.ltl-column-detail {
    --ltl-column-green: #245b47;
    --ltl-column-ink: #26332d;
    --ltl-column-line: #dce5df;
    background: #fbfaf6;
    color: var(--ltl-column-ink);
}

.ltl-column {
    width: min(920px, calc(100% - 40px));
    margin: 0 auto;
    padding: clamp(56px, 8vw, 110px) 0 100px;
}

.ltl-column__header {
    max-width: 790px;
    margin-bottom: 38px;
}

.ltl-column__header h1,
.ltl-related-columns h2,
.ltl-column__relations h2 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.ltl-column__header h1 {
    margin: 10px 0 20px;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1.35;
    font-weight: 500;
}

.ltl-column__meta {
    display: flex;
    gap: 18px;
    color: #6b756f;
    font-size: .86rem;
}

.ltl-column__hero {
    margin: 0 0 clamp(42px, 6vw, 72px);
}

.ltl-column__hero img {
    display: block;
    width: 100%;
    max-height: 520px;
    object-fit: cover;
    border-radius: 20px;
}

.ltl-column__content {
    max-width: 760px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    font-size: 1.05rem;
    line-height: 2;
}

.ltl-column__content h2,
.ltl-column__content h3 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", serif;
    line-height: 1.5;
}

.ltl-column__content h2 { margin: 3em 0 1em; font-size: clamp(1.65rem, 3vw, 2.25rem); }
.ltl-column__content h3 { margin: 2.4em 0 .8em; font-size: 1.4rem; }
.ltl-column__content p { margin: 0 0 1.6em; }
.ltl-column__content img { border-radius: 12px; }

.ltl-related-columns,
.ltl-column__relations {
    width: min(1280px, calc(100% - 40px));
    margin: 80px auto 0;
    padding-top: 32px;
    border-top: 1px solid var(--ltl-column-line);
}

.ltl-column__relations { width: 100%; }

.ltl-related-columns__head > p {
    margin: 0 0 8px;
    color: var(--ltl-column-green);
    font-size: .73rem;
    font-weight: 700;
    letter-spacing: .2em;
}

.ltl-related-columns__head h2 {
    margin: 0 0 26px;
    color: var(--ltl-column-green);
    font-size: clamp(1.6rem, 3vw, 2.25rem);
}

.ltl-related-columns__list {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(260px, 31%);
    gap: 20px;
    overflow-x: auto;
    padding: 4px 2px 18px;
    scroll-snap-type: x proximity;
}

.ltl-related-column {
    scroll-snap-align: start;
}

.ltl-related-column > a {
    display: block;
    height: 100%;
    color: inherit;
    text-decoration: none;
}

.ltl-related-column__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-radius: 14px;
    background: #eaf0ec;
}

.ltl-related-column__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.ltl-related-column a:hover img { transform: scale(1.035); }
.ltl-related-column__image > span { display: grid; place-items: center; height: 100%; color: var(--ltl-column-green); font-family: serif; }
.ltl-related-column__body { padding: 16px 4px; }
.ltl-related-column__body time { color: #76817b; font-size: .76rem; }
.ltl-related-column__body h3 { margin: 7px 0 10px; font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-size: 1.25rem; line-height: 1.55; }
.ltl-related-column__body p { color: #5d6862; font-size: .88rem; line-height: 1.7; }
.ltl-related-column__body > span { color: var(--ltl-column-green); font-size: .84rem; font-weight: 700; }

.ltl-column__relation-group { margin-top: 30px; }
.ltl-column__relation-group > h3 { margin: 0 0 12px; font-size: .8rem; letter-spacing: .12em; color: #6a756f; }
.ltl-column__relation-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.ltl-column__relation-grid a { display: flex; align-items: center; gap: 12px; padding: 10px; border: 1px solid var(--ltl-column-line); border-radius: 12px; color: inherit; text-decoration: none; background: #fff; }
.ltl-column__relation-grid img { width: 72px; height: 58px; object-fit: cover; border-radius: 8px; }
.ltl-column__relation-grid span { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-weight: 600; }

@media (max-width: 720px) {
    .ltl-column { width: min(100% - 28px, 920px); padding-top: 42px; }
    .ltl-column__hero img { min-height: 240px; }
    .ltl-column__content { font-size: 1rem; line-height: 1.9; }
    .ltl-related-columns { width: min(100% - 28px, 1280px); margin-top: 56px; }
    .ltl-related-columns__list { grid-auto-columns: 82%; }
}