.sp {
  display: none;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: YuMincho, "Hiragino Mincho ProN", serif;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
  color: inherit;
}

@media screen and (max-width: 768px) {
  .sp {
    display: block;
  }
  .pc {
    display: none;
  }
}
#channel .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
#channel .category-nav {
  background: #f8f9fa;
  padding: 40px 0;
}
#channel .category-nav__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}
#channel .category-nav__item {
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
#channel .category-nav__btn {
  display: inline-block;
  padding: 20px 35px;
  font-weight: 600;
  font-size: 18px;
  color: #FFFFFF;
  background: #65aadd;
  border-radius: 10px;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
#channel .category-nav__btn:hover {
  -webkit-transform: translateY(-3px);
          transform: translateY(-3px);
}
#channel .category-nav__btn:active {
  -webkit-transform: translateY(-1px);
          transform: translateY(-1px);
}
@media screen and (max-width: 768px) {
  #channel .category-nav {
    padding: 25px 0;
  }
  #channel .category-nav__list {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 12px;
  }
  #channel .category-nav__btn {
    padding: 12px 20px;
    font-size: 13px;
  }
}
#channel .main {
  padding: 60px 0;
  min-height: calc(100vh - 300px);
}
#channel .video-section {
  margin-bottom: 80px;
  scroll-margin-top: 80px;
}
#channel .video-section__title {
  font-size: 36px;
  font-weight: 700;
  color: #333;
  margin-bottom: 40px;
  padding-bottom: 15px;
  text-align: center;
  position: relative;
}
#channel .video-section__title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: -webkit-gradient(linear, left top, right top, from(#667eea), to(#764ba2));
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 2px;
}
#channel .video-section__subtitle {
  font-size: 22px;
  font-weight: 600;
  color: #555;
  margin: 40px 0 20px;
  padding-left: 12px;
  border-left: 4px solid #667eea;
  scroll-margin-top: 140px;
}
#channel .video-section__subtitle:first-of-type {
  margin-top: 30px;
}
@media screen and (max-width: 768px) {
  #channel .video-section {
    margin-bottom: 60px;
  }
  #channel .video-section__title {
    font-size: 28px;
    margin-bottom: 30px;
  }
  #channel .video-section__subtitle {
    font-size: 18px;
    margin: 30px 0 16px;
  }
}
#channel .video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
@media screen and (max-width: 768px) {
  #channel .video-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}
#channel .video-card {
  background: #FFFFFF;
  border-radius: 12px;
  overflow: hidden;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  cursor: pointer;
  -webkit-box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
          box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
#channel .video-card:hover {
  -webkit-transform: translateY(-8px);
          transform: translateY(-8px);
}
#channel .video-card__thumbnail {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  overflow: hidden;
  background: #e9ecef;
}
#channel .video-card__thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease;
}
#channel .video-card__thumbnail:hover img {
  -webkit-transform: scale(1.05);
          transform: scale(1.05);
}
#channel .video-card__play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: #65aadd;
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  color: #FFFFFF;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  pointer-events: none;
}
#channel .video-card__play-icon svg {
  width: 30px;
  height: 30px;
}
#channel .video-card:hover #channel .video-card__play-icon {
  background: #0f5a9f;
  -webkit-transform: translate(-50%, -50%) scale(1.1);
          transform: translate(-50%, -50%) scale(1.1);
}
#channel .video-card__content {
  padding: 20px;
}
#channel .video-card__title {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
#channel .video-card__description {
  font-size: 14px;
  color: #666;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
@media screen and (max-width: 768px) {
  #channel .video-card__play-icon {
    width: 50px;
    height: 50px;
  }
  #channel .video-card__play-icon svg {
    width: 25px;
    height: 25px;
  }
  #channel .video-card__content {
    padding: 15px;
  }
  #channel .video-card__title {
    font-size: 16px;
  }
  #channel .video-card__description {
    font-size: 13px;
  }
}
#channel .video-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
#channel .video-modal.is-active {
  opacity: 1;
  visibility: visible;
}
#channel .video-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  cursor: pointer;
}
#channel .video-modal__content {
  position: relative;
  width: 90%;
  max-width: 900px;
  z-index: 1;
  -webkit-transform: scale(0.9);
          transform: scale(0.9);
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease;
}
#channel .video-modal.is-active #channel .video-modal__content {
  -webkit-transform: scale(1);
          transform: scale(1);
}
#channel .video-modal__close {
  position: absolute;
  top: -50px;
  right: 0;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
#channel .video-modal__close svg {
  width: 32px;
  height: 32px;
}
#channel .video-modal__close:hover {
  -webkit-transform: rotate(90deg);
          transform: rotate(90deg);
}
#channel .video-modal__video-wrapper {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
}
#channel .video-modal__video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
@media screen and (max-width: 768px) {
  #channel .video-modal__content {
    width: 95%;
  }
  #channel .video-modal__close {
    top: -45px;
    right: 0;
    width: 35px;
    height: 35px;
  }
  #channel .video-modal__close svg {
    width: 28px;
    height: 28px;
  }
}/*# sourceMappingURL=channel.css.map */