@charset "utf-8";

main {
  padding: 0;
  font-family: "Shippori Mincho", serif;
}

h1, h2, h3, h4, p, span, th, td {
  color: #000;
}

.artfair_toppage {
  position: relative;
  margin: 0;
  width: 100%;
  height: 100vh;
}

.artfair_toppage .artfair_title {
  text-align: center;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.artfair_toppage .artfair_title h1 {
  font-size: 3vw;
  margin-bottom: 15px;
  font-weight: 300;
}

.artfair_toppage .artfair_title p {
  font-size: 1.8vw;
  font-weight: 300;
}

.memory_container {
  max-width: 100%;
  width: 100%;
  margin: 0 auto;
  padding: 300px 0;
  background: linear-gradient(to bottom, #0D1B2A, #1B263B, #415A77, #AE971C);
}

.memory_container .memory_title {
  width: 100%;
  text-align: center;
  margin-bottom: 100px;
}

.memory_container .memory_title h2 {
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 2px;
  margin: 0 auto;
  font-size: 2vw;
  color: #fff;
}

.memory_container .memory_title p {
  font-size: 2.5vw;
  color: #fff;
}

.memory_container .memory_detail {
  width: 50%;
  margin: 0 auto;
}

.memory_container .memory_detail p {
  font-size: 1.5vw;
  line-height: 2;
  color: #fff;
}

.explain_container {
  max-width: 100%;
  width: 50%;
  margin: 200px 10%;
}

.explain_container h3 {
  font-size: 2vw;
  margin-bottom: 30px;
}

.explain_container p {
  font-size: 1.2vw;
}

.overview_container {
  max-width: 100%;
  width: 50%;
  margin: 0 10%;
  padding-bottom: 150px;
}

.overview_container h3 {
  font-size: 1.5vw;
  margin-bottom: 15px;
}

.overview_container h4 {
  font-size: 1.2vw;
  margin-bottom: 15px;
}

.overview_container p {
  font-size: 1.2vw;
}

.overview_container table {
  margin: 0;
}

.overview_container table tr {
  line-height: 2em;
}

.overview_container table td {
  padding-left: 30px;
}

.join_container {
  max-width: 100%;
  width: 50%;
  margin: 0 10%;
  padding-bottom: 150px;
}

.join_container h3 {
  font-size: 1.5vw;
  margin-bottom: 30px;
}

.join_container h4 {
  font-size: 1.2vw;
  margin-bottom: 15px;
}

.join_container p {
  font-size: 1.2vw;
}

.join_container .prev_text {
  font-size: 1vw;
}

.prev_button {
  width: 40%;
  background: linear-gradient(135deg, #0D1B2A, #1B263B, #415A77, #AE971C);
  text-align: center;
  justify-content: center;
  margin-top: 30px;
  border-radius: 5px;
  overflow: hidden;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.prev_button .btn {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0.8em 0;
  color: #fff;
  font-family: 'Courier New', Courier, monospace;
  font-weight: 500;
  margin: 0;
  text-decoration: none;
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

/* ホバー時のアニメーション */
.prev_button::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(120deg, rgba(255,255,255,0.2), transparent, rgba(255,255,255,0.2));
  transform: skewX(-20deg);
  transition: left 0.5s ease;
  z-index: 0;
}

.prev_button:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.prev_button:hover::before {
  left: 100%;
}

.prev_button:hover .btn {
  color: #f8f8f8;
}

footer {
  position: relative;
  z-index: 0;
  max-width: 100%;
  width: 100%;
  background: linear-gradient(to right, #0D1B2A, #1B263B, #415A77, #AE971C);
  padding: 10% 15%;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer .footer_launica_logo {
  width: 40%;
}

footer .footer_launica_logo img {
  width: 100%;
  object-fit: cover;
}

footer .footer_text {
  width: 30%;
  text-align: left;
}

footer .footer_text .company {
  margin-bottom: 15px;
}

footer .footer_text .company h4 {
  color: #fff;
}

footer .footer_text .company p {
  color: #fff;
}

footer .footer_text .customer {
  margin-bottom: 15px;
}

footer .footer_text .customer h4 {
  color: #fff;
}

footer .footer_text .customer p {
  color: #fff;
}

footer .footer_text .social_media {
  display: flex;
  justify-content: left;
}

footer .footer_text .social_media a {
  width: 35px;
  height: 35px;
  margin-right: 10px;
}

footer .footer_text .social_media a img {
  width: 100%;
  object-fit: cover;
}

@media screen and (max-width: 1024px) and (min-width: 769px) {
  .artfair_toppage .artfair_title h1 {
    white-space: nowrap;
    font-size: 4vw;
    margin-bottom: 15px;
  }
  
  .artfair_toppage .artfair_title p {
    font-size: 2.5vw;
  }
  
  .memory_container {
    padding: 250px 0;
  }
  
  .memory_container .memory_title h2 {
    font-size: 3vw;
  }
  
  .memory_container .memory_title p {
    font-size: 3.5vw;
  }
  
  .memory_container .memory_detail {
    width: 60%;
  }
  
  .memory_container .memory_detail p {
    font-size: 2vw;
  }
  
  .explain_container {
    width: 70%;
    margin: 200px 10%;
  }
  
  .explain_container h3 {
    font-size: 3vw;
    margin-bottom: 30px;
  }
  
  .explain_container p {
    font-size: 1.8vw;
  }
  
  .overview_container {
    width: 70%;
    padding-bottom: 150px;
    margin: 0 10%;
  }
  
  .overview_container h3 {
    font-size: 2.5vw;
    margin-bottom: 15px;
  }
  
  .overview_container h4 {
    font-size: 2vw;
    margin-bottom: 15px;
  }
  
  .overview_container p {
    font-size: 1.8vw;
  }

  .overview_container th, td {
    font-size: 1.8vw;
  }
  
  .join_container {
    width: 70%;
    padding-bottom: 150px;
    margin: 0 10%;
  }
  
  .join_container h3 {
    font-size: 2.5vw;
    margin-bottom: 30px;
  }
  
  .join_container h4 {
    font-size: 2vw;
    margin-bottom: 15px;
  }

  .join_container p {
    font-size: 1.8vw;
  }
  
  .join_container .prev_text {
    font-size: 1.3vw;
  }
  
  .prev_button {
    width: 50%;
    margin-top: 30px;
  }

  .prev_button .btn {
    font-size: 1.5vw;
  }

  footer {
    padding: 8% 15%;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  footer .footer_launica_logo {
    width: 50%;
  }
  
  footer .footer_text {
    width: 40%;
    text-align: left;
  }
  
  footer .footer_text .company {
    margin-bottom: 15px;
  }

  footer .footer_text .company h4 {
    font-size: 1.5vw;
  }

  footer .footer_text .company p {
    font-size: 1.5vw;
  }

  footer .footer_text .customer {
    margin-bottom: 15px;
  }

  footer .footer_text .customer h4 {
    font-size: 1.5vw;
  }

  footer .footer_text .customer p {
    font-size: 1.5vw;
  }
  
  footer .footer_text .social_media a {
    width: 25px;
    height: 25px;
    margin-right: 10px;
  }
}

@media screen and (max-width: 768px) and (min-width: 481px) {
  .artfair_toppage .artfair_title h1 {
    white-space: nowrap;
    font-size: 6vw;
    margin-bottom: 15px;
  }
  
  .artfair_toppage .artfair_title p {
    font-size: 4vw;
  }
  
  .memory_container {
    max-width: 100%;
    padding: 150px 3%;
    box-sizing: border-box;
  }
  
  .memory_container .memory_title h2 {
    font-size: 4vw;
  }
  
  .memory_container .memory_title p {
    font-size: 4.5vw;
  }
  
  .memory_container .memory_detail {
    width: 100%;
  }
  
  .memory_container .memory_detail p {
    font-size: 3vw;
  }
  
  .explain_container {
    width: 80%;
    margin: 150px 5%;
  }
  
  .explain_container h3 {
    font-size: 4vw;
    margin-bottom: 20px;
  }
  
  .explain_container p {
    font-size: 2.5vw;
  }
  
  .overview_container {
    width: 90%;
    margin: 0 3%;
    padding-bottom: 100px;
  }
  
  .overview_container h3 {
    font-size: 2.5vw;
    margin-bottom: 15px;
  }
  
  .overview_container h4 {
    font-size: 2.5vw;
    margin-bottom: 15px;
  }
  
  .overview_container p {
    font-size: 2vw;
  }

  .overview_container table tr {
    line-height: 1.5em;
  }

  .overview_container th, td {
    font-size: 2vw;
  }
  
  .join_container {
    width: 90%;
    margin: 0 3%;
    padding-bottom: 100px;
  }
  
  .join_container h3 {
    font-size: 2.5vw;
    margin-bottom: 20px;
  }
  
  .join_container h4 {
    font-size: 2.5vw;
    margin-bottom: 15px;
  }

  .join_container p {
    font-size: 2vw;
  }
  
  .join_container .prev_text {
    font-size: 1.5vw;
  }
  
  .prev_button {
    width: 60%;
    margin-top: 30px;
  }

  .prev_button .btn {
    font-size: 1.8vw;
  }

  footer {
    padding: 8% 10% 0 10%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  footer .footer_launica_logo {
    width: 70%;
  }
  
  footer .footer_text {
    width: 30%;
    text-align: left;
  }
  
  footer .footer_text .company {
    margin-bottom: 15px;
  }

  footer .footer_text .company h4 {
    font-size: 1.5vw;
  }

  footer .footer_text .company p {
    font-size: 1.5vw;
  }

  footer .footer_text .customer {
    margin-bottom: 15px;
  }

  footer .footer_text .customer h4 {
    font-size: 1.5vw;
  }

  footer .footer_text .customer p {
    font-size: 1.5vw;
  }
  
  footer .footer_text .social_media a {
    width: 25px;
    height: 25px;
    margin-right: 10px;
  }
}


@media screen and (max-width: 480px) {
  .artfair_toppage .artfair_title h1 {
    white-space: nowrap;
    font-size: 7vw;
    margin-bottom: 5px;
  }
  
  .artfair_toppage .artfair_title p {
    font-size: 5vw;
  }
  
  .memory_container {
    max-width: 100%;
    padding: 120px 3%;
    box-sizing: border-box;
  }

  .memory_container .memory_title {
    margin-bottom: 50px;
  }
  
  .memory_container .memory_title h2 {
    font-size: 4vw;
  }
  
  .memory_container .memory_title p {
    font-size: 4.5vw;
  }
  
  .memory_container .memory_detail {
    width: 100%;
  }
  
  .memory_container .memory_detail p {
    font-size: 3.5vw;
  }
  
  .explain_container {
    width: 85%;
    margin: 120px 5%;
  }
  
  .explain_container h3 {
    font-size: 5vw;
    margin-bottom: 20px;
  }
  
  .explain_container p {
    font-size: 3.5vw;
  }
  
  .overview_container {
    width: 95%;
    margin: 0 3%;
    padding-bottom: 100px;
  }
  
  .overview_container h3 {
    font-size: 4vw;
    margin-bottom: 15px;
  }
  
  .overview_container h4 {
    font-size: 3.5vw;
    margin-bottom: 15px;
  }
  
  .overview_container p {
    font-size: 3vw;
  }

  .overview_container table tr {
    line-height: 1.5em;
  }

  .overview_container th, td {
    font-size: 3vw;
  }
  
  .join_container {
    width: 95%;
    margin: 0 3%;
    padding-bottom: 100px;
  }
  
  .join_container h3 {
    font-size: 4vw;
    margin-bottom: 20px;
  }
  
  .join_container h4 {
    font-size: 3.5vw;
    margin-bottom: 15px;
  }

  .join_container p {
    font-size: 3vw;
  }
  
  .join_container .prev_text {
    font-size: 2vw;
  }
  
  .prev_button {
    width: 80%;
    margin-top: 20px;
  }

  .prev_button .btn {
    font-size: 2.5vw;
  }

  footer {
    padding: 15% 3% 10% 3%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  footer .footer_launica_logo {
    width: 55%;
  }
  
  footer .footer_text {
    width: 45%;
    text-align: left;
  }
  
  footer .footer_text .company {
    margin-bottom: 12px;
  }

  footer .footer_text .company h4 {
    font-size: 2.5vw;
  }

  footer .footer_text .company p {
    font-size: 2.5vw;
  }

  footer .footer_text .customer {
    margin-bottom: 12px;
  }

  footer .footer_text .customer h4 {
    font-size: 2.5vw;
  }

  footer .footer_text .customer p {
    font-size: 2.5vw;
  }
  
  footer .footer_text .social_media a {
    width: 20px;
    height: 20px;
    margin-right: 8px;
  }
}