.stamp-common{--stamp-tint:#f4e8d7;--stamp-accent:#866447;color:#493b33}
.stamp-common.shiro-common{--stamp-tint:#e7f1f3;--stamp-accent:#537b87}
.stamp-common a:focus-visible,.stamp-common button:focus-visible{outline:3px solid #9c4b67;outline-offset:4px}
.stamp-hero{display:grid;grid-template-columns:1.12fr 1fr;gap:54px;align-items:center;padding:54px 0 46px}
.stamp-hero h1{font-family:serif;font-weight:500;font-size:clamp(32px,4vw,48px);line-height:1.55;margin:18px 0}
.stamp-hero h1 span{display:block;font-size:.58em;letter-spacing:.08em}
.stamp-lead{font-size:20px;font-weight:700;color:#9c4b67}
.stamp-hero p{line-height:1.95}
.stamp-art{background:var(--stamp-tint);border-radius:46% 54% 49% 51%;padding:28px;min-height:340px;display:grid;place-items:center}
.stamp-art img{width:100%;max-width:320px;max-height:290px;object-fit:contain}
.stamp-tag{display:inline-block;font-size:12px;padding:5px 12px;border-radius:30px;background:var(--stamp-tint);color:var(--stamp-accent);font-weight:700}
.stamp-buy{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:18px 0}
.stamp-buy .button{font-size:13px;padding:12px 18px}
.stamp-pending{border:1px solid #cbd9dc;border-radius:12px;background:#f5fafb;padding:13px 18px;display:inline-block;font-weight:700;color:#537b87}
.stamp-jumps{display:flex;flex-wrap:wrap;gap:9px;border-top:1px solid #e6ddd5;border-bottom:1px solid #e6ddd5;padding:20px 0;margin:0 0 40px}
.stamp-jumps a{border:1px solid #ded6cf;border-radius:30px;padding:9px 16px;font-size:14px;background:#fff;text-decoration:none;color:#493b33}
.stamp-intro{margin:40px 0 55px;max-width:750px;line-height:1.95}
.stamp-intro h2,.stamp-collection h2,.stamp-more h2{font-size:27px;line-height:1.6;margin:12px 0}
.stamp-collection{margin:65px 0;scroll-margin-top:170px}
.stamp-collection-head{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:25px}
.stamp-collection-head p{line-height:1.8}
.stamp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;list-style:none;padding:0;margin:0}
.stamp-card{background:#fff;border:1px solid #e6ded7;border-radius:22px;overflow:hidden;display:flex;flex-direction:column;scroll-margin-top:170px;min-width:0}
.stamp-image{display:grid;place-items:center;background:#fffdfa;padding:20px 14px 8px;text-decoration:none;min-height:236px}
.shiro-common .stamp-image{background:#fbfdfd}
.stamp-image img{display:block;width:100%;height:205px;object-fit:contain}
.stamp-card-copy{padding:20px 23px 22px;display:flex;flex:1;flex-direction:column}
.stamp-number{font-size:12px;color:var(--stamp-accent);letter-spacing:.08em;margin:0}
.stamp-card h3{font-size:21px;margin:8px 0 15px;line-height:1.45}
.stamp-hint{font-size:14px;line-height:1.9;margin:9px 0 20px}
.stamp-small{font-size:11px;letter-spacing:.1em;color:#9c4b67;margin:0}
.stamp-link{margin-top:auto;font-size:13px;line-height:1.7;font-weight:700;color:#6c5748;text-underline-offset:5px}
.stamp-preparing{font-size:13px;color:#766e66;margin-top:auto}
.stamp-motion{border:1px solid #c7d7dc;color:#426674;background:#f2f8f9;border-radius:24px;padding:8px 15px;min-height:40px;font-size:12px;cursor:pointer}
.stamp-motion[hidden]{display:none}.stamp-card .stamp-motion{margin:0 20px 8px;align-self:center}
.stamp-art .stamp-motion{margin-top:10px}
.stamp-more{padding:32px;background:var(--stamp-tint);border-radius:22px;margin:55px 0;line-height:1.95}
.stamp-more nav{display:flex;flex-wrap:wrap;gap:22px;margin:16px 0}
.stamp-sources details{padding:18px 0;border-top:1px solid #e6ded7;font-size:14px;line-height:1.8;overflow-wrap:anywhere}
.stamp-sources summary{cursor:pointer;font-weight:700}
.stamp-sources li{margin:12px 0}.stamp-sources span{font-size:12px}
.stamp-other{border-top:1px solid #e6ded7;padding:24px 0;margin-top:45px;font-size:14px}
@media(max-width:800px){.stamp-hero{gap:25px}.stamp-art{padding:15px;min-height:260px}.stamp-grid{gap:16px}.stamp-card-copy{padding:16px}.stamp-image{min-height:180px}.stamp-image img{height:160px}}
@media(max-width:600px){.stamp-hero{grid-template-columns:1fr;gap:15px;padding-top:24px}.stamp-hero h1{font-size:34px;margin:12px 0}.stamp-art{width:100%;max-width:360px;justify-self:center;min-height:280px}.stamp-art img{height:235px}.stamp-lead{font-size:18px}.stamp-collection-head{display:block}.stamp-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.stamp-image{padding:12px 6px 4px;min-height:140px}.stamp-image img{height:130px}.stamp-card{border-radius:15px}.stamp-card-copy{padding:13px 12px 16px}.stamp-card h3{font-size:17px;min-height:2.9em;margin-bottom:9px}.stamp-hint{font-size:13px;line-height:1.85}.stamp-link{font-size:12px}.stamp-small{font-size:10px;letter-spacing:0}.stamp-number{font-size:10px}.stamp-motion{font-size:11px;padding:7px 10px}.stamp-card .stamp-motion{margin:0 5px 4px}.stamp-jumps{gap:8px}.stamp-jumps a{font-size:12px;padding:8px 12px}.stamp-more{padding:23px}.stamp-collection h2{font-size:24px}.stamp-intro h2{font-size:24px}}
@media(prefers-reduced-motion:reduce){.stamp-common *{scroll-behavior:auto}}
/* Shared reading surface: existing paragraphs/citations/anchors are retained. */
.common-note{--note-tint:#f4e8d7}.common-note.shiro{--note-tint:#e7f1f3}
.common-note .rn-article,.common-note .sh-reading{max-width:780px;margin-left:auto;margin-right:auto}
.common-note .journal-heading,.common-note .sh-article-heading{max-width:780px;margin:35px auto;text-align:left;padding:20px 0}
.common-note h1{font-family:serif;font-weight:500;font-size:clamp(29px,3.4vw,42px);line-height:1.55}
.common-note .rn-question,.common-note .sh-question{background:var(--note-tint);border:0;border-radius:20px;padding:26px;box-shadow:none}
.common-note .rn-section,.common-note .sh-reading section{border:0;border-bottom:1px solid #e6ded7;border-radius:0;background:none;padding:30px 0;margin:0;box-shadow:none;scroll-margin-top:175px}
.common-note h2{font-size:24px;line-height:1.6}.common-note p{font-size:16px;line-height:1.95}
.common-note .rn-toc,.common-note .common-note-toc{display:flex;flex-wrap:wrap;gap:10px;background:none;padding:18px 0;max-width:780px;margin:15px auto 30px;border-top:1px solid #e6ded7;border-bottom:1px solid #e6ded7}
.common-note .rn-toc a,.common-note .common-note-toc a{font-size:13px;color:#6c5748;padding:7px 12px;border:1px solid #ded6cf;border-radius:24px;background:#fff;text-decoration:none}
.common-note .sh-limits{background:#f4ede6;border-radius:18px;padding:25px;margin:28px 0}
.common-note .sh-article-lead{max-width:780px;margin:30px auto}
.common-note .sh-next-question{background:none}
@media(max-width:600px){.common-note h2{font-size:22px}.common-note p{font-size:15px}.common-note .sh-question{padding:22px}}