@charset "UTF-8";

/* ===== periodontal page ===== */

/* self-check grid */
.perio__check__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 28px;
}
.perio__check__grid li {
  border-bottom: 1px dashed #cfe4ec;
}
@media (max-width: 767px) {
  .perio__check__grid { grid-template-columns: 1fr; gap: 0; }
}

/* 治療の流れ */
.perio__flow {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  gap: 24px;
}
.perio__flow__item {
  display: grid;
  grid-template-columns: 31% 1fr;
  gap: 28px;
  align-items: start;
  background: #fff;
  border: 1px solid #d6e8ee;
  border-radius: 10px;
  padding: 28px 32px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.perio__flow__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}
.perio__flow__body {
  min-width: 0;
}
.perio__flow__title {
  font-size: 20px;
  font-weight: 700;
  color: #1c4a5a;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #d6e8ee;
  line-height: 1.4;
}
.perio__flow__step {
  display: inline-block;
  background: #2a7d9b;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  margin-right: 12px;
  vertical-align: middle;
  letter-spacing: 0.05em;
}
.perio__flow__body > p {
  font-size: 15px;
  line-height: 1.8;
  margin: 0 0 12px;
}
.perio__flow__dl {
  margin: 12px 0 0;
}
.perio__flow__dl dt {
  font-weight: 700;
  color: #2a7d9b;
  background: #f3f9fb;
  border-left: 4px solid #2a7d9b;
  padding: 8px 14px;
  margin: 16px 0 8px;
  font-size: 16px;
}
.perio__flow__dl dt:first-of-type { margin-top: 0; }
.perio__flow__dl dd {
  margin: 0;
  padding: 0 4px;
  font-size: 15px;
  line-height: 1.8;
}
@media (max-width: 767px) {
  .perio__flow__item {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 20px 18px;
  }
  .perio__flow__title { font-size: 17px; }
  .perio__flow__step { font-size: 12px; padding: 3px 10px; }
}

/* 予防方法 3カラム */
.perio__prevent {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.perio__prevent__item {
  background: #fff;
  border: 1px solid #d6e8ee;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.perio__prevent__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 14px;
}
.perio__prevent__title {
  font-size: 18px;
  font-weight: 700;
  color: #2a7d9b;
  margin: 0 0 10px;
  padding-bottom: 8px;
  border-bottom: 2px solid #d6e8ee;
}
.perio__prevent__item p {
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}
@media (max-width: 767px) {
  .perio__prevent { grid-template-columns: 1fr; gap: 16px; }
}