/* ===============================
   kma-audio-book-single.css
   audio_book single styles bundle
   =============================== */

.kma-audio-book-page .audio-book-hero-center{
  max-width: 960px;
  margin: 0 auto;
  overflow-anchor: none;
}

.kma-audio-book-page .audio-book__content{
  display: grid;
  gap: 14px;
}

.kma-audio-book-page .audio-book__terms{
  margin: 0;
  opacity: 0.8;
  font-size: 14px;
}

.kma-audio-book-page .audio-book__player{
  display: grid;
  gap: 12px;
  width: min(100%, 420px);
}

.kma-audio-book-page .audio-book__librarybtn,
.kma-audio-book-page .audio-book__librarybtn--link{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(136, 164, 214, 0.42);
  background: rgba(40, 58, 88, 0.9);
  color: rgba(255,255,255,0.96);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
}

.kma-audio-book-page .audio-book__librarybtn.is-faved{
  background: rgba(59, 91, 143, 0.96);
  border-color: rgba(165, 191, 235, 0.72);
}

.kma-audio-book-page .audio-book__summary{
  display: grid;
  gap: 10px;
  max-width: 720px;
}

.kma-audio-book-page .audio-book__section-title{
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
}

.kma-audio-book-page .audio-book__summary-body,
.kma-audio-book-page .audio-book__summary-body p{
  margin: 0;
  color: rgba(255,255,255,0.74);
}

.kma-audio-book-page .audio-book__summary-toggle{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  color: rgba(255,255,255,0.96);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
}

.kma-audio-book-page .audio-book__cover{
  display: flex;
  justify-content: flex-end;
}

.kma-audio-book-page .audio-book__cover img{
  display: block;
  width: clamp(220px, 16vw, 280px);
  max-width: 280px;
  height: auto;
  border-radius: 22px;
}

.kma-audio-book-page .entry-content{
  margin-top: 40px;
  overflow-anchor: none;
}

/* ===============================
   audio_book : Play button (Wide CTA)
   =============================== */

.audio-book__playbtn{
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 520px;
  height: 56px;
  padding: 0 30px 0 26px;
  border: 0;
  border-radius: 999px;
  background: #f59e0b;
  color: #111;
  box-shadow: 0 10px 22px rgba(0,0,0,0.10);
  cursor: pointer;

  font-size: 0;
  line-height: 0;
}

.audio-book__playbtn::before{
  content: "";
  display: inline-block;
  border-style: solid;
  border-width: 8px 0 8px 12px;
  border-color: transparent transparent transparent currentColor;
  margin-right: 6px;
  vertical-align: middle;
}

.audio-book__playbtn::after{
  content: "再生する";
  display: inline-block;
  font-size: 18px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: .06em;
  white-space: nowrap;
  vertical-align: middle;
}

.audio-book__playbtn:hover{
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(0,0,0,0.14);
}

.audio-book__playbtn:active{
  transform: translateY(0);
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.kma-audio-book-page .wp-block-post-excerpt a,
.kma-audio-book-page .wp-block-post-terms a{
  color: rgba(255,255,255,0.92);
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.kma-audio-book-page .wp-block-post-excerpt a:hover,
.kma-audio-book-page .wp-block-post-terms a:hover{
  color: #ffffff;
}

@media (max-width: 768px){
  .kma-audio-book-page .audio-book-hero-center{
    max-width: none;
  }

  .audio-book__playbtn{
    max-width: 100%;
    height: 60px;
  }
}

/* ===============================
   audio_book : Mobile 1-column
   =============================== */
@media (max-width: 768px){

  .kma-audio-book-page .ct-row{
    flex-direction: column;
  }

  .kma-audio-book-page .ct-row > .ct-column{
    width: 100%;
    flex: 0 0 100%;
  }

  .kma-audio-book-page .ct-row > .ct-column:nth-child(1){ order: 2; }
  .kma-audio-book-page .ct-row > .ct-column:nth-child(2){ order: 1; }
}

/* ===============================
   audio_book : hero layout (mobile)
   =============================== */
@media (max-width: 768px){

  .kma-audio-book-page .audio-book__hero{
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .kma-audio-book-page .audio-book__hero > .ct-col:last-child{
    order: 1;
  }

  .kma-audio-book-page .audio-book__hero > .ct-col:first-child{
    order: 2;
  }

  .kma-audio-book-page .audio-book__cover{
    justify-content: center;
  }

  .kma-audio-book-page .wp-block-post-featured-image{
    margin: 0;
  }

  .kma-audio-book-page .audio-book__cover img{
    width: min(58vw, 220px);
    max-width: 220px;
    border-radius: 20px;
  }

  .kma-audio-book-page .entry-title{
    font-size: 20px;
    line-height: 1.38;
    margin: 0;
  }

  .kma-audio-book-page .audio-book__content{
    gap: 14px;
  }

  .kma-audio-book-page .audio-book__terms{
    font-size: 15px;
    line-height: 1.4;
  }

  .kma-audio-book-page .audio-book__player{
    width: 100%;
    gap: 12px;
  }

  .kma-audio-book-page .audio-book__playbtn::after{
    font-size: 20px;
  }

  .kma-audio-book-page .audio-book__librarybtn,
  .kma-audio-book-page .audio-book__librarybtn--link{
    min-height: 56px;
    font-size: 18px;
  }

  .kma-audio-book-page .audio-book__section-title{
    font-size: 26px;
  }

  .kma-audio-book-page .audio-book__summary{
    gap: 10px;
    margin-top: 10px;
  }

  .kma-audio-book-page .audio-book__summary-body,
  .kma-audio-book-page .audio-book__summary-body p{
    font-size: 17px;
    line-height: 1.9;
  }

  .kma-audio-book-page .audio-book__summary-body{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }

  .kma-audio-book-page .audio-book__summary.is-expanded .audio-book__summary-body{
    display: block;
    -webkit-line-clamp: unset;
    overflow: visible;
  }

  .kma-audio-book-page .audio-book__summary-toggle{
    font-size: 18px;
  }

  .kma-audio-book-page .entry-content{
    margin-top: 28px;
  }
}

/* ===============================
   Play icon toggle (is-playing)
   =============================== */
.audio-book__playbtn:not(.is-playing)::before{
  border-width: 8px 0 8px 12px;
}

.audio-book__playbtn.is-playing::before{
  content: "❚❚";
  border: 0;
  font-size: 18px;
  line-height: 1;
  margin-right: 8px;
}

.audio-book__playbtn.is-playing::after{
  content: "再生中";
}

/* ===============================
   PC density adjustment
   =============================== */
@media (min-width: 1024px){

  /* ヒーロー全体を中央に締める */
  .kma-audio-book-page .audio-book__hero{
    max-width: 1040px;
    margin: 0 auto;
    gap: 20px;
  }

  /* アイキャッチを少し小さく */
  .kma-audio-book-page .audio-book__cover img{
    width: 300px;
    max-width: 300px;
    height: auto;
  }

  /* タイトルを一段階下げる */
  .kma-audio-book-page .entry-title{
    font-size: 26px;
    line-height: 1.25;
  }

  /* CTA横幅を締める */
  .audio-book__playbtn,
  .kma-audio-book-page .audio-book__librarybtn,
  .kma-audio-book-page .audio-book__librarybtn--link{
    max-width: 420px;
  }
}

/* ===============================
   audio_book : hero layout (PC tuning) 2026-02-18
   - reduce visual scale vs Audible
   =============================== */
@media (min-width: 769px){
  .kma-audio-book-page .audio-book__hero{
    display: flex;
    gap: 28px;
    align-items: flex-start;
  }

  /* featured image: a bit smaller */
  .kma-audio-book-page .entry-title{
    font-size: clamp(22px, 1.6vw, 30px);
    line-height: 1.15;
    margin: 0 0 10px;
  }
}