:root {
  --text-color: #666;
  --bg: #cfe6f5;
  --bg1: #ecf5fb;
  --bg2: #409ad6;
  --bg3: #c6e1f3;
  --c-navy: #2c438a;
  --base: 1920;
}
@media (max-width: 750.9px) {
  :root {
    --base: 750;
  }
}
html {
  box-sizing: border-box;
  font-size: 16px;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
* {
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Meiryo', 'ヒラギノ角ゴ Pro', 'Hiragino Kaku Gothic Pro', 'ＭＳ Ｐゴシック', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fff;
  min-height: 100vh;
}
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: bold;
  line-height: 1.2;
}
ul,
ol {
  list-style-type: none;
}
a {
  display: inline;
  color: inherit;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
button,
input,
select,
textarea {
  font: inherit;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid #0066cc;
  outline-offset: 2px;
}
table {
  border-collapse: collapse;
  width: 100%;
}
th,
td {
  border: 1px solid #ccc;
  text-align: left;
}
#container {
  min-width: 320px;
  /* これが無いとcommon.jsでviewport変えられる */
  max-width: 100%;
}
.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.sp-only,
.pc-only {
  display: none;
}
@media (max-width: 750.9px) {
  .sp-only {
    display: unset;
  }
}
@media (width >=751px) {
  .pc-only {
    display: unset;
  }
}
.content-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 90%;
  max-width: 1300px;
  margin: auto;
  padding: 110px 0;
}
.content-block>*+* {
  margin-top: 100px;
}
@media (max-width: 750.9px) {
  .content-block {
    padding: 16% 0;
  }
  .content-block>*+* {
    margin-top: 16%;
  }
}
button {
  cursor: pointer;
}
/* ロールオーバー */
.img-rollover {
  position: relative;
}
.img-rollover .img {
  display: block;
}
.img-rollover .hover {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}
.img-rollover:hover .hover,
.img-rollover:focus-within .hover {
  opacity: 1;
}
.img-rollover:hover .base,
.img-rollover:focus-within .base {
  opacity: 0;
}