body.guestbook-is-open {
  overflow: hidden;
}

.guestbook-widget,
.guestbook-widget * {
  box-sizing: border-box;
}

.guestbook-widget {
  --guestbook-ink: #31516d;
  --guestbook-strong: #2b4e68;
  --guestbook-blue: #6eb4dc;
  --guestbook-pink: #ffd4ec;
  --guestbook-accent: #d96fa5;
  --guestbook-paper: #e8fbff;
  --guestbook-white: #fff9fd;
  font-family: var(--font-sans, "M PLUS Rounded 1c", "Zen Kaku Gothic New", sans-serif);
}

.guestbook-launch {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  min-height: 48px;
  padding: 9px 18px;
  border: 3px solid #fff;
  border-radius: 999px;
  background:
    linear-gradient(135deg, #9fe5ff 0%, #ffd4eb 52%, #fff1a8 100%);
  color: var(--guestbook-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 900;
  box-shadow:
    0 16px 38px rgba(128, 103, 150, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.guestbook-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px;
}

.guestbook-modal.is-open {
  display: flex;
}

.guestbook-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(92, 67, 100, 0.28);
  backdrop-filter: blur(4px);
}

.guestbook-window {
  position: relative;
  width: min(720px, 100%);
  max-height: min(700px, calc(100vh - 34px));
  overflow: hidden;
  border: 3px solid var(--guestbook-blue);
  border-radius: 18px;
  background: #bcecff;
  box-shadow:
    0 30px 70px rgba(78, 65, 99, 0.32),
    8px 8px 0 rgba(255, 202, 230, 0.72);
}

.guestbook-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 38px;
  padding: 6px 8px 6px 14px;
  border-bottom: 3px solid var(--guestbook-blue);
  background:
    linear-gradient(90deg, #7fd5ff, var(--guestbook-pink));
  color: var(--guestbook-ink);
  font-size: 0.9rem;
  font-weight: 900;
}

.guestbook-close {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 2px solid var(--guestbook-blue);
  border-radius: 6px;
  background: var(--guestbook-white);
  color: var(--guestbook-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  line-height: 1;
}

.guestbook-body {
  position: relative;
  max-height: min(650px, calc(100vh - 82px));
  padding: 28px 188px 46px 28px;
  overflow: auto;
  background:
    radial-gradient(circle at 16px 16px, rgba(255, 255, 255, 0.78) 2px, transparent 2.5px),
    linear-gradient(180deg, var(--guestbook-paper) 0%, #fff0f8 100%);
  background-size: 24px 24px, auto;
}

.guestbook-heading {
  max-width: 500px;
}

.guestbook-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 8px;
  color: var(--guestbook-accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guestbook-kicker span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--guestbook-accent);
  box-shadow: 0 0 0 5px rgba(217, 111, 165, 0.16);
}

.guestbook-heading h2 {
  margin: 0 0 10px;
  color: #4b8fbc;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
}

.guestbook-heading p:not(.guestbook-kicker) {
  margin: 0 0 18px;
  color: #6a6072;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.7;
}

.guestbook-form {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  max-width: 520px;
  padding: 14px;
  border: 2px solid var(--guestbook-blue);
  border-radius: 12px;
  background: rgba(190, 236, 255, 0.78);
}

.guestbook-form label {
  display: grid;
  gap: 4px;
  color: var(--guestbook-ink);
  font-size: 0.88rem;
  font-weight: 900;
}

.guestbook-form input,
.guestbook-form textarea {
  width: 100%;
  border: 2px solid #8bc4df;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--guestbook-strong);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
}

.guestbook-form input {
  min-height: 38px;
  padding: 6px 10px;
}

.guestbook-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 2px 0 4px;
}

.guestbook-toolbar button {
  display: grid;
  width: 30px;
  height: 28px;
  place-items: center;
  border: 2px outset #ffffff;
  border-radius: 4px;
  background: #fffdf7;
  color: var(--guestbook-ink);
  cursor: pointer;
  font: inherit;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 0.95rem;
  font-weight: 900;
  line-height: 1;
}

.guestbook-toolbar button:active {
  border-style: inset;
}

.guestbook-form textarea {
  resize: vertical;
  min-height: 106px;
  padding: 8px 10px;
}

.guestbook-count {
  justify-self: end;
  color: #6d7f92;
  font-size: 0.78rem;
}

.guestbook-drawing {
  display: grid;
  gap: 8px;
}

.guestbook-drawing-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--guestbook-ink);
  font-size: 0.88rem;
  font-weight: 900;
}

.guestbook-drawing-head button {
  min-height: 30px;
  padding: 4px 10px;
  border: 2px solid var(--guestbook-blue);
  border-radius: 999px;
  background: var(--guestbook-white);
  color: var(--guestbook-ink);
  cursor: pointer;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 900;
}

.guestbook-drawing canvas {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 16 / 9;
  border: 2px solid #8bc4df;
  border-radius: 10px;
  background:
    linear-gradient(45deg, rgba(49, 81, 109, 0.04) 25%, transparent 25% 75%, rgba(49, 81, 109, 0.04) 75%),
    linear-gradient(45deg, rgba(49, 81, 109, 0.04) 25%, transparent 25% 75%, rgba(49, 81, 109, 0.04) 75%),
    #fffdf7;
  background-position: 0 0, 8px 8px, 0 0;
  background-size: 16px 16px, 16px 16px, auto;
  cursor: crosshair;
  touch-action: none;
}

.guestbook-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.guestbook-form button[type="submit"] {
  justify-self: start;
  min-height: 40px;
  padding: 6px 16px;
  border: 2px solid var(--guestbook-blue);
  border-radius: 10px;
  background:
    linear-gradient(135deg, #ffffff, #ffe1f2);
  color: #4b8fbc;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
}

.guestbook-form button[type="submit"]:disabled {
  cursor: wait;
  opacity: 0.62;
}

.guestbook-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--guestbook-accent);
  font-size: 0.84rem;
  font-weight: 900;
  line-height: 1.6;
}

.guestbook-log {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  max-width: 520px;
  margin-top: 18px;
}

.guestbook-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.guestbook-pager span {
  margin-right: 4px;
  color: var(--guestbook-ink);
  font-size: 0.82rem;
  font-weight: 900;
}

.guestbook-pager button {
  display: grid;
  min-width: 30px;
  height: 28px;
  place-items: center;
  border: 2px outset #ffffff;
  border-radius: 6px;
  background: #fffdf7;
  color: #4b8fbc;
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1;
}

.guestbook-pager button.is-current {
  border-style: inset;
  background: var(--guestbook-pink);
  color: var(--guestbook-strong);
}

.guestbook-entry {
  padding: 10px 12px;
  border: 2px solid var(--guestbook-blue);
  border-radius: 10px;
  background: rgba(190, 236, 255, 0.84);
  color: var(--guestbook-ink);
}

.guestbook-entry.is-local {
  border-style: dashed;
  background: rgba(255, 249, 253, 0.86);
}

.guestbook-entry div {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 0.85rem;
}

.guestbook-entry strong {
  color: var(--guestbook-strong);
  font-weight: 900;
}

.guestbook-entry time {
  color: #6d7f92;
  font-size: 0.78rem;
  font-weight: 800;
}

.guestbook-entry p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.7;
}

.guestbook-entry-drawing {
  display: block;
  width: min(100%, 320px);
  margin-top: 8px;
  border: 2px solid #8bc4df;
  border-radius: 10px;
  background: #fffdf7;
}

.guestbook-entry-empty {
  border-style: dashed;
  background: rgba(255, 255, 255, 0.62);
}

.guestbook-chiruko {
  position: absolute;
  right: 18px;
  bottom: 8px;
  z-index: 2;
  width: 142px;
  pointer-events: none;
  filter: drop-shadow(0 14px 18px rgba(95, 73, 107, 0.18));
}

@media (max-width: 720px) {
  .guestbook-launch {
    right: 14px;
    bottom: 14px;
    min-height: 44px;
    padding-inline: 14px;
    font-size: 0.88rem;
  }

  .guestbook-modal {
    padding: 14px;
  }

  .guestbook-body {
    max-height: calc(100vh - 70px);
    padding: 20px;
  }

  .guestbook-chiruko {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: 130px;
    margin: 12px 0 -10px auto;
  }
}