/* ========================================
   私たちについてページ専用スタイル
   ======================================== */

/* ========================================
   PURPOSEセクション
   ======================================== */
.about-purpose {
    position: relative;
    padding: 96px 0;
    background: #FFFFFF;
    overflow: hidden;
}

/* 背景の装飾テキスト「PURPOSE」 */
.about-purpose::before {
    content: "PURPOSE";
    position: absolute;
    top: 18%;
    left: 10%;
    transform: translateY(-50%);
    font-size: clamp(100px, 18vw, 128px);
    font-weight: 700;
    color: rgba(28, 177, 190, 0.2);
    line-height: 1;
    letter-spacing: 0.02em;
    pointer-events: none;
    z-index: 0;
}

.about-purpose-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: var(--spacing-5xl);
}

.about-purpose-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-purpose-title {
    font-size: clamp(24px, 2.5vw, 36px);
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.4;
}

.about-purpose-subtitle {
    font-size: clamp(20px, 2vw, 32px);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.about-purpose-description {
    font-size: 18px;
    font-weight: 400;
    color: #364153;
    line-height: 1.625;
}

.about-purpose-note {
    font-size: 14px;
    font-weight: 400;
    color: #6A7282;
    line-height: 1.5;
}

.about-purpose-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-purpose-img {
    width: 100%;
    max-width: 596px;
    height: auto;
    object-fit: contain;
}

/* ========================================
   MISSIONセクション
   ======================================== */
.about-mission {
    position: relative;
    padding: 96px 0;
    background: var(--color-bg-section);
    overflow: hidden;
}

/* 背景の装飾テキスト「MISSION」 */
.about-mission::before {
    content: "MISSION";
    position: absolute;
    top: 10%;
    right: 10%;
    transform: translateY(-50%);
    font-size: clamp(100px, 18vw, 128px);
    font-weight: 700;
    color: rgba(77, 201, 40, 0.2);
    line-height: 1;
    letter-spacing: 0.02em;
    pointer-events: none;
    z-index: 0;
}

.about-mission-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
    gap: var(--spacing-5xl);
}

.about-mission-image {
    order: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-mission-img {
    width: 100%;
    height: 360px;
    object-fit: contain;
}

.about-mission-content {
    order: 2;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-mission-title {
    font-size: clamp(24px, 2.5vw, 36px);
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.4;
}

.about-mission-description {
    font-size: 18px;
    font-weight: 400;
    color: #4A5565;
    line-height: 1.625;
}

/* MISSIONセクション 事例バナー */
.about-mission-banner {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    min-height: 160px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    text-decoration: none;
    color: inherit;
    transition: box-shadow var(--transition-normal);
}

.about-mission-banner:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.about-mission-banner__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-lg);
    flex: 0 0 68%;
    padding: var(--spacing-md);
    padding-right: 10px;
    background: var(--color-main-dark-02);
    color: var(--color-base);
}

.about-mission-banner__text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.about-mission-banner__line {
    display: block;
    font-size: 14px;
    font-weight: 700;
    line-height: 180%;
}

.about-mission-banner__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    align-self: flex-start;
    padding: 6px var(--spacing-lg);
    background: #FFFFFF;
    color: var(--color-main-dark-03);
    font-size: 16px;
    font-weight: 700;
    border-radius: 9999px;
    transition: opacity var(--transition-normal);
}

.about-mission-banner:hover .about-mission-banner__cta {
    opacity: 0.95;
}

.about-mission-banner__cta-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    /* 矢印をテキスト色（--color-main-dark-03: #074B8B）に合わせる */
    filter: brightness(0) saturate(100%) invert(27%) sepia(52%) saturate(1500%) hue-rotate(192deg) brightness(95%) contrast(92%);
}

.about-mission-banner__image {
    flex: 0 0 38%;
    display: block;
    background: #E5E7EB;
}

.about-mission-banner__image img {
    width: 100%;
    height: 100%;
    min-height: 160px;
    object-fit: cover;
    display: block;
}

/* ========================================
   VALUEセクション
   ======================================== */
.about-value {
    position: relative;
    padding: 96px 0;
    background: #FFFFFF;
    overflow: hidden;
}

/* 背景の装飾テキスト「VALUE」 */
.about-value::before {
    content: "VALUE";
    position: absolute;
    top: 5%;
    left: 10%;
    font-size: clamp(100px, 18vw, 128px);
    font-weight: 700;
    color: rgba(28, 177, 190, 0.2);
    line-height: 1;
    letter-spacing: 0.02em;
    pointer-events: none;
    z-index: 0;
}

.about-value-container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3xl);
}

.about-value-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.about-value-title {
    font-size: clamp(24px, 2.2vw, 36px);
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.5;
    text-align: center;
}

.about-value-subtitle {
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.5;
}

.about-value-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
    width: 100%;
}

.about-value-card {
    background: #F8FAFC;
    border: 1px solid #F3F4F6;
    border-radius: 16px;
    padding: var(--spacing-2xl);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.10), 0 4px 6px -4px rgba(0, 0, 0, 0.10);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.about-value-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.about-value-card-title-prefix {
    display: block;
    font-size: 16px;
    font-weight: 400;
    margin-bottom: 2px;
}

.about-value-card-title-main {
    display: block;
    font-size: 18px;
    font-weight: 700;
}

.about-value-card-description {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-gray);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.about-value-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    width: 100%;
    margin-bottom: var(--spacing-lg);
}

.about-value-service-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-base);
    line-height: 1.43;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-normal);
    height: 72px;
}

.about-value-service-btn:hover {
    opacity: 0.9;
}

.about-value-buttons--system .about-value-service-btn {
    background: #36B2E3;
}

.about-value-buttons--digital .about-value-service-btn {
    background: #28A859;
}

.about-value-detail-link {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.43;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: color var(--transition-fast);
}

.about-value-detail-link:hover {
    color: var(--color-main-dark-02);
}

.about-value-card .about-value-detail-link {
    align-self: center;
}

.about-value-container .outline-btn {
    align-self: center;
}

/* アイコンサイズは common の 20px を継承 */

/* ========================================
   ESCO Philosophyセクション
   ======================================== */
.about-esco {
    padding: 96px 0;
    background: #F2FFEE;
}

.about-esco-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.about-esco-badge {
    display: inline-block;
    padding: 8px 24px;
    margin-bottom: var(--spacing-md);
    background: rgba(255, 255, 255, 0.80);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 700;
    color: #28A859;
    line-height: 1.43;
    letter-spacing: 0.02em;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.10), 0 1px 2px -1px rgba(0, 0, 0, 0.10);
}

.about-esco-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.about-esco-intro {
    font-size: 18px;
    font-weight: 400;
    color: #374151;
    line-height: 1.625;
    text-align: center;
    max-width: 640px;
    margin-bottom: var(--spacing-2xl);
}

.about-esco-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.about-esco-logo-graphic {
    flex-shrink: 0;
}

.about-esco-logo-img {
    display: block;
    width: 300px;
    height: auto;
    object-fit: contain;
}

.about-esco-card {
    position: relative;
    width: 100%;
    max-width: 896px;
    background: rgba(255, 255, 255, 0.60);
    border: 1px solid #FFF;
    border-radius: 24px;
    padding: var(--spacing-3xl);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.10);
}

.about-esco-section {
    margin-bottom: var(--spacing-2xl);
}

.about-esco-section:last-child {
    margin-bottom: 0;
}

.about-esco-heading {
    font-size: 20px;
    font-weight: 700;
    color: #0F766E;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.about-esco-heading--with-sub {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 8px;
}

.about-esco-heading-main {
    font-size: 30px;
    color: #28A859;
}

.about-esco-heading-sub {
    font-size: 14px;
    font-weight: 700;
    color: #6A7282;
}

.about-esco-heading-sub::before {
    content: ' — ';
    color: #9CA3AF;
}

.about-esco-card .about-esco-heading.about-esco-heading--with-sub {
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(15, 118, 110, 0.25);
}

.about-esco-card .about-esco-heading-sub::before {
    content: '\2014\2014\2014\00a0';
    margin-right: 2px;
    color: #9CA3AF;
}

.about-esco-section--vision {
    position: relative;
    z-index: 0;
}

.about-esco-section--vision::after {
    content: '';
    position: absolute;
    top: -5%;
    right: -8%;
    width: 140px;
    height: 140px;
    background-image: url("../images/about/leaf-img.svg");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 140px 140px;
    transform: rotate(20deg);
    transform-origin: top right;
    pointer-events: none;
    z-index: -1;
}

.about-esco-section--mission .about-esco-list li {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 140%;
}

.about-esco-section--mission .about-esco-list li:last-child {
    margin-bottom: 0;
}

.about-esco-section--mission .about-esco-list li::before {
    background: #28A859;
}

.about-esco-section--value .about-esco-list li {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 140%;
}

.about-esco-section--value .about-esco-list li:last-child {
    margin-bottom: 0;
}

.about-esco-section--value .about-esco-list li::before {
    background: #28A859;
}

.about-esco-section--spirits .about-esco-list li {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 140%;
}

.about-esco-section--spirits .about-esco-list li:last-child {
    margin-bottom: 0;
}

.about-esco-section--spirits .about-esco-list li::before {
    background: #28A859;
}

.about-esco-section--spirits .about-esco-list-item-title {
    display: block;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.about-esco-section--spirits .about-esco-list-item-desc {
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-gray);
    line-height: 1.6;
}

.about-esco-text {
    font-size: 18px;
    font-weight: 400;
    color: #374151;
    line-height: 1.625;
}

.about-esco-text--vision {
    font-size: 20px;
    font-weight: 700;
    color: #1F2937;
    line-height: 1.6;
    text-align: left;
    margin: 0;
}

.about-esco-vision-line {
    display: block;
    color: #333333;
    font-size: 30px;
    font-style: normal;
    font-weight: 700;
    line-height: 48.75px;
}

.about-esco-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-esco-list li {
    position: relative;
    padding-left: 28px;
    font-size: 16px;
    font-weight: 400;
    color: #374151;
    line-height: 1.625;
    margin-bottom: var(--spacing-sm);
}

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

.about-esco-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.4em;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* ========================================
   会社概要セクション（index.html と同じデザイン）
   ======================================== */
.company-info {
    position: relative;
    padding: var(--spacing-5xl) 0;
    background: #F6FEFF;
    overflow: hidden;
}

.company-info-container {
    position: relative;
    max-width: var(--container-max-width-wide);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    z-index: 1;
}

.company-info-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-main-dark-03);
    line-height: 1.11;
    margin-bottom: var(--spacing-lg);
}

.company-info-description {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-primary);
    line-height: 2;
    margin-bottom: var(--spacing-xl);
}

.company-info-image {
    position: absolute;
    right: -15%;
    top: -50%;
    width: 1200px;
    height: auto;
    opacity: 0.4;
    pointer-events: none;
    z-index: -1;
}

.company-info-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */

/* タブレット (992px以下) */
@media (max-width: 992px) {
    .about-purpose-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

    .about-mission-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-mission-image {
        order: 1;
    }

    .about-mission-content {
        order: 2;
    }

    .about-mission-banner {
        flex-direction: column;
        min-height: 0;
    }

    .about-mission-banner__content {
        flex: 0 0 auto;
    }

    .about-mission-banner__image {
        flex: 0 0 auto;
        min-height: 180px;
    }

    .about-mission-banner__image img {
        min-height: 180px;
    }

    .about-value-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .about-value-cards {
        grid-template-columns: 1fr;
    }

    .company-info-image {
        width: 180%;
        top: -20%;
        left: 0%;
        z-index: -1;
    }

    /* スマホ (768px以下): コンテンツ左右paddingを16pxに統一 */
    @media (max-width: 768px) {
        .about-purpose-container,
        .about-mission-container,
        .about-value-container,
        .about-esco-container,
        .company-info-container {
            padding: 0 var(--spacing-md);
        }
    }

    /* スマートフォン (576px以下) */
    @media (max-width: 576px) {

        .about-purpose,
        .about-mission,
        .about-value,
        .about-esco,
        .company-info {
            padding: var(--spacing-4xl) 0;
        }

        .about-purpose-container,
        .about-mission-container,
        .about-value-container,
        .about-esco-container,
        .company-info-container {
            padding: 0 var(--spacing-md);
        }

        .about-purpose-title,
        .about-purpose-subtitle,
        .about-mission-title {
            font-size: 24px;
        }

        .about-purpose-subtitle {
            font-size: 20px;
        }

        .about-mission-banner__line {
            font-size: 16px;
        }

        .about-mission-banner__content {
            padding: var(--spacing-md);
        }

        .about-value-title,
        .about-value-subtitle {
            font-size: 18px;
        }

        .about-value-header {
            flex-direction: column;
        }

        .about-value-buttons {
            grid-template-columns: 1fr;
        }

        .about-value-card {
            padding: var(--spacing-xl);
        }

        .about-esco-title {
            font-size: 28px;
        }

        .about-esco-logo {
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .about-esco-card {
            padding: var(--spacing-xl);
        }

        .about-esco-section--vision {
            padding-right: 56px;
        }

        .about-esco-section--vision::after {
            width: 48px;
            height: 48px;
            background-size: 48px 48px;
        }

        .company-info-title {
            font-size: 28px;
        }
    }
}