/* 「合宿免許が安い時期」コラム固有スタイル。
   メインカラムの白背景やセクション区切り(下線)は top-renewal.css / guide-common.css の
   標準デザインをそのまま使い、ここではこのページ内の部品だけを定義する。
   （column-cost.css / column-age.css と同じ方針）
   色は guide-common.css の :root 変数を再利用し、同じ色を別名で再定義しない。 */

/* 記事ヘッダーのカテゴリ・更新日 */
.cs-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 12px 0 0;
  color: var(--guide-muted);
  font-size: 0.85rem;
}

.cs-article-meta__category {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--guide-gold-pale);
  color: var(--guide-gold-dark);
  font-weight: 700;
}

.cs-article-meta__date {
  display: inline-flex;
  align-items: center;
}

/* 冒頭の結論 */
.cs-conclusion-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cs-conclusion-list li {
  position: relative;
  padding: 12px 16px 12px 44px;
  border-radius: 12px;
  background: var(--guide-gold-pale);
  color: var(--guide-ink);
  line-height: 1.7;
}

.cs-conclusion-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 10px;
  height: 6px;
  border-left: 3px solid var(--guide-gold-dark);
  border-bottom: 3px solid var(--guide-gold-dark);
  transform: rotate(-45deg);
}

/* 汎用の箇条書きリスト（理由・注意点など） */
.cs-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.cs-list li {
  position: relative;
  padding: 10px 14px 10px 24px;
  color: var(--guide-ink);
  line-height: 1.8;
}

.cs-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--guide-gold-dark);
}

/* チェック付きリスト（春休み・夏休みの判断方法） */
.cs-check-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.cs-check-list li {
  position: relative;
  padding: 12px 16px 12px 44px;
  border-radius: 12px;
  background: var(--guide-soft);
  color: var(--guide-ink);
  line-height: 1.7;
}

.cs-check-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 10px;
  height: 6px;
  border-left: 3px solid var(--guide-gold-dark);
  border-bottom: 3px solid var(--guide-gold-dark);
  transform: rotate(-45deg);
}

/* 要素を並べるコンパクトなリスト（候補時期・料金条件など） */
.cs-factor-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
}

.cs-factor-list li {
  position: relative;
  padding: 8px 8px 8px 24px;
  color: var(--guide-ink);
  line-height: 1.7;
}

.cs-factor-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--guide-gold-dark);
}

/* 本文内のインラインリンク群（春休み・夏休みの関連ページ） */
.cs-inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 20px 0 0 !important;
}

.cs-inline-links a {
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cs-inline-links a::after {
  content: " →";
}

/* ============================================================
   年間カレンダー（1〜12月／3区分）
   色だけで意味を伝えないよう、必ずテキストラベルを併記する。
   ============================================================ */

/* 凡例 */
.cs-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 18px 0;
  padding: 0;
  list-style: none;
  font-size: 0.85rem;
}

.cs-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--guide-ink);
}

.cs-legend__swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  border: 1px solid rgba(45, 52, 54, .15);
}

.cs-legend__item--low .cs-legend__swatch {
  background: var(--guide-green-pale);
  border-color: #7fcea5;
}

.cs-legend__item--mid .cs-legend__swatch {
  background: var(--guide-gold-pale);
  border-color: var(--guide-gold);
}

.cs-legend__item--high .cs-legend__swatch {
  background: #fdecef;
  border-color: var(--guide-red);
}

/* カレンダー本体（レスポンシブグリッド。横スクロールさせない） */
.cs-year-calendar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cs-month-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--guide-border);
  border-left: 5px solid var(--guide-border);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(45, 52, 54, .05);
}

.cs-month-card--low {
  border-left-color: #4bb37f;
}

.cs-month-card--mid {
  border-left-color: var(--guide-gold);
}

.cs-month-card--high {
  border-left-color: var(--guide-red);
}

.cs-month-card__name {
  margin: 0 0 8px !important;
  color: var(--guide-ink);
  font-size: 1.2rem;
  font-weight: 800;
}

/* 区分バッジ（テキスト併記／色のみに依存しない） */
.cs-cat-badge {
  display: inline-block;
  align-self: flex-start;
  margin: 0 0 10px !important;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.5;
}

.cs-cat-badge--low {
  background: var(--guide-green-pale);
  color: #1f7a4d;
}

.cs-cat-badge--mid {
  background: var(--guide-gold-pale);
  /* var(--guide-gold-dark) はこの背景色に対してWCAG AA(4.5:1)を満たさないため、この場所だけ濃色に上書き */
  color: #7a5d00;
}

.cs-cat-badge--high {
  background: #fdecef;
  color: #b02a41;
}

.cs-month-card__note {
  margin: 0 0 14px !important;
  color: var(--guide-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.cs-month-card__link {
  margin-top: auto;
  color: #285f7d;
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.cs-month-card__link::after {
  content: " →";
}

/* ============================================================
   入校時期を決める手順（STEP）
   ============================================================ */
.cs-step-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cs-step-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--guide-border);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(45, 52, 54, .05);
}

.cs-step-card__label {
  flex: 0 0 auto;
  margin: 0;
  min-width: 72px;
  color: var(--guide-gold-dark);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.cs-step-card__title {
  flex: 1 1 200px;
  margin: 0;
  color: var(--guide-ink);
  line-height: 1.7;
}

/* ============================================================
   比較チェックリスト
   ============================================================ */
.cs-checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.cs-checklist li {
  position: relative;
  padding: 10px 12px 10px 40px;
  border-radius: 10px;
  background: var(--guide-soft);
  color: var(--guide-ink);
  line-height: 1.6;
}

.cs-checklist li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 18px;
  width: 10px;
  height: 6px;
  border-left: 3px solid var(--guide-gold-dark);
  border-bottom: 3px solid var(--guide-gold-dark);
  transform: rotate(-45deg);
}

/* ============================================================
   関連ページ（最大3件）
   ============================================================ */
.cs-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.cs-related-card {
  display: block;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--guide-border);
  border-radius: 14px;
  box-shadow: 0 8px 22px rgba(45, 52, 54, .05);
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.cs-related-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(45, 52, 54, .1);
}

.cs-related-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--guide-ink);
  font-size: 1.02rem;
  line-height: 1.5;
}

.cs-related-card span {
  margin: 0;
  color: var(--guide-muted);
  line-height: 1.8;
}

@media (max-width: 767px) {
  .cs-year-calendar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cs-related-grid,
  .cs-factor-list,
  .cs-checklist {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .cs-year-calendar {
    grid-template-columns: 1fr;
  }
}