/* AIR FINDER site — shared styles for index.html / status.html
   Warm "amber light" editorial look. Dark is the default; html[data-theme=light] switches. */
:root{
  --bg:#120d08; --bg-2:#1f1610; --bg-3:#2a1d13;
  --ink:#f4ece1; --muted:#c4b5a3; --faint:#a08d73;
  --accent:#f29a2e; --accent-2:#ffc061; --deep:#b8620f;
  --grad:linear-gradient(135deg,#d98a1f,#a8510c);
  --glow:rgba(242,154,46,.5);
  --panel:rgba(255,240,225,.035); --panel-2:rgba(255,240,225,.06);
  --line:rgba(255,236,218,.1); --line-strong:rgba(242,154,46,.34);
  --ok:#3ccf98; --ok-bg:rgba(60,207,152,.12);
  --wip:#ffc078; --wip-bg:rgba(255,192,120,.12);
  --later:#b9a6e6; --later-bg:rgba(185,166,230,.12);
  --body-bg:radial-gradient(1100px 700px at 82% -6%,rgba(242,154,46,.16),transparent 60%),
            linear-gradient(180deg,#1b130c,#120d08 42%,#0e0a06);
  --nav-bg:rgba(20,13,7,.72);
  --band:#0d0905;
  --serif:"Noto Serif JP",serif;
  --ease:cubic-bezier(.22,1,.36,1);
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#f9f1e6; --bg-2:#f4e9da; --bg-3:#eee0cc;
  --ink:#2a1c10; --muted:#6f5e4b; --faint:#8a7660;
  --accent:#b85a00; --accent-2:#c96a00; --deep:#8f4300;
  --grad:linear-gradient(135deg,#e07a1a,#b24f00);
  --glow:rgba(224,122,26,.35);
  --panel:rgba(255,255,255,.55); --panel-2:rgba(255,255,255,.85);
  --line:rgba(42,28,16,.12); --line-strong:rgba(184,90,0,.38);
  --ok:#08704f; --ok-bg:rgba(8,112,79,.1);
  --wip:#9a5a06; --wip-bg:rgba(201,120,15,.13);
  --later:#5f4c99; --later-bg:rgba(95,76,153,.1);
  --body-bg:radial-gradient(1100px 700px at 82% -6%,rgba(242,154,46,.18),transparent 60%),
            linear-gradient(180deg,#fbf4ea,#f9f1e6 42%,#f3e7d6);
  --nav-bg:rgba(249,241,230,.8);
  --band:#1a120b;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--bg);background-image:var(--body-bg);background-attachment:fixed;
  font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans",sans-serif;
  line-height:1.75;-webkit-text-size-adjust:100%}
a{color:var(--accent-2)}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}

/* ===== nav ===== */
.nav{position:sticky;top:0;z-index:20;height:66px;background:var(--nav-bg);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:1.5rem;height:100%}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:800;letter-spacing:.12em;color:var(--ink);text-decoration:none;white-space:nowrap}
.drop{width:18px;height:18px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);flex:none;
  background:radial-gradient(circle at 35% 35%,#ffe7b8,var(--accent) 60%,var(--deep));box-shadow:0 0 16px var(--glow)}
.nav ul{list-style:none;display:flex;gap:1.4rem;margin:0 auto;padding:0;font-size:.88rem}
.nav ul a{color:var(--muted);text-decoration:none}
.nav ul a:hover,.nav ul a[aria-current="page"]{color:var(--ink)}
.theme{margin-left:auto;background:none;border:1px solid var(--line);color:var(--ink);border-radius:999px;
  width:36px;height:36px;cursor:pointer;font-size:1rem;flex:none}
@media (min-width:1021px){.nav ul + .theme{margin-left:0}}

/* ===== buttons / kicker / tags ===== */
.btn{display:inline-block;padding:14px 26px;border-radius:4px;font-weight:700;text-decoration:none;font-size:.95rem;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.btn.primary{background:var(--grad);color:#fff;box-shadow:0 14px 40px -12px var(--glow)}
.btn.ghost{border:1px solid var(--line-strong);color:var(--ink)}
.btn:hover{transform:translateY(-2px)}
.btns{display:flex;gap:.8rem;flex-wrap:wrap}
.kicker{display:inline-flex;align-items:center;gap:.6rem;border:1px solid var(--line-strong);border-radius:4px;
  padding:.3rem .8rem;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2)}
.kicker::before{content:"";width:8px;height:8px;background:var(--accent);box-shadow:0 0 10px var(--glow)}
.tag{display:inline-block;border:1px solid var(--line);border-radius:4px;padding:.05rem .5rem;font-size:.7rem;
  color:var(--muted);margin:.15rem .25rem 0 0}
.pill{display:inline-flex;align-items:center;gap:.4rem;border-radius:999px;padding:.12rem .65rem;font-size:.75rem;font-weight:700;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.pill.ok{color:var(--ok);background:var(--ok-bg)}
.pill.wip{color:var(--wip);background:var(--wip-bg)}
.pill.later{color:var(--later);background:var(--later-bg)}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:2rem;align-items:center;
  min-height:clamp(560px,84vh,880px);padding-top:3rem;padding-bottom:7rem}
.hero.compact .wrap{min-height:auto;grid-template-columns:1fr;padding-top:4.5rem;padding-bottom:3.5rem}
.brandrow{display:flex;align-items:center;gap:1rem;margin:1.4rem 0 .4rem}
.brandrow .name{font-size:2rem;font-weight:800;letter-spacing:.1em}
.brandrow .exp{font-size:.72rem;letter-spacing:.24em;color:var(--faint);text-transform:uppercase}
.tagline{font-family:var(--serif);font-style:italic;font-size:1.35rem;color:var(--accent-2);margin:0 0 1rem}
.hero h1{font-size:clamp(2.1rem,3.15vw,2.7rem);font-weight:800;line-height:1.4;margin:0 0 1.2rem}
.lead{color:var(--muted);max-width:560px;margin:0 0 1.2rem}
.pain{display:flex;align-items:center;gap:.8rem;color:var(--faint);font-size:.92rem;margin:0 0 2rem}
.pain::before{content:"";width:34px;height:2px;background:var(--accent);flex:none}
.orb{justify-self:center;width:min(340px,70vw);aspect-ratio:1;position:relative}
.orb .core{position:absolute;inset:14%;border-radius:50% 50% 50% 0;transform:rotate(-45deg);
  background:radial-gradient(circle at 34% 34%,#fff1cf 0,#ffc061 22%,#e8891c 55%,#8f430a 100%);
  box-shadow:0 30px 80px rgba(242,154,46,.45),inset -18px -18px 50px rgba(80,30,0,.45)}
.orb .ring{position:absolute;inset:0;border:1px solid var(--line-strong);border-radius:50%}
.orb .ring.r2{inset:-9%;border-style:dashed;opacity:.5;animation:spin 60s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.chapters{position:absolute;left:0;right:0;bottom:0;border-top:1px solid var(--line)}
.chapters ol{list-style:none;margin:0 auto;padding:0 40px;max-width:1200px;display:grid;grid-template-columns:repeat(5,1fr)}
.chapters li{border-left:1px solid var(--line)}
.chapters li:last-child{border-right:1px solid var(--line)}
.chapters a{display:block;padding:.9rem 1rem;text-decoration:none;color:var(--ink);font-size:.86rem}
.chapters a:hover{background:var(--panel-2)}
.chapters small{display:block;font-size:.62rem;letter-spacing:.2em;color:var(--accent-2)}
.chapters em{display:block;font-style:normal;font-size:.62rem;letter-spacing:.14em;color:var(--faint);text-transform:uppercase}

/* ===== chapter sections ===== */
.chapter{padding:104px 0;border-top:1px solid var(--line)}
.ch-head{display:grid;grid-template-columns:auto 1fr;gap:2rem;align-items:start;margin-bottom:3rem}
.ch-num{font-family:var(--serif);font-style:italic;font-size:3.4rem;line-height:1;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.1em}
.ch-label{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2);font-weight:700}
.ch-head h2{font-size:clamp(1.7rem,3.4vw,2.5rem);font-weight:800;line-height:1.35;margin:.3rem 0 .6rem}
.ch-head p{color:var(--muted);max-width:880px;margin:0}

.grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:26px 28px;
  transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease)}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);background:var(--panel-2)}
.card h3{margin:.2rem 0 .5rem;font-size:1.1rem}
.card p,.card ul{color:var(--muted);font-size:.93rem;margin:0}
.card ul{padding-left:1.15rem}
.card li{margin:.25rem 0}
.step-no{font-size:.68rem;letter-spacing:.2em;color:var(--accent-2);font-weight:700}
.ico{font-size:1.7rem;display:block;margin:.6rem 0 .4rem}

/* experience flow */
.flow{list-style:none;padding:0;margin:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));counter-reset:s}
.flow li{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:18px 18px 20px;color:var(--muted);font-size:.88rem}
.flow li::before{counter-increment:s;content:counter(s,decimal-leading-zero);display:block;font-family:var(--serif);
  font-style:italic;font-size:1.6rem;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:.5rem}
.flow b{display:block;color:var(--ink);font-size:1rem;margin-bottom:.2rem}

/* loop */
.loop{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:stretch;gap:.6rem}
.loop .arrow{align-self:center;color:var(--accent);font-size:1.4rem}
.callout{margin-top:1.6rem;background:#f2e7d6;color:#2a1c10;border-radius:14px;padding:22px 26px;font-size:.95rem}
.callout b{color:#8f4300}

/* dark band */
.band{background:var(--band);color:#f4ece1;--muted:#c4b5a3;--line:rgba(255,236,218,.1);--panel:rgba(255,240,225,.035);
  --panel-2:rgba(255,240,225,.06);--line-strong:rgba(242,154,46,.34);--ink:#f4ece1;--accent-2:#ffc061}
.stats{display:grid;grid-template-columns:repeat(3,1fr);margin:0 0 1rem}
.stat{padding:.5rem 2rem;border-left:1px solid var(--line)}
.stat:first-child{border-left:none;padding-left:0}
.stat .n{font-size:clamp(3rem,6vw,4.6rem);font-weight:800;line-height:1.1;background:linear-gradient(135deg,#ffc061,#e07a1a);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat .l{color:#c4b5a3;font-size:.9rem}
.disclaimer{color:#a08d73;font-size:.8rem;margin:0 0 3rem}

/* layers */
.layer .k{font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--accent-2);font-weight:700}

/* ===== status page: milestone rail ===== */
.rail{display:grid;gap:1rem;grid-template-columns:repeat(3,1fr)}
.ms{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px 24px;position:relative}
.ms .when{font-size:.72rem;letter-spacing:.14em;color:var(--faint);font-weight:700}
.ms h3{margin:.3rem 0 .4rem;font-size:1.05rem}
.ms p{margin:0;color:var(--muted);font-size:.9rem}
.ms .badge{position:absolute;top:18px;right:18px;font-size:.7rem;font-weight:700;border-radius:4px;padding:.1rem .5rem}
.ms.done .badge{color:var(--ok);background:var(--ok-bg)}
.ms.now{border:2px solid var(--accent);box-shadow:0 18px 50px -24px var(--glow)}
.ms.now .badge{background:var(--grad);color:#fff}
.ms.plan .badge{color:var(--wip);background:var(--wip-bg)}
.ms.todo{opacity:.68;border-style:dashed}
.ms.todo .badge{color:var(--muted);border:1px dashed var(--line-strong)}

/* tracker rows */
.tracker{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}
.trow{display:grid;grid-template-columns:110px 1fr 108px;gap:1rem;padding:14px 20px;border-top:1px solid var(--line);align-items:start}
.trow:first-child{border-top:none}
.trow .d{font-family:var(--serif);font-style:italic;color:var(--accent-2);font-size:.95rem}
.trow .c b{display:block}
.trow .c span{color:var(--muted);font-size:.88rem}
.trow .s{font-size:.72rem;font-weight:700;text-align:center;border-radius:4px;padding:.15rem .4rem;align-self:center}
.s.done{color:var(--ok);background:var(--ok-bg)}
.s.now{color:#fff;background:var(--grad)}
.s.event{color:var(--accent-2);border:1px dashed var(--line-strong)}
.s.next{color:var(--muted);border:1px solid var(--line)}
.src{display:inline-block;margin-left:.4rem;font-size:.66rem;color:var(--faint);border:1px solid var(--line);border-radius:999px;padding:0 .45rem;vertical-align:middle}

/* tables */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:var(--panel)}
table{border-collapse:collapse;width:100%;min-width:620px;font-size:.92rem}
th,td{padding:.75rem 1rem;border-top:1px solid var(--line);text-align:left;vertical-align:top}
thead th{border-top:none;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
td:first-child{white-space:nowrap;font-weight:700}
td .sub{color:var(--muted)}

/* bars */
.bars{display:grid;gap:.55rem;max-width:720px}
.bar{display:grid;grid-template-columns:5.5rem 1fr 3rem;align-items:center;gap:.8rem;font-size:.86rem;color:var(--muted)}
.bar .track{height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.bar .fill{display:block;height:100%;background:var(--grad);border-radius:4px}
.bar .v{text-align:right;font-variant-numeric:tabular-nums}

.legend{display:flex;gap:.6rem;flex-wrap:wrap;margin:-1.5rem 0 1.5rem}
.note{color:var(--faint);font-size:.82rem;margin-top:.8rem}

/* footer */
footer{border-top:1px solid var(--line);padding:3rem 0 4rem;color:var(--faint);font-size:.85rem;text-align:center}
footer a{color:var(--muted)}
footer .fin{font-family:var(--serif);font-style:italic;letter-spacing:.3em;margin-top:1.4rem;color:var(--accent-2)}

/* motion */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:30}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .orb .ring.r2{animation:none}
  .card,.btn{transition:none}
}
html.nomotion .reveal{opacity:1;transform:none;transition:none}

/* responsive */
@media (max-width:1020px){
  .nav ul{display:none}
  .hero .wrap{grid-template-columns:1fr;padding-bottom:7rem}
  .orb{width:min(240px,60vw);grid-row:1}
  .rail{grid-template-columns:1fr 1fr}
  .loop{grid-template-columns:1fr}
  .loop .arrow{transform:rotate(90deg);justify-self:center}
}
@media (max-width:720px){
  .wrap{padding:0 16px}
  .chapters{display:none}
  .hero .wrap{padding-bottom:3.5rem}
  .chapter{padding:72px 0}
  .ch-head{grid-template-columns:1fr;gap:.4rem}
  .ch-num{font-size:2.6rem}
  .stats{grid-template-columns:1fr}
  .stat{border-left:none;border-top:1px solid var(--line);padding:1rem 0}
  .stat:first-child{border-top:none}
  .rail{grid-template-columns:1fr}
  .trow{grid-template-columns:1fr;gap:.3rem}
  .trow .s{justify-self:start}
}
@media print{.nav,.progress{display:none}.reveal{opacity:1;transform:none}}
.grid.g4{grid-template-columns:repeat(4,1fr)}
[id]{scroll-margin-top:72px}
@media (max-width:1020px){.grid.g4{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.grid.g4{grid-template-columns:1fr}}