html {
        font-size: 16px;
        -webkit-font-smoothing: antialiased;
    }

    body {
        font-family: 'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro', 'MS Gothic', 'ＭＳ　ゴシック', sans-serif;
        color: #333;
        background: #eef5f8;
        min-height: 100vh;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    .radio-list input[type="radio"],
    .checkbox-list input[type="checkbox"] {
        display: flex !important;
    }

    /* ============  FV ============ */
    .fv {
        position: relative;
        width: 100%;
        height: 460px;
        overflow: hidden;
    }

    .fv-bg {
        position: absolute;
        inset: 0;
        background: url('../../assets/images/common/fv-bg.webp') center / cover no-repeat;
    }

    .fv-content,
    .thanks_text-box {
        position: relative;
        z-index: 2;
        text-align: center;
        padding-top: 56px;
        color: #333333;
    }

    .fv-content p {
        font-size: 14px;
        font-weight: bold;
        line-height: 1.8;
        max-width: 680px;
        margin: 0 auto;
    }

    /* ============ TITLE BADGE ============ */
    .title-badge-wrap {
        text-align: center;
        margin-top: 34px;
        position: relative;
        z-index: 3;
    }

    .title-badge {
        display: inline-block;
        background: #3D478F;
        color: #fff;
        padding: 18px 60px;
        font-size: 20px;
        font-weight: 700;
        line-height: 1.4;
        letter-spacing: 0.5px;
    }

    /* ============ FORM SECTION ============ */
    .form-section {
        max-width: 760px;
        margin: 0 auto;
        padding: 52px 24px 80px;
        position: relative;
    }

    .form-card {
        background: #fff;
        border-radius: 4px;
        padding: 56px 64px 52px;
        position: relative;
        z-index: 100;
        margin-top: -120px;
    }

    /* ---- 各フィールド行 ---- */
    .field-row {
        display: flex;
        align-items: flex-start;
        margin-bottom: 32px;
        gap: 20px;
    }

    .field-label {
        width: 140px;
        min-width: 140px;
        padding-top: 10px;
        font-size: 14px;
        color: #333333;
        text-align: left;
        line-height: 1.4;
    }

    .field-label .req {
        color: #c0392b;
        margin-left: 2px;
    }

    .field-body {
        flex: 1;
    }

    /* ---- テキスト入力 ---- */
    .input-text {
        width: 100%;
        border: none;
        border-bottom: 1px solid #2a5f8a;
        background-color: #f9f9f9;
        padding: 8px 4px;
        font-size: 14px;
        font-family: inherit;
        color: #333;
        outline: none;
        transition: border-color 0.2s;
    }

    .input-text:focus {
        border-bottom-color: #2a5f8a;
    }

    .input-text::placeholder {
        color: #aab;
    }

    /* ---- セレクト ---- */
    .select-wrap {
        position: relative;
        display: inline-block;
        min-width: 200px;
    }

    .input-select {
        width: 100%;
        appearance: none;
        -webkit-appearance: none;
        border-bottom: 1px solid #2a5f8a;
        border-radius: 3px;
        background-color: #f9f9f9;
        padding: 8px 36px 8px 12px;
        font-size: 14px;
        font-family: inherit;
        color: #888;
        outline: none;
        cursor: pointer;
        transition: border-color 0.2s;
    }

    .input-select:focus {
        border-color: #2a5f8a;
    }

    .input-select option {
        color: #333;
    }

    .input-select.is-selected {
        color: #333;
    }

    .select-wrap::after {
        content: '';
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        width: 0;
        height: 0;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 5px solid #2a5f8a;
        pointer-events: none;
    }

    /* ---- ヘルパーテキスト ---- */
    .helper {
        font-size: 11px;
        color: #888;
        margin-top: 4px;
        line-height: 1.5;
    }

    /* ---- ラジオボタン ---- */
    .radio-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .radio-list li label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        cursor: pointer;
    }

    .radio-list input[type="radio"] {
        appearance: none;
        -webkit-appearance: none;
        width: 18px;
        height: 18px;
        border: 1px solid #2a5f8a;
        border-radius: 50%;
        background: #fff;
        transition: border-color 0.2s, box-shadow 0.2s;
        flex-shrink: 0;
    }

    .radio-list input[type="radio"]:checked {
        border-color: #2a5f8a;
        box-shadow: inset 0 0 0 2px #fff, inset 0 0 0 8px #2a5f8a;
    }

    /* ---- テキスト入力（複数行・希望日） ---- */
    .input-date {
        width: 100%;
        border-bottom: 1px solid #2a5f8a;
        border-radius: 3px;
        background-color: #f9f9f9;
        padding: 8px 12px;
        font-size: 14px;
        font-family: inherit;
        color: #333;
        outline: none;
        margin-bottom: 6px;
        transition: border-color 0.2s;
    }

    .input-date:focus {
        border-color: #2a5f8a;
    }

    .input-date::placeholder {
        color: #aab;
    }

    /* ---- チェックボックス ---- */
    .checkbox-list {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .checkbox-list li label {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        cursor: pointer;
    }

    .checkbox-list input[type="checkbox"] {
        appearance: none;
        -webkit-appearance: none;
        width: 18px;
        height: 18px;
        border: 1px solid #2a5f8a;
        border-radius: 3px;
        background: #fff;
        transition: background 0.2s, border-color 0.2s;
        flex-shrink: 0;
        position: relative;
    }

    .checkbox-list input[type="checkbox"]:checked {
        background: #2a5f8a;
        border-color: #2a5f8a;
    }

    .checkbox-list input[type="checkbox"]:checked::after {
        content: '';
        position: absolute;
        left: 4px;
        top: 1px;
        width: 6px;
        height: 10px;
        border: solid #fff;
        border-width: 0 2px 2px 0;
        transform: rotate(45deg);
    }

    /* ---- テキスト・エリア ---- */
    .input-textarea {
        width: 100%;
        min-height: 100px;
        border-radius: 3px;
        background-color: #f9f9f9;
        padding: 10px 12px;
        font-size: 14px;
        font-family: inherit;
        color: #333;
        resize: vertical;
        outline: none;
        transition: border-color 0.2s;
    }

    .input-textarea:focus {
        border-color: #2a5f8a;
    }

    /* ---- 送信ボタン ---- */
    .submit-wrap {
        text-align: center;
        margin-top: 40px;
    }

    .btn-submit {
        display: inline-block;
        background: #2a5f8a;
        color: #fff;
        border: none;
        border-radius: 4px;
        padding: 14px 56px;
        font-size: 16px;
        font-family: inherit;
        font-weight: 600;
        letter-spacing: 2px;
        cursor: pointer;
        transition: background 0.2s;
    }

    .btn-submit:hover {
        background: #1e4a6e;
    }

    /* ---- バリデーションエラー ---- */
    .error-msg {
        color: #c0392b;
        font-size: 12px;
        margin-top: 4px;
        display: none;
    }

    .field-row.has-error .input-text,
    .field-row.has-error .input-select,
    .field-row.has-error .input-date,
    .field-row.has-error .input-textarea {
        border-color: #c0392b;
    }

    .field-row.has-error .error-msg {
        display: block;
    }


    /* ============ THANKS ============ */

    #contact-thanks {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 48px 16px;

    }

    #contact-thanks p {
        margin: 2rem 0;
    }

    #contact-thanks .wrapper {
        position: relative;
        z-index: 1;
    }

    #contact-thanks .fv-bg {
        position: absolute;
        inset: 0;
        z-index: 0;
        z-index: -2;
    }

    .thanks_text-box {
        width: min(720px, 100%);
        background: rgba(255, 255, 255, .9);
        border-radius: 12px;
        padding: 28px 28px 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, .08);
        margin: 0;
    }

    .top_btn {
        padding: 0.8rem;
        font-size: 14px;
        color: #fff;
        background-color: #2a5f8a;
        border-radius: 8px;
        position: relative;
        z-index: 100;
        text-align: center;
        margin-top: 18px;
        width: 140px;
        display: block;
    }

    body {
        min-height: 100vh;
        display: flex;
        flex-direction: column;

    }

    #thanks-main {
        flex: 1;
        display: flex;
    }

    @media (max-width: 680px) {

        #contact-thanks {
            min-height: 580px;
        }

        #contact-thanks p {
            text-align: left;
        }

    }


    /* ============ RESPONSIVE ============ */
    @media (max-width: 680px) {
        .site-nav {
            padding: 12px 16px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .nav-links {
            gap: 16px;
            font-size: 12px;
        }

        .fv {
            height: 400px;
        }

        .fv-content {
            padding-top: 36px;
        }

        .fv-content p {
            font-size: 13px;
            padding: 0 2rem;
        }

        .title-badge {
            padding: 14px 32px;
            font-size: 17px;
        }

        .form-card {
            padding: 36px 20px 40px;
        }

        .field-row {
            flex-direction: column;
            gap: 6px;
        }

        .field-label {
            width: 100%;
            text-align: left;
            padding-top: 0;
        }

        .btn-submit {
            width: 100%;
            padding: 16px;
        }

        .field-body {
            width: 100%;
        }


    }