@charset "UTF-8";

/* ============================================================
   年度別カードグリッド
   スマホ：1カラム
   PC（768px〜）：2カラム
   ============================================================ */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }
}

/* ============================================================
   年度別カード (.results-card)
   ============================================================ */
.results-card {
  background-color: var(--color-bg-white);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 16px rgba(16, 43, 76, 0.04);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  display: flex;
  flex-direction: column;
}

.results-card__header {
  border-bottom: 2px solid var(--color-bg-mint);
  padding-bottom: 0.75rem;
  margin-bottom: 1.25rem;
}

.results-card__year {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  line-height: 1.3;
}

.results-card__body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* 区分グループ（大学入試・高校入試・中学入試） */
.results-group__title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  position: relative;
  padding-left: 0.75rem;
  margin: 0 0 0.6rem 0;
  line-height: 1.4;
}

.results-group__title::before {
  content: "";
  position: absolute;
  top: 0.25em;
  left: 0;
  width: 3px;
  height: 0.9em;
  background-color: var(--color-accent);
  border-radius: 2px;
}

/* 小区分（国公立・私立） */
.results-category {
  margin-bottom: 0.75rem;
}

.results-category:last-child {
  margin-bottom: 0;
}

.results-category__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
  padding-bottom: 2px;
  border-bottom: 1px dashed var(--color-border);
}

/* 合格校リスト */
.results-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.results-list li {
  font-size: 0.875rem;
  color: var(--color-text-main);
  line-height: 1.65;
  padding-left: 1rem;
  position: relative;
}

.results-list li::before {
  content: "•";
  color: var(--color-accent-dark);
  position: absolute;
  left: 0.15rem;
  top: 0;
  font-size: 0.85rem;
}

/* ============================================================
   過去の合格実績アコーディオン (.past-archive)
   ============================================================ */
.past-archive {
  margin-top: clamp(3rem, 5vw, 4.5rem);
  padding-top: clamp(2rem, 4vw, 3rem);
  border-top: 1px solid var(--color-border);
}

.past-archive__header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.past-archive__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.past-archive__desc {
  font-size: var(--fs-sub);
  color: var(--color-text-sub);
}

.accordion-list {
  max-width: 840px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(16, 43, 76, 0.03);
}

.accordion-title {
  padding: 1.1rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.2s ease;
  user-select: none;
}

.accordion-title:hover {
  background-color: var(--color-bg-mint);
}

.accordion-title::-webkit-details-marker {
  display: none;
}

/* 開閉トグルアイコン（CSSだけで描画する＋−） */
.accordion-icon {
  position: relative;
  width: 16px;
  height: 16px;
  display: inline-block;
  flex-shrink: 0;
}

.accordion-icon::before,
.accordion-icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: transform 0.25s ease;
}

/* 横棒 */
.accordion-icon::before {
  top: 7px;
  left: 1px;
  width: 14px;
  height: 2px;
}

/* 縦棒 */
.accordion-icon::after {
  top: 1px;
  left: 7px;
  width: 2px;
  height: 14px;
}

/* 開いた時に縦棒を回転させてマイナスにする */
.accordion-item[open] .accordion-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.accordion-content {
  padding: 1.25rem 1.5rem 1.75rem;
  border-top: 1px solid var(--color-border);
  background-color: var(--color-bg-white);
}

.past-heading {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.25rem 0 0.5rem 0;
  padding-bottom: 0.25rem;
  border-bottom: 1px dashed var(--color-border);
}

.past-heading:first-child {
  margin-top: 0;
}

.past-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem 1rem;
}

@media (min-width: 600px) {
  .past-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.past-list li {
  font-size: 0.8125rem;
  color: var(--color-text-main);
  line-height: 1.6;
  padding-left: 0.9rem;
  position: relative;
}

.past-list li::before {
  content: "•";
  color: var(--color-text-sub);
  position: absolute;
  left: 0;
  top: 0;
  font-size: 0.8rem;
}

/* ======================================= */
/* ボタンCTA 下層ページ用
/* ======================================= */
.btn-primary.slide {
  background: var(--color-accent);
  color: #ffffff; /* 通常時の文字色：深緑 */
  position: relative;
  z-index: 1; 
}

.btn-wrap{
  text-align: center;
}