html, body {
  margin-right: 1.0vw;
  margin-left: 1.0vw;
  padding: 1.0vw;
  background-color: #f8f8f8;
  font-family: sans-serif;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.4rem, 3.6vw, 2.4rem);
  line-height:1.2;
  letter-spacing: 0.02em;
  color: #191970;
}

h2 {
  font-size: clamp(1.225rem, 3.15vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  border-bottom: .4px solid #000000 ; 
}

h3 {
  font-size: clamp(1.05rem, 3.15vw, 1.75rem);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

h3.item {
  border-left: .8em solid #000055;
  padding: .0em .4em;
}

h4 {
  padding-left: .5em;
  color: #000055;
  border-left: .8em solid #000055 ;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

p {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  text-align: justify;
  text-indent: 1.0rem;
}

.responsive-letter01 {
  font-size:min(3.0vw,30px);
}

.responsive-letter02 {
  font-size:min(2.4vw,26px);
  line-height:min(2.6vw,26px);
}

.responsive-letter03 {
  font-size:min(1.6vw,22px);
  line-height:min(2.6vw,26px);
}

.small_letter {
  font-size:smaller;
}

.my-image {
  display: block;
  height: auto;
  margin: 0 auto;
  width: min(720px,80vw);
}

.my-table {
  border-collapse: collapse;
  border: 1px solid #000000;
  font-size: x-small;
  margin: 0 auto;
}

.my-table th {
  background-color: #ddf;
  padding: .3rem .3rem;
  border: 1px solid #000000;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
}

.my-table td {
  padding: .3rem .3rem;
  border: 1px solid #000000;
  font-size: clamp(1rem, 2.5vw, 1.1rem);
}

.my-table2 {
  padding-left: .3rem;
  width: 25%;
 }

.my-table3 {
  padding-left: 1.0vw;
}

.no-spam {
  display: none;
}

li {
  margin-bottom: 0.3vw;
}

.noindent {
  text-indent: 0;
}

div.release {
  overflow: auto;
}

div.section {
  width: 100%;
}

img.right {
  float: right;
  width: max(45%,30vw);
  margin-left: 1em;
}

img.left {
  float: left;
  width: max(25%,20vw);
  margin-right: 1em;
}

ul.maru {
  list-style-type: disc;
}
figure.kaicho {
  float: left;
  margin: 0 10px 10px 0;
  width: clamp(10rem, 25vw, 12rem);
}

figure.aboutus {
  float: right;
  margin: 0 10px 10px 10px;
  width: clamp(15rem, 35vw,25rem);
}
	
caption.large {
  font-size: clamp(1rem, 2.5vw, 1.1rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

a {
  text-decoration: none;
}