/* ================================
   nicolon Sand Art - Stylesheet
   イロトリドリの砂の世界観を表現
   ================================ */

/* --------------------------------
   CSS Variables - カラーパレット
   サンドアートの色とりどりな世界観
   -------------------------------- */
:root {
    /* メインカラー（砂の色をベースに） */
    --color-primary: #FF6B9D;      /* ピンクサンド */
    --color-secondary: #87CEEB;    /* スカイブルー */
    --color-accent: #FFB347;       /* オレンジサンド */

    /* サンドカラーパレット */
    --sand-pink: #FF6B9D;
    --sand-orange: #FFB347;
    --sand-yellow: #F0E68C;
    --sand-green: #98D8AA;
    --sand-blue: #87CEEB;
    --sand-purple: #DDA0DD;
    --sand-coral: #FF7F7F;
    --sand-mint: #98FFD3;

    /* グラデーション */
    --gradient-rainbow: linear-gradient(135deg,
        var(--sand-pink) 0%,
        var(--sand-orange) 20%,
        var(--sand-yellow) 40%,
        var(--sand-green) 60%,
        var(--sand-blue) 80%,
        var(--sand-purple) 100%
    );
    --gradient-warm: linear-gradient(135deg, var(--sand-pink) 0%, var(--sand-orange) 100%);
    --gradient-cool: linear-gradient(135deg, var(--sand-blue) 0%, var(--sand-purple) 100%);
    --gradient-nature: linear-gradient(135deg, var(--sand-green) 0%, var(--sand-blue) 100%);

    /* ニュートラルカラー */
    --color-white: #FFFFFF;
    --color-off-white: #FDFBF7;
    --color-cream: #FFF9F0;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E8E8E8;
    --color-gray-300: #D0D0D0;
    --color-gray-600: #666666;
    --color-gray-800: #333333;
    --color-dark: #1A1A2E;

    /* タイポグラフィ */
    --font-primary: 'Noto Sans JP', 'Yu Gothic', sans-serif;
    --font-display: 'Quicksand', 'Noto Sans JP', sans-serif;

    /* スペーシング */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
    --space-3xl: 8rem;

    /* トランジション */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --shadow-colored: 0 10px 40px rgba(255, 107, 157, 0.2);

    /* ボーダー */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* ヘッダー高さ */
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-off-white);
    color: var(--color-gray-800);
    line-height: 1.8;
    overflow-x: hidden;
}

body.loading {
    overflow: hidden;
}

/* SP専用表示クラス */
.sp-only {
    display: none !important;
}

/* PC専用表示クラス - デフォルトでは何もしない（自然な表示） */

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --------------------------------
   Loader
   -------------------------------- */
.loader {
    position: fixed;
    inset: 0;
    background: var(--color-off-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.sand-particles {
    position: relative;
    width: 100px;
    height: 100px;
}

.sand-particles span {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color);
    border-radius: 50%;
    animation: sandFall 1.5s ease-in-out infinite;
    animation-delay: calc(var(--i) * 0.15s);
}

.sand-particles span:nth-child(1) { left: 10%; }
.sand-particles span:nth-child(2) { left: 25%; }
.sand-particles span:nth-child(3) { left: 40%; }
.sand-particles span:nth-child(4) { left: 55%; }
.sand-particles span:nth-child(5) { left: 70%; }
.sand-particles span:nth-child(6) { left: 85%; }
.sand-particles span:nth-child(7) { left: 17%; }
.sand-particles span:nth-child(8) { left: 63%; }

@keyframes sandFall {
    0%, 100% {
        transform: translateY(-30px) scale(0.8);
        opacity: 0;
    }
    50% {
        transform: translateY(30px) scale(1);
        opacity: 1;
    }
}

.loader-text {
    margin-top: var(--space-lg);
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--color-gray-600);
    letter-spacing: 2px;
}

/* --------------------------------
   Header
   -------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.logo-sub {
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--color-gray-600);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: -2px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 1px;
    color: var(--color-gray-800);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-rainbow);
    transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link-cta {
    background: var(--gradient-warm);
    color: var(--color-white) !important;
    padding: var(--space-xs) var(--space-md) !important;
    border-radius: var(--radius-full);
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-colored);
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-gray-800);
    border-radius: 2px;
    transition: var(--transition-normal);
}

.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);
}

/* --------------------------------
   Hero Section
   -------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-md) var(--space-xl);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        var(--color-cream) 0%,
        var(--color-off-white) 100%
    );
}

.sand-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 200%;
    height: 150px;
    background: var(--sand-pink);
    opacity: 0.1;
    border-radius: 100% 100% 0 0;
}

.sand-wave-1 {
    background: var(--sand-pink);
    animation: waveMove 15s ease-in-out infinite;
}

.sand-wave-2 {
    background: var(--sand-orange);
    bottom: -20px;
    animation: waveMove 12s ease-in-out infinite reverse;
    animation-delay: 0.5s;
}

.sand-wave-3 {
    background: var(--sand-yellow);
    bottom: -40px;
    animation: waveMove 18s ease-in-out infinite;
    animation-delay: 1s;
}

@keyframes waveMove {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-25%);
    }
}

.floating-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-subtitle {
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--sand-pink);
    margin-bottom: var(--space-md);
}

.hero-title {
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: var(--space-lg);
}

.gradient-text {
    background: linear-gradient(
        90deg,
        #FF0000 0%,
        #FF8000 16%,
        #FFD700 32%,
        #00C853 48%,
        #00B0FF 64%,
        #7C4DFF 80%,
        #E040FB 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: rainbowShift 3s linear infinite;
    background-size: 200% 100%;
    font-weight: 800;
    filter: drop-shadow(1px 1px 0 rgba(0,0,0,0.15)) drop-shadow(2px 2px 4px rgba(0,0,0,0.1));
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes rainbowShift {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 200% 50%;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xl);
    line-height: 2;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-unit {
    font-size: 1rem;
    color: var(--color-gray-600);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-top: var(--space-xs);
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-warm);
    color: var(--color-white);
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 157, 0.35);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
    border-color: var(--sand-pink);
    color: var(--sand-pink);
}

.btn-outline {
    background: transparent;
    color: var(--color-gray-800);
    border: 2px solid var(--color-gray-300);
}

.btn-outline:hover {
    border-color: var(--sand-pink);
    color: var(--sand-pink);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    color: var(--color-white);
    box-shadow: 0 8px 30px rgba(188, 24, 136, 0.3);
}

.btn-instagram:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(188, 24, 136, 0.4);
}

.btn-instagram svg {
    width: 20px;
    height: 20px;
}

.btn-arrow {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-normal);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: var(--color-gray-600);
    font-size: 0.75rem;
    letter-spacing: 2px;
    animation: fadeInUp 1s ease forwards;
    animation-delay: 1.5s;
    opacity: 0;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-gray-300), transparent);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: var(--sand-pink);
    animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(40px);
    }
}

/* --------------------------------
   Section Styles
   -------------------------------- */
.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.section-header {
    margin-bottom: var(--space-2xl);
}

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

.section-label {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--sand-pink);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.4;
}

.section-title .highlight {
    background: var(--gradient-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Motto Quote Style */
.motto-quote {
    position: relative;
    display: inline;
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.15) 0%, rgba(255, 179, 71, 0.15) 100%);
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
    color: var(--color-gray-800);
}

.section-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-top: var(--space-md);
    line-height: 1.8;
}

/* --------------------------------
   About Section
   -------------------------------- */
.about {
    background: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-gray-800);
    margin-bottom: var(--space-md);
}

.about-text p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
}

.about-features {
    display: flex;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-warm);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-text p {
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    margin: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.about-image-bg {
    position: absolute;
    inset: -20px;
    background: var(--gradient-rainbow);
    border-radius: var(--radius-xl);
    opacity: 0.1;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.1;
    }
    50% {
        transform: scale(1.02);
        opacity: 0.15;
    }
}

.about-image-placeholder {
    position: relative;
    aspect-ratio: 4/5;
    background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-white) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.sand-bottle {
    position: relative;
    width: 80px;
    height: 180px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px 10px 30px 30px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.sand-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--height);
    background: var(--color);
    animation: sandLayerWave 3s ease-in-out infinite;
    animation-delay: calc(var(--height) * 0.01s);
}

@keyframes sandLayerWave {
    0%, 100% {
        transform: skewY(0deg);
    }
    50% {
        transform: skewY(2deg);
    }
}

/* --------------------------------
   Workshop Section
   -------------------------------- */
.workshop {
    background: var(--color-off-white);
}

.workshop-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.workshop-cards.four-columns {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .workshop-cards.four-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .workshop-cards.four-columns {
        grid-template-columns: 1fr;
    }
}

.workshop-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.workshop-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.card-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gradient-1 { background: var(--gradient-warm); }
.gradient-2 { background: var(--gradient-cool); }
.gradient-3 { background: var(--gradient-nature); }
.gradient-4 { background: linear-gradient(135deg, var(--sand-purple) 0%, var(--sand-pink) 100%); }

.card-icon {
    font-size: 3rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.card-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: var(--color-white);
    color: var(--sand-pink);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.card-content {
    padding: var(--space-md);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.card-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.card-features li {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

/* Workshop Pricing */
.workshop-pricing {
    margin-top: var(--space-2xl);
    text-align: center;
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.pricing-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.pricing-grid {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

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

.pricing-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xs);
}

.pricing-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-800);
}

.pricing-value small {
    font-size: 0.875rem;
    font-weight: 400;
}

.pricing-note {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin-top: 4px;
}

/* Online Badge (Workshop Header) */
.online-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    background: linear-gradient(135deg, #00B4DB 0%, #0083B0 100%);
    color: var(--color-white);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 15px rgba(0, 131, 176, 0.3);
    animation: pulse-badge 2s ease-in-out infinite;
}

.badge-icon {
    font-size: 1.25rem;
}

.badge-text {
    letter-spacing: 1px;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 131, 176, 0.3);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 6px 20px rgba(0, 131, 176, 0.4);
    }
}

/* Workshop Details - Cute Design */
.workshop-details {
    margin-top: var(--space-2xl);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-cream) 100%);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 2px solid rgba(255, 107, 157, 0.1);
}

.workshop-details.cute-design {
    background: linear-gradient(135deg, #FFF5F8 0%, #FFF0E6 50%, #F0F8FF 100%);
    border: 3px solid transparent;
    background-clip: padding-box;
    position: relative;
}

.workshop-details.cute-design::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, var(--sand-pink), var(--sand-orange), var(--sand-yellow), var(--sand-green), var(--sand-blue));
    border-radius: calc(var(--radius-xl) + 3px);
    z-index: -1;
    opacity: 0.5;
}

.details-header-cute {
    margin-bottom: var(--space-xl);
}

.details-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(10deg); }
}

.details-title-cute {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: var(--space-md);
}

.details-style-tags {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-sm);
}

.style-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.style-tag.online {
    background: linear-gradient(135deg, #00B4DB 0%, #0083B0 100%);
    color: var(--color-white);
}

.style-tag.inperson {
    background: linear-gradient(135deg, #FF6B9D 0%, #FF8E53 100%);
    color: var(--color-white);
}

.details-subtitle {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--sand-pink);
    margin-top: var(--space-sm);
}

.details-grid.cute {
    background: rgba(255, 255, 255, 0.7);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-xl);
}

.details-grid.cute .details-item {
    background: var(--color-white);
    border-left: none;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 10px rgba(255, 107, 157, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.details-grid.cute .details-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 157, 0.2);
}

.details-grid.cute .details-label {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.details-header {
    margin-bottom: var(--space-xl);
}

.details-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: var(--color-gray-800);
    position: relative;
    display: inline-block;
}

.details-highlight {
    display: inline-block;
    background: var(--gradient-warm);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.details-item {
    background: var(--color-gray-100);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--sand-pink);
}

.details-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--sand-pink);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.details-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-800);
    margin-bottom: 4px;
}

.details-note {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.schedule-options {
    background: var(--color-cream);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.schedule-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--space-md);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-md);
}

.schedule-item {
    background: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.schedule-type {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sand-pink);
    margin-bottom: var(--space-xs);
}

.schedule-example {
    display: block;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

.schedule-example small {
    font-size: 0.75rem;
    color: var(--color-gray-600);
}

.achievements {
    background: linear-gradient(135deg, rgba(255, 107, 157, 0.1) 0%, rgba(255, 179, 71, 0.1) 100%);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xl);
}

.achievements-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--space-sm);
}

.achievements-list {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* --------------------------------
   Course Section
   -------------------------------- */
.course {
    background: var(--color-cream);
    overflow: hidden;
}

.course-bg {
    position: absolute;
    top: 0;
    right: -200px;
    width: 600px;
    height: 600px;
    background: var(--gradient-rainbow);
    border-radius: 50%;
    opacity: 0.05;
    filter: blur(80px);
}

.course-timeline {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
        var(--sand-pink),
        var(--sand-orange),
        var(--sand-green),
        var(--sand-blue)
    );
}

.course-item {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    position: relative;
}

.course-marker {
    width: 42px;
    height: 42px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.course-marker span {
    color: var(--color-white);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
}

.course-marker .special {
    font-size: 1.25rem;
}

.course-content {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    flex: 1;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.course-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(8px);
}

.course-badge {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-gray-600);
    background: var(--color-gray-100);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xs);
}

.course-badge.popular {
    background: var(--gradient-warm);
    color: var(--color-white);
}

.course-badge.pro {
    background: var(--gradient-cool);
    color: var(--color-white);
}

.course-badge.special {
    background: var(--gradient-rainbow);
    color: var(--color-white);
}

.course-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.course-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
}

.course-meta {
    display: flex;
    gap: var(--space-md);
    font-size: 0.8125rem;
    color: var(--color-gray-600);
}

.course-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

.course-cta p {
    font-size: 1.125rem;
    margin-bottom: var(--space-md);
    color: var(--color-gray-800);
}

/* --------------------------------
   Gallery Section
   -------------------------------- */
.gallery {
    background: var(--color-white);
}

.gallery-filter {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-warm);
    color: var(--color-white);
    border-color: transparent;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.gallery-grid.five-columns {
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
}

@media (max-width: 1024px) {
    .gallery-grid.five-columns {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .gallery-grid.five-columns {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .gallery-grid.five-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.gradient-gallery-1 { background: linear-gradient(135deg, #FF6B9D 0%, #FF8C42 100%); }
.gradient-gallery-2 { background: linear-gradient(135deg, #2E7D32 0%, #C62828 100%); }
.gradient-gallery-3 { background: linear-gradient(135deg, #FFE066 0%, #FF6B9D 100%); }
.gradient-gallery-4 { background: linear-gradient(135deg, #FF6B9D 0%, #DDA0DD 100%); }
.gradient-gallery-5 { background: var(--gradient-rainbow); }
.gradient-gallery-6 { background: linear-gradient(135deg, #87CEEB 0%, #98D8AA 100%); }

.gallery-icon {
    font-size: 3rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

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

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    opacity: 0;
    transition: var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-title {
    color: var(--color-white);
    font-size: 0.9375rem;
    font-weight: 600;
}

.gallery-cta {
    text-align: center;
    margin-top: var(--space-xl);
}

/* --------------------------------
   Instructor Section
   -------------------------------- */
.instructor {
    background: var(--color-off-white);
}

.instructor-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.instructor-image-wrapper {
    position: relative;
}

.instructor-placeholder {
    width: 250px;
    height: 250px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
}

.instructor-initial {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-white);
}

.instructor-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--gradient-rainbow);
    border-radius: 50%;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.instructor-info .section-label {
    margin-bottom: var(--space-sm);
}

.instructor-name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.name-reading {
    display: block;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-gray-600);
    letter-spacing: 2px;
    margin-top: 4px;
}

.instructor-title {
    font-size: 0.9375rem;
    color: var(--sand-pink);
    font-weight: 500;
    margin-bottom: var(--space-md);
}

.instructor-bio {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-sm);
}

.instructor-social {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

.instructor-social a {
    width: 44px;
    height: 44px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.instructor-social a:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.instructor-social svg {
    width: 20px;
    height: 20px;
    fill: var(--color-gray-600);
    transition: var(--transition-fast);
}

.instructor-social a:hover svg {
    fill: var(--sand-pink);
}

/* --------------------------------
   Contact Section
   -------------------------------- */
.contact {
    background: var(--color-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.contact-bg {
    position: absolute;
    inset: 0;
}

.contact-particles {
    position: absolute;
    inset: 0;
}

.contact .section-label {
    color: var(--sand-orange);
}

.contact .section-title {
    color: var(--color-white);
}

.contact .section-title .highlight {
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact .section-description {
    color: rgba(255, 255, 255, 0.7);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: var(--transition-normal);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.contact-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-white);
}

.contact-icon.line svg,
.contact-icon.instagram svg {
    fill: var(--color-white);
    stroke: none;
}

.contact-icon.line {
    background: #00B900;
}

.contact-icon.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.contact-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.contact-value {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------
   Footer
   -------------------------------- */
.footer {
    background: #0D0D1A;
    color: var(--color-white);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-sm);
}

.footer-logo .logo-text {
    font-size: 1.5rem;
}

.footer-tagline {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-nav {
    display: flex;
    gap: var(--space-2xl);
}

.footer-nav-group h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.9);
}

.footer-nav-group ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-nav-group a {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition-fast);
}

.footer-nav-group a:hover {
    color: var(--sand-pink);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--gradient-warm);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    text-align: center;
}

.copyright {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

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

.animate-slide-in {
    opacity: 0;
    transform: translateX(-30px);
    animation: slideIn 0.8s ease forwards;
}

.animate-card {
    opacity: 0;
    transform: translateY(30px);
}

.animate-card.in-view {
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--delay) * 0.1s);
}

.animate-timeline {
    opacity: 0;
    transform: translateX(-20px);
}

.animate-timeline.in-view {
    animation: slideIn 0.6s ease forwards;
    animation-delay: calc(var(--delay) * 0.15s);
}

.animate-gallery {
    opacity: 0;
    transform: scale(0.9);
}

.animate-gallery.in-view {
    animation: scaleIn 0.5s ease forwards;
    animation-delay: calc(var(--delay) * 0.08s);
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

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

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* --------------------------------
   Responsive Design
   -------------------------------- */
@media (max-width: 1024px) {
    .about-content,
    .instructor-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-visual {
        order: -1;
    }

    .about-features {
        justify-content: center;
    }

    .instructor-image-wrapper {
        display: flex;
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-nav {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        box-shadow: var(--shadow-lg);
        padding: calc(var(--header-height) + var(--space-lg)) var(--space-lg);
        transition: right var(--transition-normal);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .nav-link {
        font-size: 1rem;
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .stat-number {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .timeline-line {
        left: 15px;
    }

    .course-marker {
        width: 32px;
        height: 32px;
    }

    .course-marker span {
        font-size: 0.875rem;
    }

    .course-item {
        gap: var(--space-md);
    }

    .section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .about-features {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }

    .feature {
        flex-direction: column;
        text-align: center;
    }

    .workshop-cards {
        grid-template-columns: 1fr;
    }

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

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .footer-nav {
        flex-direction: column;
        gap: var(--space-lg);
    }

    /* SP専用表示 */
    .sp-only {
        display: inline !important;
    }

    /* ブロック要素のSP専用表示 */
    p.sp-only,
    div.sp-only {
        display: block !important;
    }

    /* PC専用非表示 */
    .pc-only {
        display: none !important;
    }

    /* SP専用センター */
    .sp-center {
        display: block;
        text-align: center;
        margin-bottom: var(--space-sm);
    }

    /* ヒーローセクションを左寄せ */
    .hero-content {
        text-align: left;
    }

    /* aboutセクションのテキストを左寄せ */
    .about-text {
        text-align: left;
    }

    /* 講師紹介を左寄せ */
    .instructor-bio {
        text-align: left;
    }

    /* ワークショップセクションの説明文を左寄せ */
    .workshop .section-description {
        text-align: left;
    }

    /* イベント詳細のSPデザイン改善 */
    .workshop-details {
        padding: var(--space-md);
        margin-left: calc(-1 * var(--space-md));
        margin-right: calc(-1 * var(--space-md));
        border-radius: 0;
    }

    .details-grid.cute {
        padding: var(--space-sm);
        gap: var(--space-sm);
        grid-template-columns: 1fr;
    }

    .details-grid.cute .details-item {
        padding: var(--space-md);
        display: flex;
        flex-direction: column;
        gap: 4px;
    }

    .details-grid.cute .details-label {
        font-size: 0.75rem;
        font-weight: 600;
    }

    .details-grid.cute .details-value {
        font-size: 1rem;
        font-weight: 500;
    }

    .details-grid.cute .details-note {
        font-size: 0.75rem;
        margin-top: 4px;
        padding-left: 0;
    }
}

/* --------------------------------
   Accessibility
   -------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--sand-pink);
    outline-offset: 2px;
}

/* --------------------------------
   Logo Image
   -------------------------------- */
.logo-img {
    height: 50px;
    width: auto;
}

.footer-logo-img {
    height: 40px;
    width: auto;
}

/* --------------------------------
   Hero Image Slider
   -------------------------------- */
.hero-image-slider {
    position: absolute;
    inset: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.85) 0%,
        rgba(255, 249, 240, 0.8) 50%,
        rgba(253, 251, 247, 0.75) 100%
    );
}

/* --------------------------------
   About Image
   -------------------------------- */
.about-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 1;
}

.about-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 450px;
    aspect-ratio: 4/5;
}

/* --------------------------------
   Workshop Card Images
   -------------------------------- */
.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.workshop-card:hover .card-image img {
    transform: scale(1.1);
}

/* --------------------------------
   Course Cards (New Design)
   -------------------------------- */
.course-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.course-cards.four-columns {
    grid-template-columns: repeat(4, 1fr);
    max-width: 100%;
    gap: var(--space-lg);
}

@media (max-width: 1200px) {
    .course-cards.four-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .course-cards.four-columns {
        grid-template-columns: 1fr;
    }
}

.course-cards.three-columns {
    grid-template-columns: repeat(3, 1fr);
    max-width: 100%;
    gap: var(--space-lg);
}

@media (max-width: 1024px) {
    .course-cards.three-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .course-cards.three-columns {
        grid-template-columns: 1fr;
    }
}

.course-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.course-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.course-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.course-card:hover .course-card-image img {
    transform: scale(1.05);
}

/* 虹色レッスン用：縦長画像を綺麗に収める */
.course-card-image.rainbow-image {
    background: linear-gradient(135deg, #ff6b6b 0%, #feca57 17%, #48dbfb 34%, #1dd1a1 51%, #5f27cd 68%, #ff9ff3 85%, #ff6b6b 100%);
}

.course-card-image.rainbow-image img {
    object-fit: contain;
    width: 100%;
    height: 100%;
}

.course-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--color-white);
    color: var(--color-gray-800);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.course-badge.popular {
    background: var(--gradient-warm);
    color: var(--color-white);
}

.course-badge.basic {
    background: linear-gradient(135deg, #98D8AA 0%, #4CAF50 100%);
    color: var(--color-white);
}

.course-badge.smile {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    color: var(--color-white);
}

.course-badge.rainbow {
    background: linear-gradient(135deg, #FF6B6B 0%, #FFD93D 25%, #6BCB77 50%, #4D96FF 75%, #9B59B6 100%);
    color: var(--color-white);
}

.course-card-details {
    list-style: none;
    padding: 0;
    margin: var(--space-sm) 0 var(--space-md);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.course-card-details li {
    padding: 4px 0;
    padding-left: 1.4em;
    position: relative;
}

.course-card-details li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.course-card-details li small {
    color: var(--color-gray-500);
}

.course-card-content {
    padding: var(--space-lg);
}

.course-card-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.course-card-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sand-pink);
    margin-bottom: var(--space-sm);
}

.course-card-price small {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-gray-600);
}

.course-card-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-md);
    line-height: 1.7;
}

.course-card-includes {
    margin-bottom: var(--space-lg);
}

.course-card-includes li {
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-xs);
}

.course-card-includes li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--sand-green);
    font-weight: 700;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* --------------------------------
   Gallery with Real Images
   -------------------------------- */
.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* --------------------------------
   Order Banner Section
   -------------------------------- */
.order-section {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-off-white) 100%);
}

.order-banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    position: relative;
}

.order-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: var(--gradient-rainbow);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(60px);
}

.order-banner-content {
    position: relative;
    z-index: 1;
}

.order-banner-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.order-banner-description {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

.order-banner-price {
    margin-bottom: var(--space-lg);
}

.price-from {
    font-size: 2rem;
    font-weight: 700;
    color: var(--sand-pink);
}

.price-note {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.order-banner-images {
    position: relative;
    height: 300px;
}

.order-img {
    position: absolute;
    width: 200px;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.order-img-1 {
    top: 0;
    left: 0;
    z-index: 2;
}

.order-img-2 {
    bottom: 0;
    right: 0;
    z-index: 1;
}

.order-img:hover {
    transform: scale(1.05) rotate(2deg);
    z-index: 3;
}

/* --------------------------------
   Instructor Photo
   -------------------------------- */
.instructor-photo {
    width: 250px;
    height: 250px;
    object-fit: cover;
    object-position: center 20%;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
}

/* --------------------------------
   Responsive Additions
   -------------------------------- */
@media (max-width: 1024px) {
    .order-banner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .order-banner-images {
        height: 250px;
        display: flex;
        justify-content: center;
        gap: var(--space-md);
    }

    .order-img {
        position: relative;
        width: 150px;
        height: 200px;
    }

    .order-img-1,
    .order-img-2 {
        top: auto;
        left: auto;
        right: auto;
        bottom: auto;
    }

    .course-cards {
        grid-template-columns: 1fr;
        max-width: 450px;
    }
}

@media (max-width: 768px) {
    .logo-img {
        height: 40px;
    }

    .order-banner {
        padding: var(--space-lg);
    }

    .order-banner-images {
        height: 180px;
    }

    .order-img {
        width: 120px;
        height: 160px;
    }
}

@media (max-width: 480px) {
    .course-cards {
        grid-template-columns: 1fr;
    }

    .order-banner-images {
        flex-direction: column;
        height: auto;
        align-items: center;
    }

    .order-img {
        width: 100%;
        max-width: 200px;
        height: 150px;
    }
}

/* ================================
   Subpage Styles
   サブページ（artist.html, therapist.html, order.html）用
   ================================ */

/* --------------------------------
   Page Hero
   -------------------------------- */
.page-hero {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
    overflow: hidden;
}

.page-hero-bg {
    position: absolute;
    inset: 0;
}

.page-hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 107, 157, 0.85) 0%,
        rgba(255, 179, 71, 0.75) 100%
    );
}

.page-hero-green .page-hero-overlay {
    background: linear-gradient(
        135deg,
        rgba(152, 216, 170, 0.85) 0%,
        rgba(135, 206, 235, 0.75) 100%
    );
}

.page-hero-orange .page-hero-overlay {
    background: linear-gradient(
        135deg,
        rgba(255, 179, 71, 0.85) 0%,
        rgba(255, 107, 157, 0.75) 100%
    );
}

.page-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
}

.page-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.page-hero-badge.pink {
    background: rgba(255, 107, 157, 0.3);
}

.page-hero-badge.blue {
    background: rgba(135, 206, 235, 0.3);
}

.page-hero-badge.orange {
    background: rgba(255, 179, 71, 0.3);
}

.page-hero-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
}

/* --------------------------------
   Price Card
   -------------------------------- */
.course-detail-price {
    padding: var(--space-2xl) 0;
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.price-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.price-card-header {
    background: var(--gradient-warm);
    color: var(--color-white);
    padding: var(--space-xl);
    text-align: center;
}

.price-card.orange .price-card-header {
    background: linear-gradient(135deg, var(--sand-orange) 0%, var(--sand-yellow) 100%);
}

.price-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
    opacity: 0.9;
}

.price-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-yen {
    font-size: 1.5rem;
    font-weight: 500;
}

.price-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.price-tax {
    font-size: 0.9375rem;
    opacity: 0.9;
}

.price-card-body {
    padding: var(--space-xl);
}

.price-includes {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.price-includes li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

.price-includes li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--sand-green);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* --------------------------------
   Features Section
   -------------------------------- */
.features-section {
    background: var(--color-off-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.feature-card-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-white);
}

.feature-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* --------------------------------
   Curriculum Section
   -------------------------------- */
.alt-bg {
    background: var(--color-cream);
}

.curriculum-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.curriculum-item {
    background: linear-gradient(135deg, #FFF5F8 0%, #FFF0E6 50%, #F0F8FF 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: 0 4px 20px rgba(255, 107, 157, 0.1);
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.curriculum-item::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--sand-pink), var(--sand-orange), var(--sand-yellow), var(--sand-green), var(--sand-blue));
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
}

.curriculum-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(255, 107, 157, 0.2);
}

.curriculum-item:hover::before {
    opacity: 0.5;
}

.curriculum-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-warm);
    border-radius: 50%;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.curriculum-icon span {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
}

.curriculum-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--gradient-warm);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.curriculum-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    background: var(--gradient-warm);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.curriculum-description {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* Curriculum Simple (for Therapist) */
.curriculum-simple {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.curriculum-simple-item {
    display: flex;
    gap: var(--space-lg);
    align-items: flex-start;
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.curriculum-simple-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-nature);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.curriculum-simple-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
}

.curriculum-simple-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.curriculum-simple-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

.curriculum-note {
    max-width: 700px;
    margin: var(--space-xl) auto 0;
    background: rgba(255, 107, 157, 0.1);
    border-left: 4px solid var(--sand-pink);
    padding: var(--space-md);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.curriculum-note p {
    font-size: 0.9375rem;
    color: var(--color-gray-800);
    line-height: 1.7;
}

.curriculum-note a {
    color: var(--sand-pink);
    font-weight: 600;
    text-decoration: underline;
}

.curriculum-note a:hover {
    text-decoration: none;
}

/* --------------------------------
   Style Cards (Lesson Style)
   -------------------------------- */
.style-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.style-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.style-card:hover {
    border-color: var(--sand-pink);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.style-card-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.style-card-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.style-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.style-card-location {
    font-size: 0.8125rem;
    color: var(--sand-pink);
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.style-card-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    text-align: left;
}

/* --------------------------------
   CTA Section
   -------------------------------- */
.cta-section {
    background: var(--color-dark);
    padding: var(--space-2xl) 0;
}

.cta-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.cta-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn-line {
    background: #00B900;
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(0, 185, 0, 0.3);
}

.btn-line:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 185, 0, 0.4);
}

.btn-line svg {
    width: 20px;
    height: 20px;
}

/* --------------------------------
   Order Flow Section
   -------------------------------- */
.order-flow {
    background: var(--color-white);
}

.flow-steps {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.flow-step {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    position: relative;
}

.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 24px;
    top: 50px;
    width: 2px;
    height: calc(100% - 30px);
    background: var(--gradient-warm);
    opacity: 0.3;
}

.flow-step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-warm);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(255, 107, 157, 0.3);
}

.flow-step-content {
    flex: 1;
    padding-top: var(--space-xs);
}

.flow-step-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.flow-step-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* --------------------------------
   Order Examples Section
   -------------------------------- */
.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.examples-grid.four-columns {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .examples-grid.four-columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .examples-grid.four-columns {
        grid-template-columns: 1fr;
    }
}

.example-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.example-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.example-image {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--color-white);
    padding: var(--space-md);
}

.example-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.example-card:hover .example-image img {
    transform: scale(1.1);
}

.example-content {
    padding: var(--space-md);
}

.example-tag {
    display: inline-block;
    background: var(--gradient-warm);
    color: var(--color-white);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.example-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.example-content p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* --------------------------------
   Size & Price Section
   -------------------------------- */
.size-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.size-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    position: relative;
    border: 2px solid transparent;
}

.size-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.size-card.popular {
    border-color: var(--sand-pink);
}

.size-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-warm);
    color: var(--color-white);
    padding: 4px 16px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.size-card-header {
    margin-bottom: var(--space-md);
}

.size-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--gradient-warm);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.size-card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.size-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sand-pink);
    margin-bottom: var(--space-sm);
}

.size-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* --------------------------------
   Options Section
   -------------------------------- */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.option-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.option-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-warm);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.option-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-white);
}

.option-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.option-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sand-pink);
    margin-bottom: var(--space-sm);
}

.option-card p:last-child {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    white-space: nowrap;
}

/* --------------------------------
   Notes Section
   -------------------------------- */
.notes {
    background: var(--color-off-white);
    padding: var(--space-xl) 0;
}

.notes-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--sand-orange);
}

.notes-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-gray-800);
}

.notes-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.notes-card li {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.7;
    padding-left: var(--space-md);
    position: relative;
}

.notes-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--sand-orange);
    font-weight: 700;
}

.notes-card li strong {
    color: var(--color-gray-800);
}

/* --------------------------------
   Notes List (Multiple Cards)
   -------------------------------- */
.notes-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 800px;
    margin: 0 auto;
}

/* --------------------------------
   Order Notice
   -------------------------------- */
.order-notice {
    max-width: 800px;
    margin: var(--space-xl) auto 0;
    padding: var(--space-lg);
    background: linear-gradient(135deg, #fff5f0 0%, #fff 100%);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--sand-orange);
}

.order-notice p {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin: 0;
}

.order-notice strong {
    color: var(--sand-orange);
}

/* --------------------------------
   Voice Section (お客様の声)
   -------------------------------- */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.voice-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    position: relative;
    display: flex;
    flex-direction: column;
}

.voice-card::before {
    content: '「';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-md);
    font-size: 3rem;
    font-family: var(--font-body);
    color: var(--sand-pink);
    opacity: 0.4;
    line-height: 1;
}

.voice-content {
    flex: 1;
    padding-top: var(--space-lg);
}

.voice-content p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin: 0;
}

.voice-tag {
    display: inline-block;
    margin-top: var(--space-md);
    padding: 4px 12px;
    background: var(--gradient-warm);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

/* --------------------------------
   FAQ Section (よくある質問)
   -------------------------------- */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    text-align: left;
}

.faq-icon {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    background: var(--gradient-warm);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    line-height: 1.6;
    margin: 0;
    padding-top: 4px;
}

.faq-answer {
    margin-top: var(--space-md);
    padding-left: calc(32px + var(--space-md));
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin: 0;
}

/* --------------------------------
   Subpage Responsive
   -------------------------------- */
@media (max-width: 768px) {
    .page-hero {
        min-height: 40vh;
    }

    .page-hero-title {
        font-size: 1.75rem;
    }

    .price-number {
        font-size: 2.5rem;
    }

    .curriculum-simple-item {
        flex-direction: column;
        text-align: center;
    }

    .curriculum-simple-icon {
        margin: 0 auto;
    }

    .flow-step {
        gap: var(--space-md);
        margin-bottom: var(--space-lg);
    }

    .flow-step-number {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .flow-step-content h3 {
        font-size: 1rem;
    }

    .flow-step-content p {
        font-size: 0.875rem;
    }

    .flow-step:not(:last-child)::after {
        display: none;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Voice Section Responsive */
    .voice-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .voice-card {
        padding: var(--space-lg);
    }

    .voice-card::before {
        font-size: 3rem;
    }

    /* FAQ Section Responsive */
    .faq-item {
        padding: var(--space-md);
    }

    .faq-answer {
        padding-left: 0;
        margin-top: var(--space-sm);
    }

    .faq-question {
        gap: var(--space-sm);
    }

    .faq-icon {
        width: 28px;
        height: 28px;
        font-size: 0.875rem;
    }

    /* Notes Section Responsive */
    .notes-card {
        padding: var(--space-lg);
    }

    /* Order Notice Responsive */
    .order-notice {
        padding: var(--space-md);
    }
}

@media (max-width: 480px) {
    .features-grid,
    .style-cards,
    .size-grid,
    .options-grid {
        grid-template-columns: 1fr;
    }

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

/* ================================
   Back to Top Button - Simple Cute
   ================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: #FFD93D;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.back-to-top:active {
    transform: translateY(-1px);
}

.back-to-top .nico-face {
    width: 40px;
    height: 40px;
    position: relative;
}

/* Eyes */
.back-to-top .nico-eye {
    position: absolute;
    width: 6px;
    height: 6px;
    background: #333;
    border-radius: 50%;
    top: 12px;
}

.back-to-top .nico-eye.left {
    left: 10px;
}

.back-to-top .nico-eye.right {
    right: 10px;
}

/* Smile */
.back-to-top .nico-smile {
    position: absolute;
    width: 16px;
    height: 8px;
    border: 2.5px solid #333;
    border-color: transparent transparent #333 transparent;
    border-radius: 0 0 16px 16px;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
}

/* Arrow */
.back-to-top .nico-arrow {
    position: absolute;
    top: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 8px solid #333;
}

@media (max-width: 768px) {
    .back-to-top {
        width: 48px;
        height: 48px;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top .nico-face {
        width: 34px;
        height: 34px;
    }

    .back-to-top .nico-eye {
        width: 5px;
        height: 5px;
        top: 10px;
    }

    .back-to-top .nico-eye.left {
        left: 8px;
    }

    .back-to-top .nico-eye.right {
        right: 8px;
    }

    .back-to-top .nico-smile {
        width: 14px;
        height: 7px;
        border-width: 2px;
        bottom: 6px;
    }

    .back-to-top .nico-arrow {
        border-left-width: 5px;
        border-right-width: 5px;
        border-bottom-width: 7px;
    }
}

/* ================================
   Course Card Note
   ================================ */
.course-card-note {
    display: block;
    font-size: 0.8125rem;
    color: var(--sand-pink);
    margin-top: var(--space-xs);
    font-weight: 500;
}

.course-card-note::before {
    content: '✨ ';
}

/* ================================
   Artist Course - Worries Section
   ================================ */
.worries-section {
    background: linear-gradient(135deg, #FFF5F8 0%, #FFF0E6 100%);
}

.worries-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    max-width: 600px;
    margin: 0 auto;
}

.worry-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.worry-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.worry-text {
    font-size: 1.125rem;
    color: var(--color-gray-700);
    font-weight: 500;
}

/* ================================
   Artist Course - Appeal Section
   ================================ */
.appeal-section {
    background: var(--color-white);
}

.appeal-cards {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.appeal-card {
    background: linear-gradient(135deg, #FFFBF5 0%, #FFF5F8 100%);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--sand-pink);
}

.appeal-card-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--sand-pink);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.appeal-card-title::before {
    content: '♡';
    font-size: 1.25rem;
}

.appeal-card-text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
}

.appeal-card-text strong {
    color: var(--sand-pink);
    font-weight: 600;
}

.appeal-card-highlight {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--sand-pink);
    font-weight: 600;
    background: rgba(255, 107, 157, 0.1);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-top: var(--space-md);
}

/* ================================
   Artist Course - Testimonials Section
   ================================ */
.testimonials-section {
    background: linear-gradient(135deg, #F8F9FF 0%, #FFF5F8 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--color-white);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--space-sm);
    left: var(--space-md);
    font-size: 3rem;
    color: var(--sand-pink);
    opacity: 0.3;
    font-family: serif;
    line-height: 1;
}

.testimonial-text {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--color-gray-700);
    padding-left: var(--space-md);
}

/* ================================
   Artist Course - Flow Section
   ================================ */
.flow-section {
    background: var(--color-white);
}

.flow-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 700px;
    margin: 0 auto;
}

.flow-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.flow-step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--sand-pink) 0%, var(--sand-orange) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.flow-step-content {
    flex: 1;
    padding-top: var(--space-xs);
}

.flow-step-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    color: var(--color-gray-800);
}

.flow-step-text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Flow連結線 */
.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    width: 2px;
    height: calc(100% - 60px);
    background: linear-gradient(to bottom, var(--sand-pink), var(--sand-orange));
}

.flow-step {
    position: relative;
}

@media (max-width: 768px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .worry-item {
        padding: var(--space-md);
    }

    .worry-text {
        font-size: 1rem;
    }

    .appeal-card {
        padding: var(--space-lg);
    }

    .appeal-card-title {
        font-size: 1.25rem;
    }

    .flow-step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
}

/* ================================
   Blog Styles - ブログ
   ================================ */

/* ブログ一覧グリッド */
.blog-list {
    background: var(--color-off-white);
    position: relative;
}

.blog-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(180deg, rgba(255, 182, 193, 0.1) 0%, transparent 100%);
    pointer-events: none;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    position: relative;
}

@media (max-width: 992px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 576px) {
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ブログカード */
.blog-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.blog-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sand-pink), var(--sand-orange), var(--sand-yellow), var(--sand-green), var(--sand-blue), var(--sand-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.blog-card-link {
    display: flex;
    flex-direction: row;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.blog-card-image {
    position: relative;
    width: 140px;
    min-width: 140px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.1);
}

.blog-card-category {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
    background: linear-gradient(135deg, var(--sand-pink) 0%, var(--sand-orange) 100%);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(255, 154, 139, 0.4);
}

.blog-card-content {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.blog-card-date {
    display: inline-flex;
    align-items: center;
    font-size: 0.8rem;
    color: var(--color-gray-500);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.blog-card-date::before {
    content: '';
    width: 12px;
    height: 2px;
    background: linear-gradient(90deg, var(--sand-pink), var(--sand-orange));
    margin-right: 0.5rem;
    border-radius: 1px;
}

.blog-card-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 0.5rem;
    color: var(--color-gray-800);
    transition: color 0.3s ease;
}

.blog-card:hover .blog-card-title {
    color: var(--color-primary);
}

.blog-card-excerpt {
    font-size: 0.85rem;
    color: var(--color-gray-500);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* モバイルでは縦型レイアウト */
@media (max-width: 576px) {
    .blog-card-link {
        flex-direction: column;
    }

    .blog-card-image {
        width: 100%;
        min-width: unset;
        height: auto;
        aspect-ratio: 4 / 3;
        overflow: hidden;
    }

    .blog-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center center;
    }

    .blog-card-content {
        padding: 1.25rem;
    }

    .blog-card-title {
        font-size: 0.95rem;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .blog-card-excerpt {
        -webkit-line-clamp: 3;
    }
}

/* ブログCTA */
.blog-cta {
    background: var(--color-white);
}

.cta-box {
    background: linear-gradient(135deg, var(--sand-pink) 0%, var(--sand-orange) 100%);
    border-radius: 24px;
    padding: 3rem;
    text-align: center;
    color: white;
}

.cta-box h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.cta-box p {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-box .btn-primary {
    background: white;
    color: var(--color-primary);
}

.cta-box .btn-outline {
    border-color: white;
    color: white;
}

.cta-box .btn-outline:hover {
    background: white;
    color: var(--color-primary);
}

@media (max-width: 576px) {
    .cta-box {
        padding: 2rem 1.5rem;
    }

    .cta-box h2 {
        font-size: 1.4rem;
    }

    .cta-box p {
        text-align: left;
        font-size: 0.9rem;
    }
}

/* ブログ記事ページ */
.blog-post-hero {
    background: linear-gradient(135deg, var(--sand-pink) 0%, var(--sand-purple) 100%);
    padding: 8rem 0 4rem;
    color: white;
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.blog-back-link {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.blog-back-link:hover {
    opacity: 1;
}

.blog-post-category {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}

.blog-post-title {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

.blog-post-date {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* 記事本文 */
.blog-post-content {
    padding: 4rem 0;
    background: var(--color-off-white);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.blog-post-image {
    margin: 2rem 0 3rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.blog-post-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    display: block;
}

.blog-post-body {
    background: var(--color-white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.blog-post-body .lead {
    font-size: 1.15rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.blog-post-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
    color: var(--color-gray-800);
    padding-left: 1rem;
    border-left: 4px solid var(--color-primary);
}

.blog-post-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: var(--color-gray-800);
}

.blog-post-body p {
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    color: var(--color-gray-600);
}

.blog-post-body ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.blog-post-body li {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 0.5rem;
    color: var(--color-gray-600);
}

/* 記事内CTA */
.blog-cta-box {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-off-white) 100%);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    margin-top: 3rem;
    border: 2px solid var(--color-primary);
}

.blog-cta-box h3 {
    margin: 0 0 1.5rem;
    border: none;
    padding: 0;
}

.blog-cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 記事内画像（キャプション付き） */
.blog-post-body figure {
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.blog-post-body figure img {
    width: 100%;
    height: auto;
    display: block;
}

.blog-post-body figcaption {
    padding: 1rem 1.5rem;
    background: var(--color-gray-50);
    font-size: 0.9rem;
    color: var(--color-gray-600);
    text-align: center;
    border-top: 1px solid var(--color-gray-200);
}

/* フォトギャラリー */
.blog-photo-gallery {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.blog-photo-gallery figure {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-photo-gallery figure:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.blog-photo-gallery figure img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.blog-photo-gallery figcaption {
    padding: 0.75rem 1rem;
    background: var(--color-gray-50);
    font-size: 0.85rem;
    color: var(--color-gray-600);
    text-align: center;
}

@media (max-width: 600px) {
    .blog-photo-gallery {
        grid-template-columns: 1fr;
    }

    .blog-photo-gallery figure img {
        height: 180px;
    }
}

/* ハイライトボックス */
.blog-highlight-box {
    background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-off-white) 100%);
    padding: 1.5rem 2rem;
    border-radius: 12px;
    margin: 2rem 0;
    border-left: 4px solid var(--color-primary);
}

.blog-highlight-box p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.8;
}

/* レッスン情報ボックス */
.lesson-info-box {
    background: linear-gradient(135deg, #fff5f5 0%, #fff0f5 50%, #f0f5ff 100%);
    padding: 2rem;
    border-radius: 16px;
    margin: 2rem 0;
    border-left: 4px solid;
    border-image: linear-gradient(180deg, #FF6B6B, #FFD93D, #6BCB77, #4D96FF, #9B59B6) 1;
}

.lesson-info-box ul {
    list-style: none;
    padding: 0;
    margin: 0 0 1rem;
}

.lesson-info-box li {
    padding: 0.5rem 0;
    border-bottom: 1px dashed rgba(0,0,0,0.1);
}

.lesson-info-box li:last-child {
    border-bottom: none;
}

.lesson-info-box .note {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin: 0;
}

/* 著者情報 */
.blog-author {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--color-white);
    padding: 2rem;
    border-radius: 16px;
    margin-top: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.blog-author-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-author-label {
    font-size: 0.8rem;
    color: var(--color-gray-600);
}

.blog-author-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0.25rem 0;
}

.blog-author-title {
    font-size: 0.9rem;
    color: var(--color-gray-600);
    margin: 0;
}

/* 関連記事 */
.blog-related {
    margin-top: 4rem;
}

.blog-related h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.blog-related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.blog-related-card {
    display: block;
    background: var(--color-white);
    border-radius: 12px;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.blog-related-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.blog-related-card h3 {
    font-size: 0.95rem;
    font-weight: 500;
    padding: 1rem;
    color: var(--color-gray-800);
    line-height: 1.5;
}

@media (max-width: 768px) {
    .blog-post-title {
        font-size: 1.75rem;
    }

    .blog-post-body {
        padding: 2rem 1.5rem;
    }

    .blog-author {
        flex-direction: column;
        text-align: center;
    }

    .blog-related-grid {
        grid-template-columns: 1fr;
    }
}

/* ================================
   FAQ Section
   ================================ */
.faq-section {
    background: var(--color-gray-50);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray-800);
    transition: background var(--transition-normal);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-icon {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    margin-left: var(--space-md);
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-primary);
    transition: transform var(--transition-normal);
}

.faq-icon::before {
    width: 2px;
    height: 16px;
    top: 4px;
    left: 11px;
}

.faq-icon::after {
    width: 16px;
    height: 2px;
    top: 11px;
    left: 4px;
}

.faq-item.active .faq-icon::before {
    transform: rotate(90deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--space-xl) var(--space-lg);
    color: var(--color-gray-600);
    line-height: 1.8;
}

@media (max-width: 768px) {
    .faq-question {
        padding: var(--space-md) var(--space-lg);
        font-size: 0.95rem;
    }

    .faq-answer p {
        padding: 0 var(--space-lg) var(--space-md);
    }
}

/* ================================
   Testimonial Detail Cards
   セラピストコース用の詳細な受講生の声
   ================================ */
.testimonials-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
}

.testimonial-detail-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
}

.testimonial-detail-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gray-200);
}

.testimonial-detail-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.testimonial-detail-avatar svg {
    width: 28px;
    height: 28px;
    fill: var(--color-white);
}

.testimonial-detail-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-detail-location {
    font-weight: 600;
    color: var(--color-gray-800);
}

.testimonial-detail-type {
    font-size: 0.85rem;
    color: var(--color-primary);
    background: rgba(225, 119, 119, 0.1);
    padding: 2px 10px;
    border-radius: var(--radius-full);
    width: fit-content;
}

.testimonial-detail-text {
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.testimonial-detail-text:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .testimonials-detail-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-detail-card {
        padding: var(--space-lg);
    }
}