/* shindan — 旧サイトの <style> をそのまま移したもの */
  :root{
    /* ---- palette (light) ---- */
    --paper:#F6F4EE;
    --paper-2:#FBFAF6;
    --card:#FFFFFF;
    --ink:#1B2723;
    --ink-soft:#4C5A54;
    --line:#E3DFD3;
    --pine:#20463B;
    --pine-deep:#152722;
    --sage:#6E8C7D;
    --sage-soft:#E7EDE8;
    --honey:#C97A34;
    --honey-soft:#F4E5D2;
    --forest:#1C3D33;--forest-deep:#13241F;
    /* semantic (diagnostic health) */
    --good:#3E8E6E;
    --warn:#C89A2E;
    --crit:#C25A45;
    --good-bg:#E6F0EA;
    --warn-bg:#F5EDD5;
    --crit-bg:#F6E4DE;

    --shadow:0 1px 2px rgba(21,39,34,.05),0 12px 32px -18px rgba(21,39,34,.35);
    --shadow-lg:0 24px 60px -30px rgba(21,39,34,.55);
    --radius:18px;

    --serif:"Yu Mincho","YuMincho","Hiragino Mincho ProN","Hiragino Mincho Pro","Noto Serif JP",serif;
    --sans:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic","YuGothic","Noto Sans JP",Meiryo,system-ui,sans-serif;
  }
  @media (prefers-color-scheme:dark){
    :root{
      --paper:#141A18;
      --paper-2:#182320;
      --card:#1C2723;
      --ink:#ECEFEA;
      --ink-soft:#A9B6AF;
      --line:#2C3A34;
      --pine:#8CC0AB;
      --pine-deep:#B9E0CF;
      --sage:#7CA593;
      --sage-soft:#22322C;
      --honey:#E2A462;
      --honey-soft:#33281B;
      --good:#5FB88F;
      --warn:#D9B657;
      --crit:#E08672;
      --good-bg:#1B2E27;
      --warn-bg:#2E2917;
      --crit-bg:#331F1B;
      --shadow:0 1px 2px rgba(0,0,0,.3),0 14px 34px -20px rgba(0,0,0,.7);
      --shadow-lg:0 26px 66px -32px rgba(0,0,0,.85);
    }
  }
  :root[data-theme="dark"]{
    --paper:#141A18;--paper-2:#182320;--card:#1C2723;--ink:#ECEFEA;--ink-soft:#A9B6AF;
    --line:#2C3A34;--pine:#8CC0AB;--pine-deep:#B9E0CF;--sage:#7CA593;--sage-soft:#22322C;
    --honey:#E2A462;--honey-soft:#33281B;--good:#5FB88F;--warn:#D9B657;--crit:#E08672;
    --good-bg:#1B2E27;--warn-bg:#2E2917;--crit-bg:#331F1B;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 14px 34px -20px rgba(0,0,0,.7);
    --shadow-lg:0 26px 66px -32px rgba(0,0,0,.85);
  }
  :root[data-theme="light"]{
    --paper:#F6F4EE;--paper-2:#FBFAF6;--card:#FFFFFF;--ink:#1B2723;--ink-soft:#4C5A54;
    --line:#E3DFD3;--pine:#20463B;--pine-deep:#152722;--sage:#6E8C7D;--sage-soft:#E7EDE8;
    --honey:#C97A34;--honey-soft:#F4E5D2;--good:#3E8E6E;--warn:#C89A2E;--crit:#C25A45;
    --good-bg:#E6F0EA;--warn-bg:#F5EDD5;--crit-bg:#F6E4DE;
    --shadow:0 1px 2px rgba(21,39,34,.05),0 12px 32px -18px rgba(21,39,34,.35);
    --shadow-lg:0 24px 60px -30px rgba(21,39,34,.55);
  }

  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;background:var(--paper);color:var(--ink);
    font-family:var(--sans);line-height:1.8;font-size:15.5px;
    -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
    overflow-x:hidden;
  }
  @media(min-width:600px){body{font-size:16px;line-height:1.85}}
  .wrap{max-width:1080px;margin:0 auto;padding:0 18px}
  @media(min-width:600px){.wrap{padding:0 24px}}
  .narrow{max-width:780px}
  h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.35;text-wrap:balance;letter-spacing:.01em}
  p{margin:0}
  a{color:inherit}
  .eyebrow{
    font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
    color:var(--sage);font-weight:700;margin:0 0 14px
  }
  .btn{
    display:inline-flex;align-items:center;gap:.5em;border:none;cursor:pointer;
    font-family:var(--sans);font-weight:700;font-size:1rem;
    padding:16px 30px;border-radius:999px;transition:transform .18s ease,box-shadow .18s ease,background .18s;
    text-decoration:none;line-height:1;
  }
  .btn-primary{background:var(--honey);color:#fff}
  :root[data-theme="dark"] .btn-primary{color:#241708}
  @media (prefers-color-scheme:dark){.btn-primary{color:#241708}}
  :root[data-theme="light"] .btn-primary{color:#fff}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(201,122,52,.6)}
  .btn-ghost{background:transparent;color:var(--pine);border:1.5px solid var(--line)}
  .btn-ghost:hover{background:var(--sage-soft);transform:translateY(-2px)}
  .btn-lg{padding:16px 30px;font-size:1rem}
  @media(min-width:600px){.btn-lg{padding:19px 40px;font-size:1.06rem}}

  /* ---------- top bar ---------- */
  header.topbar{
    position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 86%,transparent);
    backdrop-filter:blur(12px);border-bottom:1px solid var(--line)
  }
  .topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:66px}
  .brand{font-family:var(--serif);font-weight:600;font-size:1.28rem;letter-spacing:.12em;color:var(--pine)}
  .brand small{display:block;font-family:var(--sans);font-size:.56rem;letter-spacing:.36em;color:var(--sage);margin-top:2px;font-weight:700}
  .topbar-actions{display:flex;align-items:center;gap:14px}
  .theme-toggle{
    background:transparent;border:1px solid var(--line);color:var(--ink-soft);
    width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:1rem;display:grid;place-items:center;
    transition:background .2s,transform .2s
  }
  .theme-toggle:hover{background:var(--sage-soft);transform:rotate(15deg)}
  .nav-cta{font-size:.9rem;padding:11px 22px;display:none}
  @media(min-width:621px){.nav-cta{display:inline-flex}}

  /* ---------- hero ---------- */
  .hero{position:relative;padding:clamp(56px,9vw,110px) 0 clamp(48px,7vw,88px);overflow:hidden}
  .hero-grain{position:absolute;inset:0;pointer-events:none;opacity:.5;z-index:0}
  .hero .wrap{position:relative;z-index:1}
  .hero-inner{display:grid;grid-template-columns:1fr;gap:38px;align-items:center}
  @media(min-width:861px){.hero-inner{grid-template-columns:1.15fr .85fr;gap:56px}}
  .hero h1{font-size:clamp(2.1rem,5.2vw,3.5rem);margin:0 0 22px}
  .hero h1 .accent{color:var(--honey);position:relative;white-space:nowrap}
  .hero h1 .accent::after{content:"";position:absolute;left:0;right:0;bottom:.08em;height:.16em;background:var(--honey-soft);z-index:-1;border-radius:2px}
  .hero-lead{font-size:1.08rem;color:var(--ink-soft);max-width:34em;margin:0 0 30px}
  .hero-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px}
  @media(min-width:600px){.hero-meta{gap:26px;margin-top:26px}}
  .hero-meta div{display:flex;flex-direction:column;gap:2px}
  .hero-meta b{font-family:var(--serif);font-size:1.5rem;color:var(--pine);line-height:1}
  .hero-meta span{font-size:.78rem;color:var(--ink-soft)}
  .hero-cta-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
  .hero-cta-row .btn{flex:1 1 auto;justify-content:center}
  @media(min-width:600px){.hero-cta-row{gap:14px}.hero-cta-row .btn{flex:0 0 auto}}

  /* radar card in hero */
  .radar-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-lg);padding:26px 26px 20px;position:relative
  }
  .radar-card .rc-label{font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sage);font-weight:700;margin-bottom:6px}
  .radar-card .rc-title{font-family:var(--serif);font-size:1.05rem;margin-bottom:16px;color:var(--ink)}
  .radar-svg{width:100%;height:auto;display:block}
  .rc-foot{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:.78rem;color:var(--ink-soft)}
  .dot{width:9px;height:9px;border-radius:50%;flex:none}

  /* ---------- section frame ---------- */
  section{padding:clamp(56px,8vw,96px) 0}
  .sec-head{text-align:center;max-width:640px;margin:0 auto clamp(36px,5vw,56px)}
  .sec-head h2{font-size:clamp(1.7rem,3.6vw,2.4rem);margin:0 0 14px}
  .sec-head p{color:var(--ink-soft);font-size:1.02rem}
  .alt{background:var(--paper-2)}

  /* ---------- diagnostic ---------- */
  #diagnose{scroll-margin-top:80px}
  .diag-shell{
    background:var(--card);border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow);max-width:760px;margin:0 auto;overflow:hidden
  }
  .diag-top{padding:22px 20px 0}
  @media(min-width:600px){.diag-top{padding:26px 32px 0}}
  .progress-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
  .progress-row .pnum{font-size:.82rem;color:var(--ink-soft);font-weight:600;font-variant-numeric:tabular-nums}
  .progress-row .pcat{font-size:.72rem;letter-spacing:.14em;color:var(--sage);font-weight:700;text-transform:uppercase}
  .progress-track{height:6px;background:var(--sage-soft);border-radius:999px;overflow:hidden}
  .progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--sage),var(--pine));border-radius:999px;transition:width .45s cubic-bezier(.4,0,.1,1)}

  .q-body{padding:26px 20px 30px;min-height:250px}
  @media(min-width:600px){.q-body{padding:30px 32px 34px;min-height:280px}}
  .q-index{font-family:var(--serif);color:var(--honey);font-size:.95rem;margin-bottom:8px}
  .q-text{font-family:var(--serif);font-size:clamp(1.2rem,2.6vw,1.5rem);line-height:1.5;margin-bottom:26px;color:var(--ink)}
  .opts{display:grid;gap:11px}
  .opt{
    display:flex;align-items:center;gap:14px;width:100%;text-align:left;cursor:pointer;
    background:var(--paper-2);border:1.5px solid var(--line);border-radius:14px;
    padding:15px 18px;font-family:var(--sans);font-size:1rem;color:var(--ink);
    transition:border-color .15s,background .15s,transform .1s
  }
  .opt:hover{border-color:var(--sage);background:var(--sage-soft);transform:translateX(3px)}
  .opt:focus-visible{outline:3px solid var(--sage);outline-offset:2px}
  .opt .tick{
    width:24px;height:24px;border-radius:50%;border:2px solid var(--line);flex:none;
    display:grid;place-items:center;transition:border-color .15s,background .15s
  }
  .opt .tick::after{content:"";width:10px;height:10px;border-radius:50%;background:var(--sage);transform:scale(0);transition:transform .15s}
  .opt.sel{border-color:var(--pine);background:var(--sage-soft)}
  .opt.sel .tick{border-color:var(--pine)}
  .opt.sel .tick::after{transform:scale(1)}
  .opt .otxt{flex:1}
  .opt .oscore{font-size:.72rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}

  .q-nav{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:0 20px 24px}
  @media(min-width:600px){.q-nav{padding:0 32px 28px}}
  .link-btn{background:none;border:none;color:var(--ink-soft);font-family:var(--sans);font-size:.92rem;cursor:pointer;padding:8px 4px;display:inline-flex;gap:6px;align-items:center}
  .link-btn:hover{color:var(--pine)}
  .link-btn:disabled{opacity:.3;cursor:default}

  /* ---------- result ---------- */
  .result{display:none}
  .result.show{display:block;animation:rise .6s ease both}
  @keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
  .score-hero{text-align:center;padding:14px 24px 30px}
  .score-ring-wrap{position:relative;width:190px;height:190px;margin:0 auto 10px}
  .score-ring-wrap svg{transform:rotate(-90deg)}
  .score-center{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
  .score-center b{font-family:var(--serif);font-size:3.1rem;line-height:1;color:var(--ink)}
  .score-center span{font-size:.74rem;letter-spacing:.18em;color:var(--sage);text-transform:uppercase;font-weight:700}
  .grade-tag{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.9rem;padding:8px 18px;border-radius:999px;margin-top:6px}
  .score-verdict{max-width:32em;margin:16px auto 0;color:var(--ink-soft);font-size:1rem}

  .axes{display:grid;gap:12px;padding:6px 20px 8px;max-width:640px;margin:0 auto}
  @media(min-width:600px){.axes{gap:14px;padding:6px 32px 8px}}
  .axis{display:grid;grid-template-columns:104px 1fr auto;gap:9px;align-items:center}
  @media(min-width:561px){.axis{grid-template-columns:150px 1fr auto;gap:14px}}
  .axis .aname{font-size:.8rem;font-weight:600;display:flex;align-items:center;gap:7px}
  @media(min-width:561px){.axis .aname{font-size:.92rem}}
  .axis .abar{height:12px;background:var(--sage-soft);border-radius:999px;overflow:hidden}
  .axis .afill{height:100%;width:0;border-radius:999px;transition:width .9s cubic-bezier(.3,0,.1,1)}
  .axis .aval{font-size:.82rem;font-variant-numeric:tabular-nums;color:var(--ink-soft);min-width:38px;text-align:right}
  .axis .pill{font-size:.64rem;font-weight:700;padding:2px 8px;border-radius:6px;letter-spacing:.04em}

  .focus-block{padding:28px 20px 8px;max-width:680px;margin:0 auto}
  @media(min-width:600px){.focus-block{padding:30px 32px 8px}}
  .focus-title{font-family:var(--serif);font-size:1.2rem;text-align:center;margin-bottom:6px}
  .focus-sub{text-align:center;color:var(--ink-soft);font-size:.9rem;margin-bottom:22px}
  .rec-card{
    border:1px solid var(--line);border-left:4px solid var(--crit);border-radius:14px;
    background:var(--paper-2);padding:20px 22px;margin-bottom:14px
  }
  .rec-card h4{margin:0 0 4px;font-family:var(--serif);font-size:1.08rem;display:flex;align-items:center;gap:10px}
  .rec-card .rc-score{font-size:.74rem;font-weight:700;padding:2px 9px;border-radius:6px;background:var(--crit-bg);color:var(--crit)}
  .rec-card p{font-size:.92rem;color:var(--ink-soft);margin:6px 0 12px}
  .rec-card .svc{display:flex;flex-wrap:wrap;gap:8px}
  .rec-card .svc span{font-size:.78rem;background:var(--sage-soft);color:var(--pine);padding:6px 12px;border-radius:999px;font-weight:600}
  .result-cta{text-align:center;padding:22px 20px 34px}
  @media(min-width:600px){.result-cta{padding:22px 32px 36px}}
  .restart{margin-top:14px}

  /* ---------- worries ---------- */
  .worry-grid{display:grid;grid-template-columns:1fr;gap:12px;max-width:820px;margin:0 auto}
  @media(min-width:641px){.worry-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
  .worry{display:flex;gap:13px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
  .worry .chk{color:var(--honey);flex:none;margin-top:2px}
  .worry p{font-size:.94rem}

  /* ---------- services ---------- */
  .svc-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media(min-width:561px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:821px){.svc-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
  .svc-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
    box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden
  }
  .svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
  .svc-num{font-family:var(--serif);font-size:.9rem;color:var(--honey);letter-spacing:.1em;margin-bottom:12px}
  .svc-card h3{font-size:1.16rem;margin:0 0 10px}
  .svc-card p{font-size:.92rem;color:var(--ink-soft)}
  .svc-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
  .svc-tags span{font-size:.72rem;color:var(--sage);border:1px solid var(--line);padding:4px 10px;border-radius:999px}

  /* ---------- founder ---------- */
  .founder{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
  @media(min-width:781px){.founder{grid-template-columns:.9fr 1.1fr;gap:48px}}
  .founder-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow);position:relative}
  @media(min-width:600px){.founder-card{padding:34px}}
  .founder-card::before{content:"“";position:absolute;top:6px;left:22px;font-family:var(--serif);font-size:4.5rem;color:var(--sage-soft);line-height:1}
  .founder-card p{position:relative;font-family:var(--serif);font-size:1.14rem;line-height:1.85;color:var(--ink)}
  .founder-meta{margin-top:22px}
  .founder-meta b{font-family:var(--serif);font-size:1.3rem;color:var(--pine)}
  .founder-meta span{display:block;font-size:.84rem;color:var(--ink-soft);margin-top:4px}
  .founder-facts{display:grid;gap:16px}
  .fact{display:flex;gap:16px;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:16px}
  .fact b{font-family:var(--serif);font-size:1.9rem;color:var(--honey);line-height:1;flex:none;min-width:auto}
  .fact div p:first-child{font-weight:600}
  .fact div p:last-child{font-size:.86rem;color:var(--ink-soft)}

  /* ---------- final CTA ---------- */
  .final{background:var(--forest);color:#EAF2ED;text-align:center;border-radius:28px;padding:clamp(44px,6vw,68px) 28px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
  .final .badge{display:inline-block;font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:#B7D8C7;border:1px solid rgba(183,216,199,.4);padding:7px 16px;border-radius:999px;margin-bottom:20px;font-weight:700}
  .final h2{color:#fff;font-size:clamp(1.7rem,4vw,2.5rem);margin:0 0 16px}
  .final p{color:#CBE0D5;max-width:34em;margin:0 auto 30px}
  .final .btn-primary{box-shadow:0 16px 40px -14px rgba(0,0,0,.5)}
  .final small{display:block;margin-top:18px;color:#9EBBAC;font-size:.82rem}

  /* ---------- footer ---------- */
  footer{padding:40px 0 56px;border-top:1px solid var(--line);margin-top:20px}
  footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;align-items:center}
  footer .brand{font-size:1.1rem}
  footer p{font-size:.8rem;color:var(--ink-soft)}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms!important;transition-duration:.001ms!important}
    .reveal{opacity:1;transform:none}
  }

  /* ---------- pricing ---------- */
  .plan-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:40px}
  @media(min-width:560px){.plan-grid{grid-template-columns:repeat(2,1fr)}}
  @media(min-width:980px){.plan-grid{grid-template-columns:repeat(4,1fr);gap:14px}}
  .plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px 22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
  .plan-pop{border:1.5px solid var(--honey);box-shadow:var(--shadow-lg)}
  .plan-badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--honey);color:#fff;font-size:.7rem;font-weight:700;padding:5px 14px;border-radius:999px;letter-spacing:.06em;white-space:nowrap}
  :root[data-theme="dark"] .plan-badge{color:#241708}
  @media (prefers-color-scheme:dark){.plan-badge{color:#241708}}
  :root[data-theme="light"] .plan-badge{color:#fff}
  .plan-emoji{font-size:2rem;line-height:1;margin-bottom:10px}
  .plan-name{font-family:var(--serif);font-size:1.4rem;color:var(--pine);font-weight:600}
  .plan-name span{font-size:.78rem;color:var(--ink-soft);margin-left:7px;font-family:var(--sans)}
  .plan-lead{font-size:.85rem;color:var(--ink-soft);margin:7px 0 14px;min-height:2.6em}
  .plan-price{display:flex;align-items:baseline;gap:4px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--line)}
  .plan-price b{font-family:var(--serif);font-size:2rem;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
  .plan-price span{font-size:.82rem;color:var(--ink-soft)}
  .plan-feat{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:9px;flex:1}
  .plan-feat li{font-size:.88rem;color:var(--ink);padding-left:22px;position:relative;line-height:1.5}
  .plan-feat li::before{content:"✓";position:absolute;left:0;top:0;color:var(--sage);font-weight:700}
  .plan-cta{width:100%;justify-content:center;padding:12px}
  .plan-note{font-size:.75rem;color:var(--ink-soft);text-align:center;margin-top:10px}

  .plan-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--card);box-shadow:var(--shadow)}
  .plan-table{width:100%;border-collapse:collapse;min-width:640px}
  .plan-table th,.plan-table td{padding:13px 14px;text-align:center;border-bottom:1px solid var(--line);font-size:.86rem}
  .plan-table thead th{background:var(--sage-soft);color:var(--pine);font-family:var(--serif);font-weight:600;font-variant-numeric:tabular-nums}
  .plan-table thead th span{display:block;font-family:var(--sans);font-size:.72rem;color:var(--ink-soft);font-weight:400;margin-top:2px}
  .plan-table tbody td:first-child,.plan-table thead th:first-child{text-align:left;font-weight:600;color:var(--ink);white-space:nowrap}
  .plan-table td.y{color:var(--pine);font-weight:700}
  .plan-table td.p{color:var(--honey);font-weight:700}
  .plan-table td.n{color:var(--ink-soft);opacity:.4}
  .plan-table td small{display:block;font-size:.66rem;color:var(--ink-soft);font-weight:400}
  .plan-table tbody tr:last-child td{border-bottom:none}
  .plan-legend{text-align:center;font-size:.78rem;color:var(--ink-soft);margin-top:14px}