/* ==========================================================================
   Infinite Loop Slider & Video Modal
   ========================================================================== */

:root {
  --modal-bg: rgba(0, 0, 0, 0.9);
  --modal-accent: #c5a059;
  --transition-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

/* --- Visual Loop Slider --- */
.c-visual-loop {
  overflow: hidden;
  background: #fdfcf9;
  padding: 40px 0; /* モバイル基準 */
}

.c-visual-loop__container {
  display: flex;
  overflow: hidden;
  margin-bottom: 2rem;
}

.c-visual-loop__track {
  display: flex;
  flex-wrap: nowrap;
  will-change: transform;
}

.c-visual-loop__item {
  flex: 0 0 200px; /* モバイル基準 */
  padding: 0 10px;
  cursor: pointer;
  transition: opacity 0.4s var(--transition-smooth);
}

.c-visual-loop__item:hover {
  opacity: 0.8;
}

.c-visual-loop__item-inner {
  position: relative;
  aspect-ratio: 9 / 16;
  overflow: hidden;
  border-radius: 4px;
  background: #eee;
}

.c-visual-loop__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transition-smooth);
}

.c-visual-loop__item:hover img {
  transform: scale(1.05);
}

.c-visual-loop__play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.c-visual-loop__play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 0 8px 14px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

/* 769px以上で上書き */
@media (min-width: 769px) {
  .c-visual-loop {
    padding: 0;
  }
  .c-visual-loop__item {
    flex: 0 0 280px;
  }
}

/* --- Video Modal --- */
.c-video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.5s var(--transition-smooth), visibility 0.5s;
}

.c-video-modal.is-active {
  visibility: visible;
  opacity: 1;
}

.c-video-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-bg);
  backdrop-filter: blur(8px);
}

.c-video-modal__container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px; /* モバイル基準 */
}

.c-video-modal__content {
  display: flex;
  flex-direction: column; /* モバイル基準 */
  justify-content: center;
  align-items: center;
  width: 100%; /* モバイル基準 */
  height: 100%;
  max-height: 80vh;
  gap: 20px 0; /* モバイル基準 */
  z-index: 2;
}

.c-video-modal__main {
  height: 100%;
  flex-shrink: 0;
}

.c-video-modal__video-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.c-video-modal__video {
  position: relative;
  margin: auto;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 16;
  border-radius: 12px;
}

.c-video-modal__side {
  display: none;
  overflow-y: hidden;
  flex: none;
  width: 100%; /* モバイル基準 */
}

.c-video-modal__list {
  display: flex;
  flex-direction: row; /* モバイル基準 */
  gap: 10px;
  list-style: none;
  padding: 0 0 10px 0;
  margin: 0;
  overflow-x: auto; /* モバイル基準 */
}

.c-video-modal__thumb {
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s;
  overflow: hidden;
  aspect-ratio: 9 / 16;
  flex: 0 0 120px; /* モバイル基準 */
}

.c-video-modal__thumb.is-active {
  border-color: var(--modal-accent);
}

.c-video-modal__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.c-video-modal__close {
  position: absolute;
  top: 20px; /* モバイル基準 */
  right: 20px; /* モバイル基準 */
  background: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff;
  padding: 10px 20px;
  font-size: 12px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: background 0.3s;
  z-index: 10;
}

.c-video-modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* 769px以上で上書き */
@media (min-width: 769px) {
  .c-video-modal__container {
    padding: 40px;
  }
  .c-video-modal__content {
    flex-direction: row;
    width: 96%;
    max-width: 1200px;
    height: 80vh;
    gap: 0 60px;
  }
  .c-video-modal__video {
    height: 100%;
  }
  .c-video-modal__side {
    display: block;
    width: auto;
  }
  .c-video-modal__list {
    overflow-x: hidden;
    margin-bottom: 2rem;
    padding-bottom: 0;
    
  }
  .c-video-modal__thumb {
    max-width: 90px;
    border-radius: 5px;
    flex: 1;
  }
  .c-video-modal__close {
    top: 40px;
    right: 40px;
  }
}