:root {
  --text: #000;
  --primary: #6b3f31;
  --primary90: rgba(107, 63, 49, 0.9);
  --primary10: rgba(107, 63, 49, 0.1);
  --accent: #ff9575;
  --accent30: rgba(124, 46, 32, 0.3);
  --accent2: #315e6b;
  --wh: #ffffff;
  --wh70: rgba(255, 255, 255, .7);
  --wh2: #f6f6f6;
  --bk: #000;
  --bk2: #333;
  --red: #f00;
  --red2: #e21b2b;
  --gray: #d3d3d3;
}

/*
  @mixin fix_alpha($bgSize:68%) {
    //  position: fixed;
    //  content: "";
    //  display: block;
    //  width: 100%;
    //  height: 100vh;
    background-image: url("../img/common/alpha_bg.png");
    background-position: right 10% top 130px;
    background-repeat: no-repeat;
    background-size: $bgSize;
    background-attachment: fixed;
    //  top: 10%;
    //  right: 2%;
    //  z-index: -1;
  }

  @mixin bg_alpha($bgSize:68%) {
    background-image: url("../img/common/alpha_bg.png");
    background-position: right top;
    background-repeat: no-repeat;
    background-size: $bgSize;
  }
*/
/*
  @mixin f-style($size) {
    @if $size == small {
      font-size: 1.3rem;
      line-height: 1.8;
    } @else if $size == h1 {
    }
  }
*/
/* common */
/* ------------------------------------ */
.sec {
  padding: 100px 0;
}
@media only screen and (max-width: 767px) {
  .sec {
    padding: 50px 0;
  }
}

h2.line {
  margin-bottom: 70px;
  padding: 20px;
  width: 100%;
  color: var(--primary);
  font-size: clamp(2.4rem, 2.4vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  background: var(--wh2);
  border-top: 3px solid var(--primary);
  /*
      position: relative;
      margin-bottom: 50px;
      padding-bottom: 5px;
      border-bottom: 2px solid var(--gray);
      font-size: 3rem;
      font-weight: 700;
      letter-spacing: 0.05em;
      &::after {
        position: absolute;
        content: '';
        width: 20%;
        left: 0;
        bottom: -2px;
        border-bottom: 2px solid var(--primary);
      }
  */
}
@media only screen and (max-width: 767px) {
  h2.line {
    margin-bottom: 35px;
  }
}
h2.line span {
  font-size: clamp(1.8rem, 2vw, 2.4rem);
  display: block;
}

/* mv */
/* ------------------------------------ */
.mv {
  position: relative;
}
.mv .mv-slider {
  width: 100%;
  text-align: center;
  display: none;
}
.mv .mv-slider.slick-initialized {
  display: block;
}
.mv .mv-slider .slide img {
  margin: 0 auto;
  width: 100%;
}
.mv .mv_txt {
  position: absolute;
  content: "";
  width: 100%;
  height: 100%;
  top: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  z-index: 2;
}
.mv .mv_txt span {
  color: var(--wh);
  text-shadow: 0px 0px 10px rgba(0, 0, 0, 0.8);
  font-family: "Noto Serif JP", serif;
  font-size: 6rem;
  font-weight: 500;
  display: inline-block;
  letter-spacing: 0.075em;
  line-height: 1.8;
}
@media only screen and (max-width: 1280px) {
  .mv .mv_txt span {
    font-size: 3.5rem;
  }
}
@media only screen and (max-width: 540px) {
  .mv .mv_txt span {
    font-size: 6.66vw;
  }
}

/* sec_intro */
/* ------------------------------------ */
.sec_intro .intro_box {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 0 100px;
}
@media only screen and (max-width: 767px) {
  .sec_intro .intro_box {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 30px 0;
  }
}
.sec_intro .intro_box figure {
  margin: 0 auto;
  width: 270px;
}
.sec_intro .intro_box .txt {
  width: calc(100% - 370px);
  line-height: 2;
}
@media only screen and (max-width: 767px) {
  .sec_intro .intro_box .txt {
    width: 100%;
  }
}
.sec_intro .intro_box .txt p {
  margin-bottom: 1em;
  line-height: 2;
}
.sec_intro .intro_box .txt p.sign {
  margin-top: 2em;
  text-align: right;
}
.sec_intro .intro_box .txt p.sign span {
  font-size: 2.4rem;
}

/* news */
/* ------------------------------------ */
.news .btn a {
  margin: 80px auto 0;
}

/* sec_office */
/* ------------------------------------ */
.sec_office .office {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 0 50px;
}
@media only screen and (max-width: 767px) {
  .sec_office .office {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 50px 0;
  }
}
.sec_office .office .txt {
  padding-top: 50px;
  width: 40%;
}
@media only screen and (max-width: 767px) {
  .sec_office .office .txt {
    padding-top: 0;
    width: 100%;
  }
}
.sec_office .office .txt p {
  font-size: clamp(1.6rem, 1.8vw, 2rem);
  letter-spacing: 0.1em;
  line-height: 2;
}
.sec_office .office .txt p.ttl {
  margin-bottom: 50px;
  font-size: clamp(1.8rem, 2vw, 3rem);
}
@media only screen and (max-width: 767px) {
  .sec_office .office .txt p.ttl {
    margin-bottom: 20px;
  }
}
.sec_office .office .gmap {
  width: 60%;
}
@media only screen and (max-width: 767px) {
  .sec_office .office .gmap {
    width: 100%;
  }
}