:root {
  --bg: #ede4cf;     /* 和紙 */
  --panel: #fffaf0;  /* 生成り */
  --panel2: #f3ead2;
  --ink: #3a2e26;    /* 墨茶 */
  --dim: #8a7d6a;
  --line: #d8c9a8;
  --vermil: #e8431c;
  --gold: #c98a00;
  --green: #3a8a3a;
  --bad: #c0392b;
  --grass: #7ec850;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

#app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding: 8px;
}

.mutebtn {
  position: fixed;
  top: 8px;
  right: 8px;
  z-index: 10;
  width: 40px;
  height: 40px;
  font-size: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  cursor: pointer;
  touch-action: manipulation;
}
.mutebtn:active { filter: brightness(0.95); }

/* ---- 共通スクリーン ---- */
.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 16px;
}
.hidden { display: none !important; }

.title {
  font-size: clamp(36px, 11vw, 64px);
  letter-spacing: 0.08em;
  margin: 0;
  color: var(--vermil);
  text-shadow: 2px 2px 0 #fff0d0;
}
.subtitle { color: var(--dim); margin: -6px 0 6px; letter-spacing: 0.18em; }
.story { line-height: 1.9; font-size: 15px; color: var(--ink); max-width: 380px; }
h2 { color: var(--vermil); font-weight: 700; margin: 6px 0; }

.big-btn {
  margin-top: 6px;
  padding: 14px 32px;
  font-size: 18px;
  color: #fff;
  background: var(--vermil);
  border: none;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
  box-shadow: 0 3px 0 #a8300f;
}
.big-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #a8300f; }
.text-btn {
  background: none;
  border: none;
  color: var(--dim);
  font-size: 14px;
  text-decoration: underline;
  cursor: pointer;
}

/* ---- プレイ画面 ---- */
#game {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#statusbar {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  white-space: nowrap;
  overflow-x: auto;
  display: flex;
  gap: 12px;
}
#statusbar .v { color: var(--vermil); }
#statusbar .g { color: var(--gold); }
#statusbar .gr { color: var(--green); }
#statusbar .bad { color: var(--bad); }

#map {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 auto;
  background: var(--grass);
  border: 2px solid #5a8a3a;
  border-radius: 8px;
  image-rendering: auto;
  user-select: none;
  touch-action: manipulation;
}

#log {
  font-size: 12.5px;
  color: var(--dim);
  min-height: 2.8em;
  line-height: 1.45;
  padding: 0 4px;
}
#log .latest { color: var(--ink); font-weight: 600; }
#log .combo { color: var(--gold); font-weight: 700; }

/* ---- ツールバー ---- */
#toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}
#speed { display: flex; gap: 4px; }
.spbtn {
  width: 38px;
  height: 34px;
  font-size: 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
}
.spbtn.active { background: var(--vermil); color: #fff; border-color: var(--vermil); }
#selinfo {
  flex: 1;
  font-size: 13px;
  color: var(--ink);
  background: var(--panel2);
  border-radius: 8px;
  padding: 8px 10px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#selinfo.armed { background: #fff0c8; color: var(--gold); font-weight: 700; }
#toolbar .abtn {
  width: 38px;
  height: 34px;
  font-size: 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
  color: var(--ink);
}

/* ---- 建物パレット ---- */
#palette {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 2px 2px 6px;
  scrollbar-width: thin;
}
.pbtn {
  flex: 0 0 auto;
  min-width: 64px;
  padding: 7px 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-align: center;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
}
.pbtn .pn { display: block; font-size: 13px; font-weight: 700; color: var(--ink); }
.pbtn .pc { display: block; font-size: 11px; color: var(--gold); margin-top: 2px; }
.pbtn .pcat { display: block; font-size: 10px; color: var(--dim); }
.pbtn.sel { background: #fff0c8; border-color: var(--vermil); box-shadow: 0 0 0 2px var(--vermil) inset; }
.pbtn.locked { opacity: 0.45; }
.pbtn.poor .pc { color: var(--bad); }

/* カテゴリ色帯 */
.pbtn.cat-housing { border-top: 3px solid #c8953c; }
.pbtn.cat-shop { border-top: 3px solid var(--vermil); }
.pbtn.cat-train { border-top: 3px solid #c0392b; }
.pbtn.cat-decor { border-top: 3px solid var(--green); }
.pbtn.cat-util { border-top: 3px solid #2d6bb0; }