@charset "utf-8";
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body, html {
  margin: 0 auto;
  scroll-behavior: smooth;
  color: #362e2b;
  font-size: 14px;
  font-family: heisei-maru-gothic-std, sans-serif;
  font-style: normal;
  font-weight: 400;
  line-height: 1.5;
}
body {
  margin: 0 auto;
  padding: 0;
  box-shadow: 0 0 1em rgba(0, 0, 0, .25);
  width: 100%;
  max-width: 500px;
}
.background-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: url('./images/back.jpg');
  background-size: cover;
  background-position: center;
  z-index: -1;
}
.content {
  position: relative;
  z-index: 1;
  margin: 0;
  padding: 0;
  width: 100%;
  background: linear-gradient(rgba(255, 255, 255, 0) 0, #ffffff 1500px, rgba(255, 255, 255, .5) calc(100% - 500px), rgba(255, 255, 255, 0) 100%);
}
.fullscreenmenu {
  display: inline-block;
  vertical-align: middle;
  letter-spacing: normal;
  width: 100%;
}
nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 10;
  width: 100%;
  height: 100vh;
  opacity: 0;
  background: #ffffff;
  visibility: hidden;
  transition: .3s ease;
}
nav.active {
  right: 0;
  opacity: 1;
  -moz-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
  visibility: visible;
}
ul#navmenu {
  margin: 2em 0;
  padding: 2em 0;
  list-style-type: none;
}
ul#navmenu li {
  position: relative;
  display: inline;
  font-size: 1.25em;
  padding: 0;
}
ul#navmenu li:nth-of-type(1) {
  padding-left: 0;
}
ul#navmenu li:nth-of-type(1)::before {
  content: none;
}
ul#navmenu li:nth-of-type(4) {
  padding-right: 0;
}
ul#navmenu li a {
  text-decoration: none;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
  display: block;
  padding: 1em 0;
  transition: .3s ease;
  text-align: center;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
  font-weight: bold;
  position: relative;
}
ul#navmenu li a::before {
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  position: absolute;
  width: 100%;
  height: 2px;
  content: " ";
  bottom: 0;
  left: 0;
}
ul#navmenu li:nth-of-type(1) a:after {
  background: url(./images/wakaba.png) no-repeat 100% 100%;
  background-size: 100% auto;
  position: absolute;
  width: 40px;
  height: 50px;
  content: " ";
  bottom: 0;
  left: 0;
}
ul#navmenu li a:hover {
  background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
  -webkit-background-clip: text;
  color: transparent;
}
button {
  border: none;
  background: none;
  outline: none;
  cursor: pointer;
}
.menu, .menu span {
  display: inline-block;
  transition: .5s;
}
.menu {
  position: fixed;
  top: 14px;
  right: 50%;
  transform: translateX(+236px);
  z-index: 10;
  background: #e9f5fb;
  border: 1px solid #ffffff;
  box-shadow: inset 0 0 0 1px #29abdf;
  width: calc(50px + 1px);
  height: calc(50px + 1px);
  border-radius: 50%;
}
.menu::after {
  content: "MENU";
  position: absolute;
  bottom: 5px;
  left: 50%;
  transform: translateX(-50%);
  font-size: .75em;
  font-weight: bold;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
  font-family: "zen-kaku-gothic-new", sans-serif;
  font-weight: 900;
  font-style: normal;
}
.menu span {
  position: absolute;
  height: 2px;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  z-index: 10;
  width: 50%;
  left: 25%;
}
.menu span:nth-of-type(1) {
  top: 10px;
}
.menu span:nth-of-type(2) {
  top: 19px;
}
.menu span:nth-of-type(3) {
  bottom: 20px;
}
.menu.active span:nth-of-type(1) {
  -webkit-transform: translateY(8px) rotate(45deg);
  transform: translateY(8px) rotate(45deg);
}
.menu.active span:nth-of-type(2) {
  opacity: 0;
}
.menu.active span:nth-of-type(3) {
  -webkit-transform: translateY(-10px) rotate(-45deg);
  transform: translateY(-10px) rotate(-45deg);
}
header {
  margin: -1.5em 0 0;
  text-align: center;
}
header > h1 {
  width: 100%;
  margin: 0 auto;
  padding: 0 0 .5em;
}
header > h1 > img {
  width: 100%;
}
article {
  width: calc(100% - 2em);
  max-width: 500px;
  margin: 0 auto;
  padding: 1em 0 5em;
}
h2 {
  font-size: 1em;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  box-shadow: inset 0 0 0 1px #ffffff;
  border: 1px solid #29abdf;
  color: #ffffff;
  width: 100%;
  max-width: 250px;
  border-radius: 1.25em;
  padding: .35em .5em;
  margin: 0 auto 1em;
  text-align: center;
}
h3 {
  text-align: center;
  text-shadow: 0 0 3px #ffffff;
  margin-bottom: .75em;
  border-radius: 1em;
}
h3 > span {
  position: relative;
  padding-bottom: .25em;
}
h3 > span::after {
  position: absolute;
  width: 100%;
  height: 2px;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  content: " ";
  bottom: 0;
  left: 0;
}
#area_about .article_about {
  margin: 0;
  padding: 0;
  line-height: 1.5em;
}
#area_about .article_about > p {
  text-align: center;
}
#area_about .article_about > p:nth-of-type(1) {
  font-weight: bold;
  margin-bottom: 1em;
  font-size: 1.25em;
  color: #5cb98d;
}
#area_about .article_about > p:nth-of-type(2) {
  text-align: left;
}
#area_about .article_about > p:nth-of-type(4) {
  margin-bottom: 1em;
}
#area_app_inner {
  margin-top: 0;
}
#area_app_inner > p:nth-of-type(2) {
  margin-top: 1em;
  text-align: center;
}
#area_app_inner > p:nth-of-type(2) > span {
  position: relative;
}
#area_app_inner > p:nth-of-type(2) > span::before {
  position: absolute;
  top: 50%;
  transform: translateX(-50%);
  left: -1.25em;
  content: " ";
  width: 2em;
  height: 1px;
  background: #362e2b;
}
#area_app_inner > p:nth-of-type(2) > span::after {
  position: absolute;
  top: 50%;
  transform: translateX(-50%);
  right: -3.25em;
  content: " ";
  width: 2em;
  height: 1px;
  background: #362e2b;
}
#goalframe {
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  border-radius: 1em;
  margin: 1em auto;
  width: 100%;
  height: 190px;
  position: relative;
}
#goal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  background: #ffffff;
  text-align: left;
  margin: 0 auto;
  padding: 1em .25em;
  font-weight: bold;
  border-radius: 1em;
  width: calc(100% - 2px);
  height: calc(190px - 2px);
}
#goal li {
  list-style: none;
  margin: 0;
  padding: .25em 0 .25em 1em;
  position: relative;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
}
#goal li::before {
  position: absolute;
  left: 0;
  margin: 0;
}
#goal li:nth-of-type(1):before {
  content: "";
}
.number {
  font-weight: bold;
  margin: 0;
  padding: 0;
  letter-spacing: -.35em;
}
.number > div {
  display: inline-block;
  letter-spacing: normal;
  vertical-align: top;
}
.number > div:nth-of-type(1) {
  width: 25px;
  height: 25px;
  background: #29abdf;
  color: #ffffff;
  border-radius: 50%;
  margin: 0;
  text-align: center;
  line-height: 1.75em;
  font-family: "zen-kaku-gothic-new", sans-serif;
  font-weight: 900;
  font-style: normal;
}
.number > div:nth-of-type(2) {
  width: calc(100% - 30px);
  padding: .25em 0 0 .25em;
}
ul#appearance {
  letter-spacing: -.45em;
  margin: 3em 0;
  text-align: center;
}
ul#appearance > li {
  list-style: none;
  border: 1px solid #29abdf;
  width: calc(50% - .5em);
  background: #e9f5fb;
  letter-spacing: 0;
  font-weight: bold;
  display: inline-block;
  vertical-align: top;
}
ul#appearance > li > img {
  width: 100%;
}
ul#appearance > li:nth-of-type(1) {
  margin-right: .5em;
}
ul#appearance > li:nth-of-type(2) {
  margin-left: .5em;
}
ul#appearance > li > div {
  padding: .5em;
}
ul#appearance > li > div:nth-of-type(1) {
  color: #ffffff;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
}
ul#appearance > li > div:nth-of-type(2) {
  background: #ffffff;
}
ul#appearance > li:nth-of-type(1) > div:nth-of-type(1), ul#appearance > li:nth-of-type(2) > div:nth-of-type(2) {
  font-size: .9em;
}
ul.program {
  letter-spacing: -.35em;
  margin: 1em auto 3em;
  text-align: center;
}
ul.program > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: middle;
  width: calc(32% - .5em);
  border: 1px solid #29abdf;
  margin-bottom: .75em;
	background: #ffffff;
}
ul.program > li:nth-of-type(1) {
  margin-left: 0;
  margin-right: .5em;
}
ul.program > li:nth-of-type(2) {
  margin-left: .25em;
  margin-right: .25em;
}
ul.program > li:nth-of-type(3) {
  margin-left: .5em;
  margin-right: 0;
}
ul.program > li:nth-of-type(4) {
  margin-left: 0;
  margin-right: .5em;
}
ul.program > li:nth-of-type(5) {
  margin-left: .25em;
  margin-right: .25em;
}
ul.program > li:nth-of-type(6) {
  margin-left: .5em;
  margin-right: 0;
}
ul.program > li > a {
  transition: .3s ease;
}
ul.program > li > a:hover {
  opacity: .5;
}
ul.program > li > img, ul.program > li > a > img {
  width: 100%;
}
ul.program_other {
  letter-spacing: -.35em;
  text-align: center;
}
ul.program_other > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: middle;
  width: calc(50% - 1em);
  margin-bottom: .75em;
}
ul.program_other > li:nth-of-type(1) {
  margin-right: .5em;
}
ul.program_other > li:nth-of-type(2) {
  margin-left: .5em;
}
ul.program_other_inner {
  margin: 1em auto 0;
  text-align: center;
  list-style: none;
}
ul.program_other_inner > li {
  width: calc(70% - .5em);
  border: 1px solid #29abdf;
  margin: 0 auto;
}
ul.program_other_inner > li > a {
  transition: .3s ease;
}
ul.program_other_inner > li > a:hover {
  opacity: .5;
}
ul.program_other_inner > li > img, ul.program_other_inner > li > a > img {
  width: 100%;
}
ul#news {
  margin: 0 auto;
  padding: 0;
  background: transparent;
}
ul#news li:nth-of-type(1) {
  border-top: 1px solid;
}
ul#news li {
  list-style: none;
  margin: 0;
  padding: .5em 0;
  border-bottom: 1px solid;
}
ul#news li > span {
  font-size: .75em;
}
ul#news li a {
  text-decoration: none;
  display: inline-block;
  transition: .5s ease;
  font-weight: bold;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
}
ul#news li a:hover {
  background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
  -webkit-background-clip: text;
  color: transparent;
}
ul#bousai_contents {
  margin-top: 2em;
  list-style: none;
}
ul#bousai_contents > li {
  letter-spacing: -.5em;
  margin-bottom: .5em;
}
ul#bousai_contents > li > div {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: top;
}
ul#bousai_contents > li > div:nth-of-type(1) {
  width: 100px;
  position: relative;
  padding-left: .75em;
}
ul#bousai_contents > li > div:nth-of-type(1)::before {
  position: absolute;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  top: 0;
  left: 0;
  width: .5em;
  height: 100%;
  content: " ";
}
ul#bousai_contents > li > div:nth-of-type(2) {
  width: calc(100% - 100px);
}
ul#deployment {
  margin-top: 3em;
}
ul#deployment > li {
  list-style: none;
  border: 1px solid #29abdf;
  width: 100%;
  margin-bottom: 1em;
  padding-bottom: 4em;
  background: #ffffff;
}
ul#deployment > li:nth-last-of-type(1) {
  margin-bottom: 0;
  padding-bottom: 0;
}
ul#deployment > li > div {
  padding: .5em;
}
ul#deployment > li > div:nth-of-type(1) {
  text-align: center;
  color: #ffffff;
  font-weight: bold;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
}
ul#deployment > li > div:nth-of-type(1) > p:nth-of-type(1) > span {
  border-bottom: 1px solid;
  display: inline-block;
  padding-bottom: .5em;
}
ul#deployment > li > div:nth-of-type(1) > p:nth-of-type(2) {
  padding-top: .5em;
}
#excavation, #panel, .program_appearance {
  width: 100%;
  max-width: 200px;
  margin: .5em .5em 1em 1.5em;
  font-size: .65em;
  float: right;
  text-align: right;
}
.program_appearance_02 {
  width: 100%;
  max-width: 100px;
  margin: .5em .5em 1em 1.5em;
  font-size: .65em;
  float: right;
  text-align: right;
}
#excavation > img, #panel > img, .program_appearance > img, .program_appearance_02 > img {
  width: 100%;
}
.dinosaur_appearance_title {
  position: relative;
  margin: 1em 0 .5em;
  padding-left: .75em;
  border-bottom: 1px solid #8cc63e;
}
.dinosaur_appearance_title::before {
  position: absolute;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  top: 0;
  left: 0;
  width: .5em;
  height: 100%;
  content: " ";
}
.dinosaur_appearance_title + p > img {
  width: 100%;
  margin-bottom: 1em;
}
.appearance_asa {
  margin-bottom: .25em;
}
.appearance_asa > span {
  background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
  line-height: 1.75em;
  padding: .25em 0;
}
.appearance_asa + p {
  padding-bottom: 2em;
}
ul.dinosaur_appearance {
  letter-spacing: -.35em;
  margin-bottom: .25em;
  text-align: center;
}
ul.dinosaur_appearance > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: top;
  width: calc(25% - .5em);
  text-align: center;
}
ul.dinosaur_appearance > li:nth-of-type(1) {
  margin-left: 0;
  margin-right: .425em;
}
ul.dinosaur_appearance > li:nth-of-type(2) {
  margin-left: .025em;
  margin-right: .325em;
}
ul.dinosaur_appearance > li:nth-of-type(3) {
  margin-left: .325em;
  margin-right: .025em;
}
ul.dinosaur_appearance > li:nth-of-type(4) {
  margin-left: .425em;
  margin-right: 0;
}
ul.dinosaur_appearance > li > p:nth-of-type(1) {
  background: #e9f5fb;
  position: relative;
}
ul.dinosaur_appearance > li > p:nth-of-type(1)::before, ul.dinosaur_appearance > li > p:nth-of-type(1)::after {
  position: absolute;
  width: 30px;
  height: 1px;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  transform: rotate(-45deg);
  content: " ";
  box-shadow: 0 0 1px #ffffff;
}
ul.dinosaur_appearance > li > p:nth-of-type(1)::before {
  top: .5em;
  left: -.5em;
}
ul.dinosaur_appearance > li > p:nth-of-type(1)::after {
  bottom: .5em;
  right: -.5em;
}
ul.dinosaur_appearance > li > p:nth-of-type(1) > img {
  width: 100%;
}
ul.dinosaur_appearance > li > p:nth-of-type(2) {
  font-size: 1em;
}
ul.dinosaur_appearance > li > p:nth-of-type(3) {
  font-size: .75em;
}
ul#bousai_appearance {
  letter-spacing: -.35em;
  margin-bottom: .25em;
  text-align: center;
}
ul#bousai_appearance > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: top;
  width: calc(33.33% - .5em);
  text-align: center;
}
ul#bousai_appearance > li:nth-of-type(1) {
  margin-left: 0;
  margin-right: .425em;
}
ul#bousai_appearance > li:nth-of-type(2) {
  margin-left: .025em;
  margin-right: .325em;
}
ul#bousai_appearance > li:nth-of-type(3) {
  margin-left: .325em;
  margin-right: .025em;
}
ul#bousai_appearance > li:nth-of-type(4) {
  margin-left: .425em;
  margin-right: 0;
}
ul#bousai_appearance > li > p:nth-of-type(1) {
  background: #e9f5fb;
  position: relative;
}
ul#bousai_appearance > li > p:nth-of-type(1)::before, ul#bousai_appearance > li > p:nth-of-type(1)::after {
  position: absolute;
  width: 30px;
  height: 1px;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  transform: rotate(-45deg);
  content: " ";
  box-shadow: 0 0 1px #ffffff;
}
ul#bousai_appearance > li > p:nth-of-type(1)::before {
  top: .5em;
  left: -.5em;
}
ul#bousai_appearance > li > p:nth-of-type(1)::after {
  bottom: .5em;
  right: -.5em;
}
ul#bousai_appearance > li > p:nth-of-type(1) > img {
  width: 100%;
}
ul#bousai_appearance > li > p:nth-of-type(2) {
  font-size: 1em;
}
ul#bousai_appearance > li > p:nth-of-type(3) {
  font-size: .75em;
}

/* 「･･･他」枠の斜め線（擬似要素）と背景を非表示にする */
ul.dinosaur_appearance > li.no-line > p::before,
ul.dinosaur_appearance > li.no-line > p::after,
ul#bousai_appearance > li.no-line > p::before,
ul#bousai_appearance > li.no-line > p::after {
  content: none !important;
  display: none !important;
}

/* 「･･･他」のテキスト位置・高さの調整 */
ul.dinosaur_appearance > li.no-line,
ul#bousai_appearance > li.no-line {
  display: inline-flex;
  flex-direction: column;
  justify-content: flex-end; /* 下揃え */
  min-height: 140px;          /* 写真枠の高さに合わせる */
  background: transparent !important;
}

ul.dinosaur_appearance > li.no-line .other-text,
ul#bousai_appearance > li.no-line .other-text {
  font-size: 1em;
  background: transparent !important;
  margin-bottom: 0.5em;
}

.cp_box *, .cp_box *:before, .cp_box *:after {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.cp_box {
  position: relative;
}
.cp_box label {
  position: absolute;
  z-index: 1;
  bottom: -1em;
  width: 100%;
  height: 5em;
  cursor: pointer;
  text-align: center;
  background: linear-gradient(rgba(255, 255, 255, 0) 0, #ffffff 50%, #ffffff 100%);
}
.cp_box input:checked + label {
  background: inherit;
}
.cp_box label::after {
  position: absolute;
  z-index: 2;
  bottom: -2em;
  left: 50%;
  transform: translateX(-50%);
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  content: '一覧を表示する ''\f063';
  margin: 0 auto;
  padding: .5em 1em;
  text-align: center;
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
}
.cp_box label:hover::after {
  background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
  -webkit-background-clip: text;
  color: transparent;
}
.cp_box input {
  display: none;
}
.cp_box .cp_container {
  overflow: hidden;
  height: 200px;
  transition: .5s ease;
}
.cp_box input:checked + label::after {
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  content: '閉じる ''\f062';
}
.cp_box input:checked ~ .cp_container {
  height: auto;
  padding-top: 0;
  padding-bottom: .5em;
  transition: .5s ease;
}
/*.cp_box_02 *,
.cp_box_02 *:before,
.cp_box_02 *:after {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

.cp_box_02 {
    position: relative;
}

.cp_box_02 label {
    position: absolute;
    z-index: 1;
    bottom: -3.5em;
    width: 100%;
    height: 50px;
    cursor: pointer;
    text-align: center;
}

.cp_box_02 input:checked+label {
    background: inherit;
}

.cp_box_02 label::after {
    position: absolute;
    z-index: 2;
    bottom: .75em;
    left: 50%;
    transform: translateX(-50%);
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: '一覧を表示する ' '\f063';
    margin: 0 auto;
    padding: .5em 1em;
    text-align: center;
    background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
    -webkit-background-clip: text;
    color: transparent;
}

.cp_box_02 label:hover::after {
    background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
    -webkit-background-clip: text;
    color: transparent;
}

.cp_box_02 input {
    display: none;
}

.cp_box_02 .cp_container_02 {
    overflow: hidden;
    height: 315px;
    transition: .5s ease;
}

.cp_box_02 input:checked+label::after {
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    content: '閉じる ' '\f062';
}

.cp_box_02 input:checked~.cp_container_02 {
    height: auto;
    padding-top: 0;
    padding-bottom: .5em;
    transition: .5s ease;
}*/
#sponsor {
  letter-spacing: -.35em;
  margin: 1em auto 3em;
  text-align: center;
  display: table;
  width: 100%;
}
#sponsor > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: middle;
  width: calc(50% - .5em);
  border: 1px solid #29abdf;
  text-align: center;
  margin-bottom: .5em;
	background: #ffffff;
}
#sponsor > li:nth-of-type(2n+1) {
  margin-right: .5em;
}
#sponsor > li:nth-of-type(2n) {
  margin-left: .5em;
}
/*#sponsor > li {
  letter-spacing: 0;
  display: inline-block;
  vertical-align: middle;
  width: calc(33% - .5em);
  border: 1px solid #29abdf;
  text-align: center;
  margin-bottom: .5em;
}
#sponsor > li:nth-of-type(1) {
  margin-left: 0;
  margin-right: .5em;
}
#sponsor > li:nth-of-type(2) {
  margin-left: .25em;
  margin-right: .25em;
}
#sponsor > li:nth-of-type(3) {
  margin-left: .5em;
  margin-right: 0;
}*/

#sponsor > li > a {
  padding: 1em 0;
  transition: .3s ease;
}
#sponsor > li > a:hover {
  opacity: .5;
}
#sponsor > li > a > img {
  width: 100%;
}
ul.attention {
  margin: 1em 0;
  padding: 0;
}
ul.attention li {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1em;
  position: relative;
}
ul.attention li::before {
  position: absolute;
  left: 0;
  margin: 0;
  content: "※";
}
ul.quiz-schedule_number {
  margin: 0 auto;
  padding: 0;
  width: 100%;
  max-width: 250px;
}
ul.quiz-schedule_number li {
  list-style: none;
  margin: 0;
  padding: 0 0 0 2.25em;
  position: relative;
}
ul.quiz-schedule_number li::before {
  position: absolute;
  left: 1em;
  margin: 0;
}
ul.quiz-schedule_number li:nth-of-type(1)::before {
  content: "①";
}
ul.quiz-schedule_number li:nth-of-type(2)::before {
  content: "②";
}
ul.quiz-schedule_number li:nth-of-type(3)::before {
  content: "③";
}
#area_tree {
  padding: 0;
  background: url('./images/sky.png') no-repeat 0 55%;
}
#area_tree > article > img {
  width: 100%;
}
footer {
  margin: 0;
  padding: 1em 0;
  text-align: center;
  font-size: .75em;
}
img {
  margin: 0;
  padding: 0;
  vertical-align: bottom;
}
.map {
  height: 0;
  overflow: hidden;
  padding-bottom: 56.25%;
  position: relative;
  border: 1px solid #29abdf;
  margin: 1em 0;
  clear: both;
}
.map > iframe {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  margin-top: 0;
}
#count {
  padding: 0;
  width: 100%;
  position: relative;
}
#count > #bud {
  position: absolute;
  bottom: 0;
  left: 0;
}
#tree {
  width: 100%;
}
#bud {
  width: 100%;
  max-width: 70px;
}
#messagenumber {
  position: absolute;
  bottom: 95px;
  left: 60px;
}
#countnumber {
  position: absolute;
  bottom: 60px;
  left: 60px;
  font-family: "zen-kaku-gothic-new", sans-serif;
  font-weight: 900;
  font-style: normal;
  font-size: 2em;
  letter-spacing: .125em;
  color: #ff4650;
}
.appli {
  width: 200px;
  display: inline-block;
  margin-top: 0;
  margin-bottom: .25em;
}
.appli > img {
  width: 100%;
}
.chord {
  width: 150px;
  margin: 1em auto 0;
}
.chord > img {
  width: 100%;
  border: 1px solid;
}
.button {
  text-align: center;
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-top: 2em;
}
.button > a {
  background: linear-gradient(to right, #29abdf, #5cb98d, #8cc63e);
  -webkit-background-clip: text;
  color: transparent;
}
.button > a:hover {
  background: linear-gradient(to right, rgba(41, 171, 223, .5), rgba(92, 185, 141, .5), rgba(140, 198, 62, .5));
  -webkit-background-clip: text;
  color: transparent;
}
.button > a::after {
  content: "\f35d";
  margin-left: .5em;
}
#action_example {
  letter-spacing: -.35em;
  margin: 1em auto;
  width: 100%;
  text-align: center;
  ;
}
#action_example > div {
  width: 100%;
}
#action_example > div > div {
  display: inline-block;
  vertical-align: middle;
  letter-spacing: 0;
}
#example_01 > div:nth-of-type(2), #example_02 > div:nth-of-type(1), #example_03 > div:nth-of-type(2) {
  width: 60px;
}
#example_01 > div:nth-of-type(2) > img, #example_02 > div:nth-of-type(1) > img, #example_03 > div:nth-of-type(2) > img {
  width: 100%;
}
.balloon-right {
  position: relative;
  display: inline-block;
  margin: .5em 1.25em .5em 0;
  padding: 1.25em .75em;
  min-width: 120px;
  max-width: 100%;
  background: #ffffff;
  border: solid 1px #29abdf;
  border-radius: 1em;
}
.balloon-right:before {
  content: "";
  position: absolute;
  top: 50%;
  right: -18px;
  margin-top: -8.5px;
  border: 8px solid transparent;
  border-left: 13px solid #ffffff;
  z-index: 2;
}
.balloon-right:after {
  content: "";
  position: absolute;
  top: 50%;
  right: -22px;
  margin-top: -9px;
  border: 9px solid transparent;
  border-left: 14px solid #29abdf;
  z-index: 1;
}
.balloon-right p {
  margin: 0;
  padding: 0;
}
.balloon-left {
  position: relative;
  display: inline-block;
  margin: .5em 0 .5em 1.25em;
  padding: 1.25em .75em;
  min-width: 120px;
  max-width: 100%;
  background: #ffffff;
  border: solid 1px #29abdf;
  border-radius: 1em;
}
.balloon-left:before {
  content: "";
  position: absolute;
  top: 50%;
  left: -18px;
  margin-top: -8.5px;
  border: 8px solid transparent;
  border-right: 13px solid #ffffff;
  z-index: 2;
}
.balloon-left:after {
  content: "";
  position: absolute;
  top: 50%;
  left: -22px;
  margin-top: -9px;
  border: 9px solid transparent;
  border-right: 14px solid #29abdf;
  z-index: 1;
}
.balloon-left p {
  margin: 0;
  padding: 0;
}
.tver {
  margin-top: 3em;
  text-align: center;
}
.tver > a {
  width: 100%;
  margin: 0 auto;
}
.tver > a:hover {
  opacity: .5;
}
.tver > a > img {
  max-width: 250px;
}
@media screen and (max-width : 500px) {
  html {
    width: 100%;
  }
  .menu {
    right: 14px;
    transform: translateX(0);
  }
  /*ul#appearance>li:nth-of-type(2)>div:nth-of-type(2) {
        font-size: .65em;
    }*/
  #area_about .article_about > p:nth-of-type(1) {
    /*text-align: left;*/
  }
  #bud {
    max-width: 50px;
  }
  #messagenumber {
    bottom: 65px;
    left: 40px;
    font-size: .75em;
  }
  #countnumber {
    bottom: 40px;
    left: 40px;
    font-size: 1.5em;
  }
  #excavation, #panel, .program_appearance {
    width: 100%;
    max-width: 150px;
    margin: .5em .5em 1em 1.5em;
    font-size: .65em;
    float: right;
    text-align: right;
  }
  .program_appearance_02 {
    width: 100%;
    max-width: 75px;
    margin: .5em .5em 1em 1.5em;
    font-size: .65em;
    float: right;
    text-align: right;
  }
}