@charset "UTF-8";
.sec-intro {
  background-color: #F8F8F8;
  background-image: url(../../assets/img/intro/bg-grid.webp);
  background-repeat: repeat;
  background-position: 0 -3px;
  padding: 116px 0;
}
.intro-head {
  max-width: 1136px;
  margin: 0 auto;
}
.intro-title {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--c-text);
  text-align: center;
  line-height: 1.6;
  text-box-trim: trim-both;
  text-box-edge: cap alphabetic;
}
.intro-title-line { display: block; font-size: 48px; }
.intro-t-a, .intro-t-b, .intro-t-d { font-size: 40px; }
.intro-t-c { font-size: 48px; }
.intro-gold { color: var(--c-gold); }
.intro-br-sp { display: none; }
.intro-line {
  display: block;
  width: 80px;
  height: 1px;
  margin: 48px auto 0;
}
.intro-lead {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.72px;
  color: var(--c-text);
  text-align: center;
  margin-top: 40px;
}
.intro-lead--sp { display: none; }
.intro-cards {
  display: flex;
  justify-content: center;
  gap: 38px;
  width: min(1321px, calc(100% - 80px));
  margin: 88px auto 0;
}
.intro-card {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 19px;
  background: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.25);
  padding: 10px 12px 39px 13px;
}
.intro-card-img {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 390 / 220;
}
.intro-card-img img {
  position: absolute;
  max-width: none;
  object-fit: cover;
}
.intro-card--immediate .intro-card-img img {
  left: -3.3333%; top: -4.5455%; width: 107.4359%; height: 108.6364%;
}
.intro-card--denture .intro-card-img img {
  left: -6.6667%; top: -4.5455%; width: 111.7949%; height: 113.1818%;
}
.intro-card--flapless .intro-card-img img {
  left: -3.0769%; top: 0; width: 103.0769%; height: 129.0909%;
  border-radius: 8px;
}
.intro-card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 320px;
  max-width: 100%;
  color: var(--c-text);
}
.intro-card-ttl {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 20px;
  line-height: 20px;
  letter-spacing: -0.1504px;
  text-align: center;
}
.intro-card-txt {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 16px;
  line-height: 2;
  text-wrap: pretty;
}
.intro-card--immediate .intro-card-txt { text-align: justify; }
@media (max-width: 767px) {
  .sec-intro {
    background-position: 0 0;
    padding: 80px 0 76px;
  }
  .intro-head {
    max-width: none;
    padding: 0 24px;
  }
  .intro-title-line1 { font-size: 24px; }
  .intro-title-line2 { font-size: 28px; }
  .intro-t-a, .intro-t-c { font-size: 20px; }
  .intro-t-b, .intro-t-d { font-size: 24px; }
  .intro-br-sp { display: inline; }
  .intro-line { width: 64px; margin-top: 32px; }
  .intro-lead {
    font-size: 16px;
    letter-spacing: 0.48px;
    text-align: justify;
  }
  .intro-lead--pc { display: none; }
  .intro-lead--sp { display: block; }
  .intro-cards {
    flex-direction: column;
    align-items: center;
    gap: 38px;
    width: 288px;
    margin: 44px auto 0;
  }
  .intro-card {
    flex: none;
    width: 100%;
    padding: 10px 12px 15px 13px;
  }
  .intro-card-img { aspect-ratio: 263 / 136.034; }
  .intro-card--immediate .intro-card-img img {
    left: -1.5209%; top: -5.8809%; width: 102.6616%; height: 109.5314%;
  }
  .intro-card--denture .intro-card-img {
    width: 88.2129%;
    aspect-ratio: 232 / 120;
  }
  .intro-card--denture .intro-card-img img {
    left: -3.3329%; top: -20.8333%; width: 105.1281%; height: 141.375%;
  }
  .intro-card--flapless .intro-card-img img {
    left: -4.5627%; top: -8.0862%; width: 104.5627%; height: 142.6115%;
  }
  .intro-card-body { width: 100%; gap: 8px; }
  .intro-card--denture .intro-card-body { width: 88.2129%; }
  .intro-card--denture .intro-card-ttl { font-size: 16px; line-height: 1.6; }
  .intro-card--denture .intro-card-ttl-main { font-size: 20px; line-height: 1.6; }
  .intro-card-ttl-sub { font-size: 16px; }
  .intro-card--immediate .intro-card-txt { text-align: center; }
}
@media (min-width: 768px) and (max-width: 1279px) {
  .intro-head { max-width: min(1136px, calc(100% - 48px)); }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .intro-title-line { font-size: 43px; }
  .intro-t-a, .intro-t-b, .intro-t-d { font-size: 36px; }
  .intro-t-c { font-size: 43px; }
}
@media (min-width: 768px) and (max-width: 1279px) {
  .intro-card { min-width: 0; }
  .intro-card-body { width: min(320px, 100%); }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .intro-cards { flex-wrap: wrap; gap: 24px; }
  .intro-card { flex: 0 0 calc(50% - 12px); }
}