.hint {
    color: var(--muted);
    font-size: 12px;
}

.hint-red {
    color: red;
    font-size: 14px;
    font-weight: bold;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 16px;
}

@media (max-width: 920px) {
    .grid-2 {
        grid-template-columns: 1fr;
    }
}

.helpbox {
    padding-left: 14px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.helpbox__title {
    font-weight: 800;
}

.helpitem {
    display: flex;
    gap: 14px;
}

.helpthumb {
    width: 100px;
    border: 1px solid var(--border);
    border-radius: 8px;
    object-fit: cover;
}

.opts {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.opt {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    font-size: 13px;
    line-height: 1.9;
}

.opt input {
    transform: scale(1.3);
}

.pickgrid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.pick {
    position: relative;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    background: #fff;
    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}

.pick.is-active {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 179, 227, 0.16);
}

.js-power-dependent {
    display: none;
}

.opt {
    font-size: 15px;
    line-height: 2;
}

.helpbox strong,
.helpbox div[style*="font-weight"] {
    font-size: 15px;
}

.helpbox .link {
    font-size: 14px;
}

.btn-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    margin-top: 6px;
    font-size: 13px;
    line-height: 1.4;
    color: #374151;
    background: transparent;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    cursor: pointer;
    transition:
        background-color 0.15s ease,
        border-color 0.15s ease;
}

.btn-preview:hover {
    background-color: #f9fafb;
    border-color: #9ca3af;
}

.btn-preview:focus-visible {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 2px rgba(0, 179, 227, 0.25);
}

@media (max-width: 640px) {
    .btn-preview {
        font-size: 14px;
        padding: 8px 14px;
    }
}

.js-water-detail {
    display: none;
    margin-top: 16px;
}

.dim-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.dim-grid--single {
    grid-template-columns: minmax(0, 1fr);
    grid-column: span 1;
    max-width: 100%;
}

@media (max-width: 1024px) {
    .dim-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .dim-grid--single {
        max-width: 50%;
    }
}

@media (max-width: 640px) {
    .dim-grid {
        grid-template-columns: 1fr;
    }

    .dim-grid--single {
        max-width: 100%;
    }
}

.section-subtitle {
    font-size: 18px;
    font-weight: 800;
    color: #111;
}

.pickgrid--drain {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pick--drain {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 16px;
}

.pick--drain .pick__img {
    flex: 0 0 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pick--drain .pick__img img {
    max-width: 100%;
    max-height: 120px;
    object-fit: contain;
}

.pick--drain .pick__body {
    flex: 1;
}

.pick--drain .pick__title {
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 4px;
}

.pick--drain .pick__desc {
    font-size: 14px;
    color: var(--muted);
    margin-bottom: 8px;
}

.pick--drain.is-active {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 179, 227, 0.16);
}

.pickgrid--3col {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

@media (max-width: 1024px) {
    .pickgrid--3col {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .pickgrid--3col {
        grid-template-columns: 1fr;
    }
}

.pick.is-active,
.pick:has(input[type="radio"]:checked) {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(0, 179, 227, 0.18);
}

.pick__img {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border-radius: 12px;
    overflow: hidden;
}

.pick__img img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
}

.pick__body {
    text-align: center;
}

.pick__title {
    font-weight: 700;
    text-align: center;
}

.pick__desc {
    text-align: center;
}

.pick input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pick:focus-within {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 179, 227, 0.25);
}

.pick__img {
    background: #f9fafb;
}

/* stack 微調整 */
.stack--tight {
    gap: 16px;
}

/* field 見出し */
.field__title {
    font-size: 16px;
    font-weight: 800;
    color: #111;
    margin-bottom: 6px;
}

/* ==========================
   電源：初期状態
========================== */

/* 電源コンセント全体：初期は非表示 */
#sec-power .js-power-dependent {
    display: none;
}

/* 中身はデフォルト非表示 */
#sec-power .js-power-normal,
#sec-power .js-power-cold,
#sec-power .js-hint-normal,
#sec-power .js-hint-cold {
    display: none;
}

/* ==========================
   電源：状態別表示
========================== */

/* 地域が選ばれたら親を表示 */
#sec-power.is-area-normal .js-power-dependent,
#sec-power.is-area-cold .js-power-dependent {
    display: block;
}

/* 寒冷地以外 */
#sec-power.is-area-normal .js-power-normal {
    display: flex;
}
#sec-power.is-area-normal .js-hint-normal {
    display: block;
}

/* 寒冷地 */
#sec-power.is-area-cold .js-power-cold {
    display: flex;
}
#sec-power.is-area-cold .js-hint-cold {
    display: block;
}

/* ==========================
   給水：詳細表示
========================== */
.stack--tight {
    gap: 20px;
}

.opts--horizontal {
    flex-wrap: wrap;
    gap: 20px;
}

#sec-water .js-water-detail {
    display: none;
}

#sec-water.is-water-selected .js-water-detail {
    display: grid;
    align-items: start;
}

.helpbox--water {
    display: flex;
    align-items: flex-start;
}

.water-image {
    max-width: 250px;
}

.water-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
}

/* ==========================
   ドア：詳細表示
========================== */
#sec-door .js-door-detail {
    display: none;
}

#sec-door.is-door-selected .js-door-detail {
    display: grid;
    align-items: start;
}

#sec-door .js-door-height {
    display: none;
}

#sec-door.is-door-front .js-door-height {
    display: block;
}

.helpbox--door {
    display: flex;
    align-items: flex-start;
}

.helpbox--door .water-image {
    max-width: 250px;
}

.helpbox--door img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* ==========================
   寸法：詳細表示
========================== */
.helpbox--dimension {
    display: flex;
    align-items: flex-start;
}

.helpbox--dimension .water-image {
    max-width: 300px;
}

.helpbox--dimension img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

#sec-dimension .js-dimension-tank {
    grid-column: 1 / 2;
    display: none;
}

#sec-dimension.is-tank .js-dimension-tank {
    display: block;
}

#sec-dimension .js-dimension-tank .water-image {
    max-width: 100%;
}

#sec-dimension .js-dimension-tank img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.dimension-alerts {
    border: 1px solid #fecaca;
    background: #fff1f2;
    color: #991b1b;
    border-radius: 10px;
    padding: 12px 14px;
    display: grid;
    gap: 8px;
}
.dimension-alert {
    font-weight: 800;
    font-size: 14px;
    line-height: 1.5;
}

/* =================================
   grid-2（画像付きセクション）共通拡張
================================= */
.grid-2--visual {
    grid-template-columns: 1fr 480px;
    align-items: start;
}

@media (max-width: 920px) {
    .grid-2--visual {
        grid-template-columns: 1fr;
    }
}

.grid-2--visual .helpbox {
    padding-left: 16px;
    justify-content: flex-start;
}

.grid-2--visual .helpitem {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

.grid-2--visual .helpmedia,
.grid-2--visual .water-image {
    width: 100%;
}

.grid-2--visual img {
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: 10px;
    object-fit: contain;
    display: block;
}

.grid-2--visual .helpbox__title {
    font-size: 16px;
    font-weight: 800;
}

.grid-2--visual .hint,
.grid-2--visual .helpbox {
    font-size: 15px;
    line-height: 1.8;
}

/* =================================
   設備：シリーズの無効化 表現
================================= */
#sec-equipment .pick.is-disabled {
    opacity: 0.45;
    filter: grayscale(1);
    cursor: not-allowed;
}

#sec-equipment .pick.is-disabled .pick__img {
    background: #f3f4f6;
}

#sec-equipment .pick.is-disabled * {
    pointer-events: none;
}

/* =================================
   シリーズ詳細（スペック/定価）
================================= */
.series-detail {
    margin-top: 14px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #f8fafc;
    display: grid;
    gap: 10px;
}

.series-detail__title {
    font-weight: 900;
    font-size: 16px;
    color: #111;
}

.series-detail__spec {
    font-size: 14px;
    color: #374151;
    line-height: 1.7;
}

.series-detail__price {
    font-size: 15px;
    font-weight: 900;
    color: #111;
}

/* ==========================
   壁紙品番：商品説明エリア
========================== */
.wallpaper-detail {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 24px;
    align-items: center;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    margin-top: 12px;
}

/* 画像ラッパー */
.wallpaper-detail__media {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 商品説明用画像を大きく */
.wallpaper-detail__media img {
    width: 100%;
    max-width: 350px;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #fafafa;
}

/* テキスト側 */
.wallpaper-detail__content {
    font-size: 16px;
    line-height: 1.7;
}

/* タイトル */
.wallpaper-detail__title {
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 6px;
    color: #111;
}

/* 価格 */
.wallpaper-detail__price {
    font-size: 16px;
    color: #111;
}

@media (max-width: 640px) {
    .wallpaper-detail {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .wallpaper-detail__media img {
        max-width: 100%;
    }
}

/* ===== Header Layout ===== */
.page-title-header {
    position: relative;
    display: flex;
    align-items: center;
}

.page-title-left {
    flex: 1;
    min-width: 0;
}

.page-title-controls {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 24px;
}

.page-area-right .btn-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-size: 14px;
    border-radius: 8px;
}

/* ===== Responsive (SP) ===== */
@media (max-width: 768px) {
    .page-title-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .page-title-controls {
        position: static;
        left: auto;
        top: auto;
        transform: none;

        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .page-area-center {
        align-items: flex-start;
    }

    .page-area-right {
        width: 100%;
    }

    .page-area-right .btn-preview {
        width: 100%;
    }
}

/* ===== Modal ===== */
.modal {
    display: none;
}
.modal.is-open {
    display: block;
}

.modal__backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.modal__panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: min(640px, calc(100% - 32px));
    max-height: calc(100% - 32px);
    overflow: auto;
    background: #fff;
    border-radius: 12px;
    z-index: 1001;
    padding: 16px;
}

.modal__footer {
    margin-top: 16px;
    display: flex;
    justify-content: flex-end;
}
.series-spec {
    margin: 0;
    padding-left: 1.2em;
    line-height: 1.6;
}

.series-spec li {
    margin-bottom: 4px;
}

.js-handwash.is-disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ==========================
   店舗コード
========================== */
#measure-form-shell.is-locked {
    visibility: hidden;
    pointer-events: none;
    user-select: none;
    height: 0;
    overflow: hidden;
}

.store-code-modal.is-open {
    display: block;
}

.store-code-modal__backdrop {
    background: rgba(0, 0, 0, 0.56);
}

.store-code-modal__panel {
    width: min(520px, calc(100% - 32px));
    padding: 24px;
}

.store-code-modal__header {
    margin-bottom: 16px;
}

.store-code-modal__title {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 800;
    color: #111;
}

.store-code-modal__desc {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
    font-size: 14px;
}

.store-code-modal__body {
    display: grid;
    gap: 8px;
}

.store-code-modal__input {
    width: 100%;
    font-size: 18px;
    letter-spacing: 0.08em;
}

.store-code-modal__error {
    margin: 0;
}