:root{
  --bg:#04090a;
  --panel:#081112;
  --line:rgba(69,255,190,.34);
  --line-strong:rgba(69,255,190,.58);
  --text:#f5f4ee;
  --muted:#c5d2cc;
  --accent:#43f5a8;
  --violet:#8f52ff;
  --shadow:0 20px 60px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;max-width:100%;overflow-x:hidden}
body{
  margin:0;max-width:100%;overflow-x:hidden;
  background:radial-gradient(circle at 50% 0%, rgba(118,71,255,.10), transparent 28%), var(--bg);
  color:var(--text);
  font-family:"Hiragino Mincho ProN","Yu Mincho","Noto Serif JP",serif;
  line-height:1.8;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.page{width:100%;max-width:1180px;margin:0 auto;padding:16px 16px 42px;overflow:hidden}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 4px 14px;position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);background:linear-gradient(to bottom,rgba(4,9,10,.90),rgba(4,9,10,.55))}
.brand{display:flex;align-items:center;gap:12px;font-size:1.2rem;letter-spacing:.14em;white-space:nowrap}.brand small{font-size:.76rem;color:var(--muted);letter-spacing:.08em;font-family:ui-monospace,monospace}.nav{display:flex;gap:28px;font-size:.95rem;letter-spacing:.08em;white-space:nowrap}.nav a{color:#f7f6f0cc}.menu-button{display:none;border:1px solid var(--line);border-radius:10px;padding:10px 12px;line-height:1;background:rgba(8,17,18,.75)}
.hero-card,.feature-banner,.axes-banner,.notes-banner{position:relative;border:1px solid var(--line-strong);background:#020707;box-shadow:var(--shadow);overflow:hidden;width:100%}
.hero-media{position:relative;min-height:560px;width:100%;background:url('../assets/images/hero-main-clean.png') center/cover no-repeat}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,9,10,.52) 0%,rgba(4,9,10,.24) 42%,rgba(4,9,10,.2) 100%),linear-gradient(180deg,rgba(4,9,10,.08) 0%,rgba(4,9,10,.58) 100%)}
.hero-copy{position:absolute;left:6.5%;top:10%;z-index:2;max-width:48%}.hero-domain{font-size:.78rem;color:#d6dfd8;letter-spacing:.20em;font-family:ui-monospace,monospace;margin:0 0 20px}.hero-title{font-size:clamp(3rem,8vw,6.1rem);letter-spacing:.16em;line-height:1.02;margin:0 0 18px;text-shadow:0 0 24px rgba(67,245,168,.12),0 8px 32px rgba(0,0,0,.66)}.hero-lead{font-size:clamp(1.08rem,2vw,1.5rem);line-height:1.9;letter-spacing:.08em;margin:0;text-shadow:0 3px 18px rgba(0,0,0,.75)}
.hero-down{display:none!important}
.hero-intro{margin:0;padding:18px 28px;border-top:1px solid rgba(69,255,190,.26);background:linear-gradient(180deg,rgba(8,17,18,.98),rgba(7,12,13,.98));text-align:center;font-size:1.06rem;letter-spacing:.08em}
.section{margin-top:28px;width:100%}.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.section-kicker,.feature-kicker,.axes-heading,.notes-heading{margin:0;color:var(--accent);font-size:.9rem;letter-spacing:.18em;font-family:ui-monospace,monospace;text-transform:uppercase}.section-link{font-size:.92rem;color:#dce5df;letter-spacing:.06em}
.card{position:relative;border:1px solid var(--line);background:linear-gradient(180deg,rgba(8,17,18,.92),rgba(6,12,13,.92));box-shadow:var(--shadow);overflow:hidden}
.feature-banner{display:block;border-radius:8px}
.feature-banner-image,.axes-banner-image,.notes-banner-image{position:relative;background:center/cover no-repeat}
.feature-banner-image{min-height:196px;background-image:url('../assets/images/feature-introduction-clean.png');background-position:center 55%}
.axes-banner-image{background-image:url('../assets/images/research-axes-clean.png');min-height:190px;background-position:center center;background-size:cover}
.notes-banner-image{background-image:url('../assets/images/notes-bibliography-clean.png');min-height:220px;background-position:center center;background-size:cover}
.feature-banner-image::before,.axes-banner-image::before,.notes-banner-image::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,9,10,.70) 0%,rgba(4,9,10,.42) 42%,rgba(4,9,10,.10) 100%),linear-gradient(180deg,rgba(4,9,10,.06) 0%,rgba(4,9,10,.30) 100%)}
.notes-banner-image::before{background:linear-gradient(90deg,rgba(4,9,10,.35) 0%,rgba(4,9,10,.68) 46%,rgba(4,9,10,.26) 100%),linear-gradient(180deg,rgba(4,9,10,.08),rgba(4,9,10,.22))}
.feature-overlay,.axes-overlay,.notes-overlay{position:relative;z-index:1;padding:18px 22px 20px}
.feature-title{font-size:2.35rem;line-height:1.18;letter-spacing:.08em;margin:6px 0 10px}.feature-desc{max-width:52rem;margin:0 0 16px;color:#edf4efdd}
.btn{display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border:1px solid var(--line-strong);border-radius:10px;color:var(--accent);font-size:.96rem;letter-spacing:.08em;width:max-content;background:rgba(0,0,0,.18)}
.essay-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.essay-card{display:block;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}.essay-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 22px 64px rgba(0,0,0,.58)}
.essay-thumb{position:relative;min-height:286px;background:center/cover no-repeat;display:flex;align-items:flex-end;overflow:hidden}.essay-yowai-card .essay-thumb{background-position:72% center!important}.essay-thumb::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(2,5,7,.08) 0%,rgba(2,5,7,.16) 28%,rgba(2,5,7,.64) 72%,rgba(2,5,7,.92) 100%)}.essay-thumb::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(67,245,168,.08);pointer-events:none}.essay-overlay{position:relative;z-index:1;padding:18px 16px 16px;width:100%}.essay-overlay-title{font-size:1.1rem;line-height:1.28;margin:0 0 8px;letter-spacing:.05em;text-shadow:0 2px 12px rgba(0,0,0,.7)}.essay-overlay-copy{margin:0;color:#eef7f1d9;font-size:.88rem;line-height:1.72;text-shadow:0 2px 10px rgba(0,0,0,.7)}
.banner-title{font-size:1.75rem;letter-spacing:.06em;line-height:1.2;margin:0 0 14px}
.axes-heading,.notes-heading{display:block;margin-bottom:14px}
.axes-pills{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;align-items:center}.axis-pill{display:flex;flex-direction:column;justify-content:center;gap:2px;min-height:62px;padding:8px 10px;border:1px solid rgba(67,245,168,.24);border-radius:999px;background:rgba(2,9,10,.62);text-align:center;backdrop-filter:blur(4px)}.axis-pill strong{font-size:.94rem;letter-spacing:.04em;line-height:1.2}.axis-pill span{font-size:.68rem;color:#e3eee8d2;line-height:1.25}
.notes-links{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:72px}.note-banner-link{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border:1px solid rgba(67,245,168,.28);border-radius:12px;background:rgba(2,9,10,.54);backdrop-filter:blur(6px)}.note-banner-link strong{font-size:1.1rem;letter-spacing:.04em}.note-banner-link span{font-size:.9rem;color:#e3eee8d2;line-height:1.55}
.footer{padding:22px 0 6px;text-align:center;color:#d1dad4;font-size:.88rem}.muted{color:#d9e2dccc}
/* Article pages */
.essay-visual{width:100%;max-width:1080px;min-height:430px;margin:clamp(22px,4vw,38px) auto 0;padding:clamp(22px,4vw,36px);position:relative;overflow:hidden;display:grid;align-content:end;border:1px solid rgba(70,255,184,.32);box-shadow:0 24px 86px rgba(0,0,0,.38);background:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.58)),url('../assets/images/hero-main-clean.png') center/cover no-repeat}.essay-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,7,6,.82),rgba(3,7,6,.32));z-index:0}.essay-visual-yakumei{background-image:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.58)),url('../assets/images/hero-main-clean.png')}.essay-visual-introduction{background-image:linear-gradient(180deg,rgba(0,0,0,.10),rgba(0,0,0,.58)),url('../assets/images/feature-introduction-clean.png')}.essay-visual-inner,.essay-visual .back-link{position:relative;z-index:1}.essay-title{font-size:clamp(3.1rem,7.2vw,5.9rem);line-height:1.35;letter-spacing:.06em;margin:58px 0 28px;text-shadow:0 0 26px rgba(0,0,0,.95)}.essay-subtitle{font-size:clamp(1.05rem,2.1vw,1.45rem);letter-spacing:.08em;margin:0}.article-kicker{font-family:ui-monospace,monospace;letter-spacing:.14em;color:var(--accent)}.back-link{display:inline-flex;color:#f5f4ee;margin-bottom:10px}.article-wrap{max-width:1080px;margin:22px auto 0}.article{border:1px solid rgba(70,255,184,.22);background:rgba(3,10,10,.48);padding:clamp(24px,4vw,42px)}.body-copy{max-width:880px;margin:0 auto}.body-copy p{font-size:1.05rem;line-height:2.08;margin:0 0 1.25em}.article-meta{max-width:880px;margin:38px auto 0;padding:18px 20px;border-top:1px solid rgba(70,255,184,.28);background:rgba(1,7,7,.45);color:#dce8e1;font-size:.92rem}.article-meta p{margin:.4em 0;line-height:1.75}.site-footer{max-width:1080px;margin:24px auto 0;padding:18px 0 0;border-top:1px solid rgba(70,255,184,.18);color:#d4dfd9}.site-footer p{margin:.5em 0}.site-footer a{color:var(--accent)}
@media (max-width:1080px){.essay-grid{grid-template-columns:repeat(3,1fr)}.axes-pills{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){
 html,body{width:100%;overflow-x:hidden}.page{padding:10px 10px 28px;max-width:100%;overflow:hidden}.topbar{padding:8px 2px 12px;gap:10px}.brand{font-size:1rem;gap:8px;letter-spacing:.10em;min-width:0;overflow:hidden;text-overflow:ellipsis}.brand small{font-size:.68rem;letter-spacing:.04em;max-width:8.6em;overflow:hidden;text-overflow:ellipsis}.nav{display:none!important}.menu-button{display:grid;place-items:center;color:#fff;flex:0 0 auto}
 .hero-media{min-height:610px;background-image:url('../assets/images/hero-main-clean.png');background-position:center top;background-size:cover}.hero-media::after{background:linear-gradient(180deg,rgba(4,9,10,.18) 0%,rgba(4,9,10,.36) 38%,rgba(4,9,10,.72) 100%)}.hero-copy{left:8%;right:8%;top:auto;bottom:25%;max-width:none;text-align:left}.hero-domain{display:none}.hero-title{font-size:clamp(3rem,15vw,4.2rem);letter-spacing:.10em;margin-bottom:10px;white-space:nowrap}.hero-lead{font-size:clamp(1rem,4.2vw,1.18rem);line-height:1.75;letter-spacing:.05em}.hero-intro{padding:17px 16px;font-size:.96rem;line-height:1.85;letter-spacing:.05em;text-align:center}
 .feature-banner-image{min-height:220px}.feature-overlay,.axes-overlay,.notes-overlay{padding:16px 16px 18px}.feature-title{font-size:1.9rem}.feature-desc{font-size:.95rem;max-width:none}.section-head{margin-bottom:10px;align-items:flex-start;flex-direction:column;gap:6px}.section-kicker{font-size:.82rem;letter-spacing:.14em}.essay-grid{grid-template-columns:1fr;gap:10px}.essay-thumb{min-height:164px}.essay-overlay{padding:14px 14px 13px}.essay-overlay-title{font-size:1.15rem;margin-bottom:6px}.essay-overlay-copy{font-size:.9rem;line-height:1.65}.axes-banner-image{min-height:330px}.axes-pills{grid-template-columns:1fr 1fr}.axis-pill{border-radius:18px;padding:10px 12px}.notes-banner-image{min-height:260px}.notes-links{grid-template-columns:1fr;margin-top:52px}.note-banner-link strong{font-size:1.04rem}.note-banner-link span{font-size:.88rem}.essay-visual{min-height:330px}.essay-title{font-size:clamp(2.5rem,12vw,4.6rem);margin:38px 0 18px}.article{padding:22px 16px}.body-copy p{font-size:1rem;line-height:1.98}
}
@media (max-width:390px){.brand small{display:none}.hero-media{min-height:560px}.hero-copy{bottom:24%}.hero-title{font-size:3rem}.essay-thumb{min-height:152px}.axes-pills{grid-template-columns:1fr}}