/* ============================================
   でぺぺ。クリエイトー - Style Sheet
   Dark Modern Design
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --color-bg: #0a0a0f;
    --color-bg-light: #12121a;
    --color-bg-card: #1a1a2e;
    --color-text: #e0e0e0;
    --color-text-muted: #8888a0;
    --color-text-heading: #ffffff;
    --color-accent: #7c3aed;
    --color-accent-light: #a78bfa;
    --color-accent-gradient: linear-gradient(135deg, #7c3aed, #3b82f6);
    --color-border: rgba(124, 58, 237, 0.2);
    --color-error: #ef4444;
    --color-success: #22c55e;
    --color-orange: #FF6B35;
    --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    --header-height: 70px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-sm: 8px;
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.8;
    font-weight: 300;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-accent-light);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

ul {
    list-style: none;
}

/* ---------- Utility ---------- */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-text-heading);
    text-align: center;
    margin-bottom: 0.3em;
    letter-spacing: 0.05em;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* ---------- Scroll Animations ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Header ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(124, 58, 237, 0.1);
    transition: background var(--transition);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-heading) !important;
    letter-spacing: 0.05em;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text-muted) !important;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    position: relative;
    padding: 0.3em 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-heading) !important;
}

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

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-heading);
    transition: var(--transition);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 60%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: 0 1rem;
}

.hero-title {
    margin-bottom: 1.5rem;
}

.hero-title-main {
    display: block;
    font-size: clamp(1.8rem, 5vw, 3.2rem);
    font-weight: 700;
    color: var(--color-text-heading);
    letter-spacing: 0.05em;
    margin-bottom: 0.3em;
}

.hero-title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--color-accent-light);
    letter-spacing: 0.05em;
}

.hero-catchcopy {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    color: var(--color-text-muted);
    font-weight: 300;
    line-height: 2;
    margin-bottom: 2.5rem;
}

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

.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--color-accent);
    animation: scrollHint 2s ease-in-out infinite;
}

@keyframes scrollHint {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 0.85em 2em;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    font-family: var(--font-main);
    text-align: center;
}

.btn-primary {
    background: var(--color-accent-gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(124, 58, 237, 0.5);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--color-accent-light);
    border: 1px solid var(--color-accent);
}

.btn-outline:hover {
    background: rgba(124, 58, 237, 0.1);
    color: var(--color-accent-light);
}

.btn-line {
    background: #06C755;
    color: #fff;
    font-weight: 700;
}

.btn-line:hover {
    background: #05b34c;
    color: #fff;
    transform: translateY(-2px);
}

.btn-x {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-text-muted);
}

.btn-x:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-heading);
    border-color: var(--color-text-heading);
}

/* ---------- Services ---------- */
.services {
    background: var(--color-bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.15);
}

.service-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1.2rem;
    color: var(--color-accent-light);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 0.8rem;
}

.service-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ---------- Pricing ---------- */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(124, 58, 237, 0.15);
}

.pricing-card--recommended {
    border: 2px solid var(--color-orange);
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.15);
}

.pricing-card--recommended:hover {
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.25);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-orange);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3em 1.2em;
    border-radius: 50px;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.pricing-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    color: var(--color-accent-light);
}

.pricing-card--recommended .pricing-icon {
    color: var(--color-orange);
}

.pricing-icon svg {
    width: 100%;
    height: 100%;
}

.pricing-plan-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 0.8rem;
}

.pricing-price {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.pricing-amount {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text-heading);
    line-height: 1.2;
}

.pricing-card--recommended .pricing-amount {
    color: var(--color-orange);
}

.pricing-unit {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.pricing-features {
    text-align: left;
    list-style: none;
}

.pricing-features li {
    font-size: 0.8rem;
    color: var(--color-text);
    padding: 0.35em 0;
    padding-left: 1.3em;
    position: relative;
    line-height: 1.5;
}

.pricing-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
}

.pricing-card--recommended .pricing-features li::before {
    background: var(--color-orange);
}

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

.pricing-notes p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ---------- Industries ---------- */
.industries {
    background: var(--color-bg-light);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.industry-tile {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.industry-tile:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
}

.industry-tile svg {
    width: 32px;
    height: 32px;
    color: var(--color-accent-light);
}

.industry-tile span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}

/* ---------- Flow ---------- */
.flow-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    justify-content: center;
}

.flow-step {
    flex: 1;
    text-align: center;
    max-width: 160px;
}

.flow-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent-gradient);
    color: #fff;
    font-size: 1.2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.flow-step-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.flow-step-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.flow-connector {
    width: 30px;
    min-width: 20px;
    height: 2px;
    background: var(--color-border);
    margin-top: 24px;
    flex-shrink: 0;
}

/* ---------- FAQ ---------- */
.faq {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 1.3rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-main);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-heading);
    transition: color var(--transition);
}

.faq-question:hover {
    color: var(--color-accent-light);
}

.faq-chevron {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-text-muted);
    transition: transform var(--transition);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.open .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 0 1.3rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ---------- Contact ---------- */
.contact-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
}

.required {
    color: var(--color-error);
}

.form-input {
    padding: 0.9rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: border-color var(--transition);
    outline: none;
}

.form-input::placeholder {
    color: rgba(136, 136, 160, 0.5);
}

.form-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: 0.75rem;
    color: var(--color-error);
    min-height: 1em;
}

.btn-submit {
    align-self: center;
    min-width: 200px;
    font-size: 1rem;
}

.form-message {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.9rem;
    text-align: center;
}

.form-message--success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.form-message--error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.contact-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* ---------- Recruitment ---------- */
.recruitment {
    background: var(--color-bg-light);
}

.recruit-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.recruit-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.8rem 1.5rem;
    transition: all var(--transition);
}

.recruit-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
}

.recruit-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-heading);
    margin-bottom: 0.5rem;
}

.recruit-pay {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-accent-light);
    margin-bottom: 1rem;
}

.recruit-details {
    list-style: none;
}

.recruit-details li {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    padding: 0.25em 0;
    padding-left: 1em;
    position: relative;
    line-height: 1.6;
}

.recruit-details li::before {
    content: '-';
    position: absolute;
    left: 0;
    color: var(--color-text-muted);
}

.recruit-cta {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text);
}

/* ---------- Footer ---------- */
.footer {
    padding: 3rem 0 2rem;
    border-top: 1px solid rgba(124, 58, 237, 0.1);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.footer-logo {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-heading);
}

.footer-sns {
    display: flex;
    gap: 1rem;
}

.footer-sns-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    transition: all var(--transition);
}

.footer-sns-link:hover {
    color: var(--color-accent-light);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.footer-copy {
    text-align: center;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet */
@media (max-width: 900px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .industries-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .flow-steps {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .flow-connector {
        display: none;
    }

    .flow-step {
        flex: 0 0 calc(33.33% - 0.5rem);
        max-width: none;
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background: rgba(18, 18, 26, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: calc(var(--header-height) + 2rem) 2rem 2rem;
        transition: right var(--transition);
        border-left: 1px solid var(--color-border);
    }

    .nav.open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
    }

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

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

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

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

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .flow-step {
        flex: 0 0 calc(50% - 0.5rem);
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .section {
        padding: 70px 0;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .hero-title-main {
        font-size: 1.6rem;
    }

    .hero-title-sub {
        font-size: 1.1rem;
    }

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

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

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

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

    .flow-step {
        flex: 0 0 100%;
    }
}

/* Nav overlay for mobile */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.active {
    display: block;
}