em {
  font-size: 1.86em;
  font-style: normal;
  font-weight: bold;
}
#min3 .futurelist_3min > div > dl dt {
  margin-bottom: 0.5em;
  font-family: serif;
  font-size: 1.125em;
  color: #0A3B87;
}
#min3 .futurelist_3min > div > dl dd {
  position: relative;
  margin-top: 0.5em;
  padding-left: 1.2em;
  font-size: 0.9375em;
}
#min3 .futurelist_3min > div > dl dd:before {
  content: "・";
  position: absolute;
  left: 0;
}

@media screen and (min-width: 541px) {
  #min3 .futurelist_3min > div {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  #min3 .futurelist_3min > div > p {
    width: 20%;
    padding-left: 1%;
  }
  #min3 .futurelist_3min > div > dl {
    width: 75%;
    padding-left: 4%;
    border-left: solid 1px #707070;
  }
}