/*===============================================
Mainvisual
===============================================*/
.sec-mainvisual {
  position: relative;
  padding-bottom: 30px;
}
.sec-mainvisual .area-mv .overlay {
  position: absolute;
  width: 750px;
  height: 150%;
  right: -100%;
  background: linear-gradient(to left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0) 24%, rgba(255, 255, 255, 0.4) 25%, rgba(255, 255, 255, 0.4) 45%, rgba(255, 255, 255, 0.9) 45%, rgba(255, 255, 255, 0.9) 85%, rgba(255, 255, 255, 0.7) 85%, rgba(255, 255, 255, 0.1) 100%);
  z-index: 2;
  transform: skew(-20deg, 0deg);
  pointer-events: none;
}
.sec-mainvisual .area-mv {
  position: relative;
  aspect-ratio: 750/980;
}
.sec-mainvisual .area-mv img {
  width: 100%;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
}
.sec-mainvisual .area-mv .front {
  z-index: 1;
}
.sec-mainvisual .area-intro {
  padding: 0 50px;
  margin-top: -105px;
  position: relative;
  z-index: 3;
}
.sec-mainvisual .area-intro p {
  margin-top: 20px;
  padding: 10px 18px;
  border: 2px solid #000;
  font-size: 19px;
  text-align: justify;
}

/*===============================================
Intro & Accordion
===============================================*/
.sec-intro {
  padding: 70px 50px 30px;
  background: url(../img/top/intro-bg.jpg) no-repeat center top / 100% auto;
}
.sec-intro hgroup h2 {
  width: 520px;
  margin-bottom: 30px;
}
.sec-intro hgroup p{
  width: 750px;
  margin-left: -50px;
}
.sec-intro .accordion-block {
  padding: 50px 40px 20px;
  margin-top: 20px;
  background: linear-gradient(#fdfae6 60%, #fffefa 100%);
  border-radius: 16px;
  font-size: 22px;
  text-align: justify;
  position: relative;
}
.sec-intro .accordion-block:before {
  content: "";
  width: 50px;
  aspect-ratio: 100/263;
  background: url(../img/top/intro-deco01.png) no-repeat center center / contain;
  position: absolute;
  top: -35px;
  left: 24px;
  pointer-events: none;
}
.sec-intro .accordion-block:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 70%;
  background: linear-gradient(transparent 20%, #fdfae6 60%, #fff 85%);
  z-index: 1;
}
.sec-intro .accordion-block h3 {
  padding-bottom: 10px;
  margin-bottom: 16px;
  color: #825a5a;
  border-bottom: 2px solid #825a5a;
  font-size: 28px;
  text-align: center;
}
.sec-intro .accordion-block ul {
  height: 90px;
  overflow: hidden;
}
.sec-intro .accordion-block li {
  text-indent: -0.5em;
  margin-left: 0.5em;
}
.sec-intro .accordion-block li + li {
  margin-top: 6px;
}
.sec-intro .accordion-btn {
  display: block;
  width: 200px;
  height: 46px;
  margin: 20px auto 0;
  background: url(../img/top/intro-btn-open.svg) no-repeat center center / contain;
  font-size: 0;
  color: transparent;
  position: relative;
  z-index: 2;
}
.sec-intro .accordion-block.is-opened:after {
  display: none;
}
.sec-intro .accordion-block.is-opened ul {
  height: auto;
}
.sec-intro .accordion-block.is-opened .accordion-btn {
  background: url(../img/top/intro-btn-close.svg) no-repeat center center / contain;
}
/*===============================================
Topics
===============================================*/
.sec-topics {
  margin: 0 15px 30px;
  padding: 64px 45px;
  background:
    url(../img/top/topics-bg-ribbon.svg) no-repeat left top / 215px auto,
    url(../img/top/topics-bg-top.svg) no-repeat center top / 100% auto,
    url(../img/top/topics-bg-bottom.svg) no-repeat center bottom / 100% auto,
    url(../img/top/topics-bg-sides.svg) repeat-y center top / 100% auto;
  text-align: center;
}
.sec-topics em {
  color: #fa3282;
  font-style: normal;
  font-weight: bold;
}
.sec-topics hgroup h2 {
  color: #05aab4;
  font-size: 28px;
}
.sec-topics hgroup figure img {
  display: block;
  width: 394px;
  margin: 20px auto 30px;
}
.sec-topics hgroup p img {
  width: 580px;
  margin-bottom: 32px;
}
.sec-topics dl {
  margin: 10px auto;
  padding-bottom: 32px;
  border-block: 3px solid #fa3282;
  background: #fff;
  font-size: 27px;
  font-weight: bold;
}
.sec-topics dl dt {
  width: fit-content;
  padding: 4px 30px;
  margin: auto;
  border-radius: 0 0 8px 8px;
  background: #fa3282;
  color: #fff;
}
.sec-topics dl dd p {
  margin: 10px auto;
  line-height: 1.6;
}
.sec-topics dl small {
  display: block;
  font-size: 22px;
}
.sec-topics ul {
  text-align: left;
}
.sec-topics ul a {
  text-indent: 0;
  display: inline-flex;
  gap: 4px;
  line-height: inherit;
}
.sec-topics ul a:after {
  content: "";
  display: inline-block;
  width: 14px;
  aspect-ratio: 14/17;
  background: url(../img/common/ico-triangle-right.svg) no-repeat center center / contain;
  vertical-align: middle;
}
.sec-topics li {
  text-indent: -1em;
  margin-left: 1em;
  line-height: 1.5;
}
.sec-topics li + li {
  margin-top: 6px;
}
/*===============================================
Annoucement
===============================================*/
.sec-annoucement {
  height: 836px;
  background: url(../img/top/annoucement-bg.jpg) no-repeat center top / 100% auto;
  position: relative;
}
.sec-annoucement a {
  position: absolute;
  left: 50%;
  bottom: 16%;
  transform: translateX(-50%);
  width: 214px;
}

/*===============================================
Attention
===============================================*/
.sec-attention {
  padding: 50px 40px 20px;
  margin: 55px 50px 0;
  background: linear-gradient(#fdfae6 60%, #fffefa 100%);
  border-radius: 16px;
  font-size: 22px;
  text-align: justify;
  position: relative;
}
.sec-attention:before {
  content: "";
  width: 50px;
  aspect-ratio: 100/263;
  background: url(../img/top/intro-deco01.png) no-repeat center center / contain;
  position: absolute;
  top: -35px;
  left: 24px;
  pointer-events: none;
}
.sec-attention h2 {
  padding-bottom: 10px;
  margin-bottom: 16px;
  color: #825a5a;
  border-bottom: 2px solid #825a5a;
  font-size: 28px;
  text-align: center;
}
.sec-attention li {
  text-indent: -0.5em;
  margin-left: 0.5em;
}
.sec-attention li + li {
  margin-top: 6px;
}
/*===============================================
Remarks
===============================================*/
.sec-remarks {
  padding: 50px;
  text-align: center;
}
.sec-remarks ul {
  margin-top: 30px;
  text-align: justify;
}
.sec-remarks li {
  text-indent: -1em;
  margin-left: 1em;
  line-height: 1.5;
}
.sec-remarks li + li {
  margin-top: 6px;
}