@charset "UTF-8";
/* CSS Document */

:root{
  --bg:#fbfbf9;
  --text:#000000;
  --accent:#beaea0;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:'Noto Serif JP', serif;
  line-height:1.8;
}

img{
  width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

.fade{
  opacity:0;
  transform:translateY(30px);
  transition:1s ease;
}

.fade.show{
  opacity:1;
  transform:none;
}

/* Logo */

.logo-fixed{
  position:fixed;
  left:74px;
  top:300px;
  width:220px;
  z-index:100;
}

/* Menu */

.menu-toggle{
  position:fixed;
  right:40px;
  top:40px;
  width:40px;
  height:40px;
  background:none;
  border:none;
  cursor:pointer;
  z-index:200;
}

.menu-toggle span{
  display:block;
  height:1px;
  background:#000;
  margin:10px 0;
  transition:.3s;
}

.menu-toggle.active span:first-child{
  transform:rotate(45deg) translate(4px,4px);
}

.menu-toggle.active span:last-child{
  transform:rotate(-45deg) translate(4px,-4px);
}

.menu{
  position:fixed;
  top:0;
  right:0;

  width:320px;
  height:100vh;

  background:#fbfbf9;

  display:flex;
  flex-direction:column;
  justify-content:center;

  padding:60px;

  transform:translateX(100%);
  opacity:0;
  visibility:hidden;

  transition:
    transform .35s cubic-bezier(.22,1,.36,1),
    opacity .25s ease;

  z-index:150;

  border-left:1px solid rgba(0,0,0,.08);
}

.menu.active{
  transform:translateX(0);
  opacity:1;
  visibility:visible;
}

.menu a{
  font-family:'Inter', sans-serif;
  font-size:18px;
  font-weight:300;

  margin-bottom:24px;

  opacity:0;
  transform:translateY(10px);

  transition:
    opacity .3s ease,
    transform .3s ease;
}

.menu.active a{
  opacity:1;
  transform:translateY(0);
}

.menu a:hover{
  opacity:.5;
}

/* Layout */

main{
  margin-left:320px;
  padding:40px 80px 120px;
}

.hero{
  min-height:60vh;
  display:flex;
  align-items:flex-start;
  padding-top:160px;
}

.hero h1{
  font-size:clamp(48px,8vw,80px);
  font-weight:300;
  line-height:1.15;
  margin-top:0;
}


.content p{
  max-width:60em;
  margin-bottom:1.5em;
}

.content p:last-child{
  margin-bottom:0;
}

.section{
  padding:80px 0;
}

.section .mainmessage{
  font-size:clamp(32px,6vw,60px);
  margin-bottom:0.5em;
}

.section .statement{
  font-size:clamp(16px,3vw,20px);
}

.section h2{
  font-family:'Inter', sans-serif;
  font-size:14px;
  margin-bottom:60px;
}

.approach-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:100px 80px;
}

.approach-grid h3{
  font-size:clamp(60px,6vw,86px);
  font-weight:1;
  font-style:italic;
  line-height:.95;
  margin:12px 0 24px;
}

.approach-grid span{
  color:var(--accent);
  font-family:'Inter', sans-serif;
}

.approach-arrow{
  display:none;
}

.works-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:40px;
}

.thumb{
  aspect-ratio:4/3;
  background:#eceae6;
  margin-bottom:16px;
}

.about-grid{
  display:grid;
  gap:40px;
}

.about-grid p{
  margin-bottom:24px;
}

.about-grid p:last-child{
  margin-bottom:0;
}

.about-header{
  display:flex;
  align-items:flex-start;
  gap:32px;
}

.about-icon{
  flex-shrink:0;
}

.about-icon img{
  width:96px;
  height:96px;

  border-radius:50%;
  object-fit:cover;
}

.about-text{
  flex:1;
}

.about-message{
  max-width:100em;
  margin-bottom:48px;
}

.about-address{
  font-size:14px;
  line-height:1.7;
  color:rgba(0,0,0,.7);
}

.overlay{
  position:fixed;
  inset:0;

  background:rgba(0,0,0,.08);

  opacity:0;
  visibility:hidden;

  transition:.4s;

  z-index:140;
}

.overlay.active{
  opacity:1;
  visibility:visible;
}

.pc-only{
  display:block;
}

.footer{
  padding-top:40px;
}

.footer p{
  font-size:11px;
  line-height:1.5;
  font-family:'Inter', sans-serif;
  color:rgba(0,0,0,.5);
}

/* Mobile */

@media (max-width:768px){

  .logo-fixed{
    position:static;
    width:100%;
    padding:10px 10px 0;
    display:flex;
    justify-content:left;
  }

  .logo-fixed img{
    width:min(180px,80vw);
  }

  .menu-toggle{
    position:fixed;
    top:24px;
    right:24px;
    margin:0;
    z-index:200;
  }

  .menu{
    width:60%;
    padding:40px;
	backdrop-filter: blur(10px);
	background: rgba(251,251,249,.96);
  }

  .menu a{
    font-size:20px;
  }

  main{
    margin-left:0;
    padding:0 24px 40px;
  }

  .hero{
    min-height:auto;
    padding:80px 0 0;
  }
	
  .hero h1{
    font-size:32px;
    line-height:1.15;
  }

  .approach-grid,
  .works-grid{
    grid-template-columns:1fr;
	gap:64px;
  }

  .approach-grid h3{
    margin:12px 0 24px;
  }

  .approach-arrow{
    display:flex;
    justify-content:center;
    align-items:center;

    font-size:42px;
    color:var(--accent);

    margin:-20px 0 10px;

    opacity:0;
	transform:rotate(90deg);

    transition:
      opacity .8s ease,
      transform .8s ease;
  }

  .approach-arrow.show{
    opacity:1;
    transform:rotate(90deg);
  }
	
  .about-header{
    flex-direction:column;
    gap:24px;
  }

.about-icon{
    align-self:center;
  }

  .about-icon img{
    width:80px;
    height:80px;
  }

  .pc-only{
    display:none;
  }

}



/* Back to Top */

.back-to-top{
  position:fixed;
  right:40px;
  bottom:40px;

  width:48px;
  height:48px;

  display:flex;
  align-items:center;
  justify-content:center;

  border:1px solid rgba(0,0,0,.08);
  border-radius:50%;

  background:transparent;

  font-size:16px;
  font-weight:300;
  color:#000;

  opacity:0;
  visibility:hidden;
  transform:translateY(10px);

  transition:all .3s ease;

  z-index:120;
}

.back-to-top.show{
  opacity:1;
  visibility:visible;
  transform:none;
}

.back-to-top:hover{
  border-color:rgba(0,0,0,.2);
  transform:translateY(-2px);
}

@media (max-width:768px){

  .back-to-top{
    right:24px;
    bottom:24px;

    width:44px;
    height:44px;
  }

}





html,
body{
  overflow-x:hidden;
}