:root{--ty-accent:#d40010;--ty-text:#0d0d0d;--ty-text-sub:#555;--ty-text-mute:#888;--ty-line:#e5e5e5;--ty-tag-bg:#eaf0fc;--ty-tag-text:#1c4bb8;--ty-bg:#fff}.ty-article{background:#fff;color:var(--ty-text);font-family:Noto Sans JP,sans-serif;padding-bottom:64px}.ty-breadcrumb{background:#fafafa}.ty-breadcrumb__inner{margin:0 auto;max-width:1120px;padding:12px 20px}.ty-breadcrumb__list{align-items:center;color:var(--ty-text-mute);display:flex;font-size:12px;gap:8px;line-height:1.6;list-style:none;margin:0;padding:0}.ty-breadcrumb__list li{align-items:center;display:flex;flex:0 0 auto;gap:8px;white-space:nowrap}.ty-breadcrumb__list li+li:before{color:#ccc;content:">"}.ty-breadcrumb__list a{color:var(--ty-text-sub);text-decoration:none}.ty-breadcrumb__list a:hover{color:var(--ty-accent)}.ty-breadcrumb__list li:last-child{color:var(--ty-accent);flex:0 1 auto;font-weight:700;min-width:0;overflow:hidden;text-overflow:ellipsis}.ty-article__inner{margin:0 auto;max-width:840px;padding:40px 20px 0}.ty-article__head{margin-bottom:28px}.ty-article__meta{align-items:center;display:flex;flex-wrap:wrap;gap:12px;margin:0 0 14px}.ty-article__tag{background:var(--ty-tag-bg);border-radius:3px;color:var(--ty-tag-text);font-size:11px;font-weight:700;line-height:1;padding:6px 9px;text-decoration:none}.ty-article__tag:hover{text-decoration:underline}.ty-article__date{color:var(--ty-text-mute);font-size:12px}.ty-article__title{font-size:30px;font-weight:700;letter-spacing:.01em;line-height:1.5;margin:0;text-wrap:pretty}.ty-article__card{background:#fff;border:1px solid var(--ty-line);border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.08);padding:48px}.ty-article__hero{background:#e8e8e8;border-radius:6px;margin:0 0 36px;overflow:hidden}.ty-article__hero img{aspect-ratio:16/9;display:block;height:auto;object-fit:cover;width:100%}.ty-article__back{display:flex;justify-content:center;margin:36px 0 0}.ty-article__back-link{align-items:center;background:#fff;border:1px solid #ddd;border-radius:8px;color:var(--ty-text);display:inline-flex;font-size:14px;font-weight:700;gap:10px;min-height:48px;padding:0 32px;text-decoration:none;transition:border-color .15s ease,color .15s ease}.ty-article__back-link:hover{border-color:var(--ty-accent);color:var(--ty-accent)}.ty-article__back-arrow{color:var(--ty-text-mute);font-size:12px}.ty-article__back-link:hover .ty-article__back-arrow{color:var(--ty-accent)}@media (max-width:767px){.ty-article__inner{padding:24px 16px 0}.ty-article__title{font-size:22px}.ty-article__card{padding:20px 18px 28px}.ty-article__hero{margin-bottom:24px}.ty-article__back-link{justify-content:center;width:100%}}