:root {
  --c-ctzn_blue: hsla(220, 100%, 56%, 1);
  --c-ctzn_blck: hsla(195, 5%, 17%, 1);
  --c-ctzn_wht: hsla(0, 0%, 100%, 1);
  --c-ctzn_blue50: hsl(220 63.1% 72.4%);
  --c-gray464949: hsl(180 2.1% 28%);
  --c-gray500: hsla(218, 6%, 75%, 0.46);
  --c-gray400: hsla(210, 8%, 84%, 1);
  --c-gray300: hsla(210, 11%, 89%, 1);
  --c-gray200: hsla(204, 15%, 94%, 1);
  --c-gray555: hsl(0 0% 33.3%);
  --c-grayAaa: hsl(0 0% 66.7%);
  --c-gray2: hsla(0, 1%, 45%, 1);
  --c-Black: hsl(220 0% 0%);
  --c-White: hsl(220 0% 100%);
  --c-bgGradient: linear-gradient(135deg, hsla(0, 0%, 100%, 1) -10%, hsla(207, 7%, 67%, 1) 200%);
  --c-dummy: hsl(0 0% 47.1%);
  --c-black: hsl(220 0% 10%);
  --c-blackHover: hsl(220 0% 50%);
  --c-white: hsl(220 0% 100%);
  --c-bg: hsl(220 10% 90%);
  --c-text: hsl(220 10% 10%);
  --c-textHover: hsl(220 10% 50%);
  --fadeInLength: 20px;
  --fadeInOpacityDuration: 0.8s;
  --lmContentsDelay: 0.3s;
  --easeOutQuad: cubic-bezier(0.5, 1, 0.89, 1);
  --easeOutCubic: cubic-bezier(0.33, 1, 0.68, 1);
  --easeOutQuart: cubic-bezier(0.25, 1, 0.5, 1);
  --easeOutQuint: cubic-bezier(0.22, 1, 0.36, 1);
  --easeOutExpo: cubic-bezier(0.16, 1, 0.3, 1);
  --easeInOutQuad: cubic-bezier(0.45, 0, 0.55, 1);
  --easeInOutCubic: cubic-bezier(0.65, 0, 0.35, 1);
  --easeInOutQuart: cubic-bezier(0.76, 0, 0.24, 1);
  --easeInOutQuint: cubic-bezier(0.83, 0, 0.17, 1);
  --easeInOutExpo: cubic-bezier(0.87, 0, 0.13, 1);
  --easeInQuad: cubic-bezier(0.11, 0, 0.5, 0);
  --easeInCubic: cubic-bezier(0.32, 0, 0.67, 0);
  --easeInQuart: cubic-bezier(0.5, 0, 0.75, 0);
  --easeInQuint: cubic-bezier(0.64, 0, 0.78, 0);
  --easeInExpo: cubic-bezier(0.7, 0, 0.84, 0);
}

.page_content {
  margin-top: 90px;
}
@media screen and (max-width: 1239px) {
  .page_content {
    margin-top: 75px;
  }
}
@media screen and (max-width: 639px) {
  .page_content {
    margin-top: 60px;
  }
}
.page_content .photo {
  margin-inline: auto;
  width: 980px;
  aspect-ratio: 978/520;
}
@media screen and (max-width: 1239px) {
  .page_content .photo {
    width: 80vw;
  }
}
@media screen and (max-width: 639px) {
  .page_content .photo {
    width: 100%;
    aspect-ratio: 375/264;
  }
}
.page_content .photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@media screen and (max-width: 839px) {
  .page_content .photo img.img_pc {
    display: none;
  }
}
.page_content .photo img.img_mb {
  display: none;
}
@media screen and (max-width: 839px) {
  .page_content .photo img.img_mb {
    display: block;
  }
}
.page_content .lead {
  padding-top: 120px;
  margin-inline: auto;
  width: 90vw;
}
@media screen and (max-width: 1239px) {
  .page_content .lead {
    padding-top: 100px;
  }
}
@media screen and (max-width: 639px) {
  .page_content .lead {
    padding-top: 80px;
  }
}
.page_content .lead p {
  margin-block: calc((1em - 1lh) / 2);
  margin-right: -0.05em;
  font-size: 12px;
  line-height: 24px;
  letter-spacing: 0.05em;
  font-weight: 400;
}
.page_content .lead p span {
  font-weight: 400;
}
.page_content .lead p {
  text-align: center;
}
@media screen and (max-width: 1239px) {
  .page_content .lead p {
    font-size: 12.5px;
  }
}
@media screen and (max-width: 639px) {
  .page_content .lead p {
    font-size: 13px;
  }
}
.page_content .president {
  padding-top: 80px;
}
.page_content .president .position h4 {
  margin-block: calc((1em - 1lh) / 2);
  font-size: 12px;
  line-height: 20px;
  letter-spacing: 0em;
  font-weight: 400;
}
.page_content .president .position h4 span {
  font-weight: 400;
}
.page_content .president .position h4 {
  text-align: center;
}
@media screen and (max-width: 1239px) {
  .page_content .president .position h4 {
    font-size: 12.5px;
  }
}
@media screen and (max-width: 639px) {
  .page_content .president .position h4 {
    font-size: 13px;
  }
}
.page_content .president .name {
  padding-top: 20px;
}
.page_content .president .name h3 {
  font-size: 16px;
  line-height: 1em;
  letter-spacing: 0em;
  font-weight: 400;
}
.page_content .president .name h3 span {
  font-weight: 400;
}
.page_content .president .name h3 {
  text-align: center;
}
@media screen and (max-width: 1239px) {
  .page_content .president .name h3 {
    font-size: 17px;
  }
}
@media screen and (max-width: 639px) {
  .page_content .president .name h3 {
    font-size: 18px;
  }
}

.other_contents {
  margin-top: 160px;
}
@media screen and (max-width: 1239px) {
  .other_contents {
    margin-top: 130px;
  }
}
@media screen and (max-width: 639px) {
  .other_contents {
    margin-top: 100px;
  }
}