/* ============================
   Reset / Base
============================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  color: #0f172a;
}

/* デモ用レイアウト（必要なければ削ってOK） */
.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.page-title {
  text-align: center;
  margin: 0 0 24px;
  font-size: 1.3rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #0f172a;
}

/* ============================
   カレンダー帯全体
============================ */

/* 上段：月画像＋カレンダー帯
   下段：左右ボタン（PC/スマホ共通） */
.calendar-strip-wrapper {
  display: grid;
  grid-template-columns: 1fr auto auto 1fr;  /* 中央2カラムにボタン */
  grid-template-rows: auto auto;             /* 1行目：本体 / 2行目：ボタン */
  align-items: center;
  justify-items: center;
  row-gap: 14px;
  width: 100%;
}

/* 月画像＋カレンダー帯ブロック（1行目を全幅で占有） */
.month-block {
  grid-column: 1 / 5;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

/* ============================
   月の画像部分
============================ */

.month-image-frame {
  width: 900px; /* カレンダー帯と同じ幅。変更するならここ */
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: #0b1015;
  border-radius: 6px 6px 0 0;
}

/* 画像は横いっぱい・縦は自動 */
.month-image-frame img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
  aspect-ratio: auto;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* ============================
   カレンダー帯（キャプチャ対象）
============================ */

.calendar-strip {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  padding: 6px 22px 8px;
  background: linear-gradient(to bottom, #f6f3eb 0%, #e2eee0 100%);
  border: 1px solid rgba(148, 163, 184, 0.5);
  width: 900px;
  display: block;

  font-family: "EB Garamond", "Times New Roman", serif;
  font-variant-numeric: tabular-nums;

  position: relative;
}

/* ---------------------------
   上段：Year 2025 · 10
---------------------------- */

.strip-header {
  margin-bottom: 4px;
}

.strip-label {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #4b5563;
}

/* ---------------------------
   下段：曜日＋日付
---------------------------- */

.strip-row {
  display: grid;
  grid-template-columns: repeat(31, minmax(0, 1fr));
  margin-bottom: 3px;
}

/* 曜日セル */
.cell-w {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  color: #6b7280;
  font-feature-settings: "tnum";
}

/* 日付セル */
.cell-d {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: center;
  color: #111827;
  padding: 1px 0;
  font-feature-settings: "tnum";
}

/* 土日カラー */
.cell-w.sun,
.cell-d.sun {
  color: #b9473f;
}

.cell-w.sat,
.cell-d.sat {
  color: #275c96;
}

/* 余りセル（透明） */
.cell-w.empty,
.cell-d.empty {
  color: transparent;
}

/* 今日の日付（控えめな丸印） */
.cell-d.today {
  border-radius: 999px;
  background: rgba(249, 250, 251, 0.9);
  box-shadow: 0 0 0 1px rgba(148, 163, 184, 0.7);
}

/* hover確認用 */
.cell-d:hover {
  background: rgba(15, 23, 42, 0.04);
}

/* ============================
   署名（右上：美術館刻印スタイル）
============================ */

.strip-signature {
  position: absolute;
  right: 10px;
  top: 6px;

  font-family: "EB Garamond", serif;
  font-size: 0.48rem;
  text-transform: capitalize;
  letter-spacing: 0.22em;

  color: #5d6c81;
  opacity: 0.68;

  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* ============================
   下のナビゲーションボタン
============================ */

/* 共通デザイン */
.nav-btn {
  border: none;
  background: rgba(15, 23, 42, 0.9);
  color: #f9fafb;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.45);
  transition: background 0.18s ease,
              transform 0.18s ease,
              box-shadow 0.18s ease;
}

/* 下段・横並びの位置指定 */
.nav-prev {
  grid-column: 2;
  grid-row: 2;
}

.nav-next {
  grid-column: 3;
  grid-row: 2;
}

.nav-btn:hover {
  background: rgba(15, 23, 42, 1);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.55);
}

/* ============================
   Responsive
============================ */

@media (max-width: 920px) {
  .month-image-frame {
    width: 100%;
    border-radius: 4px 4px 0 0;
  }

  .calendar-strip {
    width: 100%;
  }

  .strip-signature {
    right: 6px;
    top: 6px;
    font-size: 0.45rem;
  }
}

/* スマホ用：フォントと余白を全体的に縮める */
@media (max-width: 480px) {
  .calendar-strip {
    padding: 4px 10px 6px;   /* 左右の余白も少し削る */
    font-size: 0.7rem;       /* 全体の基準を小さく */
  }

  .strip-label {
    font-size: 0.9em;        /* Year 2025 · 10 を少し縮小 */
    letter-spacing: 0.18em;  /* 文字間も少し詰める */
  }

  .strip-row {
    margin-bottom: 2px;
  }

  .cell-w {
    font-size: 0.6em;        /* 曜日 */
    letter-spacing: 0.02em;
  }

  .cell-d {
    font-size: 0.7em;        /* 日付 */
    padding: 0;              /* 上下の余白を削る */
  }

  .strip-signature {
    font-size: 0.42rem;      /* 署名もちょい小さく */
    right: 4px;
  }

  /* ボタンは少し大きめでタップしやすく */
  .nav-btn {
    width: 48px;
    height: 48px;
    font-size: 1.35rem;
  }
}
/* ======================================
   FINAL: PC/スマホ共通で下に横並びボタン固定
======================================= */

.calendar-strip-wrapper {
  display: flex !important;
  flex-direction: column !important;
  align-items: center;
  gap: 14px;
}

/* ボタン行（強制横並び） */
.calendar-nav-row {
  display: flex !important;
  flex-direction: row !important;
  justify-content: center;
  align-items: center;
  gap: 16px;
  width: auto;
}

/* 旧左右ボタンは完全に無効化 */
.calendar-strip-wrapper > .nav-btn {
  display: none !important;
}

/* 共通ボタンサイズ */
.calendar-nav-row .nav-btn {
  width: 44px;
  height: 44px;
  font-size: 1.2rem;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* スマホは少し大きめ */
@media (max-width: 600px) {
  .calendar-nav-row .nav-btn {
    width: 52px;
    height: 52px;
    font-size: 1.35rem;
  }
}
/* =========================
   Forest Calendar - 準備中表示
========================= */
#forest-calendar .calendar-strip-wrapper {
  position: relative;
  filter: brightness(0.55);
}

/* 真ん中に「準備中」 */
#forest-calendar .calendar-strip-wrapper::after {
  content: "準備中";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  font-weight: 600;
  color: rgba(255,255,255,.95);
  background: rgba(0,0,0,.45);
  padding: 10px 26px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
  z-index: 10;
  pointer-events: none;
}

/* スマホ用に少し小さく */
@media (max-width: 600px) {
  #forest-calendar .calendar-strip-wrapper::after {
    font-size: 16px;
    padding: 6px 18px;
  }
}