/* ==========================================
   NAD+ Therapy Premium Styles
   Design System v9.0
   ========================================== */

/* ==========================================
   1. Premium Hero Section
   ========================================== */

.hero-premium {
    position: relative;
    background: linear-gradient(135deg, #0A3D3D 0%, #1a5a5a 50%, #4A6B5B 100%);
    color: #ffffff;
    text-align: center;
    padding: 8rem 2rem;
    margin: 0;
    overflow: hidden;
    min-height: 500px;
    display: flex;
    align-items: center;
}

/* 浮遊アイコン */
.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 3rem;
    color: rgba(201, 169, 97, 0.15);
    animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 60%;
    right: 15%;
    font-size: 3.5rem;
    animation-delay: 1s;
    animation-duration: 7s;
}

.floating-icon:nth-child(3) {
    bottom: 20%;
    left: 15%;
    animation-delay: 2s;
    animation-duration: 8s;
}

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

/* Hero Content */
.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title-main {
    font-size: clamp(2.2rem, 6vw, 4.2rem);
    color: #ffffff;
    margin: 0 0 1rem 0;
    line-height: 1.3;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.hero-title-sub {
    font-size: clamp(1.1rem, 3.5vw, 1.8rem);
    color: #ffffff;
    opacity: 0.95;
    margin-bottom: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* Hero CTA Buttons */
.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.btn-premium {
    font-size: 1.1rem;
    padding: 1.2rem 3rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.btn-primary {
    background: linear-gradient(135deg, #C9A961 0%, #d4b76e 100%);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(201, 169, 97, 0.4);
}

.btn-line {
    background: linear-gradient(135deg, #06C755 0%, #00B900 100%);
    color: white;
    box-shadow: 0 8px 24px rgba(6, 199, 85, 0.3);
}

.hero-benefits {
    font-size: 0.9rem;
    color: #ffffff;
    opacity: 0.9;
    margin: 0;
    padding: 0 15px;
}

.hero-benefits i {
    color: #C9A961;
    margin: 0 5px;
}

/* ==========================================
   2. Wave Divider
   ========================================== */

.wave-divider {
    position: relative;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    margin: 0;
    padding: 0;
}

.wave-divider.top {
    margin-top: -1px;
}

.wave-divider.bottom {
    margin-bottom: -1px;
}

.wave-divider svg {
    width: 100%;
    height: 80px;
    display: block;
}

/* Wave Divider カラーバリエーション */
.wave-divider.white-to-gray path {
    fill: #f8f9fa;
}

.wave-divider.gray-to-white path {
    fill: #ffffff;
}

.wave-divider.teal-to-white path {
    fill: #ffffff;
}

/* ==========================================
   3. Breadcrumb Wrapper
   ========================================== */

.breadcrumb-wrapper {
    background: #f8f9fa;
    padding: 1rem 0;
    margin: 0;
}

.breadcrumb-wrapper .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: #666;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: #0A3D3D;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: color 0.3s;
}

.breadcrumb-item:hover {
    color: #4A6B5B;
}

.breadcrumb-item.active {
    color: #666;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #999;
}

/* ==========================================
   4. Section Styles
   ========================================== */

.section {
    padding: 4rem 2rem;
    background: white;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #0A3D3D;
    margin-bottom: 1rem;
    font-weight: 600;
    text-align: center;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #4A5568;
    line-height: 1.8;
}

/* ==========================================
   5. Pulse Animation
   ========================================== */

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* ==========================================
   6. Responsive Design
   ========================================== */

@media (max-width: 768px) {
    .hero-premium {
        padding: 4rem 1.5rem;
        min-height: 400px;
    }

    .hero-title-main {
        font-size: 2rem;
    }

    .hero-title-sub {
        font-size: 1.2rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-premium {
        width: 100%;
        justify-content: center;
        padding: 1rem 2rem;
        font-size: 1rem;
    }

    .floating-icon {
        font-size: 2rem;
    }

    .floating-icon:nth-child(2) {
        font-size: 2.5rem;
    }

    .wave-divider svg {
        height: 60px;
    }

    .section {
        padding: 3rem 1.5rem;
    }

    .breadcrumb-wrapper .container {
        padding: 0 1rem;
    }

    .breadcrumb {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .hero-premium {
        padding: 3rem 1rem;
        min-height: 350px;
    }

    .hero-title-main {
        font-size: 1.8rem;
    }

    .hero-title-sub {
        font-size: 1rem;
    }

    .btn-premium {
        padding: 0.9rem 1.5rem;
        font-size: 0.95rem;
    }

    .wave-divider svg {
        height: 50px;
    }

    .section {
        padding: 2.5rem 1rem;
    }

    .hero-benefits {
        font-size: 0.8rem;
    }
}

/* ==========================================
   7. Animation Classes
   ========================================== */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

.animate-fade-up {
    animation-name: fadeUp;
    animation-duration: 0.6s;
    animation-fill-mode: both;
}

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

/* ==========================================
   8. Utility Classes
   ========================================== */

.sp-only {
    display: none;
}

@media (max-width: 768px) {
    .sp-only {
        display: inline;
    }
    .pc-only {
        display: none;
    }
}

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

.mt-0 {
    margin-top: 0 !important;
}

.mb-0 {
    margin-bottom: 0 !important;
}

.pt-0 {
    padding-top: 0 !important;
}

.pb-0 {
    padding-bottom: 0 !important;
}