/* ===========================
   Everyday Choices Exhibition
   テーマカラー: #FFD52B (黄色)
   =========================== */

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

:root {
    --primary: #FFD52B;
    --secondary: #FFE566;
    --accent: #FFC107;
    --bg: #0f0f0f;
    --text: #e2e8f0;
    --text-light: #94a3b8;
    --card: #1a1a1a;
    --border: #2a2a2a;
}

body {
    font-family: 'Noto Sans JP', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Intro Animation */
.intro-animation {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, #1a1200 0%, #2d2200 50%, #3d3000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeOut 1s ease forwards;
    animation-delay: 3.5s;
}

.intro-animation.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.intro-content {
    text-align: center;
    position: relative;
}

.intro-title {
    position: relative;
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    animation: glitchMove 1.5s infinite linear alternate;
    text-shadow: 0 0 30px rgba(255, 213, 43, 0.5);
}

.intro-title::before,
.intro-title::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    width: 100%;
    overflow: hidden;
}

.intro-title::before {
    left: 2px;
    color: #FFE566;
    text-shadow: -2px 0 #FFC107;
    clip: rect(0, 9999px, 0, 0);
    animation: glitchTop 1s infinite linear alternate-reverse;
}

.intro-title::after {
    left: -2px;
    color: #FFA000;
    text-shadow: -2px 0 #FF8F00;
    clip: rect(0, 9999px, 0, 0);
    animation: glitchBottom 1.2s infinite linear alternate-reverse;
}

.intro-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: rgba(255, 213, 43, 0.8);
    letter-spacing: 0.2em;
    opacity: 0;
    animation: fadeInSubtitle 2s ease forwards;
    animation-delay: 1s;
}

@keyframes glitchMove {
    0% { transform: none; }
    20% { transform: skew(1deg, 0deg) translate(2px, 0); }
    40% { transform: translate(-2px, -1px) skew(-1deg); }
    60% { transform: translate(3px, 2px); }
    80% { transform: skew(0.5deg, -0.5deg) translate(-1px, 1px); }
    100% { transform: none; }
}

@keyframes glitchTop {
    0% { clip: rect(0, 9999px, 0, 0); }
    10% { clip: rect(10px, 9999px, 50px, 0); }
    20% { clip: rect(85px, 9999px, 140px, 0); }
    40% { clip: rect(10px, 9999px, 80px, 0); }
    60% { clip: rect(50px, 9999px, 90px, 0); }
    80% { clip: rect(120px, 9999px, 170px, 0); }
    100% { clip: rect(0, 9999px, 0, 0); }
}

@keyframes glitchBottom {
    0% { clip: rect(0, 9999px, 0, 0); }
    15% { clip: rect(60px, 9999px, 100px, 0); }
    35% { clip: rect(100px, 9999px, 150px, 0); }
    55% { clip: rect(10px, 9999px, 60px, 0); }
    75% { clip: rect(90px, 9999px, 120px, 0); }
    100% { clip: rect(0, 9999px, 0, 0); }
}

@keyframes fadeInSubtitle {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    to { opacity: 0; visibility: hidden; }
}

/* Particles */
.particles {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
    opacity: 0.6;
    box-shadow: 0 0 10px rgba(255, 213, 43, 0.5);
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% {
        transform: translate(100vw, -100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Shapes */
.shapes-background {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.15;
}

.shape {
    position: absolute;
    border: 2px solid var(--primary);
    animation: floatShape 25s infinite ease-in-out;
}

.shape.circle {
    border-radius: 50%;
}

.shape.square {
    border-radius: 8px;
}

@keyframes floatShape {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg) scale(1);
    }
    25% {
        transform: translate(100px, -50px) rotate(90deg) scale(1.2);
    }
    50% {
        transform: translate(50px, 100px) rotate(180deg) scale(0.8);
    }
    75% {
        transform: translate(-50px, 50px) rotate(270deg) scale(1.1);
    }
}

/* Main Content */
#main-content {
    opacity: 1;
    position: relative;
    z-index: 2;
}

#main-content.visible {
    opacity: 1;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(20px);
    padding: 1.5rem 3rem;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 213, 43, 0.2);
    transform: translateY(0);
}

.nav-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    letter-spacing: -0.02em;
    text-shadow: 0 0 20px rgba(255, 213, 43, 0.3);
}

.back-btn {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 8px;
}

.back-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
    background: rgba(255, 213, 43, 0.1);
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    position: relative;
}

.hero-bg-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(255, 213, 43, 0.15), transparent 70%);
}

.hero-content {
    max-width: 1000px;
    text-align: center;
    position: relative;
    z-index: 2;
    animation: heroFadeIn 1s ease-out both;
}

.hero-team {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    margin-top: -0.5rem;
    font-style: italic;
    letter-spacing: 0.12em;
    text-shadow: 0 0 20px rgba(255, 213, 43, 0.4);
}

@keyframes heroFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 2rem;
    font-weight: 300;
    letter-spacing: 0.1em;
}

.hero-tagline {
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 500;
    margin-bottom: 3rem;
    line-height: 1.6;
    color: var(--text-light);
}

.hero-description {
    max-width: 750px;
    margin: 0 auto 3rem;
    font-size: 1.15rem;
    line-height: 1.9;
    color: var(--text-light);
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 1.2rem 3rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #000;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.4s;
    box-shadow: 0 10px 30px rgba(255, 213, 43, 0.3);
}

.cta-btn span {
    position: relative;
    z-index: 1;
}

.cta-btn:hover {
    box-shadow: 0 15px 40px rgba(255, 213, 43, 0.5);
}

.cta-btn.secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    box-shadow: none;
}

.cta-btn.secondary:hover {
    background: rgba(255, 213, 43, 0.1);
}

/* Section */
.section {
    padding: 8rem 2rem;
    position: relative;
}

.section.alt {
    background: rgba(30, 30, 30, 0.5);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s, transform 0.8s;
}

.section-header.in-view {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* Theme Cards */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
}

.theme-card {
    background: var(--card);
    border-radius: 20px;
    padding: 1.6rem;
    border: 1px solid var(--border);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
}

.theme-card.in-view {
    opacity: 1;
    transform: translateY(0);
}

.theme-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 213, 43, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.5s;
}

.theme-card:hover::before {
    opacity: 1;
}

.theme-card:hover {
    box-shadow: 0 20px 60px rgba(255, 213, 43, 0.3);
    border-color: var(--primary);
}

.theme-icon {
    font-size: 3.2rem;
    margin-bottom: 1.1rem;
    display: block;
    opacity: 0;
    transform: translateY(30px);
    animation: iconFloatUp 1s ease-out forwards;
}

@keyframes iconFloatUp {
    0% {
        opacity: 0;
        transform: translateY(30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.theme-card:nth-child(1) .theme-icon { animation-delay: 0.1s; }
.theme-card:nth-child(2) .theme-icon { animation-delay: 0.2s; }
.theme-card:nth-child(3) .theme-icon { animation-delay: 0.3s; }
.theme-card:nth-child(4) .theme-icon { animation-delay: 0.4s; }
.theme-card:nth-child(5) .theme-icon { animation-delay: 0.5s; }

.theme-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.theme-card p {
    color: var(--text-light);
    line-height: 1.5;
    font-size: 0.9rem;
}

/* 写真用ラッパ追加 */
.theme-photo-wrapper {
    margin-top: 0.8rem;
}
.theme-photo {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 10px;
    display: block;
    box-shadow: 0 6px 18px rgba(0,0,0,0.35);
    transition: transform .3s ease, box-shadow .3s ease;
}
@media (max-width: 640px) { .theme-photo { height: 200px; } }
.theme-photo:hover { box-shadow: 0 10px 28px rgba(0,0,0,0.45); }

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: var(--card);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.5s;
    opacity: 0;
    transform: scale(0.9);
}

.feature-card.in-view {
    opacity: 1;
    transform: scale(1);
}

.feature-card:hover {
    box-shadow: 0 15px 50px rgba(255, 213, 43, 0.2);
    border-color: var(--primary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 10px 30px rgba(255, 213, 43, 0.3);
    opacity: 0;
    transform: translateY(30px);
    animation: iconFloatUp 1s ease-out forwards;
}

.feature-card:nth-child(1) .feature-icon { animation-delay: 0.1s; }
.feature-card:nth-child(2) .feature-icon { animation-delay: 0.2s; }
.feature-card:nth-child(3) .feature-icon { animation-delay: 0.3s; }
.feature-card:nth-child(4) .feature-icon { animation-delay: 0.4s; }

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Info Box */
.info-box {
    background: linear-gradient(135deg, rgba(255, 213, 43, 0.1), rgba(255, 229, 102, 0.05));
    border-radius: 24px;
    padding: 4rem;
    border: 1px solid rgba(255, 213, 43, 0.2);
    max-width: 900px;
    margin: 0 auto;
}

.info-row {
    display: flex;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    transition: all 0.3s;
}

.info-row:hover {
    padding-left: 1rem;
    border-bottom-color: var(--primary);
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 700;
    min-width: 150px;
    color: var(--text);
}

.info-value {
    color: var(--text-light);
    line-height: 1.8;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, #1a1200 0%, #2d2200 100%);
    padding: 8rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 213, 43, 0.1), transparent);
}

.cta-section h2 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 2rem;
    color: var(--primary);
    position: relative;
    z-index: 1;
}

.cta-section p {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    line-height: 1.8;
    color: rgba(255, 213, 43, 0.8);
    position: relative;
    z-index: 1;
}

/* Footer */
footer {
    background: #000;
    color: rgba(226, 232, 240, 0.8);
    padding: 5rem 2rem;
    text-align: center;
}

footer p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

footer strong {
    font-weight: 700;
    color: var(--text);
}

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    z-index: 10001;
    transition: width 0.1s;
    display: none !important;
}

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #000;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s;
    box-shadow: 0 10px 30px rgba(255, 213, 43, 0.4);
    z-index: 999;
    font-weight: 900;
}

.scroll-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    box-shadow: 0 15px 40px rgba(255, 213, 43, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .nav { padding: 1rem 1.5rem; }
    .hero { padding: 6rem 1.5rem 3rem; }
    .section { padding: 5rem 1.5rem; }
    .theme-grid { grid-template-columns: repeat(2, 1fr); }
    .theme-photo { height: 200px; }
    .feature-grid { grid-template-columns: 1fr; }
    .cta-buttons { flex-direction: column; }
    .cta-btn { width: 100%; max-width: 300px; }
    .info-row { flex-direction: column; }
    .info-label { margin-bottom: 0.5rem; }
    .info-box { padding: 2.5rem 1.5rem; }
    .photo-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .theme-grid { grid-template-columns: 1fr; }
    .theme-photo { height: 200px; }
}

/* === 展示写真ギャラリー === */
.gallery-group {
  margin: 3rem auto 4rem;
}

.gallery-title {
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 0 1rem;
  color: var(--text);
  letter-spacing: 0.04em;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

/* 固定3x2はそのまま維持 */
.photo-grid.photos-3x2 { grid-template-columns: repeat(3, minmax(0,1fr)); }
@media (max-width: 1024px) { .photo-grid.photos-3x2 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .photo-grid.photos-3x2 { grid-template-columns: 1fr; } }

.photo-card {
  position: relative;
  aspect-ratio: 16 / 11;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  cursor: default !important;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* theme-card と併用時に余白を除去して画像をフル表示 */
.photo-card.theme-card { padding: 0; }

.photo-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .35s ease;
  min-height: 180px;
}
@media (max-width: 768px) { .photo-card img { min-height: 200px; } }

.photo-card:hover { 
  box-shadow: 0 14px 36px rgba(0,0,0,0.35);
  border-color: rgba(255, 213, 43, 0.35);
}

.photo-caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: .5rem .8rem;
  font-size: .85rem;
  color: #e6e6e6;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.55) 60%);
}

/* プレースホルダ（未挿入時の見た目） */
.photo-card.placeholder {
  background: repeating-linear-gradient(45deg, rgba(255,213,43,0.06) 0 10px, rgba(255,213,43,0.12) 10px 20px);
  border: 1px dashed rgba(255,213,43,0.35);
  color: rgba(255,213,43,0.8);
}
.photo-card.placeholder .photo-caption {
  position: static;
  background: none;
  color: rgba(255,213,43,0.85);
}

/* === ライトボックス === */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 2rem;
}
.lightbox.open { display: flex; }

.lightbox-image {
  max-width: 92vw;
  max-height: 80vh;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.2);
}

.lightbox-caption {
  margin-top: .8rem;
  color: rgba(255,255,255,0.9);
  text-align: center;
  font-size: .95rem;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  font-size: 1.2rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.lightbox-close:hover { background: rgba(255,255,255,0.12) !important; }

/* Responsive tweaks */
@media (max-width: 768px) {
  .photo-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .photo-grid { grid-template-columns: 1fr; }
}

/* 展示風景 3枚横並び */
.scene-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}
.scene-item { aspect-ratio: 16 / 11; }
@media (max-width: 900px) { .scene-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .scene-row { grid-template-columns: 1fr; } }

/* === ホバー時の動きを完全に無効化 === */
.theme-card:hover,
.feature-card:hover,
.photo-card:hover,
.theme-photo:hover,
.cta-btn:hover,
.scroll-top:hover,
.back-btn:hover {
  transform: none !important;
}

.theme-card:hover .theme-icon,
.feature-card:hover .feature-icon {
  transform: none !important;
}

.photo-card:hover img {
  transform: none !important;
}

/* === Hover 無効化: ボタン以外は反応しない === */
/* ボタン以外の代表的なホバー効果を打ち消し */
.theme-card:hover { transform: none !important; box-shadow: none !important; border-color: var(--border) !important; }
.theme-card:hover::before { opacity: 0 !important; }
.feature-card:hover { transform: none !important; box-shadow: none !important; border-color: var(--border) !important; }
.theme-card:hover .theme-icon, .feature-card:hover .feature-icon { transform: none !important; }
.photo-card:hover { transform: none !important; box-shadow: 0 8px 24px rgba(0,0,0,0.25) !important; border-color: var(--border) !important; }
.photo-card:hover img { transform: none !important; }
.theme-photo:hover { transform: none !important; box-shadow: 0 6px 18px rgba(0,0,0,0.35) !important; }
.info-row:hover { padding-left: 0 !important; border-bottom-color: rgba(148,163,184,0.1) !important; }
.back-btn:hover { color: var(--text-light) !important; border-color: transparent !important; background: transparent !important; box-shadow: none !important; }
.lightbox-close:hover { background: rgba(0,0,0,0.6) !important; }

/* ボタンのホバーは維持（前の無効化を打ち消して復活） */
.cta-btn:hover { transform: translateY(-3px) scale(1.02) !important; }
.scroll-top:hover { transform: translateY(-5px) scale(1.1) !important; }

/* 最終: ボタンのホバーは許可（他の無効化ルールを打ち消し） */
.back-btn:hover {
  color: var(--primary) !important;
  border-color: var(--primary) !important;
  background: rgba(255, 213, 43, 0.1) !important;
}
.lightbox-close:hover { background: rgba(255,255,255,0.12) !important; }

/* === 材料（materials）ブロック === */
.materials-card {
  margin-top: 0.9rem;
  padding: 1rem 1.2rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,213,43,0.10), rgba(255,229,102,0.05));
  border: 1px solid rgba(255, 213, 43, 0.22);
}
.materials-card h4 {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--primary);
}
.materials-dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  column-gap: 1rem;
  row-gap: 0.35rem;
  align-items: start;
}
.materials-dl dt {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  font-size: 0.92rem;
}
.materials-dl dd {
  margin: 0;
  color: var(--text-light);
  font-size: 0.92rem;
}
@media (max-width: 640px) {
  .materials-dl { grid-template-columns: 1fr; }
}