/* ===== Base ===== */
:root {
    --bg: #f6f7fb;
    /* 背景 */
    --panel: #ffffff;
    --text: #0f172a;
    /* 墨色 */
    --muted: #64748b;
    /* 霞スレート */
    --primary: #EAB308;
    /* 朧の月（アンバー） */
    --primary-contrast: #111;
    --border: #e5e7eb;
    --shadow: 0 6px 16px rgba(0, 0, 0, .06);
    --radius: 14px;
    --radius-sm: 10px;
    --header-h: 56px;
}

.hamburger {
    display: none;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    align-items: center;
    justify-content: center;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 3px 0;
    transition: transform .2s, opacity .2s;
}

/* 開いたときの“×”アニメ */
body.nav-open .hamburger span:nth-child(1) {
    transform: translateY(5px) rotate(45deg);
}

body.nav-open .hamburger span:nth-child(2) {
    opacity: 0;
}

body.nav-open .hamburger span:nth-child(3) {
    transform: translateY(-5px) rotate(-45deg);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0 5px;
    padding: 0;
    overflow-x: hidden;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

img {
    display: block;
}

/* ===== Layout ===== */
.container {
    max-width: 1100px;
    margin: 40px auto;
    padding: 0 16px;
}

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    padding: 10px 0;
}

.mt-16 {
    margin-top: 16px;
}

.mt-24 {
    margin-top: 24px;
}

.text-center {
    text-align: center;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.brand-mark {
    width: 28px;
    height: 28px;
    display: block;
}

.brand-text {
    font-weight: 800;
    letter-spacing: .05em;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .04);
}

.site-header .inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
}

.brand {
    font-weight: 800;
    letter-spacing: .2px;
}

.nav {
    display: flex;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: var(--text);
    padding: 6px 10px;
    border-radius: 8px;
}

.nav a:hover {
    background: #f3f4f6;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-size: 12px;
    border-radius: 999px;
    background: var(--primary);
    color: var(--primary-contrast);
}

/* ===== Product grid (index.php) ===== */
.product-list {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.product {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    padding: 12px;
    text-align: center;
    transition: transform .15s ease, box-shadow .15s ease;
}

.product:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, .08);
}

.product img {
    width: 100%;
    height: 160px;
    object-fit: contain;
    border-radius: 10px;
    margin-bottom: 10px;
}

.product h2 {
    font-size: 16px;
    margin: 8px 0 4px;
}

.price {
    font-weight: 700;
}

.desc {
    color: var(--muted);
    font-size: 14px;
}


/* ===== Product detail (detail.php) ===== */
.product-detail {
    padding: 18px;
    text-align: center;
}

.product-detail img {
    width: 100%;
    height: 200px;
    object-fit: contain;
}

.product-detail .grid {
    display: grid;
    gap: 20px;
    grid-template-columns: 1fr;
}

.orders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
    align-items: stretch;
}

.order-card {
    text-align: center;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-width: 300px;
    padding: 10px 0;
}

.item img {
    width: 100%;
    height: 200px;
    object-fit: contain;
}

.wrap {
    max-width: 1000px;
    margin: 40px auto;
    padding: 16px;
    background: var(--panel);
    border: 1px solid #e5e7eb;
    border-radius: 12px;
}

.top {
    display: flex;
    justify-content: center;
    gap: 12px;
    align-items: center;
}

.tablep {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tablep form {
    text-align: center;
}

.tablep img {
    margin: 0 auto;
}

.tablep table {
    min-width: unset;
    max-width: 100%;
    margin: 0 auto;
}

.tablep td {
    text-align: center;
}

.tablep td:nth-child(2) img {
    display: block;
    margin: 0 auto;
    transition: transform .15s ease;
}

.tablep td:nth-child(2) img:hover {
    transform: scale(1.6);
    box-shadow: 0 4px 16px rgba(0, 0, 0, .15);
}

/* ===== Footer ===== */
.site-footer {
    margin-top: 40px;
    background: var(--panel);
    border-top: 1px solid var(--border);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, .03);
}

.site-footer .inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 18px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}

.f-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.f-mark {
    width: 28px;
    height: 28px;
    display: block;
}

.f-name {
    font-weight: 800;
    letter-spacing: .04em;
}

.tagline {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.f-nav {
    display: flex;
    gap: 14px;
}

.f-nav a {
    color: var(--text);
    text-decoration: none;
    padding: 6px 8px;
    border-radius: 8px;
}

.f-nav a:hover {
    background: #f3f4f6;
}

.legal {
    text-align: center;
    color: var(--muted);
    font-size: 12px;
    padding: 6px 16px 18px;
}

.page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.page-main {
    flex: 1;
}


/* ===== Auth pages (login/register) ===== */
.auth-wrap {
    flex: 1;
    /* .page-main が flex:1 ならそのままOK */
    display: flex;
    align-items: center;
    /* 垂直中央（ページが高い時） */
    justify-content: center;
    /* 水平中央 */
    padding: 32px 16px;
    /* 画面が低い時の余白 */
}

.auth-card {
    width: 100%;
    max-width: 480px;
    /* 好みで 420〜560px 程度 */
    padding: 20px;
    border-radius: var(--radius);
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.auth-card form .row {
    display: grid;
    grid-template-columns: 88px 1fr;
    /* ラベルと入力を横並び */
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

img,
video {
    max-width: 100%;
    height: auto;
}

@media (max-width:700px) {
    .product-detail .grid {
        grid-template-columns: 1.1fr .9fr;
    }

    .auth-card form .row {
        grid-template-columns: 1fr;
        /* スマホは縦並び */
    }

    .orders-table {
        border: 0;
        min-width: unset;
        width: 100%;
    }

    .orders-table thead {
        display: none;
    }

    .orders-table tbody tr {
        display: block;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: var(--panel);
        box-shadow: var(--shadow);
        margin: 10px 0;
        overflow: hidden;
    }

    .orders-table tbody td {
        display: grid;
        grid-template-columns: 110px 1fr;
        gap: 8px;
        padding: 10px 12px;
        text-align: left !important;
        border-bottom: 1px solid var(--border);
        overflow-wrap: anywhere;
        word-break: break-word;
    }

    .orders-table tbody td[data-label="メール"] {
        word-break: break-all;
    }

    .orders-table tbody td:last-child {
        border-bottom: 0;
    }

    .orders-table tbody td::before {
        content: attr(data-label);
        color: var(--muted);
        font-weight: 600;
    }

    .orders-table tbody td[data-label="操作"] {
        grid-template-columns: 110px 1fr 1fr;
        gap: 8px;
    }

    .orders-table tbody td[data-label="操作"] a:nth-of-type(1) {
        grid-column: 2;
    }

    .orders-table tbody td[data-label="操作"] a:nth-of-type(2) {
        grid-column: 3;
    }

    .orders-table tbody td[data-label="操作"] .btn {
        width: 100%;
        justify-content: center;
    }

    .filter {
        display: grid;
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .filter .row input,
    .filter .row select {
        width: 100%;
    }

    .filter .btn {
        width: 100%;
    }

    .filter a.btn {
        width: 100%;
        text-align: center;
    }
}

.product-detail .photo {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-detail .photo img {
    width: 100%;
    height: 360px;
    object-fit: contain;
}

.product-detail h1 {
    margin: 0 0 6px;
}

.stock-badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    background: #eef2ff;
    color: #3730a3;
}

/* ===== Header / Nav ===== */
.site-header .inner {
    gap: 8px;
}

.nav {
    gap: 8px;
}

/* ===== Cart (cart.php) ===== */
.cart-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.cart-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 14px;
    align-items: center;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
    box-shadow: var(--shadow);
}

.cart-item img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 10px;
}

.cart-item h2 {
    margin: 0 0 4px;
    font-size: 18px;
}

.cart-meta {
    color: var(--muted);
    font-size: 14px;
}

.cart-summary {
    margin-top: 14px;
    text-align: right;
    font-weight: 800;
    font-size: 18px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    cursor: pointer;
    text-decoration: none;
    white-space: normal;
}

.btn:hover {
    background: #f9fafb;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--primary-contrast);
}

.btn-primary:hover {
    filter: brightness(1.05);
}

.btn-danger {
    background: var(--danger);
    border-color: var(--danger);
    color: #fff;
}

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

/* ===== Forms ===== */
form .row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin: 8px 0;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
select,
textarea {
    width: 100%;
    max-width: 420px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
}

label {
    font-weight: 600;
    margin-right: 6px;
}

/* ===== Tables (admin) ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th,
.table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}

.table thead th {
    background: #f9fafb;
    font-weight: 700;
}

/* ===== Messages ===== */
.flash {
    padding: 10px 12px;
    border-radius: 10px;
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.error {
    padding: 10px 12px;
    border-radius: 10px;
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ===== Helpers ===== */
.grid-gap-12 {
    display: grid;
    gap: 12px;
}

@media (max-width: 840px) {
    .hamburger {
        display: inline-flex;
    }

    /* 既存の .nav をそのままスライドメニューにする */
    .nav {
        position: fixed;
        top: var(--header-h, 56px);
        right: 0;
        width: min(360px, 86vw);
        height: calc(100vh - var(--header-h, 56px));
        background: var(--panel);
        border-left: 1px solid var(--border);
        box-shadow: -12px 0 24px rgba(0, 0, 0, .08);
        padding: 14px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        transform: translateX(100%);
        transition: transform .2s ease;
        z-index: 30;
    }

    body.nav-open .nav {
        transform: translateX(0);
    }

    /* タップしやすいように */
    .nav a {
        display: block;
        padding: 12px;
        border-radius: 10px;
    }

    .nav a:hover {
        background: #f3f4f6;
    }

    /* 背景の半透明オーバーレイ */
    .nav-backdrop {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .35);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
        z-index: 25;
    }

    body.nav-open .nav-backdrop {
        opacity: 1;
        pointer-events: auto;
    }

    /* メニュー開いたら背面スクロールを止める */
    body.nav-open {
        overflow: hidden;
    }
}

/* PC幅ではオーバーレイは不要 */
@media (min-width: 841px) {
    .nav-backdrop {
        display: none !important;
    }
}