/* === GLOBAL DESIGN SYSTEM === */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Zen+Maru+Gothic:wght@400;700;900&display=swap');

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

:root {
  /* Colors: Cool & Pop */
  --color-background: #1a1a2e; /* 深い夜空のような背景 */
  --color-text: #2c2c3a; 
  --color-primary: #8338ec; 
  --color-secondary: #ffbe0b; 
  --color-white: #ffffff;

  /* Typography */
  --font-base: 'Zen Maru Gothic', sans-serif;
  --font-display: 'Montserrat', sans-serif;

  /* Layout */
  --container-width: 1200px;
  --spacing-unit: 10px; /* 8の倍数で余白を管理 */
  
  /* Responsive Breakpoints */
  --mobile: 480px;
  --tablet: 768px;
  --desktop: 1024px;
  --large-desktop: 1440px;
}

/* Tailwind-like Utility Classes for Hero Section */
.w-full { width: 100%; }
.max-w-md { max-width: 28rem; }
.max-w-xs { max-width: 20rem; }
.text-left { text-align: left; }
.mt-auto { margin-top: auto; }
.mt-3 { margin-top: 0.75rem; }
.mb-3 { margin-bottom: 0.75rem; }
.p-2 { padding: 0.5rem; }
.p-6 { padding: 1.5rem; }
.text-base { font-size: 1rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-5xl { font-size: 3rem; }
.text-white { color: white; }
.text-gray-200 { color: #e5e7eb; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-jp-rounded { font-family: var(--font-base); }
.leading-tight { line-height: 1.25; }
.rounded-lg { border-radius: 0.5rem; }
.inline-block { display: inline-block; }
.self-start { align-self: flex-start; }
.bg-black\/30 { background-color: rgba(0, 0, 0, 0.3); }
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }

/* Responsive classes */
@media (min-width: 640px) {
  .sm\\:p-8 { padding: 2rem; }
  .sm\\:text-6xl { font-size: 3.75rem; }
}

@media (min-width: 768px) {
  .md\\:max-w-2xl { max-width: 42rem; }
  .md\\:max-w-sm { max-width: 24rem; }
  .md\\:text-lg { font-size: 1.125rem; }
  .md\\:text-7xl { font-size: 4.5rem; }
}

/* Animation Classes */
.animate-fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease-out forwards;
}

.animation-delay-200 { animation-delay: 0.2s; }
.animation-delay-400 { animation-delay: 0.4s; }
.animation-delay-600 { animation-delay: 0.6s; }
.animation-delay-800 { animation-delay: 0.8s; }
.animation-delay-1000 { animation-delay: 1.0s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Header Styles */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
  background-color: rgba(44, 44, 58, 0.8); /* 背景色を変更して視認性を向上 */
  backdrop-filter: blur(5px); /* 軽いぼかしを初期状態で適用 */
  -webkit-backdrop-filter: blur(5px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* 影を追加して立体感を出す */
}

#header.scrolled {
  background-color: rgba(44, 44, 58, 0.95); /* スクロール後の背景色も変更 */
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); /* スクロール後は影を少し強くする */
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
  max-width: var(--container-width);
  margin: 0 auto;
}

.navbar-brand .logo {
  text-decoration: none;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.navbar-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: calc(var(--spacing-unit) * 4);
}

.navbar-menu li a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: color 0.3s ease;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}

.navbar-menu li a:hover {
  color: var(--color-secondary);
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.navbar-toggle span {
  width: 25px;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all 0.3s ease;
}

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

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

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

/* Tablet Styles */
@media (max-width: 1024px) {
  .navbar {
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 2);
  }
  
  .logo-text {
    font-size: 1.3rem;
  }
  
  .navbar-menu {
    gap: calc(var(--spacing-unit) * 3);
  }
  
  .navbar-menu li a {
    font-size: 0.9rem;
  }
}

/* Mobile Menu Styles */
@media (max-width: 768px) {
  .navbar-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(44, 44, 58, 0.98);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    flex-direction: column;
    padding: calc(var(--spacing-unit) * 4);
    gap: calc(var(--spacing-unit) * 3);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1001;
  }

  .navbar-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-menu li {
    text-align: center;
  }

  .navbar-menu li a {
    font-size: 1.2rem;
    display: block;
    padding: calc(var(--spacing-unit) * 2);
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 2);
  }
  
  .logo-text {
    font-size: 1.1rem;
  }
  
  .navbar-menu {
    padding: calc(var(--spacing-unit) * 3);
  }
  
  .navbar-menu li a {
    font-size: 1.1rem;
    padding: calc(var(--spacing-unit) * 1.5);
  }
}

/* Base Styles & Typography */
body {
  background-color: var(--color-background);
  background-image: url('../images/background-main.png');
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
  background-repeat: no-repeat;
  color: var(--color-white);
  font-family: var(--font-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

h1, h2, h3 {
  font-weight: 900;
}

/* Global Button Style */
.cta-button {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(131, 56, 236, 0.3);
}

.cta-button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(131, 56, 236, 0.4);
}

/* Hero CTA Button Override */
#hero .cta-button {
  background-color: var(--color-secondary);
  color: #4a1a6b;
  box-shadow: 0 4px 15px rgba(255, 190, 11, 0.3);
}

#hero .cta-button:hover {
  box-shadow: 0 8px 25px rgba(255, 190, 11, 0.4);
}

/* === Section & Container Styles === */
section {
    padding: calc(var(--spacing-unit) * 12) 0;
    width: 100%;
    box-sizing: border-box;
    margin: 0;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
    box-sizing: border-box;
    width: 100%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: calc(var(--spacing-unit) * 6);
    font-family: var(--font-display);
    color: var(--color-white);
    text-shadow: 0 3px 12px rgba(44, 44, 58, 0.5), 0 0 5px var(--color-primary);
}


/* === 5.1. Hero Section === */
#hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    width: 100%;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
}

.hero-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Hero Container - Responsive Layout */
.hero-container {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    padding: 6rem 3rem;
    box-sizing: border-box;
}

/* メインコンテンツエリア */
.hero-main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    width: 100%;
    max-width: fit-content; /* コンテンツ幅に合わせる */
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
}

/* 日付バッジ */
.hero-date-badge {
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 0.5rem 1.2rem; /* 少しパディングを調整 */
    border-radius: 0.5rem;
    margin-bottom: 1rem; /* タイトルとの間隔を調整 */
}

/* タイトルとキャッチコピーのグルーピング */
.hero-text-group {
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    display: inline-block;
}

/* メインタイトル */
.hero-main-title {
    font-family: var(--font-base);
    font-weight: 900; /* 太字 */
    font-size: clamp(2.5rem, 8vw, 5rem); /* レスポンシブフォントサイズ */
    color: var(--color-white);
    line-height: 1.1;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.6);
    margin: 0;
    padding: 0;
    white-space: nowrap; /* 改行を防ぐ */
}

/* 説明文 */
.hero-description {
    color: #e5e7eb;
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    line-height: 1.5;
    max-width: 100%; /* 横幅を親要素に合わせる */
    margin: 0.5rem 0 0; /* タイトルとの間隔 */
    font-weight: 700; /* 少し太く */
}

/* 日付表示のp要素のマージン除去 */
.hero-date-badge p {
    margin: 0;
}

/* バッジラッパー - 左右対称で距離を離す */
.hero-badges-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 600px;
    margin: 1.5rem 0;
    padding: 0 4rem;
    align-self: center;
}

/* CTAラッパー */
.hero-cta-wrapper {
    width: 100%;
    text-align: center;
    margin-bottom: 3rem;
    align-self: center;
}

/* レスポンシブ対応 */
/* モバイル（480px以下） */
@media (max-width: 480px) {
    .hero-container {
        /* ヘッダーと重ならないように上の余白を増やす */
        padding: 10rem 1.5rem 2.5rem; 
    }
    
    .hero-main-content {
        align-items: flex-start; /* 左揃え（スマホのみ） */
        justify-content: flex-start; /* 上寄せ（スマホのみ） */
        text-align: left; /* 左揃え（スマホのみ） */
    }
    
    .hero-main-title {
        font-size: clamp(2rem, 10vw, 2.5rem); /* さらに小さく */
        white-space: nowrap; /* 改行を防ぐ */
    }
    
    .hero-text-group {
        padding: 0.8rem 1rem;
    }
    
    .hero-description {
        font-size: clamp(0.9rem, 4vw, 1rem);
    }

    .hero-badges-wrapper {
        display: none;
    }
    
    .feature-badge {
        width: 100px;
        height: 100px;
    }
    
    .hero-date-badge {
        padding: 0.2rem 0.8rem;
    }
    
    .hero-cta-wrapper {
        margin-bottom: 1.5rem;
    }
}

/* タブレット（481px - 768px） */
@media (min-width: 481px) and (max-width: 768px) {
    .hero-container {
        padding: 8rem 2rem; /* パディングを調整 */
    }
    
    .hero-main-content {
        align-items: flex-start; /* 左配置 */
        justify-content: flex-start; /* 上寄せ */
        text-align: left;    /* テキストは左揃え */
    }
    
    .hero-main-title {
        font-size: clamp(2.5rem, 8vw, 3.5rem); /* サイズ調整 */
        white-space: nowrap; /* 改行を防ぐ */
    }
    
    .hero-text-group {
        padding: 1rem 1.2rem;
        text-align: left; /* 左揃え */
    }
    
    .hero-badges-wrapper {
        justify-content: space-around; /* 中央に寄せる */
        max-width: 450px;
        padding: 0;
        margin: 1.5rem auto;
    }
    
    .feature-badge {
        width: 110px;
        height: 110px;
    }
}

/* PC（769px以上） */
@media (min-width: 769px) {
    .hero-container {
        padding: 6rem 4rem; /* パディングを調整 */
    }
    
    .hero-main-content {
        margin-bottom: 1rem;
        padding-bottom: 0.8rem;
    }
    
    .hero-main-title {
        font-size: clamp(4rem, 8vw, 5rem);
    }
    
    .hero-description {
        font-size: 1.25rem;
    }
    
    .hero-badges-wrapper {
        justify-content: space-between;
        max-width: 700px;
        padding: 0 6rem;
    }
    
    .feature-badge {
        width: 140px;
        height: 140px;
    }
    
    .hero-date-badge {
        padding: 0.6rem 1.2rem;
    }
}

/* Hero title and catchphrase styles are now handled by utility classes */

/* Old feature-badges-container styles removed - now using hero-badges-wrapper */

.feature-badge {
    position: relative;
    width: 120px;
    height: 120px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 1;
    transform: scale(1);
}

.feature-badge:hover {
    transform: translateY(-8px) scale(1.02);
}

.feature-badge a {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    height: 100%;
    text-decoration: none;
    padding: 15px 15px 15px 15px;
    overflow: hidden;
    border-radius: 50%;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15), 
                0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.feature-badge a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.4);
    opacity: 1;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.feature-badge:hover a::before {
    opacity: 0.8;
}

.feature-badge-icon {
    font-size: 2.5rem;
    margin-bottom: 5px;
    margin-top: 10px;
    transition: transform 0.3s ease;
    z-index: 2;
    position: relative;
}

.feature-badge:hover .feature-badge-icon {
    transform: scale(1.15);
}

.feature-badge-text {
    font-size: 0.9rem;
    font-weight: 700;
    text-align: center;
    line-height: 1.1;
    letter-spacing: 0.2px;
    z-index: 2;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 0 5px;
    hyphens: auto;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.feature-badge.stamp-rally a {
    background: linear-gradient(135deg, #ffb986, #ff9f66);
    color: #ffffff;
    border: 3px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(255, 185, 134, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2) inset,
                0 0 20px rgba(255, 185, 134, 0.3);
}

.feature-badge.stamp-rally:hover a {
    box-shadow: 0 15px 40px rgba(255, 185, 134, 0.6),
                0 0 0 1px rgba(255, 255, 255, 0.3) inset,
                0 0 30px rgba(255, 185, 134, 0.4);
}

.feature-badge.stamp-rally a::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.2) 50%, 
        transparent 70%);
    transform: rotate(45deg) translateY(-50%);
    transition: transform 0.6s;
}

.feature-badge.stamp-rally:hover a::after {
    transform: rotate(45deg) translateY(50%);
}

.feature-badge.night-marche a {
    background: linear-gradient(135deg, #bde2ff, #9dd1ff);
    color: #2c5aa0;
    border: 3px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(189, 226, 255, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.2) inset,
                0 0 20px rgba(189, 226, 255, 0.3);
}

.feature-badge.night-marche:hover a {
    box-shadow: 0 15px 40px rgba(189, 226, 255, 0.6),
                0 0 0 1px rgba(255, 255, 255, 0.3) inset,
                0 0 30px rgba(189, 226, 255, 0.4);
}

.feature-badge.night-marche a::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(-45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.2) 50%, 
        transparent 70%);
    transform: rotate(-45deg) translateY(-50%);
    transition: transform 0.6s;
}

.feature-badge.night-marche:hover a::after {
    transform: rotate(-45deg) translateY(50%);
}


.hero-bottom-info {
    margin-top: 1rem;
    text-align: left;
}

.hero-date-time {
    background-color: rgba(0,0,0,0.6);
    padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
    border-radius: 8px;
    margin-bottom: calc(var(--spacing-unit) * 3);
    display: inline-block;
}

.hero-date, .hero-time {
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 700;
    margin: 0 calc(var(--spacing-unit) * 1);
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

#hero .cta-button {
    background-color: var(--color-secondary);
    color: var(--color-text);
}

/* Large Desktop Hero */
@media (min-width: 1440px) {
    #hero {
        min-height: 100vh;
    }
    
    .hero-title {
        font-size: clamp(4rem, 6vw, 6rem);
    }
    
    .hero-catchphrase {
        font-size: clamp(2rem, 3vw, 2.5rem);
    }
    
    .feature-badges-container {
        top: 70%;
    }
    
    .feature-badge {
        width: 200px;
        height: 200px;
    }
    
    .feature-badge-icon {
        font-size: 3rem;
        margin-top: 15px;
    }
    
    .feature-badge-text {
        font-size: 1rem;
    }
}

/* Desktop Hero (small PC widths) */
@media (min-width: 1024px) and (max-width: 1439px) {
    .hero-title {
        font-size: clamp(3.5rem, 6vw, 5rem);
    }
    
    .hero-catchphrase {
        font-size: clamp(1.8rem, 3vw, 2.2rem);
    }
    
    .feature-badges-container {
        top: 69%;
    }

    /* Ensure circular badges are large enough so text doesn't overflow
       around ~1270px viewport widths */
    .feature-badge {
        width: 170px;
        height: 170px;
    }
}

/* Tablet Hero */
@media (max-width: 1024px) and (min-width: 769px) {
    #hero {
        min-height: 90vh;
    }
    
    .hero-title {
        top: 18%;
        left: 6%;
        font-size: clamp(2.8rem, 5vw, 4rem);
    }
    
    .hero-catchphrase {
        top: 32%;
        right: 6%;
        font-size: clamp(1.5rem, 2.5vw, 1.8rem);
    }
    
    .feature-badges-container {
        top: 65%;
        width: 75%;
        max-width: 700px;
        min-width: 350px;
    }
    
    .feature-badge {
        width: 170px;
        height: 170px;
    }
    
    .feature-badge-icon {
        font-size: 2.5rem;
        margin-top: 12px;
    }
    
    .feature-badge-text {
        font-size: 0.9rem;
    }
}

/* Mobile Hero */
@media (max-width: 768px) {
    #hero { 
        min-height: 100vh;
        max-height: none;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero-content {
        position: relative;
        width: 100%;
        height: 100%;
        padding: 0;
    }
    
    .hero-title { 
        position: absolute;
        top: 15%; 
        left: 5%; 
        right: 5%; 
        text-align: center;
        font-size: clamp(2rem, 7vw, 3rem);
        margin: 0;
        padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    }
    
    .hero-catchphrase { 
        position: absolute;
        top: 30%; 
        left: 5%; 
        right: 5%; 
        text-align: center;
        font-size: clamp(1.1rem, 3.5vw, 1.5rem);
        margin: 0;
        padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2);
    }
    
    .feature-badges-container {
        top: 62%;
        width: 90%;
        max-width: 500px;
        min-width: 280px;
    }
    
    .feature-badge { 
        position: relative;
        width: 140px; 
        height: 140px; 
    }
    
    .hero-bottom-info { 
        position: absolute;
        width: 90%; 
        bottom: 8%;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .feature-badge-icon { 
        font-size: 1.8rem; 
        margin-top: 8px;
    }
    
    .feature-badge-text { 
        font-size: 0.8rem; 
        line-height: 1;
    }
}

@media (max-width: 480px) {
    #hero {
        min-height: 100vh;
        min-height: 100dvh; /* Dynamic viewport height for mobile browsers */
    }
    
    .hero-title {
        top: 12%;
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 1.5);
    }
    
    .hero-catchphrase {
        top: 28%;
        font-size: clamp(1rem, 4vw, 1.3rem);
        padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 1.5);
    }
    
    .feature-badges-container {
        top: 58%;
        width: 95%;
        max-width: 300px;
        min-width: 220px;
    }
    
    .feature-badge {
        width: 120px;
        height: 120px;
    }
    
    .feature-badge-icon {
        font-size: 1.6rem;
        margin-bottom: 3px;
        margin-top: 5px;
    }
    
    .feature-badge-text {
        font-size: 0.7rem;
        line-height: 0.9;
    }
    
    .hero-bottom-info {
        bottom: 5%;
        width: 95%;
    }
    
    .hero-date-time {
        padding: calc(var(--spacing-unit) * 0.5) calc(var(--spacing-unit) * 1.5);
        margin-bottom: calc(var(--spacing-unit) * 0.25);
    }
    
    .hero-date, .hero-time {
        font-size: clamp(0.9rem, 3.5vw, 1.1rem);
        margin: 0 calc(var(--spacing-unit) * 0.25);
        display: block;
    }
    
    .cta-button {
        padding: calc(var(--spacing-unit) * 1.5) calc(var(--spacing-unit) * 3);
        font-size: 0.9rem;
    }
}

/* Remove old animation keyframes and styles */

/* === Introduction Section === */
#introduction {
    background: linear-gradient(135deg, 
        rgba(44, 44, 58, 0.8) 0%,        /* 元の紺色ベース */
        rgba(255, 182, 193, 0.12) 25%,   /* 控えめなライトピンク */
        rgba(131, 56, 236, 0.15) 45%,    /* 元の紫色 */
        rgba(255, 215, 0, 0.08) 65%,     /* 控えめなゴールド */
        rgba(44, 44, 58, 0.9) 85%,       /* 再び紺色 */
        rgba(255, 190, 11, 0.1) 100%);   /* 控えめな黄色 */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-top: 2px solid rgba(255, 190, 11, 0.3);
    border-bottom: 2px solid rgba(131, 56, 236, 0.3);
    padding: calc(var(--spacing-unit) * 12) 0;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 10px 30px rgba(0, 0, 0, 0.15), 
                inset 0 -10px 30px rgba(131, 56, 236, 0.05);
}

.introduction-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-white);
    position: relative;
    z-index: 2;
    padding: 0 calc(var(--spacing-unit) * 2);
}

.introduction-title {
    font-size: 2.2rem;
    font-family: var(--font-base);
    font-weight: 700;
    margin-bottom: calc(var(--spacing-unit) * 5);
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    line-height: 1.5;
    color: var(--color-white);
}

.introduction-text {
    font-size: 1.1rem;
    line-height: 2.2;
    font-weight: 400;
}

.introduction-text p {
    margin-bottom: calc(var(--spacing-unit) * 3);
    opacity: 0.9;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.introduction-text p:last-child {
    margin-bottom: 0;
}

br.sp-only {
    display: none;
}

/* Magic Frame Decorations */
/* Magic Particles Container */
.magic-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
    overflow: hidden;
}

.magic-frame-left, .magic-frame-right {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    pointer-events: none;
    z-index: 2;
    opacity: 0.6;
}

.magic-frame-left {
    left: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 400'%3E%3Cpath d='M0,0 Q50,50 0,100 T0,200 Q50,250 0,300 T0,400' stroke='%23ffbe0b' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

.magic-frame-right {
    right: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 400'%3E%3Cpath d='M100,0 Q50,50 100,100 T100,200 Q50,250 100,300 T100,400' stroke='%238338ec' stroke-width='2' fill='none'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

/* Floating Geometric Shapes */
#introduction::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 8%;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, 
        rgba(255, 190, 11, 0.6) 0%, 
        rgba(255, 152, 0, 0.4) 100%);
    border-radius: 50% 10% 50% 10%;
    transform: rotate(45deg);
    opacity: 0.4;
    animation: floatShape1 12s ease-in-out infinite;
    z-index: 1;
    filter: blur(1px);
}

#introduction::after {
    content: '';
    position: absolute;
    bottom: 15%;
    right: 12%;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, 
        rgba(131, 56, 236, 0.6) 0%, 
        rgba(161, 95, 251, 0.4) 100%);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    transform: rotate(15deg);
    opacity: 0.5;
    animation: floatShape2 10s ease-in-out infinite reverse;
    z-index: 1;
    filter: blur(1px);
}

@keyframes floatShape1 {
    0%, 100% {
        transform: rotate(45deg) translateY(0px) scale(1);
        opacity: 0.4;
    }
    25% {
        transform: rotate(90deg) translateY(-15px) scale(1.1);
        opacity: 0.6;
    }
    50% {
        transform: rotate(135deg) translateY(-25px) scale(0.9);
        opacity: 0.3;
    }
    75% {
        transform: rotate(180deg) translateY(-10px) scale(1.05);
        opacity: 0.5;
    }
}

@keyframes floatShape2 {
    0%, 100% {
        transform: rotate(15deg) translateY(0px) scale(1);
        opacity: 0.5;
    }
    33% {
        transform: rotate(45deg) translateY(-20px) scale(1.15);
        opacity: 0.3;
    }
    66% {
        transform: rotate(75deg) translateY(-30px) scale(0.85);
        opacity: 0.7;
    }
}

/* === News Section === */
#news {
    background-color: transparent;
    padding: calc(var(--spacing-unit) * 10) 0;
    position: relative;
}

.news-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    padding: 0 calc(var(--spacing-unit) * 2);
    display: grid;
    gap: calc(var(--spacing-unit) * 4); /* keep clear gap below card even on hover */
}

.news-placeholder {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: calc(var(--spacing-unit) * 6);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 0;
}

.news-placeholder:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
}

.news-icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: calc(var(--spacing-unit) * 3);
    filter: drop-shadow(0 4px 8px rgba(255, 190, 11, 0.3));
}

.news-placeholder-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

.news-placeholder-text {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    opacity: 0.9;
}

/* Make news cards clickable without losing color */
.news-link {
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
  z-index: 1; /* keep below actions */
}

/* News list page layout */
.news-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: calc(var(--spacing-unit) * 3);
}

.news-list .news-placeholder {
  text-align: left;
}

.news-list .news-placeholder-title {
  margin-bottom: 8px;
}

/* News meta/date and actions */
.news-meta {
  margin: 0 0 8px 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.news-actions {
  text-align: center;
  margin-top: 0; /* spacing handled by parent gap */
  position: relative;
  z-index: 3; /* ensure link is not hidden under the card */
}

.news-all-link {
  color: var(--color-secondary);
  text-decoration: underline;
}


/* === 5.2. Event Overview Section === */
#overview {
    /* 白い背景を削除し、ボディの背景が見えるようにする */
    background-color: transparent;
}

.overview-card,
.content-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.overview-card {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 6);
    max-width: 1000px;
    margin: 0 auto;
}

.overview-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.overview-item i {
    font-size: 2.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-unit);
    filter: drop-shadow(0 3px 8px rgba(0,0,0,0.25));
}

.overview-item h3 {
    margin: var(--spacing-unit) 0;
    color: var(--color-white);
    text-shadow: 0 2px 6px rgba(44, 44, 58, 0.6);
}

.overview-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 400;
}

/* 日時セクションのコンパクト表示 */
.event-dates-compact {
    text-align: center;
}

.main-dates {
    margin: 0 0 calc(var(--spacing-unit) * 1) 0;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    text-shadow: 0 2px 6px rgba(44, 44, 58, 0.6);
}

.schedule-compact {
    margin-bottom: calc(var(--spacing-unit) * 0.8);
}

.day-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: calc(var(--spacing-unit) * 0.3) 0;
    font-size: 0.85rem;
}

.day-label {
    color: var(--color-secondary);
    font-weight: 700;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    min-width: 40px;
    text-align: left;
}

.times {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
}

.reception-note {
    margin: 0;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
    font-style: italic;
}

.map-container {
    width: 100%;
    height: 120px;
    margin-top: calc(var(--spacing-unit) * 2);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* 日時セクション（シンプル表示） */
.event-dates-simple {
    text-align: center;
}
.dates-inline {
    display: inline-flex;
    gap: 0.75em;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0 0 calc(var(--spacing-unit) * 0.8) 0;
    font-weight: 700;
}
.date-range {
    color: var(--color-white);
    font-size: 0.95rem;
    text-shadow: 0 2px 6px rgba(44, 44, 58, 0.6);
}
.times-inline {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 700;
}

/* === 5.3. Main Contents Section === */
#contents {
    display: flex;
    justify-content: center;
    gap: calc(var(--spacing-unit) * 6);
    flex-wrap: wrap;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

@media (max-width: 768px) {
    #contents {
        padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 4);
    }
}

@media (max-width: 480px) {
    #contents {
        padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 3);
    }
}

.content-card {
    width: 45%;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* for border-radius */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: rgba(255, 255, 255, 0.1);
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.content-image-placeholder {
    height: 250px;
    background-color: var(--color-secondary);
    transition: transform 0.3s ease;
}

.content-card:hover .content-image-placeholder {
    transform: scale(1.05);
}

.content-card.stamp-rally .content-image-placeholder {
     background: linear-gradient(45deg, var(--color-secondary), #ffcd4a);
}
.content-card.night-marche .content-image-placeholder {
     background: linear-gradient(45deg, #a15ffb, var(--color-primary));
}

.content-text {
    padding: calc(var(--spacing-unit) * 3) calc(var(--spacing-unit) * 4);
    display: flex;
    flex-direction: column;
    flex-grow: 1; /* This is the key */
    background: transparent;
}

.content-text h3 {
    margin-top: 0;
    font-size: 1.6rem;
    color: var(--color-white);
    margin-bottom: calc(var(--spacing-unit) * 2);
    font-family: var(--font-base); /* フォントを本文と統一 */
    text-shadow: none;
}

.content-text p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: calc(var(--spacing-unit) * 3);
    flex-grow: 1;
    text-shadow: none;
    font-weight: 400;
}

.content-image-wrapper {
    width: 100%;
    height: 300px;
    overflow: hidden;
    position: relative;
    background: rgba(0, 0, 0, 0.2);
    padding: 0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-flyer {
    width: 100%;
    height: 100%;
    object-fit: contain; /* ポスター全体を見切れず表示 */
    display: block;
    margin: 0 auto;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
    max-width: 95%;
    max-height: 95%;
}

/* モーダル（Lightbox） */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0; width: 100vw; height: 100vh;
    background: rgba(44,44,58,0.85);
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s;
}
.modal.open {
    display: flex;
}
.modal-content {
    position: relative;
    background: #fff;
    border-radius: 12px;
    padding: 24px 24px 16px 24px;
    box-shadow: 0 8px 40px rgba(44,44,58,0.25);
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.modal-flyer {
    max-width: 80vw;
    max-height: 70vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 4px 24px rgba(44,44,58,0.10);
}
.modal-close {
    position: absolute;
    top: 8px; right: 16px;
    font-size: 2rem;
    color: #8338ec;
    cursor: pointer;
    font-weight: bold;
    z-index: 10;
    transition: color 0.2s;
}
.modal-close:hover {
    color: #ffbe0b;
}

.detail-button {
    margin-top: 16px;
    background: var(--color-secondary);
    color: var(--color-text);
    border: none;
    border-radius: 32px;
    padding: 10px 28px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(255,190,11,0.10);
    transition: background 0.2s, color 0.2s;
}
.detail-button:hover {
    background: var(--color-primary);
    color: #fff;
}

/* Large Desktop Responsive */
@media (min-width: 1440px) {
    .container {
        max-width: 1300px;
        padding: 0 calc(var(--spacing-unit) * 3);
    }
    
    .section-title {
        font-size: 3rem;
        margin-bottom: calc(var(--spacing-unit) * 8);
    }
    
    section {
        padding: calc(var(--spacing-unit) * 15) 0;
    }
}

/* Desktop Responsive */
@media (min-width: 1024px) and (max-width: 1439px) {
    .container {
        max-width: 1100px;
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: calc(var(--spacing-unit) * 6);
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) and (min-width: 769px) {
    .container {
        max-width: 90%;
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    section {
        padding: calc(var(--spacing-unit) * 10) 0;
    }
    
    .section-title {
        font-size: 2.2rem;
        margin-bottom: calc(var(--spacing-unit) * 5);
    }
    
    /* Introduction Section */
    #introduction {
        padding: calc(var(--spacing-unit) * 10) 0;
    }
    
    .introduction-title {
        font-size: 2rem;
    }
    
    .introduction-text {
        font-size: 1.05rem;
        line-height: 2;
    }
    
    /* News Section */
    .news-placeholder {
        padding: calc(var(--spacing-unit) * 5);
        position: relative;
    }
    
    .news-icon {
        font-size: 2.8rem;
    }
    
    .news-placeholder-title {
        font-size: 1.4rem;
    }
    
    /* Overview Section */
    .overview-card {
        padding: calc(var(--spacing-unit) * 5);
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .overview-item i {
        font-size: 2.2rem;
    }
    
    /* Contents Section */
    #contents {
        gap: calc(var(--spacing-unit) * 4);
    }
    
    .content-card {
        min-width: 280px;
        width: 48%;
    }
    
    .content-image-wrapper {
        height: 280px;
    }
    
    .content-text {
        padding: calc(var(--spacing-unit) * 3);
    }
    
    .content-text h3 {
        font-size: 1.5rem;
    }
    
    .content-text p {
        font-size: 0.95rem;
    }
    
    /* Gallery Section */
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 180px;
        gap: calc(var(--spacing-unit) * 1.5);
    }

    /* Event dates: show 25日/26日 side-by-side */
    .event-dates-compact .schedule-compact {
        display: flex;
        justify-content: center;
        align-items: flex-start;
        gap: calc(var(--spacing-unit) * 1.5);
    }
    .event-dates-compact .day-row {
        /* Keep label and time stacked within each column */
        flex-direction: column;
        align-items: center;
        text-align: center;
        width: 48%;
        box-sizing: border-box;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 calc(var(--spacing-unit) * 2);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    section {
        padding: calc(var(--spacing-unit) * 6) 0;
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    
    .section-title {
        font-size: clamp(1.6rem, 5vw, 2rem);
        margin-bottom: calc(var(--spacing-unit) * 4);
        text-align: center;
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    br.sp-only {
        display: block;
    }
    
    /* Introduction Section */
    #introduction {
        padding: calc(var(--spacing-unit) * 8) 0;
        margin: 0;
    }
    
    .introduction-content {
        padding: 0 calc(var(--spacing-unit) * 2);
        max-width: 100%;
    }
    
    .introduction-title {
        font-size: clamp(1.5rem, 5vw, 1.8rem);
        margin-bottom: calc(var(--spacing-unit) * 4);
        text-align: center;
    }
    
    .introduction-text {
        font-size: clamp(0.9rem, 3vw, 1rem);
        line-height: 1.8;
        text-align: center;
    }
    
    .introduction-text p {
        margin-bottom: calc(var(--spacing-unit) * 2.5);
    }
    
    /* News Section */
    #news {
        padding: calc(var(--spacing-unit) * 6) 0;
    }
    
    .news-content {
        max-width: 100%;
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .news-placeholder {
        padding: calc(var(--spacing-unit) * 4);
        margin: 0;
        border-radius: 12px;
    }
    
    .news-icon {
        font-size: 2.5rem;
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .news-placeholder-title {
        font-size: clamp(1.2rem, 4vw, 1.4rem);
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .news-placeholder-text {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
        line-height: 1.6;
    }
    
    /* Overview Section */
    #overview {
        padding: calc(var(--spacing-unit) * 6) 0;
    }
    
    .overview-card {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 4);
        padding: calc(var(--spacing-unit) * 4);
        margin: 0 calc(var(--spacing-unit) * 2);
        max-width: none;
    }
    
    .overview-item {
        flex-basis: 100%;
        min-width: auto;
        text-align: center;
    }
    
    .overview-item i {
        font-size: 2.2rem;
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .overview-item h3 {
        font-size: clamp(1.1rem, 4vw, 1.3rem);
        margin: calc(var(--spacing-unit) * 1) 0;
    }
    
    .overview-item p {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
        line-height: 1.6;
    }
    
    /* 日時セクションのモバイル対応 */
    .main-dates {
        font-size: clamp(0.85rem, 3.5vw, 0.95rem);
    }
    
    /* 25日/26日を横並びにする */
    .event-dates-compact .schedule-compact {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: calc(var(--spacing-unit) * 1);
    }
    .day-row {
        font-size: clamp(0.75rem, 3vw, 0.85rem);
        flex-direction: column;
        align-items: center;
        gap: calc(var(--spacing-unit) * 0.3);
        text-align: center;
        width: 48%;
        box-sizing: border-box;
    }
    
    .day-label {
        font-size: clamp(0.75rem, 3vw, 0.85rem);
        min-width: auto;
    }
    
    .times {
        font-size: clamp(0.7rem, 2.8vw, 0.8rem);
    }
    
    .reception-note {
        font-size: clamp(0.65rem, 2.5vw, 0.72rem);
    }
    
    .map-container {
        height: 180px;
        margin-top: calc(var(--spacing-unit) * 2);
        border-radius: 8px;
        overflow: hidden;
    }
    
    /* Contents Section */
    #contents {
        flex-direction: column;
        gap: calc(var(--spacing-unit) * 4);
        padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 2);
        max-width: 100%;
        margin: 0;
    }
    
    .content-card {
        width: 100%;
        min-width: auto;
        max-width: 100%;
    }
    
    .content-image-wrapper {
        height: 220px;
    }
    
    .content-text {
        padding: calc(var(--spacing-unit) * 3);
    }
    
    .content-text h3 {
        font-size: clamp(1.3rem, 4vw, 1.5rem);
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .content-text p {
        font-size: clamp(0.85rem, 3vw, 0.95rem);
        line-height: 1.7;
        margin-bottom: calc(var(--spacing-unit) * 2.5);
    }
    
    .detail-button {
        padding: calc(var(--spacing-unit) * 1.25) calc(var(--spacing-unit) * 3);
        font-size: clamp(0.85rem, 3vw, 0.95rem);
    }
    
    /* Gallery Section */
    #gallery {
        padding: calc(var(--spacing-unit) * 6) calc(var(--spacing-unit) * 2);
        max-width: 100%;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(3, 140px);
        gap: calc(var(--spacing-unit) * 1.5);
        max-width: 100%;
    }
    
    .gallery-item {
        border-radius: 8px;
        overflow: hidden;
    }
    
    /* Compact horizontal layout - photos at top */
    .gallery-item:nth-child(1) {
        grid-column: 1;
        grid-row: 1 / 3;
    }
    
    .gallery-item:nth-child(2) {
        grid-column: 2;
        grid-row: 1;
    }
    
    .gallery-item:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }
    
    .gallery-item:nth-child(4) {
        grid-column: 1;
        grid-row: 3;
    }
    
    /* Empty placeholders at bottom */
    .gallery-item:nth-child(5) {
        grid-column: 2;
        grid-row: 3;
    }
    
    .gallery-item:nth-child(6) {
        display: none;
    }
    
    .gallery-item:nth-child(7) {
        display: none;
    }
    
    /* Modal Responsive */
    .modal-content {
        padding: 8px 4px 4px 4px;
        margin: calc(var(--spacing-unit) * 1);
        max-width: 95vw;
        max-height: 90vh;
    }
    
    .modal-flyer {
        max-width: 90vw;
        max-height: 70vh;
        width: auto;
        height: auto;
    }
    
    .modal-close {
        top: 4px;
        right: 8px;
        font-size: 1.8rem;
    }
    
    /* Footer */
    footer {
        padding: calc(var(--spacing-unit) * 4) 0;
    }
    
    .footer-content {
        padding: 0 calc(var(--spacing-unit) * 2);
        text-align: center;
    }
    
    .footer-content p {
        font-size: clamp(0.8rem, 3vw, 0.9rem);
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .social-links {
        margin: calc(var(--spacing-unit) * 2) 0;
    }
    
    .social-links a {
        font-size: 1.4rem;
        margin: 0 calc(var(--spacing-unit) * 1.5);
    }
    
    .copyright {
        font-size: clamp(0.7rem, 2.5vw, 0.8rem);
    }
}

/* Small Mobile Responsive */
@media (max-width: 480px) {
    body {
        overflow-x: hidden;
    }
    
    .container {
        padding: 0 calc(var(--spacing-unit) * 2);
        max-width: 100%;
        box-sizing: border-box;
    }
    
    section {
        padding: calc(var(--spacing-unit) * 5) 0;
        width: 100%;
        box-sizing: border-box;
        margin: 0;
    }
    
    .section-title {
        font-size: clamp(1.4rem, 6vw, 1.8rem);
        margin-bottom: calc(var(--spacing-unit) * 3);
        text-align: center;
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    /* Introduction Section */
    #introduction {
        padding: calc(var(--spacing-unit) * 6) 0;
    }
    
    .introduction-content {
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .introduction-title {
        font-size: clamp(1.3rem, 6vw, 1.6rem);
        margin-bottom: calc(var(--spacing-unit) * 3);
        line-height: 1.4;
    }
    
    .introduction-text {
        font-size: clamp(0.85rem, 3.5vw, 0.95rem);
        line-height: 1.7;
    }
    
    .introduction-text p {
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    /* News Section */
    #news {
        padding: calc(var(--spacing-unit) * 5) 0;
    }
    
    .news-content {
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .news-placeholder {
        padding: calc(var(--spacing-unit) * 3);
        margin: 0;
        border-radius: 10px;
    }
    
    .news-icon {
        font-size: 2rem;
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .news-placeholder-title {
        font-size: clamp(1.1rem, 5vw, 1.3rem);
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .news-placeholder-text {
        font-size: clamp(0.8rem, 3.5vw, 0.9rem);
        line-height: 1.5;
    }
    
    /* Overview Section */
    #overview {
        padding: calc(var(--spacing-unit) * 5) 0;
    }
    
    .overview-card {
        padding: calc(var(--spacing-unit) * 3);
        gap: calc(var(--spacing-unit) * 3);
        margin: 0 calc(var(--spacing-unit) * 2);
    }
    
    .overview-item i {
        font-size: 1.8rem;
        margin-bottom: calc(var(--spacing-unit) * 1);
    }
    
    .overview-item h3 {
        font-size: clamp(1rem, 4.5vw, 1.2rem);
        margin: calc(var(--spacing-unit) * 0.5) 0;
    }
    
    .overview-item p {
        font-size: clamp(0.8rem, 3.5vw, 0.9rem);
        line-height: 1.5;
    }
    
    .map-container {
        height: 160px;
        margin-top: calc(var(--spacing-unit) * 1.5);
    }
    
    /* Contents Section */
    #contents {
        padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 2);
        gap: calc(var(--spacing-unit) * 3);
    }
    
    .content-card {
        border-radius: 12px;
    }
    
    .content-image-wrapper {
        height: 200px;
    }
    
    .content-text {
        padding: calc(var(--spacing-unit) * 2.5);
    }
    
    .content-text h3 {
        font-size: clamp(1.2rem, 5vw, 1.4rem);
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .content-text p {
        font-size: clamp(0.8rem, 3.5vw, 0.9rem);
        line-height: 1.6;
        margin-bottom: calc(var(--spacing-unit) * 2);
    }
    
    .detail-button {
        padding: calc(var(--spacing-unit) * 1) calc(var(--spacing-unit) * 2.5);
        font-size: clamp(0.8rem, 3.5vw, 0.9rem);
        border-radius: 20px;
    }
    
    /* Gallery Section */
    #gallery {
        padding: calc(var(--spacing-unit) * 5) calc(var(--spacing-unit) * 2);
    }
    
    .gallery-grid {
        grid-template-rows: repeat(3, 120px);
        gap: calc(var(--spacing-unit) * 1);
    }
    
    .gallery-item {
        border-radius: 6px;
    }

    /* Same compact layout as mobile 768px */
    .gallery-item:nth-child(1) {
        grid-column: 1;
        grid-row: 1 / 3;
    }

    .gallery-item:nth-child(2) {
        grid-column: 2;
        grid-row: 1;
    }

    .gallery-item:nth-child(3) {
        grid-column: 2;
        grid-row: 2;
    }

    .gallery-item:nth-child(4) {
        grid-column: 1;
        grid-row: 3;
    }

    /* Empty placeholders at bottom */
    .gallery-item:nth-child(5) {
        grid-column: 2;
        grid-row: 3;
    }

    .gallery-item:nth-child(6) {
        display: none;
    }

    .gallery-item:nth-child(7) {
        display: none;
    }
    
    /* Footer */
    footer {
        padding: calc(var(--spacing-unit) * 3) 0;
    }
    
    .footer-content {
        padding: 0 calc(var(--spacing-unit) * 2);
    }
    
    .footer-content p {
        font-size: clamp(0.75rem, 3vw, 0.85rem);
        margin-bottom: calc(var(--spacing-unit) * 1.5);
    }
    
    .social-links a {
        font-size: 1.2rem;
        margin: 0 calc(var(--spacing-unit) * 1);
    }
    
    .copyright {
        font-size: clamp(0.65rem, 2.5vw, 0.75rem);
        margin-top: calc(var(--spacing-unit) * 1);
    }
    
    /* Modal adjustments */
    .modal-content {
        margin: calc(var(--spacing-unit) * 0.5);
        padding: 6px 3px 3px 3px;
    }
    
    .modal-flyer {
        max-width: 92vw;
        max-height: 65vh;
    }
    
    .modal-close {
        top: 2px;
        right: 6px;
        font-size: 1.6rem;
    }
}

/* === Decorative Elements === */
.deco-item {
    position: absolute;
    z-index: -1;
    opacity: 0; /* Initially hidden for animation */
    pointer-events: none;
}
.deco-ghost-1 {
    width: 200px;
    height: 200px;
    top: -50px;
    left: 20px;
}
.deco-stars-1 {
    width: 150px;
    height: 150px;
    bottom: -50px;
    right: 40px;
    transform: rotate(20deg);
}
.deco-bat-1 {
    width: 250px;
    height: 250px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.deco-pumpkin-1 {
    width: 180px;
    height: 180px;
    bottom: 20px;
    left: 30px;
    transform: rotate(-15deg);
}

/* === 5.4. Photo Gallery Section === */
#gallery {
     max-width: var(--container-width);
     margin: 0 auto;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    grid-auto-rows: 150px;
    grid-auto-flow: dense;
    gap: var(--spacing-unit);
}

.gallery-item {
    overflow: hidden;
    border-radius: 8px;
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item.tall {
    grid-row: span 2;
}

.gallery-image-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    opacity: 0.5;
    transition: transform 0.4s ease, opacity 0.4s ease;
}

.gallery-item:hover .gallery-image-placeholder {
    transform: scale(1.1);
    opacity: 1;
}

.gallery-grid .gallery-item:nth-child(2n) .gallery-image-placeholder { background-color: var(--color-secondary); }
.gallery-grid .gallery-item:nth-child(3n) .gallery-image-placeholder { background-color: #ff758f; }
.gallery-grid .gallery-item:nth-child(4n) .gallery-image-placeholder { background-color: #a15ffb; }

.gallery-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
    display: block;
    transition: transform 0.4s, opacity 0.4s;
}

.gallery-item:hover .gallery-photo {
    transform: scale(1.05);
}


/* Gallery Lightbox Modal */
.gallery-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.gallery-modal.open {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-modal-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.gallery-modal img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.gallery-modal-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

.gallery-modal-close:hover {
    opacity: 0.7;
}

/* Ensure sections are positioned to contain decorations */
#overview, #contents, #gallery {
    position: relative;
}

/* Decorative Elements Responsive */
@media (min-width: 1440px) {
    .deco-item {
        opacity: 0.8;
    }
    
    .deco-ghost-1 {
        width: 250px;
        height: 250px;
    }
    
    .deco-stars-1 {
        width: 180px;
        height: 180px;
    }
    
    .deco-bat-1 {
        width: 300px;
        height: 300px;
    }
    
    .deco-pumpkin-1 {
        width: 220px;
        height: 220px;
    }
}

@media (max-width: 1024px) and (min-width: 769px) {
    .deco-item {
        opacity: 0.6;
    }
    
    .deco-ghost-1 {
        width: 150px;
        height: 150px;
    }
    
    .deco-stars-1 {
        width: 120px;
        height: 120px;
    }
    
    .deco-bat-1 {
        width: 180px;
        height: 180px;
    }
    
    .deco-pumpkin-1 {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 768px) {
    .deco-item {
        display: none; /* Hide decorations on mobile to reduce clutter */
    }
}

/* === 5.5. Footer Section === */
footer {
    background-color: #2c2c3a; /* Darker, but distinct from main bg */
    padding: calc(var(--spacing-unit) * 6) 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.7); /* Improved text visibility */
    font-size: 0.9rem;
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 calc(var(--spacing-unit) * 4);
}

.social-links {
    margin: calc(var(--spacing-unit) * 2) 0;
}

.social-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.5rem;
    margin: 0 calc(var(--spacing-unit) * 1.5);
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--color-secondary); /* Pop color on hover */
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    opacity: 1;
}