/* ===================================
   Anime Ame (雨) Convention Website
   Color Palette:
   - Primary (Dark Blue): #1a1a5e
   - Accent (Gold): #d4a843
   - Background: #ffffff
   - Text/Dark: #111111
   - Section Alt BG: #f0f2f8
   =================================== */

/* --- Reset & Base --- */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: #111111;
  background-color: #ffffff;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: #1a1a5e;
  text-decoration: none;
  transition: color 0.2s;
}

a:hover {
  color: #d4a843;
}

img {
  max-width: 100%;
  height: auto;
  align-items: center;
  justify-content: center;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

ul {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
}

h3 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* --- Navbar --- */

.navbar {
  background-color: #1a1a5e;
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.navbar__logo {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar__logo span {
  color: #d4a843;
}

.navbar__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

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

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

.navbar__menu {
  display: none;
  width: 100%;
  flex-direction: column;
  padding-top: 0.75rem;
}

.navbar__menu.active {
  display: flex;
}

.navbar__menu a {
  color: #ffffff;
  padding: 0.75rem 1rem;
  min-height: 44px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.95rem;
}

.navbar__menu a:hover, .navbar__menu a.active {
  color: #d4a843;
  background-color: rgba(255, 255, 255, 0.05);
}

/* --- Hero --- */

.hero {
  background: linear-gradient(135deg, #1a1a5e 0%, #0d0d3b 100%);
  color: #ffffff;
  padding: 3rem 1rem;
  text-align: center;
}

.hero h1 {
  margin-bottom: 0.5rem;
}

.hero h1 .kanji {
  color: #d4a843;
  font-size: 1.1em;
}

.hero__subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1rem;
}

.hero__details {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: #d4a843;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero__mascot {
  width: 200px;
  height: 250px;
  margin: 1.5rem auto;
  background-color: rgba(255, 255, 255, 0.1);
  border: 2px dashed #d4a843;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

/* --- Buttons --- */

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  min-height: 44px;
  min-width: 44px;
  transition: background-color 0.2s, transform 0.1s;
  border: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn--gold {
  background-color: #d4a843;
  color: #111111;
}

.btn--gold:hover {
  background-color: #c49a38;
  color: #111111;
}

.btn--outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid #d4a843;
}

.btn--outline:hover {
  background-color: #d4a843;
  color: #111111;
}

.btn--dark {
  background-color: #1a1a5e;
  color: #ffffff;
}

.btn--dark:hover {
  background-color: #13134a;
}

/* --- Page Header --- */

.page-header {
  background: linear-gradient(135deg, #1a1a5e 0%, #0d0d3b 100%);
  color: #ffffff;
  padding: 2.5rem 1rem;
  text-align: center;
}

.page-header h1 {
  margin-bottom: 0.5rem;
}

.page-header p {
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
}

/* --- Section --- */

.section {
  padding: 3rem 0;
}

.section--alt {
  background-color: #f0f2f8;
}

.section__title {
  color: #1a1a5e;
  margin-bottom: 1rem;
  text-align: center;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: #d4a843;
  margin: 0.5rem auto 0;
  border-radius: 2px;
}

.section__text {
  max-width: 800px;
  margin: 0 auto 1.5rem;
  text-align: center;
  color: #333;
}

/* --- Cards Grid --- */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 1rem 0;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  border-top: 4px solid #d4a843;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.card h3 {
  color: #1a1a5e;
  margin-bottom: 0.5rem;
}

.card p {
  color: #444;
  font-size: 0.95rem;
}

/* --- Quick Links (Home) --- */

.quick-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1rem 0;
}

.quick-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background-color: #1a1a5e;
  color: #ffffff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  min-height: 44px;
  transition: background-color 0.2s;
}

.quick-links a:hover {
  background-color: #d4a843;
  color: #111111;
}

/* --- Schedule Tabs --- */

.schedule-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 3px solid #1a1a5e;
}

.schedule-tabs button {
  flex: 1;
  padding: 0.75rem 1rem;
  background: #f0f2f8;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a5e;
  min-height: 44px;
  transition: background-color 0.2s, color 0.2s;
}

.schedule-tabs button.active {
  background-color: #1a1a5e;
  color: #ffffff;
}

.schedule-tabs button:hover:not(.active) {
  background-color: #dde0ec;
}

.schedule-panel {
  display: none;
}

.schedule-panel.active {
  display: block;
}

.schedule-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-left: 4px solid #d4a843;
  margin-bottom: 1rem;
  background: #ffffff;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.schedule-item__time {
  font-weight: 700;
  color: #d4a843;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.schedule-item__title {
  font-weight: 600;
  color: #1a1a5e;
  font-size: 1rem;
}

.schedule-item__location {
  font-size: 0.85rem;
  color: #666;
}

/* --- Meetup Tabs --- */

.meetup-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 3px solid #1a1a5e;
}

.meetup-tabs button {
  flex: 1;
  padding: 0.75rem 1rem;
  background: #f0f2f8;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: #1a1a5e;
  min-height: 44px;
  transition: background-color 0.2s, color 0.2s;
}

.meetup-tabs button.active {
  background-color: #1a1a5e;
  color: #ffffff;
}

.meetup-tabs button:hover:not(.active) {
  background-color: #dde0ec;
}

.meetup-panel {
  display: none;
}

.meetup-panel.active {
  display: block;
}

.meetup-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  border-left: 4px solid #d4a843;
  margin-bottom: 1rem;
  background: #ffffff;
  border-radius: 0 8px 8px 0;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
}

.meetup-item__time {
  font-weight: 700;
  color: #d4a843;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.meetup-item__title {
  font-weight: 600;
  color: #1a1a5e;
  font-size: 1rem;
}

.meetup-item__location {
  font-size: 0.85rem;
  color: #666;
}

/* --- Hours Table --- */

.hours-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}

.hours-table th, .hours-table td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid #ddd;
}

.hours-table th {
  background-color: #1a1a5e;
  color: #ffffff;
  font-weight: 600;
}

.hours-table td {
  font-size: 1rem;
}

.hours-table tr:nth-child(even) {
  background-color: #f0f2f8;
}

/* --- Map Wrapper --- */

.map-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  margin: 1.5rem 0;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}

.map-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --- Register Page --- */

.register-box {
  max-width: 500px;
  margin: 0 auto;
  text-align: center;
  padding: 2rem;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-top: 5px solid #d4a843;
}

.register-box .price {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #1a1a5e;
  margin: 1rem 0;
}

.register-box .price span {
  font-size: 0.5em;
  color: #666;
  font-weight: 400;
}

.register-box ul {
  text-align: left;
  margin: 1.5rem 0;
  padding-left: 0;
}

.register-box ul li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: #333;
}

.register-box ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #d4a843;
  font-weight: 700;
}

/* --- Involvement Sections --- */

.involve-section {
  padding: 2rem 0;
  border-bottom: 1px solid #eee;
}

.involve-section:last-child {
  border-bottom: none;
}

.involve-section h3 {
  color: #1a1a5e;
  margin-bottom: 0.5rem;
}

.involve-section h3::before {
  content: '\2605 ';
  color: #d4a843;
}

/* --- Accessibility Features List --- */

.features-list {
  max-width: 800px;
  margin: 0 auto;
}

.features-list li {
  padding: 1rem 0 1rem 2.5rem;
  position: relative;
  border-bottom: 1px solid #eee;
  line-height: 1.5;
}

.features-list li::before {
  content: '\2714';
  position: absolute;
  left: 0;
  font-size: 1.1rem;
  color: #d4a843;
}

/* --- Content Block --- */

.content-block {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.content-block h2 {
  color: #1a1a5e;
  margin: 2rem 0 0.75rem;
}

.content-block h2::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background-color: #d4a843;
  margin-top: 0.4rem;
  border-radius: 2px;
}

.content-block p {
  margin-bottom: 1rem;
  color: #333;
}

.content-block ul {
  margin: 0.5rem 0 1.5rem 1.5rem;
  list-style: disc;
}

.content-block ul li {
  margin-bottom: 0.5rem;
  color: #333;
}

/* --- Footer --- */

.footer {
  background-color: #111111;
  color: #ffffff;
  padding: 2rem 1rem;
  margin-top: auto;
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.footer__logo {
  font-size: 1.2rem;
  font-weight: 700;
}

.footer__logo span {
  color: #d4a843;
}

.footer__info {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__socials {
  display: flex;
  gap: 1rem;
}

.footer__socials a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__socials a:hover {
  color: #d4a843;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 0.5rem;
}

/* --- Tablet (768px+) --- */

@media (min-width: 768px) {
  .navbar__toggle {
    display: none;
  }
}

@media (min-width: 768px) {
  .navbar__menu {
    display: flex;
    width: auto;
    flex-direction: row;
    flex-wrap: wrap;
    padding-top: 0;
    gap: 0;
    justify-content: flex-end;
  }
}

@media (min-width: 768px) {
  .navbar__menu a {
    padding: 0.5rem 0.75rem;
    border-bottom: none;
    font-size: 0.85rem;
  }
}

@media (min-width: 768px) {
  .cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .quick-links {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .hero {
    padding: 4rem 2rem;
  }
}

@media (min-width: 768px) {
  .hero__mascot {
    width: 240px;
    height: 300px;
  }
}

@media (min-width: 768px) {
  .footer__content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 768px) {
  .schedule-item {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
  }
}

@media (min-width: 768px) {
  .schedule-item__time {
    min-width: 120px;
    margin-bottom: 0;
  }
}

/* --- Desktop (1024px+) --- */

@media (min-width: 1024px) {
  .navbar__menu a {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }
}

@media (min-width: 1024px) {
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .quick-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 5rem 2rem;
  }
}

@media (min-width: 1024px) {
  .hero__mascot {
    width: 280px;
    height: 350px;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: 4rem 0;
  }
}

.meetup-tabs {
  gap: 0;
  margin-bottom: 1.5rem;
}