:root {
  --bg: #fffaf6;
  --card-bg: #ffffff;
  --text: #3a3540;
  --text-sub: #8a8393;
  --accent: #ff6b9d;
  --accent2: #a06bff;
  --border: #f0e8ee;
  --shadow: 0 4px 16px rgba(160, 107, 255, 0.08);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent2); text-decoration: none; }
a:hover { opacity: 0.8; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.site-logo {
  font-size: 1.15rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.site-nav a {
  margin-left: 18px;
  font-size: 0.9rem;
  color: var(--text-sub);
  font-weight: 500;
}
.site-nav a:hover { color: var(--accent); opacity: 1; }

/* Main */
.site-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

/* Hero */
.hero {
  text-align: center;
  padding: 36px 0 40px;
}
.hero__title {
  font-size: 1.9rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__sub {
  margin-top: 8px;
  color: var(--text-sub);
  font-size: 0.95rem;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
}
.card {
  background: var(--card-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(255, 107, 157, 0.16);
}
.card__link { display: block; color: inherit; }
.card__link:hover { opacity: 1; }
.card__thumb {
  aspect-ratio: 16 / 10;
  background-size: cover;
  background-position: center 25%;
}
.card__body { padding: 16px 18px 20px; }
.card__date {
  font-size: 0.78rem;
  color: var(--text-sub);
  letter-spacing: 0.05em;
}
.card__title {
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.6;
  margin: 6px 0 8px;
}
.card__excerpt {
  font-size: 0.85rem;
  color: var(--text-sub);
  line-height: 1.7;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 44px;
}
.pagination__btn {
  padding: 8px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 0.88rem;
  font-weight: 500;
}
.pagination__info { color: var(--text-sub); font-size: 0.88rem; }

/* Post */
.post { max-width: 680px; margin: 0 auto; }
.post__header { text-align: center; padding: 12px 0 24px; }
.post__date { color: var(--text-sub); font-size: 0.85rem; letter-spacing: 0.05em; }
.post__title {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.7;
  margin-top: 10px;
}
.post__hero { margin: 0 0 28px; }
.post__hero img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.post__content { font-size: 1rem; }
.post__content p { margin-bottom: 1.4em; }
.post__disclaimer {
  margin-top: 40px;
  padding: 12px 16px;
  background: #fdf3f7;
  border-radius: 10px;
  font-size: 0.8rem;
  color: var(--text-sub);
}
.post__back { margin-top: 28px; text-align: center; font-size: 0.9rem; }

/* Post prev/next */
.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  font-size: 0.85rem;
}
.post-nav__item--next { margin-left: auto; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  background: #fff;
}
.site-footer__inner {
  max-width: 860px;
  margin: 0 auto;
  padding: 28px 20px;
  text-align: center;
}
.site-footer__links { font-size: 0.85rem; color: var(--text-sub); }
.site-footer__links a { color: var(--text-sub); margin: 0 6px; }
.site-footer__copy { margin-top: 10px; font-size: 0.75rem; color: var(--text-sub); }

/* Page (about etc.) */
.page { max-width: 680px; margin: 0 auto; }
.page h1 { font-size: 1.5rem; margin-bottom: 24px; text-align: center; }
.page h2 { font-size: 1.15rem; margin: 32px 0 12px; }
.page p { margin-bottom: 1.2em; }
.page ul { padding-left: 1.4em; margin-bottom: 1.2em; }

@media (max-width: 520px) {
  .hero__title { font-size: 1.5rem; }
  .post__title { font-size: 1.25rem; }
}