/* #mainImg
================================================ */
#mainImg { background: url("../../img/energy/bg_main_energy01_sp.png") no-repeat center center/cover; margin-top: 0; padding-top: 50px; }

#mainImg .inner { position: static; }

#mainImg .inner:before { display: none; }

@media all and (min-width: 600px) { #mainImg { background: url("../../img/energy/bg_main_energy01_pc.png") no-repeat center center/cover; margin-top: 95px; padding-top: 0; }
  #mainImg .inner:before { display: none; } }

#iec #mainImg .tit { font-size: 3rem; line-height: 1.3; font-weight: 700; letter-spacing: .02em; }

#iec #mainImg .tit span { position: relative; top: -3px; left: -5px; font-size: 2rem; }

@media all and (min-width: 600px) { #iec #mainImg .tit { line-height: 1; font-size: 5rem; }
  #iec #mainImg .tit span { font-size: 4rem; } }

/*  #detail
================================================== */
#detail .txt { margin-bottom: 20px; }

#detail .img_box { margin-bottom: 0; }

@media all and (min-width: 600px) { #detail .txt { margin-bottom: 41px; }
  #detail .img_box { margin-bottom: 0; } }

/*  #application
================================================== */
#application .txt { margin-bottom: 20px; }

#application .img_box { margin-bottom: 0; }

@media all and (min-width: 600px) { #application .txt { margin-bottom: 41px; }
  #application .img_box { margin-bottom: 0; } }

/*  #protocol
================================================== */
#protocol .txt { margin-bottom: 18px; }

#protocol .box { margin-bottom: 25px; }

#protocol .copy { margin-bottom: 3px; }

#protocol .table th span { display: block; font-size: 1.2rem; font-weight: 400; }

@media all and (min-width: 600px) { #protocol .tit { margin-bottom: 25px; }
  #protocol .txt { margin-bottom: 43px; }
  #protocol .box { margin-bottom: 55px; }
  #protocol .box + .txt { margin-bottom: 22px; }
  #protocol .area { margin-top: -7px; }
  #protocol .copy { margin-bottom: 8px; }
  #protocol .areaTxt + .areaTxt { margin-top: 28px; }
  #protocol .table th span { font-size: 1.4rem; } }

/*  #advantage
================================================== */
#advantage .tit { margin-bottom: 20px; }

#advantage .txt { margin-bottom: 20px; }

#advantage .box { margin-bottom: 0; }

#advantage .box + .box { border-top: 1px solid  #e2e2e2; padding-top: 30px; margin-top: 25px; }

#advantage .img_box { margin-bottom: 16px; }

#advantage .area .txt { margin-bottom: 14px; }

#advantage .area .list { margin-bottom: 13px; }

@media all and (min-width: 600px) { #advantage .tit { margin-bottom: 25px; }
  #advantage .txt { margin-bottom: 43px; }
  #advantage .area { width: calc(50% - 12px); margin-top: 15px; }
  #advantage .box + .box { margin-top: 44px; padding-top: 60px; }
  #advantage .box + .box .area { margin-top: -5px; }
  #advantage .box + .box .area .txt { margin-bottom: 30px; }
  #advantage .box + .txt { margin-top: 28px; } }

/*  #product
================================================== */
#product .txt { padding-bottom: 20px; }

#product .areaBtn { width: 285px; margin: 0 auto; }

#product .areaBtn .btn a { padding: 13px 0 12px; }

@media all and (min-width: 600px) { #product .tit { margin-bottom: 27px; }
  #product .txt { margin-bottom: 22px; }
  #product .areaBtn { width: auto; margin: 0 auto; }
  #product .areaBtn .btn:nth-child(n+4) { margin-top: 20px; }
  #product .areaBtn .btn a { padding: 13px 0 12px; } }

/*  #training
================================================== */
#training .tit { margin-bottom: 21px; }

#training .txt { margin-bottom: 22px; }

#training .areaBtn { margin: 0 -18px 0; padding: 25px 45px; background: #f3f3f3; }

#training .areaBtn .btn { margin-top: 0; }

#training .areaBtn .btn + .btn { margin-top: 10px; }

#training .areaBtn .btn a { height: auto; padding: 13px 0 14px; line-height: 1.4; text-align: center; }

#training .areaBtn + .areaBtn { margin-top: 10px; }

@media all and (min-width: 600px) { #training .tit { margin-bottom: 27px; }
  #training .txt { margin-bottom: 40px; }
  #training .areaBtn { margin: 0; }
  #training .areaBtn .btn { max-width: 350px; width: 350px; margin-top: 0; }
  #training .areaBtn .btn + .btn { margin: 0; margin-top: 0; }
  #training .areaBtn .btn a { padding: 21px 0 19px; }
  #training .areaBtn + .areaBtn { display: -webkit-box; display: -ms-flexbox; display: flex; -ms-flex-wrap: wrap; flex-wrap: wrap; -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between; margin-top: 10px; padding: 25px 190px; } }



/*  .etc-btn
================================================== */

.etc-btn .areaBtn { margin: 0 -18px; padding: 25px 45px; background: #f3f3f3; }
.etc-btn .areaBtn .btn { margin-top: 0; }
.etc-btn .areaBtn .btn a { height: auto; padding: 13px 0 14px; line-height: 1.4; text-align: center; }

@media all and (min-width: 600px) { 
.etc-btn .areaBtn { margin: 0 -18px; padding: 25px 45px; background: #f3f3f3; }
  .etc-btn .areaBtn .btn { max-width: 350px; width: 350px; margin: 0 auto; }
  .etc-btn .areaBtn .btn a { padding: 20px 0 19px; }  }