/* ブログ共通スタイル */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #050507;
  --accent1: #00f0ff;
  --accent2: #ff00aa;
  --gym: #00ffa0;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: #e8e8e8;
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent1); text-decoration: none; }
a:hover { text-decoration: underline; }

/* HEADER */
.bl-header {
  position: sticky;
  top: 0;
  background: rgba(5,5,7,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8%;
  z-index: 50;
}
.bl-logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  letter-spacing: 0.2em;
  background: linear-gradient(90deg, #fff, var(--accent1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.bl-nav { display: flex; gap: 28px; }
.bl-nav a {
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  letter-spacing: 0.2em;
  font-weight: 700;
  opacity: 0.7;
}
.bl-nav a:hover { opacity: 1; text-decoration: none; }

/* 一覧 */
.bl-list-hero {
  padding: 120px 8% 60px;
  text-align: center;
}
.bl-list-hero h1 {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 900;
  margin-bottom: 16px;
  background: linear-gradient(90deg, #fff, var(--accent1));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.bl-list-hero p {
  color: #999;
  font-size: 15px;
}
.bl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  padding: 40px 8% 120px;
  max-width: 1200px;
  margin: 0 auto;
}
.bl-card {
  display: block;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}
.bl-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,240,255,0.3);
  text-decoration: none;
}
.bl-card-img {
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: #111;
}
.bl-card-body {
  padding: 24px 24px 28px;
}
.bl-card-meta {
  display: flex;
  gap: 14px;
  font-size: 11px;
  font-family: 'Poppins', sans-serif;
  color: #888;
  letter-spacing: 0.2em;
  margin-bottom: 12px;
}
.bl-card-cat {
  color: var(--accent1);
  font-weight: 700;
}
.bl-card h2 {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 10px;
  font-weight: 800;
  color: #fff;
}
.bl-card p {
  color: #aaa;
  font-size: 13px;
  line-height: 1.7;
}

/* 個別記事 */
.bl-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px 100px;
}
.bl-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  font-family: 'Poppins', sans-serif;
  color: #888;
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}
.bl-category {
  color: var(--accent1);
  font-weight: 700;
}
.bl-title {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 32px;
  color: #fff;
}
.bl-cover {
  width: 100%;
  height: clamp(220px, 40vw, 420px);
  border-radius: 16px;
  background-size: cover;
  background-position: center;
  margin-bottom: 48px;
  background-color: #111;
}
.bl-body {
  font-size: 16px;
  color: #d8d8d8;
}
.bl-body h2 {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: 28px;
  font-weight: 900;
  margin: 48px 0 20px;
  color: #fff;
  padding-left: 16px;
  border-left: 4px solid var(--accent1);
  line-height: 1.4;
}
.bl-body h3 {
  font-family: 'Poppins', 'Noto Sans JP', sans-serif;
  font-size: 20px;
  font-weight: 800;
  margin: 32px 0 14px;
  color: #fff;
}
.bl-body p { margin-bottom: 22px; }
.bl-body ul, .bl-body ol {
  padding-left: 24px;
  margin-bottom: 22px;
}
.bl-body li { margin-bottom: 8px; }
.bl-body strong { color: var(--accent1); }
.bl-body blockquote {
  border-left: 3px solid var(--accent2);
  padding: 4px 20px;
  margin: 28px 0;
  color: #b8b8b8;
  font-style: italic;
}
.bl-body img {
  max-width: 100%;
  border-radius: 12px;
  margin: 28px 0;
}
.bl-body a { border-bottom: 1px solid currentColor; }

/* 記事下のCTA */
.bl-footer-cta {
  margin-top: 80px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.bl-footer-cta p {
  color: #888;
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  letter-spacing: 0.3em;
  margin-bottom: 20px;
}
.bl-cta-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.bl-cta-card {
  padding: 24px;
  border-radius: 14px;
  background: rgba(0,240,255,0.05);
  border: 1px solid rgba(0,240,255,0.2);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: 0.3s;
  color: inherit;
}
.bl-cta-card:hover {
  background: rgba(0,240,255,0.1);
  text-decoration: none;
  transform: translateY(-3px);
}
.bl-cta-card strong {
  color: #fff;
  font-size: 16px;
}
.bl-cta-card span {
  color: var(--accent1);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.bl-back {
  display: inline-block;
  margin-top: 48px;
  font-size: 13px;
  letter-spacing: 0.1em;
  font-family: 'Poppins', sans-serif;
}

/* フッター */
.bl-footer {
  padding: 40px 8%;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 12px;
  color: #555;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.bl-footer div:first-child {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 18px;
  letter-spacing: 0.3em;
  color: #888;
}

@media (max-width: 768px) {
  .bl-header { padding: 14px 24px; }
  .bl-list-hero { padding: 80px 24px 40px; }
  .bl-grid { padding: 20px 24px 80px; }
  .bl-article { padding: 40px 18px 80px; }
  .bl-footer { padding: 30px 24px; }
}