.prayer-wrap{
  max-width: 980px;
  margin: 0 auto;
  padding: 16px;
}

.prayer-header{
  display: flex;
  gap: 12px;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.prayer-title{
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.prayer-page-no{
  font-size: 14px;
  opacity: .8;
  white-space: nowrap;
}

.tategaki{
  writing-mode: vertical-rl;
  text-orientation: mixed;
  line-height: 2.05;
  letter-spacing: 0.03em;
  font-size: 24px;
  font-family: "Hiragino Mincho ProN","Noto Serif JP","Yu Mincho",serif;
  background: #fff;
  border: 1px solid rgba(0,0,0,.08);
  border-radius: 12px;
  padding: 18px 16px;
  overflow-x: auto; /* 画面が狭い時に横スクロール */
}

.tanka{
  margin: 0;
}
.tanka + .tanka{
  margin-right: 10px;
  padding-right: 10px;
  border-right: 1px dashed rgba(0, 0, 0, .15);
}

.tanka .no{
  display: inline-block;
  font-size: 12px;
  opacity: .75;
  margin-left: 10px; /* 縦書きの番号と本文の間隔 */
  vertical-align: top;
}

.tanka .lines{
  display: inline-block;
}

.tanka .line{
  display: block; /* 1行ずつ改行 */
}

/* ruby（ふりがな） */
ruby{ ruby-position: over; } /* 縦書き時は右側に出る挙動になりやすい */
rt{
  font-size: 0.55em;
  line-height: 1;
  letter-spacing: 0;
  opacity: .85;
}

/* ナビ */
.prayer-nav{
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 12px;
  flex-wrap: wrap;
}
.prayer-nav a{
  display: inline-block;
  padding: 10px 12px;
  border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
}
.prayer-nav a:hover{ opacity: .85; }


/* スマホだけ：右が切れないよう全体を縮小して中央配置 */
@media (max-width: 600px){
  .prayer-wrap{
    max-width: 100vw;
    padding: 0;
    overflow: hidden;        /* x軸スクロール禁止 */
  }

  .tategaki{
    transform: scale(0.85);  /* ← ここが肝。必要なら0.80〜0.90で微調整 */
    transform-origin: top center;
    margin: 0 auto;
  }
}