/* ============================================================
   blog-casual.css — KinoStudio カジュアルブログスタイル
   post-22 以降の新記事に適用
   ============================================================ */

:root {
  --clr-base:      #dce6e2;
  --clr-paper:     #f5f0e8;
  --clr-paper-alt: #eee8db;
  --clr-blue:      #4a7fa5;
  --clr-red:       #c44b3a;
  --clr-yellow:    #d4a843;
  --clr-orange:    #d4723a;
  --clr-beige:     #b89a72;
  --clr-ink:       #2c2a26;
  --clr-ink-muted: #5a5650;
  --ff-title: Georgia, "Times New Roman", serif;
  --ff-body:  "Segoe UI", system-ui, sans-serif;
  --ff-mono:  "Consolas", monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { color: var(--clr-blue); }
a:hover { color: var(--clr-orange); }
img { display: block; max-width: 100%; border-radius: 8px; }

body.casual-blog {
  background-color: var(--clr-base);
  background-image:
    radial-gradient(ellipse at 30% 0%, #e8e0d4 0%, transparent 55%),
    radial-gradient(ellipse at 70% 100%, #cddadf 0%, transparent 55%);
  font-family: var(--ff-body);
  color: var(--clr-ink);
  min-height: 100vh;
  line-height: 1.8;
}

/* grain */
body.casual-blog::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* ---- サイトヘッダー ---- */
.cblog-site-header {
  background: rgba(245,240,232,.85);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(184,154,114,.2);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  position: sticky; top: 0; z-index: 100;
}

.cblog-site-header__brand {
  font-family: var(--ff-title);
  font-size: .9rem;
  letter-spacing: .12em;
  color: var(--clr-ink);
  text-decoration: none;
  display: flex; align-items: center; gap: .4rem;
}
.cblog-site-header__brand::before {
  content: "✦";
  color: var(--clr-beige);
  font-size: .7rem;
}

.cblog-site-header__nav {
  display: flex; gap: 1.2rem;
}
.cblog-site-header__nav a {
  font-size: .78rem;
  color: var(--clr-ink-muted);
  letter-spacing: .06em;
  text-decoration: none;
  transition: color .2s;
}
.cblog-site-header__nav a:hover { color: var(--clr-orange); }

/* ---- 記事コンテナ ---- */
.cblog-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* ---- 記事ヘッダー ---- */
.cblog-post-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(184,154,114,.25);
}

.cblog-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
  flex-wrap: wrap;
}

.cblog-date {
  font-family: var(--ff-mono);
  font-size: .78rem;
  color: var(--clr-beige);
  letter-spacing: .05em;
}

.cblog-tag {
  font-size: .68rem;
  padding: .2rem .65rem;
  border-radius: 20px;
  background: rgba(74,127,165,.12);
  border: 1px solid rgba(74,127,165,.25);
  color: var(--clr-blue);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.cblog-post-title {
  font-family: var(--ff-title);
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.4;
  color: var(--clr-ink);
  margin-bottom: .75rem;
}

.cblog-summary {
  font-size: .92rem;
  color: var(--clr-ink-muted);
  line-height: 1.7;
  padding: .75rem 1rem;
  background: rgba(245,240,232,.6);
  border-left: 3px solid var(--clr-beige);
  border-radius: 0 6px 6px 0;
}

/* ---- 記事本文 ---- */
.cblog-body {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--clr-ink);
}

.cblog-body p {
  margin-bottom: 1.2em;
}

.cblog-body p + p { text-indent: 0; }

.cblog-body h2 {
  font-family: var(--ff-title);
  font-size: 1.15rem;
  color: var(--clr-ink);
  margin: 2em 0 .6em;
  padding-bottom: .3em;
  border-bottom: 1px dashed rgba(184,154,114,.4);
}

.cblog-body h3 {
  font-size: 1rem;
  font-weight: bold;
  color: var(--clr-ink-muted);
  margin: 1.5em 0 .5em;
}

.cblog-body ul, .cblog-body ol {
  margin: 0 0 1.2em 1.4em;
}
.cblog-body li { margin-bottom: .4em; }

.cblog-body strong { color: var(--clr-ink); }

.cblog-body em {
  font-style: normal;
  background: linear-gradient(transparent 60%, rgba(212,168,67,.35) 60%);
}

/* 記事内画像 */
.cblog-figure {
  margin: 2em 0;
}
.cblog-figure img {
  width: 100%;
  box-shadow: 0 4px 16px rgba(44,42,38,.12);
}
.cblog-figure figcaption {
  font-size: .75rem;
  color: var(--clr-ink-muted);
  margin-top: .5rem;
  text-align: center;
  letter-spacing: .04em;
}

/* コールアウト（ひとこと） */
.cblog-aside {
  margin: 2em 0;
  padding: 1rem 1.25rem;
  background: rgba(245,240,232,.8);
  border: 1px solid rgba(184,154,114,.3);
  border-radius: 10px;
  font-size: .9rem;
  color: var(--clr-ink-muted);
  position: relative;
}
.cblog-aside::before {
  content: "✦ ひとこと";
  display: block;
  font-size: .7rem;
  color: var(--clr-beige);
  letter-spacing: .1em;
  margin-bottom: .4rem;
}

/* ---- 前後記事ナビ ---- */
.cblog-post-nav {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(184,154,114,.2);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  align-items: center;
}

.cblog-nav-prev,
.cblog-nav-next {
  font-size: .8rem;
  color: var(--clr-ink-muted);
  text-decoration: none;
  line-height: 1.4;
  transition: color .2s;
}
.cblog-nav-prev:hover,
.cblog-nav-next:hover { color: var(--clr-orange); }
.cblog-nav-prev { text-align: left; }
.cblog-nav-next { text-align: right; }
.cblog-nav-prev::before { content: "← "; }
.cblog-nav-next::after  { content: " →"; }

.cblog-nav-index {
  font-size: .75rem;
  color: var(--clr-beige);
  text-decoration: none;
  text-align: center;
  letter-spacing: .06em;
  white-space: nowrap;
}
.cblog-nav-index:hover { color: var(--clr-blue); }

/* ---- フッター ---- */
.cblog-footer {
  text-align: center;
  padding: 1.5rem;
  font-size: .72rem;
  color: var(--clr-ink-muted);
  letter-spacing: .06em;
  border-top: 1px solid rgba(184,154,114,.15);
}

/* ---- レスポンシブ ---- */
@media (max-width: 480px) {
  .cblog-wrap { padding: 1.5rem 1rem 3rem; }
  .cblog-post-nav { grid-template-columns: 1fr; }
  .cblog-nav-prev, .cblog-nav-next { text-align: center; }
}