* {
  box-sizing: border-box;
}

html {
  color: #4f321c;
  background-color: #f8f1e3;
}

body {
  max-width: 600px;
  margin: 60px auto;
  padding: 40px 32px 48px 32px;
  font-family: 'Quicksand', 'Noto Sans JP', Arial, sans-serif;
  line-height: 1.8;
  font-size: 17px;
  border-radius: 24px;
  background-color: #fffaf3;
  box-shadow: 0 8px 32px rgba(79,50,28,0.08), 0 1.5px 7px rgba(79,50,28,0.04);
  min-height: 80vh;
}

/* @media (prefers-color-scheme: dark) {
	body {
		background-color: #4f321c;
		color: #f8f1e3;
	}
}*/
		

img.logo {
  width: 92px;
  height: 92px;
  display: block;
  margin: 0 auto 36px auto;
}

p {
  margin-bottom: 1.4em;
  text-align: center;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}

hr {
  margin: 2.5em 0 2em 0;
  border: none;
  border-top: 1.5px solid #a0866c24;
}

a:link,
a:visited {
  color: #d19600;
  text-decoration: underline;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.6;
}

h1, h2, h3 {
  font-weight: bold;
  margin-top: 2em;
  margin-bottom: 1em;
  line-height: 1.4;
  text-align: center;
}

.icon-buttons {
  display: flex;
  gap: 2em;
  justify-content: center;
  margin-top: 32px;
}

.icon-btn {
  width: 35px;
  height: 35px;
  cursor: pointer;
  padding: 0;
  margin: 0;
  background: #f8f1e3;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(79,50,28,0.06);
  transition: transform 0.22s, box-shadow 0.22s;
  border: none;
}

.icon-btn:hover {
  transform: scale(1.13);
  box-shadow: 0 6px 18px rgba(209,150,0,0.12);
  background: #fff3c4;
}

@media (max-width: 650px) {
  body {
	max-width: 98vw;
	padding: 24px 4vw 36px 4vw;
  }
  p {
	font-size: 16px;
	max-width: 98%;
  }
  .icon-buttons {
	gap: 1.1em;
  }
}
.copyright {
  margin-top: 38px;
  color: #a0866c;
  font-size: 15px;
  text-align: center;
  letter-spacing: 0.01em;
  opacity: 0.77;
  user-select: none;
}