@charset "UTF-8";
/* =========================================================
   エアラインスクール777
   色はFVのオーバーレイ（青 #0ea5e9 → ピンク #ec4899 → 黄 #fbbf24）から取得
   ========================================================= */
:root{
  --blue:#0ea5e9;
  --pink:#ec4899;
  --amber:#fbbf24;
  --violet:#8b7fd8;              /* 青とピンクの中間色 */
  --navy:#14254a;
  --text:#2b3550;
  --muted:#5f6880;
  --line:#e2e7f0;
  --soft:#f4f8fd;
  --white:#fff;
  --grad:linear-gradient(90deg,#3d9be8 0%,#9a82dc 50%,#ec6aa8 100%);
  --grad-num:linear-gradient(135deg,#7cb4ec 0%,#b49be4 50%,#ee96c2 100%);
  --grad-sky:linear-gradient(135deg,rgba(14,165,233,.42) 0%,rgba(236,72,153,.26) 55%,rgba(251,191,36,.14) 100%),linear-gradient(to top,rgba(255,255,255,.18),rgba(255,255,255,0) 40%);
  --photo-filter:brightness(1.12) saturate(1.15) contrast(.95);   /* 透明感を出す写真補正 */
  --serif:"Noto Serif JP","Yu Mincho",serif;
  --sans:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  --num:"Cormorant Garamond","Times New Roman",serif;
  --w:1080px;
  --sec:clamp(88px,11vw,140px);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{font-family:var(--sans);color:var(--text);background:#fff;line-height:1.85;letter-spacing:.04em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ol,ul{list-style:none}
button,input,textarea{font:inherit;color:inherit}
.container{width:min(100% - 48px,var(--w));margin-inline:auto}
.pc{display:inline}
@media (max-width:768px){.pc{display:none}}

/* ---------- 共通パーツ ---------- */
.em{color:var(--pink);font-weight:700}
.em-grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;min-width:220px;padding:1em 2.2em;border-radius:999px;font-weight:700;letter-spacing:.08em;border:0;cursor:pointer;transition:transform .25s,box-shadow .25s,opacity .25s}
.btn .arrow{transition:transform .25s}
.btn:hover .arrow{transform:translateX(4px)}
.btn-white{background:#fff;color:#3c63c9;box-shadow:0 10px 30px rgba(20,37,74,.18)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(20,37,74,.24)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(139,127,216,.35)}
.btn-grad:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(139,127,216,.45)}

/* セクション見出し：大きく細い番号＋見出し */
.sec{padding-block:var(--sec);position:relative}
.sec-head{display:flex;align-items:flex-start;gap:clamp(20px,3vw,36px);margin-bottom:clamp(36px,5vw,56px)}
.sec-num{font-family:var(--num);font-variant-numeric:lining-nums;font-weight:300;font-size:clamp(64px,8vw,100px);line-height:.85;background:var(--grad-num);-webkit-background-clip:text;background-clip:text;color:transparent;flex-shrink:0;letter-spacing:0}
.sec-label{font-size:12px;letter-spacing:.3em;color:#8a93a8;font-weight:500;margin-bottom:6px}
.sec-title{font-family:var(--serif);font-weight:600;font-size:clamp(28px,3.6vw,40px);line-height:1.35;color:var(--navy);letter-spacing:.06em}
.sec-sub{margin-top:10px;font-size:clamp(14px,1.5vw,16px);color:var(--muted)}

/* ---------- NAV ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.nav-inner{width:min(100% - 48px,1200px);margin-inline:auto;height:68px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{font-family:"Outfit",var(--sans);font-weight:900;font-size:26px;color:#fff;letter-spacing:2px;text-shadow:0 2px 8px rgba(0,0,0,.2)}
.nav-list{display:flex;gap:clamp(16px,3vw,36px);font-size:14px;color:#fff;font-weight:500}
.nav-list a{position:relative;padding-block:4px}
.nav-list a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .3s}
.nav-list a:hover::after{transform:scaleX(1);transform-origin:left}
.nav.is-scrolled{background:rgba(255,255,255,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
.nav.is-scrolled .nav-logo{text-shadow:none;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav.is-scrolled .nav-list{color:var(--navy)}
@media (max-width:560px){
  .nav-inner{height:56px;width:calc(100% - 32px)}
  .nav-logo{font-size:20px}
  .nav-list{gap:14px;font-size:12px}
}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100vh;min-height:100svh;display:grid;place-items:center;text-align:center;color:#fff;overflow:hidden;background:#7fb6ea}
.hero::before{content:"";position:absolute;inset:0;z-index:0;background:url(../img/1.jpg) center/cover no-repeat;filter:var(--photo-filter)}
#hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.hero-overlay{position:absolute;inset:0;z-index:1;background:var(--grad-sky)}
.hero-content{position:relative;z-index:3;padding:96px 20px 120px}
.hero-pill{display:inline-block;padding:.55em 1.8em;border:1px solid rgba(255,255,255,.6);border-radius:999px;background:rgba(255,255,255,.18);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);font-size:clamp(12px,1.3vw,15px);letter-spacing:.12em;margin-bottom:clamp(20px,3vw,32px)}
.hero-title{display:flex;width:fit-content;margin-inline:auto;flex-direction:column;align-items:stretch;line-height:1.15}
.hero-title-ja{font-family:"Outfit","Noto Sans JP",sans-serif;font-weight:300;font-size:clamp(28px,8vw,80px);white-space:nowrap;letter-spacing:.04em;text-shadow:0 2px 18px rgba(20,37,74,.35)}
.hero-title-num{display:block;text-align:center;font-family:"Outfit",var(--sans);font-weight:300;font-size:clamp(64px,12vw,120px);line-height:1.05;letter-spacing:8px;padding-left:8px;color:#fff;text-shadow:0 2px 18px rgba(20,37,74,.35)}
.hero-ruby{text-shadow:0 1px 10px rgba(20,37,74,.35);font-size:clamp(14px,1.8vw,20px);letter-spacing:.2em;margin:clamp(8px,1.4vw,16px) 0 clamp(28px,4vw,44px)}
.hero-scroll{position:absolute;z-index:3;left:50%;bottom:28px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;letter-spacing:.3em;color:rgba(255,255,255,.85)}
.hero-scroll i{width:14px;height:14px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);animation:bob 2s ease-in-out infinite}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 6px}}

/* ---------- 01 ABOUT ---------- */
.sec-about{overflow:hidden}
.sec-about::after{content:"";position:absolute;right:0;top:0;width:min(68%,1000px);height:100%;background:url(../img/bg_about.jpg) 100% 0/auto 125% no-repeat;opacity:.85;-webkit-mask-image:linear-gradient(to left,#000 35%,transparent 95%),linear-gradient(to top,transparent 0%,#000 18%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to left,#000 35%,transparent 95%),linear-gradient(to top,transparent 0%,#000 18%);mask-composite:intersect;pointer-events:none}
.about-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,6vw,80px);align-items:start}
.about-side{margin-top:clamp(0px,1vw,12px);margin-bottom:clamp(140px,16vw,220px)}
.about-lead{font-family:var(--serif);font-weight:600;font-size:clamp(20px,2.4vw,28px);line-height:1.6;color:var(--navy);margin-bottom:20px}
.about-text{font-size:15px;color:var(--muted);max-width:34em}
.about-side{padding:28px clamp(24px,3vw,36px);border-left:1px solid #c9d3e6;background:rgba(255,255,255,.72);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;color:#fff;background:var(--grad);padding:.35em 1em;border-radius:4px;margin-bottom:18px}
.side-title{font-weight:700;font-size:18px;line-height:1.6;color:var(--navy)}
.grad-bar{display:block;width:28px;height:2px;background:var(--grad);margin:16px 0}
.side-text{font-size:14px;color:var(--muted)}

/* ---------- 02 REASON ---------- */
.sec-reason{background:none}
.reason-list{background:rgba(255,255,255,.85);border-radius:12px;padding:8px clamp(12px,2.5vw,32px);box-shadow:0 16px 40px rgba(20,37,74,.06)}
.reason-item:last-child{border-bottom:0}
.reason-item{display:grid;grid-template-columns:96px minmax(0,1fr) minmax(0,1.2fr);align-items:center;gap:0 32px;padding:clamp(18px,2.4vw,26px) clamp(8px,1.5vw,16px);border-bottom:1px solid var(--line)}
.reason-num{font-family:var(--num);font-variant-numeric:lining-nums;font-weight:300;font-size:clamp(44px,5vw,56px);line-height:1;background:var(--grad-num);-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}
.reason-title{font-family:var(--serif);font-weight:600;font-size:clamp(16px,1.7vw,19px);color:var(--navy);line-height:1.6}
.reason-text{font-size:14px;color:var(--muted);padding-left:32px;border-left:1px solid #c9d3e6;line-height:1.85}

/* ---------- 03 PROGRAM ---------- */
.sec-program{background:none}
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(16px,2vw,24px)}
.program-card{display:flex;flex-direction:column;filter:drop-shadow(0 12px 18px rgba(20,37,74,.07))}
/* 白背景は写真より下だけ（DAYラベルの矢印まわりは透明） */
.program-card .program-title,.program-card .program-text{padding-inline:18px;background:#fff}
.program-card .program-title{margin:0;padding-top:16px;padding-bottom:8px}
.program-card .program-text{flex:1;padding-bottom:22px;border-radius:0 0 10px 10px}
.day-tag{position:relative;align-self:stretch;padding:.45em 1em;margin-right:14px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;letter-spacing:.08em;line-height:1.4}
.day-tag::after{content:"";position:absolute;top:0;right:-14px;width:14px;height:100%;background:#ec6aa8;clip-path:polygon(0 0,100% 50%,0 100%)}
.program-card img{width:100%;aspect-ratio:2/1;object-fit:cover}
.program-title{margin:16px 0 8px;font-weight:700;font-size:16px;line-height:1.55;color:var(--navy)}
.program-text{font-size:14px;color:var(--muted);line-height:1.8}
.note{margin-top:32px;font-size:13px;color:#8a93a8}

/* ---------- 04 CONTACT ---------- */
.sec-contact{overflow:hidden;background:none}
/* REASON〜TERMS：1枚の背景で途切れずに色が移り変わる */
.flow{position:relative;background:
  radial-gradient(ellipse 55% 11% at 0% 9%,rgba(14,165,233,.14),transparent 70%),
  radial-gradient(ellipse 50% 11% at 100% 27%,rgba(236,72,153,.10),transparent 70%),
  radial-gradient(ellipse 55% 11% at 0% 46%,rgba(14,165,233,.12),transparent 70%),
  radial-gradient(ellipse 60% 12% at 100% 68%,rgba(236,72,153,.13),transparent 70%),
  radial-gradient(ellipse 55% 11% at 0% 90%,rgba(14,165,233,.11),transparent 70%),
  linear-gradient(180deg,#ffffff 0%,#f5f9ff 8%,#f9f6fe 26%,#f3f8fd 45%,#f5f1fc 60%,#fcf0f6 76%,#f6f3fd 90%,#eff5fd 100%)}
.sec-contact::before{content:"";position:absolute;left:0;bottom:0;width:min(56%,820px);height:72%;background:url(../img/bg_contact.jpg) 0 100%/cover no-repeat;opacity:.75;-webkit-mask-image:linear-gradient(to right,#000 30%,transparent 100%),linear-gradient(to top,transparent 0%,#000 16%,#000 45%,transparent 100%);-webkit-mask-composite:source-in;mask-image:linear-gradient(to right,#000 30%,transparent 100%),linear-gradient(to top,transparent 0%,#000 16%,#000 45%,transparent 100%);mask-composite:intersect;pointer-events:none}
.contact-grid{position:relative;z-index:1;display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:start}
.contact-lead{font-family:var(--serif);font-weight:600;font-size:clamp(18px,2vw,22px);line-height:1.7;color:var(--navy);margin-bottom:18px}
.contact-text{font-size:14px;color:var(--muted)}
.contact-mail{margin-top:16px;font-size:14px;color:var(--muted)}
.contact-mail a{color:#3c63c9;text-decoration:underline;text-underline-offset:3px}

.form{background:#fff;border-radius:6px;padding:clamp(24px,3.5vw,44px);box-shadow:0 20px 50px rgba(20,37,74,.08)}
.f-row{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:center;gap:8px 20px;margin-bottom:14px}
.f-row-top{align-items:start}
.f-row-top .f-label{padding-top:10px}
.f-label{font-size:13px;font-weight:700;color:var(--navy);line-height:1.5;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.req{font-style:normal;font-size:10px;font-weight:700;color:#fff;background:var(--pink);padding:.1em .6em;border-radius:3px;letter-spacing:.05em}
.form input[type=text],.form input[type=tel],.form input[type=date],.form input[type=number],.form textarea{width:100%;border:1px solid #d6dce8;border-radius:4px;padding:.65em .9em;font-size:15px;background:#fff;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form textarea:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(139,127,216,.18)}
.form ::placeholder{color:#b3bacb}
.f-split{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.f-radio{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px}
.f-radio label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.f-radio input{accent-color:var(--violet);width:16px;height:16px}
.form .btn{display:flex;margin:28px auto 0;min-width:240px}
.form .btn:disabled{opacity:.6;cursor:default;transform:none}
.form-status{margin-top:14px;text-align:center;font-size:14px;font-weight:700;min-height:1em}
.form-status.is-ok{color:#0f9b6c}
.form-status.is-ng{color:#d23c5a}

/* ---------- 05 TERMS ---------- */
.terms-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,5vw,72px);align-items:start}
.terms-grid .sec-head{margin-bottom:0}
.terms-box{max-height:280px;overflow-y:auto;padding:28px 32px;border:1px solid var(--line);border-radius:6px;background:#fff;box-shadow:0 10px 30px rgba(20,37,74,.05);font-size:13px;color:var(--muted)}
.terms-box ol{list-style:decimal;padding-left:1.4em}
.terms-box li+li{margin-top:.6em}
.terms-box:focus-visible{outline:2px solid var(--violet);outline-offset:2px}

/* ---------- FOOTER ---------- */
.footer{position:relative;color:#fff;background:#7fb6ea;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:url(../img/1.jpg) center 30%/cover no-repeat;filter:var(--photo-filter)}
.footer::after{content:"";position:absolute;inset:0;background:var(--grad-sky)}
.footer>*{z-index:1}
.footer-inner,.footer a,.footer-copy,.footer-logo,.tokusho-toggle{text-shadow:0 1px 8px rgba(20,37,74,.35)}
.footer-inner{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-block:44px}
.footer-logo{font-family:"Outfit",var(--sans);font-weight:900;font-size:30px;letter-spacing:2px;line-height:1}
.footer-copy{margin-top:10px;font-size:12px;opacity:.9}
.footer-links{display:flex;gap:0;font-size:13px}
.footer-links li+li::before{content:"|";margin-inline:14px;opacity:.6}
.footer-links a:hover,.tokusho-toggle:hover{text-decoration:underline;text-underline-offset:3px}

/* 料金 */
.price-box{margin-top:28px;padding:18px 20px;border-radius:8px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 24px rgba(20,37,74,.05)}
.price-box canvas{display:block;width:100%}
/* 特商法 */
.tokusho-toggle{background:none;border:0;color:inherit;font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.tokusho{position:relative;z-index:1;max-height:0;overflow:hidden;transition:max-height .5s ease}
.tokusho.open{max-height:600px;padding-bottom:36px}
.tokusho-panel{max-width:600px;margin-left:auto;padding:16px 20px;background:rgba(20,37,74,.35);border-radius:8px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.tokusho canvas{display:block;width:100%}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .9s ease,transform .9s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-scroll i{animation:none}
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1024px){
  .program-grid{grid-template-columns:repeat(2,1fr);gap:36px 24px}
}
@media (max-width:900px){
  .about-grid,.contact-grid,.terms-grid{grid-template-columns:1fr}
  .sec-about::after{top:auto;bottom:0;width:100%;height:50%;opacity:.6;-webkit-mask-image:linear-gradient(to top,#000 40%,transparent 100%);mask-image:linear-gradient(to top,#000 40%,transparent 100%)}
  .about-side{max-width:420px}
  .reason-item{grid-template-columns:72px minmax(0,1fr);gap:6px 20px;align-items:start}
  .reason-num{grid-row:span 2;text-align:left}
  .reason-text{grid-column:2;padding-left:0;border-left:0}
  .sec-contact::before{width:100%;height:28%;opacity:.5}
  .terms-grid .sec-head{margin-bottom:8px}
}
@media (max-width:560px){
  .container{width:calc(100% - 40px)}
  .sec-head{gap:16px}
  .sec-num{font-size:56px}
  .program-grid{grid-template-columns:1fr;gap:40px}
  .reason-item{grid-template-columns:52px minmax(0,1fr);gap:4px 14px;padding-inline:0}
  .reason-num{font-size:40px}
  .f-row{grid-template-columns:1fr;gap:6px}
  .f-row-top .f-label{padding-top:0}
  .form{padding:24px 18px}
  .terms-box{padding:20px;max-height:320px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-links{flex-direction:column;gap:6px}
  .footer-links li+li::before{display:none}
  .tokusho-panel{padding:12px 14px}
  .btn{min-width:200px}
}

.sec-terms{background:linear-gradient(180deg,#fcf0f6 0%,#fff 35%)}