:root {
    --primary-color: #E63946; /* Warm Red */
    --hover-color: #c02d38;
    --accent-color: #00A8E8; /* Futuristic Blue */
    --bg-light: #F7F9FC;
    --text-main: #333333;
    --text-muted: #666666;
    --white: #FFFFFF;
    --border-color: #E0E5EC;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans JP', 'Inter', sans-serif;
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.section-desc {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--text-muted);
}
.easy-icon {
    display: inline-block;
    background-color: #FFC107;
    color: #D32F2F;
    font-size: 1.4rem;
    font-weight: 900;
    padding: 8px 18px;
    border-radius: 30px;
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.5);
    border: 3px solid #FFF;
    transform: rotate(-6deg);
    line-height: 1.2;
    animation: pop-bounce 2s infinite ease-in-out;
}
@keyframes pop-bounce {
    0%, 100% { transform: scale(1) rotate(-6deg); }
    50% { transform: scale(1.08) rotate(-2deg); }
}

/* Buttons */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    background-color: var(--primary-color);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(230, 57, 70, 0.3);
}
.cta-button:hover {
    background-color: var(--hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}
.secondary-cta {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    font-size: 1rem;
    padding: 12px 24px;
    box-shadow: none;
}
.secondary-cta:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    flex-shrink: 0;
}
.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* New Header Styles */
.header-left {
    display: flex;
    align-items: center;
    gap: 15px;
}
.header-site-desc {
    margin: 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    line-height: 1.3;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}
.header-tel {
    text-align: right;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.header-tel-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: bold;
    line-height: 1;
}
.header-tel-number {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: bold;
    line-height: 1.2;
    margin-top: 4px;
}
.header-btns {
    display: flex;
    gap: 10px;
    align-items: center;
}
.header-cta {
    padding: 10px 24px;
    font-size: 0.9rem;
    margin: 0;
}
.header-cta-inquiry {
    background-color: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--bg-light) 0%, #ffffff 100%);
    padding: 40px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-content {
    flex: 1;
    max-width: 500px;
    padding-right: 40px;
}
.pop-badge {
    display: inline-block;
    background-color: #FFC107;
    color: #D32F2F;
    font-size: 1.1rem;
    font-weight: 800;
    padding: 8px 16px;
    border-radius: 50px;
    margin-bottom: 15px;
    box-shadow: 0 4px 10px rgba(255, 193, 7, 0.4);
    position: relative;
    animation: bounce 2s infinite ease-in-out;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
.main-copy {
    font-size: 2.5rem;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--primary-color);
}
.sub-copy {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-muted);
}
.hero-tags {
    margin-bottom: 30px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
@keyframes bounce-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.hero-tags span {
    background: rgba(0, 168, 232, 0.1);
    color: var(--accent-color);
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 168, 232, 0.3);
    animation: bounce-float 1.5s infinite ease-in-out;
}
.hero-tags span:nth-child(2) {
    animation-delay: 0.2s;
}
.hero-tags span:nth-child(3) {
    animation-delay: 0.4s;
}
.hero-image {
    flex: 1;
    max-width: 600px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}
.hero-image img {
    width: 100%;
    transform: scale(1.02);
}

/* Empathy Section */
.empathy {
    padding: 80px 0;
    background-color: var(--white);
}
.empathy-cards {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    justify-content: center;
}
.empathy-card {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    max-width: 400px;
    position: relative;
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--accent-color);
}
.empathy-card p {
    font-weight: 600;
    color: var(--text-main);
    font-size: 1.1rem;
}
.empathy-message {
    text-align: center;
    font-size: 1.15rem;
    line-height: 1.8;
}

/* Solutions Section */
.solutions {
    padding: 80px 0;
    background-color: var(--bg-light);
}
.solution-grid {
    display: flex;
    gap: 30px;
    margin-top: 40px;
}
.solution-item {
    flex: 1;
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}
.solution-item:hover {
    transform: translateY(-5px);
}
.solution-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}
.solution-item h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}
.solution-item .sub-title {
    display: block;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-top: 5px;
}

/* AI Experience */
.ai-experience {
    padding: 80px 0;
    background-image: linear-gradient(to bottom, #ffffff, #F0F8FA);
}
.chat-ui {
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 168, 232, 0.08);
}
.chat-message {
    display: flex;
    flex-direction: column;
    margin-bottom: 25px;
}
.user-message {
    align-items: flex-end;
}
.ai-message {
    align-items: flex-start;
}
.avatar {
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-muted);
}
.ai-avatar {
    color: var(--accent-color);
}
.bubble {
    padding: 15px 20px;
    border-radius: 15px;
    max-width: 85%;
    line-height: 1.5;
}
.user-message .bubble {
    background: var(--primary-color);
    color: var(--white);
    border-bottom-right-radius: 4px;
}
.ai-message .bubble {
    background: var(--white);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--white);
}
.giftsbox {
    background: linear-gradient(135deg, #FFF3F4 0%, #FFFFFF 100%);
    border: 2px solid rgba(230, 57, 70, 0.2);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    margin-bottom: 50px;
}
.giftsbox h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 20px;
}
.gift-list {
    list-style: none;
    text-align: left;
    max-width: 600px;
    margin: 0 auto;
}
.gift-list li {
    padding: 15px 0;
    border-bottom: 1px dashed var(--border-color);
    position: relative;
    padding-left: 30px;
}
.gift-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}
.gift-list li:last-child {
    border-bottom: none;
}
.merits {
    text-align: center;
}
.merits h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}
.merits-sub {
    color: var(--text-muted);
    margin-bottom: 30px;
}
.merit-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.merit-item {
    background: var(--bg-light);
    padding: 30px;
    border-radius: var(--border-radius);
    text-align: left;
    display: flex;
    flex-direction: column;
}
.merit-icon {
    font-size: 2rem;
    margin-bottom: 15px;
}
.merit-item h4 {
    margin-bottom: 10px;
}

/* Products Section */
.products {
    padding: 80px 0;
    background: var(--bg-light);
}
.product-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
}
.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    width: calc(33.333% - 20px);
    text-align: center;
    padding-bottom: 25px;
    transition: var(--transition);
    border-top: 5px solid transparent;
    display: flex;
    flex-direction: column;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}
.product-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    padding: 20px;
    background: #fafafa;
}
.product-card h3 {
    padding: 20px 20px 10px;
    font-size: 1.3rem;
}
.product-desc {
    padding: 0 20px;
    margin-bottom: 25px;
    font-size: 0.95rem;
    text-align: left;
    line-height: 1.7;
    color: var(--text-muted);
    flex-grow: 1;
}
.product-card .cta-button {
    margin: 0 20px;
}

/* Theme Colors for Products */
.theme-protein {
    border-top-color: #E57373;
}
.theme-protein h3 {
    color: #D32F2F;
}
.theme-protein .secondary-cta {
    border-color: #D32F2F;
    color: #D32F2F;
}
.theme-protein .secondary-cta:hover {
    background: #D32F2F;
    color: #FFF;
}

.theme-calorie {
    border-top-color: #FFB74D;
}
.theme-calorie h3 {
    color: #F57C00;
}
.theme-calorie .secondary-cta {
    border-color: #F57C00;
    color: #F57C00;
}
.theme-calorie .secondary-cta:hover {
    background: #F57C00;
    color: #FFF;
}

.theme-salt {
    border-top-color: #81C784;
}
.theme-salt h3 {
    color: #388E3C;
}
.theme-salt .secondary-cta {
    border-color: #388E3C;
    color: #388E3C;
}
.theme-salt .secondary-cta:hover {
    background: #388E3C;
    color: #FFF;
}

.theme-carbs {
    border-top-color: #BA68C8;
}
.theme-carbs h3 {
    color: #7B1FA2;
}
.theme-carbs .secondary-cta {
    border-color: #7B1FA2;
    color: #7B1FA2;
}
.theme-carbs .secondary-cta:hover {
    background: #7B1FA2;
    color: #FFF;
}

.theme-balance {
    border-top-color: #64B5F6;
}
.theme-balance h3 {
    color: #1976D2;
}
.theme-balance .secondary-cta {
    border-color: #1976D2;
    color: #1976D2;
}
.theme-balance .secondary-cta:hover {
    background: #1976D2;
    color: #FFF;
}

/* Order Steps */
.order-steps-container {
    padding: 20px 0;
}
.steps-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 30px;
}
.step-box {
    position: relative;
    background: var(--bg-light);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}
.step-number {
    position: absolute;
    top: -15px;
    left: 20px;
    background: var(--primary-color);
    color: var(--white);
    font-weight: 700;
    font-size: 1.1rem;
    padding: 5px 20px;
    border-radius: 20px;
    line-height: 1;
    box-shadow: 0 4px 10px rgba(230, 57, 70, 0.3);
}
.step-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #FFC107;
    color: #D32F2F;
    font-weight: 800;
    font-size: 0.9rem;
    padding: 5px 15px;
    border-radius: 20px;
    line-height: 1;
    box-shadow: 0 4px 10px rgba(255, 193, 7, 0.4);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}
.step-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin-top: 10px;
}
.step-icon {
    font-size: 3.5rem;
    background: var(--white);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
}
.step-text {
    text-align: left;
}
.step-text h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    margin-top: 5px;
}
.step-text p {
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.6;
}
.highlight-step {
    border: 2px solid var(--primary-color);
    background: #FFF3F4;
}
.highlight-step .step-icon {
    border: 2px solid var(--primary-color);
    background: #FFF3F4;
}
.step-alert {
    background: var(--white);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    border-left: 4px solid var(--primary-color);
}
.alert-title {
    font-weight: 600;
    margin-bottom: 10px !important;
}
.alert-option {
    background: var(--bg-light);
    padding: 10px;
    border-radius: 6px;
    text-align: center;
    font-size: 1.1rem !important;
    margin-bottom: 10px !important;
}
.alert-option strong {
    color: var(--primary-color);
}
.alert-notice {
    font-size: 0.85rem !important;
    color: var(--text-muted) !important;
}
@media (max-width: 600px) {
    .step-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .step-text {
        text-align: center;
    }
    .step-text h3 {
        margin-top: 15px;
    }
    .step-number {
        left: 10px;
    }
    .step-badge {
        right: 10px;
        font-size: 0.8rem;
    }
}

/* FAQ Section */
.faq {
    padding: 80px 0;
    background: var(--white);
}
.accordion {
    max-width: 800px;
    margin: 0 auto;
}
.accordion-item {
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 10px;
}
.accordion-header {
    width: 100%;
    padding: 20px;
    background: none;
    border: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    text-align: left;
}
.q-icon {
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 15px;
}
.toggle-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}
.accordion-header[aria-expanded="true"] .toggle-icon {
    transform: rotate(45deg);
}
.accordion-content {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.accordion-content p {
    padding-bottom: 20px;
    display: flex;
    align-items: flex-start;
}
.a-icon {
    color: var(--primary-color);
    font-weight: bold;
    margin-right: 15px;
}

/* Footer */
.footer {
    background: var(--text-main);
    color: var(--white);
    text-align: center;
    padding: 40px 0;
}

/* Responsive Design */
@media (max-width: 900px) {
    .solution-grid {
        flex-direction: column;
    }
    .product-card {
        width: calc(50% - 15px);
    }
    .merit-grid {
        grid-template-columns: 1fr;
    }
    
    /* Header Responsive Fixes */
    .header {
        position: relative; /* Prevent sticky header from taking up screen space */
        z-index: 100;
    }
    .header-container {
        flex-direction: column;
        padding: 15px 10px;
        gap: 15px;
    }
    .header-actions {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    .header-site-desc {
        display: none; /* Hide description on mobile to save vertical space */
    }
}

@media (max-width: 600px) {
    body {
        padding-bottom: 120px; /* Space for the sticky bottom bar */
    }

    .header-actions {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.1);
        padding: 10px 15px 15px 15px;
        flex-direction: column;
        gap: 8px;
        z-index: 9999;
        border-top: 1px solid var(--border-color);
    }
    .header-tel {
        text-align: center;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    .header-tel-label {
        font-size: 0.8rem;
    }
    .header-tel-number {
        margin-top: 0;
        font-size: 1.15rem;
    }
    .header-btns {
        flex-direction: row;
        width: 100%;
        gap: 10px;
    }
    .header-btns .cta-button {
        width: 50%;
        text-align: center;
        padding: 10px 5px;
        font-size: 0.85rem;
        line-height: 1.3;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
    }
}

@media (max-width: 768px) {
    .header {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        background-color: transparent;
        box-shadow: none;
        backdrop-filter: none;
        z-index: 100;
    }
    .header-container {
        padding: 15px 20px;
    }
    .header-left {
        width: 100%;
        justify-content: flex-start;
        padding: 0;
    }
    .logo img {
        height: 48px;
        filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.95)) drop-shadow(0 0 5px rgba(255, 255, 255, 0.8));
    }
    .hero {
        display: grid;
        grid-template-columns: 1fr;
        padding: 0;
    }
    .hero-image {
        grid-column: 1;
        grid-row: 1;
        width: 100%;
        height: 100%;
        max-width: none;
        border-radius: 0;
        box-shadow: none;
    }
    .hero-image img {
        width: 100%;
        height: 100%;
        min-height: 550px;
        object-fit: cover;
        object-position: center;
        transform: none;
        border-radius: 0;
    }
    .hero-content {
        grid-column: 1;
        grid-row: 1;
        padding: 100px 15px 40px;
        margin: 0;
        position: relative;
        z-index: 2;
        background: transparent;
        box-shadow: none;
        text-align: center;
        align-self: center;
    }
    .main-copy, .sub-copy, .pop-badge {
        text-shadow: 
            0 0 8px rgba(255, 255, 255, 1),
            0 0 15px rgba(255, 255, 255, 1),
            0 0 25px rgba(255, 255, 255, 0.9),
            0 2px 4px rgba(255, 255, 255, 1),
            0 -2px 4px rgba(255, 255, 255, 1);
    }
    .sub-copy {
        color: #000;
        font-weight: 700;
        font-size: 1.15rem;
    }
    .hero-tags {
        justify-content: center;
        align-items: center;
        background: rgba(255, 255, 255, 0.95);
        padding: 15px 10px;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        font-weight: bold;
        color: #333;
        line-height: 2;
    }
    .hero-tags span {
        background: var(--white);
        border: 2px solid var(--accent-color);
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        padding: 6px 12px;
    }
    .empathy-cards {
        flex-direction: column;
        align-items: center;
    }
    .product-card {
        width: 100%;
    }
    .main-copy {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-image img {
        min-height: 500px;
    }
    .hero-content {
        padding: 100px 10px 30px;
    }
    .main-copy {
        font-size: 1.6rem;
    }
    .sub-copy {
        font-size: 1rem;
    }
}
