/* ------------------------------------
// topLead
------------------------------------ */
#topLead {
  padding: 0 2rem clamp(5rem, 6.9vw, 10rem) 2rem;
}
#topLead h2 {
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.8rem, 1.9vw, 2.8rem);
  line-height: 1.8;
  margin-bottom: clamp(2.5rem, 3.5vw, 5rem);
}
#topLead h2 strong {
  font-size: clamp(1.8rem, 2.6vw, 3.8rem);
}
#topLead h2 span:nth-child(1) {
  color: #1e3361;
}
#topLead h2 span:nth-child(2) {
  color: #2a5e8d;
}
#topLead h2 span:nth-child(3) {
  color: #428ba0;
}
#topLead h2 span:nth-child(4) {
  color: #57b49a;
}
#topLead .messageBox {
  max-width: 1024px;
  margin: 0 auto clamp(5rem, 6.9vw, 10rem);
}
#topLead .messageBox p + p {
  margin-top: 2rem;
}
#topLead dl {
  margin: clamp(3rem, 3.5vw, 5rem) auto 2rem;
  width: fit-content;
  text-align: center;
  color: #2a5e8d;
}
#topLead dl dt {
  font-size: clamp(1.5rem, 1.1vw, 1.6rem);
  margin-bottom: 0.5rem;
}
#topLead dl dd {
  font-size: clamp(1.8rem, 1.4vw, 2rem);
  font-weight: 600;
}
#topLead dl dd span {
  font-size: clamp(1.6rem, 1.1vw, 1.6rem);
  font-weight: 500;
}
#topLead .socialLink {
  display: flex;
  justify-content: center;
  gap: 2rem;
}
#topLead .instagrambtn {
  width: fit-content;
}
#topLead .instagrambtn a {
  text-align: center;
  color: #fff;
  padding: 0.5rem 4rem 0.5rem 0.5rem;
  font-size: 1.6rem;
  line-height: 1;
  border-radius: 50vh;
  display: flex;
  align-items: center;
  gap: 2rem;
  transition: 0.3s;
  background: #728ac1;
}
#topLead .instagrambtn a:before {
  content: "";
  width: 4rem;
  aspect-ratio: 1;
  display: block;
  background: url(/lib/img/cmn/icon_instagram.webp) no-repeat center/contain;
}
#topLead .instagrambtn a:hover {
  background: #053b6c;
}
#topLead .amebabtn {
  width: fit-content;
}
#topLead .amebabtn a {
  text-align: center;
  color: #FFF;
  padding: 0.5rem 4rem 0.5rem 0.5rem;
  font-size: 1.6rem;
  line-height: 1;
  border-radius: 50vh;
  display: flex;
  align-items: center;
  gap: 2rem;
  transition: 0.3s;
  background: #728ac1;
}
#topLead .amebabtn a:before {
  content: "";
  width: 4rem;
  aspect-ratio: 1;
  display: block;
  background: url(/lib/img/cmn/icon_ameba.webp) no-repeat center/contain;
}
#topLead .amebabtn a:hover {
  background: #053B6C;
}
@media screen and (max-width: 768px) {
  #topLead .socialLink {
    display: grid;
    place-content: center;
    place-items: center;
    gap: 1rem;
  }
}

/* ------------------------------------
// biography
------------------------------------ */
#biography {
  background: #fff;
  padding: clamp(5rem, 6.9vw, 10rem) 2rem;
  margin-bottom: clamp(5rem, 6.9vw, 10rem);
  position: relative;
}
@media screen and (max-width: 768px) {
  #biography {
    padding: clamp(2.5rem, 3.5vw, 5rem) 2rem;
    margin-bottom: clamp(2.5rem, 3.5vw, 5rem);
  }
}
#biography::before {
  content: "";
  width: 100vw;
  height: 6px;
  background: #ecf0f6;
  position: absolute;
  left: 0;
  top: 2px;
}
#biography::after {
  content: "";
  width: 100vw;
  height: 6px;
  background: #ecf0f6;
  position: absolute;
  left: 0;
  bottom: 2px;
}
#biography h2 {
  text-align: center;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.4rem, 1.9vw, 2.8rem);
  line-height: 1.8;
  margin-bottom: clamp(2.5rem, 3.5vw, 5rem);
  font-weight: 500;
  color: #2a5e8d;
}
#biography h2 span {
  color: #72c199;
}
#biography .profileContainer {
  max-width: 1024px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: max-content clamp(2rem, 2.8vw, 4rem) 1fr;
  gap: 0 2rem;
}
#biography .profileContainer .item {
  display: grid;
  grid-template-columns: subgrid;
  grid-column: span 3;
  grid-template-areas: "year line topic";
  gap: 0 2rem;
}
#biography .profileContainer .item .year {
  grid-area: year;
  padding-top: 2.5rem;
  color: #2a5e8d;
  font-weight: 500;
}
#biography .profileContainer .item:after {
  grid-area: line;
  content: "";
  width: clamp(2rem, 2.8vw, 4rem);
  height: 1px;
  display: block;
  background: #0a2e5a;
  margin-top: 3.5rem;
}
#biography .profileContainer .item .topic {
  grid-area: topic;
  border-bottom: 1px dashed #b1babe;
  padding: 2.5rem 0;
}
#biography .profileContainer .item .topic ul {
  color: #0a2e5a;
  font-weight: 500;
}
#biography .profileContainer .item .topic .detail {
  margin-top: 1.5rem;
  background: #ecf0f6;
  border-radius: 5px;
  padding: 1.5rem 2rem;
}
#biography .profileContainer .item:first-child .topic {
  border-top: 1px dashed #b1babe;
}
@media screen and (max-width: 768px) {
  #biography {
    margin-bottom: 0;
  }
  #biography::after {
    display: none;
  }
  #biography .profileContainer {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 2rem;
  }
  #biography .profileContainer .item {
    display: grid;
    grid-template-columns: 1fr;
    grid-column: span 1;
    grid-template-areas: "year" "line" "topic";
    gap: 1.5rem;
    border-bottom: 1px dashed #b1babe;
    padding: 1.5rem 0;
  }
  #biography .profileContainer .item .year {
    grid-area: year;
    padding-top: 0;
  }
  #biography .profileContainer .item:after {
    width: 30%;
    margin-top: 0;
  }
  #biography .profileContainer .item .topic {
    grid-area: topic;
    border-bottom: none;
    padding: 1rem 0 0;
  }
  #biography .profileContainer .item .topic ul {
    color: #0a2e5a;
    font-weight: 500;
  }
  #biography .profileContainer .item .topic .detail {
    margin-top: 1.5rem;
  }
  #biography .profileContainer .item:first-child {
    border-top: 1px dashed #b1babe;
  }
  #biography .profileContainer .item:first-child .topic {
    border-top: none;
  }
}

/* ------------------------------------
// credentials
------------------------------------ */
#credentials {
  max-width: 1024px;
  padding: 0 2rem clamp(5rem, 6.9vw, 10rem);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 3.5vw, 5rem) clamp(2rem, 2.8vw, 4rem);
  position: relative;
}
#credentials h2 {
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.4rem, 1.9vw, 2.8rem);
  line-height: 1.8;
  margin-bottom: clamp(1.5rem, 2.1vw, 3rem);
  font-weight: 500;
  color: #2a5e8d;
}
#credentials h2::first-letter {
  color: #72c199;
}
#credentials ul li {
  display: grid;
  grid-template-columns: 3px 1fr;
  gap: 1rem;
}
#credentials ul li::before {
  content: "";
  width: 5px;
  aspect-ratio: 1;
  background: #428ba0;
  border-radius: 50vh;
  margin-top: 0.8rem;
}
#credentials ul li + li {
  margin-top: 0.5rem;
}
@media screen and (max-width: 768px) {
  #credentials {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
  }
  #credentials h2 {
    font-size: 2rem;
    line-height: 1.3;
    margin: 0 -2rem;
    padding: 2rem;
    cursor: pointer;
    border-top: solid 1px #fff;
    position: relative;
  }
  #credentials h2::after {
    content: "";
    width: 3rem;
    aspect-ratio: 1/1;
    background: url(../img/cmn/icon_plus.svg) no-repeat 0 0/contain;
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    transition: 0.3s;
  }
  #credentials h2.open::after {
    background-image: url(../img/cmn/icon_minus.svg);
  }
  #credentials ul {
    padding-bottom: 2rem;
  }
}