@import url('https://fonts.googleapis.com/css2?family=Zen+Kaku+Gothic+New:wght@400;700&display=swap');

:root {
    /* Traditional Naval Palette */
    --gunjo-ultramarine: #1C305C; /* Deep Navy/Ultramarine for primary text and brand */
    --aozora-blue: #70A1D7;       /* Clear Sky Blue for accents */
    --naval-green: #2D4033;       /* Traditional Japanese Naval Green for headers */
    --sea-foam: #F0F4F2;          /* Pale sea foam for subtle backgrounds */
    --contrast-orange: #E67E22;   /* Muted sunrise orange for tiny high-contrast details */
    --white: #ffffff;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Zen Kaku Gothic New', "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
    color: var(--gunjo-ultramarine);
    line-height: 1.8;
    background-color: var(--sea-foam);
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 24px;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 6%;
    background: var(--white);
    border-bottom: 3px solid var(--gunjo-ultramarine);
}

.brand {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gunjo-ultramarine);
}

.lang-switcher { display: flex; align-items: center; gap: 12px; }
.switch { position: relative; width: 48px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: #ddd; transition: .4s; border-radius: 24px;
}
.slider:before {
    position: absolute; content: ""; height: 18px; width: 18px;
    left: 3px; bottom: 3px; background-color: var(--white); transition: .4s; border-radius: 50%;
}
input:checked + .slider { background-color: var(--aozora-blue); }
input:checked + .slider:before { transform: translateX(24px); }
.lang-label { font-size: 10px; font-weight: 700; color: var(--gunjo-ultramarine); letter-spacing: 1px; }

.hero-banner {
    /* Keep the rest the same, just update this line: */
    background: linear-gradient(
        rgba(45, 64, 51, 0.3), 
        rgba(28, 48, 92, 0.4)
    ), 
    url('banner.jpg') center 70% / cover no-repeat;
    
    color: var(--white);
    height: 450px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-bottom: 5px solid var(--aozora-blue);
    text-shadow: 0 2px 15px rgba(0,0,0,0.4);
}

.hero-content h1 { 
    font-weight: 700; 
    font-size: 2.2rem; 
    margin: 0; 
    letter-spacing: 0.05em;
    color: var(--white);
}
.hero-content p { font-size: 1.1rem; color: var(--aozora-blue); margin-top: 10px; font-weight: 700; }

.section { margin-bottom: 80px; }

h2 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border-left: 4px solid var(--contrast-orange);
    color: var(--naval-green);
    display: block;
    margin-bottom: 30px;
    padding: 0 0 0 15px;
}

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

.profile-table th {
    text-align: left;
    width: 30%;
    padding: 20px 0;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--aozora-blue);
    vertical-align: top;
}

.profile-table td {
    padding: 20px 0;
    border-bottom: 1px solid #d1d9d6;
}

a { color: var(--aozora-blue); text-decoration: none; font-weight: 700; }
a:hover { color: var(--contrast-orange); }

.privacy {
    margin-top: 100px;
    padding: 40px 0;
    border-top: 1px solid #d1d9d6;
    font-size: 0.75rem;
    color: var(--naval-green);
    opacity: 0.8;
}

@media (max-width: 600px) {
    .top-nav { flex-direction: column; padding: 20px; gap: 15px; }
    .hero-content h1 { font-size: 1.6rem; }
    .profile-table th, .profile-table td { display: block; width: 100%; padding: 10px 0; }
}
}