@charset "UTF-8";

:root {
    --ink: #12161c;
    --paper: #f7f6f3;
    --paper-dim: #eeece6;
    --gold: #b08d57;
    --gold-bright: #d3ad76;
    --text-main: #1c1f24;
    --text-mute: #6b6f74;
    --text-on-dark: #f2f0ea;
    --text-on-dark-mute: #a9adb3;
    --serif: 'Noto Serif JP', serif;
    --sans: 'Zen Kaku Gothic New', sans-serif;
    --accent-serif: 'Cormorant Garamond', serif;
    --ease: cubic-bezier(.22, .61, .36, 1);
}

.page-head {
    position: relative;
    height: 320px;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(18, 22, 28, .35), rgba(18, 22, 28, .82)),
        url('img/アールディーについて横長写真.png') center 20%/cover no-repeat;
    display: flex;
    align-items: flex-end;
}

.page-head .wrap {
    padding-bottom: 44px;
}

.page-head .crumb {
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 13px;
    color: var(--gold-bright);
    letter-spacing: .1em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.page-head .crumb::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--gold-bright);
}

.page-head h1 {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(28px, 4.2vw, 42px);
    color: var(--text-on-dark);
    letter-spacing: .03em;
}

.page-head p {
    margin-top: 16px;
    font-size: 14px;
    color: var(--text-on-dark-mute);
    max-width: 56ch;
}

/* ---------- 01 企業理念 ---------- */
.philosophy {
    color: var(--text-on-dark);
    padding: 130px 0;
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(18, 22, 28, .88), rgba(18, 22, 28, .94)),
        url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?q=80&w=2400&auto=format&fit=crop') center/cover no-repeat;
}

.philosophy-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(180deg, rgba(18, 22, 28, .88) 0%, rgba(18, 22, 28, .94) 60%, rgba(18, 22, 28, .98) 100%),
        url('img/アールディーについてトップ背景.png') center/cover no-repeat;
}

.philosophy::before {
    content: "正";
    position: absolute;
    right: -40px;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--serif);
    font-weight: 700;
    font-size: min(46vw, 560px);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(176, 141, 87, .15);
    pointer-events: none;
    z-index: 1;
}

.philosophy .wrap {
    position: relative;
    z-index: 2;
}

.philosophy-spread {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 70px;
    margin-top: 40px;
    padding-bottom: 70px;
    border-bottom: 1px solid rgba(242, 240, 234, .12);
}

.philosophy-statement {
    font-family: var(--serif);
    font-weight: 700;
    font-size: clamp(28px, 4.2vw, 44px);
    line-height: 1.85;
}

.philosophy-statement em {
    font-style: normal;
    color: var(--gold-bright);
}

.philosophy-body {
    font-size: 14px;
    color: var(--text-on-dark-mute);
    line-height: 2.25;
    padding-top: 10px;
    border-top: 1px solid rgba(242, 240, 234, .12);
}

/* 縦書きの看板のような3つの価値観 */
.value-signs {
    display: flex;
    justify-content: center;
    gap: 70px;
    margin-top: 70px;
    padding-top: 10px;
}

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

.value-sign .v-kanji {
    writing-mode: vertical-rl;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 30px;
    letter-spacing: .3em;
    color: var(--text-on-dark);
    height: 150px;
    margin: 0 auto 20px;
    padding-top: 4px;
}

.value-sign .v-rule {
    width: 22px;
    height: 1px;
    background: var(--gold-bright);
    margin: 0 auto 16px;
}

.value-sign .v-en {
    display: block;
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 13px;
    color: var(--gold-bright);
    letter-spacing: .1em;
    margin-bottom: 14px;
}

.value-sign p {
    font-size: 12.5px;
    color: var(--text-on-dark-mute);
    line-height: 1.9;
    max-width: 22ch;
    margin: 0 auto;
}

/* ---------- 02 代表挨拶 ---------- */
.president {
    padding: 130px 0;
}

.president-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
    align-items: start;
}

.president-photo {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 3/4;
}

.president-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(.15) contrast(1.05);
}

.president-name {
    margin-top: 22px;
}

.president-name b {
    display: block;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 17px;
    color: var(--text-main);
}

.president-name span {
    font-size: 12.5px;
    color: var(--text-mute);
    letter-spacing: .03em;
}

.president-quote {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 21px;
    line-height: 1.85;
    color: var(--text-main);
    margin-bottom: 30px;
    padding-left: 24px;
    border-left: 3px solid var(--gold);
}

.president-body p {
    font-size: 14px;
    color: var(--text-mute);
    line-height: 2.15;
    margin-bottom: 20px;
}

.president-body p:last-child {
    margin-bottom: 0;
}

.president-sign {
    margin-top: 34px;
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 16px;
    color: var(--gold);
}

/* ---------- 03 事業紹介 ---------- */
.business {
    background: var(--paper-dim);
    padding: 130px 0;
}

.biz-hero-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 50px;
}

.biz-hero {
    position: relative;
    display: block;
    aspect-ratio: 4/3;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
}

.biz-hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease);
}

.biz-hero:hover img {
    transform: scale(1.07);
}

.biz-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18, 22, 28, 0) 40%, rgba(18, 22, 28, .8) 100%);
}

.biz-hero .label {
    position: absolute;
    left: 22px;
    bottom: 48px;
    z-index: 1;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 19px;
    color: #fff;
    letter-spacing: .02em;
}

.biz-hero .visit {
    position: absolute;
    left: 22px;
    bottom: 20px;
    z-index: 1;
    font-size: 12px;
    color: var(--gold-bright);
    letter-spacing: .05em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: transform .3s var(--ease);
}

.biz-hero:hover .visit {
    transform: translateX(4px);
}

.biz-services-lead {
    margin-top: 50px;
    font-size: 13.5px;
    color: var(--text-mute);
}

.service-clean-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid rgba(0, 0, 0, .1);
    margin-top: 24px;
}

.service-clean-item {
    padding: 30px 32px;
    border-bottom: 1px solid rgba(0, 0, 0, .1);
    transition: padding-left .3s var(--ease);
}

.service-clean-item:nth-child(odd) {
    border-right: 1px solid rgba(0, 0, 0, .1);
}

.service-clean-item:hover {
    padding-left: 40px;
}

.sc-no {
    display: block;
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 24px;
    color: transparent;
    -webkit-text-stroke: 1px var(--gold);
    margin-bottom: 14px;
}

.service-clean-item h4 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 10px;
    color: var(--text-main);
}

.service-clean-item p {
    font-size: 12.5px;
    color: var(--text-mute);
    line-height: 1.85;
    max-width: 42ch;
}

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

    .service-clean-item:nth-child(odd) {
        border-right: none;
    }
}


.history-strip {
    display: flex;
    gap: 0;
    margin-top: 50px;
    border-top: 1px solid rgba(0, 0, 0, .1);
    border-bottom: 1px solid rgba(0, 0, 0, .1);
}

.h-item {
    flex: 1;
    padding: 24px 26px;
    border-right: 1px solid rgba(0, 0, 0, .1);
}

.h-item:last-child {
    border-right: none;
}

.h-year {
    display: block;
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 14px;
    color: var(--gold);
    margin-bottom: 8px;
}

.h-text {
    font-size: 13px;
    color: var(--text-main);
    line-height: 1.7;
}

.biz-sub-head {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin: 70px 0 30px;
}

.biz-sub-head h3 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 19px;
}

.biz-sub-head span {
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 13px;
    color: var(--gold);
    letter-spacing: .06em;
}

.strength-list {
    border-top: 1px solid rgba(0, 0, 0, .12);
}

.strength-row {
    display: grid;
    grid-template-columns: 130px 70px 1fr;
    gap: 26px;
    align-items: center;
    padding: 26px 4px;
    border-bottom: 1px solid rgba(0, 0, 0, .12);
    transition: padding-left .3s var(--ease);
}

.strength-row:hover {
    padding-left: 14px;
}

.strength-row .s-thumb {
    width: 130px;
    height: 92px;
    border-radius: 5px;
    overflow: hidden;
    flex: none;
}

.strength-row .s-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(.3) contrast(1.05);
    transition: filter .4s var(--ease), transform .5s var(--ease);
}

.strength-row:hover .s-thumb img {
    filter: grayscale(0) contrast(1.05);
    transform: scale(1.05);
}

.strength-row .s-no {
    font-family: var(--accent-serif);
    font-style: italic;
    font-size: 30px;
    color: transparent;
    -webkit-text-stroke: 1px var(--gold);
    line-height: 1;
}

.strength-row h4 {
    font-family: var(--serif);
    font-weight: 600;
    font-size: 16.5px;
    line-height: 1.6;
    margin-bottom: 10px;
    color: var(--text-main);
}

.strength-row p {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.9;
    max-width: 64ch;
}

/* ---------- 04 会社概要 ---------- */
.company {
    padding: 130px 0 140px;
}

.company-table {
    border-top: 1px solid rgba(0, 0, 0, .1);
    margin-top: 50px;
}

.c-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 24px;
    padding: 24px 4px;
    border-bottom: 1px solid rgba(0, 0, 0, .1);
}

.c-row dt {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-mute);
}

.c-row dd {
    font-size: 14.5px;
    color: var(--text-main);
    line-height: 1.95;
}

.c-row dd a {
    color: var(--gold);
    border-bottom: 1px solid var(--gold);
}

.group-name {
    font-family: var(--serif);
    font-weight: 700;
    font-size: 16px;
    color: var(--text-main);
    margin-right: 10px;
}

.group-tag {
    font-size: 11px;
    color: var(--gold);
    border: 1px solid rgba(176, 141, 87, .4);
    padding: 3px 10px;
    border-radius: 999px;
    letter-spacing: .03em;
}

.group-list {
    margin: 16px 0 0 4px;
    list-style: none;
    padding-left: 0;
}

.group-list li {
    font-size: 13.5px;
    color: var(--text-main);
    line-height: 1.9;
    padding-left: 20px;
    position: relative;
    margin-bottom: 8px;
}

.group-list li:last-child {
    margin-bottom: 0;
}

.group-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 10px;
    height: 1px;
    background: var(--gold);
}

.g-note {
    font-size: 12px;
    color: var(--text-mute);
    margin-left: 6px;
}

.license-list {
    margin: 0 0 0 4px;
    list-style: none;
    padding-left: 0;
}

.license-list li {
    font-size: 13px;
    color: var(--text-mute);
    line-height: 1.85;
    padding-left: 16px;
    position: relative;
    margin-bottom: 9px;
}

.license-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 9px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--gold);
}

.license-list li:last-child {
    margin-bottom: 0;
}

.map-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 50px;
}

.map-card {
    background: var(--paper-dim);
    border-radius: 6px;
    overflow: hidden;
}

.map-card .map-label {
    padding: 16px 20px;
    font-family: var(--serif);
    font-weight: 600;
    font-size: 14px;
    color: var(--text-main);
    border-bottom: 1px solid rgba(0, 0, 0, .08);
}

.map-card iframe {
    width: 100%;
    aspect-ratio: 4/3;
    display: block;
    border: 0;
}

@media (max-width:900px) {
    .philosophy-spread {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .president-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .biz-hero-row {
        grid-template-columns: 1fr;
    }

    .service-mini-grid {
        grid-template-columns: 1fr;
    }

    .service-mini {
        flex-direction: column;
    }

    .service-mini .thumb {
        width: 100%;
        aspect-ratio: 16/9;
    }

    .strength-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 14px 18px;
        padding: 22px 4px;
    }

    .strength-row .s-thumb {
        width: 100px;
        height: 72px;
    }

    .strength-row .s-no {
        font-size: 22px;
    }

    .strength-row .s-text {
        flex-basis: 100%;
        margin-top: 4px;
    }

    .history-strip {
        flex-direction: column;
    }

    .h-item {
        border-right: none;
        border-bottom: 1px solid rgba(0, 0, 0, .1);
    }

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

@media (max-width:640px) {
    .page-head {
        height: 260px;
    }

    .philosophy {
        padding: 90px 0;
    }

    .value-signs {
        gap: 36px;
        flex-wrap: wrap;
        margin-top: 50px;
    }

    .value-sign .v-kanji {
        height: 110px;
        font-size: 22px;
    }

    .president {
        padding: 90px 0;
    }

    .business {
        padding: 90px 0;
    }

    .company {
        padding: 90px 0 100px;
    }

    .c-row {
        grid-template-columns: 1fr;
        gap: 6px;
    }

    .biz-sub-head {
        margin: 50px 0 24px;
    }

    .map-grid {
        grid-template-columns: 1fr;
    }
}