/* --- Variables & Base for Business --- */
.page-header {
    position: relative;
    padding: 200px 0 180px;
    background-color: var(--color-white);
    color: var(--color-primary);
    overflow: hidden;
}

.page-header__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    z-index: 1;
}

.page-header .container {
    position: relative;
    z-index: 2;
}

.page-header__title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 60px;
}

.page-header__title span {
    display: block;
    font-family: var(--font-en);
    font-size: 16px;
    color: var(--color-accent);
    letter-spacing: 0.5em;
    margin-bottom: 20px;
}

.page-header__lead {
    font-size: 20px;
    line-height: 2.2;
    max-width: 900px;
    opacity: 0.95;
    font-feature-settings: "palt";
}

/* --- Service Block Design --- */
.service-list {
    background-color: transparent; /* 透明に設定 */
    padding-bottom: 60px;
}

/* PC時：ネガティブマージンでヘッダーに重ねる */
@media (min-width: 1025px) {
    .service-list {
        margin-top: -120px;
        position: relative;
        z-index: 10;
    }
}

.service-block {
    padding: 60px 0;
    overflow: hidden;
}

.service-block__inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 0;
    align-items: start;
}

.service-block--reverse .service-block__inner {
    grid-template-columns: 0.9fr 1.1fr;
}

.service-block__img {
    width: 100%;
    position: relative;
    z-index: 1;
}

.service-block__img img {
    width: 100%;
    height: 640px;
    object-fit: cover;
    display: block;
}

.service-block__content {
    padding: 80px;
    background-color: rgba(247, 247, 245, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    margin-left: -120px;
    margin-top: 120px;
    position: relative;
    z-index: 2;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.04);
}

.service-block--reverse .service-block__img {
    order: 2;
}

.service-block--reverse .service-block__content {
    margin-left: 0;
    margin-right: -120px;
    margin-top: 120px;
    order: 1;
}

.service-block__num {
    display: block;
    font-family: var(--font-en);
    font-size: 32px;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 25px;
    line-height: 1;
}

.service-block__title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-primary);
    line-height: 1.4;
    font-feature-settings: "palt";
}

.service-block__text .u-bold {
    font-weight: 700;
    font-size: 22px;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--color-text);
    font-feature-settings: "palt";
}

.u-desc {
		margin-bottom: 1em;
    font-size: 16px;
    line-height: 2.0;
    color: var(--color-text-light);
    font-feature-settings: "palt";
}

/* --- Features Grid (Updated: Removed Icon Style) --- */
.service-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5px;
    border-top: 1px solid rgba(0,0,0,0.1);
    padding-top: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 16px; /* ドット用の余白 */
}

/* テキストの前に小さなゴールドのドットを配置 */
.feature-item::before {
    content: '';
    position: absolute;
		top: 11px;
    left: 0;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.feature-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

/* --- Strengths Section (Dark Style) --- */
.strengths {
    position: relative;
    padding: 80px 0;
    background-color: var(--color-primary); /* プライマリカラー背景 */
    color: var(--color-white);
    overflow: hidden;
}

/* 背景写真の設定 */
.strengths__bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.15; /* うっすらと写真を表示 */
    z-index: 1;
}

/* 紺色のオーバーレイでさらに馴染ませる */
.strengths__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, transparent 0%, var(--color-primary) 80%);
    z-index: 2;
}

.strengths__container {
    position: relative;
    z-index: 3;
}

.strengths__header {
    margin-bottom: 60px;
    text-align: center;
}

.strengths__header .section-title {
    color: var(--color-white);
}

.strengths__grid {
    display: grid;
    /* PC・タブレットは4カラム並列 */
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.strengths__item {
    text-align: center;
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.strengths__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.05); /* ほのかに明るい背景 */
    border: 1px solid rgba(184, 167, 122, 0.3); /* ゴールドの枠線 */
    border-radius: 50%;
    color: var(--color-accent);
    transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.strengths__item:hover {
    transform: translateY(-10px);
}

.strengths__item:hover .strengths__icon {
    background-color: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.strengths__name {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-white);
    letter-spacing: 0.05em;
}

.strengths__text {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
    font-feature-settings: "palt";
}

/* --- Navigation Cards --- */
.navigation-links {
		margin-bottom: -40px;
    padding: 60px 0 0;
    background-color: var(--color-white);
}

.navigation-links__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.nav-card {
    display: flex;
    flex-direction: column;
    height: 420px;
    position: relative;
    overflow: hidden;
    color: var(--color-white);
    background-color: var(--color-primary);
}

.nav-card__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 1.5s cubic-bezier(0.165, 0.84, 0.44, 1);
    opacity: 0.7;
}

.nav-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(31,42,55,0.9) 0%, rgba(31,42,55,0.2) 100%);
}

.nav-card__content {
    position: relative;
    z-index: 2;
    margin-top: auto;
    padding: 60px;
}

.nav-card__sub {
    font-family: var(--font-en);
    font-size: 14px;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 12px;
    display: block;
}

.nav-card__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.nav-card:hover .nav-card__img {
    transform: scale(1.1);
}

/* --- Responsive Optimization --- */
@media (max-width: 1024px) {
    .page-header { padding: 180px 0 120px; }
    .page-header__lead { font-size: 18px; line-height: 2.0; }
    
    .service-list { margin-top: 0; }
    .service-block { padding: 40px 0; }
    .service-block__inner {
        display: flex;
        flex-direction: column;
        width: 100%;
    }
    
    .service-block__img {
        width: 100%;
        order: 1 !important;
    }
    
    .service-block__content {
        order: 2 !important;
        margin-left: auto !important;
        margin-right: auto !important;
        margin-top: -60px !important;
        padding: 60px 30px;
        width: 90% !important;
        background-color: var(--color-bg);
        backdrop-filter: none;
        box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    }

    .service-block__img img { height: 420px; }
    .service-block__title { font-size: 32px; }

    .strengths { padding: 80px 0; }
    .strengths__grid { gap: 20px; }
    .strengths__name { font-size: 20px; }
	
    .navigation-links__grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .nav-card { height: 340px; }
    .nav-card__content { padding: 40px; }
	
}

@media (max-width: 640px) {
    .page-header { padding: 140px 0 80px; }
		.page-header__bg {
				background-position: 0% center;
		}
    .page-header__title { margin-bottom: 40px; }
    .page-header__lead { font-size: 15px; }
    
    .service-block { padding: 30px 0; }
    .service-block__img img { height: 280px; }
    
    .service-block__content {
        width: calc(100% - 24px) !important;
        margin-top: -40px !important;
        padding: 40px 20px;
    }
    
    .service-block__num { font-size: 24px; margin-bottom: 15px; }
    .service-block__title { font-size: 26px; margin-bottom: 25px; }
    .service-block__text .u-bold { font-size: 19px; }
		
    .strengths__grid {
        /* スマホは2カラム×2行 */
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 15px;
    }
    .strengths__header { margin-bottom: 40px; }
    .strengths__item { padding: 5px; }
    .strengths__icon { width: 64px; height: 64px; margin-bottom: 15px; }
    .strengths__icon svg { width: 30px; height: 30px; }
    .strengths__name { font-size: 16px; margin-bottom: 10px; }
    .strengths__text { font-size: 12px; line-height: 1.6; }
	
		.navigation-links { padding: 60px 0 0;}
	
    .u-desc { font-size: 14px; line-height: 1.8; }

    .nav-card { height: 280px; }
    .nav-card__content { padding: 30px; }
    .nav-card__title { font-size: 22px; }
}