@charset "utf-8";

/*-------------------------
.トップMV（全面写真 + サムネイル）
--------------------------*/
.mv {
  --mv-navy: #0f228b;
  --mv-navy-dark: #081457;
  --mv-yellow: #ffeb3b;
  --mv-fade: 1.6s;
  --mv-bottom-menu: 94px; /* スマホの固定ボトムメニュー（高さ90px + 上下の線） */

  position: relative;
  display: grid;
  grid-template-rows: 1fr;
  height: 100vh;
  height: 100svh;
  min-height: 600px;
  max-height: 1200px;
  overflow: hidden;
  background: var(--mv-navy-dark);
}

/* ---------- 写真 ---------- */
.mv__stage {
  position: relative;
  min-height: 0;
  overflow: hidden;
}

.mv__stage::after {
  content: "";
  position: absolute;
  inset: 45% 0 0;
  z-index: 1;
  background: linear-gradient(to top, rgba(0, 0, 0, .68), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.mv__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--mv-fade) ease;
}

.mv__slide.is-active {
  opacity: 1;
}

.mv__slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--pos, 50% 50%);
}

.mv__slide.is-active img,
.mv__slide.is-leaving img {
  animation: mvZoom 9s linear both;
}

.mv.is-paused .mv__slide img {
  animation-play-state: paused;
}

@keyframes mvZoom {
  from { transform: scale(1); }
  to { transform: scale(1.07); }
}

/* ---------- コピー ---------- */
.mv__copy {
  position: absolute;
  left: 72px; /* 固定SNSアイコンの逃げ */
  bottom: 40px;
  z-index: 2;
  max-width: 52%;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .45);
}

.mv__catch {
  font-size: clamp(30px, 3.4vw, 54px);
  font-weight: bold;
  line-height: 1.35;
  letter-spacing: .02em;
}

.mv__sub {
  margin-top: 10px;
  font-size: clamp(15px, 1.25vw, 19px);
  line-height: 1.6;
}

/* ---------- サムネイル ---------- */
.mv__controls {
  position: absolute;
  right: 24px;
  bottom: 40px;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.mv__thumbs {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.mv__thumb {
  position: relative;
  display: block;
  width: 96px;
  height: 66px;
  padding: 0;
  overflow: hidden;
  cursor: pointer;
  background: var(--mv-navy-dark);
  border: 2px solid rgba(255, 255, 255, .7);
  border-radius: 4px;
  transition: border-color .2s;
}

.mv__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--pos, 50% 50%);
}

.mv__thumb-label {
  position: absolute;
  inset: auto 0 0;
  padding: 1px 2px;
  font-size: 10px;
  font-weight: bold;
  line-height: 1.5;
  color: #fff;
  text-align: center;
  background: rgba(0, 0, 0, .62);
}

.mv__thumb:hover {
  border-color: #fff;
}

.mv__thumb[aria-current="true"] {
  border-color: var(--mv-yellow);
}

.mv__toggle {
  position: relative;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0;
  cursor: pointer;
  background: rgba(0, 0, 0, .6);
  border: 2px solid rgba(255, 255, 255, .7);
  border-radius: 50%;
}

/* 停止アイコン */
.mv__toggle::before {
  content: "";
  position: absolute;
  inset: 12px 13px;
  border-inline: 4px solid #fff;
}

/* 再生アイコン */
.mv__toggle[aria-pressed="true"]::before {
  inset: 11px 11px 11px 15px;
  background: #fff;
  border: 0;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

.mv a:focus-visible,
.mv button:focus-visible {
  outline: 3px solid var(--mv-yellow);
  outline-offset: 2px;
  box-shadow: 0 0 0 5px var(--mv-navy);
}

/* ---------- 1024px以下：サムネイルを写真の下へ ---------- */
@media screen and (max-width: 1024px) {
  .mv {
    max-height: none;
  }

  .mv__copy {
    bottom: 104px;
    max-width: calc(100% - 96px);
  }

  .mv__controls {
    right: 12px;
    bottom: 16px;
    left: 52px; /* 固定SNSアイコンの逃げ */
  }

  .mv__thumbs {
    flex: 1;
    min-width: 0;
  }

  .mv__thumbs li {
    flex: 1;
    min-width: 0;
  }

  .mv__thumb {
    width: 100%;
  }
}

/* ---------- スマホ ---------- */
@media screen and (max-width: 768px) {
  .mv {
    grid-template-rows: 72px minmax(0, 1fr) auto;
    height: calc(100vh - var(--mv-bottom-menu));
    height: calc(100svh - var(--mv-bottom-menu) - env(safe-area-inset-bottom, 0px));
    min-height: 480px;
    background: #fff;
  }

  .mv__slide img {
    object-position: var(--pos-sp, 50% 50%);
  }

  .mv__copy {
    left: 16px;
    right: 16px;
    bottom: 16px;
    max-width: none;
  }

  .mv__catch {
    font-size: clamp(25px, 7.4vw, 34px);
  }

  .mv__sub {
    margin-top: 6px;
    font-size: 16px;
  }

  .mv__controls {
    position: static;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: #fff;
  }

  .mv__thumbs {
    gap: 4px;
  }

  /* viewport.js で幅500px固定に縮小されるため、実寸44px相当で確保 */
  .mv__thumb {
    height: 60px;
    border-color: #ccc;
  }

  .mv__thumb[aria-current="true"] {
    border-color: var(--mv-navy);
    box-shadow: 0 0 0 1px var(--mv-navy);
  }

  .mv__thumb-label {
    display: none;
  }

  .mv__toggle {
    width: 56px;
    height: 56px;
    background: var(--mv-navy);
    border-color: var(--mv-navy);
  }

  .mv__toggle::before {
    inset: 17px 18px;
  }

  .mv__toggle[aria-pressed="true"]::before {
    inset: 16px 15px 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mv__slide {
    transition: none;
  }

  .mv__slide.is-active img,
  .mv__slide.is-leaving img {
    animation: none;
  }
}