/* 申込ページ（join.php）— LP とトーンを揃えた最小スタイル */
:root {
    --primary-color: #2d7f3e;
    --primary-light: #3a9d51;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
    --border: #dee2e6;
    --danger: #c0392b;
    --bg: #f8f9fa;
    --font: 'Noto Sans JP', sans-serif;
    --font-accent: 'M PLUS Rounded 1c', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    color: var(--text-dark);
    line-height: 1.7;
    background: var(--bg);
    min-height: 100vh;
}

.join-header {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 10;
}

.join-header-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.join-brand {
    font-family: var(--font-accent);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.join-brand:hover {
    opacity: 0.9;
}

.join-back {
    font-size: 0.9rem;
    color: var(--text-light);
    text-decoration: none;
}

.join-back:hover {
    color: var(--primary-color);
}

.join-main {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--nav-height, 80px) 1.25rem 3rem;
}

.join-title {
    font-family: var(--font-accent);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0 0 0.5rem;
}

.join-lead {
    color: var(--text-light);
    margin: 0 0 1.5rem;
    font-size: 0.95rem;
}

.join-card {
    background: #fff;
    border-radius: 16px;
    padding: 1.5rem 1.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.join-plan-badge {
    display: inline-block;
    background: linear-gradient(135deg, #2d7f3e 0%, #52b788 100%);
    color: #fff;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
}

.form-group .hint {
    font-weight: 400;
    color: var(--text-light);
    font-size: 0.85rem;
}

.req {
    color: var(--danger);
    font-size: 0.85rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(45, 127, 62, 0.15);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

.field-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.35rem;
}

.radio-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.radio-list label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}

.radio-list input {
    margin-top: 0.35rem;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-row input {
    margin-top: 0.35rem;
}

.checkbox-row label {
    font-weight: 500;
}

.checkbox-row a {
    color: var(--primary-color);
}

.global-error {
    background: #fdecea;
    color: #922b21;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.5rem;
    font-weight: 600;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #2d7f3e 0%, #52b788 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(45, 127, 62, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(45, 127, 62, 0.3);
}

.btn-secondary {
    background: #fff;
    color: var(--text-dark);
    border: 2px solid var(--border);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.confirm-dl {
    margin: 0;
}

.confirm-dl dt {
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 1rem;
}

.confirm-dl dt:first-child {
    margin-top: 0;
}

.confirm-dl dd {
    margin: 0.25rem 0 0;
    font-size: 1rem;
}

.complete-icon {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 1rem;
}

.join-footer-note {
    text-align: center;
    color: var(--text-light);
    font-size: 0.8rem;
    margin-top: 2rem;
}

@media (max-width: 480px) {
    .join-title {
        font-size: 1.4rem;
    }

    .btn-row {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}