/*
  Spinozana Journal Backnumber Page
  このCSSは学会誌バックナンバー専用です。
  他ページからの流用は想定していません。
*/

/* ===== 基本文字設定 ===== */

body {
  font-family: 
	"Hiragino Mincho ProN",
	"Hiragino Mincho Pro",
	"Yu Mincho",
	"YuMincho",
	"Noto Serif JP",
	serif;
  font-size: 1rem;
  line-height: 1.6;
  color: #000080;
  background-color: #f8f6f2;
	padding: 0 1rem;
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 0.3em;
}

h2 {
  font-size: 1.2rem;
  margin-top: 2em;
  border-bottom: 1px solid #000088;
  padding-bottom: 0.3em;
}

h2.issue-index {
	border-bottom: none;
}

h3 {
  font-size: 1.1rem;
  margin-top: 2em;
  margin-bottom: 0;
}

h4 {
  font-size: 1rem;
  margin-top: 1em;
  font-weight: bold;
}

p {
  margin: 1em 0;
}

ul {
  margin-left: 1.2em;
}

li {
  margin-bottom: 0.2em;
}

.volume-cover {
  float: right;
  width: 80px;
  margin: 0 0 1em 1em;
}

.note {
  font-size: 0.9rem;
  color: #444;
}

.status {
	color: red; 
}
.article-title {
  display: block;
}

.article-author {
  display: block;
  font-size: 0.85rem;
  margin-left: 1em;
}
.issue {
  position: relative;
  margin-bottom: 3rem;
}

.issue-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid #000080;
}

.issue-head h3 {
  margin: 0;
}

.issue-meta {
  font-size: 0.9rem;
  white-space: nowrap;
  margin-bottom: 0.4rem;
}

.issue-layout {
  display: flex;
  gap: 1.5rem;
  justify-content: space-between;
  
}

.issue-head__text {
  flex: 1 1 auto;
  min-width: 0; /* ← これ大事（長文対策） */
}

.issue-cover {
  flex: 0 0 auto;
}

.issue-cover img {
  max-width: 120px;
  height: auto;
  display: block;
}


.issue-divider {
  width: 60%;
  margin: 0;
  border: none;
  border-top: 1px solid #30307F;
}

.editors {
	font-size: 1rem;
	padding-left: 2rem;
	margin-bottom: 2rem;
}

.backlink {
	text-align: right;
	font-size: 0.8rem;
}
/* === Issue navigation === */

.issue-nav {
	margin: 1rem 0;
}

.issue-nav__list {
	list-style: none;
	padding: 0;
	margin: 0;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	grid-auto-flow: row demse;
	gap: 0.5rem 1rem;
	max-width: 100%;
}
.issue-nav__item {
  min-height: auto;
}

.issue-nav__item + .issue-nav__item {
  margin-top: 0.1rem;
}

.issue-nav__item:not(:nth-last-child(-n + 4)) {
  border-bottom: 1px solid #ccc;

}.issue-nav__list {
  border-left: 6px solid #ddd;
  padding-left: 1rem;
}

.issue-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.issue-nav__label {
  font-size: 0.95rem;
  line-height: 1.4;
}

.issue-nav__arrow {
  margin-left: 0.4rem;
  font-size: 0.8em;
  opacity: 0.6;
}

.issue-nav__cover {
  display: none;
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.issue-nav__cover img {
  height:120px;
  width: auto;
  max-width: none;   /* imgではここのみ非100% */
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

.issue-nav__link:hover .issue-nav__cover {
  opacity: 1;
  display: block;
}

/* デフォルトのマーカーを消すための追加スタイル
.details-demo summary::-webkit-details-marker {
	display: none;
}

details summary::after {
	content: " ▼";
}

details[open] summary::after {
	content: " ▲";
}
*/
/* === width: over 600 px === */
@media (min-width: 600px) {
  .issue-nav__pc {
	display: grid;
  }

  .issue-nav__sp {
	display: none;
  }
}

/* === width: below 600 px === */
@media (max-width: 600px) {

  body {
	font-size: 1rem;
	line-height: 1.5rem;
	margin: 0 1rem;
  }

  p {
	margin: 0.3em 0;
  }

  p + p {
	margin: 0.5rem 0;	
	}
	
  .editors {
	font-size: 0.9rem;
	padding-left: 1rem;
	margin-top: 0.4rem;
	margin-bottom: 0.6rem;
}
  .issue {
	margin: 0;
  }
	
  .issue-layout {
	flex-direction: column;
  }
	
  .issue-head {
	gap: 0.2rem;
	}
  .issue-meta {
	font-size: 0.9rem;
	white-space: nowrap;
	margin-bottom: 0.4rem;
	margin-top: 0;
  }

  .issue-cover {
	float: none;
	display: block;
	margin: 0 auto 1em;
  }

  .issue-nav__pc {
	display: none;
  }

  .issue-nav__list {
	grid-template-columns: 1fr;
  }

  .issue-nav__cover {
	display: none;
  }

  h1 {
	font-size: 1.2rem;
  }

  .subtitle {
  font-size: 0.9rem;
  color: #555;
  margin-bottom: 0.4em;
  }
	
  h2{
	font-size: 1.1rem;
	margin-top: 0.8em;
  }

  h3 {
	font-size: 1.05rem;
	margin-top: 0.4em;		
  }
  h4 {
	font-size: 0.95rem; 
	margin-top: 0.4em;
	}
  ul {
	margin: 0;
  }
}