/* 既存 rich.css の色・書体・部品の型を、横長LP見本へ調整。 */
:root{color-scheme:light;--bg:#f5f3ec;--ink:#252820;--dim:#62665c;--accent:#984329;--surface:#eae8df;--line:#d9d9cf;--shadow:0 18px 40px #23281e15}
:root[data-theme=dark]{color-scheme:dark;--bg:#171c18;--ink:#f5f3ec;--dim:#b5beb1;--accent:#e8a386;--surface:#252d26;--line:#3e493e;--shadow:0 18px 40px #0004}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font-family:'Noto Sans JP',sans-serif;font-size:16px;line-height:1.8;-webkit-text-size-adjust:100%}button,select{font:inherit;color:inherit}button{border:0;cursor:pointer}a{color:inherit;text-underline-offset:5px}button,a,select{touch-action:manipulation;-webkit-tap-highlight-color:transparent}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button:disabled{opacity:.35;cursor:default}[hidden]{display:none!important}img{display:block;max-width:100%}.wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.eyebrow{font-size:12px;letter-spacing:.14em;font-weight:500;color:var(--dim);margin:0 0 14px}.skip{position:fixed;left:20px;top:12px;z-index:100;transform:translateY(-160%);padding:10px;background:var(--bg)}.skip:focus{transform:none}.enhanced{display:none}.js .enhanced{display:flex}.js .fallback-detail{display:none}
.masthead{display:flex;align-items:center;justify-content:space-between;padding-block:24px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-size:14px;font-weight:600;letter-spacing:.06em}.brand-mark{font-family:'Shippori Mincho',serif;font-size:34px;line-height:1.2}.brand small{display:block;font-size:10px;letter-spacing:.14em}.head-actions{display:flex;align-items:center;gap:26px;font-size:14px}.head-actions a{text-decoration:none}.icon-button{background:transparent;width:44px;height:44px;flex-shrink:0;align-items:center;justify-content:center;font-size:24px;border-radius:50%}.icon-button:hover{background:var(--surface)}
.hero{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center;padding-block:38px 86px}.hero h1{font-family:'Shippori Mincho',serif;font-weight:500;font-size:clamp(44px,5vw,64px);line-height:1.4;letter-spacing:-.06em;margin:0 0 26px}.hero h1 span{display:block;white-space:nowrap}.hero-description{font-size:16px;line-height:2;margin:0 0 27px;color:var(--dim)}.explore{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;background:var(--accent);color:var(--bg);border-radius:3px;padding:13px 24px;font-size:14px;font-weight:500;text-decoration:none;transition:transform .28s,opacity .28s}.explore:hover{transform:translateY(-3px);opacity:.9}.edition{font-size:12px;color:var(--dim);margin:24px 0 0;letter-spacing:.02em}.edition-sep{margin-inline:5px}.hero-art{min-width:0;display:block;text-decoration:none}.browser-window{display:block;overflow:hidden;border-radius:5px;box-shadow:var(--shadow);transition:transform .35s}.hero-art:hover .browser-window{transform:translateY(-5px)}.window-bar{display:flex;align-items:center;gap:5px;height:28px;padding:0 12px;background:var(--surface)}.window-bar i{width:5px;height:5px;background:var(--dim);opacity:.5;border-radius:50%}.window-bar span{font-size:9px;letter-spacing:.16em;color:var(--dim);margin:auto}.hero-art img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top}.art-caption{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--dim);padding-top:16px}
.gallery-section{scroll-margin-top:25px}.gallery-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.gallery-heading .eyebrow{margin-bottom:6px}h2{font-family:'Shippori Mincho',serif;font-weight:500;font-size:30px;letter-spacing:.03em;margin:0}.count{font-size:14px;color:var(--dim);margin:0 0 3px;white-space:nowrap}.count strong{font-size:26px;font-weight:500;color:var(--ink);margin-right:3px}.filter-panel{flex-direction:column;padding-bottom:32px;gap:12px}.filter-row{display:flex;align-items:center;gap:28px}.filter-label{font-size:14px;color:var(--dim);min-width:46px}.frow{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:8px 17px;min-height:44px;background:transparent;border-radius:3px;font-size:14px;color:var(--dim);transition:transform .24s,opacity .24s}.chip:hover{background:var(--surface)}.chip[aria-pressed=true]{background:var(--ink);color:var(--bg)}.chip:active{transform:scale(.96)}.filter-tools{display:flex;align-items:center;gap:26px;padding-left:74px}.select-label{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--dim);min-width:0}.select-label select{border:0;border-radius:0;background:transparent;color:var(--ink);padding:10px 18px 10px 0;font-size:14px;max-width:245px;cursor:pointer}.text-button{background:transparent;padding:8px 0;min-height:44px;color:var(--dim);font-size:14px;margin-left:auto}.text-button span{margin-left:8px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:52px 32px;min-height:260px}.card{min-width:0;position:relative;transition:transform .3s,opacity .3s}.js .card.reveal-pending{opacity:0;transform:translateY(16px)}.card:hover{transform:translateY(-4px)}.card-open{display:block;color:var(--ink);text-decoration:none}.card-visual{display:block;position:relative;overflow:hidden;border-radius:3px;background:var(--surface)}.card-visual img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top;transition:transform .35s}.card-open:hover img{transform:scale(1.02)}.card-arrow{position:absolute;bottom:14px;right:14px;width:36px;height:36px;display:grid;place-items:center;background:var(--bg);color:var(--ink);border-radius:50%;font-size:20px;opacity:0;transform:translateY(7px);transition:transform .28s,opacity .28s}.card-open:hover .card-arrow,.card-open:focus-visible .card-arrow{transform:none;opacity:1}.card-meta{display:flex;justify-content:space-between;gap:8px;margin:16px 0 5px;font-size:12px;color:var(--dim);letter-spacing:.025em}.card-title{display:block;font-family:'Shippori Mincho',serif;font-size:26px;font-weight:500;line-height:1.5}.card-description{display:block;font-size:16px;color:var(--dim);margin-top:7px}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px}.card-hero{font-size:13px;color:var(--dim)}.lp-link{font-size:14px;text-decoration:none;min-height:44px;display:inline-flex;align-items:center;color:var(--accent)}.lp-link:hover{text-decoration:underline}.fallback-detail{margin-top:12px;font-size:14px}.fallback-detail summary{cursor:pointer}.empty{padding:55px 0;text-align:center}.empty h3{font-family:'Shippori Mincho',serif;font-size:24px;font-weight:500}.empty p{color:var(--dim)}
.guide{padding-block:90px 70px;margin-top:38px}.guide ol{display:flex;justify-content:space-between;gap:24px;padding:0;margin:30px 0 0;list-style:none;font-size:16px}.guide li span{font-family:'Shippori Mincho',serif;font-size:26px;margin-right:14px;color:var(--accent)}.footer-line{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.footer-line p{font-size:14px}.footer-line>span{font-size:12px;letter-spacing:.1em}footer{padding-block:30px 42px;border-top:1px solid var(--line);font-size:13px;color:var(--dim)}footer p{margin:0}.credits{margin-top:18px;font-size:12px}.credits summary{cursor:pointer;min-height:40px}.credits ul{padding-left:20px;overflow-wrap:anywhere}.credits li{margin-bottom:8px}
.sheet{padding:0;color:var(--ink);background:var(--bg);border:0;border-radius:6px;width:min(1200px,calc(100vw - 64px));max-width:none;max-height:calc(100dvh - 48px);overflow:auto;overscroll-behavior:contain;box-shadow:var(--shadow)}.sheet::backdrop{background:#090f0cd9;backdrop-filter:blur(6px)}.sheet[open]{animation:dialog-in .3s ease}@keyframes dialog-in{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}.sh-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--bg);gap:16px}.sh-label{font-size:12px;letter-spacing:.12em;color:var(--dim)}.sh-controls{display:flex;gap:3px;align-items:center}.sh-position{font-size:12px;color:var(--dim);margin-inline:8px}.sh-cols{display:grid;grid-template-columns:1.35fr 1fr;gap:34px;padding:4px 30px 28px;align-items:start}.sh-preview-side{position:sticky;top:82px;min-width:0;padding:18px;background:var(--surface)}.preview-switch{display:flex;justify-content:center;gap:8px;margin-bottom:18px}.preview-frame{width:100%;margin:auto;box-shadow:var(--shadow)}.preview-frame img{width:100%;height:auto}.preview-frame[data-device=mobile]{max-width:230px}.sh-preview-note{font-size:12px;color:var(--dim);text-align:center;margin:17px 0 0}.detail-en{font-size:12px;color:var(--dim);margin:4px 0 8px}.detail-content h2{font-size:32px;line-height:1.5;margin:0 0 12px}.detail-best{font-size:16px;margin:0 0 22px}.kv{margin:0;display:grid;grid-template-columns:92px minmax(0,1fr);gap:16px 12px;font-size:14px;line-height:1.85}.kv dt{color:var(--dim)}.kv dd{margin:0;overflow-wrap:anywhere}.kv ul{list-style:none;padding:0;margin:0}.swatches{display:flex;flex-wrap:wrap;gap:12px}.swatch{display:inline-flex;align-items:center;gap:6px;font-size:12px}.swatch i{display:block;width:20px;height:20px;border-radius:50%;background:var(--color);border:1px solid #8888}.sh-bar{position:sticky;bottom:0;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:15px 30px;background:var(--bg);z-index:2}.keyboard-note{font-size:12px;color:var(--dim)}
@media(max-width:1050px){.wrap{width:calc(100% - 72px)}.hero{gap:28px}.hero h1{font-size:4.8vw}.hero-description{font-size:14px}.filter-tools{flex-wrap:wrap;gap:12px 24px}.text-button{margin-left:0}.guide ol{font-size:14px;gap:16px}.sh-cols{grid-template-columns:1.1fr 1fr;gap:24px}.kv{grid-template-columns:1fr;gap:6px}.kv dd{margin-bottom:10px}}
@media(max-width:700px){.wrap{width:calc(100% - 72px)}.masthead{padding-block:18px}.brand{font-size:12px;gap:8px}.brand-mark{font-size:29px}.brand small{font-size:9px}.head-actions{gap:5px;font-size:12px}.hero{grid-template-columns:1fr;gap:30px;padding-block:24px 56px}.hero .eyebrow{font-size:10px;margin-bottom:19px;letter-spacing:.08em}.hero h1{font-size:clamp(32px,9.8vw,58px);line-height:1.5;margin-bottom:20px}.hero h1 span{display:inline-block}.hero-description{font-size:14px;line-height:1.9;margin-bottom:22px}.explore{min-height:48px;padding:12px 20px}.edition{font-size:10px;letter-spacing:0;margin-top:19px}.art-caption{font-size:11px;padding-top:12px}.gallery-heading{display:block;margin-bottom:20px}.gallery-heading .eyebrow{font-size:10px}.gallery-heading h2{font-size:28px}.count{margin-top:8px;font-size:12px}.count strong{font-size:22px}.filter-row{display:block}.filter-label{display:block;font-size:12px;margin-bottom:7px}.frow{gap:3px;flex-wrap:nowrap;justify-content:space-between}.chip{padding:8px 12px;font-size:13px}.filter-tools{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.85fr);padding:0;gap:8px 14px}.select-label{display:block;font-size:12px}.select-label select{display:block;max-width:100%;width:100%;font-size:12px;padding-right:0;min-height:44px}.text-button{grid-column:1/-1;justify-self:start;font-size:12px}.filter-panel{padding-bottom:25px}.grid{grid-template-columns:1fr;gap:36px;min-height:0}.card-title{font-size:25px}.card-meta{font-size:11px;margin-top:13px}.card-description{font-size:14px}.card-bottom{margin-top:8px}.card-arrow{opacity:1;transform:none;width:30px;height:30px;font-size:18px}.guide{padding-block:60px 48px;margin-top:8px}.guide h2{font-size:26px;line-height:1.7}.guide ol{display:block;font-size:14px;margin-top:22px}.guide li{padding-block:7px}.guide li span{font-size:24px;margin-right:17px}.footer-line{display:block}.footer-line>span{font-size:10px}.footer-line p{margin-bottom:5px}footer{font-size:12px;padding-bottom:30px}.sheet{width:100%;max-height:96dvh;border-radius:10px 10px 0 0;margin:auto 0 0}.sh-head{padding:8px 16px;gap:6px}.sh-label{font-size:10px;letter-spacing:.05em}.sh-position{margin:0 3px;font-size:11px}.sh-cols{grid-template-columns:1fr;gap:25px;padding:0 24px 24px}.sh-preview-side{position:static;padding:12px}.preview-switch{gap:2px;margin-bottom:12px}.preview-switch .chip{font-size:12px;padding-inline:13px}.preview-frame[data-device=mobile]{max-width:180px}.sh-preview-note{font-size:11px}.detail-content h2{font-size:30px}.kv{grid-template-columns:85px minmax(0,1fr);gap:14px 12px}.kv dd{margin:0}.sh-bar{padding:12px 24px max(12px,env(safe-area-inset-bottom));display:block}.sh-bar .explore{width:100%;justify-content:center}.keyboard-note{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.js .card.reveal-pending{opacity:1;transform:none}}
@media(forced-colors:active){.chip[aria-pressed=true],.explore,.card-visual{outline:1px solid ButtonText}.swatch i{forced-color-adjust:none}}

/* 作り手バッジ（2026-09-06 Claude版5本の追加で導入） */
.badge{position:absolute;left:12px;top:12px;z-index:2;font-size:10px;letter-spacing:.06em;color:var(--ink);background:var(--bg);padding:4px 9px;pointer-events:none}

/* 設計図＋プロンプト（2026-09-06 配布キット） */
.kit{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}.kit-title{font-size:14px;font-weight:600;margin:0 0 6px}.kit-lead{font-size:12px;line-height:1.9;color:var(--dim);margin:0 0 12px}.kit-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:6px}.kit-copy{gap:24px;padding:12px 20px;font-size:13px}.kit pre{font:11px/1.9 'Noto Sans JP',sans-serif;white-space:pre-wrap;overflow-wrap:anywhere;max-height:420px;overflow:auto;background:var(--surface);padding:14px;margin:8px 0 0;color:var(--ink)}.kit-none{font-size:12px;color:var(--dim);margin-top:22px;padding-top:14px;border-top:1px solid var(--line)}.kit-mark{font-weight:600;color:var(--accent)}
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,12px);opacity:0;z-index:200;background:var(--ink);color:var(--bg);padding:12px 22px;border-radius:3px;font-size:13px;max-width:calc(100% - 40px);width:max-content;pointer-events:none;transition:transform .25s,opacity .25s}.toast.on{opacity:1;transform:translate(-50%,0)}