/* ========================================
   PC版レイアウト
======================================== */

@media screen and (min-width: 750px) {

  /* 左側：ヒーローを画面に固定 */
  .hero {
    position: fixed;
    top: 0;
    left: 0;
    width: 40%;
    height: 100vh;
    min-height: 0;
    margin: 0;
    z-index: 1;
  }

/* ナビゲーションメニュー文字サイズ */
.site-nav a {
  position: relative;
  color: #fff;
  text-decoration: none;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 400;
}


/* PC版トップ */
.hero {
  display: none;
}

.hero-pc {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 40%;
  height: 100vh;
  overflow: hidden;
  z-index: 1;
}

.hero-pc-content {
  display: block;
}

.hero-pc-caption {
  display: block;
}


.hero-pc-img01,
.hero-pc-img02{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* PC版：画像02をフェード表示 */
.hero-pc-img02 {
  animation: crossfade 10s infinite;
}


/* PC版：右側の書影 */
.hero-pc-book {
 display: block;
  width: 70%;
  height: auto;
  margin: 0 auto 30px;
}

/* PC版：タイトルとコピー */
.hero-pc-caption {
  width: 100%;
  padding: 0 30px 40px;
  box-sizing: border-box;
  text-align: center;
}

.hero-pc-title {
  font-size: clamp(32px, 5vw, 70px);
  line-height: 1;
  margin-bottom: 30px;
  font-weight: 600;
}

.hero-pc-title span {
  display: inline;
  margin-left: 10px;
}

.hero-pc-text {
  font-size:17px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.1em;
}


  /* 右側ヒーロー部分下のライン */
.hero-pc-content {
  position: relative;
  margin-bottom:50px;
}

.hero-pc-content::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 80px;
  right: 80px;
  border-bottom: 1px solid #222;
}


  /* 左側：ヒーローの縦幅を調整 */
  .hero {
  padding-bottom: 0;
}

.hero-copy {
  width: 50px;
  left: 15px;
  top: 15px;
}

.hero-copy img {
  width: 100%;
}


  /* 右側：ヘッダーを固定 */
  .site-header {
    position: fixed;
    top: 0;
    left: 40%;
    width: 60%;
    z-index: 1000;
  }

  /* 右側：コンテンツ領域 */
  main {
    width: 60%;
    margin-left: 40%;
    padding-top: 75px;
  }

  /* 右側：購入ボタンを下端に固定 */
  .purchase-fixed {
    position: fixed;
    left: 40%;
    bottom: 0;
    width: 60%;
    margin: 0;
    z-index: 1000;
  }

  /* 黒タブとの間隔調整 */

.section {
  display: grid;
  grid-template-columns: 30px 1fr;
  column-gap: 50px;
}

/* ========================================
   各画像の大きさ、間隔の調整
======================================== */

   /* アンブレラマーカーの大きさ調整 */
  .umbrella_marker img {
    width: 35%;
  }

 /* サイン本の大きさ調整 */
.sign_book img{
margin-top: 50px;
width: 60%;
}

   /* SEshop特典の大きさ調整 */
.SEshop_tokuten img{
  width: 70%;
}


   /* Tシャツの大きさ調整 */
.T_shirt img{
margin-top: 50px;
  width: 60%;
}



 /* スローガン大きさ調整 */
.slogan img{
  width: 60%;
  margin-top: 80px;
  margin-bottom: 80px;
}

 /* 既刊シリーズ画像のの大きさと列数の調整 */
.book-series-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
}

.book-series-grid img{
width: 80%;
}

 /* シェアボタンの調整 */
  .sns-share-button {
    width: 60%;
    margin-left: 40%;
    margin-bottom: 50px;
    margin-top: 100px;
  }



/* ========================================
   説明文
======================================== */

.contents-lead {
  margin: 0 0 18px;

  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.contents-title {
  margin: 0 0 10px;

  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  margin-top: 15px;
}


/* ========================================
   注意書き
======================================== */

.special-note {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 300;
  line-height: 0;
  letter-spacing: 0.03em;
}



/* ========================================
黒タブ大きさ調整
======================================== */


/* ========================================
   黒タブとコンテンツのスペース
======================================== */

  /* 左：黒タブ40px / 右：残り全部 */
.section {
  display: grid;
  grid-template-columns: 40px 1fr;

  width: 100%;
  margin: 0;
  padding: 0;
}


/* 黒タブの大きさ */
.section-tab {
 position: relative;
  width: 100%;
  height: 180px;

  margin: 0;
  padding: 20px 0px;
  padding-left: 5px;

  background: #222;
  color: #fff;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;

  overflow: hidden;
}

/* テキスト */
.section-tab-title {
  display: inline-block;

  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.1em;

  white-space: nowrap;

  transform: rotate(90deg);
  margin-top: 20px;
}

/* ／全国書店だけ */
.section-tab-sub {
  margin-top: 30px;

  writing-mode: vertical-rl;
  text-orientation: upright;

  font-size: 13px;
  font-weight: 500;

  line-height: 1;
  letter-spacing: 0.1em;

  white-space: nowrap;
}

/* ／SEshopだけ */
.section-tab-sub-SEshop{
display: inline-block;

  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.1em;

  white-space: nowrap;

  transform: rotate(90deg);
  margin-top: 60px;
}


/* ========================================
ABOUTの文字サイズ調整
======================================== */
.about-main-catch{
   margin: 0 0 30px;
font-size: 28px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.03em;
}



/* ========================================
各セクションの間隔調整
======================================== */

.section {
  margin-bottom: 60px;
}

.special-SEshop-contents-01{
   margin-bottom: 55px;

}

.contents {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0 120px 30px 80px;
  box-sizing: border-box;
}

/* ========================================
購入ボタンの大きさ調整
======================================== */

.purchase-special summary,
.purchase-standard summary {
  display: flex;
  align-items: center;
  justify-content: center;

  height: 60px; /* 45px → 60px に変更 */
  padding: 8px 10px;

  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
}


.purchase-menu a {
  display: flex;
  flex-direction: column;

  min-height: 45px;

  align-items: center;
  justify-content: center;

  padding: 10px 10px;

  color: #111;
  text-decoration: none;

  font-size: 13px;
  font-weight: 500;
  line-height: 1;

  text-align: center;
}

.purchase-menu-title {
  display: block;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.2;
}

.purchase-menu-note {
  display: block;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.4;
}


  /* ========================================
Tシャツ購入ボタンの大きさ調整
======================================== */
.purchase-T_shirt summary,
.purchase-T_shirt-menu {
  width: 60%;
  box-sizing: border-box;
}

.purchase-T_shirt-menu a {
  width: 100%;
  box-sizing: border-box;
}

.purchase-T_shirt summary {
  margin: 20px auto;
}

.purchase-T_shirt-menu {
  left: 50%;
  right: auto;
  transform: translateX(-50%);
}


/* ========================================
  Tシャツ対象書店
======================================== */
.T_shirt-shop{
font-size: 15px;
  line-height: 1.6;
  margin: 0;
}
/* 対象書店の見出し */
.T_shirt-shop span:first-child {
  display: block;
  font-weight: 500;
  padding-bottom: 3px;
  margin-bottom: 3px;
  border-bottom: 1px solid #111;
}

/* 書店一覧 */
.T_shirt-shop span:last-child {
  display: block;
  line-height: 1.6;
}



/* ========================================
 特典対象書店
======================================== */
.shop-list summary {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;

}

.shop-list-content {
  padding: 20px 0 30px;
font-weight: 400;
  font-size: 15px;
  line-height: 1.8;
}

/* ＋ */
.shop-list summary::after {
  content: "+";

  position: absolute;
  top: 50%;
  right: 0;

  transform: translateY(-50%);

  font-size: 17px;
  font-weight: 400;
  line-height: 2;
}

/* 開いたら − */
.shop-list[open] summary::after {
  content: "−";
}

}

/* 幅の狭いPC向け */
@media screen and (min-width: 750px) and (max-width: 1100px) {
  .hero-pc {
    width: 50%;
  }

  .site-header {
    left: 50%;
    width: 50%;
  }

  main {
    width: 50%;
    margin-left: 50%;
  }

  .purchase-fixed {
    left: 50%;
    width: 50%;
  }

  .sns-share-button {
    width: 50%;
    margin-left: 50%;
  }

.hero-pc-text {
  font-size:15px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.1em;
}


.section {
  margin-bottom: 60px;
}

.special-SEshop-contents-01{
   margin-bottom: 55px;

}

.contents {
  width: 100%;
  min-width: 0;
  margin: 0;
  padding: 0 20px 20px 0px;
  box-sizing: border-box;
}


.contents-lead {
  margin: 0 0 18px;

  font-size: 15px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.03em;
}

.contents-title {
  margin: 0 0 10px;

  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  margin-top: 15px;
}


}