:root{--ground:#eceff1;--ground-2:#e2e7ea;--panel:#f6f8f9;--panel-2:#e7ecee;--line:#c4ccd2;--line-strong:#99a6b0;--ink:#16212b;--ink-soft:#35454f;--muted:#5d6b76;--on-dark:#f1f4f5;--signal:#d9482b;--signal-deep:#8f2c17;--olive:#4b5d3a;--olive-soft:#dde2d4;--maxw:70rem;--font:"Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", Meiryo, system-ui, -apple-system, "Segoe UI", sans-serif;--mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--grid-fine:#16212b0e;--grid-major:#16212b17}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background-color:var(--ground);background-image:linear-gradient(to right, var(--grid-fine) 1px, transparent 1px), linear-gradient(to bottom, var(--grid-fine) 1px, transparent 1px), linear-gradient(to right, var(--grid-major) 1px, transparent 1px), linear-gradient(to bottom, var(--grid-major) 1px, transparent 1px);color:var(--ink);font-family:var(--font);overflow-wrap:anywhere;text-rendering:optimizelegibility;background-size:24px 24px,24px 24px,120px 120px,120px 120px;margin:0;font-size:1.0625rem;line-height:1.85}::selection{background:var(--ink);color:var(--on-dark)}a{color:inherit}:focus-visible{outline:2px solid var(--signal);outline-offset:3px}.wrap{width:min(100% - 2rem, var(--maxw));margin-inline:auto}.skip{position:absolute;left:-9999px}.skip:focus{z-index:30;background:var(--ink);color:var(--on-dark);padding:.5rem .9rem;top:1rem;left:1rem}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.label{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--olive);font-size:.6875rem;font-weight:600}.masthead{z-index:20;background:color-mix(in srgb, var(--ground) 92%, transparent);border-bottom:1px solid var(--line-strong);backdrop-filter:blur(6px);position:sticky;top:0}.masthead-inner{align-items:center;gap:1.5rem;padding-block:.7rem;display:flex}.wordmark{align-items:center;gap:.55rem;min-width:0;margin-right:auto;text-decoration:none;display:inline-flex}.wordmark-mark{font-family:var(--mono);background:var(--ink);color:var(--on-dark);letter-spacing:.1em;padding:.2rem .4rem .15rem;font-size:.75rem;font-weight:700}.wordmark-text{letter-spacing:.01em;color:var(--ink);white-space:nowrap;text-overflow:ellipsis;font-size:.875rem;font-weight:700;overflow:hidden}.nav{gap:1.15rem;font-size:.875rem;font-weight:600;display:flex}.nav a{color:var(--muted);white-space:nowrap;border-bottom:2px solid #0000;padding-block:.3rem;text-decoration:none}.nav a:hover{color:var(--ink)}.nav a[aria-current=page]{color:var(--ink);border-bottom-color:var(--signal)}.nav-play{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal-deep);border:1px solid var(--signal);white-space:nowrap;padding:.2rem .5rem;font-size:.6875rem;text-decoration:none}.nav-play:hover{background:var(--signal);color:var(--on-dark)}.lang{flex:none;position:relative}.hero{border-bottom:1px solid var(--line);padding-block:clamp(2.25rem,5vw,3.75rem) clamp(2.5rem,6vw,4.5rem)}.hero-meta{border-bottom:1px solid var(--line);font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--olive);flex-wrap:wrap;gap:0 1.5rem;margin:0 0 clamp(1.25rem,3vw,2rem);padding:0 0 .6rem;font-size:.6875rem;display:flex}.hero-meta span:before{content:"▪ ";color:var(--signal)}.hero h1{letter-spacing:-.03em;word-break:keep-all;overflow-wrap:anywhere;max-width:22ch;margin:0;font-size:clamp(1.95rem,6vw,4.4rem);font-weight:800;line-height:1.03}.hero h1 em{color:var(--signal);font-style:normal}.hero-sub{grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);align-items:start;gap:clamp(1.75rem,4vw,3.5rem);margin-top:clamp(1.5rem,3vw,2.25rem);display:grid}.hero-lead{max-width:46ch;color:var(--ink-soft);margin:0;font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.8}.play{background:var(--signal);color:#fdfefe;letter-spacing:.01em;border:1px solid var(--signal);align-items:center;gap:.6rem;margin-top:1.75rem;padding:.85rem 1.4rem;font-size:1rem;font-weight:700;text-decoration:none;display:inline-flex}.play:hover{background:var(--ink);border-color:var(--ink)}.official-link{width:fit-content;font-family:var(--mono);letter-spacing:.06em;color:var(--muted);border-bottom:1px solid var(--line-strong);margin-top:.85rem;font-size:.75rem;text-decoration:none;display:block}.official-link:hover{color:var(--signal-deep);border-bottom-color:var(--signal)}.hero-figure{border:1px solid var(--line-strong);background:var(--panel);margin:0;padding:.4rem}.hero-shot{filter:saturate(.92);width:100%;height:auto;display:block}.credit{border-top:1px solid var(--line);font-family:var(--mono);letter-spacing:.04em;color:var(--muted);margin:.45rem 0 0;padding-top:.35rem;font-size:.6875rem}.credit a{color:var(--olive)}.band{border-bottom:1px solid var(--line);padding-block:clamp(2.25rem,5vw,3.75rem)}.band-title{letter-spacing:-.01em;align-items:baseline;gap:.75rem;margin:0 0 1.75rem;font-size:clamp(1.25rem,2vw,1.5rem);font-weight:800;display:flex}.band-title:before{content:"";background:var(--signal);flex:none;width:.65rem;height:.65rem;transform:translateY(-.1em)}.band-lead{max-width:62ch;color:var(--ink-soft);margin:0 0 1.5rem;font-size:1rem;line-height:1.8}.steps{border-top:1px solid var(--line-strong);counter-reset:step;margin:0;padding:0;list-style:none}.steps li{counter-increment:step;border-bottom:1px solid var(--line)}.steps a{grid-template-columns:2.75rem minmax(0,1fr);align-items:baseline;gap:0 1.25rem;padding:1.05rem .75rem 1.05rem 0;text-decoration:none;display:grid}.steps a:before{content:counter(step, decimal-leading-zero);font-family:var(--mono);color:var(--signal);letter-spacing:.04em;font-size:.8125rem;font-weight:600}.steps a:hover{background:var(--panel);box-shadow:inset 3px 0 0 var(--signal)}.step-title{font-size:1.0625rem;font-weight:700;display:block}.step-title,.step-body{grid-column:2}.step-body{color:var(--muted);max-width:62ch;margin-top:.15rem;font-size:.9375rem;line-height:1.7;display:block}.facts{border-top:1px solid var(--line-strong);border-left:1px solid var(--line);grid-template-columns:repeat(3,1fr);margin:0;display:grid}.fact{border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-width:0;padding:.9rem 1rem}.fact dt{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--olive);margin-bottom:.15rem;font-size:.625rem;font-weight:600}.fact dd{font-variant-numeric:tabular-nums;margin:0;font-size:.9375rem;line-height:1.6}.pagelinks{border-top:1px solid var(--line-strong);counter-reset:toc;margin:0;padding:0;list-style:none}.pagelinks li{counter-increment:toc;border-bottom:1px solid var(--line)}.pagelinks a{grid-template-columns:2.75rem minmax(0,1fr);align-items:baseline;gap:0 1.25rem;padding:.95rem .75rem .95rem 0;text-decoration:none;display:grid}.pagelinks a:before{content:counter(toc, decimal-leading-zero);font-family:var(--mono);color:var(--line-strong);letter-spacing:.04em;font-size:.75rem}.pagelinks a:hover{background:var(--panel);box-shadow:inset 3px 0 0 var(--olive)}.pagelinks a:hover:before{color:var(--olive)}.pagelink-title{font-size:1.0625rem;font-weight:700;display:block}.pagelink-title,.pagelink-lead{grid-column:2}.pagelink-lead{color:var(--muted);max-width:66ch;margin-top:.1rem;font-size:.875rem;line-height:1.65;display:block}.pagelinks.compact a{grid-template-columns:2.25rem minmax(0,1fr);padding-block:.6rem}.pagelinks.compact .pagelink-title{font-size:.9375rem}.article{padding-block:clamp(1.5rem,4vw,2.5rem) clamp(2.5rem,6vw,4.5rem)}.crumbs{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap;gap:.45rem;font-size:.6875rem;display:flex}.crumbs a{color:var(--olive);text-decoration:none}.crumbs a:hover{color:var(--signal-deep)}.article-head{border-bottom:1px solid var(--line-strong);margin-block:1.25rem clamp(1.75rem,4vw,2.75rem);padding-bottom:clamp(1.25rem,3vw,2rem)}.article-head h1{letter-spacing:-.025em;max-width:24ch;margin:0;font-size:clamp(1.85rem,4.2vw,3.1rem);font-weight:800;line-height:1.1}.article-lead{max-width:48ch;color:var(--ink-soft);margin:.9rem 0 0;font-size:1rem;line-height:1.75}.page-meta{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:.75rem 0 0;font-size:.6875rem}.prose{counter-reset:sec;max-width:70ch}.prose h2{border-top:1px solid var(--line-strong);letter-spacing:-.01em;margin:clamp(2rem,4vw,2.75rem) 0 .85rem;padding-top:.75rem;font-size:clamp(1.1875rem,2vw,1.4375rem);font-weight:800;line-height:1.45}.prose h2:before{counter-increment:sec;content:"S" counter(sec, decimal-leading-zero);font-family:var(--mono);letter-spacing:.1em;color:var(--signal);vertical-align:.25em;margin-right:.6rem;font-size:.625rem;font-weight:600;display:inline-block}.prose>section:first-child>h2{margin-top:0}.prose p{margin:0 0 1.05rem}.prose p:last-child{margin-bottom:0}.bullets{margin:0 0 1.25rem;padding:0;list-style:none}.bullets li{margin-bottom:.5rem;padding-left:1.25rem;position:relative}.bullets li:before{content:"";background:var(--olive);width:.4rem;height:.4rem;position:absolute;top:.7em;left:0}.kv{border-top:1px solid var(--line-strong);margin:0 0 1.25rem}.kv-row{border-bottom:1px solid var(--line);grid-template-columns:minmax(7.5rem,14rem) minmax(0,1fr);gap:0 1.5rem;padding:.6rem 0;display:grid}.kv dt{color:var(--ink);font-size:.875rem;font-weight:700;line-height:1.6}.kv dd{color:var(--ink-soft);font-variant-numeric:tabular-nums;margin:0;font-size:.9375rem;line-height:1.7}.linklist{border-top:1px solid var(--line-strong);margin:0 0 1.25rem;padding:0;list-style:none}.linklist li{border-bottom:1px solid var(--line)}.linklist a{flex-wrap:wrap;align-items:baseline;gap:.45rem;padding:.65rem 0;text-decoration:none;display:flex}.linklist a:hover .link-label{color:var(--signal-deep);text-underline-offset:3px;text-decoration:underline}.link-label{font-size:.9375rem;font-weight:700}.link-tag{font-family:var(--mono);letter-spacing:.1em;background:var(--olive);color:var(--on-dark);padding:.05rem .35rem;font-size:.625rem}.link-note{color:var(--muted);flex:100%;font-size:.8125rem;line-height:1.6}.evpanel{border:1px solid var(--ink);background:var(--panel);margin:0 0 1.5rem}.evpanel-bar{background:var(--ink);color:var(--on-dark);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:.25rem 1rem;padding:.5rem .85rem;display:flex}.evpanel-title{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;font-size:.6875rem;font-weight:600}.evpanel-sub{font-family:var(--mono);letter-spacing:.08em;color:#b9c4ca;font-size:.625rem}.evpanel ol{margin:0;padding:0;list-style:none}.evpanel-row{border-bottom:1px solid var(--line);grid-template-columns:11.5rem minmax(0,1fr);gap:.15rem 1.25rem;padding:.75rem .85rem;display:grid}.evpanel-row:last-child{border-bottom:0}.evpanel-code{font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--olive);align-self:start;padding-top:.2rem;font-size:.625rem;font-weight:600}.evpanel-jp{font-size:.9375rem;font-weight:700;display:block}.evpanel-say{color:var(--muted);margin-top:.1rem;font-size:.8125rem;font-style:normal;display:block}.evpanel-act{border-left:2px solid var(--signal);color:var(--ink-soft);margin-top:.4rem;padding-left:.7rem;font-size:.875rem;line-height:1.65;display:block}.evpanel-act b{color:var(--signal-deep)}.evpanel-foot{border-top:1px solid var(--line);background:var(--panel-2);color:var(--muted);margin:0;padding:.45rem .85rem;font-size:.75rem}.mapfig{border:1px solid var(--line-strong);background:var(--panel);margin:0 0 1.5rem;padding:.5rem}.mapfig svg{width:100%;height:auto;display:block}.mapfig-key{border-top:1px solid var(--line);color:var(--ink-soft);grid-template-columns:repeat(2,minmax(0,1fr));gap:.4rem 1.25rem;margin:.7rem 0 0;padding:.7rem 0 0;font-size:.8125rem;line-height:1.4;list-style:none;display:grid}.mapfig-key li{align-items:center;gap:.5rem;display:flex}.mapfig-key i{border:1px solid #16212b47;flex:none;width:16px;height:11px}.mapfig-key .k-a{background:var(--olive)}.mapfig-key .k-b{background:var(--ink)}.mapfig-key .k-n{background:#c0c9cf}.mapfig-key .k-x{background:repeating-linear-gradient(45deg, #e8c3ba 0 3px, var(--signal) 3px 5px)}.mapfig-key .k-port{background:var(--olive);border-color:#0000;border-radius:50%;width:11px;height:11px}.mapfig-key .k-route{background:repeating-linear-gradient(90deg,#16212b73 0 4px,#0000 4px 8px);border:0;height:2px}.mapfig figcaption{border-top:1px solid var(--line);color:var(--muted);margin-top:.4rem;padding-top:.35rem;font-size:.75rem;line-height:1.6}.filter{border-bottom:1px solid var(--line-strong);flex-wrap:wrap;align-items:center;gap:.75rem;margin:0 0 1.5rem;padding-bottom:1rem;display:flex}.filter input{min-width:0;font-family:var(--font);background:var(--panel);color:var(--ink);border:1px solid var(--line-strong);appearance:none;border-radius:0;flex:16rem;padding:.5rem .7rem;font-size:.9375rem}.filter input:focus{border-color:var(--signal);box-shadow:inset 0 0 0 1px var(--signal);outline:none}.filter-count{font-family:var(--mono);color:var(--olive);font-variant-numeric:tabular-nums;font-size:.75rem}.related{border-top:1px solid var(--line-strong);margin-top:clamp(2.5rem,5vw,3.5rem);padding-top:clamp(1.5rem,3vw,2rem)}.related h2{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--olive);margin:0 0 1rem;font-size:.6875rem;font-weight:600}.footer{background:var(--ground-2);border-top:1px solid var(--line-strong);padding-block:clamp(2.25rem,5vw,3.5rem) 2rem}.footer-name{letter-spacing:-.02em;max-width:20ch;margin:0 0 1.25rem;font-size:clamp(1.5rem,4vw,2.25rem);font-weight:800;line-height:1.1}.footer-nav{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:0 1.25rem;margin-bottom:1.5rem;padding-bottom:1.25rem;font-size:.875rem;font-weight:600;display:flex}.footer-nav a{color:var(--muted);text-decoration:none}.footer-nav a:hover{color:var(--ink)}.footer-note{color:var(--muted);max-width:72ch;margin:.2rem 0;font-size:.75rem;line-height:1.7}.footer-note:last-child{font-family:var(--mono);letter-spacing:.04em}@keyframes rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.hero h1{animation:.55s cubic-bezier(.2,.7,.2,1) both rise}.hero-lead,.hero-meta{animation:.55s cubic-bezier(.2,.7,.2,1) 60ms both rise}.play{animation:.55s cubic-bezier(.2,.7,.2,1) .12s both rise}.js [data-reveal]{opacity:0;transition:opacity .4s,transform .4s cubic-bezier(.2,.7,.2,1);transform:translateY(12px)}.js [data-reveal].in{opacity:1;transform:none}@media (width<=62rem){.masthead-inner{flex-wrap:wrap;gap:.4rem 1rem}.nav{scrollbar-width:none;order:3;gap:1rem;width:100%;padding-bottom:.2rem;overflow-x:auto}.nav::-webkit-scrollbar{display:none}.hero-sub{grid-template-columns:1fr}.hero-figure{order:-1;max-width:34rem}.facts{grid-template-columns:repeat(2,1fr)}.evpanel-row{grid-template-columns:1fr;gap:.25rem}}@media (width<=40rem){body{font-size:1rem}.facts{grid-template-columns:1fr}.kv-row{grid-template-columns:1fr;gap:0;padding:.55rem 0}.kv dt{color:var(--olive)}.steps a,.pagelinks a{grid-template-columns:2.1rem minmax(0,1fr);gap:0 .7rem}.evpanel-row{padding:.65rem .7rem}.hero h1{letter-spacing:-.02em}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}.hero h1,.hero-lead,.hero-meta,.play{animation:none}.js [data-reveal]{opacity:1;transition:none;transform:none}}@media (width>=48rem){.hero h1,.article-head h1{word-break:keep-all}}@media (width<=40rem){.mapfig-key{grid-template-columns:1fr;gap:.35rem}}