.about-page {
    min-height: calc(100vh - 120px);
    padding: 52px 20px 70px;
    background:
        radial-gradient(circle at 18% 16%, rgba(58, 160, 255, 0.16), transparent 28%),
        linear-gradient(180deg, #f6faff 0%, #eef5ff 100%);
}

.about-container {
    max-width: 1180px;
    margin: 0 auto;
}

.about-slide {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.98fr) minmax(360px, 0.82fr);
    gap: 30px;
    min-height: 540px;
    padding: 44px;
    overflow: hidden;
    border: 1px solid #d2e5fb;
    border-radius: 26px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(246, 251, 255, 0.96) 46%, rgba(227, 241, 255, 0.9) 100%);
    box-shadow: 0 28px 70px rgba(15, 43, 84, 0.12);
}

.about-slide::before {
    content: "";
    position: absolute;
    inset: 18px;
    border: 1px solid rgba(58, 160, 255, 0.16);
    border-radius: 20px;
    pointer-events: none;
}

.about-slide::after {
    content: "";
    position: absolute;
    right: -140px;
    top: -150px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: rgba(58, 160, 255, 0.13);
    filter: blur(6px);
}

.about-slide-main {
    position: relative;
    z-index: 1;
    align-self: center;
}

.about-kicker {
    display: inline-flex;
    align-items: center;
    height: 34px;
    padding: 0 14px;
    margin-bottom: 24px;
    border: 1px solid #b9dafd;
    border-radius: 999px;
    background: #ffffff;
    color: #2563eb;
    font-size: 13px;
    font-weight: 900;
}

.about-slide h1 {
    margin: 0;
    color: #071a33;
    font-size: 58px;
    line-height: 1.08;
    letter-spacing: 0;
}

.about-title-brand {
    display: flex;
    margin-bottom: 18px;
    font-size: 72px;
    text-shadow:
        0 2px 0 rgba(255, 255, 255, 0.9),
        0 14px 30px rgba(18, 58, 122, 0.14);
}

.about-title-brand::after {
    content: none;
}

.about-slide h1 strong {
    display: block;
    font-weight: 950;
}

.about-slide-main p {
    max-width: 560px;
    margin: 24px 0 0;
    color: #39516f;
    font-size: 22px;
    font-weight: 800;
    line-height: 1.55;
}

.about-logo-stage {
    position: relative;
    z-index: 1;
    align-self: center;
    padding: 18px;
    border: 1px solid rgba(58, 160, 255, 0.16);
    border-radius: 24px;
    background:
        radial-gradient(ellipse at center, rgba(255, 255, 255, 0.46), rgba(210, 235, 255, 0.22) 48%, rgba(255, 255, 255, 0.08) 74%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.72), rgba(236, 247, 255, 0.38));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.7),
        0 22px 54px rgba(15, 43, 84, 0.14);
}

.about-logo-stage img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: 18px;
    filter: brightness(1.08) contrast(1.05) saturate(1.04);
}

.about-cycle-visual {
    position: relative;
    z-index: 1;
    grid-column: 1 / -1;
    width: min(100%, 920px);
    margin: 4px auto 0;
    border-radius: 28px;
    box-shadow: 0 20px 48px rgba(15, 43, 84, 0.08);
}

.about-cycle-visual img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 28px;
}

.about-ppt-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 20px;
}

.about-ppt-card {
    min-height: 190px;
    padding: 28px;
    border-radius: 22px;
    box-shadow: 0 18px 44px rgba(15, 43, 84, 0.09);
}

.about-ppt-card span {
    display: inline-flex;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.78);
    font-size: 13px;
    font-weight: 900;
}

.about-ppt-card h2 {
    margin: 0 0 12px;
    font-size: 30px;
    line-height: 1.18;
    letter-spacing: 0;
}

.about-ppt-card p {
    margin: 0;
    font-size: 16px;
    font-weight: 800;
    line-height: 1.5;
}

.about-ppt-card.is-blue {
    background: linear-gradient(135deg, #3aa0ff 0%, #1f6fe0 100%);
    color: #ffffff;
}

.about-ppt-card.is-navy {
    background: linear-gradient(135deg, #123a7a 0%, #071a33 100%);
    color: #ffffff;
}

.about-ppt-card.is-light {
    border: 1px solid #cfe4ff;
    background: #ffffff;
    color: #0f172a;
}

.about-ppt-card.is-light span {
    color: #2563eb;
}

.about-ppt-card.is-light p {
    color: #45607f;
}

@media (max-width: 980px) {
    .about-slide {
        grid-template-columns: 1fr;
        padding: 30px;
    }

    .about-logo-stage {
        max-width: 620px;
        width: 100%;
    }

    .about-cycle-visual,
    .about-ppt-grid {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .about-page {
        padding: 30px 14px 52px;
    }

    .about-slide {
        padding: 22px;
        border-radius: 20px;
    }

    .about-slide h1 {
        font-size: 40px;
    }

    .about-title-brand {
        font-size: 52px;
    }

    .about-slide-main p {
        font-size: 17px;
    }

    .about-cycle-visual,
    .about-ppt-grid {
        grid-template-columns: 1fr;
    }

    .about-cycle-visual,
    .about-cycle-visual img {
        border-radius: 18px;
    }
}