/* ========== Omusubi - Frontend Styles ========== */

.omusubi-form-wrapper {
    --omusubi-theme-color: #4A90D9;
    max-width: 680px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
}

.omusubi-form {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
}

@media (max-width: 640px) {
    .omusubi-form {
        padding: 0;
        border-radius: 0;
    }
}

/* ========== Fields ========== */
/* デザイントークン (CSS 変数) のデフォルト値。
   render_shortcode が wp_add_inline_style でフォーム単位に値を上書きする。 */
.omusubi-form-wrapper {
    --omusubi-radius: 8px;
    --omusubi-btn-radius: 8px;
    --omusubi-field-gap: 24px;
    --omusubi-input-pad-y: 12px;
    --omusubi-input-pad-x: 16px;
    --omusubi-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Noto Sans JP', sans-serif;
}
.omusubi-form-wrapper {
    font-family: var(--omusubi-font-family);
}

.omusubi-field {
    margin-bottom: var(--omusubi-field-gap);
}

/* 全幅フィールドは必ず単独行 (テーマ CSS による inline-block 化を打ち消す)
   高 specificity でテーマからの上書きを防ぐ */
.omusubi-form-wrapper .omusubi-form .omusubi-field.omusubi-field--full {
    display: block !important;
    width: 100% !important;
    clear: both;
}

.omusubi-field--half {
    display: inline-block;
    width: calc(50% - 8px);
    vertical-align: top;
    margin-right: 12px;
}

/* 直前が full のとき、半分フィールドは行頭から始める */
.omusubi-field--full + .omusubi-field--half {
    margin-right: 12px;
}
.omusubi-field--half + .omusubi-field--half {
    margin-right: 0;
}

@media (max-width: 640px) {
    .omusubi-field--half {
        display: block;
        width: 100%;
        margin-right: 0;
    }
}

/* ========== Label ========== */
.omusubi-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    line-height: 1.5;
}

.omusubi-required {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    background: var(--omusubi-theme-color);
    padding: 1px 8px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
    letter-spacing: 0.5px;
}

/* 必須マーク: アスタリスク (*) */
.omusubi-form-wrapper[data-required-mark="asterisk"] .omusubi-required {
    background: transparent;
    color: #e74c3c;
    padding: 0;
    margin-left: 4px;
    font-size: 14px;
    line-height: 1;
}
.omusubi-form-wrapper[data-required-mark="asterisk"] .omusubi-required {
    font-size: 0; /* 元の "必須" テキストを隠す */
}
.omusubi-form-wrapper[data-required-mark="asterisk"] .omusubi-required::before {
    content: "*";
    font-size: 14px;
}

/* 必須マーク: テキスト (必須) */
.omusubi-form-wrapper[data-required-mark="text"] .omusubi-required {
    background: transparent;
    color: #e74c3c;
    padding: 0;
    font-size: 12px;
    font-weight: 500;
}
.omusubi-form-wrapper[data-required-mark="text"] .omusubi-required {
    font-size: 0;
}
.omusubi-form-wrapper[data-required-mark="text"] .omusubi-required::before {
    content: "（必須）";
    font-size: 12px;
}

.omusubi-field-description {
    font-size: 13px;
    color: #888;
    margin: 0 0 6px;
    line-height: 1.5;
}

/* ========== Input Styles ========== */
.omusubi-input,
.omusubi-textarea,
.omusubi-select {
    width: 100%;
    padding: var(--omusubi-input-pad-y) var(--omusubi-input-pad-x);
    font-size: 15px;
    color: #333;
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: var(--omusubi-radius);
    box-sizing: border-box;
    transition: border-color 0.25s, box-shadow 0.25s, background 0.25s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    font-family: inherit;
}

/* フィールドスタイル: 塗りつぶし */
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-input,
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-textarea,
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-select {
    background: #f5f6f8;
    border-color: transparent;
}
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-input:focus,
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-textarea:focus,
.omusubi-form-wrapper[data-field-style="filled"] .omusubi-select:focus {
    background: #fff;
    border-color: var(--omusubi-theme-color);
}

/* フィールドスタイル: アンダーライン */
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-input,
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-textarea,
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-select {
    border: none;
    border-bottom: 2px solid #e0e0e0;
    border-radius: 0;
    padding-left: 0;
    padding-right: 0;
    background: transparent;
}
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-input:focus,
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-textarea:focus,
.omusubi-form-wrapper[data-field-style="underline"] .omusubi-select:focus {
    border-bottom-color: var(--omusubi-theme-color);
    box-shadow: none;
}

.omusubi-input:focus,
.omusubi-textarea:focus,
.omusubi-select:focus {
    border-color: var(--omusubi-theme-color);
    box-shadow: 0 0 0 4px rgba(74, 144, 217, 0.1);
}

.omusubi-input::placeholder,
.omusubi-textarea::placeholder {
    color: #d6d6d6;
    opacity: 1;
}
.omusubi-select {
    color: #333;
}
.omusubi-select:has(option[value=""]:checked) {
    color: #d6d6d6;
}

.omusubi-input-error {
    border-color: #E74C3C !important;
    box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.08) !important;
}

.omusubi-textarea {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

.omusubi-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23666'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 20px;
    padding-right: 40px;
}

/* ========== Radio / Checkbox ========== */
.omusubi-radio-group,
.omusubi-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.omusubi-radio-label,
.omusubi-checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #444;
    cursor: pointer;
    padding: 6px 0;
    border: none;
    border-radius: 0;
    background: transparent;
    transition: color 0.2s;
}

.omusubi-radio-label:hover,
.omusubi-checkbox-label:hover {
    color: var(--omusubi-theme-color);
    background: transparent;
}

.omusubi-radio-label input:checked + span,
.omusubi-checkbox-label input:checked + span {
    color: var(--omusubi-theme-color);
    font-weight: 600;
}

.omusubi-radio-label input[type="radio"],
.omusubi-checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--omusubi-theme-color);
    flex-shrink: 0;
}

/* ========== File Upload ========== */
.omusubi-file-upload {
    position: relative;
}

.omusubi-file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
}

.omusubi-file-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
    border: 2px dashed #d0d0d0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s;
    background: #fafafa;
    text-align: center;
}

.omusubi-file-label:hover {
    border-color: var(--omusubi-theme-color);
    background: rgba(74, 144, 217, 0.03);
}

.omusubi-file-icon {
    font-size: 20px;
}

.omusubi-file-text {
    font-size: 14px;
    font-weight: 600;
    color: #666;
}

.omusubi-file-name {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--omusubi-theme-color);
    font-weight: 600;
}

/* ========== Postal Code ========== */
.omusubi-postal-wrapper {
    display: flex;
    gap: 8px;
    align-items: stretch;
}

.omusubi-postal-wrapper .omusubi-input {
    flex: 1 1 auto;
    min-width: 0;
}

.omusubi-postal-lookup-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0 16px;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: var(--omusubi-theme-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.15s;
    white-space: nowrap;
}

.omusubi-postal-lookup-btn:hover:not(:disabled) {
    opacity: 0.9;
    transform: translateY(-1px);
}

.omusubi-postal-lookup-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.omusubi-postal-lookup-btn[hidden] {
    display: none !important;
}

@media (max-width: 480px) {
    .omusubi-postal-wrapper {
        flex-direction: column;
    }
    .omusubi-postal-lookup-btn {
        padding: 10px 16px;
        justify-content: center;
    }
}

.omusubi-input--ascii {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Mono', Menlo, Consolas, monospace;
    letter-spacing: 0.02em;
}

/* ========== Heading & Divider ========== */
.omusubi-heading {
    font-size: 20px;
    font-weight: 700;
    color: #222;
    margin: 8px 0 4px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--omusubi-theme-color);
}

.omusubi-heading-description {
    font-size: 14px;
    color: #888;
    margin: 0;
    line-height: 1.6;
}

.omusubi-divider {
    border: none;
    border-top: 1px solid #e8e8e8;
    margin: 16px 0;
}

/* ========== Error Message ========== */
.omusubi-error-message {
    display: none;
    font-size: 13px;
    color: #E74C3C;
    margin-top: 6px;
    padding-left: 2px;
    line-height: 1.4;
}

/* ========== Privacy ========== */
.omusubi-field--privacy {
    padding: 0;
    background: transparent;
    border-radius: 0;
    margin-top: 8px;
}

.omusubi-field--privacy .omusubi-checkbox-label {
    border: none;
    padding: 0;
    background: transparent;
    flex-wrap: wrap;
}

/* ラベル内のリンク (外部URL) */
.omusubi-privacy-link {
    color: var(--omusubi-theme-color);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
    transition: opacity 0.15s;
}

.omusubi-privacy-link:hover {
    opacity: 0.75;
}

/* ラベル内のトグルボタン (本文展開) */
.omusubi-privacy-toggle {
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
    font: inherit;
    color: var(--omusubi-theme-color);
    text-decoration: underline;
    text-underline-offset: 2px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.omusubi-privacy-toggle::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 2px;
    transition: transform 0.3s ease;
}

.omusubi-privacy-toggle[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.omusubi-privacy-toggle:hover {
    opacity: 0.75;
}

.omusubi-privacy-toggle:focus-visible {
    outline: 2px solid var(--omusubi-theme-color);
    outline-offset: 2px;
    border-radius: 2px;
}

/* 展開パネル */
.omusubi-privacy-content {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0.0, 0.2, 1),
                opacity 0.3s ease,
                margin 0.3s ease;
    opacity: 0;
    margin-top: 0;
}

.omusubi-privacy-content.is-opening,
.omusubi-privacy-content.is-open {
    opacity: 1;
    margin-top: 10px;
}

.omusubi-privacy-content-inner {
    padding: 16px 18px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.8;
    color: #444;
    max-height: 260px;
    overflow-y: auto;
    white-space: pre-wrap;
}

.omusubi-privacy-content-inner::-webkit-scrollbar {
    width: 6px;
}
.omusubi-privacy-content-inner::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.15);
    border-radius: 3px;
}

.omusubi-field-error {
    animation: omusubiShake 0.4s ease;
}

@keyframes omusubiShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}

/* ========== reCAPTCHA ========== */
.omusubi-field--recaptcha {
    margin-bottom: 20px;
}

.omusubi-recaptcha-v2 {
    display: flex;
    justify-content: center;
}

.omusubi-recaptcha-notice {
    text-align: center;
    font-size: 11px;
    color: #888;
    margin: 16px 0 0;
    line-height: 1.5;
}

.omusubi-recaptcha-notice a {
    color: #666;
    text-decoration: underline;
}

.omusubi-recaptcha-notice a:hover {
    color: var(--omusubi-theme-color);
}

/* ========== Submit Button ========== */
.omusubi-form-submit {
    margin-top: 32px;
    text-align: center;
}

.omusubi-submit-btn {
    display: inline-block;
    width: 100%;
    max-width: 320px;
    padding: 18px 40px;
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    background: var(--omusubi-theme-color);
    border: 2px solid var(--omusubi-theme-color);
    border-radius: var(--omusubi-btn-radius, 50px);
    cursor: pointer;
    transition: all 0.3s;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

/* ボタンスタイル: アウトライン */
.omusubi-form-wrapper[data-button-style="outline"] .omusubi-submit-btn {
    background: transparent;
    color: var(--omusubi-theme-color);
}
.omusubi-form-wrapper[data-button-style="outline"] .omusubi-submit-btn:hover {
    background: var(--omusubi-theme-color);
    color: #fff;
}

/* ボタンスタイル: ソフト (淡い背景) */
.omusubi-form-wrapper[data-button-style="soft"] .omusubi-submit-btn {
    background: color-mix(in srgb, var(--omusubi-theme-color) 14%, transparent);
    color: var(--omusubi-theme-color);
    border-color: transparent;
}
.omusubi-form-wrapper[data-button-style="soft"] .omusubi-submit-btn:hover {
    background: var(--omusubi-theme-color);
    color: #fff;
}

.omusubi-submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.omusubi-submit-btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.omusubi-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.omusubi-btn-loading {
    pointer-events: none;
}

/* 送信ボタン内のテキストスパン (デフォルト挙動)
   - default は通常通り表示
   - error はデフォルトでは非表示。テーマ側の CSS で 2 段階演出を組む際に上書きで表示する */
.omusubi-submit-btn .omusubi-submit-text--default {
    display: inline;
}
.omusubi-submit-btn .omusubi-submit-text--error {
    display: none;
}

.omusubi-btn-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: omusubiLoading 1.5s infinite;
}

@keyframes omusubiLoading {
    to { transform: translateX(100%); }
}

/* ========== Complete Message ========== */
.omusubi-form-complete {
    text-align: center;
    padding: 60px 24px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.omusubi-complete-icon {
    width: 72px;
    height: 72px;
    line-height: 72px;
    font-size: 36px;
    color: #fff;
    background: var(--omusubi-theme-color);
    border-radius: 50%;
    margin: 0 auto 20px;
}

.omusubi-complete-message {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    line-height: 1.7;
}

.omusubi-fade-in {
    animation: omusubiFadeIn 0.5s ease;
}

@keyframes omusubiFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== Period Notice (受付期間外) ========== */
.omusubi-period-notice {
    text-align: center;
    padding: 56px 24px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.omusubi-period-notice--before {
    background: #fffaf0;
    border: 1px solid #f4d9a0;
}

.omusubi-period-notice--after {
    background: #f8f9fa;
    border: 1px solid #e0e0e0;
}

.omusubi-period-icon {
    width: 64px;
    height: 64px;
    line-height: 64px;
    font-size: 28px;
    color: #fff;
    border-radius: 50%;
    margin: 0 auto 18px;
}

.omusubi-period-notice--before .omusubi-period-icon {
    background: #F39C12;
}

.omusubi-period-notice--after .omusubi-period-icon {
    background: #95A5A6;
}

.omusubi-period-message {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    line-height: 1.7;
    margin: 0;
}

@media (max-width: 480px) {
    .omusubi-period-notice {
        padding: 40px 16px;
    }
    .omusubi-period-message {
        font-size: 15px;
    }
}

/* ========== Responsive ========== */
@media (max-width: 480px) {
    .omusubi-input,
    .omusubi-textarea,
    .omusubi-select {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 10px 14px;
    }

    .omusubi-label {
        font-size: 13px;
    }

    .omusubi-submit-btn {
        width: 100%;
        max-width: none;
        padding: 14px;
    }

    .omusubi-form-complete {
        padding: 40px 16px;
    }
}