:root {
  --ink: #1a1410;
  --paper: #f7f3ee;
  --accent: #c4873a;
  --muted: #8a7e74;
  --card-bg: #ffffff;
  --border: #e0d8cf;
  --shadow: 0 2px 20px rgba(0,0,0,0.08);
  --radius: 2px;
}

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

body {
  font-family: 'Noto Serif JP', serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100vh;
}

/* NAV */
.nav {
  background: var(--ink);
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 300;
  color: var(--paper);
  letter-spacing: 0.08em;
  cursor: pointer;
}
.nav-logo span { color: var(--accent); font-style: italic; }
.nav-logo small { font-family: 'Montserrat', sans-serif; font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.nav-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 7px 14px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: var(--radius);
  transition: opacity 0.2s;
  text-decoration: none;
}
.nav-btn:hover { opacity: 0.85; }
.nav-btn.secondary {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--paper);
}

/* PAGES */
.page { display: none; }
.page.active { display: block; }

/* HOME */
.hero {
  background: var(--ink);
  padding: 48px 20px 40px;
  text-align: center;
}
.hero-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(36px, 8vw, 64px);
  font-weight: 300;
  color: var(--paper);
  letter-spacing: 0.04em;
  line-height: 1.1;
}
.hero-sub {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 12px;
}
.hero-divider {
  width: 40px; height: 1px;
  background: var(--accent);
  margin: 20px auto;
}

.countries-section {
  padding: 32px 16px 48px;
  max-width: 680px;
  margin: 0 auto;
}
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}
.country-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (min-width: 480px) { .country-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { .country-grid { grid-template-columns: repeat(4, 1fr); } }

.country-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}
.country-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}
.country-flag { font-size: 32px; margin-bottom: 8px; }
.country-name { font-family: 'Noto Serif JP', serif; font-size: 14px; color: var(--ink); margin-bottom: 4px; }
.country-count { font-family: 'Montserrat', sans-serif; font-size: 10px; color: var(--muted); }

/* COUNTRY PAGE */
.country-header {
  background: var(--ink);
  padding: 32px 16px 28px;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  cursor: pointer;
  margin-bottom: 16px;
  background: none;
  border: none;
  padding: 0;
}
.back-btn:hover { color: var(--paper); }
.country-page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(28px, 6vw, 48px);
  font-weight: 300;
  color: var(--paper);
  letter-spacing: 0.04em;
}
.posts-list {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}
.date-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 16px 0 8px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.post-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  cursor: pointer;
  margin-bottom: 8px;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}
.post-item:hover { border-color: var(--accent); transform: translateX(4px); }
.post-thumb {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.post-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius); }
.post-info { flex: 1; min-width: 0; }
.post-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.post-meta { font-family: 'Montserrat', sans-serif; font-size: 10px; color: var(--muted); }
.post-arrow { color: var(--muted); font-size: 16px; flex-shrink: 0; }

/* POST DETAIL */
.post-header {
  background: var(--ink);
  padding: 28px 16px 24px;
}
.post-page-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(24px, 5vw, 40px);
  font-weight: 300;
  color: var(--paper);
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.post-page-date {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.15em;
  margin-top: 8px;
}

/* MEDIA FEED */
.media-feed { max-width: 680px; margin: 0 auto; }
.media-item {
  background: var(--card-bg);
  margin-bottom: 2px;
  overflow: hidden;
}
.media-wrapper {
  width: 100%;
  position: relative;
  background: #000;
  overflow: hidden;
}
.media-wrapper img,
.media-wrapper video {
  width: 100%;
  display: block;
  max-height: 80vh;
  object-fit: contain;
  background: #000;
}
.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.25);
  cursor: pointer;
  transition: opacity 0.3s;
}
.video-overlay.hidden { opacity: 0; pointer-events: none; }
.play-btn {
  width: 56px; height: 56px;
  background: rgba(255,255,255,0.92);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s;
}
.play-btn svg { width: 22px; height: 22px; fill: var(--ink); margin-left: 3px; }
.video-overlay:hover .play-btn { transform: scale(1.1); }
.media-caption {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
}
.caption-text {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  white-space: pre-line;
}
.caption-location {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.1em;
  margin-top: 8px;
}
.media-actions {
  padding: 10px 16px;
  display: flex;
  gap: 20px;
}
.action-btn {
  background: none; border: none; cursor: pointer;
  display: flex; align-items: center; gap: 5px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; color: var(--muted);
  padding: 4px 0; transition: color 0.2s;
}
.action-btn:hover { color: var(--accent); }
.action-btn.liked { color: #e74c3c; }

@media (min-width: 768px) {
  .countries-section, .posts-list, .media-feed { max-width: 760px; }
  .media-item {
    border: 1px solid var(--border);
    border-radius: 4px;
    margin-bottom: 16px;
    box-shadow: var(--shadow);
  }
}

/* FORMS (shared) */
.form-group { margin-bottom: 16px; }
.form-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}
.required { color: var(--accent); }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  background: white;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-textarea { min-height: 90px; resize: vertical; line-height: 1.7; }
.submit-btn {
  padding: 12px 28px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.submit-btn:hover { background: var(--accent); }
.cancel-btn {
  padding: 12px 20px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  cursor: pointer;
  border-radius: var(--radius);
}

/* EMPTY / LOADING */
.empty-state {
  text-align: center; padding: 60px 20px; color: var(--muted);
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-text { font-family: 'Montserrat', sans-serif; font-size: 12px; }
.loading-state {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.1em;
  padding: 20px 0;
  grid-column: 1/-1;
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--ink);
  color: var(--paper);
  padding: 10px 20px;
  border-radius: 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  z-index: 300;
  transition: transform 0.3s ease;
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: #c0392b; }