/* calendata — modern minimal stylesheet
   Layout/placement intentionally mirrors the original; only the look is updated. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-text: #ffffff;
  --success: #16a34a;
  --alert: #dc2626;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --maxw: 1040px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 16px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.icon { font-style: normal; }

/* --- Header ------------------------------------------------------------ */
#cal-header {
  padding-top: 16px;
  padding-bottom: 8px;
}
.lang-switch {
  text-align: right;
  font-size: 0.85rem;
}
.lang-switch a {
  margin-left: 10px;
  color: var(--muted);
}
#cal-header h1 {
  font-size: 1.6rem;
  margin: 0.3em 0 0.6em;
  line-height: 1.3;
}
#cal-header h1 a { color: var(--text); }

/* --- Layout (main + sidebar) ------------------------------------------ */
.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: start;
}
.events_description {
  grid-column: 1 / -1;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
}

/* --- Cards / panels ---------------------------------------------------- */
.card,
.panel,
.callout {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}
.panel h2 { margin-top: 0; font-size: 1.1rem; }

/* --- Date picker form -------------------------------------------------- */
.fieldset { margin-bottom: 12px; }
.date-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}
.date-input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}
/* クリック領域を広げ、フィールドのどこを押してもピッカーを開く */
.date-input::-webkit-calendar-picker-indicator {
  cursor: pointer;
}

/* --- Buttons ----------------------------------------------------------- */
.button {
  display: inline-block;
  padding: 10px 16px;
  margin: 4px 4px 4px 0;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  text-align: center;
}
.button:hover { text-decoration: none; border-color: var(--primary); }
.button.primary {
  background: var(--primary);
  color: var(--primary-text);
  border-color: var(--primary);
  width: 100%;
}
.button.secondary { color: var(--muted); }
.button.disabled,
.button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.try-buttons { display: flex; flex-wrap: wrap; gap: 4px; }

.hint {
  margin: 8px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* --- Result lists ------------------------------------------------------ */
.user-date { font-weight: 600; }
.date-list { list-style: none; margin: 0; padding: 0; }
.date-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}
.date-list li:last-child { border-bottom: 0; }

.label {
  display: inline-block;
  min-width: 64px;
  padding: 3px 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  border-radius: 6px;
  color: #fff;
}
.label.success { background: var(--success); }
.label.alert { background: var(--alert); }
.grey { color: var(--muted); }

h2 { font-size: 1.15rem; }

/* --- Ads --------------------------------------------------------------- */
.mid-ad, .bottom_ads, .side_ads {
  margin: 24px 0;
  text-align: center;
  overflow: hidden; /* 固定サイズ広告が枠からはみ出さないように */
}
/* 広告ユニットを枠幅に収めて他要素と横幅を揃える */
.mid-ad .adsbygoogle,
.bottom_ads .adsbygoogle,
.side_ads .adsbygoogle {
  max-width: 100%;
}

/* --- Credits / footer -------------------------------------------------- */
.credits { font-size: 0.85rem; color: var(--muted); text-align: left; }
.credits ul { padding-left: 1.2em; margin: 8px 0 0; }

#cal-footer {
  margin: 32px auto;
  color: var(--muted);
  font-size: 0.9rem;
}
#cal-footer hr { border: 0; border-top: 1px solid var(--border); margin: 16px 0; }
.disclaimer p { margin: 6px 0; }
.credit { font-size: 0.8rem; }

hr { border: 0; border-top: 1px solid var(--border); }