:root {
    --primary: #FF8C00;
    --primary-dark: #E67E00;
    --accent-blue: #0040A1;
    --accent-red: #FF4B2B;
    --accent-yellow: #FFD200;
    --accent-green: #2ECC71;
    --white: #FFFFFF;
    --text-dark: #1E293B;
    --text-muted: #64748B;
    --shadow-premium: 0 10px 30px rgba(0, 0, 0, 0.05);
    --radius: 24px;
    --font-heading: 'Outfit', 'Noto Sans JP', sans-serif;
    --font-body: 'Inter', 'Noto Sans JP', sans-serif;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--white);
    line-height: 1.6;
    text-align: center;
    overflow-x: hidden;
}

main {
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 900;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 6rem 0;
}

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

.section-title {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    text-align: center;
    filter: drop-shadow(0 0 5px #fff) drop-shadow(0 0 2px #fff);
}

.section-subtitle {
    text-align: center;
    margin-bottom: 3rem;
    filter: drop-shadow(0 0 5px #fff) drop-shadow(0 0 2px #fff);
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
    border: none;
    font-family: var(--font-heading);
    font-size: 1rem;
}

.btn:hover {
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

.btn-secondary {
    background-color: var(--accent-blue);
    color: white;
}

.btn-large {
    font-size: 1.5rem;
    padding: 1.5rem 4rem;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 60%, rgba(255, 255, 255, 0) 100%);
    transition: all 0.3s ease;
}

header.scrolled {
    background: linear-gradient(180deg, white 0%, white 70%, transparent 100%);
    box-shadow: none;
    padding-bottom: 1rem;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 6rem;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 3.5rem;
    width: auto;
    object-fit: contain;
}

nav {
    margin-left: auto;
}

nav ul {
    display: flex;
    gap: 2.5rem;
}

nav ul li a {
    font-weight: 700;
    color: var(--text-dark);
}

footer {
    padding: 1rem 0;
    background: #eee;
}

.footer-logo {
    font-size: 1.4em;
    font-weight: bold;
    margin-bottom: .5rem;
}

@media (max-width: 768px) {
    nav {
        display: none;
    }

    .footer-links,
    .copyright {
        font-size: 0.9em;
    }
}