@charset "UTF-8";
ul,ol,li {
  list-style: none;
  margin: 0;
  padding: 0;
}
#content {
  font-size: 20px;
}
#content * {
  box-sizing: border-box;
}
#content .container {
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}
#content .container_2 {
  max-width: 1410px;
  margin: 0 auto;
}
#content .container-l {
  width: 100%;
  max-width: 1920px;
  margin-left: auto;
  margin-right: auto;
}

.mt0 {
  margin-top: 0 !important;
} 

img.block-img {
  width: 100%;
  height: auto;
}
.box-img img.inline-img,
img.inline-img {
  width: auto;
}


.headline_1 {
  color: #fff;
  font-size: 2.5em;
  font-weight: bold;
  line-height: 1.6;
}
.headline_2 {
  color: #fff;
  font-size: 1.75em;
  font-weight: bold;
  line-height: 1.457;
}
.headline_3 {
  margin-bottom: 0;
  line-height: 0;
}
.text_1 {
  color: #fff;
  font-size: 1em;
  width: 100%;
  line-height: 1.45;
}
.box-img {
  text-align: center;
}
.box-img img {
  width: 100%;
  height: auto;
}

.sec1,
.sec2,
.sec3,
.sec4,
.sec5,
.sec6,
.sec7 {
  position: relative;
  background-color: #000;
  background-size: 100%;
}
.sec2 .text_1,
.sec4 .text_1,
.sec5 .text_1,
.sec6 .text_1 {
  text-align: center;
}
.sec2 .container {
  padding: 32.6em 0;
}
.sec3 .container_2 {
  padding: 6.8em 0 5.85em;
}
.sec4 .container,
.sec5 .container,
.sec6 .container_2 {
  padding: 5em 0;
}

.mv {
  position: relative;
  /* margin-top: 184px; */
  max-width: 1920px;
  margin: auto;
}
.mv_wrap,
.sec2_wrap {
  position: relative;
  width: 100%;
}
.mv h1 {
  margin: 0;
}
.mv .text_1 {
  margin-top: 1.6em;
  margin-bottom: 1.85em;
  text-align: center;
}
.mv .text_1.txt_1 {
  /* margin-top: 0; */
  margin-bottom: 1.0em;
}
.mv_img img {
  display: block;
  width: 100%;
  height: auto;
}
.con_mv,
.sec2_1 {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
}
.mv .mv_left {
  position: absolute;
  top: 35%;
  left: 2%;
  transform: translateY(-20%);
}
.mv .slide_text {
  margin: 0 auto;
}
.mv h1 {
  line-height: 0;
}
.mv h1 img {
  opacity: 1;
  width: 100%;
  max-width: 538px;
  height: auto;
}
.mart-price1 .site-nav-menu_webmart_btn {
  margin-top: 0;
  text-align: center;
  font-size: 100%;
}
/* youtube */
.mv .mv_bottom {
  position: absolute;
  top: 90%;
  left: 50%;
  transform: translate(-50%, -90%);
}
.mv .mv-tit-item .link_youTube {
  position: relative;
  max-width: 650px;
  width: 100%;
  margin: 0 auto;
  margin-top: min(calc(30 / 769 * 100 * 1vw), 80px);
}
.mv .mv-tit-item .link_youTube iframe {
  max-width: 100%;
  aspect-ratio: 650 / 366;
  height: auto;
}
.mv .mv-tit-item .link_youTube img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.feature-2 {
  max-width: 1920px;
  margin: auto;
}
.sec2 .text_1 {
  margin-top: 5.5em;
  line-height: 3.5;
}
.sec2_center {
  position: absolute;
  top: 25%;
  left: 50%;
  transform: translate(-50%, -20%);
  width: 100%;
}

.sec3 .headline_1 {
  margin-bottom: 0;
  line-height: 1.44;
}
.sec3_box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.075em 1.25em;

  width: calc(100% - 40px);
  max-width: 1410px;
  margin: 2.75em auto 0;
  font-size: 2.9em;
}
.sec3_box span {
  font-size: 0.552em;
  font-weight: normal;
}

.sec3_box-wrapper {
  min-width: 0;
}

.sec3_box-wrapper--large {
  width: 100%;
  grid-column: 1 / -1;
}

.sec3_box-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  width: 100%;
  min-height: 300px;
  padding: 20px;

  background-color: #656771;
  border-radius: 0.625em;

  color: #fff;
  /* font-size: 18px; */
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;

  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}
.sec3_box-item.sec3_box_01 {
	background: url(/fmv/accessory/keyboard_x/2610/images/feature03_01.webp) no-repeat center top #000;
  background-size: 1410px;
}
.sec3_box-item.sec3_box_02 {
  background: url(/fmv/accessory/keyboard_x/2610/images/feature03_02.webp) no-repeat center top #000;
  background-size: 680px;
}
.sec3_box-item.sec3_box_03 {
  background: url(/fmv/accessory/keyboard_x/2610/images/feature03_03.webp) no-repeat center top #000;
  background-size: 680px;
}
.sec3_box_01 {
  position: relative;
}
.sec3_box_01 > div {
  position: absolute;
  left: 100px;
}
.sec4 .container {
  padding-right: 2%;
  padding-left: 2%;
}
.sec4 .container.sec4_2 {
  padding-bottom: 11em;
}
.sec4 .text_1 {
  margin-top: 1.5em;
}
.sec4_1 .text_1 {
  margin-bottom: 5em;
}
.sec4_2 .text_1 {
  margin-bottom: 2.5em;
}
.box-img_sec4_1 {
  max-width: 1100px;
}

.sec5 .container {
  padding-right: 2%;
  padding-left: 2%;
}
.sec5 .container.sec5_1 {
  padding-bottom: 10.5em;
}
.sec5 .container.sec5_2 {
  padding-bottom: 8.15em;
}
.sec5 .text_1 {
  margin-top: 2.5em;
}
.sec5_1 .text_1 {
  margin-bottom: 8.75em;
}
.sec5_2 .text_1 {
  margin-bottom: 0.75em;
}
.box-img_sec5_1 {
  max-width: 1120px;
}
.box-img_sec5_2 {
  max-width: 1068px;
}

.sec6 .container_2 {
  padding-right: 2%;
  padding-left: 2%;
}
.sec6 .container_2.sec6_1 {
  padding-bottom: 2.15em;
}
.sec6 .container_2.sec6_2 {
  padding-bottom: 0;
}

.sec6 .text_1 {
  margin-top: 1.95em;
}
.sec6_1 .text_1 {
  margin-bottom: 5.35em;
}
.box-img_sec6_1 {
  max-width: 1410px;
}

/* 2カラム構成 */
.card-2column {
  display: flex;
  justify-content: space-between;
  gap: 3%;
}
.card-2column .card-wrap {
  width: calc(calc(100% - 3%) / 2);
}
.card {
  background-color: #000;
}
.text_1.card__text {
  margin-top: 1.35em;
  margin-bottom: 2.25em;
  padding: 0 1.25em;
  text-align: left;

}
.card__img {
  width: 100%;
  height: auto;
}

.sec7 .container {
  padding-right: 2%;
  padding-left: 2%;
}
.sec7 .headline_3 {
  margin-top: 0.682em;
  margin-bottom: 0.682em;
}
.sec7 .container.sec7_1 {
  padding-top: 15.0em;
  padding-bottom: 9.15em;
  text-align: center;
}
/* .sec7 img {
  width: auto;
} */
.box-img_sec7_1 {
  max-width: 800px;
}
.mart-price2 .site-nav-menu_webmart_btn {
  text-align: center;
  letter-spacing: 0.02em;
  margin-top: 0;
  padding-top: 0;
  font-size: initial;
}
.mart-price1 a,
.mart-price2 a {
  font-size: 18px;
  display: inline-block;
  text-decoration: none;
  font-weight: bold;
  background-color: #3493FF;
  border-radius: 23px;
}

@media screen and (max-width: 1000px) {
  #content {
    font-size: 2vw;
  }
  .mv .mv_left {
    top: 25%;
  }
}
@media screen and (min-width:769px) {
  #site-nav #site-nav-headline {
    display: none;
    flex: 0 0 auto;
  }

  #site-nav #site-nav-menu {
    flex: 0 0 100%;
    width: 100%;
  }
}
@media screen and (max-width:800px) {
  .sec7 .box-img img.inline-img {
    width: 100%;
  }
}
@media screen and (max-width:768px) {
  img {
    max-width: 100%;
  }
  #content {
    font-size: 5.34vw;
  }
  #content .container,
  #content .container_2 {
    max-width: 100%;
  }

  .headline_1 {
    font-size: 1.198em;
    /* font-size: 1.086em; */
  }
  .headline_2 {
    font-size: 1.198em;
  }
  .text_1 {
    font-size: 0.699em;
  }

  .sec4 .text_1,
  .sec5 .text_1,
  .sec6 .text_1 {
    text-align: left;
    padding-right: 2.8572em;
    padding-left: 2.8572em;
    line-height: 1.572;
  }
  .sec3 .container_2 {
    padding: 3.4946em 0 3.9938em;
    /* padding: 3.16832em 0 3.62094em; */
  }
  .sec4 .container,
  .sec5 .container,
  .sec6 .container_2 {
    padding: 2.8955em 0;
  }

  .mv .mv_left {
    left: 50%;
    transform: translatex(-50%);
    width: 80%;
    top: 3.0%;
  }
  .mv .text_1 {
    margin-top: 1.29em;
    margin-bottom: 1.29em;
    font-size: 0.649em;
  }
  /* .mv .text_1.txt_1 {
    margin-bottom: 0;
  } */
  .mv .text_1.txt_2 {
    margin-bottom: 0;
  }
  .mv .mv_bottom,
  .mv .mv-tit-item,
  .mv .mv-tit-item .link_youTube {
    width: 100%;
  }
  .mv .mv-tit-item .link_youTube {
    max-width: 320px;
  }
  .mv .mv_bottom {
    margin-top: 10%;
  }

  .feature-2 {
    width: 100%;
  }
  .sec2_center {
    top: 12%;
  }
  .sec2 .text_1 {
    line-height: 2.5;
  }
  .sec2_img img {
    width: 100%;
    height: auto;
  }

  .sec3 .headline_1 {
    letter-spacing: 0.05em;
  }
  .sec3_box {
    display: flex;
    flex-direction: column;
    grid-gap: 0.8334em;
    width: calc(100% - 56px);
    max-width: 100%;
    /* font-size: 0.905em; */
    font-size: 1.358em;
    margin-top: 2.3334em;
    align-items: center;
  }
  .sec3_box-wrapper {
    min-width: 100%;
  }
  .sec3_box-item {
    min-height: 300px;
    justify-content: center;
    text-align: center;
    border-radius: 1.25em;
    line-height: 1.5;
  }
  .sec3_box-item.sec3_box_01 {
    background: url(/fmv/accessory/keyboard_x/2610/images/feature03_01_sp.webp) no-repeat center top #000;
    background-size: 318px;
    background-size: cover;
    aspect-ratio: 53 / 50;
  }
  .sec3_box-item.sec3_box_02 {
    background: url(/fmv/accessory/keyboard_x/2610/images/feature03_02_sp.webp) no-repeat center top #000;
    background-size: cover;
    aspect-ratio: 53 / 50;
  }
  .sec3_box-item.sec3_box_03 {
    background: url(/fmv/accessory/keyboard_x/2610/images/feature03_03_sp.webp) no-repeat center top #000;
    background-size: cover;
    aspect-ratio: 53 / 50;
  }
  .sec3_box span {
    font-size: 0.5334em;
  }
  .sec3_box_01 > div {
    left: auto
  }
  .sec4 .box-img {
    padding: 0 1.5em;
  }
  .sec4_2 .headline_1,
  .sec7_1.box-img {
    padding: 0 1.5em;
  }
  .sec4 .container.sec4_2 {
    padding-bottom: 4.493em;
  }

  .sec5_1 .text_1 {
    margin-bottom: 4.3em;
  }
  .sec5_1 .box-img {
    padding-left: 0;
  }
  .sec5 .container.sec5_1 {
    padding-bottom: 2.497em;
  }
  .sec5 .container.sec5_2 {
    padding-bottom: 4.993em;
  }

  .sec6_1 .text_1 {
    margin-bottom: 3.93em;
  }
  .sec6_1 .box-img,
  .sec6_2 .box-img {
    padding: 0 0.9em;
  }
  .sec6 .container_2.sec6_1 {
    padding-bottom: 0;
  }
  .card-2column {
    display: block;
  }
  .card-2column .card-wrap {
    width: 100%;
    margin-bottom: 12.5%;
  }
  .card-2column .card-wrap:last-child {
    margin-bottom: 0;
  }
  .sec7 .container.sec7_1 {
    padding-top: 4.527em;
    padding-bottom: 2.193em;
  }
  .sec7 .headline_3 {
    margin-top: 1.135em;
    margin-bottom: 0.27em;
  }
  .sec7 p {
    margin-bottom: 0;
  }
}
@media screen and (min-width: 376px) and (max-width: 420px) {
  .nav-bottom .nav-bottom-title {
    font-size: 200%;
  }
}