:root{--ink:#1f2b26;--sub:#5a6a62;--line:#d9e0da;--paper:#f7f8f5;--accent:#2c6a4c;--family:#2e8b57;--hard:#c8372d;--summit:#6b4a2e;--entrance:#2f6db5;--junction:#7a8790;--warn:#d98a1f;--sans:"Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;--serif:"Shippori Mincho B1", "Hiragino Mincho ProN", serif}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--paper);color:var(--ink);font:400 16px/1.85 var(--sans);margin:0}a{color:var(--accent)}h1,h2,h3{font-family:var(--serif);line-height:1.4}h1{margin:4px 0 14px;font-size:32px}.wrap{max-width:860px;margin:0 auto;padding:0 20px}.site-head{padding:10px 20px;font-size:14px;font-weight:700}.site-head a{color:var(--ink);text-decoration:none}.breadcrumb{color:var(--sub);flex-wrap:wrap;gap:0 6px;margin:0;padding:0 0 6px;font-size:12px;list-style:none;display:flex}.breadcrumb li+li:before{content:"›";margin-right:6px}.breadcrumb a{color:var(--sub)}.breadcrumb-bottom{border-top:1px solid var(--line);margin-top:36px;padding:12px 0 0}.lead{margin:0 0 14px}.viewer{touch-action:pan-y;background:#dbe6e8;height:min(68vh,640px);min-height:340px;position:relative;overflow:hidden}.viewer canvas{cursor:grab;touch-action:pan-y;width:100%;height:100%;display:block}.viewer canvas:active{cursor:grabbing}.pins{pointer-events:none;position:absolute;inset:0;overflow:hidden}.pin{color:#fff;width:0;height:0;font:700 13px/1.5 var(--sans);white-space:nowrap;cursor:pointer;pointer-events:auto;will-change:transform;background:0 0;border:0;padding:0;position:absolute;top:0;left:0}.pin i{background:var(--entrance);border:2px solid #fff;border-radius:50%;width:12px;height:12px;position:absolute;top:-6px;left:-6px;box-shadow:0 1px 4px #00000080}.pin.family i{background:var(--family)}.pin.hard i{background:var(--hard)}.pin span{background:#14201bc7;border-radius:4px;padding:1px 8px;position:absolute;bottom:12px;left:0;transform:translate(-50%)}.pin.summit i,.pin.top 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button{color:var(--sub);font:700 12.5px/1.6 var(--sans);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:3px 12px;transition:background .2s,color .2s}.from button:hover{color:var(--ink)}.from button[aria-pressed=true]{background:var(--accent);color:#fff}.viewer:has(.map-legend) .from{top:52px}@media (width<=600px){.viewer:has(.map-legend) .from{top:12px}.from{left:8px}}.zoom button{border:1px solid var(--line);width:38px;height:38px;color:var(--ink);cursor:pointer;background:#ffffffeb;border-radius:8px;font-size:18px}.credit{color:#333;background:#ffffffd9;max-width:100%;margin:0;padding:2px 8px;font-size:11px;line-height:1.5;position:absolute;bottom:0;left:0}.credit a{color:inherit}.spots{flex-wrap:wrap;gap:8px;padding-top:14px;display:flex}.spot{border:1px solid var(--line);color:var(--ink);font:400 14px var(--sans);cursor:pointer;background:#fff;border-radius:999px;align-items:center;gap:6px;padding:4px 12px;display:inline-flex}.spot i{background:var(--entrance);border-radius:50%;flex:none;width:10px;height:10px}.spot.family i{background:var(--family)}.spot.hard i{background:var(--hard)}.spot.summit i,.spot.top i{background:var(--summit);clip-path:polygon(50% 0,100% 100%,0 100%);border-radius:0;width:12px;height:11px}.spot.junction i{border:2px solid var(--junction);background:#fff}.legend{color:var(--sub);flex-wrap:wrap;gap:4px 16px;margin:8px 0 0;font-size:13px;display:flex}.legend span{align-items:center;gap:6px;display:inline-flex}.map-legend{z-index:3;color:var(--ink);background:#ffffffeb;border-radius:8px;margin:0;padding:6px 12px;font-size:12px;font-weight:700;position:absolute;top:12px;left:12px;box-shadow:0 1px 4px #00000040}.lg{background:var(--entrance);border-radius:50%;width:11px;height:11px;display:inline-block}.lg.summit{background:var(--summit);clip-path:polygon(50% 0,100% 100%,0 100%);border-radius:0;width:13px;height:11px}.lg.junction{border:2px solid var(--junction);background:#fff}@media (width<=600px){.map-legend{padding:4px 8px;font-size:11px;top:auto;bottom:26px;left:8px}}.spot:hover{border-color:var(--accent)}.spot[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:#fff;font-weight:700}.spot.reset{color:var(--accent);font-weight:700}.spot[hidden]{display:none}.spot-info{min-height:1.85em;margin:8px 0 0;font-weight:700}.warn{border-left:4px solid var(--warn);background:#fff7ea;border-radius:4px;margin:12px 0 0;padding:12px 16px;font-size:15px}.prose{padding-bottom:12px}.prose h2{border-bottom:2px solid var(--accent);margin:36px 0 12px;padding-bottom:6px;font-size:23px}.prose h3{margin:24px 0 8px;font-size:18px}.prose p{margin:0 0 14px}.prose table{border-collapse:collapse;background:#fff;width:100%;margin-bottom:8px}.prose th,.prose td{border-bottom:1px solid var(--line);text-align:left;padding:8px 10px}.prose th{white-space:nowrap;font-weight:700}.kv th{width:8.5em}.sections td:not(:first-child),.sections 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0;border:0;border-radius:0;margin:-2px;position:relative}.map-dot i.summit:before,.map-dot i.top:before{content:"";background:var(--summit);clip-path:polygon(50% 0,100% 100%,0 100%);position:absolute;inset:0}.page-end{padding-bottom:48px}.banners{flex-wrap:wrap;justify-content:center;gap:14px;margin:28px 0 0;padding:0;list-style:none;display:flex}.banners img{border-radius:10px;width:240px;height:auto;display:block}.home{color:var(--ink);flex-direction:column;align-items:center;gap:6px;margin-top:28px;font-size:13px;text-decoration:none;display:flex}.home img{border-radius:50%}.share{justify-content:center;align-items:center;gap:10px;margin:32px 0 0;display:flex}.share-title{color:var(--sub);letter-spacing:.1em;font-size:12px;font-weight:700}.share-btn{color:#fff;border-radius:50%;place-items:center;width:40px;height:40px;display:grid}.share-btn.x{background:#111}.share-btn.facebook{background:#1877f2}.share-btn.line{background:#06c755}@media (width<=700px){h1{font-size:26px}.viewer{height:58vh}.map{height:340px}.prose th,.prose td{padding:7px 6px;font-size:14px}.credit{font-size:10px}}