/* ===========================================================
   AICY LP 共通スタイル（下書き）
   ページ全体の色は :root の変数を書き換えるだけで変わります。
   body に .theme-beginner / .theme-pro を付けると差し色が変わります。
   =========================================================== */

:root{
  --ink:#05070f;
  --ink-2:#0b1020;
  --paper:#f7f8fc;
  --text:#e8ecf6;
  --text-dim:#9fabc4;
  --line:rgba(255,255,255,.10);
  --card:rgba(255,255,255,.045);
  --card-strong:rgba(255,255,255,.075);
  --a1:#5eead4;   /* 差し色1 */
  --a2:#7c3aed;   /* 差し色2 */
  --a3:#38bdf8;   /* 差し色3 */
  --radius:20px;
  --max:1080px;
}
body.theme-beginner{ --a1:#fbbf24; --a2:#f43f5e; --a3:#fb923c; }
body.theme-pro{ --a1:#22d3ee; --a2:#2563eb; --a3:#a78bfa; }

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0; color:var(--text); background:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;
  font-size:16px; line-height:1.85; letter-spacing:.02em;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }

/* 背景の光（three.js が無くても成立する土台） */
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(60vw 60vw at 12% -8%, color-mix(in srgb, var(--a2) 42%, transparent), transparent 62%),
    radial-gradient(52vw 52vw at 92% 6%, color-mix(in srgb, var(--a3) 34%, transparent), transparent 60%),
    radial-gradient(70vw 70vw at 50% 108%, color-mix(in srgb, var(--a1) 22%, transparent), transparent 64%),
    linear-gradient(180deg,#05070f 0%,#080c1a 45%,#05070f 100%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; opacity:.35;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 20%,#000 0%,transparent 75%);
          mask-image:radial-gradient(70% 60% at 50% 20%,#000 0%,transparent 75%);
}

.wrap{ width:min(100% - 36px, var(--max)); margin-inline:auto; }
section{ padding:74px 0; position:relative; }
@media(max-width:600px){ section{ padding:54px 0; } }

/* ---- ヘッダー ---- */
.nav{
  position:sticky; top:0; z-index:50; backdrop-filter:blur(14px);
  background:rgba(5,7,15,.62); border-bottom:1px solid var(--line);
}
.nav .wrap{ display:flex; align-items:center; gap:14px; height:58px; }
.logo{ font-weight:800; font-size:20px; letter-spacing:.14em; text-decoration:none;
  background:linear-gradient(92deg,var(--a1),var(--a3) 45%,var(--a2));
  -webkit-background-clip:text; background-clip:text; color:transparent; }
.logo small{ display:block; font-size:9.5px; letter-spacing:.24em; color:var(--text-dim); -webkit-text-fill-color:var(--text-dim); margin-top:-6px; }
.nav .sp{ flex:1; }
.nav a.navlink{ color:var(--text-dim); text-decoration:none; font-size:13px; }
.nav a.navlink:hover{ color:var(--text); }
@media(max-width:640px){ .nav a.navlink{ display:none; } }

/* ---- ボタン ---- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:9px;
  padding:16px 28px; border-radius:999px; border:0; cursor:pointer;
  font-size:16px; font-weight:700; text-decoration:none; line-height:1.4;
  font-family:inherit; letter-spacing:.03em; text-align:center;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary{
  color:#05070f; background:linear-gradient(96deg,var(--a1),var(--a3) 52%,var(--a2));
  box-shadow:0 12px 34px -12px color-mix(in srgb, var(--a3) 80%, transparent);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 18px 44px -14px color-mix(in srgb, var(--a3) 90%, transparent); }
.btn-ghost{ color:var(--text); background:var(--card-strong); border:1px solid var(--line); }
.btn-ghost:hover{ background:rgba(255,255,255,.12); }
.btn-lg{ padding:19px 36px; font-size:17px; }
.btn-block{ width:100%; }
.btns{ display:flex; gap:12px; flex-wrap:wrap; }
@media(max-width:600px){ .btns{ flex-direction:column; } .btns .btn{ width:100%; } }

/* ---- 見出し ---- */
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:11.5px; font-weight:700;
  letter-spacing:.2em; color:var(--a1); text-transform:uppercase; margin:0 0 14px;
}
.eyebrow::before{ content:""; width:26px; height:1px; background:currentColor; }
h1{ font-size:clamp(31px,7.4vw,58px); line-height:1.28; margin:0 0 20px; font-weight:800; letter-spacing:.01em; }
h2{ font-size:clamp(24px,4.6vw,36px); line-height:1.4; margin:0 0 16px; font-weight:800; }
h3{ font-size:18px; margin:0 0 8px; font-weight:700; }
.lead{ font-size:clamp(15px,2.6vw,18px); color:var(--text-dim); margin:0 0 28px; }
.grad{ background:linear-gradient(96deg,var(--a1),var(--a3) 48%,var(--a2));
  -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ---- ヒーロー ---- */
.hero{ position:relative; padding:82px 0 68px; overflow:hidden; }
#hero-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity:.85; }
.hero .wrap{ position:relative; z-index:1; }
.hero-note{ font-size:12.5px; color:var(--text-dim); margin-top:18px; }
.pill{
  display:inline-flex; align-items:center; gap:8px; padding:7px 15px; border-radius:999px;
  border:1px solid var(--line); background:var(--card-strong); font-size:12.5px; color:var(--text-dim);
  margin-bottom:20px;
}
.pill .dot{ width:7px; height:7px; border-radius:50%; background:var(--a1); box-shadow:0 0 0 4px color-mix(in srgb,var(--a1) 25%,transparent); }

/* ---- カード ---- */
.grid{ display:grid; gap:16px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
@media(max-width:820px){ .grid-3,.grid-2{ grid-template-columns:1fr; } }
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 22px; backdrop-filter:blur(8px); position:relative; overflow:hidden;
}
.card .num{ font-size:12px; font-weight:800; letter-spacing:.18em; color:var(--a1); }
.card p{ margin:8px 0 0; color:var(--text-dim); font-size:14.5px; }
.card .ic{ width:44px; height:44px; margin-bottom:14px; }
.card-hi{ background:var(--card-strong); border-color:color-mix(in srgb,var(--a1) 30%,var(--line)); }

/* ---- 料金 ---- */
.price-box{
  border:1px solid color-mix(in srgb,var(--a1) 26%,var(--line)); border-radius:26px; padding:32px 24px;
  background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.02));
  text-align:center;
}
.price{ font-size:clamp(44px,11vw,68px); font-weight:800; line-height:1; letter-spacing:-.02em; }
.price .yen{ font-size:.42em; font-weight:700; }
.price .per{ font-size:.24em; color:var(--text-dim); font-weight:600; }
.price-note{ color:var(--text-dim); font-size:13.5px; margin:12px 0 24px; }
.calc{ text-align:left; margin:26px auto 0; max-width:520px; border-top:1px dashed var(--line); padding-top:22px; }
.calc-row{ display:flex; justify-content:space-between; gap:12px; font-size:14.5px; padding:7px 0; color:var(--text-dim); }
.calc-row strong{ color:var(--text); font-weight:700; }
.calc-total{ border-top:1px solid var(--line); margin-top:10px; padding-top:12px; font-size:15.5px; color:var(--text); }
.calc-total b{ color:var(--a1); }

/* ---- FAQ ---- */
details.faq{ border:1px solid var(--line); border-radius:16px; background:var(--card); margin-bottom:10px; overflow:hidden; }
details.faq summary{ cursor:pointer; list-style:none; padding:18px 50px 18px 20px; font-weight:700; font-size:15.5px; position:relative; }
details.faq summary::-webkit-details-marker{ display:none; }
details.faq summary::after{ content:"＋"; position:absolute; right:20px; top:17px; color:var(--a1); font-weight:700; }
details.faq[open] summary::after{ content:"−"; }
details.faq .a{ padding:0 20px 20px; color:var(--text-dim); font-size:14.5px; }

/* ---- 診断への導線 ---- */
.quiz-cta{
  border-radius:26px; padding:40px 26px; text-align:center; position:relative; overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(135deg,color-mix(in srgb,var(--a2) 34%,transparent),color-mix(in srgb,var(--a3) 22%,transparent));
}
.quiz-cta h2{ margin-bottom:10px; }

/* ---- 画像の差し替え枠 ---- */
.ph{
  border:1px dashed color-mix(in srgb,var(--a1) 40%,var(--line)); border-radius:var(--radius);
  min-height:190px; display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:6px; color:var(--text-dim); font-size:12.5px; text-align:center; padding:22px;
  background:linear-gradient(135deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
}
.ph b{ color:var(--text); font-size:14px; }

/* ---- リスト ---- */
.checks{ list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.checks li{ display:flex; gap:12px; align-items:flex-start; font-size:15px; }
.checks li::before{
  content:"✓"; flex:0 0 auto; width:23px; height:23px; border-radius:50%; margin-top:3px;
  display:grid; place-items:center; font-size:12px; font-weight:800; color:#05070f;
  background:linear-gradient(120deg,var(--a1),var(--a3));
}

/* ---- フッター ---- */
footer{ border-top:1px solid var(--line); padding:40px 0 60px; background:rgba(0,0,0,.35); }
footer .links{ display:flex; flex-wrap:wrap; gap:8px 20px; margin:16px 0 18px; }
footer .links a{ color:var(--text-dim); font-size:13.5px; text-decoration:none; border-bottom:1px solid var(--line); padding-bottom:2px; }
footer .links a:hover{ color:var(--text); }
footer .small{ color:#6b7794; font-size:12px; line-height:1.9; }

/* ---- 準備中トースト ---- */
#toast{
  position:fixed; left:50%; bottom:28px; transform:translate(-50%,28px);
  background:#11172b; color:var(--text); border:1px solid var(--line); border-radius:14px;
  padding:14px 20px; font-size:14px; z-index:200; opacity:0; pointer-events:none;
  transition:opacity .22s ease, transform .22s ease; max-width:calc(100% - 32px); text-align:center;
  box-shadow:0 20px 50px -20px #000;
}
#toast.on{ opacity:1; transform:translate(-50%,0); }

/* ---- 追従CTA（スマホ） ---- */
.sticky-cta{
  position:fixed; left:0; right:0; bottom:0; z-index:60; display:none;
  padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:rgba(5,7,15,.86); backdrop-filter:blur(12px); border-top:1px solid var(--line);
}
@media(max-width:720px){ .sticky-cta{ display:block; } body{ padding-bottom:76px; } }

/* ---- 診断ページ ---- */
.quiz{ max-width:640px; margin-inline:auto; }
.qbar{ height:5px; border-radius:999px; background:rgba(255,255,255,.10); overflow:hidden; margin-bottom:26px; }
.qbar i{ display:block; height:100%; width:0; border-radius:999px; background:linear-gradient(90deg,var(--a1),var(--a3),var(--a2)); transition:width .35s ease; }
.qhead{ font-size:12px; letter-spacing:.18em; color:var(--a1); font-weight:700; margin-bottom:10px; }
.qtext{ font-size:clamp(20px,4.6vw,27px); font-weight:800; line-height:1.5; margin:0 0 24px; }
.opts{ display:grid; gap:11px; }
.opt{
  width:100%; text-align:left; cursor:pointer; font-family:inherit; font-size:15px; color:var(--text);
  background:var(--card); border:1px solid var(--line); border-radius:16px; padding:17px 18px;
  transition:border-color .16s ease, background .16s ease, transform .16s ease;
}
.opt:hover{ border-color:color-mix(in srgb,var(--a1) 55%,var(--line)); background:var(--card-strong); transform:translateY(-1px); }
.opt b{ display:block; font-weight:700; }
.opt span{ display:block; color:var(--text-dim); font-size:13px; margin-top:3px; }
.back{ background:none; border:0; color:var(--text-dim); font-family:inherit; font-size:13.5px; cursor:pointer; margin-top:20px; padding:6px 0; }
.result{ text-align:center; }
.result .badge{
  display:inline-block; padding:9px 20px; border-radius:999px; font-weight:800; font-size:13px; letter-spacing:.14em;
  color:#05070f; background:linear-gradient(96deg,var(--a1),var(--a3)); margin-bottom:18px;
}
.fade{ animation:fade .38s ease both; }
@keyframes fade{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:none;} }
@media(prefers-reduced-motion:reduce){ *{ animation:none !important; transition:none !important; } }

/* スマホでだけ改行したい箇所 */
.only-sp{ display:none; }
@media(max-width:600px){ .only-sp{ display:inline; } }

/* 料金の合計行はスマホでは縦に積む（横並びだと2行に割れて読みにくい） */
@media(max-width:520px){
  .calc-total{ flex-direction:column; align-items:flex-start; gap:2px; }
  .calc-total b{ font-size:17px; }
}

/* 日本語の折り返しを文節単位に（対応ブラウザのみ。非対応でも見た目は変わりません） */
h1,h2,.qtext{ word-break:auto-phrase; }