/* =============================================
 * Shinsei Print Estimate Form Styles
 * v2.4 — 割引機能対応・スマホ表示全面修正
 * ============================================= */

/* ---- 全体フォント ---- */
.shinsei-form,
.shinsei-form *,
#shinsei-estimate-form,
#shinsei-estimate-form * {
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium", "Yu Gothic", "Noto Sans JP", "Meiryo", sans-serif;
    box-sizing: border-box;
}

/* ---- フォームカード ---- */
#shinsei-estimate-form {
    background: #fff;
    border: 1px solid #e8d4b8;
    border-radius: 12px;
    padding: 28px 24px 20px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
    margin-bottom: 8px;
}

/* ---- ステップカウンター ---- */
#shinsei-estimate-form {
    counter-reset: shinsei-step;
}

/* ---- セクション ---- */
.shinsei-form .shinsei-section {
    margin-bottom: 22px;
}

/* ---- 見出し h3 ---- */
.shinsei-form h3 {
    font-size: 15px;
    font-weight: 700;
    color: #5a3e1b;
    margin: 0 0 12px 0;
    padding: 10px 12px 10px 14px;
    background: linear-gradient(90deg, #fdf0dc 0%, #fdf6ee 100%);
    border-left: 4px solid #e8820c;
    border-radius: 0 6px 6px 0;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 8px;
}

.shinsei-form .shinsei-section:has(h3) > h3::before {
    counter-increment: shinsei-step;
    content: "STEP " counter(shinsei-step);
    font-size: 11px;
    font-weight: 800;
    color: #fff;
    background: #e8820c;
    border-radius: 4px;
    padding: 2px 7px;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* ---- 見出し h4 ---- */
.shinsei-form h4,
.shinsei-sheet-row h4 {
    font-size: 13px;
    font-weight: 700;
    color: #23282d;
    margin: 0 0 8px 0;
    padding: 6px 10px;
    background: #fdf6ee;
    border-left: 3px solid #e8a848;
    line-height: 1.4;
}

/* ---- ラベル ---- */
.shinsei-form label {
    font-size: 13px;
    font-weight: 500;
    color: #444;
    display: block;
    width: 100%;
    margin-bottom: 4px;
    line-height: 1.5;
}

/* ---- 行レイアウト（スマホファースト: 縦積み・左揃え） ---- */
.shinsei-form .shinsei-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 8px;
}

/* ---- セレクト・インプット共通（スマホ: 全幅・左揃え） ---- */
.shinsei-form select,
.shinsei-form input[type="number"],
.shinsei-form input[type="text"] {
    font-size: 16px; /* iOSズーム防止 */
    padding: 10px 32px 10px 10px;
    border: 1px solid #8c8f94;
    border-radius: 4px;
    background: #fff;
    color: #2c3338;
    line-height: 1.4;
    width: 100%;
    max-width: 100%;
    display: block;
    margin-top: 4px;
    -webkit-appearance: none;
    appearance: none;
}

.shinsei-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath fill='%23666' d='M5 7L0 0h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.shinsei-form select:focus,
.shinsei-form input:focus {
    border-color: #e8a848;
    box-shadow: 0 0 0 2px rgba(232,168,72,0.2);
    outline: none;
}

/* ---- シート行 ---- */
.shinsei-sheet-row {
    background: #fafafa;
    border: 1px solid #e8d4b8;
    border-radius: 8px;
    padding: 14px 16px;
    margin-bottom: 10px;
}

/* ---- シート内フィールド行 ---- */
/* PC: 横並び flex / スマホ: 縦積み（後述のメディアクエリで上書き） */
.shinsei-sheet-row .sheet-fields {
    display: flex;
    flex-direction: column;   /* デフォルト縦積み（スマホファースト） */
    gap: 10px;
}

/* label はブロック・全幅。内側に select が続く */
.shinsei-sheet-row .sheet-fields label {
    font-size: 13px;
    font-weight: 600;
    color: #444;
    display: block;
    width: 100%;
    margin-bottom: 0;
}

/* label 内の select/input も全幅 */
.shinsei-sheet-row .sheet-fields label select,
.shinsei-sheet-row .sheet-fields label input[type="number"] {
    font-size: 14px;
    width: 100%;
    max-width: 100%;
    display: block;
    margin-top: 4px;
}

/* label 直下でない単体 select も全幅 */
.shinsei-sheet-row .sheet-fields select {
    font-size: 14px;
    max-width: 100%;
    width: 100%;
}

/* ---- h4を flex に変更して削除ボタンを右寄せ ---- */
.shinsei-sheet-row h4 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.shinsei-sheet-row h4 span {
    font-size: 12px;
    font-weight: normal;
    color: #b32d2e;
    cursor: pointer;
    margin-left: 8px;
    flex-shrink: 0;
}

.shinsei-sheet-row h4 span:hover {
    text-decoration: underline;
}

/* PC（601px以上）: シートフィールドを横並びに戻す */
@media (min-width: 601px) {
    /* PC: select/input 幅を固定・font-size を戻す */
    .shinsei-form select,
    .shinsei-form input[type="number"],
    .shinsei-form input[type="text"] {
        font-size: 14px;
        width: 100%;
        max-width: 400px;
        padding: 8px 30px 8px 10px;
    }

    /* PC: label 幅を auto に戻す */
    .shinsei-form label {
        width: auto;
    }

    /* PC: shinsei-row は横並び */
    .shinsei-form .shinsei-row {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px 16px;
        align-items: flex-end;
    }

    /* PC: シートフィールドを横並び */
    .shinsei-sheet-row .sheet-fields {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px 14px;
        align-items: flex-end;
    }

    .shinsei-sheet-row .sheet-fields label {
        flex: 1 1 140px;
        max-width: 210px;
        width: auto;
    }

    .shinsei-sheet-row .sheet-fields label select,
    .shinsei-sheet-row .sheet-fields label input[type="number"] {
        width: 100%;
        max-width: 100%;
    }

    .shinsei-sheet-row .sheet-fields select {
        max-width: 210px;
        width: auto;
    }

    #shinsei-calculate {
        width: 100%;
        max-width: 100%;
    }

    /* 注文数量セレクト・カートボタンは PC でも常に全幅 */
    #shinsei-order-qty {
        width: 100% !important;
        max-width: 100% !important;
        font-size: 14px;
        padding: 10px 32px 10px 12px !important; /* .shinsei-form select の上書きを防ぐ */
        line-height: 1.5;
    }

    #shinsei-add-to-cart {
        width: 100%;
    }
}

/* ---- 見積計算ボタン ---- */
#shinsei-calculate {
    font-size: 18px;
    font-weight: 800;
    padding: 16px 32px;
    background: #e8820c;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, transform 0.1s;
    width: 100%;
    max-width: 100%;
    display: block;
    text-align: center;
    letter-spacing: 0.06em;
    box-shadow: 0 5px 18px rgba(232,130,12,0.40);
}

#shinsei-calculate:hover {
    background: #cf720a;
    box-shadow: 0 7px 22px rgba(232,130,12,0.50);
    transform: translateY(-1px);
}

#shinsei-calculate:active {
    transform: translateY(0);
    box-shadow: 0 3px 10px rgba(232,130,12,0.35);
}

/* ---- CTAサポートテキスト ---- */
.shinsei-cta-note {
    margin: 10px 0 0;
    font-size: 12px;
    color: #888;
    text-align: center;
    line-height: 1.6;
    letter-spacing: 0.02em;
}

/* ---- 結果表示エリア ---- */
#shinsei-estimate-result {
    margin-top: 24px;
    line-height: 1.5;
}

.shinsei-estimate-result {
    padding: 0;
}

.shinsei-estimate-result > h3 {
    font-size: 17px;
    font-weight: 700;
    color: #5a3e1b;
    margin: 0 0 14px 0;
    padding: 0 0 10px 0;
    border-bottom: 2px solid #e8a848;
}

/* =============================================
 * 割引バナー
 * ============================================= */
.shinsei-discount-banner {
    background: linear-gradient(135deg, #fff7e6 0%, #ffecc0 100%);
    border: 1.5px solid #e8a848;
    border-radius: 8px;
    padding: 10px 16px;
    margin-bottom: 14px;
    font-size: 14px;
    color: #7a4a10;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.shinsei-discount-banner-icon {
    font-size: 18px;
    flex-shrink: 0;
}

.shinsei-discount-banner strong {
    color: #c8620a;
    font-size: 14px;
}

/* =============================================
 * 見積テーブル
 * ============================================= */
.shinsei-estimate-grid {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.shinsei-estimate-grid .shinsei-estimate-grid-col {
    flex: 1;
    min-width: 0;
}

.shinsei-estimate-grid .shinsei-estimate-table {
    width: 100%;
    margin: 0;
}

.shinsei-estimate-table {
    border-collapse: collapse;
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    box-shadow: 0 2px 10px rgba(0,0,0,0.10);
    border: 1px solid #e0cdb5;
    border-radius: 6px;
    overflow: hidden;
}

.shinsei-estimate-table tr {
    background-color: #fff;
}

.shinsei-estimate-table tbody tr:hover {
    background-color: #fff7ee;
}

.shinsei-estimate-table th,
.shinsei-estimate-table td {
    padding: 9px 12px;
    border-bottom: 1px solid #f0e4d4;
    border-right: 1px solid #f0e4d4;
}

.shinsei-estimate-table th:last-child,
.shinsei-estimate-table td:last-child {
    border-right: none;
}

.shinsei-estimate-table thead th {
    font-size: 13px;
    font-weight: 700;
    padding: 10px 12px;
    text-align: center;
    letter-spacing: 0.02em;
    border-bottom: 2px solid #d4943a;
    border-right: 1px solid rgba(255,255,255,0.3);
    white-space: nowrap;
}

.shinsei-estimate-table thead th:last-child {
    border-right: none;
}

.shinsei-estimate-table thead tr {
    background-color: #f0a848;
    color: #fff;
}

/* 割引列ヘッダー */
.shinsei-estimate-table thead th.th-discount {
    background-color: #e07a10;
}

.shinsei-estimate-table tbody td {
    text-align: center;
    color: #333;
    font-size: 14px;
}

.shinsei-estimate-table tbody td:first-child {
    text-align: center !important;
    font-size: 13px;
    white-space: nowrap;
}

/* 通常価格（打消し） */
.shinsei-estimate-table .price-original {
    text-align: right;
    color: #bbb;
    font-size: 12px;
}

.shinsei-estimate-table .price-original s {
    text-decoration: line-through;
}

/* 割引後価格 */
.shinsei-estimate-table .discount-price {
    background: #fff8ee;
    color: #c8620a !important;
    font-weight: 800 !important;
    font-size: 15px !important;
}

/* 割引行ハイライト */
.shinsei-estimate-table tr.has-discount {
    background: #fffbf4;
}

.shinsei-estimate-table .best-total {
    text-align: right;
    color: #7a4a10;
    font-weight: 700;
    font-size: 15px;
}

.shinsei-estimate-table .best-unit {
    text-align: right;
    color: #888;
    font-size: 12px;
    white-space: nowrap;
}

/* =============================================
 * 注文セクション
 * ============================================= */
.shinsei-order-section {
    margin-top: 20px;
    padding: 16px;
    background: #fdf6ee;
    border: 1px solid #e8d4b8;
    border-radius: 8px;
}

.shinsei-order-qty-label {
    font-size: 14px;
    font-weight: 700;
    color: #5a3e1b;
    display: block;
    margin-bottom: 10px;
}

#shinsei-order-qty {
    font-size: 14px;
    padding: 10px 32px 10px 12px;
    line-height: 1.5;
    height: auto !important;          /* テーマの固定height を無効化 */
    min-height: 44px;                 /* タップ領域確保 */
    overflow: visible !important;     /* 文字切れ防止 */
    border: 1.5px solid #cbb89e;
    border-radius: 6px;
    background: #fff;
    width: 100% !important;
    max-width: 100% !important;
    display: block;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='7' viewBox='0 0 10 7'%3E%3Cpath fill='%23666' d='M5 7L0 0h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

/* ---- 数量チップボタン ---- */
.shinsei-qty-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.shinsei-qty-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 16px;
    border: 2px solid #cbb89e;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    font-size: 14px;
    color: #5a3e1b;
    transition: all 0.15s ease;
    min-width: 80px;
}

.shinsei-qty-chip:hover {
    border-color: #e8a848;
    background: #fff8ef;
}

.shinsei-qty-chip.active {
    border-color: #e8a848;
    background: #e8a848;
    color: #fff;
}

.shinsei-qty-chip.active .shinsei-qty-chip-unit {
    color: rgba(255, 255, 255, 0.85);
}

.shinsei-qty-chip-num {
    font-weight: 700;
    font-size: 15px;
    line-height: 1.3;
}

.shinsei-qty-chip-unit {
    font-size: 11px;
    color: #8a7a5a;
    line-height: 1.3;
}

.shinsei-qty-chip-other {
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: #5a3e1b;
}

.shinsei-qty-chip-other.active {
    color: #fff;
}

/* ---- その他行: ボタン + ステッパーを横並び ---- */
.shinsei-qty-other-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---- その他: 自由入力ステッパー ---- */
.shinsei-qty-custom {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.shinsei-qty-stepper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.shinsei-qty-stepper-btn {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px;
    min-height: 32px !important;
    max-width: 32px;
    max-height: 32px;
    border: 1.5px solid #cbb89e;
    background: #fff;
    font-size: 16px;
    font-weight: 400;
    color: #5a3e1b;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    border-radius: 50% !important;
    padding: 0 !important;
    line-height: 1;
    box-sizing: border-box;
    flex-shrink: 0;
}

.shinsei-qty-stepper-btn:hover {
    background: #e8a848;
    color: #fff;
    border-color: #e8a848;
}

#shinsei-qty-input {
    width: 80px;
    height: 36px;
    border: 1.5px solid #cbb89e;
    text-align: center;
    font-size: 15px;
    font-weight: 700;
    color: #5a3e1b;
    -moz-appearance: textfield;
    border-radius: 6px;
    padding: 0 4px;
}

#shinsei-qty-input::-webkit-inner-spin-button,
#shinsei-qty-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.shinsei-qty-unit-label {
    font-size: 14px;
    font-weight: 600;
    color: #5a3e1b;
    margin-left: 2px;
}

.shinsei-qty-custom-price {
    font-size: 14px;
    color: #5a3e1b;
    min-height: 24px;
}

.shinsei-qty-custom-price strong {
    font-size: 18px;
    color: #c04000;
}

.shinsei-qty-unit-detail {
    font-size: 13px;
    color: #8a7a5a;
}

.shinsei-qty-discount-badge {
    display: inline-block;
    padding: 2px 8px;
    background: #e05050;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    vertical-align: middle;
}

.shinsei-qty-loading {
    color: #999;
    font-size: 13px;
}

.shinsei-qty-error {
    color: #c00;
    font-size: 13px;
}

/* ---- カート追加ボタン ---- */
#shinsei-add-to-cart {
    font-size: 16px;
    font-weight: 700;
    padding: 14px 40px;
    background: #e8a848;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    margin-top: 14px;
    display: block;
    width: 100%;
    text-align: center;
    letter-spacing: 0.06em;
}

#shinsei-add-to-cart:hover {
    background: #d4943a;
    box-shadow: 0 4px 12px rgba(232,168,72,0.40);
}

/* ---- エラーメッセージ ---- */
.shinsei-estimate-result .error,
#shinsei-estimate-result .error {
    color: #d63638;
    padding: 12px 16px;
    font-size: 14px;
    font-weight: 500;
    margin: 8px 0;
}

/* ---- 用紙追加ボタン ---- */
#shinsei-add-sheet {
    font-size: 13px;
    color: #c88530;
    cursor: pointer;
    background: none;
    border: 1px dashed #e8a848;
    border-radius: 4px;
    padding: 6px 16px;
    margin-top: 4px;
    transition: background 0.15s;
}

#shinsei-add-sheet:hover {
    background: #fdf6ee;
}

.shinsei-form .booklet-pages-select label {
    font-weight: 600;
}

.shinsei-calc-detail-wrap {
    margin-top: 8px;
}

/* =============================================
 * アップロードセクション
 * ============================================= */
.shinsei-upload-section {
    margin: 16px 0 0;
    padding: 0;
}

.shinsei-upload-section h3 {
    font-size: 14px;
    margin-bottom: 8px;
}

.shinsei-required {
    color: #d63638;
    font-size: 12px;
    font-weight: normal;
}

.shinsei-optional {
    color: #757575;
    font-size: 12px;
    font-weight: normal;
}

.shinsei-upload-dropzone {
    border: 2px dashed #b4b9be;
    border-radius: 8px;
    padding: 24px 16px;
    text-align: center;
    background: #fafafa;
    transition: border-color 0.2s, background 0.2s;
    cursor: pointer;
}

.shinsei-upload-dropzone:hover {
    border-color: #e8a848;
    background: #fdf6ee;
}

.shinsei-upload-dragover {
    border-color: #e8a848 !important;
    background: #fff7ee !important;
    box-shadow: inset 0 0 10px rgba(232, 168, 72, 0.1);
}

.shinsei-upload-text {
    font-size: 13px;
    color: #555;
    margin: 0 0 10px 0;
    line-height: 1.6;
}

.shinsei-upload-btn .button {
    font-size: 13px;
    padding: 6px 20px;
}

.shinsei-upload-hint {
    font-size: 11px;
    color: #999;
    margin: 8px 0 0 0;
    line-height: 1.5;
}

#shinsei-upload-list {
    margin-top: 10px;
}

.shinsei-upload-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    margin-bottom: 6px;
    font-size: 13px;
    flex-wrap: wrap;
}

.shinsei-upload-item-name {
    font-weight: 500;
    color: #333;
    word-break: break-all;
    flex: 1;
    min-width: 80px;
}

.shinsei-upload-item-size {
    color: #888;
    font-size: 12px;
    white-space: nowrap;
}

.shinsei-upload-item-status {
    font-size: 12px;
    color: #666;
    white-space: nowrap;
}

.shinsei-upload-item-done .shinsei-upload-item-status {
    color: #46b450;
}

.shinsei-upload-item-error {
    border-color: #d63638;
    background: #fef7f7;
}

.shinsei-upload-item-error .shinsei-upload-item-status {
    color: #d63638;
}

.shinsei-upload-progress {
    width: 100px;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    flex-shrink: 0;
}

.shinsei-upload-progress-bar {
    height: 100%;
    background: #e8a848;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.shinsei-upload-cancel {
    background: none;
    border: 1px solid #b4b9be;
    color: #666;
    cursor: pointer;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 3px;
    line-height: 1.4;
    transition: border-color 0.2s, color 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.shinsei-upload-cancel:hover {
    border-color: #d63638;
    color: #d63638;
}

.shinsei-upload-item-cancelled {
    border-color: #dba617;
    background: #fefce8;
    opacity: 0.75;
}

.shinsei-upload-item-cancelled .shinsei-upload-item-status {
    color: #996800;
}

.shinsei-upload-remove {
    background: none;
    border: none;
    color: #b32d2e;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    padding: 0 4px;
    line-height: 1;
    transition: color 0.2s;
}

.shinsei-upload-remove:hover {
    color: #a00;
}

.shinsei-upload-error {
    background: #fef7f7;
    border: 1px solid #d63638;
    color: #d63638;
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 8px;
    font-size: 13px;
}

.shinsei-upload-info {
    background: #fdf6ee;
    border: 1px solid #e8d4b8;
    color: #9e6b20;
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 8px;
    font-size: 13px;
}


/* =============================================
 * スマホ対応（768px以下）
 * ============================================= */
@media (max-width: 768px) {

    .shinsei-form .shinsei-section {
        margin-bottom: 16px;
    }

    .shinsei-form h3 {
        font-size: 13px;
        padding: 8px 10px 8px 12px;
    }

    .shinsei-form h4,
    .shinsei-sheet-row h4 {
        font-size: 13px;
        padding: 5px 8px;
    }

    /* シートフィールドを縦積み */
    .shinsei-sheet-row .sheet-fields {
        flex-direction: column;
        gap: 10px;
    }

    .shinsei-sheet-row .sheet-fields label {
        display: block;
        width: 100%;
        max-width: 100%;
        flex: none;
        min-width: auto;
    }

    /* label 内の select/input も完全全幅 */
    .shinsei-sheet-row .sheet-fields label select,
    .shinsei-sheet-row .sheet-fields label input[type="number"],
    .shinsei-sheet-row .sheet-fields select {
        display: block;
        width: 100%;
        max-width: 100%;
        font-size: 16px;
    }

    /* 計算ボタン */
    #shinsei-calculate {
        width: 100%;
        max-width: 100%;
        font-size: 16px;
        padding: 15px 16px;
    }

    /* テーブル1列 */
    .shinsei-estimate-grid {
        flex-direction: column;
        gap: 10px;
    }

    .shinsei-estimate-table {
        width: 100%;
        max-width: 100%;
    }

    .shinsei-estimate-table thead th {
        font-size: 12px;
        padding: 8px 6px;
    }

    .shinsei-estimate-table tbody td {
        font-size: 13px;
        padding: 8px 6px;
    }

    .shinsei-estimate-table .best-total {
        font-size: 14px;
    }

    .shinsei-estimate-table .discount-price {
        font-size: 14px !important;
    }

    .shinsei-estimate-table .best-unit {
        font-size: 11px;
    }

    /* 割引バナー */
    .shinsei-discount-banner {
        font-size: 13px;
        padding: 9px 12px;
        gap: 6px;
    }

    /* 注文セクション */
    .shinsei-order-section {
        padding: 14px 12px;
        margin-top: 16px;
    }

    .shinsei-qty-chips {
        gap: 6px;
    }

    .shinsei-qty-chip {
        padding: 8px 12px;
        min-width: 70px;
        font-size: 13px;
    }

    .shinsei-qty-chip-num {
        font-size: 14px;
    }

    #shinsei-qty-input {
        width: 80px;
        font-size: 16px;
    }

    #shinsei-add-to-cart {
        font-size: 15px;
        padding: 14px 20px;
    }

    .shinsei-upload-dropzone {
        padding: 18px 12px;
    }

    .shinsei-upload-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .shinsei-upload-progress {
        width: 100%;
    }
}

/* =============================================
 * 超小型スマホ（375px以下）
 * ============================================= */
@media (max-width: 375px) {
    .shinsei-estimate-table thead th,
    .shinsei-estimate-table tbody td {
        padding: 6px 4px;
        font-size: 12px;
    }

    .shinsei-estimate-table .best-total,
    .shinsei-estimate-table .discount-price {
        font-size: 13px !important;
    }

    .shinsei-discount-banner {
        font-size: 12px;
    }
}