* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro', 'Yu Gothic', 'メイリオ', Meiryo, sans-serif;
  line-height: 1.6;
  color: #333;
}

/* Main Section */
.main-section.estate {
  width: 100%;
}

/* Header */
.jtm.osaka__header,
.jtm.tokyo__header,
.training__header {
  background-color: #ffffe0;
  padding: 60px 20px 200px;
  text-align: center;
  position: relative;
  margin-top: 100px;
}

.jtm.osaka__header h1,
.jtm.tokyo__header h1,
.training__header h1 {
  font-size: 30px;
  margin-bottom: 10px;
  font-weight: bold;
}

.jtm.osaka__header p,
.jtm.tokyo__header p,
.training__header p {
  font-size: 20px;
  color: #666;
}

.jtm.osaka__header-underline,
.jtm.tokyo__header-underline,
.training__header-underline {
  width: 60px;
  height: 3px;
  background-color: #4a9fd8;
  margin: 10px auto;
}

/* Container */
.jtm.osaka__container,
.jtm.tokyo__container,
.training__container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

.jtm.osaka__container img,
.jtm.tokyo__container img,
.training__container img {
  width: 100%;
  max-width: 1180px;
  height: auto;
  display: block;
  margin: -170px auto 30px;
  position: relative;
  z-index: 1;
}

/* Description */
.training__description {
  font-size: 20px;
  line-height: 1.8;
  margin: 50px auto;
  padding: 0 20px;
  color: #555;
  max-width: 1180px;
}

/* Gallery */
.training__gallery {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  margin: 50px auto 100px;
  max-width: 1180px;
  padding: 0 20px;
}

.training__gallery img {
  width: 550px;
  height: 250px;
  object-fit: cover;
  margin-bottom: 100px;
}

/* Info Section */
.jtm.osaka__info,
.jtm.tokyo__info {
  background-color: #fff;
  max-width: 1180px;
  margin: 60px auto;
  padding: 20px;
}

.jtm.osaka__info-row,
.jtm.tokyo__info-row {
  display: flex;
  padding: 15px 0;
}

.jtm.osaka__info-row:last-child,
.jtm.tokyo__info-row:last-child {
  border-bottom: none;
}

.jtm.osaka__info-label,
.jtm.tokyo__info-label {
  width: 120px;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.jtm.osaka__info-content,
.jtm.tokyo__info-content {
  flex: 1;
  font-size: 16px;
  line-height: 1.7;
}

.jtm.osaka__info-content ul,
.jtm.tokyo__info-content ul {
  list-style: none;
  padding-left: 0;
}

.jtm.osaka__info-content li,
.jtm.tokyo__info-content li {
  padding-left: 1em;
  text-indent: -1em;
  margin-bottom: 8px;
}

.jtm.osaka__info-content li:before,
.jtm.tokyo__info-content li:before {
  content: "・";
  padding-right: 0.5em;
}

.jtm.osaka__info-content a,
.jtm.tokyo__info-content a {
  color: #4a9fd8;
  text-decoration: none;
}

.jtm.osaka__info-content a:hover,
.jtm.tokyo__info-content a:hover {
  text-decoration: underline;
}

/* ========================================
   モバイル対応 (768px以下)
   ======================================== */

@media screen and (max-width: 768px) {

  /* Header - モバイル */
  .jtm.osaka__header,
  .jtm.tokyo__header,
  .training__header {
    padding: 40px 15px 110px;
    margin-top: 60px;
  }

  .jtm.osaka__header h1,
  .jtm.tokyo__header h1,
  .training__header h1 {
    font-size: 24px;
  }

  .jtm.osaka__header p,
  .jtm.tokyo__header p,
  .training__header p {
    font-size: 16px;
  }

  /* Container - モバイル */
  .jtm.osaka__container,
  .jtm.tokyo__container,
  .training__container {
    padding: 0 15px;
  }

  .jtm.osaka__container img,
  .jtm.tokyo__container img,
  .training__container img {
    margin: -100px auto 20px;
  }

  /* Description - モバイル */
  .training__description {
    font-size: 16px;
    margin: 30px auto;
    padding: 0 15px;
  }

  /* Gallery - モバイル */
  .training__gallery {
    flex-direction: column;
    gap: 20px;
    margin: 30px auto 60px;
    padding: 0 15px;
  }

  .training__gallery img {
    width: 100%;
    height: auto;
    min-height: 200px;
    margin-bottom: 50px
  }

  /* Info Section - モバイル */
  .jtm.osaka__info,
  .jtm.tokyo__info {
    margin: 50px auto;
    padding: 15px;
  }

  .jtm.osaka__info-row,
  .jtm.tokyo__info-row {
    flex-direction: column;
    padding: 12px 0;
  }

  .jtm.osaka__info-label,
  .jtm.tokyo__info-label {
    width: 100%;
    margin-bottom: 8px;
    font-size: 13px;
  }

  .jtm.osaka__info-content,
  .jtm.tokyo__info-content {
    font-size: 14px;
  }
}

/* ========================================
   小型モバイル対応 (480px以下)
   ======================================== */

@media screen and (max-width: 480px) {

  /* Header - 小型モバイル */
  .jtm.osaka__header h1,
  .jtm.tokyo__header h1,
  .training__header h1 {
    font-size: 20px;
  }

  .jtm.osaka__header p,
  .jtm.tokyo__header p,
  .training__header p {
    font-size: 14px;
  }

  /* Description - 小型モバイル */
  .training__description {
    font-size: 14px;
  }
}