:root .yamaha-container {
  --color-main: #48217a;
}

html {
  scroll-behavior: smooth;
  --plyr-color-main: #f00;
}

.yamaha-container {
  max-width: 1120px;
  margin: 30px auto;
  color: #333;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .03em;
}

@media (max-width: 1024px) {
  .yamaha-container {
    margin: 0 auto 30px;
  }
}

.yamaha-container ul {
  padding-inline-start: 0;
  list-style-type: none;
}

.yamaha-container img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

.yamaha-container .nowrap {
  white-space: nowrap;
}

.yamaha-container p + p {
  margin-top: 0.8em;
}

.yamaha-container .content-head {
  border-top: 8px solid var(--color-main);
}

.yamaha-container .content-head img {
  margin-bottom: 16px;
}

.yamaha-container .ttl-top,
.yamaha-container .content-head p {
  max-width: 1080px;
  margin-left: auto;
  margin-right: auto;
}

.yamaha-container .ttl-top {
  font-weight: bold;
  font-size: 22px;
  color: #555;
  margin-bottom: 6px;
}

/* nav */
.yamaha-container .block-nav {
  margin: 40px 0 32px;
}

.yamaha-container .list-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
  grid-auto-flow: column;
}

.yamaha-container .list-nav a {
  display: block;
  background: #aaa;
  font-size: 15px;
  padding: 14px 10px;
  color: #fff;
  transition: .3s;
  text-align: center;
  line-height: 1.4;
}

.yamaha-container .list-nav a:not(.link-anchor) {
  border-radius: 32px;
}

.yamaha-container .list-nav a.link-anchor::before {
  content: "▼";
  margin-right: 4px;
}

.yamaha-container .list-nav a:hover {
  background: var(--color-main);
  text-decoration: none;
}

.yamaha-container .list-nav span {
  white-space: nowrap;
}

@media (width < 1400px) {
  .yamaha-container .list-nav a {
    font-size: 14px;
  }
}

.yamaha-container section {
  margin: 80px auto 0;
  /* max-width: 1080px; */
}

.yamaha-container .ttl-sec {
  font-size: 23px;
  color: #fff;
  padding: 12px 18px 10px;
  background: var(--color-main);
  background-size: cover;
  margin-bottom: 32px;
  font-weight: bold;
  line-height: 1.4;
}

.yamaha-container .box-content {
  margin: 32px auto 0;
  max-width: 1080px;
}

.yamaha-container .mod-movie {
  position: relative;
  padding-top: 56.25%;
}

.yamaha-container .mod-movie iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.yamaha-container .wrap {
  display: flex;
  gap: 0 3%;
}

.yamaha-container .wrap .box-img {
  width: 320px;
  flex-shrink: 0;
}

.yamaha-container .wrap .box-txt {
  flex: 1;
}

.yamaha-container .ttl-feature {
  font-weight: bold;
  margin-bottom: 16px;
  line-height: 1.5;
  font-size: 20px;
  padding-left: 16px;
  border-left: 16px solid #888;
}

.yamaha-container figure {
  text-align: center;
}

/* .column-3 */
.yamaha-container .column-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto auto;
  gap: 8px 16px;
}

.yamaha-container .column-3 .column {
  display: grid;
  grid-row: 1 / -1;
  grid-template-rows: subgrid;
}

/* .tile-feature */
.yamaha-container .column-3 .tile-feature {
  display: grid;
  grid-row: 1 / -1;
  grid-template-rows: subgrid;
}

.yamaha-container .ttl-tile {
  font-weight: bold;
  color: #444;
  line-height: 1.4;
}

.yamaha-container .tile-wide {
  display: grid;
  grid-template-columns: 40% auto;
  grid-template-rows: auto auto;
  gap: 8px 16px;
}

.yamaha-container .tile-wide .img-tile {
  grid-column: 1;
  grid-row: 1 / -1;
}

.yamaha-container .tile-wide .ttl-tile {
  grid-column: 2;
  grid-row: 1;
}

.yamaha-container .tile-wide .txt-tile {
  grid-column: 2;
  grid-row: 2;
}

.yamaha-container .tile-wide-reverse {
  grid-template-columns: auto 40%;
}

.yamaha-container .tile-wide-reverse .img-tile {
  grid-column: 2;
}

.yamaha-container .tile-wide-reverse .ttl-tile,
.yamaha-container .tile-wide-reverse .txt-tile {
  grid-column: 1;
}

/* table */
.yamaha-container .mod-tbl {
  overflow-x: auto;
}

.yamaha-container .mod-tbl table {
  width: 100%;
  border-collapse: collapse;
}

.yamaha-container .mod-tbl th,
.yamaha-container .mod-tbl td {
  padding: 8px 10px;
  border: 1px solid #ccc;
  font-size: 15px;
  line-height: 1.5;
  text-align: center;
}

.yamaha-container .mod-tbl td .td-content {
  display: inline-block;
  margin: 0 auto;
  max-width: 100%;
  text-align: left;
}

.yamaha-container .mod-tbl th {
  background: #eee;
  font-weight: normal;
  width: 350px;
}

.yamaha-container .mod-tbl .head th {
  background-color: rgba(72,33,122,.6);
}

.yamaha-container .mod-tbl .head a {
  color: #fff;
  text-decoration: underline;
}

.yamaha-container .mod-tbl .head a:hover {
  text-decoration: none;
}

.yamaha-container .mod-tbl .label {
  border: 0;
  background: none;
  font-weight: bold;
  color: #555;
  padding: 16px 0 8px;
}

.yamaha-container .list-note {
  font-size: 13px;
  margin-top: 16px;
}

.yamaha-container .list-note li + li {
  margin-top: 0.4em;
}

/* 動画 */
.yamaha-container .list-video {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.yamaha-container .list-video li {
  position: relative;
}

.yamaha-container .list-video a::after {
  position: absolute;
  display: block;
  content: "";
  width: 100%;
  aspect-ratio: 16 / 9;
  top: 0;
  left: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" height="100%" version="1.1" viewBox="0 0 68 48" width="100%" fill="%23ffffff"><path d="M66.52,7.74c-0.78-2.93-2.49-5.41-5.42-6.19C55.79,.13,34,0,34,0S12.21,.13,6.9,1.55 C3.97,2.33,2.27,4.81,1.48,7.74C0.06,13.05,0,24,0,24s0.06,10.95,1.48,16.26c0.78,2.93,2.49,5.41,5.42,6.19 C12.21,47.87,34,48,34,48s21.79-0.13,27.1-1.55c2.93-0.78,4.64-3.26,5.42-6.19C67.94,34.95,68,24,68,24S67.94,13.05,66.52,7.74z" fill="%23f00"></path><path d="M 45,24 27,14 27,34" fill="%23fff"></path></svg>') no-repeat center center;
  background-size: 25%;
  opacity: 0.6;
  transition: 0.3s;
}

.yamaha-container .list-video a:hover::after {
  opacity: 0.9;
}

.yamaha-container .list-video img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.yamaha-container .list-video p {
  margin-top: 0.5em;
  line-height: 1.5;
  font-size: 15px;
}

/* 関連コンテンツ */
.yamaha-container .list-content {
  display: flex;
  gap: 3%;
}

.yamaha-container .list-content p {
  margin-top: 8px;
  text-align: center;
}



@media (max-width: 1120px) and (min-width: 601px) {

  .yamaha-container .content-head h2,
  .yamaha-container .content-head p,
  .yamaha-container .block-nav {
    margin-left: 16px;
    margin-right: 16px;
  }

}



@media (max-width: 600px) {

  .yamaha-container {
    font-size: 14px;
  }

  .yamaha-container .content-head {
    border-top: none;
  }

  .yamaha-container .content-head img {
    margin-bottom: 16px;
    border-bottom: 8px solid var(--color-main);
  }

  .yamaha-container .ttl-top,
  .yamaha-container .content-head p {
    margin-left: 12px;
    margin-right: 12px;
  }

  .yamaha-container .ttl-top {
    font-size: 18px;
  }

  .yamaha-container .block-nav {
    margin: 32px 16px 24px;
  }

  .yamaha-container .list-nav {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(8, 1fr);
  }

  .yamaha-container .list-nav a {
    padding: 10px 12px;
  }

  .yamaha-container section {
    margin: 40px auto 0;
  }

  .yamaha-container .ttl-sec {
    font-size: 18px;
  }

  .yamaha-container .wrap {
    gap: 16px;
    flex-direction: column;
  }

  .yamaha-container .box-content {
    margin: 16px 12px;
    flex-direction: column-reverse;
  }

  .yamaha-container .wrap+.wrap {
    margin-top: 12px;
    border-top: 1px dotted #999;
    padding-top: 16px;
  }

  .yamaha-container .wrap .box-img {
    width: auto;
    order: -1;
  }

  .yamaha-container .ttl-feature {
    font-size: 18px;
  }

  .yamaha-container .column-3 {
    display: block;
  }

  .yamaha-container .column-3 .column {
    margin-top: 16px;
    display: block;
  }

  .yamaha-container .column-3 .tile-feature {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .yamaha-container .tile-wide {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .yamaha-container .mod-tbl {
    margin-inline: -16px;
    padding-inline: 16px;
  }

  .yamaha-container .mod-tbl th,
  .yamaha-container .mod-tbl td {
    width: auto;
    vertical-align: middle;
  }

  .yamaha-container .list-video {
    margin-inline: 16px;
    grid-template-columns: 1fr;
  }
}