@charset "UTF-8";

.only_sp {
  display: none;
}

body {
  color: #000;
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.5;
  background: #cde1dc;
  overflow-x: hidden;
}

header {
  max-width: 1300px;
  display: flex;
  justify-content: center;
  position: relative;
  margin: 0 auto;
}

header>h1 {
  color: #fff;
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  filter: drop-shadow(0 0 5px #245242);
  position: absolute;
  top: 10px;
  z-index: 1;
}

header>h1::before {
  content: "防衛産業参入促進·\A事業承継セミナー";
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  -webkit-text-stroke: 10px #245242;
  position: absolute;
  z-index: -1;
}

header>img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

main {
  max-width: 1100px;
  display: flex;
  flex-flow: column;
  gap: 50px;
  padding: 0 20px;
  margin: 0 auto;
}

main>section:nth-of-type(1)>div:nth-of-type(1) {
  display: flex;
  justify-content: center;
  position: relative;
  padding: 100px 0 0;
}

main>section:nth-of-type(1)>p {
  margin: 0 0 50px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div:nth-of-type(1) {
  min-height: 130px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px;
  color: #fff;
  background: #fff;
  border-radius: 20px;
  filter: drop-shadow(0 0 2px rgba(0, 0, 0, 50%));
  position: absolute;
  top: -65px;
  z-index: 2;
  padding: 10px 20px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(1)>p:nth-of-type(1) {
  width: fit-content;
  display: block;
  color: #000;
  font-weight: bold;
  background: #D6C60A;
  border-radius: 5px;
  padding: 2px 10px;
  margin: 0 0 5px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(1)>p:nth-of-type(2) {
  color: #000;
  font-size: 1.2rem;
  font-weight: bold;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(1)>p:nth-of-type(2) span {
  font-size: 1.8rem;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2) {
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #245242;
  border-radius: 10px;
  position: relative;
  padding: 10px 30px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2)::after {
  content: "参加\A無料";
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: bold;
  line-height: 1.2;
  white-space: pre;
  background: #245242;
  border-radius: 100vw;
  position: absolute;
  top: -105px;
  right: 0;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2)::before {
  content: "";
  width: 20px;
  height: 20px;
  background: #245242;
  clip-path: polygon(0 0, 0 0, 50% 100%, 50% 100%, 100% 0);
  transform: rotate(20deg);
  position: absolute;
  top: -25px;
  right: 45px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2)>p:nth-of-type(1) {
  border-bottom: 1px solid;
  padding: 0 0 10px;
}

main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2)>p:nth-of-type(2) {
  font-size: 2rem;
  font-weight: bold;
  margin: -5px 0 0;
}

main>section:nth-of-type(2)>div {
  display: flex;
  justify-content: center;
  background: url(../img/bg_meisai.jpg) no-repeat center center / cover;
  padding: 30px;
}

main>section:nth-of-type(2)>div>div {
  width: 100%;
  max-width: 700px;
  display: flex;
  justify-content: center;
  background: rgba(255, 255, 255, 85%);
  border: 2px solid #245242;
  border-radius: 20px;
  padding: 20px;
}

main>section:nth-of-type(2)>div>div>dl>dt {
  font-size: 1.2rem;
}


main>section:nth-of-type(2)>div>div>dl>dd {
  margin: 0 0 20px;
}

main>section:nth-of-type(3)>div:nth-of-type(1) {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 30px;
  margin: 0 0 50px;
}

main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(1) {
  display: flex;
  flex-flow: column;
  gap: 20px;
}

main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(1)>dl>dt {
  width: fit-content;
  display: block;
  color: #000;
  font-weight: bold;
  background: #D6C60A;
  border-radius: 5px;
  padding: 2px 10px;
  margin: 0 0 5px;
}

main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(1) ul li {
  list-style: disc;
  margin: 0 0 0 20px;
}

main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(2) iframe {
  width: 100%;
  height: 100%;
}

footer {
  text-align: center;
  background: #fff;
}

footer>div {
  max-width: 800px;
  display: flex;
  flex-flow: column;
  gap: 15px;
  padding: 50px 20px;
  margin: 0 auto;
}

footer>div>p:nth-of-type(1),
footer>div>p:nth-of-type(4) {
  font-size: 1.2rem;
  font-weight: bold;
}

footer>div>p:nth-of-type(2),
footer>div>p:nth-of-type(3) {
  text-align: left;
}

footer>div>p:nth-of-type(3) {
  border-bottom: 1px solid;
  padding: 0 0 20px 0;
}

footer>div>ul {
  text-align: left;
  list-style: disc;
  margin: 0 0 0 23px;
}

footer>p {
  width: 100%;
  color: #fff;
  font-size: 0.8rem;
  background: #11271f;
  padding: 30px 20px;
}

section h2 {
  display: flex;
  align-items: center;
  font-size: 1.8rem;
  font-weight: bold;
  position: relative;
  margin: 0 0 20px;
}

section h2:before,
section h2:after {
  content: "";
  height: 2px;
  flex-grow: 1;
  background: #000;
}

section h2:before {
  margin: 0 20px 0 0;
}

section h2:after {
  margin: 0 0 0 20px;
}

div.btn_box {
  width: 100%;
  display: flex;
  flex-flow: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 30px 0;
}

div.btn_box::after {
  content: "";
  display: block;
  width: 100vw;
  height: 100%;
  background: #39725F;
  position: absolute;
  z-index: -1;
}

div.btn_box>div {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  justify-items: center;
  gap: 50px;
}

div.btn_box>div p {
  display: flex;
  align-items: center;
  color: #fff;
  text-align: center;
}

div.btn_box>div a {
  width: 100%;
  max-width: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0 10px;
  color: #000;
  text-align: center;
  font-size: 1.4rem;
  font-weight: bold;
  border-radius: 100vw;
  filter: drop-shadow(0 5px 0 rgba(0, 0, 0, 30%));
  position: relative;
  z-index: 2;
  padding: 15px 30px;
  transition: 0.3s;
}

/*
div.btn_box>div a:nth-of-type(1) {
  background: linear-gradient(to bottom, #d6c60a 50%, #b9ab03 50%);
  border: 3px solid #857b00;
}
  */

div.btn_box>div a:nth-of-type(1) {
  background: linear-gradient(to bottom, #72bada 50%, #21abce 50%);
  border: 3px solid #005e85;
}

div.btn_box>div a:hover {
  opacity: 0.5;
}

div.btn_box>div a::after {
  content: "";
  width: 15px;
  height: 20px;
  background: #000;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
}

div.btn_box>p {
  color: #fff;
  font-size: 1.2rem;
}

.btn_top {
  width: 50px;
  height: 50px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 50%);
  border-radius: 100vw;
  position: fixed;
  bottom: 10px;
  right: 10px;
  z-index: 99;
  cursor: pointer;
  transition: 0.3s;
}

.btn_top:hover {
  opacity: 0.5;
}

.btn_top::after {
  content: "";
  width: 15px;
  height: 15px;
  border-top: 4px solid #fff;
  border-right: 4px solid #fff;
  transform: rotate(-45deg);
  position: absolute;
  margin: 5px 0 0;
}


/*----- 本番告知 -----*/

.soon {
  height: 100vh;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.soon>div {
  width: 100%;
  display: flex;
  justify-content: center;
  background: url(../img/bg_meisai.jpg) no-repeat center center / cover;
  padding: 30px;
}

.soon>div>div {
  background: rgba(255, 255, 255, 85%);
  border: 2px solid #245242;
  border-radius: 20px;
  padding: 20px;
}

.soon>div>div>p:nth-of-type(1) {
  font-size: 1.4rem;
  text-align: center;
  font-weight: bold;
  margin: 0 0 10px;
}


/*----- 本番告知 ここまで -----*/

@media screen and (max-width: 1200px) {

  div.btn_box>div {
    grid-template-columns: 1fr;
  }

}

@media screen and (max-width: 1023px) {
  header>h1 {
    font-size: 2.6rem;
  }

  header>h1::before {
    font-size: 2.6rem;
  }
}

@media screen and (max-width: 767px) {

  .only_pc {
    display: none;
  }

  .only_sp {
    display: block;
  }

  header>h1 {
    font-size: 7vw;
  }

  header>h1::before {
    font-size: 7vw;
  }

  main>section:nth-of-type(1)>div:nth-of-type(1) {
    padding: 0;
  }

  main>section:nth-of-type(1)>div:nth-of-type(1)>div:nth-of-type(1) {
    grid-template-columns: 1fr;
    position: relative;
    top: 0;
    margin: 30px 0;
  }

  main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(1)>p:nth-of-type(2) {
    font-size: 1rem;
  }

  main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(1)>p:nth-of-type(2) span {
    font-size: 1.4rem;
  }

  main>section:nth-of-type(1)>div:nth-of-type(1)>div>div:nth-of-type(2)>p:nth-of-type(2) {
    font-size: 1.8rem;
  }

  main>section:nth-of-type(2)>div {
    padding: 30px 10px;
  }

  main>section:nth-of-type(3)>div:nth-of-type(1) {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin: 0 0 50px;
  }

  main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(1) {
    order: 2;
  }

  main>section:nth-of-type(3)>div:nth-of-type(1)>div:nth-of-type(2) iframe {
    height: 300px;
  }



}