:root {
  --bg: #fdf6f0;
  --card: #ffffff;
  --board: #fffef8;
  --border: #e8d8cc;
  --accent: #f4a261;
  --accent-dark: #e08a3a;
  --text: #4a3f35;
  --muted: #9a8a7a;
  --good: #2a9d8f;
  --danger: #e76f51;
}

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

body {
  font-family: 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* トップバー */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.logo {
  font-family: 'Mochiy Pop One', sans-serif;
  font-size: 1.5rem;
  color: var(--accent-dark);
}
.tagline { color: var(--muted); font-size: 0.85rem; flex: 1; }
.lang-select { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; }
.lang-select select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: inherit;
  font-size: 0.9rem;
  background: #fff;
}

/* ワークスペース */
.workspace {
  max-width: 720px;
  margin: 24px auto;
  padding: 0 16px;
}

/* ホワイトボード */
.board-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.board {
  background: var(--board);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.board-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1.4rem;
  font-family: 'Yomogi', 'Zen Maru Gothic', sans-serif;
  resize: none;
  outline: none;
  color: var(--text);
  min-height: 120px;
  line-height: 1.8;
}
.board-input::placeholder { color: #ccc; }
.board-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

button {
  border: none;
  border-radius: 12px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  transition: filter .15s, transform .05s;
}
button:hover { filter: brightness(1.05); }
button:active { transform: translateY(1px); }

.btn-run { background: var(--accent); color: #fff; font-weight: 700; }
.btn-clear { background: #f0e6dd; color: var(--text); }
.btn-speak { background: var(--good); color: #fff; }
.btn-stop { background: #e8d8cc; color: var(--text); }
.btn-acc { background: #e9c9a8; color: var(--text); }

.font-select { display: flex; align-items: center; gap: 6px; margin-left: auto; font-size: 0.85rem; }
.font-select select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-family: inherit;
}

/* 翻訳結果 */
.result-card {
  margin-top: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}
.result-main .row {
  padding: 8px 0;
  line-height: 1.7;
}
.row.jp { color: var(--muted); font-size: 0.95rem; }
.row.target { font-size: 1.5rem; font-weight: 700; }
.row.reading { font-size: 1.1rem; color: var(--accent-dark); }
.row.pinyin { font-size: 1rem; color: var(--good); font-family: 'Kiwi Maru', sans-serif; }
.row.roman { font-size: 1rem; color: var(--good); }

.result-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.toggle { display: flex; align-items: center; gap: 4px; font-size: 0.85rem; }
.status { margin-top: 12px; font-size: 0.8rem; color: var(--muted); min-height: 18px; }

.hidden { display: none; }