@charset "utf-8";
.youtube_ctrl {
  width: 100%;
  padding-top: 56.25%;
  position: relative;
  margin: 0 auto;
  border: 7px solid #AAC467;
  border-radius: 10px;
  margin-top: 40px;
}
.youtube_ctrl iframe {
  position: absolute;
  top: 0;
  right: 0;
  width: 100% !important;
  height: 100% !important;
}
.show_650 {
  display: none;
}
.title {
  background-color: #BAE2F8;
  border-top: solid 4px #80C7E8;
  display: block;
  font-weight: bold;
  line-height: 1.5;
  padding: 40px;
  color: #0085C3;
  margin-bottom: 20px;
}
.title .sub {
  font-size: 1.5rem;
  line-height: 1.2;
}
.title .main {
  font-size: 3rem;
  line-height: 1.2;
  display: block;
  margin: 5px 0;
}
.title .small {
  font-size: 1.1rem;
  line-height: 1.2;
}
.contactinfo {
  margin: 0;
}
.read {
  font-size: 1.7rem;
  font-weight: bold;
  display: block;
  line-height: 1.5;
}
.read2 {
  font-size: 1.5rem;
  font-weight: bold;
  display: block;
  margin-bottom: 10px;
}
.list_kome li {
    padding-left: 1rem;
    position: relative;
}
.list_kome li::before {
    content: '※';
    position: absolute;
    top: 0;
    left: 0;
}
.flex_sb {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
@media only screen and (max-width: 768px) {
  .title .sub {
    font-size: 1rem;
  }
  .title .main {
    font-size: 1.8rem;
  }  
  .title .small {
    font-size: 0.9rem;
  }
}
@media only screen and (max-width: 650px) {
  .title {
    padding: 20px;
  }
  .footer__sitemap-container {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .footer__sitemap-cat {
    width: 100%;
  }
  .footer__sitemap-list {
    width: 20%;
  }
  .read2 {
    font-size: 1.3rem;
  }
  .show_650 {
    display: block;
  }
  .hide_650 {
    display: none;
  }
}


/* sec1 */
.sec1 .title img {
  width: 55%;
}
.sec1 .flex_sb {
  gap: 20px;
  align-items: flex-end;
}
.sec1 .flex_item{
  width: 48%;
}

/* sec3 */
.sec2 .flex_sb{
  gap: 20px 0;
}
.sec2 .flex_item{
  width: 48%;
}
.sec2 ul{
  margin-top: 1em;
}
.sec2 .sasaru{
  align-items: flex-end;
  margin-top: 30px;
}
.sec2 .sasaru .flex_item:first-child{
  width: calc(100% - 170px);
}
.sec2 .sasaru .flex_item:last-child{
  width: 150px;
}
.sec2 .sasaru .flex_item:first-child img{
  width: 150px;
}
.sec2 .sasaru .flex_item:first-child b{
  margin: 10px 0;
  display: block;
}


/* sec3 */
.sec3 .title img {
  width: 75%;
}
.sec3 .title .main {
  font-size: 2.5rem;
  margin: 10px 0;
}
.sec3 .flex_item:first-child {
  width: calc(98% - clamp(150px,30%,270px));
}
.sec3 .flex_item:last-child {
  width: clamp(150px,30%,270px);
}
.sec3 .flex3 {
  display: flex;
  justify-content: space-around;
  width: 100%;
  justify-content: space-between;
  margin-top: clamp(50px,10vw,100px);
}
.sec3 .flex3 .mark {
  width: calc(100% - 240px);
}
.sec3 .flex3 .mark:first-child {
  width: 200px;
}
.sec3 .flex3 .mark .mark_content_info {
  margin-bottom: 2em;
}
.title2 {
  position: relative;
  text-align: center;
  padding: 0 clamp(2em,5vw,50px);
  margin-bottom: 20px;
  margin-top: clamp(20px,5vw,50px);
}
.title2 span{
  display: inline-block;
  padding: 0.5em 1em;
  background: #fff;
}
.title2 span:before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 50%;
  transform: translate(0,-50%);
  left: 0;
  display: block;
  width: 100%;
  height: 2px;
  border-top: solid 1px #80C7E8;
  border-bottom: solid 1px #80C7E8;
}

/* gray_content */
.gray_content {
  padding: 10px;
}
.gray_content p {
  font-weight: bold;
  display: inline;
  padding: 0px 0px 4px;
  margin-bottom: 5px;
}
.gray {
  color: #b5b5b6;
}
.pm {
  margin-top: 10px;
}
.mark img {
  padding-top: 10px;
  width: 300px;
  margin: 0 auto;
}
.tate {
  width: 90px !important;
}
.yoko {
  width: 170px !important;
}

/* sdgs */
.sdgs {
  display: flex;
  justify-content: center;
  padding: 30px;
  gap: 30px;
  background-color: #E9EAEA;
  border-radius: 10px;
}
.sdgs_img {
  margin-bottom: 20px;
}

@media only screen and (max-width: 768px) {
  .sec3 .title .main {
    font-size: 1.6rem;
  }
  .sec3 .flex3 {
    width: 100%;
    margin: 0 auto;
  }
  .sec3 .gray_content {
    margin-top: 0px;
  }
  .sec3 .flex3 .mark:first-child {
    width: 100%;
  }
  .sec3 .flex3 .mark {
    width: 100%;
  }
  .sec3 .gray_content {
    flex-direction: column;
  }
  .mark img {
    width: 200px;
    margin-left: 0;
  }
  .sec3 .title img {
    width: 100%;
  }
}
@media only screen and (max-width: 650px) {
  .sec1 .flex_item,
  .sec2 .flex_item{
    width: 100%;
  }
  .sec3 .flex3 {
    gap: 10px;
  }
  .sdgs {
    flex-wrap: wrap;
  }
  .sdgs .stone_flex_left {
    width: 100%;
  }
  .sdgs .stone_flex_right {
    width: 90%;
  }
}
@media only screen and (max-width: 540px) {
  .sec2 .sasaru .flex_item:first-child{
    width: 100%;
  }
  .sec2 .sasaru .flex_item:last-child{
    width: 200px;
    margin: auto;
  }
}