alt="" class="img_01"> alt="" class="img_01"> alt="" class="img_01"> alt="" class="img_01">＜CSS＞ * {
  margin: 0;
  padding: 0;
}


html, body {
	 background-image: url("images/kadai1/back_after.png");
    margin: 0;
    padding: 0;
    border-width: 0px;
}

.box {
	 position: relative;
}

hedder {
  margin: 0;
  padding: 0;

}
img {
    width: 100%;
    margin: 0;
    padding: 0;
    line-height: 0;
    border-width: 0px;
}

.mozi1 {
	  position: absolute;
    top: 160%;
    right: 80%;
    color: #F18F91;
    font-family: "MS Serif", "New York", serif;
}
	

}
.img_02 {
  width: 328px;
  height: 235px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: absolute;
  top: 20%;
  left: 6%;
}
.img_03 {
  width: 550px;
  height: 550px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: absolute;
  top: 122%;
  right: 55%;
  transform: rotate(17deg)
}
.img_04 {
  width: 290px;
  height: 350px;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: absolute;
  top: 191%;
  left: 23%;

	
}

}
.accordion__wrappre {
  position: relative;
  z-index: 0;
  display: block;
  width: 200px;
  box-sizing: border-box;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  position: absolute;
  top: 36.5%;
  left: 45%;
  color: #FFFFFF;
}
.accordion__wrappre::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
  box-sizing: border-box;
  border: solid 1px #000;
  color: #FFFFFF;
}
.accordion__wrappre::after {
  content: '';
  position: absolute;
  top: calc(50% - 20px);
  left: -12px;
  right: auto;
  width: 24px;
  height: 24px;
  color: #FFFFFF;
}
.accordion__box {
  margin: 0;
}
.accordion__title {
  position: relative;
  padding: 16px 56px 16px 20px;
  box-sizing: border-box;
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 16px;
  cursor: pointer;
  color: #FFFFFF;
}
#open:checked ~ .accordion__wrappre__wrappre .accordion__title {
  cursor: default;
  color: #FFFFFF;
}
.accordion__title::before {
  content: '';
  position: absolute;
  left: 16px;
  bottom: 0;
  width: 0;
  height: 1px;
  background: #000;
  transition: all ease-out .7s;
  color: #FFFFFF;
}
.accordion__title::after {
  content: '';
  position: absolute;
  right: 32px;
  bottom: -12px;
  width: 0;
  height: 12px;
  font-size: 10px;
  text-align: right;
  overflow: hidden;
  letter-spacing: 2px;
  transform-origin: top center;
  color: #FFFFFF;
}
.accordion__icon {
  position: absolute;
  z-index: 2;
  top: calc(50% - 12px);
  right: 32px;
  width: 24px;
  height: 24px;
  transition: all ease .7s;
  color: #FFFFFF;
}
.accordion__icon::before, .accordion__icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 80%;
  height: 3px;
  background: #000;
  transition: all ease .7s;
}
.accordion__icon::after {
  transform: rotate(90deg);
}
.accordion__text {
  position: relative;
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  margin-left: 16px;
  width: calc(100% - 16px);
  max-height: 0;
  box-sizing: border-box;
  padding: 0;
  overflow: hidden;
}
.accordion__text::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 16px;
  left: 0;
  width: 0;
  height: 0;
}
.accordion__close {
  position: absolute;
  z-index: 3;
  top: 0;
  bottom: 0;
  margin: auto 0;
  right: 20px;
  width: 0;
  height: 0;
  cursor: pointer;
  color: #FFFFFF;
  text-shadow: 0px 0px #FFFFFF;
}
.accordion:nth-child(2) .accordion__wrappre::after, .accordion:nth-child(2) .accordion__text::before {
  background: rgba(255, 86, 154, .8);
}
.accordion:nth-child(2) .accordion__title::after {
  color: rgba(255, 86, 154, 1);
}
.accordion--open, .accordion--close {
  display: none;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__icon {
  transform: rotate(180deg);
}
.accordion--open:checked ~ .accordion__wrappre .accordion__icon::after {
  transform: rotate(180deg);
}
.accordion--open:checked ~ .accordion__wrappre .accordion__close {
  width: 40px;
  height: 40px;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__title::before {
  animation: title_line 1s .6s ease-out;
  color: #FFFFFF;
}
.accordion--close:checked ~ .accordion__wrappre .accordion__title::before {
  animation: title_line_rev 1s ease-out;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__title::after {
  animation: subtitle .8s 1.5s ease-out;
}
.accordion--close:checked ~ .accordion__wrappre .accordion__title::after {
  animation: subtitle_rev .8s ease-out;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__text {
  animation: textbox 2s ease;
}
.accordion--close:checked ~ .accordion__wrappre .accordion__text {
  animation: textbox_rev 2s ease;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__text::before {
  animation: textbox_bg 2s ease;
}
.accordion--close:checked ~ .accordion__wrappre .accordion__text::before {
  animation: textbox_bg_rev 2s ease;
}
.accordion--open:checked ~ .accordion__wrappre::after {
  animation: simbol 2s ease;
}
.accordion--close:checked ~ .accordion__wrappre::after {
  animation: simbol_rev 2s ease;
}
.accordion--open:checked ~ .accordion__wrappre .accordion__title::before, .accordion--close:checked ~ .accordion__wrappre .accordion__title::before, .accordion--open:checked ~ .accordion__wrappre .accordion__title::after, .accordion--close:checked ~ .accordion__wrappre .accordion__title::after, .accordion--open:checked ~ .accordion__wrappre .accordion__text, .accordion--close:checked ~ .accordion__wrappre .accordion__text, .accordion--open:checked ~ .accordion__wrappre .accordion__text::before, .accordion--close:checked ~ .accordion__wrappre .accordion__text::before, .accordion--open:checked ~ .accordion__wrappre::after, .accordion--close:checked ~ .accordion__wrappre::after {
  animation-fill-mode: forwards;
  color: #FFFFFF;
}
@keyframes simbol {
  0% {
    top: calc(50% - 20px);
    left: -12px;
    right: auto;
    opacity: 1;
  }
  20% {
    top: calc(50% - 20px);
    left: -40px;
    right: auto;
    opacity: 0;
  }
  30% {
    top: 24px;
    right: 0;
    left: auto;
    opacity: 0;
  }
  70% {
    top: 24px;
    right: 24px;
    left: auto;
    opacity: 1;
  }
  100% {
    top: 24px;
    right: 24px;
    left: auto;
    opacity: 1;
  }
}
@keyframes simbol_rev {
  0% {
    top: 24px;
    right: 24px;
    left: auto;
    opacity: 1;
  }
  20% {
    top: 24px;
    right: 0;
    left: auto;
    opacity: 0;
  }
  30% {
    top: calc(50% - 20px);
    left: -40px;
    right: auto;
    opacity: 0;
  }
  50% {
    top: calc(50% - 20px);
    left: -40px;
    right: auto;
    opacity: 0;
  }
  100% {
    top: calc(50% - 20px);
    left: -12px;
    right: auto;
    opacity: 1;
  }
}
@keyframes title_line {
  0% {
    width: 0;
  }
  100% {
    width: calc(100% - 16px * 3);
    color: #FFFFFF;
  }
}
@keyframes title_line_rev {
  0% {
    width: calc(100% - 16px * 3);
  }
  100% {
    width: 0;
  }
}
@keyframes subtitle {
  0% {
    width: 0;
  }
  100% {
    width: 30%;
  }
}
@keyframes subtitle_rev {
  0% {
    width: 30%;
  }
  100% {
    width: 0;
  }
}
@keyframes textbox {
  0% {
    max-height: 0;
    padding: 0;
    color: transparent;
  }
  10% {
    max-height: 0;
    padding: 0;
    color: transparent;
  }
  40% {
    max-height: 200px;
    padding: 32px 24px 24px 16px;
    color: transparent;
  }
  80% {
    color: transparent;
  }
  100% {
    max-height: 200px;
    padding: 32px 24px 24px 16px;
    color: #000;
  }
}
@keyframes textbox_bg {
  0% {
    width: 0;
    height: 0;
  }
  30% {
    width: 0;
    height: 0;
  }
  70% {
    width: 100%;
    height: calc(100% - 16px);
  }
  100% {
    width: 100%;
    height: calc(100% - 16px);
  }
}
@keyframes textbox_rev {
  0% {
    max-height: 200px;
    padding: 32px 24px 24px 16px;
    color: #000;
  }
  20% {
    color: transparent;
  }
  50% {
    max-height: 200px;
    padding: 32px 24px 24px 16px;
    color: transparent;
  }
  80% {
    max-height: 0;
    padding: 0;
    color: transparent;
  }
  100% {
    max-height: 0;
    padding: 0;
    color: transparent;
  }
}
@keyframes textbox_bg_rev {
  0% {
    width: 100%;
    height: calc(100% - 16px);
  }
  30% {
    width: 100%;
    height: calc(100% - 16px);
  }
  70% {
    width: 0;
    height: 0;
  }
  100% {
    width: 0;
    height: 0;
  }
}
.header {
  margin: 0;
  padding: 0;
  height: auto;
}