.operation-main {
  padding: 30px 20px;
  text-align: center;
}

h2 {
  font-size: 28px;
  color: #3f3f3f;
  font-weight: bold;
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  margin-top: 50px;
  margin-bottom: 30px;
  text-align: center;
}

.under-img {
  margin: 15px auto 0;
  max-width: 100%;
  height: auto;
}

h3 {
  font-size: 20px;
  color: #3f3f3f;
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 20px;
    text-align: center;
  }
  .logo {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }
  .logo img { width: 200px; }
  .site-title { font-size: 28px; }

  .nav-links {
    align-items: center;
    width: 100%;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links a {
    width: 90%;
    max-width: 300px;
    min-width: unset;
    font-size: 14px;
  }
  .nav-links a.sns-link {
    width: auto !important;
    max-width: none !important;
    min-width: unset;
  }
  
  .main-title {
    font-size: 32px;
  }
  .back-btn img {
    width: 40px;
  }
  .background-image {
    width: 250px;
  }
}

.content-card,
.operation-block {
  max-width: 980px;
  margin-left: auto;
  margin-right: auto;
}
.operation-block p,
.note-description {
  display: block !important;
  color: #3f3f3f;
  font-size: 28px;
  line-height: 1.8;
  font-weight: 700;
  margin: 0 0 18px;
  text-align: center;
  text-shadow: none;
}
.operation-block p:last-child,
.note-description:last-child {
  margin-bottom: 80px;
}
.note-label {
  display: inline-block;
  margin-top: 32px;
  margin-bottom: 18px;
}
.title-explanation {
  margin-bottom: 56px;
}

/* ドリームパーク本文フォント: Sora ExtraBold */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@800&display=swap');

:root {
  --dream-park-text-font: "Sora", "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  --dream-park-text-weight: 800;
}

#content-root h1,
#content-root .operation-block p,
#content-root .title-explanation {
  font-family: var(--dream-park-text-font);
  font-weight: var(--dream-park-text-weight);
}

/* ドリームパークの画像リンクボタン */
:root {
  --dream-park-link-button-width: 180px;
}

.dream-park-link-button-box {
  margin: 18px auto 56px !important;
  text-align: center;
}

.dream-park-link-button-box a {
  display: inline-block;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.dream-park-link-button-box a:hover {
  transform: translateY(-3px) scale(1.03);
  filter: brightness(1.08);
}

.dream-park-link-button-image {
  display: block;
  width: min(var(--dream-park-link-button-width), 80vw);
  max-width: 100%;
  height: auto;
}

#harmony-garden,
#mega-sphere {
  scroll-margin-top: 150px;
}
#content-root .operation-block p,
#content-root .title-explanation {
  color: #3f3f3f;
}
#content-root .emphasis-section {
  color: #0079ad;
}
.park-heading {
  margin-top: 78px;
  margin-bottom: 56px;
}
.park-title-purple {
  color: #a45cff !important;
  font-size: clamp(36px, 5vw, 52px) !important;
  line-height: 1.15 !important;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

@media (max-width: 760px) {
  .park-heading {
    margin-top: 56px;
    margin-bottom: 34px;
  }

  .park-title-purple {
    font-size: clamp(26px, 8vw, 34px) !important;
    line-height: 1.18 !important;
  }
}
/* ポカジャン説明: クリックで開閉できます */
.pocajan-rule-summary {
  width: min(900px, calc(100% - 48px));
  margin: 18px auto 80px;
  padding: 0;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(70, 212, 255, 0.32);
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(0, 148, 216, 0.12);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-sizing: border-box;
  overflow: hidden;
}

.pocajan-rule-summary summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 24px;
  background: #13a1ff;
  color: #fff;
  font-family: var(--dream-park-text-font);
  font-size: 26px;
  font-weight: var(--dream-park-text-weight);
  text-align: left;
  text-shadow: 0 2px 8px rgba(0, 98, 150, 0.22);
}

.pocajan-rule-summary summary::-webkit-details-marker {
  display: none;
}

.pocajan-rule-summary summary::after {
  content: "▲";
  float: right;
  font-size: 16px;
  line-height: 32px;
  opacity: 0.92;
}

.pocajan-rule-summary:not([open]) summary::after {
  content: "▼";
}

.pocajan-rule-content {
  padding: 28px;
}

.pocajan-rule-content h2 {
  margin: 0 0 14px;
  padding-bottom: 8px;
  color: #0079ad;
  font-family: var(--dream-park-text-font);
  font-size: 24px;
  font-weight: var(--dream-park-text-weight);
  text-align: left;
  border-bottom: 2px solid rgba(70, 212, 255, 0.38);
}

.pocajan-rule-table {
  width: 100%;
  margin: 8px 0 28px;
  border-collapse: separate;
  border-spacing: 0 10px;
  font-family: var(--dream-park-text-font);
}

.pocajan-rule-table th,
.pocajan-rule-table td {
  padding: 14px 16px;
  font-size: 18px;
  line-height: 1.65;
  vertical-align: middle;
}

.pocajan-rule-table th {
  width: 28%;
  min-width: 160px;
  background: rgba(70, 212, 255, 0.92);
  color: #fff;
  border-radius: 12px 0 0 12px;
  text-align: center;
}

.pocajan-rule-table td {
  background: rgba(255, 255, 255, 0.86);
  color: #3f3f3f;
  border-radius: 0 12px 12px 0;
  text-align: left;
}

.pocajan-rule-list {
  margin: 0;
  padding-left: 1.35em;
  color: #3f3f3f;
  font-family: var(--dream-park-text-font);
  font-size: 18px;
  line-height: 1.8;
  text-align: left;
}

.pocajan-rule-list li {
  margin: 0 0 10px;
}

@media (max-width: 640px) {
  .pocajan-rule-summary summary {
    padding: 16px 18px;
    font-size: 21px;
  }

  .pocajan-rule-summary summary::after {
    font-size: 14px;
    line-height: 28px;
  }

  .pocajan-rule-content {
    padding: 20px 16px;
  }

  .pocajan-rule-table,
  .pocajan-rule-table tbody,
  .pocajan-rule-table tr,
  .pocajan-rule-table th,
  .pocajan-rule-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  .pocajan-rule-table tr {
    margin: 0 0 12px;
  }

  .pocajan-rule-table th {
    min-width: 0;
    border-radius: 12px 12px 0 0;
  }

  .pocajan-rule-table td {
    border-radius: 0 0 12px 12px;
  }
}
/* ??System??? */


/* rhythm_game.html冒頭説明と同じ見た目 */
#content-root .system-intro-text {
  display: block !important;
  color: #3f3f3f;
  font-size: 28px;
  line-height: 1.8;
  font-weight: 700;
  margin: 0 0 18px;
  text-shadow: none;
}

.cooking-rule-summary summary {
  background: #ffbb00;
}