:root{--ink:#19161b;--muted:#6f6872;--paper:#f5f1ec;--surface:#fffdf9;--line:#ded7d0;--accent:#b82945;--accent-dark:#7f1730;--gold:#c99b4a;--night:#141116;--radius:18px;--shadow:0 18px 50px rgba(37, 25, 30, 0.09);--shell:min(1180px, calc(100% - 40px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:yu gothic,hiragino kaku gothic pron,noto sans jp,sans-serif;line-height:1.7;text-rendering:optimizeLegibility}a{color:inherit}button,input,select{font:inherit}img{display:block;max-width:100%}.shell{width:var(--shell);margin-inline:auto}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 14px;color:#fff;background:var(--accent-dark);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.disclosure-bar{padding:6px 20px;color:#e4dfe2;background:var(--night);font-size:12px;letter-spacing:.06em;text-align:center}.site-header{position:sticky;z-index:50;top:0;border-bottom:1px solid rgba(222,215,208,.85);background:rgba(245,241,236,.94);backdrop-filter:blur(14px)}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none}.brand-mark{width:41px;height:41px;display:grid;place-items:center;color:#fff;background:var(--accent);border-radius:50% 50% 50% 8px;font-family:Georgia,serif;font-size:25px;font-style:italic}.brand strong{display:block;font-family:Georgia,times new roman,serif;font-size:20px;line-height:1}.brand small{display:block;margin-top:5px;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.22em}.main-nav{display:flex;align-items:center;gap:4px}.main-nav a{padding:10px 13px;border-radius:999px;color:#504951;font-size:14px;font-weight:700;text-decoration:none}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--accent-dark);background:#fff}.nav-toggle{display:none}.eyebrow{display:inline-block;color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.2em}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid transparent;border-radius:999px;font-weight:800;text-decoration:none;cursor:pointer}.button.primary{color:#fff;background:var(--accent);box-shadow:0 10px 30px rgba(184,41,69,.3)}.button.primary:hover{background:#cc3553}.button.secondary{color:var(--ink);border-color:var(--line);background:#fff}.text-link{color:var(--accent-dark);font-weight:800;text-decoration:none}.section-block{padding-block:82px}.home-catalog-section{padding-top:38px}.home-catalog-section h1{margin:6px 0 0;font-family:Georgia,yu mincho,serif;font-size:clamp(30px,4vw,44px);font-weight:500;line-height:1.3}.catalog-summary{margin:8px 0 0;color:var(--muted);font-size:13px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-heading h2,.method-grid h2{margin:6px 0 0;font-family:Georgia,yu mincho,serif;font-size:clamp(30px,4vw,45px);font-weight:500;line-height:1.3}.section-heading>p{max-width:340px;margin:0;color:var(--muted);font-size:13px}.home-catalog-actions{display:flex;align-items:end;gap:18px}.home-catalog-actions .text-link{white-space:nowrap}.home-sort-control{display:block;width:min(240px,100%)}.home-sort-control span{display:block;margin-bottom:7px;color:var(--muted);font-size:12px;font-weight:700}.home-sort-status{margin:-14px 0 24px;color:var(--muted);font-size:13px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product-card{position:relative;min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);transition:transform .2s ease,box-shadow .2s ease}.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.product-topline{position:absolute;z-index:2;top:12px;left:12px;right:12px;display:flex;justify-content:space-between}.rank-number{width:34px;height:34px;display:grid;place-items:center;color:#fff;border-radius:50%;background:var(--night);font-family:Georgia,serif}.badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#fff;font-size:10px;font-weight:900;box-shadow:0 4px 12px rgba(0,0,0,8%)}.badge.up{color:#14764a}.badge.down{color:#a73737}.badge.new{color:var(--accent-dark)}.badge.deleted{color:#fff;background:#6d666b}.badge.stay{color:var(--muted)}.product-visual{aspect-ratio:16/10;display:grid;place-items:center;overflow:hidden;color:rgba(255,255,255,.45);background:radial-gradient(circle at 70% 30%,rgba(184,41,69,.65),transparent 30%),linear-gradient(135deg,#2c2229,#151116);font-family:Georgia,serif;font-size:14px;letter-spacing:.28em}.product-visual img{width:100%;height:100%;object-fit:cover}.product-body{padding:18px 18px 14px}.seller{overflow:hidden;margin:0 0 7px;color:var(--accent);font-size:11px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.product-card h3{min-height:4.8em;margin:0;font-size:14px;line-height:1.6}.product-card h3 a{text-decoration:none}.product-meta{display:flex;flex-wrap:wrap;align-items:center;gap:7px 10px;margin-top:14px;color:var(--muted);font-size:11px}.product-meta strong{color:var(--ink);font-family:Georgia,serif;font-size:20px}.price-drop{color:#14764a;font-weight:900}.price-rise{color:#a73737;font-weight:900}.firsthand-note{margin-top:14px;padding:12px;border-left:3px solid var(--accent);border-radius:0 8px 8px 0;background:#f4ecec}.firsthand-note>span{display:block;margin-bottom:4px;color:var(--accent-dark);font-size:10px;font-weight:900;letter-spacing:.08em}.firsthand-note strong{display:block;font-size:12px;line-height:1.55}.firsthand-note p{display:-webkit-box;overflow:hidden;margin:5px 0;color:var(--muted);font-size:11px;line-height:1.6;-webkit-box-orient:vertical;-webkit-line-clamp:3}.firsthand-note time{color:var(--muted);font-size:10px}.card-actions{display:grid;grid-template-columns:1fr auto;border-top:1px solid var(--line)}.card-link{display:flex;align-items:center;justify-content:center;min-width:0;padding:12px 14px;color:var(--accent-dark);font-size:12px;font-weight:800;text-decoration:none}.card-link.detail{justify-content:flex-start}.card-link.official{border-left:1px solid var(--line);gap:5px}.card-link.disabled{color:var(--muted);background:#eeeae5}.product-card.is-ended{background:#f2efeb}.product-card.is-ended .product-visual img{opacity:.55;filter:grayscale(1)}.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;padding-top:34px;color:var(--muted);font-size:12px}.breadcrumb a{color:var(--accent-dark);font-weight:800;text-decoration:none}.product-detail{padding-bottom:90px}.product-detail-hero{display:grid;grid-template-columns:minmax(0,1.05fr)minmax(360px,.95fr);gap:56px;align-items:center;padding:34px 0 68px}.product-detail-media{overflow:hidden;aspect-ratio:16/11;border-radius:22px;background:var(--night);box-shadow:var(--shadow)}.product-detail-media img{width:100%;height:100%;object-fit:cover}.product-detail-placeholder{width:100%;height:100%;display:grid;place-items:center;color:rgba(255,255,255,.5);background:radial-gradient(circle at 70% 30%,rgba(184,41,69,.65),transparent 30%),linear-gradient(135deg,#2c2229,#151116);font-family:Georgia,serif;letter-spacing:.25em}.product-detail-copy{min-width:0}.product-detail-status{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;color:var(--muted);font-size:11px}.product-detail-copy .seller{margin-bottom:9px;font-size:12px}.product-detail-copy h1{overflow-wrap:anywhere;margin:0;font-family:Georgia,yu mincho,serif;font-size:clamp(30px,4.4vw,52px);font-weight:500;line-height:1.28}.product-detail-price{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 14px;margin-top:25px;color:var(--muted);font-size:12px}.product-detail-price strong{color:var(--ink);font-family:Georgia,serif;font-size:34px}.product-price-change{margin:7px 0 0;font-size:13px}.product-official-button{gap:9px;margin-top:26px}.product-ended-notice{margin-top:26px;padding:14px 16px;border-radius:10px;color:var(--muted);background:#e9e3de;font-size:13px;font-weight:800}.product-detail-copy .snapshot-note{margin:14px 0 0;line-height:1.7}.product-detail-section{margin-top:74px}.product-facts{display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;margin:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.product-facts>div{min-width:0;padding:19px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.product-facts>div:nth-child(3n){border-right:0}.product-facts dt{color:var(--muted);font-size:10px;font-weight:800;letter-spacing:.05em}.product-facts dd{overflow-wrap:anywhere;margin:5px 0 0;font-size:13px;font-weight:800}.product-history-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.product-history-table{width:100%;border-collapse:collapse}.product-history-table th,.product-history-table td{padding:16px 19px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.product-history-table thead th{color:var(--muted);background:#ece7e1;font-size:10px;letter-spacing:.05em}.product-history-table tbody th{color:var(--accent-dark);font-size:13px}.product-history-table tbody td{color:var(--muted);font-size:12px}.product-history-table tr:last-child th,.product-history-table tr:last-child td{border-bottom:0}.product-history-empty{margin:0;padding:28px;border:1px dashed #c8beb7;border-radius:var(--radius);color:var(--muted);background:rgba(255,255,255,.45);font-size:13px}.price-observation-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}.price-observation-summary>div{padding:20px 22px;border-radius:14px;background:var(--surface)}.price-observation-summary span{display:block;color:var(--muted);font-size:10px;font-weight:800}.price-observation-summary strong{display:block;margin-top:6px;font-family:Georgia,serif;font-size:24px}.price-history-list{overflow:hidden;margin:0;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);list-style:none}.price-history-list li{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 20px;border-bottom:1px solid var(--line)}.price-history-list li:last-child{border-bottom:0}.price-history-list time{color:var(--muted);font-size:12px}.price-history-list strong{font-family:Georgia,serif;font-size:16px}.product-sample-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.product-sample-grid img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:var(--night)}.product-note-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.product-note-list .firsthand-entry{color:var(--ink);border-color:var(--line);background:var(--surface)}.product-note-list .firsthand-entry>p:not(.firsthand-date){color:var(--muted)}.product-directory-note{max-width:720px;margin:0}.product-directory-note .button{margin-top:18px}.insight-section{background:#eae4dd}.firsthand-section{color:#fff;background:var(--night)}.home-trend-section{background:#eae4dd}.home-trend-list{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:0;padding:0;list-style:none}.home-trend-list li{display:grid;align-content:space-between;min-width:0;padding:18px;border-radius:12px;background:var(--surface)}.home-trend-list li>span{color:#14764a;font-family:Georgia,serif;font-size:22px;font-weight:800}.home-trend-list strong{display:-webkit-box;overflow:hidden;margin-top:12px;font-size:12px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:3}.home-trend-list small{display:block;margin-top:6px;color:var(--muted);font-size:10px}.home-trend-list a{margin-top:14px;color:var(--accent-dark);font-size:10px;font-weight:900;text-decoration:none}.firsthand-section .section-heading p,.firsthand-section .text-link{color:#d7cbd1}.firsthand-section .eyebrow{color:#e4a9b5}.firsthand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.firsthand-entry{padding:24px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:rgba(255,255,255,6%)}.firsthand-entry h3{margin:7px 0 10px;font-size:18px}.firsthand-entry>p:not(.firsthand-date){color:#d7cbd1;font-size:13px;line-height:1.75}.firsthand-entry>div{display:grid;gap:5px;margin-top:18px;padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:11px}.firsthand-entry a{color:#fff;font-weight:800}.firsthand-date{margin:0;color:#e4a9b5;font-size:11px;font-weight:800}.firsthand-list{display:grid;gap:18px;max-width:900px;padding-bottom:80px}.firsthand-list .firsthand-entry{color:var(--ink);border-color:var(--line);background:var(--surface)}.firsthand-list .firsthand-entry>p:not(.firsthand-date){color:var(--muted)}.firsthand-list .firsthand-entry>div{border-color:var(--line)}.firsthand-list .firsthand-entry a{color:var(--accent-dark)}.trend-section{margin-top:64px}.trend-section:first-of-type{margin-top:0}.compact-heading{margin-bottom:18px}.compact-heading h2{margin:5px 0 0;font-family:Georgia,yu mincho,serif;font-size:clamp(25px,3vw,36px);font-weight:500}.trend-columns{display:grid;grid-template-columns:1fr 1fr;gap:14px}.trend-panel{overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.trend-panel>h3{display:flex;align-items:center;gap:8px;margin:0;padding:17px 20px;border-bottom:1px solid var(--line);font-size:14px}.trend-arrow{width:25px;height:25px;display:inline-grid;place-items:center;border-radius:50%;color:#fff;font-size:12px}.trend-arrow.up{background:#14764a}.trend-arrow.down{background:#a73737}.trend-list{margin:0;padding:0;list-style:none}.trend-list li{display:grid;grid-template-columns:72px minmax(0,1fr)24px;gap:12px;align-items:center;padding:15px 18px;border-bottom:1px solid var(--line)}.trend-list li:last-child{border-bottom:0}.trend-list div{min-width:0}.trend-list strong{display:block;overflow:hidden;font-size:12px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}.trend-list small{display:block;margin-top:3px;overflow:hidden;color:var(--muted);font-size:10px;text-overflow:ellipsis;white-space:nowrap}.trend-list a{color:var(--accent-dark);font-weight:900;text-decoration:none}.trend-value{font-family:Georgia,serif;font-size:17px;font-weight:800}.trend-value.up{color:#14764a}.trend-value.down{color:#a73737}.trend-empty{margin:0;padding:28px 20px;color:var(--muted);font-size:12px}.methodology-note{margin-top:64px;padding:26px 30px;border-left:4px solid var(--accent);background:#eae4dd}.methodology-note h2{margin:0 0 8px;font-size:18px}.methodology-note p{margin:0;color:var(--muted);font-size:13px;line-height:1.8}.price-bands{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.price-band{position:relative;overflow:hidden;padding:23px;border-radius:14px;background:var(--surface)}.price-band span{color:var(--muted);font-size:12px}.price-band strong{display:block;margin-top:8px;font-family:Georgia,serif;font-size:30px}.price-band small{margin-left:3px;font-family:sans-serif;font-size:11px}.price-band i{position:absolute;left:0;bottom:0;width:var(--value);max-width:100%;height:4px;background:var(--accent)}.method-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.method-list{border-top:1px solid var(--line)}.method-list>div{display:grid;grid-template-columns:120px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.method-list b{color:var(--accent-dark)}.method-list p{margin:0;color:var(--muted)}.page-header{max-width:820px;padding:38px 0 34px}.page-header.compact{padding-top:58px}.page-header h1{margin:8px 0 14px;font-family:Georgia,yu mincho,serif;font-size:clamp(42px,6vw,68px);font-weight:500;line-height:1.15}.page-header p{color:var(--muted);font-size:16px}.snapshot-note{color:var(--muted);font-size:12px}.tab-bar{display:flex;gap:7px;margin-bottom:20px;padding:5px;border:1px solid var(--line);border-radius:999px;background:#ebe6e0;width:fit-content}.tab-button{padding:10px 18px;border:0;border-radius:999px;color:var(--muted);background:0 0;font-size:13px;font-weight:800;cursor:pointer}.tab-button.active{color:#fff;background:var(--night)}.tab-panel{display:none}.tab-panel.active{display:block}.filter-field{max-width:480px;display:block;margin-bottom:24px}.filter-field span,.search-controls label>span{display:block;margin-bottom:7px;color:var(--muted);font-size:12px;font-weight:700}input,select{width:100%;min-height:48px;padding:0 14px;border:1px solid var(--line);border-radius:10px;color:var(--ink);background:var(--surface);outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(184,41,69,.1)}.seller-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.seller-table{width:100%;border-collapse:collapse}.seller-table th,.seller-table td{padding:17px 20px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.seller-table thead th{color:var(--muted);background:#ece7e1;font-size:11px;letter-spacing:.05em}.seller-table tbody th{min-width:280px}.seller-table tbody td{color:var(--muted);font-size:13px}.seller-table tr:last-child th,.seller-table tr:last-child td{border-bottom:0}.search-controls{display:grid;grid-template-columns:2fr repeat(4,minmax(120px,1fr));gap:12px;align-items:end;margin-bottom:20px}.search-status{margin:16px 0 24px;color:var(--muted);font-size:13px}.empty-state{grid-column:1/-1;padding:55px 25px;border:1px dashed #c8beb7;border-radius:var(--radius);color:var(--muted);text-align:center;background:rgba(255,255,255,.45)}.empty-state h2{margin:8px 0;color:var(--ink);font-size:20px}.empty-icon{color:var(--accent);font-size:32px}.empty-state code{padding:2px 6px;color:var(--accent-dark);background:#eee5e5;border-radius:4px}.link-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:50px}.guide-link{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--surface);text-decoration:none}.guide-link strong{display:block;margin-bottom:7px;color:var(--accent-dark)}.guide-link span{color:var(--muted);font-size:13px}.guide-link:hover{box-shadow:var(--shadow)}.prose-page{padding-bottom:90px}.prose{max-width:820px;padding:36px 44px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.prose h2{margin:2.2em 0 .7em;font-family:Georgia,yu mincho,serif;font-size:28px;font-weight:500}.prose h2:first-child{margin-top:0}.prose a{color:var(--accent-dark);font-weight:700}.prose code{padding:2px 6px;border-radius:4px;background:#eee8e2}.site-footer{padding:50px 0;color:#aaa0a7;background:var(--night);font-size:12px}.footer-grid{display:grid;grid-template-columns:1fr auto;gap:50px}.footer-grid p{max-width:620px;margin:8px 0}.footer-brand{color:#fff;font-family:Georgia,serif;font-size:20px}.footer-links{display:grid;gap:8px;align-content:start}.footer-links a{text-decoration:none}.muted{color:var(--muted)}@media(max-width:980px){.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-detail-hero{grid-template-columns:1fr 1fr;gap:32px}.product-facts{grid-template-columns:repeat(2,1fr)}.product-facts>div:nth-child(3n){border-right:1px solid var(--line)}.product-facts>div:nth-child(2n){border-right:0}.home-trend-list{grid-template-columns:repeat(3,1fr)}.search-controls{grid-template-columns:1fr 1fr}}@media(max-width:760px){:root{--shell:min(100% - 28px, 1180px)}.header-inner{min-height:66px}.nav-toggle{display:block;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px;font-weight:800}.main-nav{position:absolute;top:66px;left:14px;right:14px;display:none;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--surface);box-shadow:var(--shadow)}.main-nav.open{display:grid}.main-nav a{border-radius:8px}.section-block{padding-block:58px}.home-catalog-section{padding-top:28px}.section-heading{align-items:start}.home-catalog-actions{align-items:start;flex-direction:column}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-detail-hero{grid-template-columns:1fr;padding-bottom:48px}.product-detail-media{max-width:640px}.product-sample-grid{grid-template-columns:repeat(2,1fr)}.product-note-list{grid-template-columns:1fr}.price-bands{grid-template-columns:1fr 1fr}.method-grid{grid-template-columns:1fr;gap:30px}.firsthand-grid{grid-template-columns:1fr}.trend-columns{grid-template-columns:1fr}.home-trend-list{grid-template-columns:1fr 1fr}.link-grid{grid-template-columns:1fr}.search-controls{grid-template-columns:1fr 1fr}.prose{padding:28px 22px}.footer-grid{grid-template-columns:1fr;gap:20px}}@media(max-width:500px){.product-grid{grid-template-columns:1fr}.home-trend-list{grid-template-columns:1fr}.product-card{display:grid;grid-template-columns:112px 1fr}.product-visual{grid-row:1/span 2;aspect-ratio:auto;min-height:180px}.product-topline{right:auto}.product-body{padding:18px 14px 10px}.product-card h3{min-height:0}.card-link{grid-column:2;padding:10px 14px}.card-actions{grid-column:2}.card-actions .card-link{grid-column:auto}.product-facts,.price-observation-summary{grid-template-columns:1fr}.product-facts>div,.product-facts>div:nth-child(3n){border-right:0}.product-sample-grid{grid-template-columns:1fr}.price-bands,.search-controls{grid-template-columns:1fr}.section-heading{display:block}.home-catalog-section h1{font-size:27px}.section-heading .text-link{display:inline-block;margin-top:12px}.home-catalog-actions{margin-top:22px}.home-sort-control{width:100%}.method-list>div{grid-template-columns:85px 1fr}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}