@charset "utf-8";

/* =========================================================
   IASO PRODUCT | PC first
   PC design target: 1181px+
   Below 1181px is a temporary safety fallback only.
========================================================= */

.ProductPage {
    --product-navy: #183247;
    --product-blue: #6e9db8;
    --product-blue-pale: #edf6f9;
    --product-ivory: #faf9f6;
    --product-text: #334652;
    --product-muted: #6f808a;
    --product-line: rgba(24, 50, 71, .13);
    --product-white: #fff;
    background: var(--product-white);
    color: var(--product-text);
    overflow: hidden;
}

.ProductPage *,
.ProductPage *::before,
.ProductPage *::after {
    box-sizing: border-box;
}

.ProductInner {
    width: min(1120px, calc(100% - 96px));
    margin: 0 auto;
}

.ProductEyebrow {
    margin: 0 0 20px;
    color: var(--product-blue);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .22em;
    line-height: 1.4;
}

.ProductSectionTitle {
    margin: 0;
    color: var(--product-navy);
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 38px;
    font-weight: 500;
    letter-spacing: .04em;
    line-height: 1.65;
}

.ProductText {
    margin: 0 0 22px;
    color: var(--product-text);
    font-size: 15px;
    line-height: 2.15;
}

.ProductText--lead {
    color: var(--product-navy);
    font-size: 18px;
    line-height: 2.05;
}

.ProductNote {
    margin: 34px 0 0;
    padding-top: 20px;
    border-top: 1px solid var(--product-line);
    color: var(--product-muted);
    font-size: 12px;
    line-height: 1.9;
}

/* HERO */
.ProductHero {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    isolation: isolate;
    background:
        radial-gradient(circle at 79% 28%, rgba(168, 207, 225, .28), transparent 31%),
        radial-gradient(circle at 70% 78%, rgba(234, 244, 248, .72), transparent 36%),
        linear-gradient(118deg, #fbfaf7 0%, #f8fafb 50%, #edf5f8 100%);
}

.ProductHero::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(24, 50, 71, .12), transparent);
}

.ProductHero__decor {
    position: absolute;
    z-index: -1;
    border: 1px solid rgba(110, 157, 184, .18);
    border-radius: 50%;
    pointer-events: none;
}

.ProductHero__decor--one {
    width: 390px;
    height: 390px;
    right: 6vw;
    top: 94px;
}

.ProductHero__decor--two {
    width: 210px;
    height: 210px;
    right: 23vw;
    bottom: 64px;
}

.ProductHero__inner {
    padding: 118px 0 106px;
}

.ProductHero__title {
    max-width: 760px;
    margin: 0;
    color: var(--product-navy);
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 45px;
    font-weight: 500;
    letter-spacing: .04em;
    line-height: 1.5;
}

.ProductHero__lead {
    max-width: 780px;
    margin: 32px 0 0;
    color: var(--product-navy);
    font-size: 19px;
    font-weight: 500;
    letter-spacing: .035em;
    line-height: 2;
}

.ProductHero__text {
    max-width: 720px;
    margin: 20px 0 0;
    color: #536773;
    font-size: 15px;
    line-height: 2.15;
}

/* INTRO */
.ProductIntro {
    padding: 126px 0 118px;
}

.ProductIntro__grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 110px;
    align-items: start;
}

.ProductIntro__head {
    position: sticky;
    top: 126px;
}

/* CATEGORY NAV */
.ProductCategoryNav {
    border-top: 1px solid var(--product-line);
    border-bottom: 1px solid var(--product-line);
    background: #fff;
}

.ProductCategoryNav__inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ProductCategoryNav a {
    display: flex;
    min-height: 116px;
    flex-direction: column;
    justify-content: center;
    padding: 22px 26px;
    color: var(--product-navy);
    text-decoration: none;
    transition: background-color .28s ease, color .28s ease, box-shadow .28s ease;
}

.ProductCategoryNav a + a {
    border-left: 1px solid var(--product-line);
}

.ProductCategoryNav a span {
    margin-bottom: 8px;
    color: var(--product-blue);
    font-size: 8px;
    font-weight: 600;
    letter-spacing: .15em;
    line-height: 1.5;
    transition: color .28s ease;
}

.ProductCategoryNav a strong {
    color: var(--product-navy);
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: .02em;
    line-height: 1.6;
}

@media (hover: hover) and (pointer: fine) {
    .ProductCategoryNav a:hover {
        background-color: rgba(110, 157, 184, .075);
        color: inherit;
        box-shadow: inset 0 -2px 0 rgba(110, 157, 184, .34);
    }

    .ProductCategoryNav a:hover span {
        color: #5f91ad;
    }
}

.ProductCategoryNav a:focus-visible {
    outline: 1px solid rgba(110, 157, 184, .72);
    outline-offset: -4px;
    background-color: rgba(110, 157, 184, .055);
}

/* CATEGORY */
.ProductCategorySection {
    scroll-margin-top: 100px;
    padding: 126px 0 132px;
    background: #fff;
}

.ProductCategorySection--ivory {
    background: var(--product-ivory);
}

.ProductCategoryHead {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 480px);
    gap: 80px;
    align-items: end;
    margin-bottom: 66px;
}

.ProductCategoryHead__description {
    margin: 0;
    color: var(--product-muted);
    font-size: 14px;
    line-height: 2.05;
}

.ProductGrid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 66px 34px;
}

.ProductCategorySection[data-category="hydrogen-system"] .ProductGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 72px 48px;
}

/* PRODUCT CARD */
.ProductCard {
    min-width: 0;
}

.ProductCard__visual {
    position: relative;
    aspect-ratio: 4 / 4.35;
    overflow: hidden;
    background: #f4f6f6;
}

.ProductCategorySection[data-category="hydrogen-system"] .ProductCard__visual {
    aspect-ratio: 16 / 12.5;
}

.ProductCard__visual img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 24px;
    transition: transform .5s ease;
}

.ProductCard:hover .ProductCard__visual img {
    transform: scale(1.018);
}


.ProductCard__gallery {
    min-width: 0;
}

.ProductCard__thumbs {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    overflow-x: auto;
    padding: 1px 1px 3px;
    scrollbar-width: thin;
}

.ProductCard__thumb {
    flex: 0 0 62px;
    width: 62px;
    height: 62px;
    padding: 4px;
    border: 1px solid rgba(24, 50, 71, .12);
    background: #fff;
    cursor: pointer;
    transition: border-color .2s ease, box-shadow .2s ease;
}

.ProductCard__thumb:hover,
.ProductCard__thumb.is-active {
    border-color: rgba(110, 157, 184, .72);
    box-shadow: 0 0 0 1px rgba(110, 157, 184, .12);
}

.ProductCard__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 0;
    transform: none;
}

.ProductCard__placeholder {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    background:
        linear-gradient(145deg, rgba(255,255,255,.86), rgba(229,240,245,.82)),
        #eef4f7;
}

.ProductCard__placeholder span {
    color: #91acbb;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 13px;
    letter-spacing: .18em;
}

.ProductCard__badges {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ProductCard__badges span {
    padding: 7px 9px 6px;
    background: rgba(24, 50, 71, .91);
    color: #fff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .1em;
    line-height: 1;
}

.ProductCard__body {
    padding: 25px 2px 0;
}

.ProductCard__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 19px;
    color: var(--product-blue);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .15em;
    line-height: 1.5;
}

.ProductCard__status {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 5px 9px 4px;
    border: 1px solid rgba(110, 157, 184, .20);
    border-radius: 999px;
    background: #f1f7f9;
    color: #51768a;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .05em;
    line-height: 1.3;
    white-space: nowrap;
}

.ProductCard__status--on_sale {
    border-color: rgba(92, 139, 119, .20);
    background: #f0f7f3;
    color: #557968;
}

.ProductCard__status--waiting {
    border-color: rgba(177, 142, 75, .22);
    background: #faf6ed;
    color: #8b6d35;
}

.ProductCard__status--sold_out {
    border-color: rgba(148, 105, 100, .20);
    background: #faf2f1;
    color: #8b625e;
}

.ProductCard__status--store_only {
    border-color: rgba(110, 157, 184, .24);
    background: #edf6f9;
    color: #4f788e;
}

.ProductCard__status--consultation {
    border-color: rgba(24, 50, 71, .20);
    background: #eef2f4;
    color: var(--product-navy);
}

.ProductCard__status--discontinued {
    border-color: rgba(111, 128, 138, .18);
    background: #f1f2f2;
    color: #747d82;
}

.ProductCard__nameEn {
    margin: 0 0 7px;
    color: #8297a3;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 11px;
    letter-spacing: .08em;
    line-height: 1.55;
}

.ProductCard__name {
    margin: 0;
    color: var(--product-navy);
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 22px;
    font-weight: 500;
    letter-spacing: .025em;
    line-height: 1.65;
}

.ProductCategorySection[data-category="hydrogen-system"] .ProductCard__name {
    font-size: 28px;
}

.ProductCard__summary {
    margin: 17px 0 0;
    color: #536671;
    font-size: 14px;
    line-height: 2;
}

.ProductCard__price {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin-top: 22px;
    padding-top: 19px;
    border-top: 1px solid var(--product-line);
}

.ProductCard__price strong {
    color: var(--product-navy);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 18px;
    font-weight: 400;
    letter-spacing: .03em;
}

.ProductCard__price small {
    color: var(--product-muted);
    font-size: 11px;
    line-height: 1.6;
}

.ProductCardDetail {
    margin-top: 22px;
    border-top: 1px solid var(--product-line);
    border-bottom: 1px solid var(--product-line);
}

.ProductCardDetail summary {
    position: relative;
    padding: 17px 34px 17px 0;
    color: var(--product-navy);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    line-height: 1.7;
    cursor: pointer;
    list-style: none;
}

.ProductCardDetail summary::-webkit-details-marker {
    display: none;
}

.ProductCardDetail summary::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 4px;
    width: 8px;
    height: 8px;
    border-right: 1px solid var(--product-blue);
    border-bottom: 1px solid var(--product-blue);
    transform: translateY(-68%) rotate(45deg);
    transition: transform .22s ease;
}

.ProductCardDetail[open] summary::after {
    transform: translateY(-28%) rotate(225deg);
}

.ProductCardDetail__content {
    padding: 7px 0 23px;
}

.ProductCardDetail__block + .ProductCardDetail__block {
    margin-top: 22px;
}

.ProductCardDetail__block--recommend {
    padding: 18px 20px;
    background: #f5fafc;
}

.ProductCardDetail__label {
    margin: 0 0 8px;
    color: var(--product-blue);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 10px;
    letter-spacing: .12em;
    line-height: 1.4;
}

.ProductCardDetail__block > p:last-child {
    margin: 0;
    color: #536671;
    font-size: 13px;
    line-height: 2;
}

.ProductCard__cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    min-width: 184px;
    margin-top: 24px;
    padding: 12px 15px;
    border: 1px solid rgba(24, 50, 71, .18);
    background: #fff;
    color: var(--product-navy);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    line-height: 1.5;
    text-decoration: none;
    transition: background .22s ease, border-color .22s ease;
}

.ProductCard__cta::after {
    content: "→";
    color: var(--product-blue);
    transition: transform .2s ease;
}

.ProductCard__cta:hover {
    border-color: rgba(110, 157, 184, .52);
    background: #f7fbfc;
}

.ProductCard__cta:hover::after {
    transform: translateX(4px);
}

.ProductCard__storeNote {
    margin: 22px 0 0;
    color: var(--product-navy);
    font-size: 12px;
    font-weight: 600;
    line-height: 1.8;
}

/* EMPTY */
.ProductEmpty {
    padding: 126px 0;
    background: var(--product-ivory);
}

.ProductEmpty .ProductText {
    max-width: 620px;
    margin-top: 24px;
}

/* CLOSING */
.ProductClosing {
    padding: 138px 0 146px;
    background: var(--product-navy);
    text-align: center;
}

.ProductClosing__inner {
    max-width: 900px;
}

.ProductClosing .ProductEyebrow {
    color: #9bc1d4;
}

.ProductClosing__title {
    margin: 0;
    color: #fff;
    font-family: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;
    font-size: 40px;
    font-weight: 500;
    letter-spacing: .05em;
    line-height: 1.7;
}

.ProductClosing__text {
    max-width: 760px;
    margin: 30px auto 0;
    color: #cbd8df;
    font-size: 15px;
    line-height: 2.15;
}