html {
  font-size: 60%;
  scroll-behavior: smooth;
  margin: 0;
  padding: 0;
}

body {
  background: #fff;
  color: #000;
  font-family: "Palatino", "Palatino Linotype", "Palatino LT STD", "Book Antiqua", Georgia, serif;
  font-size: 1.4rem;
  line-height: 1.8;
  width: 100%;
  margin: 36px 0 0;
  padding: 0;
}


header,
main {
  width: 90%;
  max-width: 600px;
  margin: 36px auto;
  padding: 36px 0 36px;  
}

section {
  margin: 36px 0 0;
  padding: 6px 0 0;  
}

div {
  margin: 12px 0;
  padding: 6px 0 0;
}


div.mail-to img {
  margin-top: 12px;
}

/* footer */
footer {
  width: 90%;
  max-width: 600px;

  margin: 36px auto;
  padding: 36px auto;

  color: #aaa;
}

footer p {
  font-size: 1.2rem;
}

/* img */

img {
  max-width: 100%;
  height: auto;
}

/* link */

a:link,
a:visited {
  color: #aaa;
  text-decoration: none;
  transition: all .3s;
}
a:hover {
  color: #999;
  text-decoration: underline;
  opacity: 0.6;
}
a img {
  opacity: 1;
  transition: all .3s;
}
a img:hover {
  opacity: 0.6;
}


/* h */

h1 {
  font-size: clamp(8rem, 2vw + 1rem, 20rem);
  font-weight: 700;
  line-height: 1.2;
  text-align: right;
  margin: 0;
  padding: 0;
}

h1 span {
  font-size: clamp(1.8rem, 2vw + 1rem, 2.4rem);
}

h2,
h3 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  text-align: right;
  margin: 20px 0 0;
  padding: 0;
}

h4 {
  font-size: clamp(1.8rem, 1vw + 1rem, 2.0rem);
  font-weight: 700;
  line-height: 1;
  text-align: right;
  margin: 10px 0 0;
  padding: 6px 0 0;
}


h5 {
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  text-align: right;
}


p  {
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1.6;
  margin: 6px 0 18px 0;
  padding: 0;
  text-align: right;
}


h1 span,
h2 span,
h3 span,
h4 span,
h5 span,
p span {
  display: block;
  color: #777;
  font-weight: 400;
  margin: 6px 0 0;
}