:root{--green:#345747;--green-dark:#243f34;--ink:#26302b;--muted:#756f67;--paper:#fff;--warm:#f5f2ec;--line:#ddd8cf;--max:960px;font-size:16px}html.font-large{font-size:19px}*{box-sizing:border-box}html,body{margin:0}body{font-family:-apple-system,BlinkMacSystemFont,"Yu Gothic",Meiryo,sans-serif;color:var(--ink);background:var(--warm);line-height:1.8}a{color:inherit}.koudenji-header{background:#fff;border-top:1px solid #eee9e0;border-bottom:1px solid var(--line)}.utility{background:#f3f1eb}.utility-inner{max-width:960px;margin:auto;min-height:42px;padding:5px 20px;display:flex;align-items:center;justify-content:space-between;font-size:.82rem}.utility-inner>span{color:#8a8378}.font-tools{display:flex;gap:6px;align-items:center;font-weight:600}.font-tools button{min-width:56px;padding:7px 12px;border:1px solid #9b9e98;border-radius:3px;background:#fff;color:#37453e;font:inherit;font-size:.8rem;cursor:pointer}.font-tools button.is-active{background:var(--green);border-color:var(--green);color:#fff}.brand-row{max-width:960px;margin:auto;min-height:88px;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;display:grid;line-height:1.05;min-width:130px}.brand-small{font-family:serif;font-size:.72rem;letter-spacing:.24em;color:#557064}.brand strong{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;font-size:1.7rem;letter-spacing:.15em}.brand-roman{font-size:.55rem;letter-spacing:.48em;color:#7b8b83;margin-top:5px}.public-nav{display:flex;align-items:center;gap:24px;font-weight:600;font-size:.86rem}.public-nav a{text-decoration:none;padding:10px 0;border-bottom:2px solid transparent}.public-nav a:hover,.public-nav a.active{color:var(--green);border-bottom-color:var(--green)}.listing-page,.article-page{max-width:var(--max);margin:auto;padding:40px 20px 70px}.page-title{margin-bottom:28px}.page-title p{margin:0;color:var(--green);font-family:serif;letter-spacing:.12em}.page-title h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;font-size:2rem;margin:3px 0}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);overflow:hidden;transition:transform .2s,box-shadow .2s}.card:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(40,55,47,.09)}.card img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.card-body{padding:15px 16px 18px}.card time{color:#7d817e;font-size:.8rem}.card h2{font-family:serif;font-weight:500;font-size:1.08rem;margin:5px 0 0}.notice-list{background:#fff;border:1px solid var(--line)}.notice-row{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:18px 22px;text-decoration:none;border-top:1px solid var(--line)}.notice-row:first-child{border-top:0}.notice-row:hover{background:#fbfaf7}.notice-row time{color:#747d78}.notice-row span{font-weight:600}.breadcrumb{font-size:.78rem;color:#777;display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.breadcrumb a{text-decoration:none;color:var(--green)}.article-card{background:#fff;border:1px solid var(--line)}.article-heading{padding:34px clamp(22px,5vw,50px) 26px}.section-label{margin:0 0 5px;color:var(--green);font-family:serif;letter-spacing:.08em}.article-heading time{color:#7b817e;font-size:.84rem}.article-heading h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.5;margin:6px 0 0}.photo-block{padding:0 clamp(18px,4vw,34px)}.main-photo,.gallery-photo{display:block;width:100%;border:0;padding:0;background:none;cursor:zoom-in}.main-photo img{display:block;width:100%;max-height:720px;object-fit:contain;background:#f7f7f5}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}.gallery-photo img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}.article-body{padding:34px clamp(22px,5vw,50px) 44px}.body-text{font-size:1rem;line-height:2.05;overflow-wrap:anywhere}.article-footer{padding:0 clamp(22px,5vw,50px) 38px}.return-link{display:inline-block;color:var(--green);text-decoration:none;border-bottom:1px solid #aab8b1;padding-bottom:2px}.koudenji-footer{background:var(--green-dark);color:#fff;padding:28px max(20px,calc((100vw - 920px)/2));display:flex;align-items:center;justify-content:space-between;gap:20px}.koudenji-footer div{display:grid}.koudenji-footer strong{font-family:serif;font-size:1.15rem;letter-spacing:.1em}.koudenji-footer span{font-size:.75rem;opacity:.72}.koudenji-footer a{font-size:.82rem;text-decoration:none;border:1px solid rgba(255,255,255,.4);padding:8px 12px}.empty{background:#fff;border:1px solid var(--line);padding:24px}.lightbox[hidden]{display:none}.lightbox{position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,.9);display:flex;align-items:center;justify-content:center;padding:34px}.lightbox img{max-width:96vw;max-height:92vh;object-fit:contain}.lightbox-close{position:absolute;right:18px;top:12px;width:48px;height:48px;border:0;background:transparent;color:#fff;font-size:2.1rem;cursor:pointer}.no-scroll{overflow:hidden}@media(max-width:760px){.brand-row{align-items:flex-start;flex-direction:column;gap:8px}.public-nav{width:100%;gap:18px;overflow-x:auto;white-space:nowrap;padding-bottom:2px}.cards{grid-template-columns:repeat(2,1fr)}.photo-grid{grid-template-columns:repeat(2,1fr)}.koudenji-footer{flex-direction:column;align-items:flex-start}.utility-inner>span{display:none}}@media(max-width:520px){.utility-inner{justify-content:flex-end}.font-tools span{font-size:.72rem}.font-tools button{min-width:48px}.cards{grid-template-columns:1fr}.notice-row{grid-template-columns:1fr;gap:2px}.listing-page,.article-page{padding-left:14px;padding-right:14px}.article-heading{padding-top:26px}.photo-block{padding-left:10px;padding-right:10px}.photo-grid{gap:7px}}
/* lightbox gallery navigation */
.lightbox-image{max-width:96vw;max-height:92vh;object-fit:contain;user-select:none;-webkit-user-drag:none}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:58px;height:76px;border:0;border-radius:8px;background:rgba(255,255,255,.14);color:#fff;font-size:3.2rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}
.lightbox-nav:hover{background:rgba(255,255,255,.24)}
.lightbox-prev{left:18px}.lightbox-next{right:18px}
.lightbox-counter{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);min-width:76px;padding:5px 12px;border-radius:999px;background:rgba(0,0,0,.45);color:#fff;text-align:center;font-size:.9rem;letter-spacing:.06em}
@media(max-width:760px){.lightbox{padding:22px 8px 52px}.lightbox-nav{width:46px;height:62px;font-size:2.6rem;background:rgba(0,0,0,.35)}.lightbox-prev{left:4px}.lightbox-next{right:4px}.lightbox-close{right:6px;top:4px}.lightbox-counter{bottom:10px}}

/* 記事内 関連リンク */
.related-links-public{margin-top:38px;padding-top:26px;border-top:1px solid var(--line)}.related-links-public h2{margin:0 0 14px;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:1.18rem;font-weight:500;color:var(--green-dark)}.related-links-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.related-link-button{display:flex;min-height:52px;padding:12px 16px;align-items:center;justify-content:space-between;gap:14px;border:1px solid #9faf9f;border-radius:6px;background:#f8faf7;color:var(--green-dark);font-weight:600;text-decoration:none;line-height:1.5;transition:background .2s,transform .2s}.related-link-button:hover{background:#eef3ed;transform:translateY(-1px)}.related-link-button span{font-size:1.4rem;line-height:1;font-weight:400}@media(max-width:620px){.related-links-buttons{grid-template-columns:1fr}.related-link-button{min-height:56px}}