/* トークカルテ — プロ級SP-firstランディング */
:root{
  --bg:#0a0e18;--bg2:#0f1524;--panel:#151d30;--panel2:#111828;
  --ink:#eef2f9;--muted:#93a3bf;--line:#242f45;
  --pink:#ff4f88;--purple:#9a6bff;--accent:#ff4f88;
  --ok:#37c98e;--warn:#f2b34c;
  --grad:linear-gradient(100deg,#ff4f88,#9a6bff);
  --maxw:600px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",system-ui,sans-serif;line-height:1.8;overflow-x:hidden}
img,video{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ヘッダー */
.hd{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;backdrop-filter:blur(12px);background:rgba(10,14,24,.6);border-bottom:1px solid transparent;transition:border-color .3s}
.hd.scrolled{border-color:var(--line);background:rgba(10,14,24,.85)}
.hd .logo{font-weight:800;font-size:18px;letter-spacing:.02em}
.hd .logo .dot{color:var(--pink)}
.hd .login-link{font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--panel);cursor:pointer}

/* ヒーロー */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero .kb{position:absolute;inset:-8%;z-index:0;background-size:cover;background-position:center;transform-origin:center;animation:kenburns 26s ease-in-out infinite alternate;will-change:transform}
.hero canvas.particles{position:absolute;inset:0;z-index:1;width:100%;height:100%;pointer-events:none}
@keyframes kenburns{0%{transform:scale(1.04) translate(0,0)}100%{transform:scale(1.16) translate(-2%,-2%)}}
@media (prefers-reduced-motion:reduce){.hero .kb{animation:none}}
.hero .veil{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,14,24,.75) 0%,rgba(10,14,24,.5) 40%,rgba(10,14,24,.82) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:80px;padding-bottom:60px}
.hero .eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;color:#ffd0e0;padding:6px 14px;border:1px solid rgba(255,79,136,.4);border-radius:999px;background:rgba(255,79,136,.08);margin-bottom:20px}
.hero h1{font-size:clamp(32px,8.5vw,50px);font-weight:800;line-height:1.32;letter-spacing:.005em;text-wrap:balance}
.hero p.lead{margin-top:20px;font-size:clamp(15px,4vw,18px);color:#d3dcec;line-height:1.85}
.hero .hero-copy{width:100%;max-width:540px;height:auto;display:block;filter:drop-shadow(0 4px 20px rgba(0,0,0,.5))}
.hero .cta-row{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:16px 24px;border-radius:14px;font-weight:800;font-size:16px;cursor:pointer;border:none;text-decoration:none;transition:transform .15s,box-shadow .2s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 30px rgba(255,79,136,.35)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid var(--line)}
.hero .trust{margin-top:22px;font-size:12.5px;color:var(--muted)}

/* セクション共通 */
section.blk{padding:64px 0;position:relative}
.blk .kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--pink);margin-bottom:12px}
.blk h2{font-size:clamp(24px,6vw,32px);font-weight:800;line-height:1.4;text-wrap:balance}
.blk h2 .grad-text{display:inline}
.blk p.body{margin-top:16px;color:#c3cee0;font-size:15.5px}
.alt{background:linear-gradient(180deg,var(--bg),var(--bg2))}

/* 課題 */
.pain-img{border-radius:18px;margin-top:24px;border:1px solid var(--line);box-shadow:0 16px 50px rgba(0,0,0,.5)}
.pain-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.pain-list .item{display:flex;gap:12px;align-items:flex-start;background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:15px}
.pain-list .item .x{color:var(--pink);font-weight:800;flex-shrink:0}

/* 使い方ステップ */
.steps{counter-reset:s;margin-top:26px;display:flex;flex-direction:column;gap:16px}
.step{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:22px 20px 22px 66px}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:20px;width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:17px}
.step h3{font-size:17px;font-weight:800;margin-bottom:6px}
.step p{font-size:14.5px;color:#c3cee0}
.step .hl{color:#ffd0e0;font-weight:700}
.step .badge{display:inline-block;margin-top:10px;font-size:12px;font-weight:700;color:#a8f0d0;background:rgba(55,201,142,.12);border:1px solid rgba(55,201,142,.4);border-radius:999px;padding:4px 12px}

/* 機能グリッド */
.feat{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat .f{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:18px 16px}
.feat .f .ic{font-size:22px;margin-bottom:8px}
.feat .f h3{font-size:15px;font-weight:800;margin-bottom:5px}
.feat .f p{font-size:13px;color:var(--muted);line-height:1.65}

/* 業種 */
.verts{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.vert{padding:11px 18px;border-radius:999px;border:1px solid var(--line);background:var(--panel);font-weight:700;font-size:14.5px}
.vert .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 料金 */
.plans{margin-top:26px;display:flex;flex-direction:column;gap:14px}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:24px 22px;position:relative}
.plan.reco{border-color:var(--pink);box-shadow:0 12px 40px rgba(255,79,136,.2)}
.plan .tag{position:absolute;top:-11px;left:22px;font-size:11px;font-weight:800;background:var(--grad);color:#fff;padding:4px 12px;border-radius:999px;letter-spacing:.05em}
.plan .name{font-size:15px;font-weight:800;color:var(--muted)}
.plan .price{font-size:34px;font-weight:800;margin:6px 0}
.plan .price small{font-size:14px;color:var(--muted);font-weight:600}
.plan ul{list-style:none;margin-top:12px;display:flex;flex-direction:column;gap:8px}
.plan li{font-size:14px;padding-left:24px;position:relative;color:#cdd7e8}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}

/* CTA帯 */
.cta-band{margin:14px 0;text-align:center;background:linear-gradient(120deg,rgba(255,79,136,.14),rgba(154,107,255,.14));border:1px solid var(--line);border-radius:22px;padding:40px 24px}
.cta-band h2{font-size:clamp(22px,5.5vw,28px);font-weight:800}
.cta-band .btn{margin-top:22px;width:100%}

footer{padding:36px 20px 120px;text-align:center;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line);margin-top:0}
footer .fl{font-weight:800;font-size:16px;color:var(--ink);margin-bottom:8px}

/* 画像積み型LP */
.stack{display:block}
.stack img.sec-img{width:100%;height:auto;display:block}
.sec-cta-in-img{position:relative}
.sec-cta-in-img .tapbtn{position:absolute;left:8%;right:8%;bottom:6%;z-index:5}
/* 下部固定CTA(posimai式) */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(180deg,rgba(10,14,24,0),rgba(10,14,24,.92) 40%)}
.sticky-cta button{width:100%;max-width:600px;margin:0 auto;display:block;padding:16px;border:none;border-radius:14px;background:var(--grad);color:#fff;font-weight:800;font-size:17px;cursor:pointer;box-shadow:0 8px 30px rgba(255,79,136,.45);animation:ctapulse 2.4s ease-in-out infinite}
@keyframes ctapulse{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
@media (prefers-reduced-motion:reduce){.sticky-cta button{animation:none}}

/* ログイン & ツール モーダル */
.modal{position:fixed;inset:0;z-index:100;background:rgba(6,9,16,.82);backdrop-filter:blur(6px);display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal .box{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:28px 22px;width:100%;max-width:400px;position:relative}
.modal .box h3{font-size:20px;font-weight:800;text-align:center}
.modal .box p{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}
.modal .close{position:absolute;top:14px;right:16px;font-size:22px;color:var(--muted);cursor:pointer;background:none;border:none}
.auth-tabs{display:flex;gap:8px;margin:6px 0 18px;border-bottom:1px solid var(--line)}
.auth-tab{flex:1;padding:10px 0;background:none;border:none;border-bottom:2px solid transparent;color:var(--muted);font-weight:700;font-size:15px;cursor:pointer}
.auth-tab.active{color:var(--fg);border-bottom-color:var(--brand,#E11D74)}
.method-row{display:flex;gap:8px;margin:0 0 16px}
.method-btn{flex:1;padding:9px 0;border-radius:10px;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:13px;font-weight:700;cursor:pointer}
.method-btn.active{background:var(--brand,#E11D74);border-color:var(--brand,#E11D74);color:#fff}
.consent-body{margin-top:16px;display:flex;flex-direction:column;gap:14px}
.consent-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--fg);text-align:left;line-height:1.5;cursor:pointer}
.consent-row input[type=checkbox]{margin-top:3px;width:18px;height:18px;flex:0 0 auto;accent-color:var(--brand,#E11D74)}
.consent-row a{color:var(--brand,#E11D74);text-decoration:underline}
.consent-note{font-size:12px;color:var(--muted);text-align:left!important;margin-top:2px!important}
.field{margin-top:18px}
.field label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
input,select,textarea{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:var(--panel2);color:var(--ink);font-size:16px;font-family:inherit}
textarea{resize:vertical;min-height:90px}
.msg{margin-top:12px;font-size:13.5px;min-height:1.2em}
.msg.ng{color:#ff8fa8}.msg.ok{color:#8ff0c8}

/* ツール画面（フルスクリーン） */
.tool{position:fixed;inset:0;z-index:90;background:var(--bg);overflow-y:auto;display:none}
.tool.open{display:block}
.tool .tbar{position:sticky;top:0;background:rgba(10,14,24,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 16px;z-index:2}
.tool .tbar .t{font-weight:800}
.tool .tbar .out{font-size:13px;color:var(--muted);cursor:pointer;background:none;border:1px solid var(--line);padding:7px 14px;border-radius:999px}
.tool .body{max-width:600px;margin:0 auto;padding:16px 16px 80px}
.tabs{display:flex;gap:8px;margin:6px 0 14px}
.tab{flex:1;padding:11px;border-radius:11px;border:1px solid var(--line);background:var(--panel2);color:var(--muted);font-weight:700;text-align:center;cursor:pointer;font-size:14px}
.tab.active{background:var(--panel);color:var(--ink);border-color:var(--pink)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:14px}
.row{display:flex;gap:10px}.row>*{flex:1}
.go{width:100%;padding:15px;border:none;border-radius:13px;background:var(--grad);color:#fff;font-weight:800;font-size:16px;cursor:pointer;margin-top:12px}
.go:disabled{opacity:.5}
.spin{color:var(--muted);font-size:14px;padding:8px 0}
.draft{background:var(--panel2);border:1px solid var(--line);border-radius:13px;padding:15px;margin-top:12px}
.draft .tone{font-size:12px;font-weight:800;color:var(--pink);letter-spacing:.06em}
.draft .txt{margin:8px 0;font-size:15px;white-space:pre-wrap;line-height:1.75}
.copybtn{padding:9px 16px;border:1px solid var(--pink);background:transparent;color:var(--pink);border-radius:9px;font-weight:700;cursor:pointer;font-size:13px}
.copybtn.done{background:var(--ok);border-color:var(--ok);color:#04241a}
.flag{background:#3a2418;border:1px solid var(--warn);color:#ffd9a3;border-radius:11px;padding:12px;margin-top:12px;font-size:13.5px}
.changes{background:#132a1f;border:1px solid var(--ok);border-radius:11px;padding:12px;margin-top:12px;font-size:13.5px;color:#b6f0d4}
.hidden{display:none}
.gauge{flex:0 0 76px;width:76px;height:76px;border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative}
.gauge::after{content:"";position:absolute;inset:9px;border-radius:50%;background:var(--panel)}
.gauge span{position:relative;z-index:1;font-size:24px;font-weight:800;color:#fff}

/* スクロール出現アニメ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* ============ PC専用デザイン (≥900px) ============ */
@media (min-width:900px){
  body{background:
    radial-gradient(circle at 18% 12%,rgba(154,107,255,.16),transparent 42%),
    radial-gradient(circle at 82% 78%,rgba(255,79,136,.16),transparent 42%),
    var(--bg);}
  /* ヘッダー */
  .hd{padding:16px clamp(24px,5vw,80px)}
  .hd .logo{font-size:22px}
  .hd .login-link{font-size:15px;padding:11px 26px}
  /* ヒーロー: 全幅シネマティック・特大コピー・左寄せ */
  .hero{min-height:92vh}
  .hero .wrap{max-width:1080px;padding-left:clamp(24px,5vw,64px)}
  .hero .eyebrow{font-size:15px;padding:8px 20px}
  .hero h1{font-size:56px;line-height:1.32;letter-spacing:0}
  .hero .hero-copy{max-width:720px}
  .hero p.lead{font-size:21px;max-width:620px}
  .hero .cta-row{flex-direction:row;max-width:560px;margin-top:38px}
  .hero .cta-row .btn{flex:1}
  .hero .trust{font-size:14px}
  /* 本文は中央カラム(額装風) */
  .stack{max-width:600px;margin:0 auto;box-shadow:0 0 100px rgba(0,0,0,.55);position:relative;z-index:1}
  .blk{padding:70px 0}
  .blk .wrap{max-width:720px}
  .blk h2{font-size:36px}
  .feat{grid-template-columns:repeat(3,1fr)}
  .plans{flex-direction:row;align-items:stretch}
  .plan{flex:1}
  .verts{justify-content:center}
  /* 下部固定CTAは中央に幅制限 */
  .sticky-cta{padding:14px}
  .sticky-cta button{max-width:460px;font-size:18px}
  /* ツール/モーダルはPCで中央・広め */
  .tool .body{max-width:720px;padding:24px 24px 90px}
  .modal .box{max-width:440px}
  footer{padding-bottom:130px}
}
/* さらに広い画面: ヒーローの主張を強く */
@media (min-width:1280px){
  .hero h1{font-size:64px}
  .hero .wrap{margin:0 auto}
}