/* /assets/blog.css */

/* 記事ページ：BACKリンク */
.backlink{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  margin-bottom:2rem;

  padding:.6rem 1rem;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;

  color:inherit;
  text-decoration:none;
  font-size:.85rem;
  letter-spacing:.12em;

  backdrop-filter: blur(8px);
  transition: all .25s ease;
}

.backlink__icon{
  font-size:1.1rem;
  opacity:.7;
  transition: transform .25s ease;
}

.backlink__text{
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
               "Helvetica Neue", Arial, sans-serif;
  font-weight: 600;
  letter-spacing: .12em;
  font-size: .75rem;
  text-transform: uppercase;
}


.backlink:hover{
  border-color: rgba(255,255,255,.35);
  background: rgba(255,255,255,.04);
}

.backlink:hover .backlink__icon{
  transform: translateX(-4px);
}



:root{
  --bg: #0b0b0c;
  --fg: #f3f3f3;
  --muted: rgba(243,243,243,.65);
  --faint: rgba(243,243,243,.12);
  --line: rgba(243,243,243,.16);
  --card: rgba(255,255,255,.03);
  --card2: rgba(255,255,255,.06);
  --radius: 14px;
}

html, body{
  background: var(--bg);
  color: var(--fg);
}

.blog-header{
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 8px;
}

.blog-back{
  display: inline-block;
  text-decoration: none;
  color: var(--muted);
  letter-spacing: .06em;
  font-size: 13px;
}

.blog-back:hover{ color: var(--fg); }

.blog-title{
  margin: 10px 0 16px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: .08em;
}

.blog-toolbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0 18px;
  border-bottom: 1px solid var(--line);
}

.blog-sort{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .12em;
}

.blog-sort-label{
  opacity: .9;
}

.blog-sort-select{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;

  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 10px 34px 10px 12px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: .08em;
  outline: none;
  cursor: pointer;
  position: relative;
}

/* ▼擬似矢印（select自体にはつけられないので背景でそれっぽく） */
.blog-sort{
  position: relative;
}
.blog-sort::after{
  content: "▾";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.blog-wrap{
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 18px 44px;
}

.blog-list{
  display: grid;
  gap: 14px;
  padding: 18px 0 22px;
}

.post-card{
  display: grid;
  grid-template-columns: 1fr 160px;
  gap: 18px;

  text-decoration: none;
  color: inherit;

  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--card), transparent);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.post-card:hover{
  transform: translateY(-1px);
  border-color: rgba(243,243,243,.28);
  background: linear-gradient(180deg, var(--card2), transparent);
}

.post-body{
  min-width: 0;
}

.post-meta{
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .14em;
}

.post-cat{
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: .12em;
}

.post-date{
  opacity: .9;
}

.post-title{
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.35;
}

.post-excerpt{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;

  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.post-media{
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

.post-thumb{
  width: 160px;
  height: 104px;
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
  border: 1px solid var(--faint);
  filter: saturate(.95) contrast(.98);
}

.post-media.is-empty{
  /* サムネ無しのときの余白 */
  opacity: .25;
}

.pager{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;

  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: .12em;
}

.pager-next{
  text-decoration: none;
  color: var(--fg);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 999px;
}

.pager-next:hover{
  border-color: rgba(243,243,243,.28);
}

.site-footer{
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 18px 34px;
  color: var(--muted);
  border-top: 1px solid rgba(243,243,243,.08);
}

@media (max-width: 720px){
  .post-card{
    grid-template-columns: 1fr;
  }
  .post-media{
    justify-content: flex-start;
  }
  .post-thumb{
    width: 100%;
    height: 180px;
  }
  .blog-title{
    font-size: 24px;
  }
}