/* ============================================================
   SPOT LAIGHT — Blog
   ブランドカラー（赤・ゴールド）はそのまま、全体は白地の優しい雰囲気に
============================================================ */
:root {
  --blog-bg: #fdfbf7;
  --blog-bg-soft: #f6f0e6;
  --blog-card: #ffffff;
  --blog-text: #2b2420;
  --blog-text-dim: #7a7167;
  --blog-red: #d7121b;
  --blog-gold: #b8842f;
  --blog-gold-bg: #fbf0da;
  --blog-line: rgba(43, 36, 32, 0.1);
  --blog-serif: "Shippori Mincho B1", serif;
  --blog-sans: "Noto Sans JP", sans-serif;
  --blog-grot: "Space Grotesk", sans-serif;
  --blog-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body.blog-body {
  background: var(--blog-bg);
  color: var(--blog-text);
  font-family: var(--blog-sans);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- ヘッダー ---------- */
.blog-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(20px, 4vw, 56px);
  background: rgba(253, 251, 247, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--blog-line);
}
.blog-logo { display: flex; align-items: center; gap: 10px; font-family: var(--blog-grot); font-weight: 700; letter-spacing: 0.06em; font-size: 15px; }
.blog-logo .bm-svg { width: 130px; height: auto; }
.blog-logo .bm-bar { fill: var(--blog-red); }
.blog-logo .bm-text { fill: var(--blog-text); }
.blog-nav { display: flex; align-items: center; gap: 22px; font-size: 13px; letter-spacing: 0.04em; }
.blog-nav a { color: var(--blog-text-dim); transition: color 0.25s; }
.blog-nav a:hover { color: var(--blog-red); }
.blog-nav .blog-home-btn {
  color: var(--blog-text); border: 1px solid var(--blog-line); border-radius: 999px; padding: 8px 18px;
  transition: border-color 0.25s, color 0.25s;
}
.blog-nav .blog-home-btn:hover { border-color: var(--blog-red); color: var(--blog-red); }

/* ---------- ヒーロー（一覧） ---------- */
.blog-hero { padding: clamp(56px, 9vw, 100px) clamp(20px, 4vw, 56px) clamp(30px, 5vw, 50px); max-width: 1080px; margin: 0 auto; }
.blog-hero-label { font-family: var(--blog-grot); font-size: 12px; letter-spacing: 0.3em; color: var(--blog-red); margin-bottom: 14px; }
.blog-hero h1 { font-family: var(--blog-serif); font-weight: 700; font-size: clamp(34px, 5.5vw, 56px); line-height: 1.3; margin-bottom: 18px; }
.blog-hero p { color: var(--blog-text-dim); font-size: 15.5px; max-width: 640px; }

/* ---------- 記事一覧 ---------- */
.blog-list {
  max-width: 1080px; margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px) 100px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 34px;
}
.blog-card {
  background: var(--blog-card);
  border: 1px solid var(--blog-line);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.35s var(--blog-ease), box-shadow 0.35s var(--blog-ease), border-color 0.35s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -20px rgba(43, 36, 32, 0.18); border-color: rgba(215, 18, 27, 0.25); }
.blog-card-thumb { aspect-ratio: 16/10; background: var(--blog-bg-soft); overflow: hidden; }
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.blog-card-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.blog-card-date { font-family: var(--blog-grot); font-size: 11px; letter-spacing: 0.14em; color: var(--blog-gold); }
.blog-card-title { font-family: var(--blog-serif); font-weight: 700; font-size: 19px; line-height: 1.55; }
.blog-card-excerpt { font-size: 13.5px; color: var(--blog-text-dim); line-height: 1.8; flex: 1; }
.blog-card-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; }
.blog-card-more { font-size: 12px; letter-spacing: 0.06em; color: var(--blog-red); }
.blog-card-like { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--blog-text-dim); }
.blog-card-like-count { font-family: var(--blog-grot); font-weight: 700; }

.blog-empty {
  max-width: 1080px; margin: 0 auto; padding: 20px clamp(20px, 4vw, 56px) 140px;
  color: var(--blog-text-dim); font-size: 14.5px;
}
.blog-empty strong { display: block; font-family: var(--blog-serif); font-size: 22px; color: var(--blog-text); margin-bottom: 10px; }

/* ---------- 記事ページ ---------- */
.blog-article { max-width: 720px; margin: 0 auto; padding: clamp(40px, 7vw, 70px) clamp(20px, 4vw, 24px) 100px; }
.blog-article-label { font-family: var(--blog-grot); font-size: 11.5px; letter-spacing: 0.2em; color: var(--blog-red); margin-bottom: 16px; }
.blog-article h1 {
  font-family: var(--blog-serif); font-weight: 700; font-size: clamp(28px, 4.5vw, 40px); line-height: 1.45;
  margin-bottom: 18px;
}
.blog-article-meta { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; color: var(--blog-text-dim); font-size: 12.5px; margin-bottom: 8px; }
.blog-article-meta a { color: var(--blog-red); text-decoration: underline; text-underline-offset: 3px; }
.blog-breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  margin-bottom: 24px; color: var(--blog-text-dim); font-size: 11.5px;
}
.blog-breadcrumb a { color: var(--blog-red); }
.blog-article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; }
.blog-article-tags span { font-size: 11.5px; color: var(--blog-gold); background: var(--blog-gold-bg); border-radius: 999px; padding: 5px 14px; }
.blog-article-thumb { width: 100%; border-radius: 16px; margin: 8px 0 40px; display: block; }

.blog-content { font-size: 16px; line-height: 2; color: var(--blog-text); }
.blog-content h2 { font-family: var(--blog-serif); font-size: 26px; font-weight: 700; margin: 52px 0 20px; line-height: 1.5; }
.blog-content h3 { font-family: var(--blog-serif); font-size: 21px; font-weight: 700; margin: 40px 0 16px; line-height: 1.5; }
.blog-content h4 { font-size: 16.5px; font-weight: 700; letter-spacing: 0.02em; margin: 32px 0 12px; color: var(--blog-red); }
.blog-content p { margin: 0 0 24px; }
.blog-content ul, .blog-content ol { margin: 0 0 24px; padding-left: 1.4em; }
.blog-content li { margin-bottom: 8px; }
.blog-content ul li::marker { color: var(--blog-red); }
.blog-content ol li::marker { color: var(--blog-red); font-weight: 700; }
.blog-content a { color: var(--blog-red); text-decoration: underline; text-underline-offset: 3px; }
.blog-content img, .blog-content video {
  width: 100%; border-radius: 14px; margin: 12px 0 8px; display: block;
  box-shadow: 0 20px 44px -22px rgba(43, 36, 32, 0.28);
}
.blog-content figure { margin: 36px 0; }
.blog-content figcaption { text-align: center; font-size: 12.5px; color: var(--blog-text-dim); margin-top: 10px; }
.blog-content pre {
  background: #23201c; color: #eae3d8;
  border-radius: 12px; padding: 20px 22px; overflow-x: auto;
  font-size: 13.5px; line-height: 1.7; margin: 12px 0 28px;
  font-family: "SFMono-Regular", Menlo, Consolas, monospace;
}
.blog-content code { font-family: "SFMono-Regular", Menlo, Consolas, monospace; }
.blog-content p code, .blog-content li code {
  background: var(--blog-bg-soft); border-radius: 5px; padding: 2px 6px; font-size: 0.9em;
}
.blog-content blockquote {
  border-left: 3px solid var(--blog-red);
  padding: 4px 0 4px 22px; margin: 28px 0;
  color: var(--blog-text-dim); font-style: italic;
}

.blog-related {
  margin-top: 54px; padding: 28px;
  background: var(--blog-bg-soft); border: 1px solid var(--blog-line); border-radius: 16px;
}
.blog-related-label { color: var(--blog-red); font-family: var(--blog-grot); font-size: 10.5px; letter-spacing: 0.18em; }
.blog-related h2 { margin: 5px 0 18px; font-family: var(--blog-serif); font-size: 21px; }
.blog-related-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.blog-related-links a {
  display: flex; flex-direction: column; gap: 5px; padding: 16px;
  background: var(--blog-card); border: 1px solid var(--blog-line); border-radius: 12px;
  transition: border-color 0.25s, transform 0.25s var(--blog-ease);
}
.blog-related-links a:hover { border-color: var(--blog-red); transform: translateY(-2px); }
.blog-related-links strong { color: var(--blog-text); font-size: 14px; }
.blog-related-links span { color: var(--blog-text-dim); font-size: 12px; line-height: 1.7; }

.blog-like-wrap { position: relative; display: flex; justify-content: center; margin: 56px 0 0; }
.blog-like-btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 14px; font-weight: 700; color: var(--blog-text);
  background: var(--blog-card);
  border: 1.5px solid var(--blog-line);
  border-radius: 999px;
  padding: 13px 30px;
  transition: transform 0.25s var(--blog-ease), border-color 0.25s, background 0.25s;
}
.blog-like-btn:hover:not(:disabled) { border-color: var(--blog-red); transform: translateY(-2px); }
.blog-like-btn:disabled { cursor: default; }
.blog-like-btn.is-liked { border-color: var(--blog-red); background: #fdecec; color: var(--blog-red); }
.blog-like-icon { font-size: 17px; }
.blog-like-count {
  font-family: var(--blog-grot); font-weight: 700; font-size: 13px;
  color: var(--blog-text-dim);
  background: var(--blog-bg-soft);
  border-radius: 999px; padding: 3px 11px;
  min-width: 1.6em; text-align: center;
}
.blog-like-btn.is-liked .blog-like-count { color: var(--blog-red); background: #fff; }
.blog-like-hint { text-align: center; font-size: 11.5px; color: var(--blog-text-dim); margin-top: 10px; }

/* ---------- いいね演出：静かに舞う紙吹雪＋Thank youの一文字 ---------- */
.blog-like-fx {
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: visible;
}
.blog-like-particle {
  position: absolute; left: 50%; top: 50%;
  width: var(--pw, 5px); height: var(--ph, 5px);
  background: var(--pc, var(--blog-gold));
  border-radius: var(--pr, 1px);
  opacity: 0;
  animation: blogLikeBurst 1.05s cubic-bezier(0.16, 0.8, 0.3, 1) forwards;
  animation-delay: var(--delay, 0s);
}
@keyframes blogLikeBurst {
  0% { transform: translate(-50%, -50%) rotate(0deg) scale(0.6); opacity: 0; }
  12% { opacity: 1; }
  100% {
    transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) rotate(var(--rot)) scale(0.5);
    opacity: 0;
  }
}
.blog-like-thanks {
  position: absolute; left: 50%; top: -6px;
  transform: translate(-50%, 0);
  white-space: nowrap;
  font-family: var(--blog-serif);
  font-style: italic;
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 26px);
  letter-spacing: 0.03em;
  background: linear-gradient(120deg, var(--blog-red) 0%, var(--blog-gold) 55%, #e8b64a 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  opacity: 0;
  animation: blogThanksFade 1.5s ease forwards;
}
@keyframes blogThanksFade {
  0% { opacity: 0; transform: translate(-50%, 8px) scale(0.92); filter: blur(2px); }
  18% { opacity: 1; transform: translate(-50%, -10px) scale(1); filter: blur(0); }
  65% { opacity: 1; transform: translate(-50%, -16px) scale(1); }
  100% { opacity: 0; transform: translate(-50%, -30px) scale(1.02); }
}

.blog-back {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 60px; font-size: 13px; color: var(--blog-text-dim);
  border-top: 1px solid var(--blog-line); padding-top: 28px; width: 100%;
}
.blog-back:hover { color: var(--blog-red); }

/* ---------- フッター ---------- */
.blog-footer {
  border-top: 1px solid var(--blog-line);
  padding: 40px clamp(20px, 4vw, 56px) 50px;
  text-align: center;
  color: var(--blog-text-dim);
  font-size: 12px;
}
.blog-footer a { color: var(--blog-red); }

@media (max-width: 560px) {
  .blog-nav span.blog-nav-sep { display: none; }
  .blog-related { padding: 22px 18px; }
  .blog-related-links { grid-template-columns: 1fr; }
}