body {text-align: center; font-size: 18px;}

h1 {font-size: 23px; text-align: center; font-weight: bold;}
h2 {font-size: 20px; text-align: center; font-weight: bold;}
div {background: white; text-align: center;}
ul {text-align: left; display: inline-block; list-style: none; padding: 0; font-size: 18px;}
dl {text-align: left; font-size: 18px; background: white;}
ul li {font-size: 18px;}
#sub {font-weight: bold;}
p {font-size: 18px; background: white; text-indent: 1em; text-align: left; margin-left: 10%; margin-right: 10%;}
table {font-size: 18px; background: white; text-align: center; margin-left: auto; margin-right: auto; border-collapse: collapse;}
h3, h4 {text-align: center; font-weight: bold; font-size: 18px; background: white;}
#clock {text-align: right; font-size: 18px; border: 4px black solid; background-color: white;}

strong {text-align: center; font-size: 18px; font-weight: bold;}
#sitemenu {text-align: center; font-size: 18px; border: 2px outset pink; border-radius: 12px; background: white;}
#sitemenu:active {border: 2px inset orange; font-size: 18px;}
#titlepic {max-width: 80%;}
#titlepic2 {max-width: 80%;}


/* nikukyu.com ドメイン販売バナー */
body { padding-bottom: var(--domain-sale-space, 0px); }
.domain-sale-banner[hidden] { display: none !important; }
.domain-sale-banner {
  position: fixed;
  inset: auto 0 0;
  z-index: 1100;
  box-sizing: border-box;
  padding: 12px 16px;
  background: #172b4d;
  color: #fff;
  border-top: 3px solid #ffdd57;
  box-shadow: 0 -3px 12px rgba(0,0,0,.25);
}
.domain-sale-banner .domain-sale-content {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  max-width: 1100px;
  margin: auto;
  background: transparent;
  color: inherit;
}
.domain-sale-banner .domain-sale-message {
  margin: 0;
  padding: 0;
  background: transparent;
  color: #fff;
  text-align: center;
  text-indent: 0;
  font-size: 16px;
  line-height: 1.5;
}
.domain-sale-banner .domain-sale-message strong { color: inherit; font-size: inherit; }
.domain-sale-banner .domain-sale-link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  background: #ffdd57;
  color: #172b4d;
  font-size: 15px;
  font-weight: bold;
  text-decoration: none;
}
.domain-sale-banner .domain-sale-link:hover { background: #ffe889; text-decoration: underline; }
.domain-sale-banner .domain-sale-close {
  min-width: 44px;
  min-height: 44px;
  padding: 4px 10px;
  border: 1px solid #fff;
  border-radius: 6px;
  background: transparent;
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}
.domain-sale-banner .domain-sale-close:hover { background: #354969; }
.domain-sale-banner :is(a,button):focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.domain-sale-banner .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
@media (max-width: 600px) {
  .domain-sale-banner { padding: 8px 10px; }
  .domain-sale-banner .domain-sale-content { gap: 8px 10px; }
  .domain-sale-banner .domain-sale-message { flex-basis: 100%; font-size: 14px; }
  .domain-sale-banner .domain-sale-link { font-size: 14px; }
}