:root { --ink:#11251d; --muted:#66786f; --line:#dce6e0; --soft:#f3f8f5; --panel:#fff; --accent:#0f6b48; --accent-dark:#084c35; --accent-pale:#e8f5ee; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:radial-gradient(circle at 78% -10%,rgb(15 107 72 / 16%),transparent 28%),linear-gradient(#fbfdfc 0%,#f3f6f4 42%,#eef4f0 100%); font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic",sans-serif; }
body::before { content:""; position:fixed; z-index:-1; inset:0 0 auto; height:280px; background:linear-gradient(135deg,transparent 56%,rgb(15 107 72 / 8%) 56% 61%,transparent 61%),linear-gradient(150deg,transparent 64%,rgb(55 106 139 / 8%) 64% 70%,transparent 70%); pointer-events:none; }
a { color:inherit; text-decoration:none; }
.mountain-header { display:flex; align-items:center; gap:24px; width:min(1220px,calc(100% - 48px)); margin:0 auto 22px; padding:28px 0 22px; }
.mountain-brand { display:inline-flex; align-items:center; gap:12px; min-width:230px; max-width:100%; color:var(--accent-dark); text-decoration:none; }
.mountain-brand-copy { display:grid; gap:2px; }.mountain-brand-name { color:var(--accent-dark); font-size:13px; font-weight:900; letter-spacing:.08em; line-height:1.1; }.mountain-brand-name small { margin-left:4px; font-size:11px; letter-spacing:0; }.mountain-brand-title { color:var(--ink); font-size:32px; font-weight:850; letter-spacing:-.035em; line-height:1.08; white-space:nowrap; }
.mountain-mark { position:relative; width:54px; height:42px; flex:0 0 auto; }.mountain-mark::before,.mountain-mark::after,.mountain-mark span { content:""; position:absolute; bottom:0; clip-path:polygon(50% 0,100% 100%,0 100%); }.mountain-mark::before { left:0;width:40px;height:38px;background:linear-gradient(135deg,var(--accent-dark),#179564); }.mountain-mark::after {right:0;width:32px;height:30px;background:linear-gradient(135deg,#bee5d4,var(--accent));}.mountain-mark span {left:13px;width:14px;height:16px;background:#fff;}
.mountain-nav { display:flex; flex:1; justify-content:center; gap:8px; font-size:14px; font-weight:750; }.mountain-nav a { border-radius:999px; padding:8px 14px; color:var(--muted); white-space:nowrap; }.mountain-nav a.active,.mountain-nav a:hover { color:var(--accent); background:var(--accent-pale); }.mountain-header-spacer { min-width:170px; }
.mountain-shell { width:min(1220px,calc(100% - 48px)); margin:0 auto 72px; }.eyebrow { margin:0 0 8px; color:var(--accent); font-size:12px; font-weight:900; letter-spacing:.08em; }.mountain-index-hero { display:grid; grid-template-columns:minmax(0,1fr) minmax(280px,.65fr); gap:28px; align-items:end; border:1px solid var(--line); border-radius:12px; margin-top:30px; padding:30px; background:var(--panel); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.mountain-index-hero h1 { margin:0; font-size:38px; letter-spacing:.02em; }.mountain-index-hero > div > p:not(.eyebrow) { margin:10px 0 0; color:var(--muted); font-size:16px; line-height:1.8; }.mountain-index-hero .index-note { margin:0; border-left:3px solid #9bcdb5; padding-left:14px; color:var(--muted); font-size:13px; line-height:1.75; }
.mountain-search-panel { display:grid; grid-template-columns:185px minmax(0,1fr); gap:10px 24px; align-items:center; border:1px solid var(--line); border-radius:12px; margin-top:18px; padding:20px 24px; background:var(--panel); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.mountain-search-panel h2 { margin:0; font-size:21px; }.mountain-search-input { position:relative; display:block; }.mountain-search-input input { width:100%; min-height:46px; border:1px solid var(--line); border-radius:8px; padding:0 48px 0 14px; color:var(--ink); background:#fbfdfc; font:inherit; font-weight:700; }.mountain-search-input input:focus { border-color:#8fc8aa; outline:3px solid rgb(15 107 72 / 12%); }.mountain-search-input > span:last-child { position:absolute; right:15px; top:9px; color:var(--accent); font-size:24px; pointer-events:none; }.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }.mountain-search-status { grid-column:2; margin:0; color:var(--muted); font-size:12px; }
.hyakumeizan-link-panel { display:flex; align-items:center; justify-content:space-between; gap:24px; border:1px solid #cfe0d6; border-radius:12px; margin-top:18px; padding:22px 24px; background:linear-gradient(100deg,#f7fcf8,#edf8f1); box-shadow:0 8px 22px rgb(17 37 29 / 5%); }.hyakumeizan-link-panel h2 { margin:0; font-size:22px; }.hyakumeizan-link-panel p:not(.eyebrow) { margin:8px 0 0; color:var(--muted); font-size:14px; }.mountain-directory-links { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:9px; }.hyakumeizan-link-panel a { display:inline-flex; flex:0 0 auto; align-items:center; gap:10px; border:1px solid #81bfa0; border-radius:999px; padding:11px 16px; color:var(--accent-dark); background:#fff; font-size:15px; font-weight:850; }.hyakumeizan-link-panel a:hover { color:#fff; border-color:var(--accent); background:var(--accent); }.hyakumeizan-link-panel b { font-size:22px; line-height:.7; }
.mountain-list-page { padding-top:8px; }.hyakumeizan-hero { border:1px solid var(--line); border-radius:12px; padding:30px; background:var(--panel); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.hyakumeizan-hero h1 { margin:0; font-size:38px; letter-spacing:.02em; }.hyakumeizan-hero p:not(.eyebrow) { max-width:780px; margin:10px 0 0; color:var(--muted); line-height:1.8; }.hyakumeizan-tools { display:grid; gap:14px; border:1px solid var(--line); border-radius:12px; margin-top:18px; padding:22px 24px; background:var(--panel); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.hyakumeizan-tool-heading { display:flex; align-items:center; justify-content:space-between; gap:12px; }.hyakumeizan-tool-heading h2 { margin:0; font-size:22px; }.hyakumeizan-tool-heading span { color:var(--muted); font-size:13px; font-weight:750; }.region-filter { display:flex; flex-wrap:wrap; gap:8px; }.region-filter button { cursor:pointer; border:1px solid var(--line); border-radius:999px; padding:8px 13px; color:var(--muted); background:#fff; font:inherit; font-size:14px; font-weight:800; }.region-filter button:hover,.region-filter button.is-active { color:var(--accent-dark); border-color:#9bcdb5; background:var(--accent-pale); }.hyakumeizan-tools .mountain-search-status { grid-column:auto; }.hyakumeizan-published { margin-top:18px; }.upcoming-section { border:1px dashed #b8cec0; border-radius:12px; margin-top:18px; padding:26px; background:rgb(255 255 255 / 68%); }.upcoming-section h2 { margin:0; font-size:23px; }.upcoming-section > p:not(.eyebrow) { margin:9px 0 0; color:var(--muted); line-height:1.7; }.upcoming-placeholder { display:flex; align-items:center; gap:12px; margin-top:18px; border:1px solid var(--line); border-radius:9px; padding:16px; color:var(--muted); background:#fff; }.upcoming-placeholder strong { border-radius:999px; padding:6px 10px; color:#8d5a00; background:#fff5dc; font-size:13px; }
.hyakumeizan-basic-directory { border:1px solid var(--line); border-radius:12px; margin-top:18px; padding:24px; background:rgb(255 255 255 / 88%); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.basic-directory-intro { margin:0 0 18px; color:var(--muted); font-size:14px; line-height:1.75; }.hyakumeizan-basic-list { display:grid; gap:8px; }.hyakumeizan-basic-row { display:grid; grid-template-columns:56px minmax(180px,1.2fr) minmax(300px,1fr) auto; gap:16px; align-items:center; border:1px solid var(--line); border-radius:9px; padding:14px 16px; background:#fff; }.basic-order { color:var(--accent); font-size:14px; font-weight:900; letter-spacing:.06em; }.hyakumeizan-basic-row h3 { margin:0; font-size:18px; }.hyakumeizan-basic-row > div > p { margin:4px 0 0; color:var(--muted); font-size:13px; }.hyakumeizan-basic-row dl { display:flex; flex-wrap:wrap; gap:12px 28px; margin:0; }.hyakumeizan-basic-row dl div { display:grid; gap:3px; }.hyakumeizan-basic-row dt { color:var(--muted); font-size:12px; font-weight:750; }.hyakumeizan-basic-row dd { margin:0; font-size:14px; font-weight:800; }.basic-status { justify-self:end; border-radius:999px; padding:6px 9px; color:#8d5a00; background:#fff5dc; font-size:12px; font-weight:850; white-space:nowrap; }
.collection-groups { display:grid; gap:18px; margin-top:18px; }.collection-group { border:1px solid var(--line); border-radius:12px; padding:24px; background:rgb(255 255 255 / 88%); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.collection-group-heading { margin-bottom:18px; }.collection-group h2 { margin:0; font-size:24px; }.collection-group-heading > p:not(.eyebrow) { margin:8px 0 0; color:var(--muted); font-size:14px; }.collection-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }.collection-card { display:flex; flex-direction:column; align-items:flex-start; min-height:168px; border:1px solid var(--line); border-radius:10px; padding:18px; background:#fff; }.collection-card.is-published { color:var(--ink); transition:transform .16s ease,box-shadow .16s ease; }.collection-card.is-published:hover { transform:translateY(-2px); box-shadow:0 12px 24px rgb(17 37 29 / 11%); }.collection-card.is-preparing { background:#fbfdfc; }.collection-status { border-radius:999px; padding:5px 8px; color:var(--accent-dark); background:var(--accent-pale); font-size:12px; font-weight:850; }.is-preparing .collection-status { color:#8d5a00; background:#fff5dc; }.collection-card h3 { margin:12px 0 7px; font-size:19px; }.collection-card p { margin:0; color:var(--muted); font-size:13px; line-height:1.65; }.collection-card b { margin-top:auto; padding-top:14px; color:var(--accent); font-size:14px; }.is-preparing b { color:var(--muted); font-weight:700; }.collection-load-error { border:1px solid #f0caca; border-radius:10px; padding:18px; color:#a43d3d; background:#fff5f5; }
.published-section { border:1px solid var(--line); border-radius:12px; margin-top:18px; padding:24px; background:rgb(255 255 255 / 88%); box-shadow:0 8px 22px rgb(17 37 29 / 7%); }.section-heading { display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:18px; }.section-heading h2 { margin:0; font-size:24px; }.section-heading > span { color:var(--muted); font-size:13px; font-weight:750; }.mountain-card-list { display:grid; grid-template-columns:1fr; gap:16px; }.mountain-card { display:grid; grid-template-columns:minmax(300px,34%) 1fr; overflow:hidden; min-height:232px; border:1px solid var(--line); border-radius:9px; background:var(--panel); transition:transform .16s ease,box-shadow .16s ease; }.mountain-card[hidden] { display:none; }.mountain-card:hover { transform:translateY(-2px); box-shadow:0 15px 35px rgb(17 37 29 / 12%); }.mountain-card img { width:100%; height:100%; min-height:232px; object-fit:cover; }.mountain-card-body { display:flex; flex-direction:column; justify-content:center; padding:24px 30px; }.card-kicker { margin:0; color:var(--accent); font-size:14px; font-weight:850; }.mountain-card h3 { margin:7px 0 0; font-size:34px; }.reading { margin:4px 0 17px; color:var(--muted); font-size:16px; font-weight:750; }.mountain-card dl { display:flex; flex-wrap:wrap; gap:12px 38px; margin:0; }.mountain-card dl div { display:grid; gap:4px; }.mountain-card dt { color:var(--muted); font-size:13px; font-weight:750; }.mountain-card dd { margin:0; font-size:18px; font-weight:850; }.card-link { display:inline-flex; align-self:flex-start; align-items:center; gap:9px; margin-top:19px; border:1px solid #81bfa0; border-radius:999px; padding:9px 15px; color:var(--accent-dark); background:#fff; font-size:15px; font-weight:850; transition:background .16s ease,color .16s ease,border-color .16s ease; }.mountain-card:hover .card-link { border-color:var(--accent); color:#fff; background:var(--accent); }.card-link b,.risk-cta b,.inline-risk-cta b { font-size:22px; line-height:.7; }
.mountain-detail { padding-top:8px; }.breadcrumb { display:flex; flex-wrap:wrap; gap:10px; align-items:center; margin-bottom:12px; color:var(--muted); font-size:13px; font-weight:700; }.breadcrumb a { color:var(--accent); }.collection-return-link { display:inline-flex; align-items:center; margin:0 0 14px; border:1px solid #9bcdb5; border-radius:999px; padding:8px 13px; color:var(--accent-dark); background:#fff; font-size:13px; font-weight:850; }.collection-return-link:hover { color:#fff; border-color:var(--accent); background:var(--accent); }.fuji-hero { display:grid; grid-template-columns:55% 45%; align-items:stretch; overflow:hidden; border:1px solid var(--line); border-radius:12px; background:var(--panel); box-shadow:0 10px 28px rgb(17 37 29 / 8%); }.fuji-hero > img { display:block; align-self:stretch; width:100%; height:100%; min-height:100%; object-fit:cover; }.fuji-hero-copy { display:flex; flex-direction:column; min-height:390px; padding:34px; }.fuji-hero-copy h1 { margin:0; color:var(--accent-dark); font-size:52px; letter-spacing:.05em; }.fuji-hero-copy .reading { font-size:18px; }.hero-facts { display:grid; gap:11px; margin:18px 0; font-size:17px; font-weight:750; }.hero-facts b { font-size:28px; }.tag-row { display:flex; flex-wrap:wrap; gap:8px; }.tag-row span { border-radius:7px; padding:7px 10px; color:var(--accent-dark); background:var(--accent-pale); font-size:14px; font-weight:800; }.risk-cta { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-top:26px; border-radius:8px; padding:15px 17px; color:#fff; background:linear-gradient(90deg,var(--accent-dark),#0f8057); font-size:17px; font-weight:850; }.risk-cta small { display:block; margin-top:3px; opacity:.82; font-size:11px; font-weight:600; }
.know-section,.detail-section,.detail-toc { margin-top:28px; border:1px solid var(--line); border-radius:18px; padding:26px; background:rgb(255 255 255 / 84%); box-shadow:0 10px 30px rgb(17 37 29 / 5%); }.know-section { background:linear-gradient(135deg,#f5fbf7,#eef7f1); }.know-section h2,.detail-section h2 { margin:0 0 18px; color:var(--accent-dark); font-size:24px; }.know-list { border:1px solid var(--line); border-radius:13px; overflow:hidden; background:#fff; }.know-list article { display:grid; grid-template-columns:62px 1fr; gap:16px; align-items:center; padding:16px 20px; border-bottom:1px solid var(--line); }.know-list article:last-child { border-bottom:0; }.risk-icon { display:grid; place-items:center; width:46px; height:46px; border-radius:50%; color:var(--accent); background:var(--accent-pale); font-size:28px; font-weight:850; }.know-list h3 { margin:0 0 4px; font-size:19px; }.know-list p,.detail-section p { margin:0; color:#4c6258; line-height:1.8; }.detail-toc { display:flex; flex-wrap:wrap; align-items:center; gap:13px 27px; padding:19px 26px; }.detail-toc strong { font-size:21px; color:var(--accent-dark); }.detail-toc a { color:var(--accent-dark); font-weight:800; }.detail-toc a:hover { color:var(--accent); text-decoration:underline; }.facts-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }.facts-grid article { display:grid; gap:7px; min-height:96px; align-content:center; border:1px solid var(--line); border-radius:11px; padding:16px; background:var(--panel); }.facts-grid span { color:var(--muted); font-size:13px; font-weight:750; }.facts-grid strong { font-size:18px; }.feature-copy { margin-top:24px; border-top:1px solid var(--line); padding-top:20px; }.feature-copy h3 { margin:0 0 9px; color:var(--accent-dark); font-size:19px; }.season-panel { border-left:4px solid #dba530; padding:4px 0 4px 17px; }.season-legend { display:flex; flex-wrap:wrap; gap:10px; margin-top:16px; }.season-legend span { border-radius:999px; padding:7px 12px; font-size:13px; font-weight:800; }.season-open { color:var(--accent-dark); background:var(--accent-pale); }.season-caution { color:#8d5a00; background:#fff5dc; }.section-intro { margin-bottom:16px !important; }.route-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:11px; }.route-grid article { border:1px solid var(--line); border-radius:10px; padding:16px; background:var(--panel); }.route-grid h3 { margin:0 0 6px; color:var(--accent-dark); }.unique-section { background:linear-gradient(135deg,#fff,#f1f8f4); }.unique-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }.unique-grid article { position:relative; overflow:hidden; border:1px solid var(--line); border-radius:11px; padding:19px; background:#fff; }.unique-grid article > span { display:inline-grid; place-items:center; min-width:34px; min-height:26px; border-radius:999px; padding:0 9px; color:var(--accent-dark); background:var(--accent-pale); font-size:12px; font-weight:900; }.unique-grid h3 { margin:13px 0 7px; color:var(--accent-dark); font-size:18px; }.unique-grid p { font-size:14px; }.inline-risk-cta { display:inline-flex; gap:8px; align-items:center; margin-top:18px; color:var(--accent); font-weight:850; }.official-section ul { display:grid; gap:11px; margin:0; padding:0; list-style:none; }.official-section li { border:1px solid var(--line); border-radius:10px; padding:14px 16px; background:#fff; }.official-section a { color:var(--accent-dark); font-weight:850; }.official-section a span { margin-left:6px; }.official-section li p { margin-top:5px; font-size:14px; }.image-credit { margin:20px 0 0; color:var(--muted); font-size:12px; line-height:1.7; }
@media (max-width:980px) { .mountain-header,.mountain-shell { width:min(100% - 28px,760px); }.mountain-header { flex-direction:column; align-items:flex-start; gap:14px; }.mountain-header-spacer { display:none; }.mountain-nav { width:100%; justify-content:flex-start; overflow-x:auto; font-size:14px; }.mountain-brand { min-width:0; }.mountain-brand-title { font-size:28px; }.mountain-index-hero { grid-template-columns:1fr; gap:18px; margin-top:18px; }.mountain-search-panel { grid-template-columns:1fr; gap:12px; }.mountain-search-status { grid-column:auto; }.fuji-hero { grid-template-columns:1fr; }.fuji-hero > img { height:280px; }.fuji-hero-copy { min-height:0; padding:28px; }.fuji-hero-copy h1 { font-size:48px; }.facts-grid { grid-template-columns:repeat(2,1fr); }.unique-grid { grid-template-columns:1fr; }.mountain-card-list { grid-template-columns:1fr; }.mountain-card { grid-template-columns:220px 1fr; }.mountain-card img { min-height:200px; max-height:none; }.mountain-card-body { padding:22px; }.collection-grid { grid-template-columns:repeat(2,1fr); }.hyakumeizan-basic-row { grid-template-columns:52px minmax(180px,1fr) minmax(220px,1fr); }.basic-status { justify-self:start; } }
@media (max-width:560px) { .mountain-header,.mountain-shell { width:calc(100% - 28px); }.mountain-brand { gap:10px; }.mountain-brand-title { font-size:24px; letter-spacing:-.025em; }.mountain-nav { gap:5px; }.mountain-nav a { padding:7px 10px; }.mountain-index-hero { padding:22px; }.mountain-index-hero h1 { font-size:33px; }.mountain-index-hero > div > p:not(.eyebrow) { font-size:15px; }.mountain-search-panel,.published-section,.know-section,.detail-section { padding:18px; }.section-heading h2 { font-size:22px; }.fuji-hero-copy h1 { font-size:42px; }.hero-facts { font-size:16px; }.hero-facts b { font-size:26px; }.know-list article { grid-template-columns:44px 1fr; gap:11px; padding:14px; }.risk-icon { width:38px; height:38px; font-size:22px; }.know-list h3 { font-size:17px; }.know-list p,.detail-section p { font-size:14px; }.detail-toc { gap:12px 18px; padding:16px 18px; }.detail-toc strong { width:100%; }.facts-grid { grid-template-columns:1fr; }.route-grid { grid-template-columns:1fr; }.mountain-card { grid-template-columns:1fr; }.mountain-card img { min-height:200px; max-height:250px; }.risk-cta { padding:15px 16px; font-size:16px; }.risk-cta small { font-size:11px; }.hyakumeizan-link-panel { align-items:flex-start; flex-direction:column; padding:20px; }.mountain-directory-links { justify-content:flex-start; }.hyakumeizan-hero { padding:22px; }.hyakumeizan-hero h1 { font-size:33px; }.hyakumeizan-tools,.upcoming-section,.collection-group,.hyakumeizan-basic-directory { padding:18px; }.hyakumeizan-tool-heading { align-items:flex-start; flex-direction:column; }.region-filter { gap:7px; }.region-filter button { padding:8px 11px; font-size:13px; }.upcoming-placeholder { align-items:flex-start; flex-direction:column; }.collection-grid { grid-template-columns:1fr; }.hyakumeizan-basic-row { grid-template-columns:44px 1fr; gap:10px; padding:14px; }.hyakumeizan-basic-row dl { grid-column:2; gap:10px 18px; }.basic-status { grid-column:2; justify-self:start; } }