/* =========================================
   HOME Page Styles
   ========================================= */

/* ── HERO ── */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    padding-bottom: 0;
    overflow-x: clip;
    /* 横のはみ出しのみカット、縦はvisibleでeyeが丸く見える */
}

.hero .container {
    display: block;
    padding-block: 100px;
    position: relative; /* ← 追加 */
    z-index: 1;         /* ← 追加 */
    /* max-width / margin は .container クラスの基本値（1100px, auto）を使用 */
    /* 左端がヘッダーロゴと同位置に揃う */
}

/* Eye SVG: 常にファーストビュー右下に固定 */
.hero__eye {
    position: absolute;
    bottom: 40px;
    right: 40px;
    width: clamp(400px, 50vw, 720px);
    height: auto;
    z-index: 0;
}

.hero__eye-svg {
    width: clamp(120px, 18vw, 220px);
    height: auto;
    overflow: visible;
}

.hero__eyebrow {
    font-size: 11px;
    letter-spacing: 0.22em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 28px;
    display: block;
}

.hero__heading {
    font-size: clamp(40px, 5.5vw, 68px);
    font-weight: 300;
    line-height: 1.3;
    letter-spacing: 0.03em;
    color: var(--color-text);
    margin-bottom: 28px;
    white-space: nowrap;
}

.hero__sub {
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-text-sub);
    margin-bottom: 48px;
    max-width: 360px;
}

.hero__cta {
    display: flex;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 48px;
    margin-bottom: 48px;
}

.hero__link {
    font-size: 13px;
    letter-spacing: 0.1em;
    color: #3f6f5a;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color var(--transition);
}

.hero__link:hover {
    color: #355e4c;
}

/* Hero Diagram (floating 3-layer) */
.hero__diagram {
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.diagram {
    width: 100%;
    max-width: 380px;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.diagram__layer {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    border: 1px solid var(--color-border);
    background: rgba(245, 241, 232, 0.65);
    transition: background var(--transition);
    position: relative;
}

.diagram__layer:hover {
    background: rgba(239, 234, 224, 0.9);
}

.diagram__layer--3 {
    border-radius: 2px 2px 0 0;
    background: var(--color-base-alt);
}

.diagram__layer--2 {
    border-top: none;
    background: rgba(239, 234, 224, 0.7);
}

.diagram__layer--1 {
    border-top: none;
    border-radius: 0 0 2px 2px;
    background: rgba(207, 201, 188, 0.3);
}

.diagram__icon {
    flex-shrink: 0;
    color: var(--color-text-sub);
}

.diagram__body {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.diagram__num {
    font-size: 11px;
    letter-spacing: 0.14em;
    color: var(--color-accent);
    font-weight: 300;
}

.diagram__name {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-text);
}

.diagram__desc {
    font-size: 12px;
    color: var(--color-text-sub);
    line-height: 1.5;
}

.diagram__arrow {
    width: 1px;
    height: 0;
    border-left: 1px dashed var(--color-border);
    margin-left: 40px;
}

.diagram__base-label {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    text-align: center;
    margin-top: 12px;
    text-transform: uppercase;
}

/* ── News ── */
.news__layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 80px;
    align-items: start;
}

.news__text {
    padding-top: 4px;
}

.news__label {
    white-space: nowrap;
    padding-top: 4px;
}

.news__list {
    flex: 1;
    list-style: none;
    border-top: 1px solid var(--color-border);
}

.news__item {
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.news__date {
    font-size: 13px;
    color: var(--color-text-sub);
    letter-spacing: 0.08em;
    white-space: nowrap;
    flex-shrink: 0;
}

.news__title {
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.6;
    text-decoration: none;
}

.news__title:hover {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .news__layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}
    .news__item {
        flex-direction: column;
        gap: 4px;
    }
}

/* ── PHILOSOPHY ── */
.philosophy {
    background: var(--color-base);
}

.philosophy__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.philosophy__body {
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    margin-top: 24px;
}

.philosophy__body--accent {
    font-weight: 500;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .philosophy__layout {
        gap: 32px; /* 空きを調整 */
    }
}

/* Build Diagram (visual side) */
.build-diagram {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 220px;
}

/* ── ピラミッド型ダイアグラム ── */
.build-diagram--pyramid .build-diagram__item--top {
    clip-path: none;          /* clip-pathを全部削除 */
    margin-inline: 15%;       /* 左右15%ずつ狭める */
    border-radius: 2px 2px 0 0;
}

.build-diagram--pyramid .build-diagram__item--mid {
    clip-path: none;
    margin-inline: 7%;        /* 左右7%ずつ */
    border-top: 1px solid var(--color-border);  /* 追加 */
    border-radius: 0;
}

.build-diagram--pyramid .build-diagram__item--base {
    clip-path: none;
    margin-inline: 0%;        /* 全幅 */
    border-top: 1px solid var(--color-border);  /* 追加 */
    border-radius: 0 0 2px 2px;
}

.build-diagram__item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 28px;
    border: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


.build-diagram__item--top {
    border-radius: 2px 2px 0 0;
    background: var(--color-base-alt);
    transition-delay: 1.4s;
}

.build-diagram__item--mid {
    background: rgba(239, 234, 224, 0.5);
    transition-delay: 0.7s;
}

.build-diagram__item--base {
    border-radius: 0 0 2px 2px;
    background: rgba(207, 201, 188, 0.25);
    transition-delay: 0s;
}

.build-diagram__icon {
    flex-shrink: 0;
    color: var(--color-text-sub);
}

.build-diagram__en {
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.build-diagram__ja {
    font-size: 14px;
    color: var(--color-text);
    font-weight: 500;
    letter-spacing: 0.06em;
}


/* is-visible が付いたら出現 */
.build-diagram__item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 親の fadein による一括制御を無効化 */
.philosophy__visual.fadein {
    opacity: 1 !important;
    transform: none !important;
}


/* ── SERVICE PREVIEW ── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 64px;
}

.service-card {
    padding: 48px 36px 48px 0;
    border-right: 1px solid var(--color-border);
}

.service-card:first-child {
    padding-left: 0;
}

.service-card:last-child {
    border-right: none;
    padding-right: 0;
    padding-left: 36px;
}

.service-card:nth-child(2) {
    padding-left: 36px;
}

.service-card__num {
    display: block;
    font-size: 44px;
    font-weight: 300;
    color: var(--color-accent);
    letter-spacing: -0.01em;
    line-height: 1;
    margin-bottom: 20px;
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.service-card__num-label {
    font-size: 11px;
    font-weight: 300;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    text-transform: uppercase;
}

.service-card__name {
    font-size: 20px;
    font-weight: 500;
    letter-spacing: 0.06em;
    color: var(--color-text);
    margin-bottom: 16px;
}

.service-card__desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-sub);
}

/* ── RESULT ── */
.result .container {
    display: block;
}

.result__layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    align-items: start;
}

.result__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--color-border);
}

.result-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    padding-block: 36px;
    border-bottom: 1px solid var(--color-border);
}

.result-item__label {
    display: block;
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.result-item__col--before {
    position: relative;
}

.result-item__col--before::after {
    content: '▶';
    position: absolute;
    right: -28px;
    top: 30px;/* ラベル"BEFORE"の高さ分下げてテキスト先頭に揃える */
    transform: none;
    font-size: 12px;
    color: var(--color-text-sub);
}

.result-item__col--before .result-item__label {
    color: var(--color-accent);
}

.result-item__col--after .result-item__label {
    color: var(--color-text);
}

.result-item__col p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--color-text-sub);
}

.result-item__col--after p {
    color: var(--color-text);
    font-weight: 500;
}

.result-item__divider {
    width: 1px;
    align-self: stretch;
    background: var(--color-border);
    margin-top: 22px;
    display: none; /* 縦線を削除 */
}

/* ── CTA SECTION ── */
.cta-section {
    background: var(--color-base);
}

.cta-block {
    max-width: 640px;
    margin-inline: auto;
    padding-block: 40px;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .hero .container {
        padding-block: 80px;
    }

    .hero__eye {
        width: clamp(280px, 72vw, 480px);
        bottom: 0;
        right: 0;
    }

    .philosophy__layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .result__layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: auto;
    }

    .services-grid {
        grid-template-columns: 1fr;
        border-top: none;
    }

    .service-card {
        padding: 32px 0 !important;
        border-right: none;
        border-top: 1px solid var(--color-border);
    }

    .result-item {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .result-item__divider {
        display: none;
    }

    .result-item__col--before::after {
        content: '▼';
        position: static;
        display: block;
        margin-top: 12px;
        Margin-left: 20px;
        font-size: 12px;
        color: var(--color-text-sub);
    }
    
.build-diagram {
    margin-top: 50px;
}