/* =============================================
   calendar.css
   ============================================= */

:root {
  --main:      #8451ab;
  --main-dark: #5e3880;
  --border:    #d7d7d7;
  --sun:       #c0392b;
  --sat:       #1a5fa8;
  --today-bg:  #e67e22;
}

body {
  margin: 0;
  background: #fafafa;
  font-family: 'Meiryo', sans-serif;
}

/* ===== カレンダーブロック ===== */
.cal-block {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

/* ===== 月選択エリア ===== */
.month-selector-area {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, var(--main-dark), var(--main));
  border-radius: 10px;
  padding: 14px 24px;
  margin-bottom: 20px;
  box-shadow: 0 3px 10px rgba(132, 81, 171, .25);
}

.selector-label {
  color: #fff;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: .03em;
  white-space: nowrap;
}

.month-select {
  padding: 7px 14px;
  font-size: 15px;
  border: none;
  border-radius: 6px;
  background: #fff;
  color: var(--main-dark);
  font-weight: bold;
  cursor: pointer;
  outline: none;
  box-shadow: 0 1px 4px rgba(0,0,0,.15);
}

/* ===== カレンダー枠 ===== */
.cal-table {
  border: 1px solid var(--border);
  overflow: hidden;
  border-radius: 4px;
}

/* ===== 曜日ヘッダー ===== */
.dow-row,
.cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.dow {
  background: var(--main);
  color: rgba(255, 255, 255, .9);
  text-align: center;
  padding: 10px 4px;
  font-weight: bold;
  font-size: 13px;
  border-right: 1px solid rgba(255, 255, 255, .2);
}
.dow:last-child { border-right: none; }
.dow.sun { color: #ff8a80; }
.dow.sat { color: #82b1ff; }

/* ===== 日付セル ===== */
.cell {
  min-height: 110px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 6px;
  background: #fff;
}
.cell:nth-child(7n) { border-right: none; }
.empty { background: #f3f3f3; }

/* 日付番号 */
.day-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: bold;
  color: #333;
  margin-bottom: 4px;
}
.cell.sun-cell  .day-num { color: var(--sun); }
.cell.sat-cell  .day-num { color: var(--sat); }
.cell.holi-cell .day-num { color: var(--sun); }
.cell.today .day-num {
  background: var(--today-bg);
  color: #fff;
  box-shadow: 0 0 0 2px rgba(230, 126, 34, .35);
}

/* ===== バッジ（中央揃え） ===== */
.badge {
  display: block;
  width: 100%;
  margin-bottom: 4px;
  border: none;
  border-radius: 20px;
  padding: 4px 10px;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  text-align: center;   /* 中央揃え */
  cursor: pointer;
  transition: filter .15s, transform .1s;
}
.badge:hover  { filter: brightness(1.15); transform: translateY(-1px); }
.badge:active { transform: none; }

/* カテゴリ色（写真の設定に合わせて更新） */
.c-rikuji   { background: #2e7d32; }  /* 陸見学 */
.c-kaiji    { background: #6aa5e9; }  /* 海見学 */
.c-kuji     { background: #78909c; }  /* 空見学（灰色） */
.c-jonan    { background: #00695c; }  /* 城南 */
.c-johoku   { background: #0c35eb; }  /* 城北 */
.c-santama  { background: #ece914; }  /* 三多摩 */
.c-joto     { background: #c62828; }  /* 城東 */
.c-honbu    { background: #6a1b9a; }  /* 本部 */

/* ===== オーバーレイ ===== */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .5);
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 16px;
}
.overlay.on { display: flex; }

/* ===== ポップアップ ===== */
.popup {
  width: 100%;
  max-width: 580px;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, .3);
  border-top: 4px solid var(--main);
  animation: fadeUp .2s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.popup-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1;
}

.popup-date {
  font-size: 1rem;
  font-weight: bold;
  color: var(--main-dark);
}

.btn-close {
  border: none;
  background: var(--main);
  color: #fff;
  padding: 6px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: bold;
  cursor: pointer;
  font-family: inherit;
}
.btn-close:hover { background: var(--main-dark); }

/* ポップアップ画像（縦幅フル） */
.popup-img-wrap { background: #111; }
.popup-img-wrap.hidden { display: none; }
.popup-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* ===== イベント詳細本文 ===== */
.popup-body { padding: 16px 20px 20px; }

/* カテゴリラベル */
.ev-cat-label {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 20px;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 12px;
}

/* タイトル */
.ev-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--main-dark);
  margin-bottom: 14px;
  line-height: 1.5;
}

/* 詳細テーブル */
.ev-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 16px;
}
.ev-table th {
  width: 90px;
  padding: 8px 10px;
  background: #f5f0fb;
  color: var(--main-dark);
  font-weight: bold;
  text-align: left;
  border: 1px solid #e0d6ee;
  white-space: nowrap;
}
.ev-table td {
  padding: 8px 10px;
  border: 1px solid #e0d6ee;
  color: #333;
  line-height: 1.5;
  white-space: pre-line;
}

/* リンク行 */
.ev-link-row {
  display: flex;
  justify-content: flex-end;
}

.ev-link-btn {
  display: inline-block;
  padding: 8px 18px;
  background: var(--main);
  color: #fff;
  font-size: 13px;
  font-weight: bold;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: background .15s;
}
.ev-link-btn:hover { background: var(--main-dark); }
.ev-link-btn.hidden { display: none; }

/* ===== レスポンシブ ===== */
@media (max-width: 640px) {
  .month-selector-area { flex-direction: column; gap: 8px; padding: 12px 16px; }
  .cell    { min-height: 80px; padding: 4px; }
  .badge   { font-size: 10px; padding: 3px 6px; }
  .day-num { width: 20px; height: 20px; font-size: 11px; }
  .ev-table th { width: 70px; }
}

/* =============================================
   説明会セクション
   ============================================= */
:root {
  --sk-accent:       #5a3e8f;
  --sk-accent2:      #7b5fbf;
  --sk-bg:           #f7f5fb;
  --sk-card-bg:      #ffffff;
  --sk-radius:       12px;
  --sk-shadow:       0 2px 12px rgba(90,62,143,.13);
  --sk-shadow-hover: 0 6px 24px rgba(90,62,143,.22);
}

.sk-section {
  margin: 32px auto 0;
  max-width: 1100px;
  padding: 0 20px 48px;
  font-family: 'Meiryo', 'Hiragino Kaku Gothic ProN', sans-serif;
}

/* ヘッダー */
.sk-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.sk-header-line {
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--sk-accent));
}
.sk-header-line:last-child {
  background: linear-gradient(90deg, var(--sk-accent), transparent);
}
.sk-header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--sk-accent);
  white-space: nowrap;
  margin: 0;
  letter-spacing: .05em;
}

/* グリッド：PC=4列 / タブレット=3列 / スマホ=2列 */
.sk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 768px) {
  .sk-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
  .sk-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
}

/* カード */
.sk-card {
  background: var(--sk-card-bg);
  border-radius: var(--sk-radius);
  box-shadow: var(--sk-shadow);
  overflow: hidden;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
  display: flex;
  flex-direction: column;
  border: 1.5px solid transparent;
}
.sk-card:hover,
.sk-card:focus {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--sk-shadow-hover);
  border-color: var(--sk-accent2);
  outline: none;
}
.sk-card:active { transform: scale(.98); }

.sk-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top;
  display: block;
  background: #e8e4f0;
}
.sk-card-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  text-align: center;
  padding: 12px;
  line-height: 1.5;
}
.sk-card-label {
  padding: 8px 10px;
  font-size: 11px;
  font-weight: 700;
  color: var(--sk-accent);
  background: var(--sk-bg);
  text-align: center;
  letter-spacing: .03em;
}

/* オーバーレイ */
.sk-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,10,40,.55);
  backdrop-filter: blur(3px);
  z-index: 1000;
}
.sk-overlay.active { display: block; }

/* ポップアップ */
.sk-popup {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -48%) scale(.96);
  width: min(92vw, 480px);
  max-height: 85vh;
  overflow-y: auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 16px 48px rgba(20,10,40,.35);
  z-index: 1001;
  opacity: 0;
}
.sk-popup.active {
  display: block;
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  animation: skPopIn .22s cubic-bezier(.34,1.56,.64,1) forwards;
}
@keyframes skPopIn {
  from { transform: translate(-50%,-44%) scale(.93); opacity: 0; }
  to   { transform: translate(-50%,-50%) scale(1);   opacity: 1; }
}

.sk-popup-close {
  position: absolute;
  top: 12px; right: 12px;
  width: 32px; height: 32px;
  border: none;
  background: rgba(90,62,143,.12);
  color: var(--sk-accent);
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background .15s;
}
.sk-popup-close:hover { background: rgba(90,62,143,.25); }

.sk-popup-img-wrap {
  width: 100%; 
  background: #e8e4f0;
}
.sk-popup-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.sk-popup-body { padding: 20px 20px 24px; }

.sk-popup-category {
  font-size: 11px; font-weight: 700;
  color: var(--sk-accent2);
  letter-spacing: .08em;
  margin: 0 0 6px;
}
.sk-popup-title {
  font-size: 18px; font-weight: 800;
  color: #1a0a35;
  margin: 0 0 16px; line-height: 1.45;
}
.sk-popup-dl {
  margin: 0 0 20px;
  display: flex; flex-direction: column; gap: 10px;
}
.sk-popup-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 8px; font-size: 13px; line-height: 1.6;
}
.sk-popup-row dt { font-weight: 700; color: var(--sk-accent); padding-top: 1px; }
.sk-popup-row dd { margin: 0; color: #333; white-space: pre-line; }

.sk-popup-link {
  display: block; text-align: center;
  background: var(--sk-accent);
  color: #fff; font-size: 14px; font-weight: 700;
  padding: 12px 20px; border-radius: 999px;
  text-decoration: none; letter-spacing: .05em;
  transition: background .15s, transform .1s;
}
.sk-popup-link:hover { background: var(--sk-accent2); transform: scale(1.02); }
.sk-popup-link.sk-hidden { display: none; }