@charset "UTF-8";

#mainBox {
  font-family: 'ヒラギノ角ゴ ProN W3', 'Hiragino Kaku Gothic ProN', 'ヒラギノ角ゴ Pro W3', 'Hiragino Kaku Gothic Pro', 'ＭＳ Ｐゴシック', sans-serif;
}
#mainBox a {
  color: #216db4;
}

/* 画像 */
#mainBox img {
  max-width: 680px;
  width: 100%;
}
#mainBox .img-medium {
  display: block;
  margin: 30px auto 0;
  max-width: 646px;
}

/* タイトル */
#mainBox h1,
#mainBox h2,
#mainBox h3,
#mainBox h4 {
  font-weight: bold;
  letter-spacing: .05em;
}
#mainBox h1 {
  margin-bottom: 18px;
  padding-left: 18px;
  font-size: 24px;
  line-height: 1.5;
  border-left: 5px solid #216db4;
}
#mainBox h2 {
  margin-bottom: 20px;
  padding-bottom: 10px;
  font-size: 18px;
  text-align: center;
  border-bottom: 2px solid #216db4;
}
#mainBox h3 {
  margin: 30px 0 0;
  padding: 8px 14px;
  font-size: 20px;
  font-weight: bold;
  color: #fff;
  background: #216db4;
}
#mainBox h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 20px 0 1em;
  padding: 0 15px;
  font-size: 16px;
  color: #216db4;
}
#mainBox h4::before {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: #216db4;
}

@media (width < 600px) {
  #mainBox h1 {
    padding-left: 14px;
    font-size: 19px;
  }
}

/* 本文 */
#mainBox p {
  font-size: 14px;
  line-height: 1.75;
  letter-spacing: .1em;
}
#mainBox h4 + p {
  padding: 0 15px;
}
#mainBox p em {
  color: #d51167;
  font-style: normal;
  font-weight: bold;
}

/* FV */
#fv p {
  font-size: 16px;
  line-height: 1.6;
}
.fv__img {
  margin-bottom: 30px;
}
#fv .description {
  margin-bottom: 40px;
}
@media (width < 600px) {
  .fv__img,
  #fv .description {
    margin-bottom: 20px;
  }
}

/* 目次 */
.toc {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 38px;
  margin-bottom: 30px;
  padding: 20px 26px;
  background: #f2f2f2;
}
.toc__heading {
  padding: 10px 24px 10px 0;
  border-right: 1px solid #000;
  font-weight: bold;
}
.toc__list {
  padding: 10px 0;
}
.toc__list li + li {
  margin-top: 10px;
}
#mainBox .toc__list a {
  color: #01a7df;
}
#mainBox .toc__list a:hover {
  text-decoration: underline;
}
@media (width < 600px) {
  .toc {
    gap: 32px;
    padding: 14px 20px;
  }
}

/* プロフィール */
.profile {
  display: flex;
  gap: 25px;
  margin-top: 40px;
  padding: 24px;
  border: 1px solid #000;
  border-radius: 15px;
}
#mainBox .profile__img {
  width: 100px;
  height: 100px;
}
#mainBox .profile__name {
  margin-bottom: 0.25em;
  font-size: 18px;
  font-weight: bold;
}
@media (width < 600px) {
  .profile {
    margin-top: 20px;
    flex-direction: column;
  }
  #mainBox .profile__img {
    margin: 0 auto;
  }
  #mainBox .profile__name {
    text-align: center;
  }
}

/* about */
#about .about__img {
  display: block;
  margin: 0 auto 30px;
  max-width: 400px;
}
@media (width < 600px) {
  #about .about__img {
    margin: 0 auto 20px;
  }
}

/* youtube */
#trailer {
  margin: 30px 0;
  padding: 0 15px;
}
#trailer .video {
  max-width: 680px;
  aspect-ratio:16/9;
}
#trailer .video iframe {
  width:100%;
  height:100%;
}
#trailer .trailer__note {
  font-size: 12px;
}

/* 製品情報 */
#mainBox .product .product__img {
  display: block;
  margin: 0 auto 20px;
  max-width: 580px;
}
#mainBox .product .product__name {
  font-family: 'Cabin', sans-serif;
  font-size: 20px;
  font-weight: bold;
}
#mainBox .product .btn {
  max-width: 300px;
  margin: 40px auto 0;
}
#mainBox .product .btn a img {
  display: block;
  margin: 10px 0;
}