/**
 * キャンペーンフォーム スタイル
 * ショートコード: [campaign_form]
 * 参考: https://minatomirai21.com/inquiry
 */

/* ========================================
   フォームラッパー
   ======================================== */
.campaign-form-wrapper {
    max-width: 800px;
    margin-inline: auto;
    background-color: #fff;
}

/* ========================================
   ヘッダー部分
   ======================================== */
.campaign-form-header {
    text-align: center;
    margin-block-end: 32px;
}

.campaign-form-header__title {
    position: relative;
    width: fit-content;
    margin-inline: auto;
    margin-block-end: 16px;
    padding-block-end: 16px;
    /* 375px: 20px, 1920px: 28px */
    font-size: clamp(1.25rem, 1.13rem + 0.52vw, 1.75rem);
    font-weight: 700;
    color: #333;
}

.campaign-form-header__title::after {
    content: "";
    position: absolute;
    inset-block-end: 0;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    width: 10%;
    height: 2px;
    background-color: #dc3545;
}

/* スマホのみ表示 */
.campaign-form-header__title .sp-only {
    display: none;
}

.campaign-form-header__subtitle {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* ========================================
   フォーム本体（横2カラム）
   ======================================== */
.campaign-form {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-block-start: 1px solid #e5e5e5;
}

/* フィールド（横2カラム） */
.campaign-form__field {
    display: grid;
    grid-template-columns: 180px 1fr;
    align-items: baseline;
    gap: 16px;
    padding: 20px 0;
    border-block-end: 1px solid #e5e5e5;
}

/* ラベル */
.campaign-form__label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

/* 必須マーク */
.campaign-form__required {
    color: #dc3545;
    font-weight: 700;
}

/* 入力フィールドラッパー（inputとhintをまとめる） */
.campaign-form__input-wrapper {
    display: flex;
    flex-direction: column;
}

/* 入力フィールド共通 */
.campaign-form__input,
.campaign-form__textarea {
    box-sizing: border-box;
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #f8f8f8;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.campaign-form__input:focus,
.campaign-form__textarea:focus {
    outline: none;
    border-color: #dc3545;
    background-color: #fff;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.campaign-form__input::placeholder,
.campaign-form__textarea::placeholder {
    color: #999;
}

/* テキストエリア */
.campaign-form__textarea {
    min-height: 120px;
    resize: vertical;
}

/* ヒントテキスト */
.campaign-form__hint {
    font-size: 12px;
    color: #888;
    margin-block-start: 4px;
}

/* エラーメッセージ */
.campaign-form__error {
    display: none;
    font-size: 12px;
    color: #dc3545;
    margin-block-start: 4px;
}

.campaign-form__error.is-visible {
    display: block;
}

/* エラー状態の入力フィールド */
.campaign-form__input.is-error,
.campaign-form__textarea.is-error {
    background-color: #fff5f5;
    box-shadow: inset 0 0 0 1px #dc3545;
}

/* 送信ボタンエリア */
.campaign-form__submit {
    padding-block: 32px;
    text-align: center;
}

/* 送信ボタン */
.campaign-form__button {
    display: flex;
    justify-content: center;
    align-items: center;
    width: fit-content;
    margin-inline: auto;
    padding: 18px 80px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background-color: #dc3545;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease, box-shadow 0.2s ease;
}

.campaign-form__button:hover {
    background-color: #c82333;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.campaign-form__button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.3);
}

.campaign-form__button:active {
    transform: scale(0.98);
}

.campaign-form__button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 送信中のスピナー */
.campaign-form__button.is-loading {
    position: relative;
    color: transparent;
}

.campaign-form__button.is-loading::after {
    content: "";
    position: absolute;
    inset-block-start: 50%;
    inset-inline-start: 50%;
    width: 20px;
    height: 20px;
    margin-block-start: -10px;
    margin-inline-start: -10px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: campaign-form-spin 0.8s linear infinite;
}

@keyframes campaign-form-spin {
    to {
        transform: rotate(360deg);
    }
}

/* メッセージ表示 */
.campaign-form__message {
    padding: 20px;
    font-size: 14px;
    line-height: 1.8;
    text-align: center;
    border-radius: 4px;
    margin-block-start: 16px;
}

.campaign-form__message--success {
    color: #155724;
    background-color: #d4edda;
}

.campaign-form__message--error {
    color: #721c24;
    background-color: #f8d7da;
}

/* 送信完了後のフォーム非表示 */
.campaign-form.is-submitted .campaign-form__field,
.campaign-form.is-submitted .campaign-form__submit {
    display: none;
}

/* ========================================
   電話問い合わせ
   ======================================== */
.campaign-form-phone {
    text-align: center;
}

/* ヘッダー内の電話セクション */
.campaign-form-phone--header {
    margin-block-start: 16px;
}

.campaign-form-phone__label {
    font-size: 13px;
    color: #666;
    margin: 0 0 12px 0;
}

.campaign-form-phone__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    color: #333;
    text-decoration: none;
    transition: color 0.2s ease;
}

.campaign-form-phone__number:hover {
    color: #dc3545;
}

.campaign-form-phone__icon {
    display: flex;
    align-items: center;
    color: #dc3545;
}

.campaign-form-phone__icon svg {
    width: 24px;
    height: 24px;
}

.campaign-form-phone__info {
    font-size: 12px;
    color: #999;
    margin: 8px 0 0 0;
}

/* ========================================
   レスポンシブ: スマートフォン
   ======================================== */
@media screen and (max-width: 767px) {

    /* ヘッダー */
    .campaign-form-header {
        margin-block-end: 24px;
    }

    .campaign-form-header__title .sp-only {
        display: inline;
    }

    .campaign-form-header__subtitle {
        font-size: 13px;
    }

    /* フォームフィールド：縦1カラムに */
    .campaign-form__field {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 16px 0;
    }

    .campaign-form__label {
        font-size: 13px;
    }

    .campaign-form__input,
    .campaign-form__textarea {
        padding: 12px 14px;
        font-size: 16px; /* iOS対策: 16px未満だとズームされる */
    }

    /* 送信ボタン */
    .campaign-form__submit {
        padding-block: 24px;
    }

    .campaign-form__button {
        min-width: 100%;
        padding: 14px 32px;
        font-size: 15px;
    }

    .campaign-form__message {
        padding: 16px;
        font-size: 13px;
    }

    /* 電話 */
    .campaign-form-phone {
        padding-block-start: 24px;
    }

    .campaign-form-phone__label {
        font-size: 12px;
    }

    .campaign-form-phone__number {
        font-size: 22px;
    }

    .campaign-form-phone__icon svg {
        width: 22px;
        height: 22px;
    }

    .campaign-form-phone__info {
        font-size: 11px;
    }
}