@charset "UTF-8";
/*$content-color: #bd342c;*/
/* $content-color: #478dc3; */
/* $d-mark-back: #478dc3; */
/* $d-mark-sub: #e5eff7;  */
/* $sub-color: #19BDB4; */
/* $sub-shadow: #2f8f89; */
/* $highlit-back: #e5f7f6; */
* {
  box-sizing: border-box;
}

html {
  height: 100vh;
  -webkit-text-size-adjust: 100%;
}

.base-font-color {
  color: #405050;
}

body {
  margin: 0;
  font-family: "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
  color: #405050;
}

.ng_physics header {
  position: fixed;
  color: #00a0e9;
  background-color: white;
  box-shadow: 0 0 3px #000;
  height: 60px;
  width: 100%;
  text-align: center;
  z-index: 1;
  font-size: 1rem;
  display: flex;
  flex-direction: row;
  justify-content: center;
  font-family: "PT Serif", serif;
  letter-spacing: 0.1rem;
  /* 		.header-wrapper {
  	width: 100%;
  	display: flex;
  	flex-direction: row;
  	justify-content: flex-start;
  	.series-title {
  		padding: 0.25rem;
  		text-align: justify;
  		display: flex;
  		flex-direction: column;
  		img {
  			width: 7.5rem;
  		}
  	}
  	.subject {
  		display: flex;
  		flex-direction: column-reverse;
  		padding-bottom: 0.58rem;
  		img {
  			width: 7.5rem;
  		}
  	}

  	@include sp {
  		padding-left: 5px;
  		padding-right: 5px;
  		max-width: 800px;
  	}
  	@include pc {
  		padding-left: 0;
  		padding-right: 0;
  		max-width: 1200px;
  	}
  } */
}
@media (min-width: 0px) {
  .ng_physics header {
    font-size: 1rem;
  }
}
@media (min-width: 1200px) {
  .ng_physics header {
    font-size: 1rem;
  }
}
.ng_physics header .header-wrapper {
  width: 100%;
  display: flex;
  flex-direction: row;
  padding-bottom: 0.75rem;
}
.ng_physics header .header-wrapper .series-title {
  text-align: justify;
  display: flex;
  flex-direction: column;
  justify-content: end;
  margin-right: 0.5rem;
}
.ng_physics header .header-wrapper .series-title img {
  /* 					width: 7.5rem; */
  height: 2.5rem;
}
.ng_physics header .header-wrapper .subject {
  display: flex;
  flex-direction: column;
  justify-content: end;
}
.ng_physics header .header-wrapper .subject img {
  /* 					width: 7.5rem; */
  height: 1.8rem;
}
@media (min-width: 0px) {
  .ng_physics header .header-wrapper {
    padding-left: 5px;
    padding-right: 5px;
    max-width: 800px;
  }
}
@media (min-width: 1200px) {
  .ng_physics header .header-wrapper {
    padding-left: 0;
    padding-right: 0;
    max-width: 1200px;
  }
}

.header-img-wrapper {
  height: 100%;
  /* 	padding: 5px 10px; */
  background-color: white;
  border-radius: 20px;
  margin-right: 1em;
}
.header-img-wrapper img {
  height: 100%;
}

.ng_physics .book-title {
  line-height: 40px;
  color: #478dc3;
}

.small-book {
  font-size: small;
}

.subtitle {
  position: fixed;
  margin-top: 50px;
  background-color: lightgray;
  height: 30px;
  width: 100%;
  line-height: 30px;
  font-weight: bold;
  text-align: center;
  z-index: 1;
}

h2 {
  text-align: center;
}

article {
  position: absolute;
  display: flex;
  position: relative;
  flex-flow: column;
  padding-top: 95px;
  padding-bottom: 25px;
  width: 100%;
  margin: auto;
  padding-left: 0;
  padding-right: 0;
}
@media (min-width: 0px) {
  article {
    max-width: 800px;
  }
}
@media (min-width: 1200px) {
  article {
    max-width: 1200px;
  }
}

.subtitle + article {
  padding-top: 105px;
}

footer {
  text-align: center;
  width: 100%;
}
@media (min-width: 0px) {
  footer {
    width: 100%;
    font-size: 0.6rem;
  }
}
footer .copy {
  margin-bottom: 1rem;
}
footer .footer-logo {
  width: 100px;
}

.wrapper {
  width: 100%;
  height: 100%;
  position: absolute;
}

.explanation {
  margin-bottom: 1rem;
  line-height: 1.75em;
}

.ng_physics .terms {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.ng_physics .terms .terms-check {
  display: none;
}
.ng_physics .terms .terms-button {
  background-color: white;
  color: #656565;
  border: 1px solid #656565;
  /* 			background-color: $terms-color;
  color: white; */
  padding: 0.25rem;
  border-radius: 0.25rem;
  width: 9rem;
  text-align: center;
  cursor: pointer;
  transition: 0.5s;
}
.ng_physics .terms .text-wrapper {
  margin-top: 0.25rem;
  font-size: small;
  height: 0;
  transition: 0.5s;
  overflow-y: scroll;
  padding: 0.25rem;
  margin-bottom: 1rem;
  visibility: hidden;
}
.ng_physics .terms .terms-check:checked + .terms-button {
  background-color: #656565;
  color: white;
}
@media (min-width: 0px) {
  .ng_physics .terms .terms-check:checked + .terms-button + .text-wrapper {
    height: 15rem;
    background-color: #efefef;
    visibility: visible;
  }
}
@media (min-width: 1200px) {
  .ng_physics .terms .terms-check:checked + .terms-button + .text-wrapper {
    height: 9rem;
    background-color: #efefef;
    visibility: visible;
  }
}

.none-deco {
  text-decoration: none;
}

.formula {
  background-color: #bd2c6d;
  padding: 0.25rem 1rem;
  border-radius: 0.25rem;
  color: white !important;
  text-align: center;
  width: 9rem;
  margin-bottom: 0.5rem;
  border-bottom: 3px solid #7f1e49;
}
.formula:active {
  border-bottom: none;
  border-top: 3px solid transparent;
}

.highlight-content {
  background-color: #fbedf3;
  padding: 1rem;
  letter-spacing: 0.1rem;
}

.content-header {
  text-align: center;
  position: relative;
  cursor: pointer;
}
.content-header .acc-icon {
  position: absolute;
  right: 1rem;
  transition: 0.5s;
}
.content-header .acc-icon.isActive {
  transform: rotateX(180deg);
}

.contents-wrapper {
  display: flex;
  flex-wrap: wrap;
  padding-top: 1rem;
  flex-direction: column;
  padding-left: 5px;
  padding-right: 5px;
  transition: 0.5s;
  max-height: 0;
  overflow: hidden;
  flex-wrap: nowrap;
}
.contents-wrapper.isActive {
  max-height: 4000px;
  background-color: #f7ecee;
  margin-bottom: 1rem;
}
.contents-wrapper .content-block {
  width: 100%;
}
@media (min-width: 1200px) {
  .contents-wrapper .content-block {
    padding: 0 0.5rem;
  }
}

.d-mark-header {
  padding: 0.5rem 1rem;
  letter-spacing: 0.1rem;
  color: white;
  /* 	color: $content-color; */
  background-color: #bd342c;
  border: solid #bd342c 3px;
  /* 	color: $d-mark-back;
  border: solid $d-mark-back 3px; */
  margin-bottom: 0;
}

.content-block {
  margin-bottom: 1rem;
}

.flex-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.content-list {
  pointer-events: none;
  /* 	border-bottom: 1px solid $border-color; */
}

.content-title {
  display: flex;
  position: relative;
  align-items: center;
  font-weight: bold;
  font-size: 1rem;
  padding: 0.5rem;
  transition: 0.5s;
  font-size: 1.1rem;
  padding-left: 1rem;
  border-radius: 5px;
  border: 1px solid #bd342c;
  cursor: pointer;
  background-color: white;
  color: #bd342c;
}
.content-title .title {
  flex-grow: 1;
}
.content-title .acc-icon {
  flex-grow: 0;
  margin-right: 0.5rem;
  line-height: 1.3rem;
  transition: 0.5s;
  color: #bd342c;
}
.content-title .acc-icon i {
  vertical-align: bottom;
}

.content-check:checked + .content-title {
  color: white;
  background-color: #bd342c;
  /* 	border-radius: 5px; */
}

.content-check:checked + .content-title .acc-icon {
  transform: rotateX(180deg);
  color: white;
}

.subtitle + article .content-title {
  padding-top: 105px !important;
  margin-top: -105px !important;
}

.ng_physics .select-radio ~ .selected-mark {
  color: #478dc3;
}

.content-item {
  display: flex;
  flex-flow: row;
  height: 3rem;
  overflow: hidden;
  font-size: 0.8em;
  pointer-events: initial;
  background-color: white;
  align-items: center;
  cursor: pointer;
}
.content-item:hover {
  background-color: #efefef !important;
}
.content-item:hover * {
  background-color: #efefef !important;
}

/* .content-check:checked + .content-title + .items .content-item {
	height: 3rem;
} */
.content-item-anchor {
  visibility: hidden;
  width: 0;
  height: 0;
  padding-top: 60px;
  margin-top: -60px;
}

/* .content-simulation .icon span {
	font-size: 10px;
	letter-spacing: -3px;
}

.content-link .icon span {
	font-size: 10px;
	letter-spacing: -1px;
} */
.subtitle + article .content-item-anchor {
  padding-top: 105px !important;
  margin-top: -105px !important;
}

.items {
  transition: 0.5s;
  overflow: hidden;
  padding: 0 5px 5px 5px;
  margin: 0 5px;
  border-radius: 0 0 5px 5px;
  /* 	@include pc {
  	height: auto;
  	max-height: none;
  	background-color: $border-color;
  	margin-top: 0px;
  } */
}
@media (min-width: 0px) {
  .items {
    max-height: 0;
    background-color: white;
    margin-top: -5px;
  }
}

.content-check:checked + .content-title + .items {
  max-height: 4000px;
  background-color: #efefef;
  margin-top: 0px;
}

.item-wrapper {
  border-bottom: 1px solid #bd342c;
}
.item-wrapper:last-child {
  border-bottom: none;
}

.icon {
  color: #bd342c;
  width: 2rem;
  font-size: 1rem;
}

.ng_physics .page {
  width: calc(3.5rem * 1.25);
  flex-shrink: 0;
  flex-grow: 0;
  font-weight: bold;
  background-color: white;
  color: #bd342c;
  text-align: left;
  display: flex;
  flex-direction: column;
  padding-top: 0.5em;
  padding-bottom: 0.5em;
  /* 		* {
  	margin: auto;
  } */
  padding-left: 0.5rem;
  overflow: hidden;
  font-size: xx-small;
}
.ng_physics .page .text-icon {
  font-weight: bold;
  background-color: white;
  padding: 0em 0.5em;
  border-radius: 1em;
}
.ng_physics .page .page-num::before {
  content: "p.";
  display: inline;
  position: relative;
}
.ng_physics .page .page-num-range::before {
  content: "p.";
  display: inline;
  position: relative;
}

.item-title {
  flex-grow: 1;
  background-color: white;
  padding-left: 1rem;
  padding-right: 1rem;
}
.item-title .title-wrapper {
  display: table-cell;
  vertical-align: middle;
}
@media (min-width: 0px) {
  .item-title {
    font-size: 0.7rem;
  }
}
@media (min-width: 768px) {
  .item-title {
    font-size: 0.9rem;
  }
}
@media (min-width: 1200px) {
  .item-title {
    font-size: 1rem;
  }
}

/*-- 公開予定動画 --*/
.coming-item {
  background-color: #efefef;
  cursor: default;
}

.coming-item-title {
  background-color: #efefef !important;
}

/*-------------------*/
.button-area {
  display: flex;
  flex-direction: column;
}

.ng_physics .pdf-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #333333;
  background-color: #e0386a;
  text-decoration: none;
  padding: 0.25rem;
  border: 2px solid #333333;
  border-radius: 0.5rem;
  margin: auto;
  font-weight: bold;
  letter-spacing: -2px;
}
.ng_physics .pdf-button i {
  font-size: 20px;
  font-style: italic;
  margin-left: -6px;
}

ruby[data-ruby] {
  position: relative;
  white-space: nowrap;
}

ruby[data-ruby]::before {
  content: attr(data-ruby);
  position: absolute;
  line-height: 100%;
  text-align: center;
  left: -3em;
  right: -3em;
  transform-origin: bottom center;
  /* ルビの文字サイズを親文字に対する比率で指定 */
  transform: scale(0.5);
  /* 100%を越える部分が親文字とルビとのスペースになる。単位は親文字に対する比率 */
  bottom: 105%;
  /* デバッグ用 */
  /* 	background-color: rgba(255, 0, 0, 0.2); */
}

ruby[data-ruby] rt {
  display: none;
}

.list-item {
  transition: all 0.5s;
}

.list-enter,
.list-leave-to {
  opacity: 0;
  transform: translateY(30px);
}

.list-leave-active {
  position: absolute;
}

.item-list-item {
  transition: all 0.5s;
}

.item-list-enter,
.item-list-leave-to {
  opacity: 0;
  transform: translateX(30px);
}

.item-list-leave-active {
  position: absolute;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.5s;
}

.fade-enter,
.fade-leave-to {
  opacity: 0;
}

.filter-check:checked + .filter-btn {
  background-color: #fef9fa;
  color: white;
}

.filter-open:checked + .filter-btn {
  background-color: #fef9fa;
  color: white;
  border-color: white;
}

.filter-area {
  position: relative;
}

.filter-openner {
  position: absolute;
  top: -1.5rem;
  right: 0;
  border: 2px solid #fef9fa;
}

.filter-btn {
  padding: 0.25rem 1rem;
  text-align: center;
  border: 1px solid #fef9fa;
  color: #fef9fa;
  border-radius: 1.5rem;
  display: block;
  margin: 0.5rem;
  background-color: white;
  cursor: pointer;
  transition: 0.5s;
}

.filter-btn-small {
  width: 2rem;
  height: 2rem;
  border-radius: 1rem;
  line-height: 2rem;
  padding: 0;
}

.filter-area {
  background-color: #efefef;
  padding: 0.5rem;
  width: 100%;
}
.filter-area .filter-block {
  display: flex;
  flex-flow: row;
  flex-wrap: wrap;
  transition: all 0.5s;
}
.filter-area .text-filter {
  width: 20rem;
  height: 2rem;
  outline: 0;
  border: none;
  border-radius: 1rem;
  padding: 0 1rem;
  transition: 0.5s;
}
.filter-area .text-filter:focus {
  border-color: #fef9fa;
}
.filter-area .filter-check,
.filter-area .filter-open {
  display: none;
}
@media (min-width: 0px) {
  .filter-area {
    /* 		display: none; */
    display: block;
  }
}
@media (min-width: 1200px) {
  .filter-area {
    display: block;
  }
}

.filter-block-wrapper {
  display: flex;
  flex-flow: column;
  overflow: hidden;
  height: 0;
  transition: all 0.5s;
}

.filter-open:checked + .filter-btn + .filter-block-wrapper {
  overflow-y: scroll;
  -ms-overflow-style: none;
  /* IE, Edge 対応 */
  scrollbar-width: none;
  /* Firefox 対応 */
}
@media (min-width: 0px) {
  .filter-open:checked + .filter-btn + .filter-block-wrapper {
    /* 		display: none; */
    height: 12rem;
  }
}
@media (min-width: 1200px) {
  .filter-open:checked + .filter-btn + .filter-block-wrapper {
    height: 6rem;
  }
}

.filter-open:checked + .filter-btn + .filter-block-wrapper::-webkit-scrollbar {
  display: none;
}

#MathJax_Message {
  display: none;
}

.search-area {
  text-align: center;
  padding-right: 1rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

.notes {
  font-size: 0.8rem;
  padding: 0.25rem;
}

/*注意書き*/
.caution_txt {
  color: #ff0000;
  font-size: 2rem;
  font-weight: bolder;
}/*# sourceMappingURL=common.css.map */