.nav-shouhin {
  padding: 60px 0 0;
  position: relative;
  overflow: hidden;
}

.nav-shouhin-bg {
  position: absolute;
  top: 140px;
  left: calc(50% + 300px);
  width: 600px;
  aspect-ratio: 600/600;
  background-image: url(../img/shouhin/shouhin-bg.webp);
  background-size: 600px;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

.nav-shouhin .container {
  position: relative;
  z-index: 1;
}

.nav-shouhin .nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 45px;
  justify-content: space-between;
  padding: 0;
  list-style: none;
}

.nav-shouhin .nav-item {
  width: 46%;
}

.nav-shouhin .nav-item a {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  width: 100%;
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 24px;
  font-weight: 700;
  line-height: 1.16667;
  text-decoration: none !important;
  transition: opacity 0.3s ease;
}

.nav-shouhin .nav-item a:hover {
  opacity: 0.8;
}

.nav-shouhin .nav-image {
  width: 100%;
  margin-bottom: 25px;
}

.nav-shouhin .nav-item a svg {
  width: 26px;
  margin: 0 8px;
}

/* -------------------------------------------------------------- 取り扱い商品 -------------------------------------------------------------- */
.shouhin {
  padding: 30px 0;
  position: relative;
  overflow: hidden;
}

.shouhin-bg {
  position: absolute;
  width: 600px;
  aspect-ratio: 600/600;
  background-image: url(../img/shouhin/shouhin-bg.webp);
  background-size: 600px;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
}

#shouhin-1 .shouhin-bg {
  top: 600px;
}

#shouhin-2 .shouhin-bg {
  top: 400px;
}

#shouhin-4 .shouhin-bg.shouhin-bg-left {
  top: 150px;
}

#shouhin-4 .shouhin-bg.shouhin-bg-right {
  bottom: 100px;
}

#shouhin-4 .shouhin-bg.shouhin-bg-right-2 {
  top: 400px;
  left: calc(50% + 300px);
}

.shouhin-bg-right {
  left: calc(50% + 300px);
}

.shouhin-bg-left {
  left: calc(50% - 900px);
}

.shouhin-bg-mobile {
  display: none;
}

.shouhin .container {
  position: relative;
  z-index: 1;
}

.shouhin-title {
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 40px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 10px;
}

.shouhin-subtitle {
  color: #6894d1;
  font-family: "Noto Sans JP";
  font-size: 24px;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 40px;
  margin-top: 0;
}

.shouhin-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 25px 5%;
}

.shouhin-item {
  width: 30%;
}

.shouhin-item:last-of-type {
  margin-right: auto;
}

.shouhin-item-image {
  width: 100%;
  aspect-ratio: 330/250;
  object-fit: contain;
  object-position: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.00) 0%, #F0F4FA 35.1%, #D2E4FF 100%);
}

.shouhin-item-text {
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}

.shouhin-item-note {
  color: #000;
  font-family: "Noto Sans JP";
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
}

/*  */
.shouhin-video {
  padding: 50px 0;
  background-color: #f0f4fa;
}

.shouhin-video .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.shouhin-video-title {
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 24px;
  font-weight: 700;
  line-height: 1.16667;
  margin-bottom: 20px;
  text-align: left;
  margin-right: auto;
}

.shouhin-video-iframe {
  width: 86%;
  aspect-ratio: 946/530;
  margin-top: 30px;
}

/* -------------------------------------------------------------- 施工要領書 -------------------------------------------------------------- */
.sekou {
  padding: 50px 0;
}

.sekou-title {
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 40px;
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 10px;
}

.sekou-subtitle {
  color: #6894d1;
  font-family: "Noto Sans JP";
  font-size: 24px;
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: 40px;
  margin-top: 0;
}

.sekou-text {
  color: #000;
  font-family: "Noto Serif JP";
  font-size: 24px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.75;
}

.sekou-link {
  color: #dc143c;
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (max-width: 1200px) {
  .sekou .container {
    padding: 0 4vw;
  }

  .nav-shouhin .container {
    padding: 0 4vw;
  }

  .nav-shouhin-bg {
    width: 50vw;
    top: 12vw;
    background-size: 50vw;
    left: calc(50% + 25vw);
  }

  .shouhin .container {
    padding: 0 4vw;
  }

  .shouhin-bg {
    width: 50vw;
    background-size: 50vw;
  }

  #shouhin-1 .shouhin-bg {
    top: 50vw;
  }

  #shouhin-2 .shouhin-bg {
    top: 33vw;
  }

  #shouhin-4 .shouhin-bg.shouhin-bg-left {
    top: 12vw;
  }

  #shouhin-4 .shouhin-bg.shouhin-bg-right {
    bottom: 8.3vw;
  }

  .shouhin-bg-right {
    left: calc(50% + 25vw);
  }

  .shouhin-bg-left {
    left: calc(50% - 75vw);
  }

  .shouhin-item-text {
    font-size: min(14px, 1.65vw);
  }
  .shouhin-list {
    gap: 4vw 4%;
  }
}

@media (max-width: 767px) {
  .nav-shouhin {
    padding: 5vw 0 0;
    overflow: hidden;
    max-width: 100%;
  }

  .nav-shouhin .container {
    padding: 0 5vw;
    overflow: hidden;
    max-width: 100%;
  }

  .nav-shouhin .nav-list {
    flex-direction: column;
    gap: 8vw;
    margin-top: 4vw;
    margin-bottom: 6vw;
  }

  .shouhin-title {
    font-size: 5.2vw;
  }
  .shouhin-subtitle {
    font-size: 4.2vw;
    margin-bottom: 6vw;
  }

  .shouhin-item-text {
    font-size: 3.2vw;
    white-space: normal;
    font-weight: 500;
  }
  .shouhin-item-note {
    font-size: 3.2vw;
    font-weight: 400;
  }

  .nav-shouhin .nav-image {
    display: none;
  }

  .nav-shouhin-bg {
    display: none;
  }

  .shouhin {
    padding: 5vw 0;
    overflow: hidden;
    max-width: 100%;
  }

  .shouhin .container {
    padding: 0 5vw;
    overflow: hidden;
    max-width: 100%;
  }

  .shouhin-bg {
    width: 100vw;
    top: 20vw;
    background-size: 100vw;
  }

  .shouhin-bg-right {
    left: auto;
    right: 0;
    transform: translateX(50%);
  }

  .shouhin-bg-left {
    left: 0;
    transform: translateX(-50%);
  }

  .shouhin-list {
    gap: 4vw 4%;
  }

  .shouhin-item {
    width: 48%;
  }
  .nav-shouhin .nav-item a {
    font-size: 4.6vw;
  }
  .nav-shouhin .nav-item a svg {
    width: 6vw;
    height: auto;
  }

  #shouhin-1 .shouhin-bg.shouhin-bg-left {
    top: 0;
    background-position: top;
    left: 0;
  }

  #shouhin-1 .shouhin-bg-mobile {
    display: block;
    top: auto;
    bottom: -30vw;
    right: 0;
    transform: translateX(50%);
    left: auto;
    background-position: bottom;
  }
  .shouhin-video-title {
    font-size: 4.2vw;
  }

  #shouhin-2 .shouhin-bg {
    left: 0;
    right: unset;
    transform: translateX(-50%);
    top: 100vw;
  }

  #shouhin-4 .shouhin-bg.shouhin-bg-left {
    top: 20vw;
    left: unset;
    right: 0;
    transform: translateX(50%);
  }

  #shouhin-4 .shouhin-bg.shouhin-bg-right {
    top: 250vw;
    left: 0;
    right: unset;
    transform: translateX(-50%);
  }

  #shouhin-4 .shouhin-bg.shouhin-bg-right-2 {
    bottom: -20vw;
    right: 0;
    left: auto;
    transform: translateX(50%);
    top: unset;
  }
  .sekou-text {
    font-size: 3.7vw;
  }
}

.shouhin-item-link {
  display: block;
  width: 30%;
  transition: all 0.3s ease;
  text-decoration: none !important;
  position: relative;
}

.shouhin-item-link:hover {
  opacity: 0.8;
}

.shouhin-item-link-image {
  width: 100%;
}

.shouhin-item-link-text {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  position: absolute;
  top: 179px;
  left: 0;
  width: 100%;
  height: 41px;
  background-color: #6894d1;
  color: #fff !important;
  font-family: "Noto Serif JP";
  font-size: 16px;
  font-weight: 700;
}

.shouhin-item-link-arrow {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

@media (max-width: 1200px) {
  .shouhin-item-link-text {
    font-size: 1.6vw;
    top: 14.5vw;
    height: 4vw;
    padding: 0 1.6vw;
  }

  .shouhin-item-link-arrow {
    width: 2vw;
    height: 2vw;
  }
}

@media (max-width: 767px) {
  .shouhin-item-link {
    width: 100%;
  }
  .shouhin-item-link-text {
    font-size: 3.2vw;
    top: 52.1vw;
    height: 8vw;
    padding: 0 3.2vw;
  }

  .shouhin-item-link-arrow {
    width: 4vw;
    height: 4vw;
  }
}