/* au PAY donation - common styles */
:root {
    --au-orange: #EB5505;
    --au-orange-hover: #d54c04;
    --text-primary: #000000;
    --bg-white: #ffffff;
    --bg-soft: #f7f7f7;
    --bg-light: #f7f7f7;
    --border-color: #e4e4e4;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
    background: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Header */
.header {
    background: linear-gradient(135deg, #fdf4f2 0%, #fce8e4 50%, #fbe0da 100%);
    border-bottom: 1px solid #f5d5cf;
    padding: 0;
    text-align: center;
}

.header-banner {
    margin: 0;
    width: 100%;
    overflow: hidden;
    background: #fbe0da;
}

.header-banner img {
    display: block;
    width: 100%;
    height: auto;
}

/* Page container */
.page {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 22px 16px 40px;
}

/* Actions & Buttons */
.actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    width: 100%;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.btn-primary {
    background: var(--au-orange);
    color: #ffffff;
}

.btn-secondary {
    background: #ffffff;
    color: #000000;
    border: 1px solid #d9d9d9;
}

.btn:hover {
    opacity: 0.92;
}

/* Footer */
.footer {
    margin-top: 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    padding: 18px 16px;
    font-size: 12px;
    color: var(--text-primary);
}

/* Responsive */
@media (min-width: 768px) {
    .page {
        max-width: 640px;
        padding: 32px 20px 60px;
    }
}