@charset "utf-8";
.key  {
  min-height: 1000px;
  width: 100vw;
  height: 100vh;
}

.key video  {
  opacity: 1;
  min-height: 1000px;
}

.key .inner {
  position: relative;
  height: calc(100% - 100px);
  top: 100px;
}

.key .inner img.index_key1,
.key .inner img.index_key2,
.key .inner .infoarea  {
  position: absolute;
}

.key .inner img.index_key1  {
  width: 60.55%;
  top: 15.89%;
  left: 0;
}

.key .inner img.index_key2  {
  width: 35.28%;
  top: 7.5%;
  right: 0;
}

.key .inner .infoarea {
  top: 50%;
  left: 0;
}

.key .inner .infoarea h3  {
  opacity: 0.75;
  line-height: 125%;
}

.sub main:before, .index main .sec_wrapper:before {
  height: 100%;
}

main .sec_wrapper {
  position: relative;
  max-width: 1440px;
  padding-left: 38px;
  padding-right: 38px;
  margin-left: auto;
  margin-right: auto;
}

.index main .sec_wrapper:before    {
    height: calc(100% - 20vw);
    margin-bottom: 0;
    margin-top: auto;
}
main section.sec.sec_lead {
    padding-bottom: 100px;
}

main section.sec.sec_lead.indexsec .inner.indexsec_head:before   {
    content: "";
    display: block;
    background-color: transparent;
    background-image: url(/common/images/sec_bg.png);
    background-position: center top;
    background-repeat: repeat;
    background-size: 98px auto;
    width: 200px;
    height: 198px; 
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
}

main section.sec.sec_lead .inner  {
    background-color: #fff;
    position: relative;
}

main section.sec.sec_lead .inner.indexsec_head .infoarea    {
    width: 100%;
    position: relative;
}

main section.sec.sec_lead .inner.indexsec_head  {
  position: relative;
}

main section.sec.sec_lead .inner.indexsec_head:after  {
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  position: absolute;
  left: 0;
  bottom: 135px;
  background-color: #ccc;
}
main section.sec.sec_lead .inner.indexsec_head .videoarea {
  width: 64.22%;
  order: 2;
  margin-bottom: 135px;
  position: relative;
}

main section.sec.sec_lead .inner.indexsec_head .videoarea video {
  width: 100%;
  display: block;
}

main section.sec.sec_lead .inner.indexsec_head .videoarea img {
  width: 12.4%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
main section.sec.sec_lead .inner.indexsec_head .indexsec_title {
  flex: 1;
  border-right: 1px solid #ccc;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

main section.sec.sec_lead .inner.indexsec_head .indexsec_title p.gray  {
  min-height: 135px;
  padding-top: 12px;
  line-height: 118.75%;
}
main section.sec.sec_lead .inner .infoarea p  {
    line-height: 175%;
}
main .sec_wrapper .morearea,
main .sec_wrapper .morearea a  {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  flex-direction: column;
  z-index: 2;
  gap: 5px;
}

main .sec_wrapper .morearea a  {
  background-color: #bbb;
  width: 260px;
  height: 125px;
  transition: all 0.5s ease-out;
}

main section.sec.sec_list {
    flex-direction: row-reverse;
    gap: 0 124px;
    align-items: flex-start;
}

main section.sec.sec_list .seccol {
    width: calc((100% - 124px) / 2);
    position: relative;
    padding: 60px 0;
    background-color: #fff;
    margin-bottom: 100px;
}

main section.sec.sec_list .seccol:nth-of-type(2n){
    top: 100px !important;
}

main section.sec.sec_list .seccol:before  {
    content: "";
    display: block;
    background-color: transparent;
    background-image: url(/common/images/sec_bg.png);
    background-position: center top;
    background-repeat: repeat;
    background-size: 98px auto;
    width: 200px;
    height: 198px;
    position: absolute;
    top: 0;
    right: 0;
    z-index: 0;
}

main section.sec.sec_list .seccol:nth-of-type(2n):before {
    right: auto;
    left: 0;
}
main section.sec.sec_list .seccol .date {
    position: absolute;
    width: 100px;
    left: -100px;
    border-bottom: 1px solid #ccc;
    padding: 0 10px 5px;
    text-align: right;
}

main section.sec.sec_list .seccol:nth-of-type(2n) .date {
    text-align: left;
    left: auto;
    right: -100px;
}

main section.sec.sec_list .seccol:nth-of-type(2n) .infocol,
main section.sec.sec_list .seccol:nth-of-type(2n) .navcol   {
    flex-direction: row-reverse;
}

main section.sec.sec_list .seccol .infocol {
  flex: 1;
  position: relative;
  z-index: 2;
}

main section.sec.sec_list .seccol .infocol img  {
  width: calc(100% - 140px);
  border-right: 1px solid #ccc;
}

main section.sec.sec_list .seccol:nth-of-type(2n) .infocol img  {
  border-right: 0;
  border-left: 1px solid #ccc;
}
main section.sec.sec_list .seccol .navcol .nav {
  width: 140px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
}
main section.sec.sec_list .seccol .navcol .info {
  line-height: 116.66%;
  min-height: 145px;
  flex: 1;
}

main section.sec.sec_list .seccol:nth-of-type(2n+1) .navcol .info    {
  border-right: 1px solid #ccc;
}

main section.sec.sec_list .seccol:nth-of-type(2n) .navcol .info  {
  border-left: 1px solid #ccc;
}

main section.sec.sec_list .seccol .navcol .nav a {
  min-height: 145px;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #ccc;
  gap: 5px;
  transition: all 0.5s ease-out;
}

main .sec_wrapper .morearea a:hover,
main section.sec.sec_list .seccol .navcol .nav a:hover  {
  background-color: #ED5C00;
  color: #fff;
}

main section.sec.sec_list .seccol .navcol a span {
  background-image: url(/common/images/arrow_d.png);
  background-size: auto 22px;
  background-repeat: no-repeat;
  background-position: center center;
}

main .sec_wrapper .morearea a .arrow,
main section.sec.sec_list .seccol .navcol a span,
main section.sec.sec_list .seccol .navcol a span img  {
  display: block;
  height: 22px;
  width: auto;
}

main section.sec.sec_list .seccol .navcol a span img {
  transition: all 0.5s ease-out;
}

main section.sec.sec_list .seccol .navcol a span img {
  transition: all 0.5s ease-out;
}

main section.sec.sec_list .seccol .navcol a:hover span img {
  opacity: 0;
}

@media screen and (max-width: 1920px)   {
    .sub .key .largetext {
        font-size: 6.5vw;
        left: 40.5vw;
    }
}

@media screen and (max-width: 834px)    {
    .key,
    .key video    {
        min-height: 0;
    }
    
    .key,
    main    {
        overflow-x: clip;
    }
    
    .key video  {
        margin-top: 25.45vw;
        height: 100%;
    }
    .key .inner {
        height: 100%;
        top: 0;
    }

    .key .inner img.index_key1  {
      width: 67.43vw;
      top: 9.41vw;
      left: 5.04vw;
    }
    
    .key .inner img.index_key2  {
      width: 48.6vw;
      top: 29.26vw;
      right: 5.04vw;
    }
    
    .key .inner .infoarea {
      top: 89.56vw;
      left: 5.04vw;
      width: 89.84vw;
    }
    
    .key .inner .infoarea > div {
        width: 66.9vw;
    }

    .key .inner .infoarea .keyinfo2 {
        margin-left: auto;
        margin-right: 0;
    }
    
    main section.sec.sec_lead .inner.indexsec_head .infoarea    {
        padding-left: 0 !important;
        flex-direction: column-reverse;
    }
    
    main section.sec.sec_lead .inner.indexsec_head .infoarea {
        background-image: url(/common/images/sec_bg.png);
        background-position: left top;
        background-repeat: no-repeat;
        background-size: 12.72vw auto;
    }
    
    main section.sec.sec_lead .inner.indexsec_head .videoarea    {
        width: 79.87%;
        margin-right: 0;
        margin-left: auto;
        margin-bottom: 0;
    }
    
    main section.sec.sec_lead .inner.indexsec_head .indexsec_title  {
        border-top: 1px solid #ccc;
    }
    main section.sec.sec_lead .inner.indexsec_head .indexsec_title p.gray   {
        min-height: 0;
    }

    main section.sec.sec_lead.indexsec .inner.indexsec_head:before  {
        display: none;
    }

    .index main .sec_wrapper:before {
        width: 25.44vw;
    }
    main .sec_wrapper .morearea a   {
        width: 35.62vw;
        height: 15.26vw;
        gap: 0;
        line-height: 1;
        background-color: #666;
    }
    
    main .sec_wrapper .morearea a .arrow,
    main section.sec.sec_list .seccol .navcol a span,
    main section.sec.sec_list .seccol .navcol a span img {
        height: 3.46vw;
    }

    main section.sec.sec_list .seccol:nth-of-type(2n)   {
        top: 0 !important;
    }
    main section.sec.sec_list .seccol .date,
    main section.sec.sec_list .seccol:nth-of-type(2n) .date {
        width: 25.44vw;
        left: 0;
        right: 0;
        margin-left: auto;
        margin-right: auto;
        top: -8vw;
        text-align: left;
        padding-bottom: 0;
        border-bottom: 0;
        position: absolute;
    }
    main section.sec.sec_list .seccol .date:after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        height: 1px;
        background-color: #ccc;
        width: calc(100% - 5.08vw);
    }
    
    main section.sec.sec_list .seccol:before    {
        width: 17.8vw;
        height: 17.8vw;
        background-size: 17.8vw auto;
        left: auto !important;
        right: 0;
    }
    
    main section.sec.sec_list .seccol .navcol .info h3 {
      line-height: 116.66%;
      margin-bottom: 1.74vw;
    }
    
    main section.sec.sec_list .seccol .navcol .nav  {
        width: 17.8vw;
        justify-content: flex-end;
        
    }
    
    main section.sec.sec_list .seccol .navcol .nav a    {
        height: 17.8vw;
        min-height: 0;
        justify-content: flex-end;
        gap: 0;
        padding-bottom: 2.54vw;
    }
    
    main section.sec.sec_list .seccol .infocol img  {
        width: calc(100% - 17.8vw);
    }

    main section.sec.sec_lead .inner:not(.bg_gray):after  {
        display: none;
    }

    main section.sec.sec_lead {
        padding-bottom: 12.72vw;
    }

    main section.sec.sec_lead:after   {
        background-size: 12.72vw auto;
        width: 79.64vw;
        height: 12.72vw;
    }
    
    main section.sec.sec_list .seccol {
        width: 100%;
        margin-bottom: 15.63vw;
    }
    
    main section.sec.sec_list .seccol:nth-of-type(2n) {
        top: auto;
    }
    main section.sec.sec_list .seccol:before  {
        left: 5.08vw;
    }
    
    main section.sec.sec_list .seccol:after   {
        top: 7.63vw;
    }

    main section.sec.sec_list .seccol  {
        background-size: 12.72vw auto;
    }
    
    

}