/* ================================
   ふわり - About Page Styles
   運営者情報ページ専用スタイル
   ================================ */

/* ================================
   About Hero
   ================================ */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--black);
    overflow: hidden;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* Grid pattern */
.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    animation: gridMove 30s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(80px, 80px); }
}

/* Glow effect */
.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.15) 0%, transparent 50%);
    animation: glowPulse 6s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
}

.hero-shape-1 {
    width: 800px;
    height: 800px;
    top: -300px;
    right: -300px;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.4) 0%, rgba(230, 57, 70, 0.1) 40%, transparent 70%);
    animation: float1 12s ease-in-out infinite;
    filter: blur(40px);
}

.hero-shape-2 {
    width: 600px;
    height: 600px;
    bottom: -200px;
    left: -200px;
    background: radial-gradient(circle, rgba(230, 57, 70, 0.35) 0%, rgba(230, 57, 70, 0.1) 40%, transparent 70%);
    animation: float2 10s ease-in-out infinite;
    filter: blur(30px);
}

.hero-shape-3 {
    width: 400px;
    height: 400px;
    top: 30%;
    left: 40%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 60%);
    border: 2px solid rgba(255, 255, 255, 0.1);
    animation: float3 14s ease-in-out infinite, pulse 4s ease-in-out infinite;
}

.hero-shape-4 {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 10%;
    background: rgba(230, 57, 70, 0.4);
    filter: blur(60px);
    animation: float4 8s ease-in-out infinite;
}

.hero-shape-5 {
    width: 100px;
    height: 100px;
    bottom: 30%;
    right: 15%;
    border: 1px solid rgba(230, 57, 70, 0.5);
    background: transparent;
    animation: float5 10s ease-in-out infinite;
}

@keyframes float4 {
    0%, 100% { transform: translate(0, 0); opacity: 0.8; }
    50% { transform: translate(40px, -30px); opacity: 1; }
}

@keyframes float5 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-30px, 20px) rotate(180deg); }
}

@keyframes float1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(-80px, 40px) scale(1.15); }
    50% { transform: translate(-40px, 80px) scale(1.1); }
    75% { transform: translate(-100px, 20px) scale(1.2); }
}

@keyframes float2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(60px, -40px) scale(1.1); }
    50% { transform: translate(40px, -80px) scale(1.15); }
    75% { transform: translate(80px, -20px) scale(1.05); }
}

@keyframes float3 {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    50% { transform: translate(-40px, 40px) rotate(180deg) scale(1.2); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-particle {
    position: absolute;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    animation: particleRise 5s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(230, 57, 70, 0.5);
}

@keyframes particleRise {
    0% { opacity: 0; transform: translateY(100vh) scale(0); }
    10% { opacity: 0.8; }
    90% { opacity: 0.8; }
    100% { opacity: 0; transform: translateY(-100px) scale(1.5); }
}

.about-hero .container {
    position: relative;
    z-index: 1;
}

.about-hero-content {
    max-width: 700px;
}

.about-hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.about-hero-label.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease 0.1s;
}

.about-hero-title.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-hero-title .highlight {
    color: var(--accent);
    position: relative;
    display: inline-block;
    animation: fuwatto 3s ease-in-out infinite;
}

.about-hero-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease 0.2s;
}

.about-hero-desc.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-hero .scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.about-hero .scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    position: relative;
    overflow: hidden;
}

.about-hero .scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--accent);
    animation: scrollDown 1.5s ease-in-out infinite;
}

@keyframes scrollDown {
    0% { transform: translateY(-20px); opacity: 0; }
    30% { opacity: 1; }
    100% { transform: translateY(60px); opacity: 0; }
}

/* ================================
   Section Common
   ================================ */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 16px;
}

.section-label.light {
    color: rgba(255, 255, 255, 0.5);
}

.section-title-large {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.02em;
    line-height: 1.3;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

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

/* ================================
   Concept Section
   ================================ */
.concept-section {
    padding: 120px 0;
    background: var(--white);
}

.concept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.concept-text {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.concept-text.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.concept-lead {
    font-size: 1.25rem;
    color: var(--dark);
    line-height: 2;
    margin: 32px 0;
    padding-left: 24px;
    border-left: 3px solid var(--accent);
}

.concept-body {
    font-size: 1rem;
    color: var(--gray);
    line-height: 2;
}

.concept-visual {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease 0.2s;
}

.concept-visual.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.concept-card {
    background: var(--black);
    padding: 60px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.concept-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 30%, rgba(230, 57, 70, 0.2) 0%, transparent 60%);
}

.concept-icon {
    color: var(--accent);
    margin-bottom: 32px;
    position: relative;
}

.concept-stat {
    position: relative;
    margin-bottom: 16px;
}

.stat-number {
    font-size: 5rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    vertical-align: top;
}

.concept-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    position: relative;
}

/* ================================
   Features Section
   ================================ */
.features-section {
    padding: 120px 0;
    background: var(--off-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 48px 36px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    transform: translateY(-8px);
}

.feature-card:hover .feature-line {
    width: 100%;
}

.feature-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--off-white);
    line-height: 1;
    margin-bottom: 24px;
    transition: color 0.3s ease;
}

.feature-card:hover .feature-number {
    color: var(--accent-light);
}

.feature-icon {
    color: var(--accent);
    margin-bottom: 24px;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.feature-desc {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.8;
}

.feature-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: width 0.4s ease;
}

/* ================================
   Mission Section
   ================================ */
.mission-section {
    position: relative;
    padding: 160px 0;
    background: var(--black);
    overflow: hidden;
}

.mission-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(230, 57, 70, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(230, 57, 70, 0.1) 0%, transparent 40%);
}

.mission-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.mission-content.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.mission-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 40px;
}

.mission-title .highlight {
    color: var(--accent);
    animation: fuwatto 3s ease-in-out infinite;
    display: inline-block;
}

.mission-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 2;
    margin-bottom: 24px;
}

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

/* ================================
   Operator Section
   ================================ */
.operator-section {
    padding: 120px 0;
    background: var(--white);
}

.operator-card {
    max-width: 800px;
    margin: 0 auto;
    background: var(--off-white);
    padding: 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.operator-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.operator-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.operator-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.operator-item.full-width {
    grid-column: 1 / -1;
    padding-top: 32px;
    border-top: 1px solid var(--light-gray);
    text-align: center;
}

.operator-item dt {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.operator-item dd {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--black);
}

.operator-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 18px 64px;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    min-width: 280px;
}

.operator-btn:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* ================================
   CTA Section
   ================================ */
.cta-section {
    padding: 120px 0;
    background: var(--off-white);
    border-top: 1px solid var(--light-gray);
}

.cta-content {
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.cta-content.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.cta-text {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 48px;
    background: var(--black);
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cta-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--accent);
    transition: left 0.3s ease;
    z-index: 0;
}

.cta-btn:hover::before {
    left: 0;
}

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

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-btn svg {
    transition: transform 0.3s ease;
}

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

/* ================================
   Responsive
   ================================ */
@media (max-width: 900px) {
    .concept-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

@media (max-width: 600px) {
    .about-hero {
        min-height: auto;
        padding: 100px 0 80px;
    }

    .concept-section,
    .features-section,
    .operator-section,
    .cta-section {
        padding: 80px 0;
    }

    .mission-section {
        padding: 100px 0;
    }

    .concept-card {
        padding: 40px 24px;
    }

    .stat-number {
        font-size: 3.5rem;
    }

    .feature-card {
        padding: 32px 24px;
    }

    .feature-number {
        font-size: 3rem;
    }

    .operator-card {
        padding: 32px 24px;
    }

    .cta-btn {
        padding: 16px 32px;
    }

    .about-hero .scroll-indicator {
        display: none;
    }
}