/* =========================================================
   木津町区HP 汎用スライドサンプル
   このファイルはスライド専用ページだけで使用します。
   ========================================================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #263238;
  background: #f5f8fa;
  font-family: "メイリオ", Meiryo, sans-serif;
}

.page-header {
  padding: 22px 4%;
  color: #fff;
  background: #286b58;
  text-align: center;
}

.site-name {
  margin: 0 0 6px;
  font-size: 0.9rem;
}

.page-header h1 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.lead {
  margin: 8px 0 0;
  font-size: 0.95rem;
}

.page-main {
  width: min(1100px, 94%);
  margin: 28px auto 50px;
}

.slide-section,
.explanation {
  padding: 20px;
  margin-bottom: 24px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 14px;
}

.section-heading h2,
.explanation h2 {
  margin: 0;
  font-size: 1.25rem;
}

.direction-note {
  margin: 0;
  color: #286b58;
  font-size: 0.9rem;
  font-weight: bold;
}

/* スライド表示窓 */
.marquee {
  --card-width: 280px;
  --card-height: 210px;
  --gap: 16px;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  background: #eaf1ee;
  touch-action: pan-y;
}

.marquee-viewport {
  width: 100%;
  height: var(--card-height);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  gap: var(--gap);
  width: max-content;
  height: 100%;
  will-change: transform;
}

.slide-card {
  flex: 0 0 var(--card-width);
  width: var(--card-width);
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #d9e2dd;
  border-radius: 8px;
}

.slide-card button {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 0;
  color: inherit;
  text-align: left;
  background: transparent;
  border: 0;
  cursor: zoom-in;
}

/* スライド内の画像共通設定 */
.slide-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;  /* 写真全体を表示する */
  display: block;
}

.slide-card figcaption {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 7px 10px;
  font-size: 0.9rem;
  font-weight: bold;
}

/* 縦向き画面では、カードを縦に並べて下から上へ流します */
.marquee.is-vertical {
  --card-width: min(72vw, 300px);
  --card-height: 190px;
  width: min(100%, 380px);
  margin-inline: auto;
  touch-action: pan-x;
}

.marquee.is-vertical .marquee-viewport {
  height: min(58vh, 470px);
  min-height: 300px;
}

.marquee.is-vertical .marquee-track {
  flex-direction: column;
  width: 100%;
  height: max-content;
}

.marquee.is-vertical .slide-card {
  flex-basis: var(--card-height);
  width: 100%;
  height: var(--card-height);
}

.usage-note {
  margin: 12px 0 0;
  color: #58665f;
  font-size: 0.85rem;
  line-height: 1.6;
}

.slider-controls {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.control-button {
  padding: 8px 18px;
  color: #fff;
  background: #286b58;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
}

.control-button:hover {
  background: #1d5142;
}

.explanation ul {
  margin-bottom: 0;
  padding-left: 1.4em;
  line-height: 1.8;
}

/* 写真拡大画面 */
.lightbox[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  z-index: 9999;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(0, 0, 0, 0.88);
}

.lightbox-panel {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 48px;
  align-items: center;
  width: min(100%, 1000px);
  max-height: 95vh;
}

.lightbox-figure {
  margin: 0;
  text-align: center;
}

.lightbox-figure img {
  display: block;
  max-width: 100%;
  max-height: 78vh;
  margin: auto;
  object-fit: contain;
}

.lightbox-figure figcaption {
  padding: 10px 4px 2px;
  color: #fff;
  font-size: 1rem;
}

.lightbox-close,
.lightbox-arrow {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.lightbox-close {
  position: absolute;
  z-index: 2;
  top: -8px;
  right: 0;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  font-size: 1.8rem;
}

.lightbox-arrow {
  width: 40px;
  height: 54px;
  border-radius: 8px;
  font-size: 2.2rem;
}

.lightbox-count {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  color: #fff;
  text-align: center;
  font-size: 0.9rem;
}

/* タブレット */
@media (max-width: 960px) {
  .marquee {
    --card-width: 240px;
    --card-height: 185px;
  }
}

/* スマートフォン */
@media (max-width: 460px) {
  .page-header {
    padding: 18px 12px;
  }

  .page-main {
    width: 96%;
    margin-top: 16px;
  }

  .slide-section,
  .explanation {
    padding: 13px;
  }

  .marquee {
    --card-width: 210px;
    --card-height: 165px;
    --gap: 12px;
  }

  .marquee.is-vertical {
    --card-width: min(76vw, 280px);
    --card-height: 175px;
  }

  .lightbox {
    padding: 8px;
  }

  .lightbox-panel {
    grid-template-columns: 34px minmax(0, 1fr) 34px;
  }

  .lightbox-arrow {
    width: 30px;
    height: 46px;
  }

  .lightbox-figure img {
    max-height: 72vh;
  }
}

/* 動きを減らす設定をOSで選んでいる場合は自動再生を止めます */
@media (prefers-reduced-motion: reduce) {
  .marquee-track {
    scroll-behavior: auto;
  }
}