brand: 井筒に橘 crest — favicon, footer seal, manifesto mark, sheet hanko

New logo per the design spec (asterisk bug retired as the mark; the
literal * stays in copy):
- assets/logo-crest.svg — primary stroked form, verbatim from the spec
- assets/logo-seal.svg — flat-ink form for paper surfaces
- favicon: plain tachibana (small-size form per the spec's size floor),
  flat ink on bristol
- footer crest (56px) on every page; 96px crest in the manifesto;
  48px hanko-style seal on the plot sheets (homepage bed + product
  record), flat ink on paper per the spec's ground rules

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01JWP9tY4m4hfX8WyoEQZ1kU

Author: claude

404.html

@@ -64,6 +64,7 @@ <h3>The pen lifted</h3>
 <footer>
   <div class="grain"></div>
   <div class="wrap">
+    <img class="foot-crest" src="assets/logo-crest.svg" alt="" width="56" height="56">
     <div class="foot-cols">
       <div class="fc"><h5>Shop*</h5><a href="/#shop">All editions</a><a href="commissions.html">Commissions</a></div>
       <div class="fc"><h5>Studio*</h5><a href="/#process">Process</a><a href="about.html">About</a><a href="contact.html">Contact</a></div>

about.html

@@ -67,6 +67,7 @@ <h1>About<span class="star">*</span></h1>
 <footer>
   <div class="grain"></div>
   <div class="wrap">
+    <img class="foot-crest" src="assets/logo-crest.svg" alt="" width="56" height="56">
     <div class="foot-cols">
       <div class="fc"><h5>Shop*</h5><a href="/#shop">All editions</a><a href="commissions.html">Commissions</a></div>
       <div class="fc"><h5>Studio*</h5><a href="/#process">Process</a><a href="about.html">About</a><a href="contact.html">Contact</a></div>

assets/logo-crest.svg

@@ -85,6 +85,7 @@ <h3>Inquiries</h3>
 <footer>
   <div class="grain"></div>
   <div class="wrap">
+    <img class="foot-crest" src="assets/logo-crest.svg" alt="" width="56" height="56">
     <div class="foot-cols">
       <div class="fc"><h5>Shop*</h5><a href="/#shop">All editions</a><a href="commissions.html">Commissions</a></div>
       <div class="fc"><h5>Studio*</h5><a href="/#process">Process</a><a href="about.html">About</a><a href="contact.html">Contact</a></div>

assets/logo-seal.svg

@@ -82,6 +82,7 @@ <h3>Studio</h3>
 <footer>
   <div class="grain"></div>
   <div class="wrap">
+    <img class="foot-crest" src="assets/logo-crest.svg" alt="" width="56" height="56">
     <div class="foot-cols">
       <div class="fc"><h5>Shop*</h5><a href="/#shop">All editions</a><a href="commissions.html">Commissions</a></div>
       <div class="fc"><h5>Studio*</h5><a href="/#process">Process</a><a href="about.html">About</a><a href="contact.html">Contact</a></div>