@charset "utf-8";

html[theme='dark-mode'] {
  filter: invert(1) hue-rotate(180deg);
}

html[theme='dark-mode'] img {
  filter: invert(1) hue-rotate(180deg);
}

body {
  font-size: 16px;
  background: #f7f7f7;
  font-family: "Yu Gothic Medium", "游ゴシック Medium", YuGothic, 游ゴシック体, "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", メイリオ, Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
}

h2 {
  margin: 6em 0 2em;
  font-size: 1.4em;
  border-top: 4px double;
  border-bottom: 4px double;
  padding: 1em 0;
  line-height: 1;
  color: #555;
  text-indent: 1em;
}

h3 {
  margin: 3em 0 0;
  font-size: 1.2em;
  border-bottom: 1px solid;
  display: inline-block;
  line-height: 1;
  color: #555;
}

sup {
  font-size: 0.3em;
  vertical-align: super;
}

ol, ul {
  padding-left: 2em;
}

dl {
  background: #f7f7f7;
  display: inline-block;
  padding: 1em;
  margin: 1em 0;
  color: #555;
  font-style: italic;
}

dl::before, dl::after {
  content: "”";
}

p {
  padding: 0 1em;
  box-sizing: border-box;
}

p span {
  background: #ddd;
  background: linear-gradient(#fff 60%, #ffb6b6 60%);
  line-height: 1;
}

p i {
  background: #eee;
}

.main div {
  margin: 1.6em 0;
}

button {
  color: #0077ff;
  border: solid 2px #0077ff;
  border-radius: 3em;
  font-weight: bold;
  background: #fff;
  width: 100%;
  max-width: 300px;
  font-size: 1rem;
  margin-right: 1em;
  transition: background 0.2s, color 0.2s;
}

button a {
  display: inline-block;
  padding: 0.6em 0;
  line-height: 1.4;
  width: 100%;
}

button:hover {
  background: #07f;
  color: #fff;
  transition: all 0.2s ease 0s;
}

.mt-1em {
  margin-top: 1em;
}

.mt-3em {
  margin-top: 3em;
}

.header-area {
  padding: 0.5em 0;
  background: #51abbf;
  text-align: center;
  color: #fff;
}

.main-img {
  width: 100%;
  text-align: center;
  background: #e7e7e7;
  line-height: 0;
}

.main-img img {
  max-width: 1200px;
  width: 100%;
}

.main {
  width: 100%;
  max-width: 1200px;
  padding: 4em;
  margin: 0 auto;
  background: #fff;
  line-height: 2;
  box-sizing: border-box;
}

.kome {
  font-size: 0.66em;
}

.main div.mt-1em {
  margin-top: 1em;
}

.footer-area {
  width: 100%;
  background: #51abbf;
  line-height: 2;
}

.copyright {
  text-align: center;
  font-size: 0.6em;
  color: #fff;
}

.inquiry {
  margin-top: 3em;
  display: flex;
  flex-direction: column;
}

.btn2 {
  border-radius: 0;
  color: #555;
  border-color: #555;
  margin-top: 2em;
  max-width: 500px;
  padding: 0;
}

.btn2:hover {
  background: #ddd;
  color: #333;
}

.f-link {
  width: 100%;
  padding: 4em 0;
  text-align: center;
  background: #eee;
}

.f-link a {
  display: inline-block;
  margin: 0 3em;
}

@media screen and (max-width: 700px) {
  h2 {
    text-indent: 0;
    line-height: 1.2;
    padding: 1em;
  }

  h3 {
    margin: 3em auto 0;
  }

  .main {
    padding: 2em 1.6em;
  }

  .main img {
    width: 100%;
  }

  .main div {
    margin: 2em 0;
  }

  .main .data1 {
    width: 80%;
    text-align: center;
  }

  button {
    display: inline-block;
    margin: 1em auto;
    max-width: 100%;
  }

  video {
    width: 100%;
  }
}