/* ============================================================
   company.css — 会社案内ページ固有スタイル
   日本コロイド株式会社
   ============================================================ */

/* ============================================================
   ページ内アンカーナビ
   ============================================================ */
.company-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: var(--header-h);
    z-index: 100;
}

.company-nav__list {
    display: flex;
    max-width: var(--content-max);
    margin: 0 auto;
    padding: 0 var(--content-pad);
}

.company-nav__link {
    display: block;
    padding: 1.4rem 2.4rem;
    font-weight: 600;
    color: var(--color-text-light);
    border-bottom: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.company-nav__link:hover,
.company-nav__link.is-active {
    color: var(--color-main);
    border-bottom-color: var(--color-main);
    opacity: 1;
}

@media (max-width: 768px) {
    .company-nav__list {
        gap: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .company-nav__list::-webkit-scrollbar {
        display: none;
    }

    .company-nav__link {
        padding: 1.2rem 1.6rem;
        font-size: clamp(1.2rem, 3.2vw, 1.4rem);
    }
}


/* ============================================================
   GREETING（代表挨拶）
   ============================================================ */
.greeting {
    padding: 8rem 0;
    background: var(--color-white);
    /* スクロール時にヘッダー + サブナビ分オフセット */
    scroll-margin-top: calc(var(--header-h) + 50px);
}

.greeting__inner {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 7rem;
    align-items: start;
}

.greeting__body {
    /* テキスト左カラム */
}

.greeting__text {
    line-height: 2;
    margin-bottom: 3.2rem;
    color: var(--color-text);
}

.greeting__sign {
    padding-top: 2.4rem;
    border-top: 1px solid var(--color-border);
    text-align: end;
}

.greeting__title {
    font-size: clamp(1.2rem, 1.1vw, 1.4rem);
    color: var(--color-text-light);
    margin-bottom: 0.4rem;
    padding-right: 1rem;
}

.greeting__name {
    font-size: clamp(1.8rem, 1.8vw, 2.4rem);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: 0.06em;
}

/* 写真エリア */
.greeting__photo {
    border-radius: 30px;
    overflow: hidden;
}

.greeting__photo>img {
    display: block;
    width: 100%;
    height: auto;
}


@media (max-width: 1024px) {
    .greeting__inner {
        grid-template-columns: 1fr 260px;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .greeting {
        padding: 5rem 0;
    }

    .greeting__inner {
        grid-template-columns: 1fr;
        gap: 3.2rem;
    }

    .greeting__photo {
        position: static;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        order: -1;
    }

    .greeting__title {
        padding-right: 0;
    }
}


/* ============================================================
   COMPANY PROFILE（会社概要）
   ============================================================ */
.company-profile {
    padding: 8rem 0;
    background: var(--color-bg-green);
    scroll-margin-top: calc(var(--header-h) + 50px);
}

.company-profile__table {
    width: 100%;
    border-collapse: collapse;
}

.company-profile__table th,
.company-profile__table td {
    padding: 1.6rem 2rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    line-height: 1.85;
}

.company-profile__table th {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    white-space: nowrap;
    width: 200px;
    /* background: rgba(255, 255, 255, 0.5); */
    background: var(--color-main);
}

.company-profile__table td {
    background: rgba(255, 255, 255, 0.75);
    color: var(--color-text);
}

.company-profile__table tr:last-child th,
.company-profile__table tr:last-child td {
    border-bottom: none;
}

@media (max-width: 768px) {
    .company-profile {
        padding: 5rem 0;
    }

    .company-profile__table,
    .company-profile__table tbody,
    .company-profile__table tr,
    .company-profile__table th,
    .company-profile__table td {
        display: block;
        width: 100%;
    }

    .company-profile__table th {
        white-space: normal;
        padding: 1.2rem 1.6rem 0.4rem;
        border-bottom: none;
        /* background: transparent; */
        font-size: clamp(1.2rem, 3.2vw, 1.4rem);
    }

    .company-profile__table td {
        padding: 0.4rem 1.6rem 1.4rem;
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    }

    .company-profile__table tr:last-child td {
        border-bottom: none;
    }
}


/* ============================================================
   HISTORY（沿革）
   ============================================================ */
.history {
    padding: 8rem 0;
    background: var(--color-white);
    scroll-margin-top: calc(var(--header-h) + 50px);
}

.history__scroll-wrap {
    position: relative;
}

/* 以前のグラデーションを解除 */
.history__scroll-wrap::after {
    content: none;
}

.history__list {
    max-height: 520px;
    overflow-y: auto;
    padding-right: 1.6rem;
    margin: 0;
    padding-bottom: 5rem;
    -webkit-overflow-scrolling: touch;

    margin: 0;
    padding-right: 2.4rem;
    padding-bottom: 0;
    overflow-y: auto;
    scrollbar-width: none;
}

.history__list::-webkit-scrollbar {
    display: none;
}

/* バーの背景 */
.history__scrollbar {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 6px;
    border-radius: 999px;
    background: #e3e8e5;
    pointer-events: none;
}

/* スクロール位置を示すつまみ */
.history__scrollbar-thumb {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    border-radius: 999px;
    background: var(--color-main);
}

.history__item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 0 3.2rem;
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    align-items: baseline;
}

.history__item:first-child {
    border-top: 1px solid var(--color-border);
}

.history__year {
    font-family: var(--font-en);
    font-size: clamp(1.3rem, 1.2vw, 1.5rem);
    font-weight: 700;
    color: var(--color-main);
    white-space: nowrap;
    padding-top: 0.1rem;
}

.history__event {
    color: var(--color-text);
    line-height: 1.85;
}

/* 下向き矢印 */
.history__scroll-arrow {
    position: absolute;
    bottom: 0.8rem;
    left: 50%;
    z-index: 1;
    transform: translateX(-50%);
    color: var(--color-main);
    font-size: 2rem;
    line-height: 1;
    pointer-events: none;
    display: block;
}

@media (max-width: 768px) {
    .history {
        padding: 5rem 0;
    }

    .history__list {
        max-height: 400px;
        padding-right: 1.8rem;
    }

    .history__item {
        /* grid-template-columns: 100px 1fr; */
        gap: 0 1.6rem;
        padding: 1.6rem 0;
    }

    .history__year {
        font-size: clamp(1.2rem, 3vw, 1.4rem);
    }
}

@media (max-width: 480px) {
    .history__item {
        grid-template-columns: 1fr;
        gap: 0.4rem;
    }

    .history__year {
        font-size: clamp(1.2rem, 3.2vw, 1.4rem);
        color: var(--color-main);
    }
}

/* ══════════════════════════════════════════════
   AUTO SLIDER（MV下・右→左 無限スクロール）
══════════════════════════════════════════════ */
.auto-slider {
    --slider-gap: clamp(16px, 2vw, 28px);
    overflow: hidden;
    display: grid;
    gap: 24px;
    padding: 32px 0;
    background: var(--color-white);
}

.auto-slider__row {
    overflow: hidden;
    min-width: 0;
}

.auto-slider__track {
    display: flex;
    align-items: center;
    gap: var(--slider-gap);
    width: max-content;
    animation: companySlideLeft 36s linear infinite;
}

/* 下段は左から右へ */
.auto-slider__row--reverse .auto-slider__track {
    animation-duration: 26s;
    animation-direction: reverse;
}

.auto-slider__item {
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 28px;
}

.auto-slider__item img {
    display: block;
    width: 320px;
    height: 240px;
    object-fit: cover;
}

/* 偶数番目は少し小さく */
.auto-slider__item:nth-child(even) {
    border-radius: 24px;
}

.auto-slider__item:nth-child(even) img {
    width: 280px;
    height: 180px;
}

/* 上段3枚目：写真の左側を表示 */
.auto-slider__row:not(.auto-slider__row--reverse) .auto-slider__item:nth-child(6n + 3) img {
    object-position: 10% center;
}

/* 上段6枚目：写真の上側を表示 */
.auto-slider__row:not(.auto-slider__row--reverse) .auto-slider__item:nth-child(6n + 6) img {
    object-position: center 35%;
}

@keyframes companySlideLeft {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(calc(-50% - var(--slider-gap) / 2));
    }
}

@media (max-width: 768px) {
    .auto-slider {
        --slider-gap: 16px;
        gap: 16px;
        padding: 24px 0;
    }

    .auto-slider__item {
        border-radius: 20px;
    }

    .auto-slider__item img {
        width: 220px;
        height: 160px;
    }

    .auto-slider__item:nth-child(even) {
        border-radius: 18px;
    }

    .auto-slider__item:nth-child(even) img {
        width: 190px;
        height: 130px;
    }
}

/* ============================================================
   ACCESS（アクセス）
   ============================================================ */
.access {
    padding: 8rem 0;
    background: var(--color-bg-cream);
    scroll-margin-top: calc(var(--header-h) + 50px);
}

.access__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.access__card {
    background: var(--color-white);
    overflow: hidden;
    border-radius: 10px;
}

/* オフィス名ヘッダー帯 */
.access__card-header {
    background: var(--color-main);
    color: var(--color-white);
    padding: 1.6rem 2.4rem;
}

.access__card-title-en {
    font-family: var(--font-en);
    font-size: clamp(1.2rem, 1.1vw, 1.4rem);
    font-weight: 600;
    letter-spacing: 0.08em;
    opacity: 0.85;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.access__card-title-ja {
    font-size: clamp(1.6rem, 1.5vw, 2rem);
    font-weight: 700;
}

/* 地図 */
.access__map {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--color-bg-green);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.access__map iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.access__map-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    width: 100%;
    height: 100%;
    color: var(--color-text-light);
    font-size: clamp(1.2rem, 1.1vw, 1.4rem);
}

.access__map-placeholder svg {
    opacity: 0.4;
}

/* 住所テキスト */
.access__card-body {
    padding: 2.4rem;
}

.access__address {
    line-height: 2;
    margin-bottom: 1.6rem;
}

.access__tel {
    color: var(--color-text);
    line-height: 1.85;
    margin-bottom: 2rem;
}

.access__nearest {
    border-top: 1px solid var(--color-border);
    padding-top: 1.6rem;
}

.access__nearest-label {
    font-size: clamp(1.2rem, 1.1vw, 1.4rem);
    font-weight: 700;
    color: var(--color-main);
    margin-bottom: 0.6rem;
}

.access__nearest-list {
    font-size: clamp(1.2rem, 1.1vw, 1.4rem);
    color: var(--color-text-light);
    line-height: 2;
}

@media (max-width: 1024px) {
    .access__grid {
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .access {
        padding: 5rem 0;
    }

    .access__grid {
        grid-template-columns: 1fr;
        gap: 3.2rem;
    }
}