@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&family=Noto+Sans+JP:wght@400;500;700&display=swap');

:root {
  --bg-color: #ffffff;
  --text-color: #1a1a1a;
  --accent-color: #000000;
  --border-color: #e5e5e5;
  --hover-color: #666666;
}

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

body {
  font-family: "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体", "Noto Sans JP", sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  font-size: 16px;
  letter-spacing: 0.05em;
}

a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--hover-color);
}

/* Header & Navigation */
header {
  padding: 2rem 5%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo a {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-menu li a {
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  z-index: 1000;
  position: relative;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-color);
  transition: all 0.3s ease;
}

/* Main Content */
main {
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
  min-height: calc(100vh - 200px);
}

.section-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* Profile Section */
.profile-section {
  display: flex;
  gap: 4rem;
  align-items: flex-start;
  margin-top: 2rem;
}

.profile-image {
  flex: 1;
  max-width: 400px;
}

.profile-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: cover;
  background-color: #f0f0f0;
  border-radius: 4px;
}

.profile-info {
  flex: 2;
}

.profile-name {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

.profile-bio {
  margin-bottom: 2rem;
  color: #444;
}

.achievement-list {
  list-style: none;
}

.achievement-list li {
  margin-bottom: 0.8rem;
  padding-left: 1.5rem;
  position: relative;
}

.achievement-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--hover-color);
}

/* Works Gallery */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.work-item {
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 4px;
  transition: transform 0.3s ease;
  position: relative;
}

.latest-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: #e60012;
  color: #fff;
  padding: 0.3rem 0.8rem;
  font-size: 0.8rem;
  font-weight: bold;
  border-radius: 4px 0 8px 0;
  z-index: 10;
  pointer-events: none;
  letter-spacing: 1px;
  box-shadow: 2px 2px 5px rgba(0,0,0,0.3);
}

.work-item:hover {
  transform: translateY(-5px);
}

.work-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background-color: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  margin-bottom: 1rem;
  border-radius: 2px;
}

.work-title {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.work-desc {
  font-size: 0.9rem;
  color: #666;
}

/* Band Section */
.band-hero {
  text-align: center;
  margin-bottom: 4rem;
}

.band-image {
  width: 100%;
  max-width: 800px;
  aspect-ratio: 21/9;
  background-color: #f0f0f0;
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #999;
  border-radius: 4px;
}

.band-concept {
  max-width: 800px;
  margin: 0 auto 3rem;
  text-align: center;
}

/* Contact Form */
.contact-container {
  max-width: 600px;
  margin: 0 auto;
}

.sns-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.sns-links a {
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.sns-links a:hover {
  background-color: var(--accent-color);
  color: var(--bg-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

.submit-btn {
  background-color: var(--accent-color);
  color: var(--bg-color);
  border: none;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: 4px;
  width: 100%;
  transition: background-color 0.3s ease;
}

.submit-btn:hover {
  background-color: var(--hover-color);
}

/* YouTube Thumbnail & Modal */
.youtube-thumbnail {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  background-color: #000;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 1rem;
}

.youtube-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.youtube-thumbnail:hover img {
  opacity: 1;
}

/* Play Icon Overlay */
.youtube-thumbnail::after {
  content: '\f144'; /* FontAwesome play-circle icon */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.9);
  transition: color 0.3s ease;
  pointer-events: none; /* Prevents icon from blocking clicks */
}

.youtube-thumbnail:hover::after {
  color: #ff0000; /* YouTube Red on hover */
}

/* Video Modal */
.video-modal {
  display: none; /* Hidden by default */
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.9); /* Dark background */
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.video-modal.active {
  display: flex; /* Show when active */
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 1000px;
  aspect-ratio: 16/9;
  background-color: #000;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.video-modal-content iframe {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
}

.video-modal-close:hover {
  color: #ccc;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: #666;
}

/* Works Tabs */
.works-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.8rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  background-color: var(--bg-color);
  color: var(--text-color);
  border: 2px solid var(--text-color);
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tab-btn:hover {
  background-color: var(--hover-color);
  color: var(--bg-color);
  border-color: var(--hover-color);
}

.tab-btn.active {
  background-color: var(--text-color);
  color: var(--bg-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Band Members Grid */
.members-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto;
}

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

.member-image {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 0.8rem;
  background-color: #f0f0f0;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .members-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .works-grid {
    grid-template-columns: 1fr;
  }

  .member-card h3 {
    font-size: 1.05rem !important;
  }

  .member-card p {
    font-size: 0.8rem !important;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 250px;
    height: 100vh;
    background-color: var(--bg-color);
    flex-direction: column;
    padding: 80px 2rem 2rem;
    border-left: 1px solid var(--border-color);
    transition: right 0.3s ease;
    z-index: 999;
  }

  .nav-menu.active {
    right: 0;
  }

  .hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.active span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .profile-section {
    flex-direction: column;
    gap: 2rem;
  }
  
  .profile-image {
    max-width: 100%;
  }
}