/* ============================================================
   CONFIG
   基準幅を変数で管理。px値 ÷ --base × 100vw で自動計算。
   PC基準: 1366px / SP基準: 375px
   ============================================================ */

:root {
  --base: 1366;
  --base-sp: 375;
}

/* ============================================================
   BASE
   ============================================================ */

p {
  color: #000;
  margin: 0;
}

p.is_white {
  color: #fff;
}

/* ============================================================
   UTILITY
   ============================================================ */

.u_pc {
  display: block;
}
@media screen and (max-width: 767px) {
  .u_pc {
    display: none;
  }
}

.u_sp {
  display: none;
}
@media screen and (max-width: 767px) {
  .u_sp {
    display: block;
  }
}

/* ============================================================
   TOP_CONCEPT
   ============================================================ */

/* header分さげる */
#business_showcase {
    padding-top: 93px;
}
/* SP */
@media screen and (max-width: 767px) {
    #business_showcase {
        padding-top: calc(70 / var(--base-sp) * 100vw);
    }
}
/* header分さげる */

.un_business_showcase {
  position: relative;
}

.un_business_showcase_inner {
  position: absolute;
  top: 56%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  width: 100%;
  text-align: center;
}

@media screen and (max-width: 767px) {
.un_business_showcase_inner {
  top: 62%;
}

}
.un_business_showcase_txt img {
  width: max(0px, min(44vw, 600px));
}

@media screen and (max-width: 767px) {
  .un_business_showcase_txt img {
    width: 80vw;
  }
}

.un_business_showcase_bg img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================================
   un_company_links
   ============================================================ */

.un_company_links {
  padding: calc(80 / var(--base) * 100vw) calc(230 / var(--base) * 100vw);
  background-color: #fff;
  text-align: center;
}

.un_company_links_ttl {
  font-size: calc(40 / var(--base) * 100vw);
  letter-spacing: 0.1em;
  margin-bottom: calc(48 / var(--base) * 100vw);
  color: #333;
  font-family: "Minion Pro", serif;
  font-style: italic;
  font-weight: 500;
}

.un_company_links_list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: calc(26 / var(--base) * 100vw) calc(40 / var(--base) * 100vw);
  list-style: none;
  padding: 0;
  margin: 0;
}

.un_company_links_list li a::after {
  content: "﹀";
  display: inline-block;
  margin-left: 0.4em;
  font-size: 0.8em;
  vertical-align: middle;
}

.un_company_links_list li a {
  font-size: calc(14 / var(--base) * 100vw);
  color: #333;
  text-decoration: none;
  letter-spacing: 0.12em;
  border-bottom: 1px solid #333;
  padding-bottom: calc(4 / var(--base) * 100vw);
  transition: opacity 0.3s ease;
}

.un_company_links_list li a:hover {
  opacity: 0.6;
}

/* SP */
@media screen and (max-width: 767px) {
  .un_company_links {
    padding: calc(60 / var(--base-sp) * 100vw) calc(40 / var(--base-sp) * 100vw);
  }

  .un_company_links_ttl {
    font-size: calc(22 / var(--base-sp) * 100vw);
    margin-bottom: calc(40 / var(--base-sp) * 100vw);
  }

  .un_company_links_list {
    flex-direction: column;
    align-items: center;
    gap: calc(24 / var(--base-sp) * 100vw);
  }

  .un_company_links_list li a {
    font-size: calc(14 / var(--base-sp) * 100vw);
  }
}

/* ============================================================
   un_business_companies
   ============================================================ */


.un_business_companies {
  position: relative;
  background-color: #fff;
}


/* 左メーター */
.un_business_companies_meter {
  position: sticky;
  top: 0;
  height: 100vh;
  width: clamp(0px, calc(40 / var(--base) * 100vw), 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  float: left;
}

.un_business_companies_meter_line {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1px;
  height: 16%;
  background-color: rgba(0, 0, 0, 0.2);
}

.un_business_companies_meter_dots {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  gap: clamp(0px, calc(14 / var(--base) * 100vw), 14px);
  align-items: center;
}

.un_business_companies_meter_dot {
  width: clamp(0px, calc(6 / var(--base) * 100vw), 6px);
  height: clamp(0px, calc(6 / var(--base) * 100vw), 6px);
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.2);
  transition:
    background-color 0.3s ease,
    transform 0.3s ease;
  cursor: pointer;
}

.un_business_companies_meter_dot.is-active {
  background-color: #fff;
  transform: scale(1.5);
}

/* stickyコンテナ */
.un_business_companies_inner {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

/* アイテム */
.un_business_companies_item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.un_business_companies_item.is-active {
  opacity: 1;
}

/* 背景 */
.un_business_companies_bgs {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  margin-bottom: -100vh;
  z-index: 0;
}

.un_business_companies_bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.un_business_companies_bg.is-active {
  opacity: 1;
}

.un_business_companies_bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  object-position: right;
}

/* コンテンツ */
.un_business_companies_content {
  position: absolute;
  top: 55%;
  left: 52%;
  transform: translate(-50%, -50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: calc(60 / var(--base) * 100vw);
}

.un_business_companies_img {
  width: calc(1200 / var(--base) * 100vw);
  max-width: none;
  height: auto;
  display: block;
}

/* ボタン */
.un_business_companies_btn {
  display: block;
  position: relative;
}

.un_business_companies_btn img {
  width: calc(295 / var(--base) * 100vw);
  height: auto;
  display: block;
}

.un_business_companies_btn_default {
  position: relative;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.un_business_companies_btn_hover {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.un_business_companies_btn:hover .un_business_companies_btn_default {
  opacity: 0!important;
}

.un_business_companies_btn:hover .un_business_companies_btn_hover {
  opacity: 1!important;
}

.un_business_companies_btn:hover {
    opacity: 1 !important;
}



/* SP */
@media screen and (max-width: 767px) {
  .un_business_companies_inner {
    position: static;
    height: auto;
    overflow: visible;
  }

  .un_business_companies_item {
    position: relative;
    width: 100%;
    height: auto;
    opacity: 1;
  }

  .un_business_companies_bg {
    position: relative;
    width: 100%;
    height: calc(600 / var(--base-sp) * 100vw);
  }

  .un_business_companies_content {
    position: static;
    transform: none;
    padding: calc(40 / var(--base-sp) * 100vw) calc(40 / var(--base-sp) * 100vw);
    gap: calc(30 / var(--base-sp) * 100vw);
  }

  .un_business_companies_img {
    width: 100%;
    object-fit: contain; 
  }

  .un_business_companies_btn img {
    aspect-ratio: auto;
  }
}

@media screen and (max-width: 767px) {
  .un_business_companies {
    height: auto !important;
  }

  .un_business_companies_bgs {
    display: none; /* SPでは非表示 */
  }

  .un_business_companies_inner {
    position: static;
    height: auto;
    overflow: visible;
  }

  .un_business_companies_item {
    position: relative;
    height: auto;
    opacity: 1;
    display: flex;
    flex-direction: column;
  }

  /* SP背景は各アイテムに設定 */
  .un_business_companies_item:nth-child(1) {
    background-image: url("../../img/business/company_01_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(2) {
    background-image: url("../../img/business/company_02_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(3) {
    background-image: url("../../img/business/company_03_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(4) {
    background-image: url("../../img/business/company_04_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(5) {
    background-image: url("../../img/business/company_05_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(6) {
    background-image: url("../../img/business/company_06_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(7) {
    background-image: url("../../img/business/company_07_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }
  .un_business_companies_item:nth-child(8) {
    background-image: url("../../img/business/company_08_bg_sp.webp");
    background-size: cover;
    background-position: center;
  }

  .un_business_companies_content {
    position: static;
    transform: none;
    padding: calc(50 / var(--base-sp) * 100vw) calc(25 / var(--base-sp) * 100vw);
    /* gap: calc(54 / var(--base-sp) * 100vw); */
  }

  .un_business_companies_img {
    width: 100%;
  }

  .un_business_companies_btn img {
    width: calc(325 / var(--base-sp) * 100vw);
    height: auto;
  }
}

.un_business_spacer {
  height: 40px;
  position: relative;
  z-index: 20;
  background-color: #fff;
}