/* Base */
:root {
    --ink: #1f2933;
    --muted: #6b7280;
    --site-bg: #f6f7f8;
    --line: #e5e7eb;
    --accent: #111827;
    --card-bg: #ffffff;
    --soft-card: #f9fafb;
    --blue: #eef6ff;
    --pink: #fff3f6;
    --mint: #f1fbf6;
    --lavender: #f7f3ff;
    --yellow: #fff9e8;
    --orange: #fff4ea;
    --shadow: 0 14px 34px rgba(17, 24, 39, 0.08);
    --soft-shadow: 0 8px 20px rgba(17, 24, 39, 0.07);
    --radius: 22px;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", sans-serif;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 400;
    color: var(--ink);
    background: var(--site-bg);
}

button,
input,
select,
textarea {
    font-family: var(--font-sans);
}

h1, .h1 {
    font-family: var(--font-sans);
    font-weight: 700;
}

h2, .h2 {
    font-family: var(--font-sans);
    font-weight: 600;
}

h3, .h3 {
    font-family: var(--font-sans);
    font-weight: 500;
}

p, a, li {
    font-weight: 400;
}

.light-text {
    font-weight: 300;
}

.bold-text {
    font-weight: 700;
}

button, .button {
    font-family: var(--font-sans);
    font-weight: 500;
    background-color: #0073aa;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover, .button:hover {
    background-color: #005f8d;
}

button.secondary, .button.secondary {
    background-color: #f0f0f0;
    color: #333;
}

button.secondary:hover, .button.secondary:hover {
    background-color: #e0e0e0;
}