body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: #f9f8f6;
    /* brand-bg */
    color: #1a1c20;
    /* brand-dark */
}

/* Custom Utilities */
.writing-vertical {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.1em;
}

.texture-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://www.transparenttextures.com/patterns/washi.png');
    opacity: 0.05;
    /* Adjusted opacity for subtlety */
    pointer-events: none;
    z-index: 50;
    /* Ensure it overlays but allows clicks */
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #c5a059;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a38243;
}

/* Text Selection */
::selection {
    background: #c5a059;
    color: #fff;
}

/* === Components === */

/* Buttons */
.btn-primary {
    background-color: #1a1c20;
    /* brand-dark */
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    /* full */
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background-color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: #c5a059;
    /* brand-gold */
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    /* full */
    font-weight: 700;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background-color: #b08d4a;
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #c5a059;
    /* brand-gold */
    color: #c5a059;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline:hover {
    background-color: #c5a059;
    color: #ffffff;
}

/* Cards */
.card-glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

/* Inputs */
.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    background-color: #ffffff;
    transition: all 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: #c5a059;
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}