img {
  width: 100%;
}
p {
  font-size: clamp(0.75rem, 0.6591rem + 0.4545vw, 1rem);
}
a {
  font-size: clamp(0.75rem, 0.6591rem + 0.4545vw, 1rem);
  transition: all 0.3s ease 0s;
}
a:hover {
  opacity: 0.8;
}
.pc {
  display: block;
}
.pc-inline {
  display: inline-block;
}
.sp {
  display: none;
}
@media screen and (max-width: 500px) {
  .pc {
    display: none;
  }
  .pc-inline {
    display: none;
  }
  .sp {
    display: block;
  }
}

/* 共通指定 320-1200
====================================================*/
/* 16px~32px */
.pm {
  margin: clamp(1rem, 0.6364rem + 1.8182vw, 2rem) 0;
}
.pmt {
  margin-top: clamp(1rem, 0.6364rem + 1.8182vw, 2rem);
}
.pmb {
  margin-bottom: clamp(1rem, 0.6364rem + 1.8182vw, 2rem);
}
.pp {
  padding: clamp(1rem, 0.6364rem + 1.8182vw, 2rem) 0;
}
.ppt {
  padding-top: clamp(1rem, 0.6364rem + 1.8182vw, 2rem);
}
.ppb {
  padding-bottom: clamp(1rem, 0.6364rem + 1.8182vw, 2rem);
}
/* 8px~16px */
.pm05 {
  margin: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem) 0;
}
.pmt05 {
  margin-top: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem);
}
.pmb05 {
  margin-bottom: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem);
}
.pp05 {
  padding: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem) 0;
}
.ppt05 {
  padding-top: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem);
}
.ppb05 {
  padding-bottom: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem);
}
/* 2px~4px */
.pm005 {
  margin: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem) 0;
}
.pmt005 {
  margin-top: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem);
}
.pmb005 {
  margin-bottom: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem);
}
.pp005 {
  padding: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem) 0;
}
.ppt005 {
  padding-top: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem);
}
.ppb005 {
  padding-bottom: clamp(0.125rem, 0.0795rem + 0.2273vw, 0.25rem);
}

/* フロントLP
====================================================*/
html {
  background-color: #d8f0ff;
}
section {
  max-width: 1200px;
  margin: 0 auto;
  background-color: #fff;
}
.fix {
  position: fixed;
  width: 10%;
  right: calc((100vw - 1215px) / 2);
  top: 20%;
  max-width: 80px;
  z-index: 9999;
}
@media screen and (max-width: 1200px) {
  .fix {
    position: fixed;
    right: 0;
    top: 20%;
    width: 10%;
    max-width: 80px;
  }
}
@media screen and (max-width: 500px) {
  .fix {
    position: fixed;
    right: 0;
    top: auto;
    width: 20%;
    bottom: 5%;
  }
}
header {
  background-color: #9fdaff;
  display: flex;
  padding: 2% 3% 1%;
  margin: 0 auto;
}
main {
  margin: 0 auto;
}
header a {
  padding: 1%;
}
.content {
  width: 80%;
  margin: 0 auto;
}
.top {
  background-color: #009dff;
}
.about-button1 {
  position: absolute;
  width: 50%;
  bottom: 10%;
  right: 0%;
}
.about-button2 {
  position: absolute;
  width: 50%;
  bottom: 18%;
  right: 3%;
}
.about-button3 {
  position: absolute;
  width: 70%;
  bottom: 7%;
  left: -3%;
}
.about-button4 {
  position: absolute;
  width: 50%;
  bottom: 18%;
  right: 2%;
}

/* シンポジウムエリア */
/* スライダーCSS */
.swiper-wrapper {
  display: flex;
}

.swiper-slide {
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  /* 16:9 の比率 */
  position: relative;
}

.image-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-size: contain;
  background-position: center;
}

.image-container img {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  /* 画像のアスペクト比を維持しつつ収める */
}

.image-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: inherit;
  /* 元の画像を背景として使用 */
  filter: blur(10px);
  /* 背景画像をぼかす */
  z-index: -1;
  /* 背景を画像の後ろに配置 */
}

.swiper-button-next,
.swiper-button-prev {
  width: 30px;
  height: 30px;
  color: #00b0ee;
}

@media screen and (max-width: 500px) {
  .swiper-button-next,
  .swiper-button-prev {
    width: 10px;
    height: 10px;
  }

  :root {
    --swiper-navigation-size: 24px;
  }
}

.swiper-pagination-bullets {
  position: static;
  margin-top: clamp(0.5rem, 0.3182rem + 0.9091vw, 1rem);
}

.swiper-pagination-bullet {
  width: clamp(0.5rem, 0.4091rem + 0.4545vw, 0.75rem) !important;
  height: clamp(0.5rem, 0.4091rem + 0.4545vw, 0.75rem) !important;
  margin: 0 0 0 10px !important;
  background: #00b0ee !important;
}

.swiper-pagination-bullet:first-child {
  margin: 0 !important;
}

.swiper-button-prev,
.swiper-button-next {
  width: 24px;
  /* ボタンの幅 */
  height: 40px;
  /* ボタンの高さ */
  background-size: 24px 40px;
  /* 表示したいサイズ */
  transform: translateY(-50%);
  margin-top: 0;
}

@media screen and (max-width: 500px) {
  .swiper-button-prev,
  .swiper-button-next {
    width: 12px;
    /* ボタンの幅 */
    height: 20px;
    /* ボタンの高さ */
    background-size: 12px 20px;
    /* 表示したいサイズ */
  }
}

.card-big p {
  padding: 5%;
  background-color: #dcf2ff;
  text-align: left;
  font-size: clamp(0.75rem, 0.6591rem + 0.4545vw, 1rem);
  line-height: 1.5;
}
.card-big h2 {
  background-color: #009dff;
  color: #fff;
  font-weight: bold;
  font-size: clamp(0.75rem, 0.4773rem + 1.3636vw, 1.5rem);
  line-height: 1.8;
}
.card-big h3 {
  background-color: #009dff;
  color: #fff;
  font-weight: bold;
  font-size: clamp(0.75rem, 0.4773rem + 1.3636vw, 1.5rem);
  line-height: 2.2;
}

.card-big .section3img {
  width: 70%;
  padding: 3% 0;
}

.card-big-in {
  display: flex;
  padding: 2% 0 0;
  justify-content: space-between;
}

.card-big-in .left {
  width: 35%;
}

.card-big-in .right {
  width: 62%;
}

.card-big-in .left .swiper .swiper-slide {
  width: 100%;
  height: 0;
  padding-bottom: 75%;
  /* 4:3 の比率 */
  position: relative;
}

.card-big-in .left .swiper img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: contain;
}

.card-big-in .right .button-wrap {
  display: flex;
  align-items: center;
}

.card-big-in .right .button-wrap a {
  display: block;
  width: 12%;
  margin: 5% 3%;
}

.card-big-in .right .button-wrap img {
  display: block;
}

@media screen and (max-width: 500px) {
  .card-big .section3img {
    width: 90%;
    padding: 3% 0 0;
  }

  .card-big-in {
    padding: 4% 0 10%;
    flex-direction: column;
  }

  .card-big-in .left {
    width: 100%;
  }

  .card-big-in .right {
    width: 100%;
  }

  .card-big-in .right .button-wrap a {
    width: 16%;
  }
}

/* イエローエリア */
.yellow-area {
  background: repeating-linear-gradient(
    -45deg,
    #fff0a7,
    #fff0a7 8px,
    #ffffd2 6px,
    #ffffd2 14px
  );
}

.yellow-in {
  background-color: #fff;
  border: 6px solid #ff7f00;
  padding: 3%;
}

@media screen and (max-width: 500px) {
  .yellow-in {
    border: 2px solid #ff7f00;
  }
}

.detail {
  border: 2px solid #009dff;
}

.detail .title {
  color: #fff;
  text-align: center;
  background-color: #009dff;
  font-size: clamp(0.0625rem, 0.0611rem + 2.2519vw, 1.75rem);
  font-weight: bold;
  padding: 1.5% 0 1%;
}

.detail .text {
  color: #009dff;
  font-size: clamp(0.0625rem, 0.0613rem + 1.9183vw, 1.5rem);
  font-weight: bold;
  padding: 2.6%;
}

.detail .text a {
  color: #9368ff;
  font-size: clamp(0.0625rem, 0.0613rem + 1.9183vw, 1.5rem);
  font-weight: bold;
  text-decoration: underline;
  text-decoration-color: #009dff;
  line-height: 1.8;
}

.sp-inline {
  display: none;
}

@media screen and (max-width: 500px) {
  .sp-inline {
    display: inline;
  }
}