:root{
--bg:#E8E4DC;--deep:#D6D0C6;--paper:#F6F3ED;--soft:#EFEBE3;--title:#2C2A26;--text:#3A372F;--muted:#6B675E;--quiet:#8A8478;--rock:#6B675E;--dark:#3E3B36;--light:#C8C2B6;--warm:#F7F3EB;--moss:#6A7A58;--clay:#A65A3A;--line:rgba(62,59,54,.16);--accent-line:rgba(166,90,58,.40);--shadow:0 12px 28px rgba(44,42,38,.08);--max:1080px
}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;display:block}a,button{outline:none}a:focus-visible,button:focus-visible{outline:3px solid rgba(166,90,58,.38);outline-offset:2px}body.panel-open{overflow:hidden}.site-header{position:fixed;inset:0 0 auto 0;z-index:60}.stone-line{height:22px;background:var(--dark);color:var(--warm);font-size:12px}.top-inner,.bar-inner,.tags-inner,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto}.top-inner{height:22px;display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap}.plain-trigger{border:0;background:transparent;color:var(--warm);padding:0 2px;min-width:44px;height:22px;cursor:pointer;position:relative}.plain-trigger:after{content:"";position:absolute;left:-4px;right:-4px;top:-11px;bottom:-11px}.rock-bar{height:56px;background:var(--deep);border-bottom:1px solid var(--line)}.bar-inner{height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand-link{min-height:44px;display:inline-flex;align-items:center;max-width:58%}.brand-logo,.footer-logo,.drawer-logo{height:26px;width:auto;object-fit:contain}.brand-text{font-size:16px;font-weight:800;color:var(--title)}.bar-actions{display:flex;align-items:center;gap:8px}.drawer-trigger,.app-link,.btn-primary,.btn-secondary,.close-btn{min-height:44px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;font-size:14px;white-space:nowrap;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.drawer-trigger{border:1px solid var(--line);background:var(--warm);color:var(--dark)}.app-link,.btn-primary{border:0;background:linear-gradient(135deg,#8A8478 0%,#6B675E 55%,#3E3B36 100%);color:var(--warm)}.btn-secondary{border:1px solid var(--clay);background:var(--warm);color:var(--dark)}.drawer-trigger:hover,.app-link:hover,.btn-primary:hover,.btn-secondary:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(44,42,38,.12)}.rock-tags{height:38px;background:var(--warm);border-bottom:1px solid var(--line)}.tags-inner{height:38px;display:flex;align-items:center;justify-content:center;gap:8px}.tag-link{height:30px;min-width:70px;padding:0 16px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-size:13px;color:var(--dark)}.tag-link:hover,.tag-link.is-current{background:var(--dark);color:var(--warm)}.site-main{padding-top:132px;min-height:60vh}.page-wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:26px 0 64px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--clay);font-weight:800;text-transform:uppercase}.page-head{margin-bottom:28px}.page-head h1,.home-intro h1{font-size:24px;line-height:1.3;color:var(--title);margin:8px 0 12px}.page-head p,.home-intro p{max-width:820px;margin:0;color:var(--text)}h2{font-size:20px;line-height:1.45;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.section-block{margin:34px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.section-head p{margin:0;color:var(--muted);max-width:640px}.media-slot{background:var(--soft);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.home-intro{padding:34px;border:1px solid var(--line);background:linear-gradient(145deg,var(--paper),var(--soft));border-radius:12px;box-shadow:var(--shadow)}.home-intro .intro-copy{max-width:790px}.home-intro .btn-primary{margin-top:8px}.paired-feature{display:grid;grid-template-columns:1fr 1fr;gap:18px}.feature-panel{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:18px}.feature-panel .media-slot{height:168px;margin-bottom:16px}.number-strip{border-top:1px solid var(--line);background:var(--paper);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}.number-row{display:grid;grid-template-columns:76px 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-bottom:1px solid var(--line)}.number-row:last-child{border-bottom:0}.number-mark{width:44px;height:44px;border-radius:50%;background:var(--dark);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:800}.number-row p{margin:4px 0 0;color:var(--muted)}.number-row .mini-link{color:var(--clay);font-weight:700}.shikan-media{height:190px;margin-top:16px}.note-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.note-paper{background:var(--warm);border:1px solid var(--accent-line);border-radius:10px;padding:20px}.note-paper ul,.plain-list{margin:0;padding-left:1.2em}.note-paper li,.plain-list li{margin:8px 0}.shelf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.shelf-cell{min-height:158px;background:var(--paper);border:1px solid var(--line);border-bottom:5px solid var(--light);border-radius:10px;padding:18px}.shelf-cell p{color:var(--muted)}.letter-list{display:grid;gap:10px}.letter-item{display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:16px}.letter-item b{width:38px;height:38px;border-radius:8px;background:var(--moss);color:var(--warm);display:flex;align-items:center;justify-content:center}.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;padding-bottom:8px}.timeline-node{min-width:0;position:relative;padding:26px 16px 16px;border-top:2px solid var(--rock);background:var(--paper)}.timeline-node:before{content:"";position:absolute;top:-7px;left:18px;width:12px;height:12px;border-radius:50%;background:var(--clay);border:2px solid var(--warm)}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:var(--deep);color:var(--dark);font-size:12px;font-weight:700}.status.ok{background:#dbe2d4;color:#35412d}.status.work{background:#e6ded3;color:#5b493b}.status.wait{background:#e4dfd9;color:#5c5851}.app-stack{text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px}.app-stack .app-copy{max-width:760px;margin:0 auto 18px}.app-icons{display:flex;justify-content:center;gap:14px;align-items:center;margin-bottom:12px}.app-icon-slot{width:48px;height:48px;border-radius:11px}.app-visual{height:320px;max-width:680px;margin:0 auto}.link-band{display:flex;flex-wrap:wrap;gap:10px}.link-band a{min-height:44px;padding:9px 14px;background:var(--warm);border:1px solid var(--line);border-radius:9px;display:inline-flex;align-items:center}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.faq-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:18px}.brand-note{background:var(--dark);color:var(--warm);border-radius:12px;padding:26px}.brand-note h2,.brand-note h3{color:var(--warm)}.brand-note p{color:#ece6dc}.rights-band{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rights-card{background:var(--soft);border-left:4px solid var(--clay);padding:18px;border-radius:8px}.page-banner{height:220px;margin:16px 0 24px}.observation-index{display:grid;grid-template-columns:190px 1fr;gap:14px}.observation-nav{background:var(--dark);color:var(--warm);border-radius:10px;padding:16px;position:sticky;top:142px;align-self:start}.observation-nav a{display:block;padding:9px 10px;border-radius:7px}.observation-nav a:hover{background:rgba(247,243,235,.12)}.observation-sections{display:grid;gap:14px}.observation-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.card-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.wall-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:19px;min-height:230px}.wall-card:nth-child(2n){background:var(--soft)}.memo-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.memo{background:var(--warm);border:1px solid var(--line);border-radius:10px;padding:22px}.memo strong{color:var(--clay)}.checklist{display:grid;gap:10px}.check-item{display:grid;grid-template-columns:38px 1fr;gap:12px;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:16px}.check-dot{width:30px;height:30px;border-radius:50%;background:var(--moss);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:800}.method-steps{counter-reset:method;display:grid;gap:14px}.method-step{counter-increment:method;background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px 20px 20px 68px;position:relative}.method-step:before{content:counter(method, cjk-ideographic);position:absolute;left:18px;top:20px;width:34px;height:34px;border-radius:8px;background:var(--clay);color:var(--warm);display:flex;align-items:center;justify-content:center;font-weight:800}.theme-list{display:grid;gap:12px}.theme-row{display:grid;grid-template-columns:170px 1fr auto;gap:16px;align-items:center;background:var(--soft);border-bottom:1px solid var(--line);padding:17px 18px;border-radius:9px}.theme-row .theme-label{font-weight:800;color:var(--title)}.product-feature{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}.product-copy{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:24px}.feature-list{display:grid;gap:12px}.feature-list article{background:var(--soft);border-radius:9px;padding:16px}.install-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.install-step{background:var(--paper);border-top:4px solid var(--moss);padding:18px;border-radius:10px}.clause-list{display:grid;gap:14px}.clause{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.clause h2{display:flex;gap:10px;align-items:center}.clause h2 span{font-size:12px;background:var(--deep);padding:4px 8px;border-radius:999px;color:var(--dark)}.help-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.help-card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.faq-item h2{font-size:16px;margin-bottom:8px}.contact-lanes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-lane{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.contact-lane a{color:var(--clay);font-weight:700}.about-manifesto{display:grid;grid-template-columns:.85fr 1.15fr;gap:18px}.manifesto-side{background:var(--dark);color:var(--warm);border-radius:12px;padding:24px}.manifesto-side h2{color:var(--warm)}.manifesto-main{display:grid;gap:14px}.manifesto-main article{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px}.about-visual{height:220px;margin-top:16px}.site-footer{background:#2A2824;color:#E8E4DC;border-top:1px solid rgba(200,194,182,.25);font-size:13px}.footer-inner{padding:34px 0 74px}.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.footer-brand strong{display:block;font-size:16px;color:var(--warm)}.footer-brand span{display:block;color:#cfc9be}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:20px 0;border-top:1px solid rgba(200,194,182,.18);border-bottom:1px solid rgba(200,194,182,.18)}.footer-grid h2{font-size:13px;color:var(--warm);margin-bottom:10px}.footer-grid a{display:block;color:#ddd7cd;padding:3px 0}.footer-grid a:hover{color:#fff}.footer-note{max-width:880px;color:#cfc9be;margin-top:18px}.footer-copy{color:#aaa49a;margin-bottom:0}.page-mask{position:fixed;inset:0;background:rgba(42,40,36,.48);z-index:80;opacity:0;pointer-events:none;transition:opacity .18s ease}.page-mask.is-visible{opacity:1;pointer-events:auto}.rock-drawer{position:fixed;left:0;top:0;bottom:0;width:380px;max-width:88vw;background:var(--paper);z-index:90;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s ease;box-shadow:18px 0 40px rgba(44,42,38,.14);overflow:auto}.rock-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;z-index:2;background:var(--paper);display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.close-btn{border:1px solid var(--line);background:var(--warm);color:var(--dark);min-width:68px}.drawer-body{padding:16px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:13px;color:var(--muted);margin-bottom:6px}.drawer-group a{display:grid;gap:2px;padding:10px 8px;border-radius:8px}.drawer-group a:hover{background:var(--soft)}.drawer-group b{font-size:14px}.drawer-group span{font-size:12px;color:var(--muted)}.search-layer{position:fixed;left:0;right:0;top:78px;z-index:88;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease,visibility .18s ease}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:var(--deep);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.search-presets a{min-height:44px;padding:9px 14px;border-radius:8px;background:var(--warm);border:1px solid var(--line);display:flex;align-items:center}.search-hint{font-size:13px;color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:860px){.timeline{grid-template-columns:repeat(2,minmax(0,1fr))}.card-wall{grid-template-columns:1fr 1fr}.shelf-grid{grid-template-columns:1fr 1fr}.install-flow{grid-template-columns:1fr 1fr}.product-feature,.about-manifesto{grid-template-columns:1fr}.observation-index{grid-template-columns:1fr}.observation-nav{position:static;display:flex;flex-wrap:wrap;gap:4px}.observation-nav a{white-space:nowrap}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.timeline{grid-template-columns:1fr}body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.rock-tags{display:none}.site-main{padding-top:90px}.top-inner,.bar-inner,.footer-inner{width:calc(100% - 32px)}.top-inner{gap:8px}.stone-line{font-size:11px}.top-inner>span{overflow:hidden;text-overflow:ellipsis}.brand-link{max-width:46%}.brand-text{font-size:15px}.bar-actions{gap:6px}.drawer-trigger,.app-link{padding:0 11px}.page-wrap{width:calc(100% - 32px);padding:20px 0 42px}.home-intro{padding:24px 20px}.paired-feature,.note-columns,.faq-grid,.rights-band,.memo-grid,.help-grid,.contact-lanes{grid-template-columns:1fr}.card-wall{grid-template-columns:1fr}.shelf-grid{grid-template-columns:1fr}.number-row{grid-template-columns:52px 1fr}.number-row .mini-link{grid-column:2}.letter-item{grid-template-columns:44px 1fr}.theme-row{grid-template-columns:1fr;gap:6px}.install-flow{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:18px 12px}.footer-inner{padding-bottom:86px}.mobile-bottom{position:fixed;z-index:70;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--warm);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(44,42,38,.08)}.mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--dark)}.mobile-bottom a.is-current{background:var(--clay);color:var(--warm)}.search-layer{top:0;bottom:0;background:var(--dark);color:var(--warm);padding:22px 0;overflow:auto}.search-card{width:calc(100% - 32px);margin:0 auto;background:var(--dark);border:0;box-shadow:none;padding:0}.search-head strong{color:var(--warm)}.search-layer p,.search-hint{color:#e6e0d7}.search-presets a{background:#4b4741;color:var(--warm);border-color:rgba(247,243,235,.14)}.search-layer .close-btn{background:var(--warm);color:var(--dark)}.page-banner{height:200px}.app-visual{height:300px}.section-head{display:block}.section-head p{margin-top:6px}.timeline-node{min-width:190px}}

.mt-14{margin-top:14px}