/*
Theme Name: Flight Survey
Theme URI: https://flight-survey.com/
Author: Flight Survey Co., Ltd.
Description: 株式会社フライトサーベイ 公式サイト用テーマ（2026年 刷新版）
Version: 1.0.1
Requires at least: 5.4
Requires PHP: 7.3
Text Domain: flightsurvey
*/
:root{
  --paper:#F5F4F0; --paper-2:#ECEAE4; --white:#FFFFFF;
  --ink:#121C26; --ink-2:#3A4652; --mute:#7A848D; --line:#DDD9D0;
  --accent:#1D9FD8; --accent-ink:#0B6E9C; --deep:#0E1820;
  --tbc:#E8A23A;
  --max:1200px; --gutter:clamp(16px,4vw,48px);
  --jp:"Zen Kaku Gothic New",system-ui,sans-serif; --en:"Inter",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:var(--jp);font-size:16px;line-height:1.9;letter-spacing:.04em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.en{font-family:var(--en);letter-spacing:.14em;text-transform:uppercase;font-size:12px;font-weight:500}
.label{display:flex;align-items:center;gap:12px;color:var(--accent-ink)}
.label::before{content:"";width:28px;height:1px;background:currentColor}
h2.sec{font-size:clamp(26px,3.4vw,40px);font-weight:500;line-height:1.5;letter-spacing:.06em;margin:18px 0 0}
.lead{color:var(--ink-2);max-width:40em;margin-top:24px}
section{padding:clamp(88px,12vw,160px) 0}

/* ===== header ===== */
.hd{position:fixed;inset:0 0 auto;z-index:50;transition:background .4s,box-shadow .4s}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:76px;max-width:none}
.hd .logo img{height:34px;width:auto;filter:brightness(0) invert(1);transition:filter .4s}
.hd nav{display:flex;align-items:center;gap:clamp(18px,2.4vw,36px);font-size:14px;color:#fff}
.hd nav a.m{position:relative;padding:4px 0}
.hd nav a.m::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:currentColor;transition:right .3s}
.hd nav a.m:hover::after{right:0}
.tel-btn{display:inline-flex;align-items:center;gap:10px;border:1px solid rgba(255,255,255,.6);padding:9px 18px;font-family:var(--en);font-size:14px;letter-spacing:.08em;transition:.3s}
.tel-btn:hover{background:#fff;color:var(--ink)}
.hd.solid{background:rgba(245,244,240,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.hd.solid .logo img{filter:none}
.hd.solid nav{color:var(--ink)}
.hd.solid .tel-btn{border-color:var(--ink)}
.hd.solid .tel-btn:hover{background:var(--ink);color:#fff}
.burger{display:none;background:none;border:0;width:40px;height:40px;position:relative;cursor:pointer}
.burger span{position:absolute;left:8px;right:8px;height:1.5px;background:#fff;transition:.3s}
.burger span:nth-child(1){top:15px}.burger span:nth-child(2){top:24px}
.hd.solid .burger span{background:var(--ink)}

/* ===== hero ===== */
.hero{position:relative;height:100svh;min-height:620px;color:#fff;overflow:hidden;background:var(--deep)}
.hero video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.92}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,14,20,.78) 0%,rgba(8,14,20,.35) 55%,rgba(8,14,20,.1) 100%),linear-gradient(0deg,rgba(8,14,20,.6),transparent 40%)}
.hero .in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:clamp(64px,11vh,120px)}
.hero .en{color:rgba(255,255,255,.75)}
.hero h1{font-size:clamp(32px,5.4vw,68px);font-weight:500;line-height:1.42;letter-spacing:.06em;margin:22px 0 28px}
.hero h1 .ac{color:#7FD3F5}
.hero p{max-width:34em;color:rgba(255,255,255,.86);font-size:15px}
.hero .cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.btn{display:inline-flex;align-items:center;gap:12px;padding:16px 28px;font-size:15px;transition:.3s;cursor:pointer;border:0;font-family:inherit;letter-spacing:.06em}
.btn-pri{background:var(--accent);color:#fff}
.btn-pri:hover{background:#fff;color:var(--ink)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.play{width:26px;height:26px;border-radius:50%;border:1px solid currentColor;display:grid;place-items:center}
.play::before{content:"";border-left:7px solid currentColor;border-top:5px solid transparent;border-bottom:5px solid transparent;margin-left:2px}
.hero .cap{position:absolute;right:var(--gutter);bottom:28px;z-index:2;font-size:11px;color:rgba(255,255,255,.55);writing-mode:vertical-rl;letter-spacing:.2em}
.scroll{position:absolute;left:50%;bottom:0;z-index:2;width:1px;height:64px;background:rgba(255,255,255,.25);overflow:hidden}
.scroll::after{content:"";position:absolute;left:0;top:-64px;width:1px;height:64px;background:#fff;animation:sc 2.2s infinite}
@keyframes sc{to{top:64px}}

/* ===== intro ===== */
.intro .grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(40px,7vw,110px);align-items:end}
.intro .big{font-size:clamp(22px,2.6vw,30px);line-height:1.9;font-weight:500;letter-spacing:.06em}
.intro .big em{font-style:normal;background:linear-gradient(transparent 62%,rgba(29,159,216,.22) 0)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:72px}
.stats div{padding:28px 0 0;border-right:1px solid var(--line);padding-right:20px}
.stats div+div{padding-left:24px}
.stats div:last-child{border-right:0}
.stats b{display:block;font-family:var(--en);font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--accent-ink)}
.stats span{display:block;font-size:15px;margin-top:8px}

/* ===== flow (sticky image swap) ===== */
.flow{background:var(--white)}
.flow .grid{display:grid;grid-template-columns:1.15fr 1fr;gap:clamp(32px,6vw,90px);margin-top:64px}
.flow .stick{position:sticky;top:110px;height:min(62vh,560px);overflow:hidden;background:var(--deep)}
.flow .stick img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.04);transition:opacity .8s,transform 1.4s}
.flow .stick img.on{opacity:1;transform:scale(1)}
.flow .stick .tag{position:absolute;left:18px;bottom:16px;z-index:2;font-size:11px;color:#fff;background:rgba(10,16,22,.6);padding:4px 10px;letter-spacing:.1em}
.step{min-height:62vh;display:flex;flex-direction:column;justify-content:center;border-top:1px solid var(--line);padding:40px 0;opacity:.35;transition:opacity .5s}
.step.on{opacity:1}
.step .no{font-family:var(--en);font-size:56px;font-weight:400;color:var(--accent);line-height:1;letter-spacing:0}
.step h3{font-size:24px;font-weight:500;margin:18px 0 12px;letter-spacing:.08em}
.step p{color:var(--ink-2);font-size:15px}
.step .out{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-size:12px;border:1px solid var(--line);padding:3px 12px;color:var(--ink-2);background:var(--paper)}
.step .mimg{display:none}

/* ===== services ===== */
.svc .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:64px}
.card{background:var(--paper);padding:clamp(28px,3vw,44px);display:flex;flex-direction:column}
.card .ph{aspect-ratio:16/10;overflow:hidden;margin:-1px -1px 28px;background:var(--deep)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform 1s}
.card:hover .ph img{transform:scale(1.05)}
.card .en{color:var(--accent-ink)}
.card h3{font-size:26px;font-weight:500;letter-spacing:.1em;margin:6px 0 14px}
.card p{font-size:15px;color:var(--ink-2)}
.card dl{margin-top:24px;font-size:14px}
.card dt{font-size:12px;color:var(--mute);letter-spacing:.12em;margin-top:18px}
.card dd ul{list-style:none;margin-top:6px}
.card dd li{padding:7px 0;border-bottom:1px dashed var(--line)}
.card .out{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}

/* ===== case ===== */
.case{background:var(--deep);color:#fff}
.case .label{color:#7FD3F5}
.case .lead{color:rgba(255,255,255,.75)}
.feature{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(32px,5vw,72px);margin-top:64px;align-items:start}
.vid{position:relative;aspect-ratio:16/9;cursor:pointer;overflow:hidden}
.vid img{width:100%;height:100%;object-fit:cover;transition:transform 1s,opacity .4s;opacity:.85}
.vid:hover img{transform:scale(1.03);opacity:1}
.vid .pl{position:absolute;inset:0;display:grid;place-items:center}
.vid .pl span{display:flex;align-items:center;gap:14px;background:rgba(10,16,22,.55);padding:14px 24px;font-size:14px;backdrop-filter:blur(6px)}
.feature h3{font-size:24px;font-weight:500;line-height:1.6;letter-spacing:.06em}
.facts{margin-top:28px;border-top:1px solid rgba(255,255,255,.18)}
.facts div{display:grid;grid-template-columns:6.5em 1fr;gap:16px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.18);font-size:14px}
.facts dt{color:rgba(255,255,255,.55)}
.gal{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-top:40px}
.gal figure{position:relative;overflow:hidden;aspect-ratio:4/3}
.gal figure:nth-child(1){grid-column:span 2}.gal figure:nth-child(2){grid-column:span 2}.gal figure:nth-child(3){grid-column:span 2}
.gal figure:nth-child(n+4){grid-column:span 2}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.gal figure:hover img{transform:scale(1.05)}
.gal figcaption{position:absolute;left:0;bottom:0;right:0;padding:24px 14px 10px;font-size:12px;background:linear-gradient(transparent,rgba(0,0,0,.7));letter-spacing:.08em}
.others{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);margin-top:96px;border:1px solid rgba(255,255,255,.14)}
.oc{background:var(--deep);padding:32px 26px 30px}
.oc .num{font-family:var(--en);font-size:40px;font-weight:400;letter-spacing:0;line-height:1.1}
.oc .num small{font-size:16px;margin-left:4px;font-family:var(--jp)}
.oc h4{font-size:16px;font-weight:500;margin:16px 0 8px;letter-spacing:.06em}
.oc p{font-size:13px;color:rgba(255,255,255,.65);line-height:1.8}
.oc .kind{font-size:11px;color:#7FD3F5;letter-spacing:.14em}
.oc.private .num{font-size:22px;line-height:1.85;font-family:var(--jp);letter-spacing:.08em}
.others-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:14px}

/* ===== reasons ===== */
.reasons ol{list-style:none;margin-top:56px;counter-reset:r}
.reasons li{display:grid;grid-template-columns:120px 1fr 1.3fr;gap:clamp(20px,4vw,56px);padding:40px 0;border-top:1px solid var(--line);align-items:start}
.reasons li:last-child{border-bottom:1px solid var(--line)}
.reasons li::before{counter-increment:r;content:"0" counter(r);font-family:var(--en);font-size:15px;color:var(--accent-ink);letter-spacing:.14em;padding-top:6px}
.reasons h3{font-size:22px;font-weight:500;letter-spacing:.06em;line-height:1.6}
.reasons p{color:var(--ink-2);font-size:15px}

/* ===== R&D ===== */
.rd{background:var(--paper-2)}
.rd .head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap}
.rd .disc{font-size:13px;color:var(--ink-2);border-left:2px solid var(--accent);padding-left:14px;max-width:30em}
.rd .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.rcard{background:var(--white);display:flex;flex-direction:column}
.rcard .ill{aspect-ratio:16/10;background:#0F1A22;display:grid;place-items:center;overflow:hidden;position:relative}
.rcard .ill img{width:100%;height:100%;object-fit:cover}
.rcard .ill svg{width:70%;height:auto}
.rcard .bd{padding:28px 28px 32px}
.st{display:inline-block;font-size:11px;letter-spacing:.12em;padding:3px 10px;border:1px solid var(--accent-ink);color:var(--accent-ink)}
.st.demo{border-color:var(--tbc);color:#A0661A}
.rcard h3{font-size:19px;font-weight:500;margin:14px 0 10px;letter-spacing:.05em;line-height:1.6}
.rcard p{font-size:14px;color:var(--ink-2)}

/* ===== equipment ===== */
.eq .grid{display:grid;grid-template-columns:1fr 2fr;gap:clamp(32px,6vw,90px)}
.eq table{width:100%;border-collapse:collapse;font-size:14px}
.eq th,.eq td{text-align:left;padding:18px 0;border-bottom:1px solid var(--line);vertical-align:top;font-weight:400}
.eq th{width:8.5em;color:var(--mute);font-size:13px;letter-spacing:.1em}
.eq td{font-family:var(--en);letter-spacing:.04em}
.eq td small{font-family:var(--jp);color:var(--mute);display:block;font-size:12px;margin-top:4px}

/* ===== process ===== */
.proc{background:var(--white)}
.proc ol{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);margin-top:64px;position:relative}
.proc ol::before{content:"";position:absolute;left:0;right:0;top:9px;height:1px;background:var(--line)}
.proc li{position:relative;padding:44px 22px 0 0}
.proc li::before{content:"";position:absolute;left:0;top:4px;width:11px;height:11px;border-radius:50%;background:var(--white);border:1.5px solid var(--accent)}
.proc li:first-child::before{background:var(--accent)}
.proc .en{color:var(--accent-ink)}
.proc h3{font-size:17px;font-weight:500;margin:6px 0 8px;letter-spacing:.06em}
.proc p{font-size:13px;color:var(--ink-2);line-height:1.8}

/* ===== company + contact ===== */
.co .grid{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(32px,6vw,90px)}
.co table{width:100%;border-collapse:collapse;font-size:15px}
.co th,.co td{text-align:left;padding:20px 0;border-bottom:1px solid var(--line);font-weight:400;vertical-align:top}
.co th{width:9em;color:var(--mute);font-size:13px;letter-spacing:.1em}
.contact{position:relative;color:#fff;overflow:hidden;background:var(--deep)}
.contact .bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35}
.contact .in{position:relative;text-align:center;padding:clamp(96px,12vw,150px) 0}
.contact h2{font-size:clamp(24px,3vw,34px);font-weight:500;letter-spacing:.08em;line-height:1.7}
.contact p{color:rgba(255,255,255,.78);margin-top:16px;font-size:15px}
.tel-big{display:inline-flex;flex-direction:column;align-items:center;margin-top:44px;padding:28px 56px;border:1px solid rgba(255,255,255,.4);transition:.3s}
.tel-big:hover{background:rgba(255,255,255,.08)}
.tel-big b{font-family:var(--en);font-size:clamp(32px,4.6vw,52px);font-weight:400;letter-spacing:.06em;line-height:1.2}
.tel-big span{font-size:13px;color:rgba(255,255,255,.7);margin-top:8px}
.contact .sub{font-size:13px;color:rgba(255,255,255,.55);margin-top:28px}

/* ===== footer ===== */
footer{background:#0A1117;color:rgba(255,255,255,.6);padding:56px 0 40px;font-size:13px}
footer .wrap{display:flex;justify-content:space-between;align-items:end;gap:28px;flex-wrap:wrap}
footer img{height:30px;width:auto;filter:brightness(0) invert(1);opacity:.9}
footer nav{display:flex;gap:24px;flex-wrap:wrap}
footer small{display:block;margin-top:14px;font-family:var(--en);letter-spacing:.08em}

/* ===== modal ===== */
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,9,12,.92);display:none;place-items:center;padding:16px}
.modal.on{display:grid}
.modal video{width:min(1100px,100%);max-height:85vh;background:#000}
.modal button{position:absolute;top:18px;right:22px;background:none;border:0;color:#fff;font-size:30px;cursor:pointer;line-height:1}

/* ===== reveal ===== */
.rv{opacity:0;transform:translateY(28px);transition:opacity 1s,transform 1s}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}.scroll::after{animation:none}*{transition:none!important}}

/* ===== responsive ===== */
@media (max-width:960px){
  .hd nav .m,.hd nav .tel-btn{display:none}
  .burger{display:block}
  .hd.open{background:var(--paper)}
  .hd.open nav{position:fixed;top:76px;left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;align-items:flex-start;padding:24px var(--gutter);gap:4px;color:var(--ink)}
  .hd.open nav .m{display:block;font-size:20px;padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .hd.open nav .tel-btn{display:inline-flex;margin-top:24px;border-color:var(--ink)}
  .hd.open .logo img{filter:none}.hd.open .burger span{background:var(--ink)}
  .hd.open .burger span:nth-child(1){top:20px;transform:rotate(45deg)}.hd.open .burger span:nth-child(2){top:20px;transform:rotate(-45deg)}
  .intro .grid,.feature,.eq .grid,.co .grid{grid-template-columns:1fr}
  .flow .grid{grid-template-columns:1fr}
  .flow .stick{display:none}
  .step{min-height:0;opacity:1}
  .step .mimg{display:block;aspect-ratio:16/9;object-fit:cover;width:100%;margin-bottom:24px}
  .svc .cards,.rd .cards{grid-template-columns:1fr}
  .others{grid-template-columns:1fr 1fr}
  .reasons li{grid-template-columns:1fr;gap:10px}
  .proc ol{grid-template-columns:1fr;gap:0}
  .proc ol::before{left:5px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .proc li{padding:0 0 32px 36px}
  .gal{grid-template-columns:1fr 1fr}
  .gal figure:nth-child(n){grid-column:span 1}
  .hero .cap{display:none}
}
@media (max-width:560px){
  .others{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stats div{border-right:0;border-bottom:1px solid var(--line);padding:18px 0!important}
  .tel-big{padding:22px 24px}
  .hero .cta .btn{width:100%;justify-content:center}
  .hero h1{font-size:24px;letter-spacing:.04em}
}

/* ===== WordPress ===== */
body.admin-bar .hd{top:32px}
@media (max-width:782px){body.admin-bar .hd{top:46px}}
.tbc{border-bottom:0}
.page-main{padding:160px 0 120px}
.page-main .wrap{max-width:860px}
.page-main h1{font-size:clamp(26px,3.4vw,38px);font-weight:500;letter-spacing:.06em;margin-bottom:40px}
.entry{line-height:2}
.entry h2{font-size:22px;font-weight:500;margin:48px 0 16px}
.entry p,.entry ul,.entry ol{margin:0 0 1.4em}
.entry ul,.entry ol{padding-left:1.4em}
.entry a{color:var(--accent-ink);text-decoration:underline}
.entry img{height:auto}
.posts article{padding:28px 0;border-bottom:1px solid var(--line)}
.posts time{font-family:var(--en);font-size:13px;color:var(--mute)}
.posts h2{font-size:19px;font-weight:500;margin-top:6px}