/* ================================================================
   front-page.css — トップページ専用スタイル
   ================================================================ */

/* ── ヒーローセクション ───────────────────────────────────────── */
.fp-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  min-height: 480px;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
  background-color: var(--dark-plate);
  background-image:
    radial-gradient(ellipse 60% 80% at 100% 50%, rgba(212,169,90,0.08) 0%, transparent 60%),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(212,169,90,0.04) 39px,
      rgba(212,169,90,0.04) 40px
    );
  position: relative;
  overflow: hidden;
}

.fp-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 40% 60% at 10% 90%, rgba(79,195,247,0.05) 0%, transparent 60%);
  pointer-events: none;
}

.fp-hero-text {
  max-width: 600px;
}

.fp-hero-eyebrow {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon);
  border: 1px solid var(--neon);
  border-radius: 2px;
  padding: 0.25em 0.75em;
  margin-bottom: 1.25rem;
}

.fp-hero-heading {
  font-family: var(--font-body);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--cream);
  margin: 0 0 1rem;
}

.fp-hero-heading span {
  color: var(--brass-light);
}

.fp-hero-sub {
  font-family: var(--font-ui);
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: var(--brass-mid);
  letter-spacing: 0.05em;
  line-height: 1.8;
  margin: 0 0 2rem;
}

.fp-hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.fp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.75em 1.75em;
  border-radius: 3px;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
  border: none;
}

.fp-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
  text-decoration: none;
}

.fp-btn-primary {
  background: var(--neon);
  color: var(--dark-plate);
}

.fp-btn-secondary {
  background: transparent;
  color: var(--brass-light);
  border: 1.5px solid var(--brass);
}

/* ── ポートホール画像 ──────────────────────────────────────────── */
.fp-hero-image {
  flex-shrink: 0;
  width: clamp(160px, 22vw, 260px);
}

.fp-porthole {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 4px solid var(--brass);
  box-shadow:
    0 0 0 2px var(--brass-shadow),
    0 0 0 8px var(--dark-brass),
    0 0 0 10px var(--brass-deep),
    0 8px 24px rgba(0,0,0,0.6);
  overflow: hidden;
  background: var(--dark-brass);
}

.fp-porthole img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* ── セクション共通 ──────────────────────────────────────────── */
.fp-section {
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.5rem, 5vw, 4rem);
}

.fp-section-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 2rem;
}

.fp-section-title::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brass);
  box-shadow: 0 0 8px var(--brass-light);
}

.fp-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--brass-shadow), transparent);
}

/* ── 最新記事 ────────────────────────────────────────────────── */
.fp-posts {
  background: var(--cream);
}

.fp-post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.fp-post-card {
  background: #fff;
  border: 1px solid var(--brass-shadow);
  border-top: 3px solid var(--brass);
  border-radius: 2px;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
}

.fp-post-card:hover {
  box-shadow: 0 4px 20px rgba(107,82,32,0.18);
  transform: translateY(-2px);
  text-decoration: none;
}

.fp-post-thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--ivory);
}

.fp-post-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.fp-post-card:hover .fp-post-thumb img {
  transform: scale(1.03);
}

.fp-post-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.fp-post-cat {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brass-mid);
}

.fp-post-title {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
}

.fp-post-date {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  color: var(--brass-deep);
  margin-top: auto;
  padding-top: 0.5rem;
}

.fp-post-more {
  margin-top: 2rem;
  text-align: center;
}

/* ── プロフィール ────────────────────────────────────────────── */
.fp-profile {
  background: var(--dark-plate);
}

.fp-profile-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: center;
  max-width: 700px;
  margin: 0 auto;
}

.fp-profile-avatar {
  width: clamp(80px, 12vw, 120px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 3px solid var(--brass);
  overflow: hidden;
  background: var(--dark-brass);
  flex-shrink: 0;
}

.fp-profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}

.fp-profile-name {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brass-light);
  margin: 0 0 0.5rem;
}

.fp-profile-desc {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--cream);
  margin: 0 0 1.25rem;
}

/* ── レスポンシブ ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .fp-hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .fp-hero-image {
    order: -1;
    width: clamp(120px, 40vw, 180px);
    margin: 0 auto;
  }

  .fp-hero-cta {
    justify-content: center;
  }

  .fp-profile-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .fp-profile-avatar {
    margin: 0 auto;
  }
}