@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Noto+Serif+JP:wght@300;400;500&display=swap');

/* ============================================================
   CSS VARIABLES  （terror.css から継承）
   ============================================================ */
:root {
  --bg:           #060a11;
  --bg2:          #0a1020;
  --bg3:          #0e1628;
  --panel:        #0d1525;
  --panel2:       #111d35;

  --gold:         #c9a961;
  --gold2:        #e8c97a;
  --gold-dim:     #7a6035;
  --gold-glow:    rgba(201,169,97,0.15);

  --text:         #d8ccb4;
  --text2:        #7a6e58;
  --text3:        #4a4030;

  --border:       rgba(201,169,97,0.14);
  --border2:      rgba(201,169,97,0.30);
  --border3:      rgba(201,169,97,0.50);

  /* 区画カラー */
  --d-market:     #b8860b;   /* 中央市場区   */
  --d-east:       #3a6e5a;   /* 東住宅区     */
  --d-admin:      #2a4a7a;   /* 行政中枢区   */
  --d-port:       #4a4a6a;   /* 港湾物流区   */
  --d-church:     #7a3a6a;   /* 教会旧市街   */
  --d-officer:    #7a2a2a;   /* 士官予備区   */
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Noto Serif JP', serif;
  font-weight: 300;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
}

/* 背景テクスチャ */
body::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 70% 40% at 50% 0%,   rgba(201,169,97,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 100%,  rgba(20,40,90,0.12)  0%, transparent 60%),
    repeating-linear-gradient(
      45deg, transparent, transparent 100px,
      rgba(201,169,97,0.010) 100px, rgba(201,169,97,0.010) 101px
    );
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   SHELL
   ============================================================ */
.city-shell {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 100px;
}

/* ============================================================
   ① BACK LINK
   ============================================================ */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--text2);
  text-decoration: none;
  padding: 20px 0;
  transition: color 0.2s;
}
.back-link:hover { color: var(--gold); }

/* ============================================================
   ② HEADER
   ============================================================ */
.city-header {
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 60px;
  position: relative;
}

/* 金ラインアクセント */
.city-header::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 140px; height: 1px;
  background: var(--gold);
}

.city-archive-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 6px;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.city-title-ja {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 300;
  color: var(--text);
  letter-spacing: 0.12em;
  line-height: 1.3;
  margin-bottom: 8px;
}

.city-title-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(0.65rem, 1.8vw, 0.85rem);
  letter-spacing: 5px;
  color: var(--gold);
  opacity: 0.65;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.city-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.city-meta-chip {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text2);
  padding: 5px 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  text-transform: uppercase;
}

/* ============================================================
   SECTION UTILITY
   ============================================================ */
.section-block { margin-bottom: 72px; }

.section-eyebrow {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 5px;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.45rem;
  font-weight: 300;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 32px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0;
  width: 60px; height: 1px;
  background: var(--gold-dim);
}

/* ============================================================
   ③ MAP SECTION
   ============================================================ */
.map-frame {
  position: relative;
  display: inline-block;
  width: 100%;
}

/* 四隅装飾 */
.map-frame::before,
.map-frame::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--gold-dim);
  border-style: solid;
  z-index: 2;
  pointer-events: none;
}
.map-frame::before {
  top: -1px; left: -1px;
  border-width: 1px 0 0 1px;
}
.map-frame::after {
  bottom: -1px; right: -1px;
  border-width: 0 1px 1px 0;
}

/* 追加の二隅 */
.map-frame-inner {
  position: relative;
  border: 1px solid var(--border2);
  border-radius: 12px;
  overflow: hidden;
  background: var(--panel);
  box-shadow:
    0 0 0 1px rgba(201,169,97,0.06),
    0 24px 60px rgba(0,0,0,0.6),
    inset 0 0 80px rgba(0,0,0,0.3);
}

.map-frame-inner::before,
.map-frame-inner::after {
  content: '';
  position: absolute;
  width: 20px; height: 20px;
  border-color: var(--gold-dim);
  border-style: solid;
  z-index: 2;
  pointer-events: none;
}
.map-frame-inner::before {
  top: 10px; right: 10px;
  border-width: 1px 1px 0 0;
}
.map-frame-inner::after {
  bottom: 10px; left: 10px;
  border-width: 0 0 1px 1px;
}

.map-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 11px;
  /* 色味をソースに合わせてわずかに補正 */
  filter: brightness(0.97) contrast(1.02);
  transition: filter 0.3s;
}
.map-image:hover {
  filter: brightness(1.02) contrast(1.03);
}

/* POI追加用オーバーレイ（将来の拡張用） */
.map-poi-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 3;
  /* 将来: position:absolute の <button class="poi-pin"> を配置 */
}

/* ============================================================
   ④ DISTRICT LEGEND
   ============================================================ */
.district-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.district-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.district-card:hover {
  border-color: var(--border2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}

/* 上部カラーバー */
.district-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--d-color, var(--gold-dim));
}

.district-swatch {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 2px;
  margin-top: 5px;
  background: var(--d-color, var(--gold-dim));
  box-shadow: 0 0 6px var(--d-color, transparent);
  opacity: 0.85;
}

.district-body {}

.district-name-ja {
  font-family: 'Noto Serif JP', serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--text);
  letter-spacing: 0.05em;
  margin-bottom: 3px;
}

.district-name-en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--text2);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.district-notes {
  font-size: 11px;
  color: var(--text2);
  line-height: 1.8;
}

.district-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

.district-tag {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 2px;
  padding: 2px 7px;
  border: 1px solid var(--border);
  color: var(--text3);
}

/* ============================================================
   ⑤ FOOTER ANNOTATION
   ============================================================ */
.city-footer {
  border-top: 1px solid var(--border);
  padding-top: 36px;
  margin-top: 40px;
  position: relative;
}

.city-footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0;
  width: 80px; height: 1px;
  background: var(--gold-dim);
}

.footer-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 9px;
  letter-spacing: 4px;
  color: var(--gold-dim);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.footer-note {
  font-size: 12px;
  color: var(--text2);
  line-height: 2;
  max-width: 600px;
}

.footer-note em {
  font-style: normal;
  color: var(--gold);
  opacity: 0.8;
}

.footer-divider {
  margin: 20px 0;
  border: none;
  border-top: 1px solid var(--border);
  width: 200px;
}

.footer-copyright {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--text3);
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .city-shell { padding: 0 16px 80px; }
  .city-title-ja { font-size: 1.6rem; }
  .district-grid { grid-template-columns: 1fr; }
  .map-frame::before,
  .map-frame::after { display: none; }
}