@charset "UTF-8";


/*header*/
.menu-toggle {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 50px;
  height: 30px;
  cursor: pointer;
  z-index: 300;
  font-weight: bold;
  font-size: 40px;
}
.menu {
  display: none;
  position: absolute;
  top: 60px;
  right: 20px;
  background:rgba(0, 0, 0, 0.836);
  color: white;
  width: 150px;
  box-shadow: 0 4px 6px rgba(0, 0, 0);
}
.menu a {
  display: block;
  padding: 10px;
  text-decoration: none;
  color: white;
  border-bottom: 1px solid #ddd;
}
.menu a:last-child {
  border-bottom: none;
}
@media screen and (max-width: 640px){
  .menu-toggle {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 20px;
  height: 30px;
  cursor: pointer;
  z-index: 300;
  font-weight: bold;
  font-size: 20px;
}
}
/*header*/
.menu-toggle {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 50px;
  height: 30px;
  cursor: pointer;
  z-index: 300;
  font-weight: bold;
  font-size: 40px;
}
.menu {
  display: none;
  position: absolute;
  top: 60px;
  right: 20px;
  background:rgba(0, 0, 0, 0.836);
  color: white;
  width: 150px;
  box-shadow: 0 4px 6px rgba(0, 0, 0);
}
.menu a {
  display: block;
  padding: 10px;
  text-decoration: none;
  color: white;
  border-bottom: 1px solid #ddd;
}
.menu a:last-child {
  border-bottom: none;
}
@media screen and (max-width: 640px){
  .menu-toggle {
  position: fixed;
  right: 20px;
  top: 20px;
  width: 20px;
  height: 30px;
  cursor: pointer;
  z-index: 300;
  font-weight: bold;
  font-size: 20px;
}
}
/* 一番後ろ（赤） */
body {
  background-color: #B11226;
  margin: 0;  /* 余白を消す */
}

/* 中央のページ部分 */
.iintyou {
  background: linear-gradient(
    180deg,
    #fffaf0 0%,
    #fff8e7 60%,
    #f7efd7 100%
  );
  
  margin: 60px 0px;
  min-height: 100vh;
  padding: 40px;

  box-shadow:
    0 0 30px rgba(0,0,0,0.08),
    inset 0 0 20px rgba(255,255,255,0.6);

  border-radius: 20px;

  text-align: center;
  

}
.iintyou img {
width: 830px;
  height: auto;
}
.atsuya img {
width: 300px;
  height: auto;
  
}
.atsuya{
  width: 560px;
  margin: 0 auto;
text-align: center;

}

.atsuya h1{
    font-size: 35px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.atsuya p{
    font-size: 20px;
    font-family: "Hiragino Mincho ProN", serif;
}
h3{
   width: 400px;
  margin: 0 auto 0 55%;
  text-align: center;
  font-family: "Hiragino Mincho ProN", serif;
}






/* ===== Topbar ===== */
.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: rgba(7,8,18,.55);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar__inner{
  width:min(var(--wrap), calc(100% - 40px));
  margin:0 auto;
  display:flex; align-items:center; gap:18px;
  padding:14px 0;
}
.brand{ display:flex; align-items:center; gap:10px; min-width:240px }
.brand__dot{
  width:12px; height:12px; border-radius:999px;
  background: linear-gradient(135deg, var(--a1), var(--a3));
  box-shadow: 0 0 18px rgba(108,240,255,.25);
}
.brand__title{ display:block; font-weight:900; letter-spacing:.02em }
.brand__sub{ display:block; font-size:12px; color:var(--muted); margin-top:-2px }

.nav{ display:flex; gap:14px; flex:1; justify-content:center }
.nav a{
  font-size:13px; color:var(--muted);
  padding:8px 10px; border-radius:999px;
  border:1px solid transparent;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.nav a:hover{ color:var(--fg); background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.12) }
.nav a.is-active{
  color: rgba(238,241,255,.95);
  border-color: rgba(108,240,255,.22);
  background: rgba(108,240,255,.08);
}
.cta{
  font-size:13px;
  padding:10px 14px; border-radius:999px;
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  white-space:nowrap;
}



@media (max-width:767px){


  body{
    background-attachment: scroll;
    padding: 0 16px; 
}

  .iintyou{
    margin:20px 10px;
    padding:25px 15px;
    border-radius:15px;
  }
  

  .iintyou img{
    width:100%;
    max-width:330px;
    display:block;
    margin:0 auto;
  }
  
  
  .atsuya img{
    width:70%;
    max-width:260px;
  }
  
  
  .atsuya{
    width:100%;
    max-width:500px;
    margin:0 auto;
    padding:0 5px;
  }
  
 
  .atsuya h1{
    font-size:26px;
    margin:20px 0;
  }
  

  .atsuya p{
    font-size:16px;
    line-height:1.9;
    text-align:left; 
  }
 
  h3{
    width:auto;
    margin:40px auto 0;
    font-size:16px;
    text-align:center;
  }
  
} 


/*タブレット*/
@media (min-width: 768px) and (max-width: 1350px) {
.iintyou img {
width: 600px;
  height: auto;
}
.atsuya img {
    width: 400px;
  height: auto;
}
h3{
   width: 800px;
  
 margin: 0 auto 0 16%;
font-size: 20px;
}
}