/* ==============================
   基本設定
============================== */
@charset "UTF-8";
body {
  font-family:"ヒラギノ角ゴ Pro W3","メイリオ",sans-serif;
  background-color: #dddddd;
  margin: 0;
  line-height: 1.7;
}

img {
  max-width: 100%;
  height: auto;
}

html, body {
  overflow-x: hidden;
}


/* ==============================
   24Edition 帯
============================== */

.edition-band {
  text-align: center;
  font-family: "Playfair Display", "Cormorant Garamond", serif;
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;

  color: rgba(255,255,255,0.85);
  margin-bottom: 12px;
}

.edition-band::after {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  background: rgba(255,255,255,0.6);
  margin: 6px auto 0;
}


/* ==============================
   ヘッダー
============================== */
header {
  padding: 40px 20px;
  background-image: url(img2/top.png);
  background-size: cover;
  color: #ffffff;
  text-align: right;
}

header h1 {
  font-family: "Playfair Display", "Cormorant Garamond", "Noto Serif JP", serif;
  font-weight: 700;
  font-size: 40px;
  text-shadow: 1px 1px 8px rgba(0,0,0,0.4);
  margin: 30px 0;
  line-height: 150%;
  text-align: center;  
  padding-right: 0; 
}

header p {
 text-align: center;  
  color: #ffffff;
  text-decoration: none;
}

header a {

  color: #ffffff;
  text-decoration: none;
}

header a:hover {
  background-color: #ffffff;
  color: #ffffff;
}





/* ==============================
   ナビ（言語切替）
============================== */
nav {
  text-align: center;
  margin: 20px auto;
}

nav .btn {
  margin: 4px;
}

/* ==============================
   コンテンツ構造
============================== */
article {
  background-color:#ffffff;
  padding: 16px;
  max-width: 1100px;
  margin: auto;
  border-radius: 4px;
}

p {
    margin-top:px;
  margin-bottom: px;
}


h2 {
  font-size: 18px;
  background-color: #444444;
  color: #ffffff;
  padding: 10px;
  border-radius: 4px;
  margin-top: 40px;
}

h3 {
  font-size: 22px;
  color: #000000;
  padding: 10px;
  margin-top:0px;
  margin-bottom:0px;
}


/* ==============================
 リンク
============================== */
a {

  color: #000000;
  text-decoration: none;
}

a:hover {
  background-color: #870e05;
  color: #ffffff;
}




/* ==============================
   本のカードレイアウト
============================== */
ul.book {
  list-style-type: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
  padding: 0;
}

li.book {
  border: 1px solid #cccccc;
  padding: 12px;
  border-radius: 6px;
  background-color: #ffffff;
}

li.book h3 {
  font-size: 16px;
  margin: 8px 0;
  font-weight: bold;
}

li.book p {
  font-size: 14px;
  margin-top: 6px;
}

li.book a {

  color: #000000;
  text-decoration: none;
}

li.book a:hover {
  background-color:#750405;
  color: #ffffff;
}




/* ==============================
   フッター
============================== */
footer {
  background-color:#333333;
  color:#ffffff;
  padding:16px;
  text-align:center;
  font-size: 14px;
}

footer a {
  color: #ffffff !important;
  text-decoration: none;
}

footer a:hover {
  color: #cccccc !important; /* ホバー時は少しグレーに */
}

/* ==============================
   ボタン
============================== */
a.btn {
  display: inline-block;
  padding: 6px 12px;
  border: 2px solid #444444;
  color: #444444;
  text-decoration: none;
}

a.btn:hover {
  background-color: #444444;
  color: #ffffff;
}

@media (min-width: 1024px) {
  ul.book {
    grid-template-columns: repeat(4, 1fr);  /* PCでは4列 */
  }

  li.book {
    padding: 8px;
  }

  li.book h3 {
    font-size: 14px;
  }
}

li.book img {
  width: 100%;
  height: auto;
  display: block;
}


.float-left {
  float: left;
  margin: 10px 15px 10px 0;
  width: 200px;   /* 画像サイズ調整 */
}


@media (max-width: 600px) {
  .float-left {
    float: none;
    width: 100%;
    margin: 0 0 16px 0;
    display: block;
  }
}

<img src="img/nerion2.jpg" alt="ネリオンカルテット CD" loading="lazy">