/* ================================================
   REVONET Products - Common Styles
   ================================================ */

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

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.8;
    color: #1a1a2e;
    background: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s, opacity 0.2s;
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ================================================
   Header
   ================================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.02em;
}

.logo-sub {
    font-size: 0.875rem;
    font-weight: 500;
    color: #6366f1;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: #64748b;
}

.nav-link:hover {
    color: #1a1a2e;
}

.nav-link-cta {
    padding: 8px 16px;
    background: #1a1a2e;
    color: #fff;
    border-radius: 6px;
}

.nav-link-cta:hover {
    background: #2d2d44;
    color: #fff;
}

@media (max-width: 768px) {
    .header-inner {
        padding: 0 16px;
        height: 56px;
    }

    .nav {
        gap: 16px;
    }

    .nav-link:not(.nav-link-cta) {
        display: none;
    }
}

/* ================================================
   Footer
   ================================================ */
.footer {
    background: #1a1a2e;
    color: #94a3b8;
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-logo {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.footer-copy {
    font-size: 0.75rem;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 0.875rem;
    color: #94a3b8;
}

.footer-links a:hover {
    color: #fff;
}

@media (max-width: 768px) {
    .footer {
        padding: 32px 0;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }
}

/* ================================================
   Buttons
   ================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: #6366f1;
    color: #fff;
}

.btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #f1f5f9;
    color: #1a1a2e;
}

.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-outline {
    background: transparent;
    color: #6366f1;
    border: 1px solid #6366f1;
}

.btn-outline:hover {
    background: #6366f1;
    color: #fff;
}

.btn-large {
    padding: 16px 32px;
    font-size: 1rem;
}

/* ================================================
   Utilities
   ================================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }