@import"https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Zen+Kaku+Gothic+New:wght@700&display=swap";:root{--color-bg: #f5f5f0;--color-surface: #ffffff;--color-surface-2: #f0ede8;--color-border: #e0dbd3;--color-text: #1a1a18;--color-text-muted: #6b6860;--color-accent: #2d6a4f;--color-accent-light: #e8f4ef;--color-accent-hover: #1b4332;--color-tag-bg: #d8f3dc;--color-tag-text: #1b4332;--font-heading: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;--font-body: "Noto Sans JP", sans-serif;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 12px rgba(0,0,0,.1);--shadow-lg: 0 8px 24px rgba(0,0,0,.12);--max-w: 960px;--spacing-page: 16px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100dvh}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.page-wrapper{max-width:var(--max-w);margin:0 auto;padding:0 var(--spacing-page)}.site-header{background:var(--color-accent);color:#fff;padding:14px var(--spacing-page);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-md)}.site-header__inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px}.site-header__logo{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;color:#fff;letter-spacing:.02em}.site-header__logo a{color:inherit}.back-btn{display:inline-flex;align-items:center;gap:6px;background:#ffffff2e;color:#fff;border-radius:20px;padding:6px 14px;font-size:.85rem;font-weight:500;transition:background .2s;white-space:nowrap}.back-btn:hover{background:#ffffff47}.page-hero{padding:32px var(--spacing-page) 24px;max-width:var(--max-w);margin:0 auto}.page-hero__title{font-family:var(--font-heading);font-size:1.8rem;font-weight:700;color:var(--color-text);line-height:1.3}.page-hero__subtitle{margin-top:6px;font-size:.9rem;color:var(--color-text-muted)}.group-section{margin:0 auto 32px;max-width:var(--max-w);padding:0 var(--spacing-page)}.group-section__header{display:flex;align-items:center;gap:10px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--color-accent)}.group-section__name{font-family:var(--font-heading);font-size:1rem;font-weight:700;color:var(--color-accent)}.group-section__count{font-size:.78rem;color:var(--color-text-muted);background:var(--color-accent-light);padding:2px 8px;border-radius:10px}.city-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media(min-width:480px){.city-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:768px){.city-grid{grid-template-columns:repeat(4,1fr)}}.city-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease;box-shadow:var(--shadow-sm)}.city-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.city-card--has-sub{grid-column:1 / -1}.city-card__link{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;gap:8px;color:var(--color-text);font-weight:500;font-size:.95rem;min-height:52px}.city-card__link:hover{background:var(--color-accent-light);color:var(--color-accent-hover)}.city-card__arrow{flex-shrink:0;color:var(--color-accent);opacity:.6}.city-card--has-sub .city-card__header{background:var(--color-accent);color:#fff;padding:12px 16px;font-family:var(--font-heading);font-weight:700;font-size:1rem;display:flex;align-items:center;gap:8px}.city-card--has-sub .city-card__header .badge{font-size:.75rem;background:#ffffff40;padding:2px 8px;border-radius:10px}.sub-area-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}@media(min-width:480px){.sub-area-grid{grid-template-columns:repeat(3,1fr)}}@media(min-width:768px){.sub-area-grid{grid-template-columns:repeat(4,1fr)}}.sub-area-link{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;font-size:.85rem;color:var(--color-text);border-top:1px solid var(--color-border);border-right:1px solid var(--color-border);transition:background .15s;gap:4px}.sub-area-link:hover{background:var(--color-accent-light);color:var(--color-accent-hover)}.map-page{padding:24px var(--spacing-page);max-width:var(--max-w);margin:0 auto}.map-page__title{font-family:var(--font-heading);font-size:1.5rem;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.map-placeholder{background:var(--color-surface);border:2px dashed var(--color-border);border-radius:var(--radius-lg);height:60vh;min-height:300px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;color:var(--color-text-muted);font-size:.9rem}.site-footer{margin-top:48px;padding:24px var(--spacing-page);border-top:1px solid var(--color-border);text-align:center;font-size:.8rem;color:var(--color-text-muted)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}