@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&family=Noto+Serif+JP:wght@300;400;500;600;700&display=swap");
#idea .content {
  width: min(100%, 1440px);
  margin-left: auto;
  margin-right: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
#idea .content .container {
  width: 90%;
  margin: 0 auto;
}
#idea .content .container .ttl2 {
  width: min(50vw, 700px);
  margin: 4em auto 2em;
}
#idea .content .container .ttl3 {
  width: min(12vw, 140px);
  margin: 2em auto 2em;
}
#idea .content .container .ttl4 {
  width: min(60vw, 400px);
  margin: 8em auto 0;
}
#idea .content .container .ttl5 {
  width: min(60vw, 250px);
  margin: 2em auto;
}
#idea .content .container p.lead {
  font-size: 1.2rem;
  font-weight: bold;
  text-align: center;
}
#idea .content .container .menuStack {
  width: min(100%, 1440px);
  aspect-ratio: 16/9;
  margin: 5% auto;
}
#idea .content .container .menuStack .cardcontainer {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1em 1em;
}
#idea .content .container .menuStack .cardcontainer .card {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 3;
  margin-bottom: 1em;
}
#idea .content .container .menuStack .cardcontainer .card .card_ph {
  position: relative;
  width: 100%;
  aspect-ratio: 2/2.85;
  perspective: 1000px;
  transform-style: preserve-3d;
}
#idea .content .container .menuStack .cardcontainer .card .card_ph:hover {
  cursor: pointer;
}
#idea .content .container .menuStack .cardcontainer .card .menuTitle {
  width: 100%;
  font-size: clamp(0.9rem, 0.8694rem + 0.1633vw, 1rem);
  line-height: 1.5;
}
#idea .content .container .menuStack .cardcontainer .card .menuTitle span {
  font-size: clamp(0.7rem, 0.6388rem + 0.3265vw, 0.9rem);
  margin-bottom: 0.5em;
}
#idea .content .container .menuStack .cardcontainer .card .menuTitle .logo_diplomaSystem {
  width: 50%;
  margin: 0.5em 0;
}
#idea .content .container .menuStack .cardcontainer .card .category {
  display: flex;
  gap: 4px;
}
#idea .content .container .menuStack .cardcontainer .card .category li {
  width: 100px;
  line-height: 1;
}
#idea .content .container .menuStack .cardcontainer .card .txtStack {
  display: none;
}
#idea .content .container .menuStack .cardcontainer .card .txtStack p {
  font-size: min(2.4vw, 0.9rem);
}
@media (orientation: portrait) and (max-width: 767px) {
  #idea .content .container .menuStack .cardcontainer .card .menuTitle {
    font-size: 1rem;
  }
  #idea .content .container .menuStack .cardcontainer .card .menuTitle span {
    font-size: 0.7rem;
  }
  #idea .content .container .menuStack .cardcontainer .card .txtStack p {
    font-size: 0.8rem;
  }
}
#idea .content .container .btmBanner .ph {
  width: min(100%, 590px);
  margin: 3% auto;
}
@media (orientation: portrait) and (max-width: 767px) {
  #idea .content .container {
    width: 90%;
  }
  #idea .content .container .title {
    width: min(50vw, 300px);
    margin: 4em auto 2em;
  }
  #idea .content .container .fl1 .item {
    width: 100%;
  }
}
#idea .cardface {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  font-weight: bold;
  color: #ffffff;
  box-shadow: 0 4px 4px rgba(0, 0, 0, 0.1), inset 0 1px 3px rgba(255, 255, 255, 0.3);
  transition: transform 0.6s;
  backface-visibility: hidden;
}
#idea .cardface__front {
  transform: none;
}
#idea .is-flipped .cardface__front {
  transform: rotateY(180deg);
}
#idea .cardface__back {
  transform: rotateY(180deg);
}
#idea .is-flipped .cardface__back {
  transform: rotateY(360deg);
}

/*# sourceMappingURL=idea.css.map */