@charset "utf-8";

:root {
  --color-main: #000000;
  --color-purple: #511945;
  --color-gray: #EFEFEF;
  --color-beige: #B8A373;
  --font-sans: "Noto Sans JP", sans-serif;
  --font-roboto: "Roboto Condensed", sans-serif;
}

* {
  box-sizing: border-box;
  font-feature-settings: "palt";
  line-height: 1;
}

html {
  scroll-behavior: smooth;
  /* scroll-padding-top: min(8rem, 80px); */
  font-size: calc(100vw / 124);
}

body, h1, h2, h3, h4, h5, p {
  margin: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-main);
  letter-spacing: .1em;
}

body.active {
  height: 100%;
  overflow: hidden;
}

p {
  text-align: justify;
}

img {
  width: 100%;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  vertical-align: bottom;
}

ul, li {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  text-decoration: none;
  transition: opacity .4s;
  color: inherit;
}

@media (hover: hover) {
  a:hover {
    opacity: 0.6;
  }
}

a:visited {
}

span {
  display: inline-block;
}

dl, dt, dd {
  all: unset;
  display: block;
}

button {
  all: unset;
  display: block;
}

table {
  border-collapse: collapse;
}

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

.sp_obj {
  display: none !important;
}

@media (max-width: 794px) {

  html {
    scroll-padding-top: 4rem;
    font-size: calc(100vw / 37.5);
  }

  .sp_obj {
    display: block !important;
  }
  
  .pc_obj {
    display: none !important;
  }
}

/* ----- common ----- */

#fix_header-wrap {
display: none;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: min(6rem, 60px) 20px;
}

h2.common_h2 {
  font-size: min(2.0rem, 20px);
  font-weight: 700;
  color: #BEBEBE;
}

h2.common_h2 span {
  display: block;
  margin-top: min(1.0rem, 10px);
  font-size: min(4.0rem, 40px);
  font-weight: 700;
  color: var(--color-main);
  line-height: 1.6;
}

p.common_txt {
  margin-top: min(4.0rem, 40px);
  font-size: min(1.6rem, 16px);
  line-height: 2.2;
  font-weight: 500;
}

a.common_link {
  margin: min(2.0rem, 20px) auto 0;
  width: min(40rem, 400px);
  height: min(8.6rem, 86px);
  background-color: var(--color-beige);
  color: #fff;
  font-size: min(2.0rem, 20px);
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.target {
  transform: translateY(80px);
  opacity: 0;
  transition: all .8s;
}

.target.appear {
  transform: none;
  opacity: 1;
}

@media (max-width: 799px) {
  
  .container {
    padding: 4rem 2rem;
  }

  h2.common_h2 {
    font-size: 1.4rem;
  }
  
  h2.common_h2 span {
    margin-top: 0.4rem;
    font-size: 2.0rem;
    line-height: 1.4;
  }
  
  p.common_txt {
    margin-top: 2.0rem;
    font-size: 1.4rem;
    line-height: 1.8;
  }
  
  a.common_link {
    margin: 2.0rem auto 0;
    width: 80%;
    height: 6.0rem;
    font-size: 1.6rem;
  }
}

/* ----- main ----- */

main {
}


@media (max-width: 799px) {
  main {
  }
}

/* ----- header ----- */

header {
  background: #141c27;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 99;
  width: 100%;
}

header div.header_container {
  padding: min(1.0rem, 10px) 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 a {
  display: block;
  width: min(32.0rem, 320px);
}

header a.header_link {
  width: min(25.0rem, 250px);
  height: min(5.0rem, 50px);
  background-color: var(--color-beige);
  color: #fff;
  font-size: min(1.4rem, 14px);
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media (max-width: 799px) {
  
  header div.header_container {
    padding: .4rem .8rem;
  }
  
  header h1 a {
    display: block;
    width: 15rem;
  }
  
  header a.header_link {
    width: 15rem;
    height: 3.2rem;
    font-size: 1.2rem;
  }
}

/* ----- mv ----- */

main.index section.mv {
	width: 100%;
  background-image: url(../images/advertisement/bg_mv.jpg);
	background-size: min(400rem, 4000px);
	background-position: center top;
	background-repeat: no-repeat;
}

main.index section.mv div.container {
  width: 100%;
  height: min(90rem, 900px);
  display: flex;
  align-items: center;
}

main.index section.mv div.mv_conts {
  width: fit-content;
  height: auto;
}

main.index section.mv div.mv_conts h2.mv_h2 {
  font-size: min(4.0rem, 40px);
  font-weight: 700;
  line-height: 1.4;
  color: #fff;
}

main.index section.mv div.mv_conts ul.mv_lists {
  margin-top: min(4.0rem, 40px);
  display: flex;
  flex-direction: column;
  gap: min(2.0rem, 20px);
}

main.index section.mv div.mv_conts ul.mv_lists li.mv_list {
  font-size: min(1.6rem, 16px);
  font-weight: 700;
  color: #fff;
}

main.index section.mv div.mv_conts a.mv_link {
  margin-top: min(4.0rem, 40px);
  width: min(35rem, 350px);
  height: min(6.8rem, 68px);
  background-color: var(--color-beige);
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: min(1.8rem, 18px);
  font-weight: 700;
}

@media (max-width: 799px) {
  main.index section.mv {
    width: 100%;
    background-image: url(../images/advertisement/bg_mv.jpg);
    background-size: 300rem;
    background-position: center top;
    background-repeat: no-repeat;
  }
  
  main.index section.mv div.container {
    width: 100%;
    height: auto;
    padding: 8rem 1rem 6rem;
  }
  
  main.index section.mv div.mv_conts h2.mv_h2 {
    font-size: 2.8rem;
  }
  
  main.index section.mv div.mv_conts ul.mv_lists {
    margin-top: 4rem;
    gap: 1rem;
  }
  
  main.index section.mv div.mv_conts ul.mv_lists li.mv_list {
    font-size: 1.6rem;
    line-height: 1.4;
    padding-left: 1rem;
    text-indent: -1rem;
  }
  
  main.index section.mv div.mv_conts a.mv_link {
    margin: 4rem auto 0;
    width: 80%;
    height: 4.8rem;
    font-size: 1.4rem;
  }
}

/* ----- about ----- */

main.index section.about {
  background-image: url(../images/advertisement/bg_geometry.png);
  background-size: min(192rem, 1920px);
  background-position: center top;
  background-repeat: no-repeat;
}

@media (max-width: 799px) {
  main.index section.about {
    background-image: url(../images/advertisement/bg_geometry_sp.png);
    background-size: 100%;
  }
}

/* ----- case_study ----- */

main.index section.case_study h3.case_study_h3 {
  margin-top: min(4.0rem, 40px);
  font-size: min(4.0rem, 40px);
  font-weight: 700;
  width: 100%;
  height: min(12.0rem, 120px);
  background-color: #000000;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

main.index section.case_study div.case_study_box {
  width: 100%;
  background-color: var(--color-gray);
  padding: min(6.0rem, 60px);
}

main.index section.case_study div.case_study_box h4.case_study_h4 {
  font-size: min(2.5rem, 25px);
  font-weight: 700;
  text-align: center;
}

main.index section.case_study div.case_study_box p.case_study_txt {
  margin-top: min(4.0rem, 40px);
  font-size: min(1.6rem, 16px);
  font-weight: 700;
  text-align: center;
  padding-bottom: min(1.0rem, 10px);
  border-bottom: min(0.4rem, 4px) solid #000000;
}

main.index section.case_study div.case_study_box p.common_txt strong {
  display: block;
  font-weight: 700;
  margin-bottom: min(1.0rem, 10px);
}

main.index section.case_study div.case_study_box div.case_study_wrap {
  margin-top: min(4.0rem, 40px);
  display: flex;
  align-items: center;
  gap: min(6.0rem, 60px);
}

main.index section.case_study div.case_study_box div.case_study_wrap p.common_txt {
  flex: 1;
  padding: min(4.0rem, 40px);
  background-color: var(--color-purple);
  color: #fff;
  border-radius: min(1.5rem, 15px);
  position: relative;
}

main.index section.case_study div.case_study_box div.case_study_wrap p.common_txt::before {
  content: "";
  display: block;
  position: absolute;
  background-image: url(../images/advertisement/icon_tri.png);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  width: min(3.0rem, 30px);
  height: min(3.0rem, 30px);
  top: 0;
  bottom: 0;
  margin: auto;
  right: 0;
  transform: translateX(100%);
}

main.index section.case_study div.case_study_box div.case_study_wrap div.img_area {
  width: min(24.0rem, 240px);
  height: min(24.0rem, 240px);
}

@media (max-width: 799px) {
  main.index section.case_study h3.case_study_h3 {
    margin-top: 4rem;
    font-size: 2.4rem;
    height: 12rem;
    line-height: 1.4;
    text-align: center;
  }
  
  main.index section.case_study div.case_study_box {
    padding: 2rem;
  }
  
  main.index section.case_study div.case_study_box h4.case_study_h4 {
    font-size: 1.6rem;
    line-height: 1.4;
  }
  
  main.index section.case_study div.case_study_box p.case_study_txt {
    margin-top: 2rem;
    font-size: 1.6rem;
    font-weight: 700;
    padding-bottom: 1rem;
    border-bottom: 0.4rem solid #000000;
  }
  
  main.index section.case_study div.case_study_box p.common_txt strong {
    margin-bottom: 1rem;
  }
  
  main.index section.case_study div.case_study_box div.case_study_wrap {
    margin-top: 4rem;
    flex-direction: column-reverse;
    gap: 2rem;
  }
  
  main.index section.case_study div.case_study_box div.case_study_wrap p.common_txt {
    flex: none;
    width: 100%;
    padding: 2rem;
    border-radius: .8rem;
  }
  
  main.index section.case_study div.case_study_box div.case_study_wrap p.common_txt::before {
    width: 2.4rem;
    height: 2.4rem;
    top: 0;
    bottom: auto;
    right: 0;
    left: 0;
    margin: auto;
    transform: translate(0%, -100%) rotate(270deg);
  }
  
  main.index section.case_study div.case_study_box div.case_study_wrap div.img_area {
    margin: 0 auto;
    width: 60%;
    height: auto;
  }
}

/* ----- contact ----- */

main.index section.contact {
  background-image: url(../images/advertisement/bg_contact.png);
  background-size: min(400rem, 4000px);
  background-position: center bottom;
  background-repeat: no-repeat;
}

main.index section.contact div.contact_area {
  width: 100%;
  height: min(22.0rem, 220px);
  background: rgba(255, 255, 255, 0.94);
  border: min(0.1rem, 1px) solid #707070;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: min(2.0rem, 20px);
}

main.index section.contact div.contact_area h2.contact_h2 {
  font-size: min(3.0rem, 30px);
  font-weight: 700;
  font-family: var(--font-roboto);
  text-align: center;
}

@media (max-width: 799px) {
  
  main.index section.contact {
    background-size: min(300rem, 3000px);
  }

  main.index section.contact div.contact_area {
    height: 20rem;
    border: .1rem solid #707070;
    gap: 2rem;
  }
  
  main.index section.contact div.contact_area h2.contact_h2 {
    font-size: 3rem;
  } 
}

.footer_sns a img {
width: 38px;
margin-bottom:15px;
}