/* ===================================
   歯周病の原因
=================================== */

.periodontal-cause,
.periodontal-cause *,
.periodontal-cause *::before,
.periodontal-cause *::after {
  box-sizing: border-box;
}

.periodontal-cause__lead {
  margin-bottom: 30px;
  padding: 24px 26px;
  border: 1px solid #e2d6cc;
  border-radius: 6px;
  background: #f8f3ef;
}

.periodontal-cause__lead h4 {
  position: relative;
  margin: 0 0 15px;
  padding: 0 0 10px 27px;
  border-bottom: 1px dashed #ceb9aa;
  color: #7c5642;
  font-size: 20px;
  line-height: 1.6;
  font-weight: bold;
}

.periodontal-cause__lead h4::before {
  position: absolute;
  top: 9px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #a5745a;
  content: "";
}

.periodontal-cause__lead p {
  margin: 0;
  line-height: 2;
}

/* リスク要因 */
.periodontal-risk {
  margin-bottom: 30px;
}

.periodontal-risk > h4 {
  margin: 0 0 18px;
  padding: 12px 18px;
  border-left: 6px solid #9b6950;
  background: #eee3db;
  color: #714b38;
  font-size: 20px;
  line-height: 1.5;
  font-weight: bold;
}

.periodontal-risk__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.periodontal-risk__item {
  margin: 0;
  padding: 19px 20px;
  border: 1px solid #e1d4ca;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 3px 10px rgba(83, 57, 43, 0.06);
}

.periodontal-risk__item:last-child {
  grid-column: 1 / -1;
}

.periodontal-risk__item h5 {
  position: relative;
  margin: 0 0 11px;
  padding: 0 0 8px 28px;
  border-bottom: 1px dashed #dac8bc;
  color: #805641;
  font-size: 18px;
  line-height: 1.5;
  font-weight: bold;
}

.periodontal-risk__item h5::before {
  position: absolute;
  top: 2px;
  left: 0;
  color: #a66d4e;
  content: "✓";
  font-size: 20px;
  line-height: 1;
  font-weight: bold;
}

.periodontal-risk__item ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.periodontal-risk__item li {
  position: relative;
  margin: 0 0 7px;
  padding-left: 17px;
  line-height: 1.8;
}

.periodontal-risk__item li:last-child {
  margin-bottom: 0;
}

.periodontal-risk__item li::before {
  position: absolute;
  top: 0;
  left: 2px;
  color: #9b6950;
  content: "・";
  font-weight: bold;
}

/* 遺伝的リスク */
.periodontal-cause__genetic {
  padding: 23px 25px;
  border: 2px solid #b98c74;
  border-radius: 6px;
  background: #fffaf7;
}

.periodontal-cause__genetic h4 {
  margin: 0 0 14px;
  color: #80523c;
  font-size: 19px;
  line-height: 1.6;
  font-weight: bold;
}

.periodontal-cause__genetic p {
  margin: 0 0 12px;
  line-height: 2;
}

.periodontal-cause__genetic p:last-child {
  margin-bottom: 0;
}

@media screen and (max-width: 767px) {
  .periodontal-cause__lead {
    margin-bottom: 23px;
    padding: 18px 15px;
  }

  .periodontal-cause__lead h4 {
    padding-left: 24px;
    font-size: 17px;
  }

  .periodontal-cause__lead h4::before {
    top: 7px;
    width: 12px;
    height: 12px;
  }

  .periodontal-risk {
    margin-bottom: 23px;
  }

  .periodontal-risk > h4 {
    padding: 10px 13px;
    font-size: 18px;
  }

  .periodontal-risk__list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .periodontal-risk__item,
  .periodontal-risk__item:last-child {
    grid-column: auto;
  }

  .periodontal-risk__item {
    padding: 16px 14px;
  }

  .periodontal-risk__item h5 {
    font-size: 16px;
  }

  .periodontal-cause__genetic {
    padding: 18px 15px;
  }

  .periodontal-cause__genetic h4 {
    font-size: 17px;
  }
}


/* ===================================
   歯周病の進行
=================================== */

.periodontal-levels,
.periodontal-levels *,
.periodontal-levels *::before,
.periodontal-levels *::after {
  box-sizing: border-box;
}

.periodontal-levels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.periodontal-level {
  margin: 0;
  overflow: hidden;
  border: 1px solid #dfd3c9;
  border-radius: 7px;
  background: #fff;
  box-shadow: 0 4px 12px rgba(83, 57, 43, 0.07);
}

.periodontal-level h3 {
  display: flex;
  align-items: stretch;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: #f2e9e3;
}

.periodontal-level__label {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  min-width: 105px;
  padding: 14px 12px;
  background: #9b6950;
  color: #fff;
  font-size: 15px;
  line-height: 1;
  font-weight: bold;
}

.periodontal-level__label strong {
  margin-left: 4px;
  font-size: 25px;
  line-height: 1;
}

.periodontal-level__title {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding: 12px 15px;
  color: #73503f;
  font-size: 19px;
  line-height: 1.4;
  font-weight: bold;
}

.periodontal-level__title span {
  display: block;
  margin-top: 2px;
  font-size: 13px;
  font-weight: normal;
}

.periodontal-level__body {
  padding: 21px 22px 23px;
}

.periodontal-level__body p {
  margin: 0 0 13px;
  line-height: 1.9;
}

.periodontal-level__body p:last-child {
  margin-bottom: 0;
}

.periodontal-level__pocket {
  margin-top: 18px !important;
  padding: 11px 13px;
  border-left: 4px solid #9b6950;
  background: #f8f3ef;
  color: #72503f;
}

.periodontal-level__pocket strong {
  font-size: 17px;
}

/* レベルごとの濃淡 */
.periodontal-level--2 .periodontal-level__label {
  background: #92715b;
}

.periodontal-level--2 .periodontal-level__pocket {
  border-left-color: #92715b;
}

.periodontal-level--3 .periodontal-level__label {
  background: #82604c;
}

.periodontal-level--3 .periodontal-level__pocket {
  border-left-color: #82604c;
}

.periodontal-level--4 .periodontal-level__label {
  background: #744936;
}

.periodontal-level--4 .periodontal-level__pocket {
  border-left-color: #744936;
}

@media screen and (max-width: 767px) {
  .periodontal-levels {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .periodontal-level__label {
    min-width: 85px;
    padding: 12px 9px;
    font-size: 13px;
  }

  .periodontal-level__label strong {
    font-size: 21px;
  }

  .periodontal-level__title {
    padding: 10px 12px;
    font-size: 17px;
  }

  .periodontal-level__title span {
    font-size: 12px;
  }

  .periodontal-level__body {
    padding: 17px 15px 19px;
  }

  .periodontal-level__body p {
    line-height: 1.85;
  }

  .periodontal-level__pocket {
    margin-top: 15px !important;
    padding: 10px 11px;
  }
}


/* ===================================
   歯周病：検査方法・歯周治療
=================================== */

#periodontal #service-guide #periodontal03 .periodontal-treatment-section,
#periodontal #service-guide #periodontal03 .periodontal-treatment-section *,
#periodontal #service-guide #periodontal03 .periodontal-treatment-section *::before,
#periodontal #service-guide #periodontal03 .periodontal-treatment-section *::after {
  box-sizing: border-box;
}

#periodontal #service-guide #periodontal03 .periodontal-treatment-section {
  display: block;
  width: 100%;
  margin: 0 0 70px;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
}

#periodontal #service-guide #periodontal03 .periodontal-treatment-section:last-child {
  margin-bottom: 0;
}

/* 導入文 */
#periodontal #service-guide #periodontal03 .periodontal-treatment-intro {
  display: block;
  width: 100%;
  margin: 0 0 25px;
  padding: 20px 24px;
  border: 0;
  border-left: 5px solid #9b6950;
  background: #f7f1ed;
  text-align: left;
}

#periodontal #service-guide #periodontal03 .periodontal-treatment-intro p {
  margin: 0;
  padding: 0;
  color: #534741;
  font-size: 18px;
  line-height: 2;
  text-align: left;
}

/* カード一覧 */
#periodontal #service-guide #periodontal03 .periodontal-method-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 100%;
  margin: 0;
  padding: 0;
  gap: 20px;
}

/* 検査方法の5番目 */
#periodontal #service-guide #periodontal03
.periodontal-treatment-section:first-child
.periodontal-method-item:last-child {
  grid-column: 1 / -1;
}

/* 歯周基本治療の3番目 */
#periodontal #service-guide #periodontal03
.periodontal-method-list--3
.periodontal-method-item:last-child {
  grid-column: 1 / -1;
}

/* カード */
#periodontal #service-guide #periodontal03 .periodontal-method-item {
  position: static;
  display: block;
  float: none;
  width: auto;
  min-width: 0;
  min-height: 0;
  margin: 0;
  padding: 0 22px 22px;
  overflow: hidden;
  border: 1px solid #dfd1c7;
  border-radius: 7px;
  background: #fff;
  background-image: none;
  color: #534741;
  text-align: left;
  box-shadow: 0 4px 12px rgba(82, 54, 39, 0.07);
}

/* カード見出し */
#periodontal #service-guide #periodontal03 .periodontal-method-item > h3 {
  position: static;
  top: auto;
  display: flex;
  float: none;
  align-items: center;
  width: auto;
  margin: 0 -22px 19px;
  padding: 13px 18px;
  border: 0;
  border-radius: 0;
  background: #f1e7e0;
  color: #75503e;
  font-size: 19px;
  line-height: 1.5;
  font-weight: bold;
  letter-spacing: 0;
  text-align: left;
}

/* 番号 */
#periodontal #service-guide #periodontal03 .periodontal-method-num {
  position: static;
  display: flex;
  float: none;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin: 0 11px 0 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #9b6950;
  color: #fff;
  font-size: 17px;
  line-height: 1;
  font-weight: bold;
  text-align: center;
}

/* 本文 */
#periodontal #service-guide #periodontal03 .periodontal-method-item > p {
  display: block;
  width: auto;
  margin: 0 0 13px;
  padding: 0;
  color: #534741;
  font-size: 18px;
  line-height: 1.9;
  text-align: left;
}

#periodontal #service-guide #periodontal03 .periodontal-method-item > p:last-child {
  margin-bottom: 0;
}

/* 歯周外科治療 */
#periodontal #service-guide #periodontal03 .periodontal-method-item--surgery {
  border-color: #d9c2b5;
}

#periodontal #service-guide #periodontal03
.periodontal-method-item--surgery > h3 {
  background: #eadbd2;
}

#periodontal #service-guide #periodontal03
.periodontal-method-item--surgery
.periodontal-method-num {
  background: #84523d;
}


#periodontal .service-link {
  margin-top: 50px;
}


/* 進行度カード内画像 */
.periodontal-level__image {
  width: 100%;
  margin: 0 0 18px;
  overflow: hidden;
  border-radius: 5px;
  text-align: center;
}

.periodontal-level__image img {
  display: block;
  float: none;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
}
@media screen and (max-width: 767px) {
  .periodontal-level__image {
    margin-bottom: 15px;
  }
}


/* ===================================
   検査方法 画像一覧
=================================== */
#periodontal #service-guide #periodontal03 .periodontal-exam-images {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: 100%;
  margin: 30px 0 0;
  padding: 0;
  gap: 15px;
}

#periodontal #service-guide #periodontal03 .periodontal-exam-images__item {
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border-radius: 5px;
  background: #f5f5f5;
}

#periodontal #service-guide #periodontal03 .periodontal-exam-images__item img {
  display: block;
  width: 100%;
  height: auto;
  margin: 0;
}

/* スマートフォン：2枚ずつ */
@media screen and (max-width: 767px) {
  #periodontal #service-guide #periodontal03 .periodontal-exam-images {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 22px;
    gap: 10px;
  }
}