/* ================================================
   about.css — 私たちについてページ固有スタイル
   ================================================ */

.about-hero {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 92px 0 72px;
    background: linear-gradient(145deg, #edf6f0 0%, #e9f3fb 100%);
}

.about-hero::before {
    content: "";
    position: absolute;
    top: -130px;
    right: -100px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(42, 115, 169, 0.12);
}

.about-hero__title {
    font-size: clamp(2rem, 4.1vw, 2.7rem);
    margin-bottom: 14px;
}

.about-hero__sub {
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-sub);
}

.mission {
    background: var(--bg-white);
}

.mission__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.mission__text {
    color: var(--text-sub);
    line-height: 2;
}

.mission__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(25, 78, 115, 0.14);
    box-shadow: var(--shadow-sm);
}

.vision {
    background: var(--bg-cream);
}

.vision__cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.vision-card {
    text-align: center;
    padding: 30px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(33, 89, 130, 0.12);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.vision-card__icon {
    font-size: 2.4rem;
    margin-bottom: 14px;
}

.vision-card__title {
    margin-bottom: 10px;
    font-size: 1.12rem;
}

.vision-card__text {
    color: var(--text-sub);
    font-size: 0.91rem;
    line-height: 1.8;
}

.project {
    background: var(--bg-light-blue);
}

.project__content {
    max-width: 820px;
    margin: 0 auto;
}

.project__text {
    margin-bottom: 24px;
    color: var(--text-sub);
    line-height: 2;
}

@media (max-width: 1024px) {
    .mission__inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .about-hero {
        padding: 72px 0 56px;
    }

    .about-hero__title {
        font-size: 1.85rem;
    }
}