:root{
  --bg:#F6F2EA;
  --bg-2:#EFE9DC;
  --ink:#14110E;
  --ink-2:#4A4540;
  --muted:#8A8378;
  --line:#1C1916;
  --rule:#D8CFBE;
  --accent:#FF5B1F;         /* オレンジ */
  --accent-ink:#C74612;
  --paper:#FBF8F1;
}
*{box-sizing:border-box;-webkit-font-smoothing:antialiased;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","Noto Sans JP",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  letter-spacing:.01em;
  font-feature-settings:"palt" 1;
}
.serif{font-family:"Fraunces","Noto Serif JP",serif;}
.serif-jp{font-family:"Noto Serif JP",serif;}
.italic-serif{font-family:"Instrument Serif",serif;font-style:italic;}
.mono{font-family:"JetBrains Mono",monospace;letter-spacing:0;}

.wrap{max-width:1280px;margin:0 auto;padding:0 32px;}
@media (max-width:640px){ .wrap{padding:0 22px;} }

/* Top rule & nav */
.top{
  border-bottom:1px solid var(--line);
  background:var(--bg);
  position:sticky; top:0; z-index:40;
}
.top-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 32px;
  font-size:12px; letter-spacing:.18em; text-transform:uppercase;
}
.top-inner .mark{font-family:"Fraunces",serif;font-weight:600;font-size:18px;letter-spacing:-.01em;text-transform:none;}
.top-inner .mark em{font-family:"Instrument Serif",serif;font-style:italic;font-weight:400;color:var(--accent-ink);}
.top-inner nav{display:flex;gap:28px;}
.top-inner nav a{color:var(--ink-2);text-decoration:none;}
.top-inner nav a:hover{color:var(--accent-ink);}
.top-inner .date{color:var(--muted);}
@media (max-width:720px){ .top-inner nav{display:none;} .top-inner{padding:14px 22px;} }

/* Masthead (Hero) */
.masthead{
  padding:56px 0 40px;
  border-bottom:1px solid var(--line);
}
.kicker{
  display:flex;align-items:center;gap:14px;
  font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-2);
  margin-bottom:28px;
}
.kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block;}
.kicker .sep{flex:1;height:1px;background:var(--line);}
.title-xxl{
  font-family:"Fraunces",serif;
  font-weight:400;
  font-size:clamp(64px, 14vw, 220px);
  line-height:.86;
  letter-spacing:-.04em;
  margin:0;
  font-variation-settings:"opsz" 144;
}
.hero-title-row{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.avatar-wrap{
  flex-shrink:0;
  width:clamp(96px, 14vw, 168px);
  height:clamp(96px, 14vw, 168px);
  border-radius:50%;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:0 10px 30px -12px rgba(20,17,14,.25);
  transform:rotate(-3deg);
  transition:transform .4s ease;
  background:#C9E89B;
}
.avatar-wrap:hover{transform:rotate(0deg) scale(1.03);}
.avatar{width:100%;height:100%;object-fit:cover;display:block;}
@media (max-width:640px){
  .hero-title-row{gap:16px;}
}
.title-xxl em{
  font-family:"Instrument Serif",serif;
  font-style:italic;
  font-weight:400;
  color:var(--accent-ink);
  font-variation-settings:normal;
}
.hero-grid{
  margin-top:40px;
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap:48px;
  align-items:end;
}
.role{
  font-family:"Fraunces",serif;
  font-size:clamp(22px, 2.4vw, 28px);
  line-height:1.25;
  font-weight:400;
  letter-spacing:-.01em;
  max-width:28ch;
  color:var(--ink);
}
.role .u{background-image:linear-gradient(transparent 68%, rgba(255,91,31,.28) 68%);}
.meta-col{
  border-left:1px solid var(--line);
  padding-left:24px;
  font-size:13px;
  color:var(--ink-2);
  letter-spacing:.04em;
}
.meta-col dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 18px;}
.meta-col dt{color:var(--muted);text-transform:uppercase;font-size:11px;letter-spacing:.2em;}
.meta-col dd{margin:0;}
@media (max-width:760px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .meta-col{border-left:none;border-top:1px solid var(--line);padding:20px 0 0;}
}

/* Section heading */
.section{padding:84px 0;border-bottom:1px solid var(--line);}
.section-head{
  display:grid;grid-template-columns:160px 1fr;gap:32px;align-items:baseline;
  margin-bottom:48px;
}
.section-num{
  font-family:"JetBrains Mono",monospace;
  font-size:12px;letter-spacing:.2em;color:var(--muted);text-transform:uppercase;
}
.section-title{
  font-family:"Fraunces",serif;
  font-size:clamp(36px,5vw,64px);
  line-height:1; letter-spacing:-.025em;
  margin:0;font-weight:400;
}
.section-title em{font-family:"Instrument Serif",serif;font-style:italic;color:var(--accent-ink);font-weight:400;}
@media (max-width:760px){
  .section{padding:60px 0;}
  .section-head{grid-template-columns:1fr;gap:10px;margin-bottom:32px;}
}

/* Book — feature section */
.book{
  background:var(--paper);
  position:relative;
  overflow:hidden;
}
.book::before{
  content:"FEATURE";
  position:absolute; top:28px; right:32px;
  font-family:"JetBrains Mono",monospace; font-size:11px; letter-spacing:.3em; color:var(--muted);
}

/* Book intro (hero within Book) */
.book-intro{
  display:grid; grid-template-columns:1fr 1fr; gap:48px;
  align-items:end;
  margin-bottom:72px;
  padding-bottom:56px;
  border-bottom:1px solid var(--rule);
}
.book-intro-title{
  font-family:"Noto Serif JP",serif; font-weight:700;
  font-size:clamp(44px,6vw,84px); line-height:1.05; letter-spacing:-.02em;
  margin:0;
}
.book-intro-title em{font-family:"Instrument Serif",serif;font-style:italic;color:var(--accent-ink);font-weight:400;}
.book-intro p{
  font-size:17px;line-height:1.9;color:var(--ink-2);max-width:44ch;margin:0;
}
@media (max-width:820px){
  .book-intro{grid-template-columns:1fr;gap:24px;margin-bottom:48px;padding-bottom:40px;}
}

/* Book grid */
.book-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:48px;
}
@media (max-width:980px){ .book-grid{grid-template-columns:repeat(2,1fr);gap:40px;} }
@media (max-width:640px){ .book-grid{grid-template-columns:1fr;gap:36px;} }

.book-card{
  display:flex;flex-direction:column;gap:18px;
  text-decoration:none;color:inherit;
  padding-top:8px;
  transition:transform .25s ease;
}
.book-card:hover{transform:translateY(-4px);}
.book-card:hover .mini-cover{transform:rotate(0) translateY(-2px);}
.book-card .cov-stage{
  aspect-ratio: 4 / 5;
  display:flex;align-items:center;justify-content:center;
  position:relative;
}
.book-card .cov-stage::before{
  content:""; position:absolute; inset:auto -4% -4% -4%;
  height:30%;
  background:repeating-linear-gradient(45deg, transparent 0 8px, rgba(20,17,14,.05) 8px 9px);
}
.mini-cover{
  position:relative; z-index:2;
  width:76%; aspect-ratio: 3 / 4.2;
  border-radius:2px 6px 6px 2px;
  object-fit:cover;
  box-shadow:0 24px 48px -18px rgba(20,17,14,.35), 0 8px 16px -8px rgba(20,17,14,.2);
  transform:rotate(-2deg);
  transition:transform .4s ease;
}

.book-meta{
  font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  display:flex;gap:10px;align-items:center;
}
.book-meta .lead{color:var(--accent-ink);}
.book-card h4{
  font-family:"Noto Serif JP",serif;font-weight:700;
  font-size:22px;line-height:1.35;letter-spacing:-.01em;margin:0;
}
.book-card p{margin:0;font-size:14px;line-height:1.7;color:var(--ink-2);}
.book-card .cta{
  margin-top:auto;font-family:"Fraunces",serif;font-size:15px;color:var(--ink);
  display:inline-flex;align-items:center;gap:8px;
  padding-top:10px;border-top:1px solid var(--rule);
}
.book-card:hover .cta{color:var(--accent-ink);}
.book-card .cta .arrow{transition:transform .2s;}
.book-card:hover .cta .arrow{transform:translateX(4px);}
.book-eyebrow .bar{width:36px;height:1px;background:var(--accent);}
.book-title{
  font-family:"Noto Serif JP",serif;
  font-weight:700;
  font-size:clamp(40px,5.6vw,72px);
  line-height:1.08; letter-spacing:-.02em;
  margin:0 0 24px;
}
.book-title .accent{color:var(--accent-ink);}
.book-lede{
  font-size:17px; line-height:1.85; color:var(--ink-2);
  max-width:46ch;
  margin:0 0 28px;
}
.book-pull{
  font-family:"Fraunces",serif; font-style:italic;
  font-size:20px; line-height:1.5; color:var(--ink);
  border-left:2px solid var(--accent);
  padding:4px 0 4px 18px;
  margin:0 0 36px;
  max-width:42ch;
}
.buy-row{
  display:flex; flex-wrap:wrap; gap:10px;
}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px; border-radius:999px;
  font-size:13px; letter-spacing:.04em; text-decoration:none;
  border:1px solid var(--line); color:var(--ink); background:transparent;
  transition:all .2s ease;
}
.btn:hover{background:var(--ink);color:var(--paper);}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn.primary:hover{background:var(--accent-ink);border-color:var(--accent-ink);}
.btn .arrow{display:inline-block;transition:transform .2s;}
.btn:hover .arrow{transform:translateX(3px);}

/* Book cover placeholder — editorial treatment */
.cover-stage{
  position:relative;
  aspect-ratio: 4 / 5;
  display:flex;align-items:center;justify-content:center;
}
.cover-stage::before{
  content:""; position:absolute; inset:auto -8% -6% -8%;
  height:36%;
  background:
    repeating-linear-gradient(45deg, transparent 0 8px, rgba(20,17,14,.06) 8px 9px);
  border-radius:4px;
  z-index:0;
}
.cover{
  position:relative; z-index:2;
  width:74%;
  aspect-ratio: 3 / 4.2;
  background:linear-gradient(160deg, #1a1714 0%, #2a241e 60%, #14110E 100%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.05) inset,
    0 30px 60px -20px rgba(20,17,14,.35),
    0 10px 20px -10px rgba(20,17,14,.25);
  border-radius:2px 6px 6px 2px;
  padding:28px 22px;
  display:flex; flex-direction:column; justify-content:space-between;
  color:#F6F2EA;
  transform:rotate(-2.2deg);
  transition:transform .4s ease;
}
.cover:hover{transform:rotate(0deg) translateY(-4px);}
.cover::before{
  content:""; position:absolute; left:6px; top:10px; bottom:10px; width:2px;
  background:rgba(255,255,255,.08);
}
.cover .cov-top{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.3em;opacity:.6;display:flex;justify-content:space-between;}
.cover .cov-title{
  font-family:"Noto Serif JP",serif;
  font-weight:700;
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.2;
  letter-spacing:.01em;
}
.cover .cov-title .o{color:var(--accent);}
.cover .cov-sub{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(246,242,234,.6);}
.cover .cov-author{
  font-family:"Fraunces",serif;font-style:italic;font-size:18px;
  display:flex;justify-content:space-between;align-items:end;
}
.cover-stream{
  display:flex;gap:3px;align-items:end;height:28px;
}
.cover-stream span{width:3px;background:var(--accent);display:block;}
.cover-stream span:nth-child(1){height:40%}
.cover-stream span:nth-child(2){height:70%}
.cover-stream span:nth-child(3){height:100%}
.cover-stream span:nth-child(4){height:60%}
.cover-stream span:nth-child(5){height:85%}
.cover-stream span:nth-child(6){height:50%}
.cover-stream span:nth-child(7){height:90%}

.cover-caption{
  position:absolute; bottom:-36px; left:0; right:0;
  text-align:center;
  font-family:"JetBrains Mono",monospace;
  font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);
}

@media (max-width:860px){
  .book-layout{grid-template-columns:1fr;gap:48px;}
  .cover-stage{order:-1;max-width:360px;margin:0 auto;}
}

/* Skills */
.tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px; border:1px solid var(--line); border-radius:999px;
  font-size:14px; letter-spacing:.01em;
  background:transparent; color:var(--ink);
  transition:all .2s ease;
}
.tag .bullet{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.tag:hover{background:var(--ink);color:var(--paper);}
.tag:hover .bullet{background:var(--accent);}

.skill-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:56px;}
.skill-groups h4{
  font-family:"JetBrains Mono",monospace; font-size:11px; letter-spacing:.24em; text-transform:uppercase;
  color:var(--muted); margin:0 0 16px; padding-bottom:10px; border-bottom:1px solid var(--rule);
}
@media (max-width:820px){.skill-groups{grid-template-columns:1fr;gap:32px;}}

/* Interests */
.int-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.int-card{
  grid-column:span 4;
  padding:32px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--paper);
  display:flex;flex-direction:column;gap:16px;
  min-height:220px;
  transition:transform .25s ease, background .25s ease;
}
.int-card:hover{transform:translateY(-3px);background:#FFFDF7;}
.int-card .n{
  font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.22em;color:var(--muted);
}
.int-card h3{
  font-family:"Fraunces",serif; font-weight:500;
  font-size:28px; letter-spacing:-.01em; margin:0; line-height:1.15;
}
.int-card h3 em{font-family:"Instrument Serif",serif;font-style:italic;color:var(--accent-ink);font-weight:400;}
.int-card p{margin:0;color:var(--ink-2);font-size:14px;line-height:1.7;}
.int-icon{
  width:48px;height:48px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:var(--bg);
}
.int-card.wide{grid-column:span 6;background:var(--ink);color:var(--paper);border-color:var(--ink);}
.int-card.tall{grid-column:span 3;}
.int-card.wide h3{color:var(--paper);}
.int-card.wide p{color:rgba(246,242,234,.7);}
.int-card.wide .int-icon{background:transparent;border-color:rgba(246,242,234,.25);color:var(--accent);}
.int-card.wide .n{color:rgba(246,242,234,.5);}

.countries{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:6px;
}
.country{
  font-family:"Fraunces",serif;font-size:15px;
  padding:6px 12px;border:1px solid rgba(246,242,234,.2);border-radius:999px;
  color:rgba(246,242,234,.9);
}
@media (max-width:980px){
  .int-grid{grid-template-columns:repeat(6,1fr);gap:18px;}
  .int-card{grid-column:span 6;}
  .int-card.wide{grid-column:span 6;}
  .int-card.tall{grid-column:span 3;}
}
@media (max-width:620px){
  .int-card.tall{grid-column:span 6;}
}

/* SNS / Footer */
.colophon{
  padding:84px 0 48px;
}
.sns-title{
  font-family:"Fraunces",serif;
  font-size:clamp(48px,8vw,120px);
  line-height:.92;letter-spacing:-.03em;
  margin:0 0 40px;font-weight:400;
}
.sns-title em{font-family:"Instrument Serif",serif;font-style:italic;color:var(--accent-ink);font-weight:400;}
.sns-list{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid var(--line);
}
.sns-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:26px 4px;
  border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--ink);
  transition:padding .25s ease, color .25s ease;
  position:relative;
}
.sns-item:nth-child(odd){border-right:1px solid var(--line);padding-right:28px;}
.sns-item:nth-child(even){padding-left:28px;}
.sns-item:hover{color:var(--accent-ink);padding-left:16px;}
.sns-item:nth-child(even):hover{padding-left:40px;}
.sns-col{min-width:0;}
.sns-item .label{
  font-family:"Fraunces",serif;font-size:28px;letter-spacing:-.01em;
  white-space:nowrap;
}
.sns-item .handle{
  font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--muted);letter-spacing:.08em;
}
.sns-item .arrow{
  font-family:"Instrument Serif",serif;font-size:28px;color:var(--ink-2);
  transition:transform .25s ease, color .25s ease;
}
.sns-item:hover .arrow{color:var(--accent-ink);transform:translate(4px,-4px) rotate(-8deg);}
@media (max-width:720px){
  .sns-list{grid-template-columns:1fr;}
  .sns-item:nth-child(odd){border-right:none;padding-right:4px;}
  .sns-item:nth-child(even){padding-left:4px;}
  .sns-item:hover, .sns-item:nth-child(even):hover{padding-left:16px;}
}

footer.bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:48px;
  font-size:12px;letter-spacing:.1em;color:var(--muted);
  text-transform:uppercase;font-family:"JetBrains Mono",monospace;
}
footer.bottom em{font-family:"Instrument Serif",serif;font-style:italic;text-transform:none;color:var(--ink);letter-spacing:0;}

/* Small details */
.marquee-mini{
  overflow:hidden;white-space:nowrap;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:14px 0; background:var(--bg);
  font-family:"Fraunces",serif; font-style:italic; font-weight:400;
  font-size:22px; color:var(--ink);
}
.marquee-track{display:inline-flex;gap:48px;animation:scroll 40s linear infinite;}
.marquee-track span{display:inline-flex;align-items:center;gap:48px;}
.marquee-track span::after{content:"✦";color:var(--accent);}
@keyframes scroll{from{transform:translateX(0)} to{transform:translateX(-50%)}}