* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px;
  line-height: 1.6;
  color: #000;
  background: #fff;
}

header {
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 100;
}

header .menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 15px;
}

header .menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background: #fff;
}

header .nav-menu {
  display: flex;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0);
  transition: .3s ease-in-out;
  padding: 6px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
}

header .nav-menu.scrolled {
  background: rgba(0, 0, 0, 0.5);
}

header .nav-menu ul {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 10px 20px;
}

header .nav-menu ul li {
  margin: 0 15px;
}

header .nav-menu ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 5px 0;
  display: inline-block;
}

header .nav-menu ul li a:hover {
  border-bottom: 2px solid #fff;
}

header .nav-menu ul li a.active {
  border-bottom: 2px solid #fff;
}

header .menu-overlay {
  display: none;
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-right: 20px;
}

.social-icons img {
    object-fit: contain;
    transition: transform 0.3s ease, filter 0.3s ease;
}

.social-icons .social-icons-x{
  width: 16px;
  height: 16px;
  padding-bottom: 2px;
}

.social-icons .social-icons-youtube{
  
  width: 20px;
  height: 20px;
}

.social-icons a:hover img {
    transform: scale(1.3);
    filter: brightness(1.2);
}

#hero {
  position: relative;
  text-align: center;
  padding: 0;
  background: #000;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: 100vh;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('images/cover.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#hero .hero-text {
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
}

#hero .hero-text p {
  margin-bottom: 10px;
}

#hero .hero-cta {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 70%;
  margin: 20px 0;
}

.scroll-down-arrow {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  text-decoration: none;
  font-size: 0;
}

.scroll-down-arrow:hover {
  opacity: 0.8;
}

section {
  padding: 60px 20px;
}

.text-center {
  text-align: center;
}

#projects {
  background-color: black;
  color: white;
  padding: 60px 20px;
}

#projects h2 {
  margin-bottom: 30px;
}

#projects .project-anime {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease-out, transform 1s ease-out;
}

#projects .project-anime.visible {
  opacity: 1;
  transform: translateY(0);
}

#projects .project-list h3 {
  margin-top: 20px;
  margin-bottom: 5px;
  font-weight: 600;
}

#projects .project-list p {
  margin-bottom: 15px;
}

#about {
  background-color: black;
  display: flex;
  align-items: stretch;
  padding: 80px 20px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('images/cover2.webp');
}

#about .about-text {
  flex: 1;
  color: white;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 80%;
  margin: auto;
}

#about .about-text h2 {
  margin-bottom: 30px;
}

#about .about-text p {
  font-size: 16px;
}

#about .about-text-top-margin {
  margin-top: 30px;
}

#about .about-text a {
  color: #FFD700;
  text-decoration: none;
  font-weight: bold;
}

#about .about-text a:hover {
  color: #FFA500;
  text-decoration: underline;
}

#about .about-text a:active {
  color: #FF4500;
}

#about .about-text a:visited {
  color: #ADFF2F;
}

#application {
  background-color: #000;
}

#application img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 30px;
}

#application h1 {
  font-size: 48px;
  margin-bottom: 20px;
}

#application h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
}

#application {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
  color: white;
  text-align: center;
  overflow: hidden;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('images/cover3.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.application_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.application_container {
  position: relative;
  z-index: 10;
  width: 80%;
  max-width: 900px;
  padding: 40px;

  border-radius: 10px;
}

.application_container h1 {
  text-align: left;
  font-size: 32px;
  margin-bottom: 20px;
}

.application_container h3 {
  text-align: left;
  font-size: 20px;
  margin-bottom: 15px;
}

.application_container p {
  text-align: left;
  margin-bottom: 15px;
}

.roles {
  text-align: left;
  margin-top: 14px;
}

.roles ul {
  list-style: disc;
  padding-left: 30px;
  margin-top: 50px;
  margin-bottom: 20px;
}

.roles ul ul {
  margin-top: 20px;
  list-style: circle;
  padding-left: 20px;
}

.roles li {
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  font-weight: 600;
  text-decoration: none;
  margin-top: 50px;
  padding: 12px 24px;
  border-radius: 5px;
}

.btn-primary {
  background: #d6d6d6;
  color: #000;
  border: 2px solid #D6D6D6;
}

.btn-primary:hover {
  background: #ffffff;
  border: 2px solid #fff;
}

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
}

footer {
  background-color: #000;
  text-align: center;
  padding: 20px;
}

footer .left-link {
  flex: 1;
  color: white;
  text-align: left;
}

footer .right-link {
  flex: 1;
  color: white;
  text-align: right;
}

.footer-links {
  display: flex;
  text-decoration: none;
  margin: 0 10px;
  font-size: 14px;
}

.footer-links a {
  color: #fff;
}

.footer-links a:hover {
  text-decoration: underline;
}

/* Guide line page*/
#guide-line {
  position: relative;
  text-align: center;
  padding: 0;
  background: #000;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: auto;
  background:
    linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url('images/cover4.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#guide-line .guide-line-area {
  padding-top: 10vh;
  text-align: left;
  max-width: 900px;
  margin: auto;
}

#guide-line h2 {
  text-align: center;
  font-size: 24px;
  color: rgb(176, 195, 231);
}

/* Announcement page*/
#announcement {
  position: relative;
  text-align: center;
  padding-top: 10vh;
  height: 100vw;
  background: #000;
}

#announcement h2 {
  font-size: 46px;
  margin-bottom: 3vw;
}

#announcement .announcement-area {
  margin: auto;
  color: white;
}

/* Gallery page*/

#gallery-hero {
  position: relative;
  text-align: center;
  padding: 0;
  background: #000;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: 100vh;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('images/cover5.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#gallery-hero .hero-text {
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
}

#gallery-hero .gallery-text {
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;

}

.gallery-text h2 {
  padding-bottom: 2vw;
  font-size: 50px;
}

.gallery-text p {
  padding-bottom: 2vw;
  font-size: 16px;
}

#gallery-about {
  background-color: #000;
}

#gallery-about .about-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  max-width: 80%;
  margin: auto;
  padding: 50px 20px;
}

#gallery-about .about-image {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-width: 500px;
}

#gallery-about .about-image img {
  max-width: 500px;
  max-height: auto;
  width: auto;
  height: auto;
  object-fit: contain;
}

#gallery-about p {
  color: #fff;

}

#gallery-about .about-text {
  flex: 2;
  text-align: left;
  min-width: 300px;
  color: #fff;
}

/* Album_info */

#album_info {
  background-color: black;
  display: flex;
  align-items: stretch;
  padding: 80px 20px;
  background:
    linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
    url('images/cover2.webp');
}

#album_info .about-text {
  flex: 1;
  color: white;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 80%;
  margin: auto;
}

#album_info .about-text h2 {
  margin-bottom: 30px;
}

#album_info .pending {
  font-size: 10px;
}

#album_info .about-text .normal {
  font-size: 20px;
}

#album_info .about-text .pending {
  margin-top: 2vh;
  font-size: 15px;
}

#album_info .about-text-top-margin {
  margin-top: 30px;
}

#album_info .about-text a {
  color: #FFD700;
  text-decoration: none;
  font-weight: bold;
}

#album_info .about-text a:hover {
  color: #FFA500;
  text-decoration: underline;
}

#album_info .about-text a:active {
  color: #FF4500;
}

#album_info .about-text a:visited {
  color: #ADFF2F;
}

/* member page*/
#member-top {
  position: relative;
  text-align: center;
  padding: 0;
  background: #000;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: auto;
  /*background:
    linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url('images/cover4.webp');
    background-size: cover;
  background-position: center;
  background-repeat: no-repeat;*/
  background-color: #000;
}

#member-top .member-top-area {
  padding-top: 10vh;
  text-align: center;
  max-width: 900px;
  margin: auto;
}

#member-top h2 {
  text-align: center;
  font-size: 24px;
  color: rgb(176, 195, 231);
}

/* members */

#members {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 0;
  background: #142B57;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: 100vh;
}

#members .members-area {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  justify-content: space-between;
  text-align: left;
  width: 100%;
}

#members .members-text {
  flex: 1;
  padding: 20px;
  max-width: 50%;
  min-width: 40%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#members .members-image {
  flex: 1;
  position: relative;
  max-width: 50%;
  overflow: hidden;
}

#members .members-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#members h2 {
  font-size: 58px;
  color: rgb(255, 255, 255);
}

/* summary page*/
#summary {
  position: relative;
  text-align: center;
  padding: 0;
  background: #000;
  color: #fff;
  z-index: 10;
  width: 100%;
  height: auto;
  background:
    linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)),
    url('images/cover4.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

#summary .summary-area {
  padding-top: 10vh;
  text-align: center;
  max-width: 900px;
  margin: auto;
  height: 100vh;
}

#summary h2 {
  text-align: center;
  font-size: 24px;
  color: rgb(176, 195, 231);
}


@media (max-width: 768px) {
  header .menu-toggle {
    z-index: 101;
    position: fixed;
    display: block;
  }

  header .nav-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
  }

  header .nav-menu ul {
    flex-direction: column;
    padding: 60px 20px;
  }

  header .nav-menu ul li {
    margin: 15px 0;
  }

  header .menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 10;
  }

  #about {
    flex-direction: column;
  }

  #about .about-image,
  #about .about-text {
    width: 100%;
  }

  #application h1 {
    font-size: 36px;
  }

  #application h3 {
    font-size: 20px;
  }

  /* members mobile view*/

  #members {
    flex-direction: column;
    height: auto;
  }

  #members .members-area {
    flex-direction: column;
  }

  #members .members-image {
    max-width: 100%;
    height: 300px;
  }

  #members .members-image img {
    position: relative;
    height: 100%;
  }

  #members .members-text {
    max-width: 100%;
    min-width: 100%;
    padding: 20px;
  }
}

@media (max-width: 1280px) {
  body {
    font-size: 16px;
  }

  #application h1 {
    font-size: 48px;
  }

  #application h3 {
    font-size: 20px;
  }

  #projects h2 {
    font-size: 30px;
  }

  #projects .project-list h3 {
    font-size: 20px;
  }


}