/* =========================================
   Reset & Variables
   ========================================= */
:root {
    /* Monochrome Professional Palette */
    --color-black: #1a1a1a;
    --color-charcoal: #2d2d2d;
    --color-gray-dark: #4a4a4a;
    --color-gray: #6b6b6b;
    --color-gray-medium: #9a9a9a;
    --color-gray-light: #d4d4d4;
    --color-gray-lighter: #e8e8e8;
    --color-off-white: #f7f7f7;
    --color-white: #ffffff;

    --font-jp: 'Noto Sans JP', sans-serif;
    --font-en: 'Montserrat', sans-serif;

    --max-width: 1140px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 120px;

    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-elevated: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

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

body {
    font-family: var(--font-jp);
    color: var(--color-charcoal);
    background-color: var(--color-white);
    line-height: 1.75;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--color-black);
}

h1 {
    font-size: 3rem;
    font-weight: 500;
}

h2 {
    font-size: 2.25rem;
    font-weight: 500;
}

h3 {
    font-size: 1.5rem;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* =========================================
   Utility
   ========================================= */
.container {
    width: 88%;
    max-width: var(--max-width);
    margin: 0 auto;
}

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

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 56px;
    position: relative;
    font-weight: 500;
    letter-spacing: -0.015em;
    line-height: 1.4;
}

.section-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 2px;
    background-color: var(--color-black);
    margin: 32px auto 0;
}

/*Buttons*/
.btn {
    display: inline-block;
    padding: 15px 42px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    letter-spacing: 0.03em;
    font-size: 0.9375rem;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-elevated);
}

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

.btn-primary:hover {
    background-color: var(--color-charcoal);
}

.btn-sm {
    padding: 11px 30px;
    font-size: 0.875rem;
    background-color: transparent;
    border: 1px solid var(--color-black);
    color: var(--color-black);
}

.btn-sm:hover {
    background-color: var(--color-black);
    color: white;
}

.btn-lg {
    padding: 18px 56px;
    font-size: 1.0625rem;
    background-color: var(--color-black);
    color: white;
}

/* =========================================
   Header
   ========================================= */
.header {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid var(--color-gray-lighter);
    height: 72px;
    display: flex;
    align-items: center;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-en);
    font-weight: 600;
    font-size: 1.375rem;
    color: var(--color-black);
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray);
}

.nav a:not(.btn):hover {
    color: var(--color-black);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    background-color: var(--color-off-white);
    padding-top: 72px;
    overflow: hidden;
}

.hero-wrapper {
    display: flex;
    align-items: center;
    min-height: 80vh;
    gap: 40px;
}

.hero-content {
    flex: 1.2;
    padding: 60px 0;
    z-index: 1;
}

.hero-bg {
    flex: 0.8;
    height: 80vh;
    min-width: 380px;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.05);
    opacity: 0.85;
    border-radius: 4px;
    /* Optional slight softening */
}

.hero-title {
    font-size: 2.5rem;
    line-height: 1.45;
    margin-bottom: 32px;
    color: var(--color-black);
    font-weight: 500;
    letter-spacing: -0.01em;
    max-width: 580px;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 44px;
    color: var(--color-gray);
    line-height: 1.85;
    max-width: 520px;
}

.d-block {
    display: block;
    height: 0.5rem;
}

/* =========================================
   Problem Section
   ========================================= */
.section-problem {
    background-color: var(--color-white);
}

.problem-list {
    max-width: 720px;
    margin: 0 auto;
}

.problem-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-gray-lighter);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.problem-item:first-child {
    padding-top: 0;
}

.problem-item:last-child {
    border-bottom: none;
}

.problem-item:hover {
    padding-left: 8px;
}

.problem-item i {
    font-size: 1.5rem;
    color: var(--color-gray-medium);
    margin-top: 4px;
    flex-shrink: 0;
}

.problem-item p {
    font-weight: 500;
    color: var(--color-charcoal);
    line-height: 1.75;
    font-size: 1.0625rem;
}

/* =========================================
   Value Section
   ========================================= */
.section-value {
    background-color: var(--color-off-white);
}

/* =========================================
   Value Section
   ========================================= */
.section-value {
    background-color: var(--color-off-white);
}

.value-content-wrapper {
    display: flex;
    gap: 48px;
    align-items: center;
}

.value-image {
    flex: 0 0 45%;
    max-width: 450px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.value-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.05);
}

.value-grid {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.value-card {
    background: transparent;
    padding: 24px 0;
    border-top: 1px solid var(--color-gray-lighter);
    border-radius: 0;
    box-shadow: none;
    border-left: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.value-card:first-child {
    border-top: 4px solid var(--color-black);
    padding-top: 32px;
}

.value-card:hover {
    box-shadow: none;
    transform: translateX(8px);
    border-color: var(--color-black);
}

.value-icon {
    display: none;
    /* Icon removed for cleaner look in dense list, or keep small if preferred */
}

.value-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--color-black);
    font-weight: 600;
}

.value-card p {
    color: var(--color-gray);
    line-height: 1.6;
    font-size: 0.9375rem;
}

/* =========================================
   Service Section
   ========================================= */
.section-service {
    background-color: var(--color-off-white);
}

/* Face Value: 3 Categories */
.service-categories {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 64px;
}

.category-item {
    text-align: center;
    flex: 1;
    max-width: 280px;
}

.category-photo {
    width: 100%;
    height: 160px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 20px;
    background-color: var(--color-off-white);
}

.category-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.05);
}

.category-item h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-black);
}

/* Depth: Request Examples */
.service-examples-box {
    background: white;
    padding: 48px 40px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    margin-bottom: 80px;
}

.examples-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.example-column h5 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: 16px;
    border-left: 4px solid var(--color-black);
    padding-left: 12px;
}

.example-column ul {
    list-style: none;
    padding-left: 0;
}

.example-column li {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin-bottom: 8px;
    position: relative;
    padding-left: 12px;
}

.example-column li::before {
    content: '·';
    position: absolute;
    left: 0;
}

.service-closing-note {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-black);
    font-weight: 500;
    padding-top: 24px;
    border-top: 1px solid var(--color-gray-lighter);
}

/* Usage Case Studies */
.usage-case-studies {
    margin-top: 100px;
}

.usage-title {
    font-size: 2rem;
    color: var(--color-black);
    margin-bottom: 48px;
    font-weight: 700;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.usage-card {
    background: white;
    border: 1px solid #ced4da;
    border-radius: 4px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.usage-card-header {
    background: white;
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid #dee2e6;
}

.usage-card-header h4 {
    font-size: 1.125rem;
    color: var(--color-black);
    font-weight: 700;
    display: inline-block;
    border-bottom: 2px solid var(--color-black);
    padding-bottom: 4px;
}

.usage-card-body {
    padding: 32px 16px;
    flex-grow: 1;
    background: white;
    position: relative;
}

/* Breakdown List Style */
.usage-breakdown-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    border-top: 1px solid var(--color-gray-lighter);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-gray-lighter);
    font-size: 0.875rem;
}

.breakdown-cat {
    color: var(--color-charcoal);
    font-weight: 500;
}

.breakdown-hour {
    color: var(--color-black);
    font-weight: 700;
    white-space: nowrap;
    margin-left: 12px;
}

@media (max-width: 991px) {
    .cases-grid {
        grid-template-columns: 1fr;
    }

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

    .service-categories {
        flex-direction: column;
        align-items: center;
    }
}

/* =========================================
   Comparison Section
   ========================================= */
.section-comparison {
    background-color: var(--color-off-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 600px;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 24px 20px;
    border-bottom: 1px solid var(--color-gray-lighter);
    text-align: center;
}

.comparison-table th {
    background: var(--color-off-white);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-gray-dark);
}

.comparison-table th.brightdesk {
    background: var(--color-black);
    color: white;
    font-size: 1.125rem;
    width: 40%;
}

.comparison-table .highlight {
    background: var(--color-off-white);
    font-weight: 600;
    color: var(--color-black);
    font-size: 1rem;
}

.comparison-table .label {
    background: var(--color-off-white);
    font-weight: 600;
    text-align: left;
    width: 20%;
    color: var(--color-black);
}

.comparison-table .competitor {
    color: var(--color-gray);
}

/* =========================================
   Pricing Section
   ========================================= */
.section-pricing {
    background-color: var(--color-white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    max-width: 1040px;
    margin: 0 auto 48px;
}

.pricing-card {
    background: white;
    padding: 48px 40px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-subtle);
    text-align: center;
    position: relative;
    border: 1px solid var(--color-gray-lighter);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-card:hover {
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.pricing-card.recommended {
    border: 2px solid var(--color-black);
    box-shadow: var(--shadow-card);
}

.pricing-card .badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-black);
    color: white;
    padding: 6px 20px;
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.plan-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--color-black);
}

.price {
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--color-black);
    margin-bottom: 8px;
    font-family: var(--font-en);
    letter-spacing: -0.02em;
}

.price .currency {
    font-size: 1.125rem;
    color: var(--color-gray);
    font-weight: 500;
}

.per-hour {
    font-size: 0.9375rem;
    color: var(--color-gray);
    margin-bottom: 28px;
    border-bottom: 1px solid var(--color-gray-lighter);
    padding-bottom: 20px;
}

.plan-features {
    text-align: left;
}

.plan-features li {
    margin-bottom: 12px;
    font-weight: 500;
    color: var(--color-charcoal);
    padding-left: 24px;
    position: relative;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-black);
    font-weight: 700;
}

.pricing-note {
    font-size: 0.9375rem;
    color: var(--color-gray);
    line-height: 1.75;
}

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

.faq-list {
    max-width: 840px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-gray-lighter);
    padding-bottom: 32px;
}

.faq-item:last-child {
    border-bottom: none;
}

.question {
    font-weight: 600;
    font-size: 1.125rem;
    margin-bottom: 16px;
    position: relative;
    padding-left: 36px;
    color: var(--color-black);
}

.question::before {
    content: 'Q';
    position: absolute;
    left: 0;
    color: var(--color-black);
    font-family: var(--font-en);
    font-weight: 700;
}

.answer {
    padding-left: 36px;
    color: var(--color-gray);
    line-height: 1.8;
}

/* =========================================
   Company Section
   ========================================= */
.section-company {
    background-color: white;
}

.company-profile-wrapper {
    max-width: 720px;
    margin: 0 auto;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
}

.company-table th,
.company-table td {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-gray-lighter);
    text-align: left;
    font-size: 0.9375rem;
}

.company-table th {
    width: 160px;
    font-weight: 600;
    color: var(--color-black);
    vertical-align: top;
    padding-right: 24px;
}

.company-table td {
    color: var(--color-gray);
    line-height: 1.8;
}

.company-table tr:last-child th,
.company-table tr:last-child td {
    border-bottom: none;
}

.company-table a {
    color: var(--color-black);
    text-decoration: underline;
    transition: opacity 0.2s;
}

.company-table a:hover {
    opacity: 0.7;
}

@media (max-width: 768px) {

    .company-table th,
    .company-table td {
        display: block;
        width: 100%;
        padding: 12px 0;
    }

    .company-table th {
        padding-top: 24px;
        padding-bottom: 4px;
    }

    .company-table td {
        padding-top: 0;
        padding-bottom: 24px;
    }
}

/* =========================================
   Footer
   ========================================= */
.footer {
    background-color: var(--color-black);
    color: white;
    padding: 80px 0 32px;
    text-align: center;
}

.footer-title {
    font-family: var(--font-en);
    font-size: 1.75rem;
    margin-bottom: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.footer-copy {
    margin-bottom: 40px;
    opacity: 0.7;
    line-height: 1.75;
}

.footer-cta {
    margin-bottom: 48px;
}

.cta-text {
    margin-bottom: 24px;
    font-size: 1.125rem;
    font-weight: 500;
}

.copyright {
    margin-top: 64px;
    font-size: 0.8125rem;
    opacity: 0.4;
    font-family: var(--font-en);
    letter-spacing: 0.02em;
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }

    .logo {
        font-size: 1.25rem;
    }

    .nav {
        gap: 16px;
    }

    .nav a:not(.btn) {
        display: none;
    }

    .hero-wrapper {
        flex-direction: column;
        gap: 32px;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-bg {
        width: 100%;
        height: 320px;
        min-width: auto;
        order: -1;
    }

    .hero-content {
        padding: 0 20px;
        text-align: left;
    }

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

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

    .value-content-wrapper {
        flex-direction: column;
        gap: 32px;
    }

    .value-image {
        width: 100%;
        height: 240px;
    }

    .service-image-banner {
        height: 200px;
        margin-bottom: 32px;
    }

    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .comparison-table th,
    .comparison-table td {
        font-size: 0.8125rem;
        padding: 16px 12px;
    }

    .pricing-card.recommended {
        transform: none;
    }

    .pricing-card:hover {
        transform: none;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}