@charset "UTF-8";

.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.container-narrow { max-width: 800px; margin: 0 auto; padding: 0 40px; }

.bg-sub { background-color: var(--bg-light); }

.ribbon-section { padding: 100px 0; }

.pro-header {
  background-color: #ffffff;
  padding: 160px 0 60px;
  border-bottom: 1px solid #f0f0f0;
}
.pro-title {
  font-size: clamp(32px, 4.5vw, 48px);
  font-weight: 700;
  color: var(--main-color);
  margin: 15px 0;
}
.pro-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   Section Elements
   ========================================================================== */
.index-number {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent-color);
  margin-bottom: 15px;
  letter-spacing: 0.1em;
}

.detail-title {
  font-size: 28px;
  color: var(--main-color);
  margin-bottom: 25px;
  font-weight: 700;
}

.detail-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 40px;
}

/* 期間・テーマカード (リード文直下) */
.info-highlight-card {
  background: #ffffff;
  padding: 30px;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.info-row {
  display: flex;
  align-items: center;
  gap: 20px;
}
.info-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-color);
  width: 60px;
}
.info-value {
  font-weight: 700;
  color: var(--main-color);
  font-size: 18px;
}

/* スプリットレイアウト */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.resource-visual img {
  width: 100%;
  height: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,0.1);
}

/* 価格ボックス */
.price-box {
  margin-bottom: 40px;
}
.price-item {
  margin-bottom: 20px;
}
.price-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 5px;
}
.price-amount {
  font-size: 24px;
  font-weight: 700;
  color: var(--main-color);
}
.price-amount span {
  font-size: 14px;
  font-weight: 500;
}

/* 特典カード (Notice) */
.notice-card {
  background-color: var(--bg-light);
  padding: 25px;
  border-left: 4px solid var(--accent-color);
  margin-bottom: 40px;
}
.notice-tag {
  display: inline-block;
  font-size: 10px;
  background: var(--accent-color);
  color: #fff;
  padding: 2px 8px;
  font-weight: 800;
  margin-bottom: 10px;
}
.notice-title {
  font-weight: 700;
  color: var(--main-color);
  margin-bottom: 5px;
}
.notice-text strong {
  color: var(--accent-color);
  font-size: 1.2em;
}

/* ボタン */
.btn-pro {
  display: inline-flex;
  padding: 18px 40px;
  background: var(--main-color);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  transition: 0.3s;
}
.btn-pro:hover {
  background: var(--accent-color);
}
.cta-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 15px;
}

/* パートナーグリッド */
.partner-tile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin-top: 50px;
}
.partner-tile-grid li {
  background: #fff;
  padding: 10px 15px;
  text-align: center;
  font-weight: 400;
  font-size: 90%;
  color: var(--main-color);
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  transition: 0.3s;
}
.partner-text {
  font-size: 16px;
  line-height: 1.8;
  text-align: center;
  color: var(--text-main);
  margin: 40px 10px;;
}

@media (max-width: 960px) {
  .split-layout { grid-template-columns: 1fr; gap: 40px; }
  .info-row { flex-direction: column; align-items: flex-start; gap: 5px; }
}