:root {
  --ink: #242321;
  --paper: #f4f1e9;
  --line: #625e57;
  --red: #b23b2e;
  --yellow: #ffde00;
  --orange: #f7651b;
}

* { box-sizing: border-box; }
html, body { margin: 0; overflow: hidden; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
.guestbook-page { padding: 0; }
.section-label { height: 32px; padding: 0 10px; display: flex; align-items: center; justify-content: space-between; gap: 12px; background: var(--ink); color: #fff; font: bold 9px Verdana, Arial, sans-serif; }
.guestbook-compose { display: grid; grid-template-columns: 36% 64%; min-height: 455px; border: 1px solid var(--line); background: #fff; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%); }
.guestbook-intro { min-height: 455px; padding: 27px 28px 29px; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: var(--orange); }
.guestbook-intro > p { margin: 0; font: bold 8px Verdana, Arial, sans-serif; }
.guestbook-intro h1 { width: auto; margin: auto 0; font: bold clamp(66px, 6.8vw, 88px)/.74 Arial, Helvetica, sans-serif; letter-spacing: -.08em; white-space: nowrap; }
.guestbook-intro > span { width: 100%; margin: 0; padding: 13px 0; border-block: 1px solid var(--ink); font-size: 12px; line-height: 1.45; }
.guestbook-sign { min-width: 0; display: flex; flex-direction: column; }
.guestbook-empty-bar { flex: 0 0 32px; }
.guestbook-form { flex: 1; padding: 22px 24px 17px; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto 1fr auto auto; gap: 14px; }
.guestbook-form label { display: flex; flex-direction: column; gap: 7px; }
.guestbook-form label > span { color: var(--red); font: bold 8px Verdana, Arial, sans-serif; }
.guestbook-form input, .guestbook-form textarea { width: 100%; padding: 11px; border: 1px solid var(--line); border-radius: 0; background: var(--paper); color: var(--ink); font: 13px Arial, Helvetica, sans-serif; }
.guestbook-form input:focus, .guestbook-form textarea:focus { outline: 3px solid var(--yellow); outline-offset: 0; }
.guest-message { grid-column: 1 / -1; height: 100%; position: relative; }
.guest-message textarea { height: 100%; min-height: 165px; resize: vertical; }
.guest-message small { position: absolute; right: 8px; bottom: 7px; font: 8px Verdana, Arial, sans-serif; }
.guestbook-form > button { grid-column: 1 / -1; padding: 12px; border: 1px solid var(--ink); background: var(--ink); color: #fff; font: bold 9px Verdana, Arial, sans-serif; cursor: pointer; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%); }
.guestbook-form > button:hover { background: var(--yellow); color: var(--ink); }
.guestbook-form > button:disabled { opacity: .5; }
.guestbook-form > p { grid-column: 1 / -1; min-height: 16px; margin: 0; align-self: start; color: var(--red); font: bold 8px Verdana, Arial, sans-serif; }
.guest-trap { position: absolute !important; left: -10000px !important; }
.guestbook-board { margin-top: 8px; border: 1px solid var(--line); background: #fff; }
.guestbook-entries { padding: 8px; background: #d6d1c7; }
.guest-entry { min-height: 0; display: grid; grid-template-columns: 150px 1fr; margin-bottom: 8px; border: 1px solid var(--line); background: #fff; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%); }
.guest-entry:last-child { margin-bottom: 0; }
.guest-entry > header { min-height: 110px; padding: 14px 12px; display: flex; flex-direction: column; align-items: flex-start; border-right: 1px dotted var(--line); font: 9px Verdana, Arial, sans-serif; }
.guest-entry > header > span { margin-bottom: 18px; color: var(--orange); }
.guest-entry > header a { color: var(--ink); }
.guest-entry > header time { margin-top: auto; color: #77736d; }
.guest-entry > p { margin: 0; padding: 22px 24px; font-size: 15px; line-height: 1.55; overflow-wrap: anywhere; }
.guest-entry blockquote { grid-column: 2; margin: 0 14px 14px 24px; padding: 12px 14px; border-left: 5px solid var(--orange); background: #fff; }
.guest-entry blockquote > span { color: var(--red); font: bold 8px Verdana, Arial, sans-serif; }
.guest-entry blockquote p { margin: 8px 0 0; font-size: 12px; line-height: 1.5; }
.guestbook-loading, .guestbook-empty, .guestbook-error { margin: 0; padding: 30px; background: #fff; font: bold 9px Verdana, Arial, sans-serif; }
.guestbook-error { color: var(--red); }

@media (max-width: 750px) {
  .guestbook-compose { grid-template-columns: 1fr; }
  .guestbook-intro { min-height: 330px; border-right: 0; border-bottom: 1px solid var(--line); }
  .guestbook-intro h1 { font-size: clamp(58px, 14vw, 78px); }
  .guestbook-form { grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; }
  .guestbook-form > label:nth-of-type(1), .guestbook-form > label:nth-of-type(2), .guest-message, .guestbook-form > button, .guestbook-form > p { grid-column: 1; }
  .guest-entry { grid-template-columns: 115px 1fr; }
}

@media (max-width: 500px) {
  .guestbook-page { padding: 0; }
  .guestbook-intro { min-height: 310px; padding: 23px 19px; }
  .guestbook-intro h1 { font-size: 16vw; white-space: nowrap; }
  .guestbook-form { padding-inline: 14px; }
  .guest-message textarea { min-height: 170px; }
  .guest-entry { grid-template-columns: 1fr; }
  .guest-entry > header { min-height: 65px; border-right: 0; border-bottom: 1px dotted var(--line); display: grid; grid-template-columns: 35px 1fr auto; align-items: center; }
  .guest-entry > header > span { margin: 0; }
  .guest-entry > header time { grid-column: 3; margin: 0; }
  .guest-entry blockquote { grid-column: 1; margin: 0 12px 12px; }
  input, textarea, button { font-size: 16px; }
}