@charset "UTF-8";

/* ------------------------------------------------
  SP
------------------------------------------------ */
.main-area.topics-list .sp_only {
  display: block;
}

.main-area.topics-list .pc_only {
  display: none;
}

/* ===========### common ###=========== */
.main-area.topics-list {
  background-color: #FAF0E6;
  position: relative;
}

.main-area.topics-list::before {
  pointer-events: none;
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  aspect-ratio: 375/541;
  background: url(../img/bg__sp.png) top/100% no-repeat;
  /* mix-blend-mode: lighten; */
}

.main-area.topics-list .block-topics {
  margin: 0 auto;
  padding-bottom: calc(66* (100vw /375));
  width: calc(335* (100vw /375));
}

.main-area.topics-list p,
.main-area.topics-list h2 {
  color: #250D00;
}

/* ===========### pager ###=========== */
.main-area.topics-list .panel-footer .pagination {
  position: relative;
  margin: 0 auto;
	font-size: calc(14* (100vw /375));
}

.main-area.topics-list .panel-footer .pagination .prev,
.main-area.topics-list .panel-footer .pagination .next {
  margin: calc(3* (100vw /375)) 0 0;
  width: calc(29.8* (100vw /375));
  height: calc(12.6* (100vw /375));
}

.main-area.topics-list .panel-footer .prev a:hover,
.main-area.topics-list .panel-footer .next a:hover {
  opacity: .5;
}

.pagination .disabled {
	visibility: visible;
}

.main-area.topics-list .panel-footer {
  text-align: center;
  font-size: 0;
  letter-spacing: 0;
  display: inline-block;
  vertical-align: middle;
  width: 100%;
}

.main-area.topics-list .panel-footer .page {
  display: inline-block;
  font-size: calc(16* (100vw /375));
  line-height: 1;
  letter-spacing: 0;
  margin: 0 calc(5* (100vw /375));
}

.main-area.topics-list .panel-footer .page a {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  transition: opacity .3s;
  width: calc(32* (100vw /375));
  height: calc(32* (100vw /375));
  box-sizing: border-box;
  font-family: var(--font-en);
  color: #250D00;
}

.main-area.topics-list .panel-footer .page a:hover {
  opacity: .5;
}

.main-area.topics-list .panel-footer .page.active {
  font-weight: 400;
  position: relative;
}

.main-area.topics-list .panel-footer .page.active::before {
  content: '';
  display: block;
  position: absolute; 
  background-repeat: no-repeat; 
  background-size: contain;
  width: calc(32* (100vw /375));
  height: calc(32* (100vw /375));
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px solid #250D00;
}

/* ===========### section__ttl ###=========== */
.main-area.topics-list .block-topics .section__ttl {
  margin-bottom: calc(24* (100vw /375));
}

.main-area.topics-list .section__ttl {
  font-size: calc(50* (100vw /375));
  text-align: center;
  position: relative;
}

/* ===========### list-topics ###=========== */
.main-area.topics-list .block-topics .list-topics {
  margin: 0 auto calc(46* (100vw /375));
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px 0;
}

.main-area.topics-list .block-topics .list-topics li {
  display: inline-block;
  width: calc(162* (100vw /375));
  position: relative;
}

.main-area.topics-list .block-topics .list-topics li {
  display: block;
}

.main-area.topics-list .block-topics .list-topics li a {
  position: relative;
  z-index: 5;
}

.main-area.topics-list .block-topics .list-topics li .box-img {
  margin-bottom: calc(12* (100vw /375));
  width: 100%;
  position: relative;
  z-index: 2;
}

.main-area.topics-list .block-topics .list-topics li .box-img img {
  width: 100%;
  position: relative;
  z-index: 2;
}

.main-area.topics-list .block-topics .list-topics li .txt {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px 0;
}

.main-area.topics-list .block-topics .list-topics li .txt p {
  width: max-content;
  white-space: nowrap;
  text-align: left;
  font-family: var(--font-en);
  font-weight: 400;
  letter-spacing: 0;
}

.main-area.topics-list .block-topics .list-topics li .txt .date {
  font-size: calc(11* (100vw /375));
  line-height: 1;
  opacity: .6;
}

.main-area.topics-list .block-topics .list-topics li .txt .ttl {
  font-size: calc(14* (100vw /375));
  line-height: 1.4;
}



/* ===============================================### 
PC
###=============================================== */
@media screen and (min-width: 768px) {

  /* ===========### common ###=========== */
  .main-area.topics-list::before {
    aspect-ratio: 375/541;
    background: url(../img/bg__pc.png) top/100% no-repeat;
  }

  .main-area.topics-list .sp_only {
    display: none;
  }
  
  .main-area.topics-list .pc_only {
    display: block;
  }

  .main-area.topics-list .block-topics {
    margin: 0 auto;
    padding-bottom: 12rem;
    width: 101.6rem;
  }

  /* ===========### pager ###=========== */
  .main-area.topics-list .panel-footer .pagination {
    margin: 0 auto;
    width: 38rem;
    font-size: 1.4rem;
  }

  .main-area.topics-list .panel-footer .pagination .prev,
  .main-area.topics-list .panel-footer .pagination .next {
    margin: 0;
    width: 2.98rem;
    height: 1.26rem;
    top: 3px;
  }

  .main-area.topics-list .panel-footer .page {
    font-size: 1.6rem;
    margin: 0 7.5px;
  }

  .main-area.topics-list .panel-footer .page a {
    width: 3.2rem;
    height: 3.2rem;
  }

  .main-area.topics-list .panel-footer .page.active::before {
    width: 3.2rem;
    height: 3.2rem;
  }

  /* ===========### section__ttl ###=========== */
  .main-area.topics-list .block-topics .section__ttl {
    margin-bottom: 6.8rem;
  }

  .main-area.topics-list .section__ttl {
    font-size: 8rem;
  }

  /* ===========### list-topics ###=========== */
  .main-area.topics-list .block-topics .list-topics {
    margin: 0 auto 5.3rem;
    gap: 48px 0;
  }

  .main-area.topics-list .block-topics .list-topics li {
    width: 31.2rem;
  }

  .main-area.topics-list .block-topics .list-topics li::before {
    content: '';
    display: block;
    position: absolute;
    background-repeat: no-repeat;
    background-size: contain;
    z-index: 1;
    background-color: #FAF0E6;
    width: 100%;
    height: 31.2rem;
  }

  .main-area.topics-list .block-topics .list-topics li .box-img {
    margin-bottom: 1.9rem;
  }

  .main-area.topics-list .block-topics .list-topics li .txt {
    gap: 5px 0;
  }

  .main-area.topics-list .block-topics .list-topics li .txt .date {
    font-size: 1.2rem;
  }

  .main-area.topics-list .block-topics .list-topics li .txt .ttl {
    font-size: 1.6rem;
    line-height: 1.4;
  }
}


/* ===============================================### 
animation
###=============================================== */
.main-area.topics-list .block-topics .list-topics li.swiching .box-img {
  position: relative;
  display:block;
}

.main-area.topics-list .block-topics .list-topics li.swiching .box-img img:nth-of-type(2) {
  position: absolute;
  width: 100%;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  animation: switchingAnimation 6s 0s infinite;
  z-index: 5;
}

@keyframes switchingAnimation {
  0%, 10% {
    opacity: 1;
  }
  50% {
      opacity: 0;
  }
  90%, 100% {
      opacity: 1;
  }
}