.guestbook-page { min-height: 100svh; display: flex; flex-direction: column; }
.guestbook-page .site-header { border-bottom: 1px solid var(--frame); }
.guestbook-shell { width: min(760px, calc(100% - 64px)); margin: 68px auto 100px; flex: 1; }
.guestbook-heading { position: relative; margin-bottom: 46px; }
.guestbook-heading h1 { font: 400 clamp(36px, 4vw, 50px)/1.25 var(--serif); letter-spacing: .035em; }
.guestbook-invitation { margin: 18px 0 12px; font: 18px/1.7 var(--serif); letter-spacing: .045em; }
.guestbook-art { position: absolute; right: -6px; bottom: 3px; width: 206px; height: 145px; opacity: .9; mix-blend-mode: multiply; pointer-events: none; }
.guestbook-art img { width: 100%; height: 100%; object-fit: contain; }
.guestbook-compose { padding: 28px 0 14px; border-top: 1px solid var(--edge); border-bottom: 1px solid var(--frame); }
.guestbook-field-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 10px; }
.guestbook-compose label { font-size: 14px; }
.guestbook-counter { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.guestbook-counter.is-over { color: var(--accent-press); }
.guestbook-compose textarea, .guestbook-compose input { font: 16px/1.85 var(--sans); color: var(--ink); border: 1px solid var(--frame); border-radius: 0; background: rgb(255 252 245 / .2); width: 100%; padding: 12px 16px; appearance: none; }
.guestbook-compose textarea { display: block; min-height: 166px; resize: vertical; }
.guestbook-compose input { padding: 7px 12px; }
.guestbook-compose :is(input, textarea):hover { border-color: var(--edge); }
.guestbook-compose :is(input, textarea):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.guestbook-compose [aria-invalid="true"] { border-color: var(--accent); }
.guestbook-compose :is(input, textarea):disabled { opacity: .65; }
.guestbook-name-field { max-width: 390px; margin-top: 21px; }
.guestbook-contact-field { margin-top: 21px; }
.guestbook-name-field label, .guestbook-contact-field label { display: flex; align-items: baseline; gap: 10px; margin-bottom: 8px; }
.guestbook-optional { color: var(--muted); font-size: 12px; }
.guestbook-help { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
.guestbook-contact-privacy { margin-top: 3px; color: var(--reading); }
.guestbook-form-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 25px; }
.guestbook-form-bottom .guestbook-help { max-width: 33em; margin: 0; }
.guestbook-submit { flex: none; min-height: 48px; display: flex; align-items: center; justify-content: center; gap: 24px; padding: 12px 20px; background: var(--accent); color: var(--paper); font-size: 14px; letter-spacing: .05em; transition: background .2s; }
.guestbook-submit:hover { background: var(--accent-hover); }
.guestbook-submit:active { background: var(--accent-press); }
.guestbook-submit svg { fill: none; stroke: currentColor; stroke-width: 1; }
.guestbook-feedback { min-height: 44px; display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.guestbook-feedback p { margin: 0; font-size: 13px; line-height: 1.75; color: var(--accent-press); }
.guestbook-stamp { flex: none; display: grid; place-items: center; min-width: 48px; height: 38px; padding-inline: 6px; border: 1px solid var(--accent); outline: 1px solid var(--accent); outline-offset: -4px; color: var(--accent); font: 13px/1.2 var(--serif); transform: rotate(-7deg); animation: guestbook-imprint .3s ease-out; }
@keyframes guestbook-imprint { from { opacity: 0; transform: rotate(-7deg) scale(1.25); } to { opacity: 1; transform: rotate(-7deg) scale(1); } }
.guestbook-trap { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; }
.guestbook-notes { margin-top: 52px; }
.guestbook-notes-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.guestbook-notes h2 { margin: 0; font: 400 24px/1.5 var(--serif); letter-spacing: .04em; }
.guestbook-text-button { min-height: 44px; color: var(--mist); font-size: 12px; text-decoration: underline; text-underline-offset: 5px; padding: 6px 0; }
.guestbook-list { margin: 14px 0 0; padding: 0; list-style: none; }
.guestbook-message { padding: 26px 0 28px; border-bottom: 1px solid var(--frame); overflow-wrap: anywhere; }
.guestbook-message-meta { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.guestbook-message-name { font-size: 14px; font-weight: 500; }
.guestbook-message time { color: var(--muted); font-size: 11px; flex: none; font-variant-numeric: tabular-nums; }
.guestbook-message-body { margin: 13px 0 0; color: var(--reading); white-space: pre-wrap; font-size: 16px; line-height: 1.9; }
.guestbook-reply { margin-top: 20px; padding: 1px 0 1px 16px; border-left: 2px solid var(--accent); }
.guestbook-reply-label { color: var(--accent); font-size: 12px; }
.guestbook-reply p { font-size: 14px; margin: 6px 0 0; }
.guestbook-empty { padding: 42px 0 32px; color: var(--muted); text-align: center; }
.guestbook-empty-line { display: block; width: 38px; height: 1px; background: var(--edge); margin: 0 auto 22px; transform: rotate(-4deg); }
.guestbook-empty p { font-size: 13px; line-height: 1.8; margin: 10px 0; }
.guestbook-empty .guestbook-empty-title { color: var(--ink); font: 19px/1.6 var(--serif); }
.guestbook-list-status { color: var(--muted); font-size: 12px; line-height: 1.8; text-align: center; margin: 24px 0 0; }
.guestbook-list-status:empty { display: none; }
.guestbook-more { display: block; min-height: 44px; margin: 24px auto 0; padding: 8px 24px; border: 1px solid var(--frame); color: var(--mist); font-size: 13px; }
.guestbook-more:hover { border-color: var(--mist); }
.guestbook-noscript { padding: 20px; border: 1px solid var(--accent); }
:lang(en) .guestbook-heading h1 { font: 400 clamp(36px, 4.2vw, 50px)/1.15 var(--serif); letter-spacing: -.02em; }
:lang(en) .guestbook-invitation { letter-spacing: 0; }
:lang(en) .guestbook-art { width: 150px; }
:lang(en) .guestbook-heading > div:first-child { position: relative; z-index: 1; }
:lang(en) .guestbook-stamp { font-size: 9px; width: 42px; }
@media (max-width: 640px) {
  .guestbook-shell { width: calc(100% - 40px); margin: 38px auto 64px; }
  .guestbook-heading { margin-bottom: 28px; }
  .guestbook-heading h1 { font-size: 34px; }
  .guestbook-invitation { font-size: 16px; margin-top: 16px; letter-spacing: .02em; }
  .guestbook-art { display: none; }
  .guestbook-compose { padding-top: 22px; }
  .guestbook-compose textarea { min-height: 154px; padding-inline: 12px; }
  .guestbook-name-field { max-width: none; }
  .guestbook-form-bottom { align-items: stretch; flex-direction: column; gap: 16px; margin-top: 19px; }
  .guestbook-submit { justify-content: space-between; padding-inline: 18px; }
  .guestbook-feedback { min-height: 40px; }
  .guestbook-notes { margin-top: 32px; }
  .guestbook-notes h2 { font-size: 21px; }
  .guestbook-message-body { font-size: 15px; }
  .guestbook-message-meta { gap: 10px; align-items: flex-start; }
  .guestbook-message time { line-height: 2; }
}
@media (prefers-reduced-motion: reduce) { .guestbook-stamp { animation: none; } }