/* ============================================================
   page.css — 下層（詳細）ページ用
   ============================================================ */

/* ------------------------------------------------------------
   ページヒーロー
   ------------------------------------------------------------ */
.page-hero {
  position: relative;
  min-height: 62svh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + 60px) 0 clamp(40px, 7vw, 78px);
  overflow: hidden;
  isolation: isolate;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.06);
  filter: saturate(118%) brightness(0.6) contrast(108%);
  animation: heroDrift 18s ease-in-out infinite alternate;
}
@keyframes heroDrift {
  0%   { transform: scale(1.06) translate3d(0, 0, 0); }
  100% { transform: scale(1.16) translate3d(-2%, -2%, 0); }
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(8, 3, 5, 0.82) 0%, rgba(8, 3, 5, 0.32) 44%, rgba(8, 3, 5, 0.95) 100%),
    radial-gradient(60% 50% at 20% 100%, rgba(255, 45, 14, 0.4), transparent 70%);
}
.page-hero__inner { width: min(100% - var(--gut) * 2, var(--wrap)); margin-inline: auto; }
.page-hero__en {
  font-family: var(--font-num);
  font-size: clamp(11px, 1.5vw, 14px);
  letter-spacing: 0.4em;
  color: var(--c-spark);
  margin-bottom: 10px;
}
.page-hero__title {
  font-family: var(--font-brush);
  font-size: clamp(42px, 11vw, 118px);
  line-height: 1.02;
  letter-spacing: 0.04em;
  text-shadow: 0 6px 46px rgba(255, 45, 14, 0.6);
}
.page-hero__lead {
  margin-top: clamp(14px, 2.4vw, 22px);
  max-width: 46ch;
  font-size: clamp(14px, 1.8vw, 17px);
  line-height: 2;
  color: rgba(246, 239, 226, 0.92);
}

/* パンくず */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(246, 239, 226, 0.66);
}
.crumb a:hover { color: var(--c-spark); }
.crumb span::before { content: "/"; margin-right: 8px; opacity: 0.5; }

/* ------------------------------------------------------------
   本文セクション
   ------------------------------------------------------------ */
.page-body {
  position: relative;
  z-index: 2;
  background:
    linear-gradient(180deg, #0b0507 0%, #100609 100%);
}
.sec {
  padding: clamp(52px, 9vw, 108px) 0;
  position: relative;
}
.sec + .sec { border-top: 1px solid rgba(255, 212, 58, 0.14); }
.sec__inner { width: min(100% - var(--gut) * 2, var(--wrap)); margin-inline: auto; }

.prose p {
  font-size: clamp(14.5px, 1.7vw, 17px);
  line-height: 2.1;
  color: rgba(246, 239, 226, 0.92);
}
.prose p + p { margin-top: 1.3em; }
.prose .lead {
  font-family: var(--font-head);
  font-size: clamp(19px, 3vw, 30px);
  line-height: 1.72;
  letter-spacing: 0.04em;
  color: #fff;
  margin-bottom: 1em;
}
.prose strong {
  color: var(--c-spark);
  font-weight: 700;
}

/* 引用（テーマ解説などの強調） */
.quote {
  position: relative;
  margin: clamp(28px, 5vw, 48px) 0;
  padding: clamp(24px, 4vw, 38px) clamp(22px, 4vw, 44px);
  border-left: 4px solid var(--c-blaze);
  border-radius: 0 18px 18px 0;
  background: linear-gradient(100deg, rgba(255, 45, 14, 0.14), rgba(255, 212, 58, 0.05));
  font-family: var(--font-brush);
  font-size: clamp(20px, 3.6vw, 34px);
  line-height: 1.7;
  letter-spacing: 0.05em;
}

/* ------------------------------------------------------------
   カードグリッド
   ------------------------------------------------------------ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 274px), 1fr));
  gap: clamp(16px, 2.6vw, 28px);
}
.card {
  position: relative;
  padding: clamp(22px, 3.2vw, 32px);
  border: 1px solid rgba(255, 212, 58, 0.24);
  border-radius: 20px;
  background: linear-gradient(158deg, rgba(26, 9, 13, 0.9), rgba(48, 10, 8, 0.55));
  overflow: hidden;
  transition: transform 0.45s var(--e-blast), border-color 0.45s, box-shadow 0.45s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--c-spark);
  box-shadow: 0 22px 50px -22px rgba(255, 45, 14, 0.85);
}
.card__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--c-blaze-2);
}
.card__title {
  margin-top: 8px;
  font-family: var(--font-brush);
  font-size: clamp(22px, 3vw, 29px);
  line-height: 1.3;
  letter-spacing: 0.04em;
}
.card__text {
  margin-top: 10px;
  font-size: 13.8px;
  line-height: 1.95;
  color: rgba(246, 239, 226, 0.82);
}
.card__meta {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed rgba(246, 239, 226, 0.22);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-spark);
}
.card--img { padding: 0; }
.card--img img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: brightness(0.82) saturate(120%);
  transition: transform 0.7s var(--e-out), filter 0.5s;
}
.card--img:hover img { transform: scale(1.06); filter: brightness(1) saturate(140%); }
.card--img .card__pad { padding: clamp(18px, 2.6vw, 26px); }

/* ------------------------------------------------------------
   タイムテーブル
   ------------------------------------------------------------ */
.tt-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: clamp(22px, 3.4vw, 34px);
  flex-wrap: wrap;
}
.tt-tab {
  padding: 11px 24px;
  font-family: var(--font-head);
  font-size: 14.5px;
  letter-spacing: 0.12em;
  border: 1.5px solid rgba(246, 239, 226, 0.36);
  border-radius: 999px;
  transition: all 0.35s var(--e-out);
}
.tt-tab[aria-selected="true"] {
  color: #1a0405;
  background: linear-gradient(120deg, var(--c-spark), var(--c-blaze-2));
  border-color: transparent;
  box-shadow: 0 10px 26px -10px rgba(255, 150, 0, 0.9);
}
.tt-panel[hidden] { display: none; }

.tt {
  display: grid;
  gap: 10px;
}
.tt__row {
  display: grid;
  grid-template-columns: 116px 1fr auto;
  gap: clamp(10px, 2vw, 24px);
  align-items: center;
  padding: clamp(14px, 2.2vw, 20px) clamp(14px, 2.4vw, 24px);
  border: 1px solid rgba(246, 239, 226, 0.16);
  border-radius: 14px;
  background: rgba(20, 7, 10, 0.6);
  transition: border-color 0.35s, background 0.35s, transform 0.35s var(--e-blast);
}
.tt__row:hover {
  border-color: var(--c-spark);
  background: rgba(46, 10, 8, 0.72);
  transform: translateX(6px);
}
.tt__time {
  font-family: var(--font-num);
  font-size: clamp(17px, 2.4vw, 22px);
  letter-spacing: 0.06em;
  color: var(--c-spark);
}
.tt__name {
  font-family: var(--font-head);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.tt__note {
  font-size: 12.5px;
  color: rgba(246, 239, 226, 0.7);
  margin-top: 3px;
}
.tt__place {
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 212, 58, 0.42);
  color: var(--c-spark);
  white-space: nowrap;
}
@media (max-width: 640px) {
  .tt__row {
    grid-template-columns: 1fr auto;
    grid-template-areas: "time place" "name name";
    row-gap: 6px;
  }
  .tt__time { grid-area: time; }
  .tt__place { grid-area: place; }
  .tt__body { grid-area: name; }
}

/* ------------------------------------------------------------
   定義リスト（アクセス情報など）
   ------------------------------------------------------------ */
.dl {
  display: grid;
  grid-template-columns: minmax(120px, 190px) 1fr;
  border-top: 1px solid rgba(246, 239, 226, 0.18);
}
.dl > dt,
.dl > dd {
  padding: clamp(15px, 2.4vw, 22px) 4px;
  border-bottom: 1px solid rgba(246, 239, 226, 0.14);
}
.dl > dt {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.1em;
  color: var(--c-spark);
}
.dl > dd { font-size: 14.5px; line-height: 1.95; }
@media (max-width: 620px) {
  .dl { grid-template-columns: 1fr; }
  .dl > dt { border-bottom: 0; padding-bottom: 4px; }
}

/* ------------------------------------------------------------
   FAQ アコーディオン
   ------------------------------------------------------------ */
.faq { display: grid; gap: 12px; }
.faq__item {
  border: 1px solid rgba(246, 239, 226, 0.18);
  border-radius: 16px;
  background: rgba(20, 7, 10, 0.6);
  overflow: hidden;
  transition: border-color 0.35s;
}
.faq__item[open] { border-color: var(--c-spark); }
.faq__q {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 22px) clamp(16px, 2.6vw, 26px);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: clamp(15px, 2vw, 18px);
  font-weight: 700;
  letter-spacing: 0.04em;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::before {
  content: "Q";
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  font-family: var(--font-num);
  font-size: 15px;
  color: #1a0405;
  background: linear-gradient(140deg, var(--c-spark), var(--c-blaze-2));
  border-radius: 50%;
}
.faq__q::after {
  content: "＋";
  margin-left: auto;
  color: var(--c-spark);
  transition: transform 0.4s var(--e-blast);
}
.faq__item[open] .faq__q::after { transform: rotate(135deg); }
.faq__a {
  padding: 0 clamp(16px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px) calc(clamp(16px, 2.6vw, 26px) + 44px);
  font-size: 14.3px;
  line-height: 2;
  color: rgba(246, 239, 226, 0.86);
  animation: faqOpen 0.45s var(--e-out);
}
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

/* ------------------------------------------------------------
   注意書きリスト
   ------------------------------------------------------------ */
.notes {
  display: grid;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}
.notes li {
  position: relative;
  padding-left: 26px;
  font-size: 14px;
  line-height: 1.95;
  color: rgba(246, 239, 226, 0.86);
}
.notes li::before {
  content: "";
  position: absolute;
  left: 4px; top: 0.82em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-blaze);
  box-shadow: 0 0 10px 2px rgba(255, 45, 14, 0.7);
}

/* ------------------------------------------------------------
   マップ（校内マップの簡易図）
   ------------------------------------------------------------ */
.map {
  position: relative;
  margin-top: clamp(22px, 3.4vw, 34px);
  border: 1px solid rgba(255, 212, 58, 0.3);
  border-radius: 20px;
  overflow: hidden;
  background: #140609;
}
.map svg { display: block; width: 100%; height: auto; }

/* ------------------------------------------------------------
   ページ下部の次ページ導線
   ------------------------------------------------------------ */
.next-nav {
  padding: clamp(46px, 8vw, 92px) 0;
  background:
    radial-gradient(70% 100% at 50% 0%, rgba(255, 45, 14, 0.24), transparent 70%),
    #0b0507;
  border-top: 1px solid rgba(255, 212, 58, 0.2);
  text-align: center;
}
.next-nav__title {
  font-family: var(--font-brush);
  font-size: clamp(26px, 5.4vw, 52px);
  letter-spacing: 0.06em;
  margin-bottom: clamp(20px, 3.4vw, 32px);
}
.next-nav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ページ内アンカー用の余白確保 */
[id] { scroll-margin-top: calc(var(--header-h) + 22px); }