@charset "UTF-8";

/* ==========================================================================
   p-column-archive : コラム一覧（下層アーカイブ）セクション
   ========================================================================== */

.p-column-archive {
    width: 100%;
    background-color: #fcfbfa;
    background-image:
        radial-gradient(circle at 10% 10%, rgba(186, 154, 111, 0.02) 0%, transparent 30%),
        radial-gradient(circle at 90% 90%, rgba(25, 37, 74, 0.01) 0%, transparent 30%);
    padding-bottom: 120px;
}

.p-column-archive-hero {
    background-color: var(--color-hero-navy);
    background-image: linear-gradient(180deg, var(--color-hero-navy) 0%, #08152c 100%);
    padding: 100px 0;
    color: #ffffff;
    margin-bottom: 70px;
}

.p-column-archive-hero-inner {
    width: min(100%, 1440px);
    margin-inline: auto;
    padding-inline: 40px;
}

.p-column-archive-badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-hero-gold);
    border: 1px solid var(--color-hero-gold);
    padding: 4px 12px;
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.p-column-archive-main-title {
    font-size: 42px;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 12px;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

.p-column-archive-sub-title {
    font-size: 16px;
    color: #a4b3c6;
    font-weight: 500;
    margin: 0;
    letter-spacing: 0.05em;
}

.p-column-archive-inner {
    width: min(100%, 1440px);
    margin-inline: auto;
    padding-inline: 40px;
}

.p-column-archive-empty {
    text-align: center;
    padding: 80px 0;
    font-size: 16px;
    color: var(--color-text-main);
    opacity: 0.7;
}

.p-column-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    align-items: stretch;
}

.p-column-archive-card {
    background-color: #ffffff;
    border: 1px solid rgba(25, 37, 74, 0.05);
    border-radius: 6px;
    overflow: hidden;
    box-shadow:
        0 4px 20px rgba(25, 37, 74, 0.02),
        0 15px 45px rgba(168, 163, 149, 0.06);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s, box-shadow 0.5s;
}

.p-column-archive-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
}

.p-column-archive-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--color-main);
}

.p-column-archive-thumb::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to bottom, transparent 70%, rgba(25, 37, 74, 0.1) 100%);
}

.p-column-archive-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.p-column-archive-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px 24px;
    background-color: #ffffff;
}

.p-column-archive-date {
    font-family: "Inter", sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-main);
    opacity: 0.5;
    letter-spacing: 0.05em;
}

.p-column-archive-card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-main);
    line-height: 1.6;
    letter-spacing: 0.04em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    min-height: 64px;
    transition: color 0.3s;
}

.p-column-archive-desc {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-main);
    opacity: 0.72;
    line-height: 1.8;
    letter-spacing: 0.03em;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.p-column-archive-more {
    margin-top: 8px;
    display: inline-flex;
    align-items: center;
    font-family: "Inter", sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #ba9a6f;
    letter-spacing: 0.15em;
    position: relative;
    padding-right: 24px;
    transition: color 0.3s;
}

.p-column-archive-more::after {
    content: "→";
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.p-column-archive-card:hover {
    transform: translateY(-12px);
    border-color: rgba(186, 154, 111, 0.3);
    box-shadow:
        0 12px 30px rgba(25, 37, 74, 0.04),
        0 30px 70px rgba(186, 154, 111, 0.12);
}

.p-column-archive-card:hover .p-column-archive-img {
    transform: scale(1.06);
}

.p-column-archive-card:hover .p-column-archive-card-title {
    color: #ba9a6f;
}

.p-column-archive-card:hover .p-column-archive-more {
    color: var(--color-main);
}

.p-column-archive-card:hover .p-column-archive-more::after {
    transform: translateY(-50%) translateX(6px);
}

.p-column-archive-pager {
    display: flex;
    justify-content: center;
    margin-top: 80px;
}

/* ==========================================================================
   RESPONSIVE CONTROL
   ========================================================================== */

@media screen and (max-width: 1024px) {
    .p-column-archive {
        padding-bottom: 90px;
    }

    .p-column-archive-hero {
        padding: 80px 0;
    }

    .p-column-archive-hero-inner,
    .p-column-archive-inner {
        padding-inline: 32px;
    }

    .p-column-archive-main-title {
        font-size: 36px;
    }

    .p-column-archive-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .p-column-archive-card-title {
        font-size: 19px;
        min-height: 60px;
    }

    .p-column-archive-desc {
        font-size: 16px;
    }
}

@media screen and (max-width: 768px) {
    .p-column-archive {
        padding-bottom: 60px;
    }

    .p-column-archive-hero {
        padding: 56px 0;
        margin-bottom: 40px;
    }

    .p-column-archive-hero-inner,
    .p-column-archive-inner {
        padding-inline: 20px;
    }

    .p-column-archive-badge {
        font-size: 10px;
        margin-bottom: 16px;
    }

    .p-column-archive-main-title {
        font-size: 28px;
        line-height: 1.35;
    }

    .p-column-archive-sub-title {
        font-size: 14px;
        line-height: 1.8;
    }

    .p-column-archive-grid {
        grid-template-columns: 100%;
        gap: 28px;
    }

    .p-column-archive-card {
        border-radius: 6px;
    }

    .p-column-archive-card:hover {
        transform: none;
    }

    .p-column-archive-info {
        padding-inline: 16px;
    }

    .p-column-archive-date {
        font-size: 16px;
    }

    .p-column-archive-card-title {
        font-size: 19px;
        line-height: 1.65;
        min-height: auto;
    }

    .p-column-archive-desc {
        font-size: 16px;
        line-height: 1.8;
    }

    .p-column-archive-more {
        font-size: 14px;
    }

    .p-column-archive-pager {
        margin-top: 48px;
    }
}