:root {
    --navy: #0b1f3a;
    --gold: #c9a227;
    --bg: #f5f6f8;
    --text: #1c1c1c;
    --error: #b3261e;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
    background: var(--bg);
    color: var(--text);
}

header.brand {
    background: var(--navy);
    color: #fff;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header.brand .logo {
    display: inline-block;
    width: 135px;
    height: 32px;
    background-image: url('logo-header.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: left center;
    text-indent: -9999px;
    overflow: hidden;
}

header.brand a {
    color: #fff;
    text-decoration: none;
}

.card {
    max-width: 420px;
    margin: 64px auto;
    background: #fff;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.card h1 {
    margin-top: 0;
    font-size: 1.25rem;
    border-left: 4px solid var(--gold);
    padding-left: 10px;
}

.field { margin-bottom: 16px; }

label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    width: 100%;
    padding: 12px;
    background: var(--navy);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
}

button:hover { background: #123057; }

.error {
    background: #fdecea;
    color: var(--error);
    padding: 10px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.notice {
    background: #eef3ff;
    color: var(--navy);
    padding: 10px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.dashboard { max-width: 720px; margin: 32px auto; padding: 0 16px; }

table { width: 100%; border-collapse: collapse; margin-top: 12px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid #ddd; }