/* 恵み野商店会 学割システム — 商店会HPの色味に合わせたテーマ */
:root {
    --sd-bg: #ddf3f1;
    --sd-bg-soft: #eef9f7;
    --sd-text: #4e342e;
    --sd-text-muted: #6b5b54;
    --sd-primary: #b26b5d;
    --sd-primary-dark: #9a584c;
    --sd-accent-green: #8bbf44;
    --sd-peach: #f4a482;
    --sd-card: #ffffff;
    --sd-border: rgba(78, 52, 46, 0.12);
    --sd-shadow: 0 2px 12px rgba(78, 52, 46, 0.08);
}

.student-discount-page {
    font-family: 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background: var(--sd-bg);
    min-height: 100vh;
    padding-bottom: 72px;
    margin: 0;
    color: var(--sd-text);
}

/* ヘッダー（商店会バナー画像） */
.sd-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--sd-bg);
    box-shadow: var(--sd-shadow);
}

.sd-header-banner-link {
    display: block;
    line-height: 0;
    background: var(--sd-bg);
    overflow: hidden;
    padding: 8px 12px 4px;
}

.sd-header-banner {
    display: block;
    width: 100%;
    height: auto;
    max-width: 640px;
    margin: 0 auto;
    /* 低解像度画像を拡大しない（拡大＝ボケの原因） */
    object-fit: contain;
    object-position: center center;
    image-rendering: auto;
}

.sd-header-bar {
    max-width: 640px;
    margin: 0 auto;
    padding: 8px 16px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    border-top: 1px solid var(--sd-border);
    background: var(--sd-bg-soft);
}

.sd-header-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--sd-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: bold;
    letter-spacing: 0.04em;
}

.sd-user-name {
    font-size: 0.85rem;
    color: var(--sd-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 55%;
    text-align: right;
}

.sd-main {
    max-width: 640px;
    margin: 0 auto;
    padding: 16px;
}

.sd-card {
    background: var(--sd-card);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--sd-shadow);
    border: 1px solid var(--sd-border);
}

.sd-card h1,
.sd-card h2 {
    margin: 0 0 12px;
    font-size: 1.25rem;
    color: var(--sd-text);
}

.sd-btn {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    box-sizing: border-box;
    transition: opacity 0.2s ease;
}

.sd-btn:active {
    opacity: 0.85;
}

.sd-btn-primary {
    background: var(--sd-primary);
    color: #fff;
}

.sd-btn-google {
    background: #fff;
    color: var(--sd-text);
    border: 1px solid var(--sd-border);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.sd-btn-danger {
    background: #c45c5c;
    color: #fff;
}

.sd-btn-secondary {
    background: var(--sd-bg-soft);
    color: var(--sd-text);
    border: 1px solid var(--sd-border);
}

.sd-auth-signup-block {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--sd-border);
}

.sd-auth-signup-lead {
    margin: 0 0 12px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--sd-text-muted);
    line-height: 1.5;
}

.sd-btn-signup {
    background: var(--sd-accent-green);
    color: #fff;
    font-size: 1.05rem;
    padding: 16px 16px;
}

.sd-form-group {
    margin-bottom: 16px;
}

.sd-form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--sd-text);
}

.sd-form-group input,
.sd-form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--sd-border);
    border-radius: 10px;
    font-size: 1rem;
    box-sizing: border-box;
    background: #fff;
    color: var(--sd-text);
}

.sd-form-group input:focus,
.sd-form-group select:focus {
    outline: 2px solid rgba(178, 107, 93, 0.35);
    border-color: var(--sd-primary);
}

.sd-help {
    font-size: 0.8rem;
    color: var(--sd-text-muted);
    margin-top: 4px;
}

.sd-alert {
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.sd-alert-info {
    background: #e8f5e9;
    color: #2e5e32;
    border: 1px solid rgba(139, 191, 68, 0.35);
}

.sd-alert-error {
    background: #fdecea;
    color: #8b3a34;
    border: 1px solid rgba(178, 107, 93, 0.35);
}

.sd-alert-success {
    background: #eef9f7;
    color: #2e5e32;
    border: 1px solid rgba(139, 191, 68, 0.4);
}

.sd-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid var(--sd-border);
    display: flex;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(78, 52, 46, 0.06);
}

.sd-nav-item {
    flex: 1;
    text-align: center;
    padding: 12px 4px;
    text-decoration: none;
    color: var(--sd-text-muted);
    font-size: 0.75rem;
    font-weight: bold;
}

.sd-nav-item:active,
.sd-nav-item:hover {
    color: var(--sd-primary);
    background: var(--sd-bg-soft);
}

.sd-store-list-item {
    border-bottom: 1px solid var(--sd-border);
    padding: 14px 0;
}

.sd-store-list-item:last-child {
    border-bottom: none;
}

.sd-store-name {
    font-weight: bold;
    font-size: 1.05rem;
    margin-bottom: 4px;
    color: var(--sd-text);
}

.sd-service-text {
    color: var(--sd-primary);
    font-weight: bold;
    margin: 6px 0;
}

.sd-history-item {
    border-bottom: 1px solid var(--sd-border);
    padding: 12px 0;
    font-size: 0.9rem;
}

.sd-main a:not(.sd-btn):not(.sd-nav-item):not(.sd-header-banner-link) {
    color: var(--sd-primary);
}

#sd-qr-reader {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--sd-border);
}

.sd-use-complete {
    text-align: center;
    padding: 24px 16px;
}

/* 利用完了：店員向け（PayPay風・180度反転） */
body.sd-staff-show-mode {
    overflow: hidden;
    background: #163229;
}

body.sd-staff-show-mode .sd-header,
body.sd-staff-show-mode .sd-bottom-nav {
    display: none !important;
}

body.sd-staff-show-mode .sd-main {
    padding: 0;
    max-width: none;
}

.sd-staff-show-screen {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: linear-gradient(165deg, #1f4d3f 0%, #163229 45%, #0f241e 100%);
}

.sd-staff-show-close {
    position: fixed;
    top: max(12px, env(safe-area-inset-top));
    right: max(12px, env(safe-area-inset-right));
    z-index: 220;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--sd-text);
    font-size: 0.82rem;
    font-weight: bold;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.sd-use-complete-staff {
    width: 100%;
    height: 100%;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(180deg);
    padding: 24px 20px;
    box-sizing: border-box;
}

.sd-use-complete-staff-inner {
    width: 100%;
    max-width: 460px;
    text-align: center;
    color: #fff;
}

.sd-use-complete-badge {
    display: inline-block;
    margin-bottom: 28px;
    padding: 10px 20px;
    border-radius: 999px;
    background: var(--sd-accent-green);
    color: #fff;
    font-size: 1.05rem;
    font-weight: bold;
    letter-spacing: 0.06em;
}

.sd-use-complete-store {
    margin: 0 0 20px;
    font-size: clamp(2.15rem, 9.5vw, 3rem);
    font-weight: bold;
    line-height: 1.25;
    word-break: break-word;
}

.sd-use-complete-service {
    margin: 0 0 24px;
    font-size: clamp(1.8rem, 8vw, 2.55rem);
    font-weight: bold;
    line-height: 1.35;
    color: #ffe8a3;
    word-break: break-word;
}

.sd-use-complete-name {
    margin: 0 0 12px;
    font-size: clamp(1.2rem, 5vw, 1.45rem);
    font-weight: bold;
    opacity: 0.95;
}

.sd-use-complete-school {
    margin: 0 0 22px;
    font-size: clamp(1.05rem, 4.5vw, 1.25rem);
    line-height: 1.45;
    opacity: 0.92;
    word-break: break-word;
}

.sd-use-complete-school-grade {
    font-size: 0.92em;
    opacity: 0.88;
}

.sd-use-complete-shimmer {
    height: 3px;
    max-width: 200px;
    margin: 0 auto 16px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.85), transparent);
    background-size: 200% 100%;
    animation: sdShimmer 2s linear infinite;
    border-radius: 2px;
}

.sd-use-complete-clock {
    margin: 0;
    font-size: 0.88rem;
    font-family: ui-monospace, monospace;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.02em;
}

.sd-use-complete-note {
    margin: 10px 0 0;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.58);
}

.sd-use-complete-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    color: var(--sd-accent-green);
}

.sd-live-clock {
    font-size: 2rem;
    font-weight: bold;
    font-family: monospace;
    color: var(--sd-primary);
    margin: 16px 0;
    animation: sdPulse 1s ease-in-out infinite;
}

.sd-shimmer {
    height: 4px;
    background: linear-gradient(90deg, var(--sd-primary), var(--sd-peach), var(--sd-primary));
    background-size: 200% 100%;
    animation: sdShimmer 2s linear infinite;
    border-radius: 2px;
    margin: 16px 0;
}

@keyframes sdPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes sdShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.sd-qr-print-box {
    text-align: center;
    padding: 20px;
    border: 2px dashed var(--sd-border);
    border-radius: 12px;
    margin-top: 16px;
    background: var(--sd-bg-soft);
}

.sd-qr-print-box img {
    max-width: 240px;
    height: auto;
}

/* スマホ：拡大せず横幅に合わせる（元画像 1024x59 のため縦は小さめ） */
@media (max-width: 480px) {
    .sd-header-banner-link {
        padding: 10px 8px 6px;
    }

    .sd-header-bar {
        padding: 6px 12px 8px;
    }

    .sd-main {
        padding: 12px;
    }

    .sd-card {
        padding: 16px;
        border-radius: 12px;
    }
}

@media (min-width: 481px) {
    .sd-header-banner-link {
        padding: 12px 16px 8px;
    }
}

@media print {
    .admin-sidebar, .admin-header, .page-header, .sd-bottom-nav, .no-print,
    .form-actions, .admin-main > .form-section:not(.sd-qr-dual-section) {
        display: none !important;
    }
    .sd-qr-dual-section {
        border: none;
        box-shadow: none;
    }
}

/* 学割QR 印刷用（body 直下ホスト） */
@media print {
    #sd_discount_qr_print_host {
        display: block !important;
        position: static !important;
        width: auto !important;
        height: auto !important;
        overflow: visible !important;
        left: auto !important;
    }

    .sd-discount-qr-print-sheet {
        box-sizing: border-box;
        width: 100%;
        max-width: 180mm;
        margin: 0 auto;
        padding: 12mm 10mm;
        text-align: center;
        font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
        color: #333;
    }

    .sd-discount-qr-print-label {
        margin: 0 0 8mm;
        font-size: 14pt;
        font-weight: bold;
        letter-spacing: 0.08em;
    }

    .sd-discount-qr-print-store {
        margin: 0 0 6mm;
        font-size: 22pt;
        line-height: 1.3;
    }

    .sd-discount-qr-print-service {
        margin: 0 0 8mm;
        font-size: 13pt;
        font-weight: bold;
        color: #b26b5d;
        white-space: pre-wrap;
    }

    .sd-discount-qr-print-image {
        display: block;
        width: 70mm;
        height: 70mm;
        margin: 0 auto 8mm;
    }

    .sd-discount-qr-print-note {
        margin: 0;
        font-size: 11pt;
        line-height: 1.6;
        color: #555;
    }
}

/* 利用条件・サジェスト */
.sd-notice-box {
    background: var(--sd-bg-soft);
    border: 1px solid var(--sd-border);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
    font-size: 0.88rem;
    line-height: 1.65;
}

.sd-notice-title {
    margin: 0 0 10px;
    font-size: 1rem;
    color: var(--sd-text);
}

.sd-notice-list {
    margin: 0 0 12px;
    padding-left: 1.2em;
}

.sd-notice-list ul {
    margin: 6px 0 0;
    padding-left: 1.2em;
}

.sd-notice-summary {
    margin: 0 0 10px;
    line-height: 1.65;
    font-size: 0.9rem;
}

.sd-notice-box .sd-notice-emphasis {
    margin: 12px 0 10px;
    padding: 12px 14px;
    font-size: 0.98rem;
    line-height: 1.65;
    font-weight: bold;
    color: var(--sd-primary-dark);
    background: #fff;
    border: 1px solid rgba(178, 107, 93, 0.35);
    border-radius: 10px;
}

.sd-grade-hint {
    color: var(--sd-primary);
    font-weight: bold;
}

.sd-suggest-wrap {
    position: relative;
}

.sd-suggest-list {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 50;
    max-height: 240px;
    overflow-y: auto;
    background: #fff;
    border: 1px solid var(--sd-border);
    border-radius: 10px;
    box-shadow: var(--sd-shadow);
    margin-top: 4px;
}

.sd-suggest-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 12px;
    border: none;
    border-bottom: 1px solid var(--sd-border);
    background: #fff;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--sd-text);
}

.sd-suggest-item:last-child {
    border-bottom: none;
}

.sd-suggest-item.is-active,
.sd-suggest-item:hover {
    background: var(--sd-bg-soft);
}

.sd-suggest-name {
    display: block;
    font-weight: bold;
}

.sd-suggest-meta {
    display: block;
    font-size: 0.78rem;
    color: var(--sd-text-muted);
    margin-top: 2px;
}

.sd-suggest-empty {
    padding: 12px;
    font-size: 0.85rem;
    color: var(--sd-text-muted);
}

.sd-student-info {
    background: var(--sd-bg-soft);
    border-radius: 10px;
    padding: 12px;
    margin: 12px 0;
    font-size: 0.9rem;
}

.sd-student-info p {
    margin: 4px 0;
}

/* 生年月日（年・月・日セレクト） */
.sd-birth-picker-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.sd-birth-picker-field {
    flex: 1;
    min-width: 0;
}

.sd-birth-picker-label {
    display: block;
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--sd-text-muted);
    margin-bottom: 4px;
}

.sd-birth-select {
    width: 100%;
    padding: 12px 10px;
    border: 1px solid var(--sd-border);
    border-radius: 10px;
    font-size: 1rem;
    box-sizing: border-box;
    background: #fff;
    color: var(--sd-text);
    appearance: auto;
}

.sd-birth-select:focus {
    outline: 2px solid rgba(178, 107, 93, 0.35);
    border-color: var(--sd-primary);
}

@media (max-width: 480px) {
    .sd-birth-picker-row {
        gap: 8px;
    }

    .sd-birth-select {
        padding: 12px 8px;
        font-size: 0.95rem;
    }
}

/* プロフィール保存：学生証確認モーダル */
.sd-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.sd-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(78, 52, 46, 0.45);
}

.sd-modal-dialog {
    position: relative;
    z-index: 1;
    width: calc(100% - 32px);
    max-width: 420px;
    margin: 15vh auto 0;
    padding: 24px 20px;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--sd-shadow);
    border: 1px solid var(--sd-border);
}

.sd-modal-title {
    margin: 0 0 12px;
    font-size: 1.15rem;
    color: var(--sd-text);
}

.sd-modal-text {
    margin: 0 0 16px;
    line-height: 1.65;
    font-size: 0.95rem;
    color: var(--sd-text);
}

.sd-modal-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 0.95rem;
    font-weight: bold;
    cursor: pointer;
}

.sd-modal-check input {
    margin-top: 3px;
    flex-shrink: 0;
}

.sd-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sd-form-group input[readonly],
.sd-form-group input[disabled] {
    background: var(--sd-bg-soft);
    color: var(--sd-text-muted);
    cursor: not-allowed;
}

.sd-btn-staff-show {
    font-size: 1.1rem;
    padding: 14px 20px;
    width: 100%;
    max-width: 320px;
}

.sd-use-confirm-card {
    text-align: center;
}

/* 管理画面：学割QR 2種 */
.sd-qr-dual-section .sd-qr-block {
    margin-top: 18px;
    padding: 16px;
    border-radius: 10px;
    border: 1px solid var(--sd-border, #e5e7eb);
    background: #fafafa;
}

.sd-qr-dual-section .sd-qr-block--store {
    border-left: 4px solid #b26b5d;
}

.sd-qr-dual-section .sd-qr-block--distribution {
    border-left: 4px solid #0d9488;
}

.sd-qr-dual-section .sd-qr-block h3 {
    font-size: 16px;
    margin: 0 0 10px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.sd-qr-block__img {
    display: block;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
}