@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

:root{
  --navy:#12141c;
  --navy-light:#232838;
  --navy-active:#2e3550;
  --bg:#ececea;
  --bg-warm:#e7e5e0;
  --cream:#f5f1e8;
  --line:#c9c2b0;
  --ink:#1c1c1c;
  --ink-soft:#4a4a46;
  --white:#ffffff;
  --wood:#3b2a20;
  --gold:#a98f5c;
  --maxw:1400px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans JP',sans-serif;
  font-weight:300;
  line-height:1.9;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:'Shippori Mincho',serif;margin:0;font-weight:700;}
.serif{font-family:'Shippori Mincho',serif;}

/* ---------- layout helpers ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.section{position:relative;padding:120px 0;}
.section--tight{padding:70px 0;}
.watermark{
  position:absolute;
  font-family:'Shippori Mincho',serif;
  font-weight:800;
  font-size:38vw;
  line-height:1;
  color:rgba(20,20,20,.045);
  z-index:0;
  pointer-events:none;
  user-select:none;
  white-space:nowrap;
}
.watermark--right{right:-6vw;top:0;}
.watermark--left{left:-8vw;bottom:-4vw;}

/* ---------- top bar / vertical nav ---------- */
.topbar{
  position:absolute;
  top:0;left:0;right:0;
  z-index:40;
  display:flex;
  justify-content:flex-end;
  align-items:stretch;
}
.mark-box{
  width:90px;
  background:var(--navy);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:22px 0;
}
.mark-box .bars{
  writing-mode:vertical-rl;
  color:var(--white);
  font-size:22px;
  letter-spacing:6px;
}
.navtabs{display:flex;}
.navtabs a{
  width:64px;
  background:var(--navy);
  color:#cfd2dd;
  writing-mode:vertical-rl;
  text-orientation:upright;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-size:14px;
  letter-spacing:4px;
  padding:26px 0;
  border-left:1px solid rgba(255,255,255,.08);
  transition:background .25s,color .25s;
}
.navtabs a::before{content:"－";writing-mode:vertical-rl;font-size:12px;opacity:.7;}
.navtabs a:hover{background:var(--navy-light);color:#fff;}
.navtabs a.active{background:var(--navy-active);color:#fff;}
.brandbox{
  width:112px;
  background:var(--navy);
  color:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:24px 10px;
  border-left:1px solid rgba(255,255,255,.1);
}
.brandbox .small{writing-mode:vertical-rl;font-size:11px;letter-spacing:3px;opacity:.75;}
.brandbox .big{writing-mode:vertical-rl;font-size:19px;letter-spacing:5px;font-weight:600;}
.navtoggle{display:none;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  height:78vh;
  min-height:520px;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,14,.55) 0%,rgba(10,10,14,.15) 35%,rgba(10,10,14,.1) 70%,rgba(10,10,14,.65) 100%);
}
.hero-page{height:46vh;min-height:340px;}
.hero-title{
  position:absolute;
  left:40px;bottom:46px;
  z-index:5;
  color:#fff;
}
.hero-title .wm{
  position:absolute;
  left:-10px;bottom:-10px;
  font-size:9vw;
  color:rgba(255,255,255,.14);
  z-index:-1;
  white-space:nowrap;
}
.hero-title h1{font-size:34px;color:#fff;letter-spacing:2px;}
.hero-title p{margin:6px 0 0;font-size:13px;letter-spacing:3px;opacity:.85;}

/* home intro dark panel */
.intro-panel{
  position:relative;
  z-index:6;
  max-width:520px;
  margin:-140px 0 0 60px;
  background:rgba(15,16,24,.92);
  color:#e9e7de;
  padding:44px 40px;
  display:flex;
  gap:24px;
}
.intro-panel .txt{
  writing-mode:vertical-rl;
  text-orientation:upright;
  height:360px;
  font-size:14px;
  line-height:2.15;
  letter-spacing:1px;
}
.intro-panel .lead{font-size:15px;line-height:2.3;writing-mode:horizontal-tb;margin-top:14px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  border:1px solid var(--ink);
  background:var(--bg);
  color:var(--ink);
  padding:14px 26px;
  font-size:13px;
  letter-spacing:2px;
  white-space:nowrap;
}
.btn:hover{background:var(--ink);color:var(--bg);}
.btn-row{display:flex;justify-content:flex-end;margin:36px 0;}

/* ---------- home feature sections ---------- */
.feature{
  position:relative;
  display:grid;
  grid-template-columns:220px 1fr;
  gap:50px;
  align-items:center;
  margin:150px 0;
}
.feature:nth-child(even){grid-template-columns:1fr 220px;}
.feature:nth-child(even) .feature-title{order:2;}
.feature-title{
  writing-mode:vertical-rl;
  text-orientation:upright;
  font-size:28px;
  line-height:1.7;
  letter-spacing:2px;
  height:340px;
}
.feature-photo{position:relative;}
.feature-photo img{width:100%;height:420px;object-fit:cover;filter:grayscale(.15);}
.feature-cap{margin-top:14px;font-size:13px;color:var(--ink-soft);}
.feature-badge{
  position:absolute;
  top:-40px;right:-30px;
  width:130px;
  background:var(--navy);
  color:#fff;
  padding:20px 14px;
  display:flex;
  flex-direction:column;
  gap:8px;
  align-items:center;
  z-index:3;
}
.feature-badge .s1{writing-mode:vertical-rl;font-size:10px;letter-spacing:3px;opacity:.7;}
.feature-badge .s2{writing-mode:vertical-rl;font-size:16px;letter-spacing:4px;font-weight:600;}
.feature .btn-row{margin-top:22px;}

/* ---------- fade in ---------- */
.fade{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease;}
.fade.in{opacity:1;transform:none;}

/* ---------- content pages ---------- */
.page-lead{
  position:relative;
  padding:80px 0 30px;
}
.page-lead h2{font-size:56px;color:rgba(20,20,20,.16);letter-spacing:4px;}
.page-lead .sub{font-size:14px;letter-spacing:3px;color:var(--ink-soft);margin-top:-30px;}

.toc{
  background:var(--white);
  border:1px solid var(--line);
  padding:26px 30px;
  margin:30px 0 60px;
}
.toc .label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--ink);
  padding:6px 18px;
  font-size:12px;
  letter-spacing:3px;
  margin-bottom:18px;
}
.toc-list{display:flex;flex-wrap:wrap;gap:12px;}
.toc-list a{
  border:1px solid var(--line);
  padding:10px 18px;
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--bg);
}
.toc-list a .n{color:var(--gold);font-weight:600;}
.toc-list a.done{background:var(--navy);color:#fff;border-color:var(--navy);}

.article{max-width:880px;margin:0 auto;padding-bottom:20px;}
.article h3{font-size:26px;margin:56px 0 22px;padding-bottom:14px;border-bottom:2px solid var(--ink);}
.article p{margin:0 0 22px;font-size:15.5px;color:#282826;}
.article figure{margin:40px 0;}
.article figure img{width:100%;object-fit:cover;max-height:460px;}
.article figcaption{font-size:13px;color:var(--ink-soft);margin-top:10px;padding-left:14px;border-left:2px solid var(--gold);}
.quote{
  background:var(--cream);
  border-left:4px solid var(--gold);
  padding:30px 34px;
  margin:34px 0;
  font-size:15px;
  color:#3a3630;
  position:relative;
}
.quote::before{content:"\201C";font-family:'Shippori Mincho',serif;font-size:60px;color:var(--gold);opacity:.5;position:absolute;top:-6px;left:14px;}

.profile-card{
  display:flex;
  gap:26px;
  border:1px solid var(--line);
  padding:26px;
  margin:50px 0;
  background:var(--white);
}
.profile-card img{width:130px;height:160px;object-fit:cover;flex:none;}
.profile-card h4{font-size:16px;margin-bottom:10px;}
.profile-card p{font-size:13.5px;color:var(--ink-soft);margin:0;line-height:1.9;}

.next-link{
  display:flex;
  align-items:center;
  gap:20px;
  border:1px solid var(--line);
  background:var(--white);
  padding:18px;
  max-width:420px;
  margin:60px auto 30px;
}
.next-link img{width:90px;height:70px;object-fit:cover;}
.next-link .lbl{font-size:12px;color:var(--gold);letter-spacing:2px;}
.next-link .ttl{font-size:14px;margin-top:4px;}

/* ---------- philosophy specific ---------- */
.rules-box{
  border:1px solid var(--gold);
  background:var(--white);
  padding:38px 44px;
  margin:30px 0 60px;
}
.rules-box .by{text-align:right;font-size:14px;margin-bottom:18px;color:var(--ink-soft);}
.rules-box ol{list-style:none;margin:0;padding:0;counter-reset:r;}
.rules-box li{
  counter-increment:r;
  font-size:15px;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
}
.rules-box li:last-child{border-bottom:none;}
.rules-box li::before{content:"一、";margin-right:4px;color:var(--gold);}

.testament{margin:50px 0;}
.testament blockquote{
  margin:0 0 22px;
  padding:18px 0 18px 24px;
  border-left:3px solid var(--navy);
  font-size:15px;
}

/* ---------- history timeline ---------- */
.timeline{max-width:900px;margin:0 auto;}
.timeline-item{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:30px;
  padding:34px 0;
  border-bottom:1px solid var(--line);
}
.timeline-item .yr{font-family:'Shippori Mincho',serif;font-size:22px;color:var(--gold);}
.timeline-item h4{font-size:16px;margin-bottom:8px;}
.timeline-item p{font-size:14px;color:var(--ink-soft);margin:0;}

/* ---------- message page ---------- */
.msg-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:10px;}
.monogram{
  width:150px;height:150px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,var(--navy-light),var(--navy) 70%);
  border:2px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  flex:none;
  box-shadow:0 6px 22px rgba(0,0,0,.18);
}
.monogram span{font-family:'Shippori Mincho',serif;color:var(--gold);font-size:56px;}
.msg-sign{text-align:right;}
.msg-sign .name{font-size:16px;font-weight:600;}
.msg-sign .role{font-size:12.5px;color:var(--ink-soft);margin-top:4px;}
.msg-date{text-align:right;font-size:14px;margin:50px 0 10px;}

/* ---------- footer ---------- */
footer{background:var(--white);margin-top:100px;position:relative;z-index:5;}
.foot-inner{padding:70px 0 40px;text-align:center;}
.foot-nav{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;font-size:13px;margin-bottom:34px;}
.foot-cta{display:flex;justify-content:center;margin-bottom:44px;}
.foot-addr{font-size:12.5px;color:var(--ink-soft);margin-bottom:26px;}
.foot-logo{font-size:13px;letter-spacing:3px;margin-bottom:6px;}
.foot-copy{font-size:11px;color:#999;}
.foot-wood{height:130px;background-size:cover;background-position:center;}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .wrap{padding:0 22px;}
  .section{padding:80px 0;}
  .feature{grid-template-columns:1fr !important;gap:22px;}
  .feature-title{writing-mode:horizontal-tb;height:auto;font-size:24px;}
  .feature:nth-child(even) .feature-title{order:0;}
  .feature-photo img{height:280px;}
  .feature-badge{position:static;width:auto;flex-direction:row;margin-bottom:16px;}
  .feature-badge .s1,.feature-badge .s2{writing-mode:horizontal-tb;}
  .intro-panel{margin:-90px 16px 0;flex-direction:column;padding:30px 26px;}
  .intro-panel .txt{writing-mode:horizontal-tb;height:auto;}
  .hero-title h1{font-size:24px;}
  .page-lead h2{font-size:34px;}
  .profile-card{flex-direction:column;}
  .timeline-item{grid-template-columns:1fr;gap:6px;}
  .navtoggle{
    display:flex;position:absolute;top:14px;left:14px;z-index:60;
    width:44px;height:44px;background:var(--navy);color:#fff;
    align-items:center;justify-content:center;font-size:20px;border:none;
  }
  .topbar{flex-direction:column;align-items:flex-end;}
  .navtabs{
    position:fixed;top:0;right:-260px;height:100vh;width:260px;
    flex-direction:column;background:var(--navy);transition:right .3s;z-index:55;
    overflow-y:auto;
  }
  .navtabs.open{right:0;}
  .navtabs a{width:100%;writing-mode:horizontal-tb;padding:16px 22px;letter-spacing:1px;justify-content:flex-start;}
  .navtabs a::before{writing-mode:horizontal-tb;margin-right:8px;}
  .brandbox{position:fixed;top:0;right:0;flex-direction:row;height:56px;width:auto;padding:0 16px;z-index:56;}
  .brandbox .small,.brandbox .big{writing-mode:horizontal-tb;}
  .mark-box{display:none;}
}
@media (max-width:600px){
  .wrap{padding:0 16px;}
  .toc-list a{font-size:12px;padding:8px 12px;}
  .article h3{font-size:21px;}
  .watermark{font-size:55vw;}
}