/* =========================================================
   QUU  style.css  v4（整然・余白重視）
   色：ロゴの藍＋白。虹色はQの尻尾の工程線だけに使う
   書体：Zen Kaku Gothic New（サンセリフ。見出しは太字）
   ========================================================= */
:root{
  --ink:#19156D;       /* ロゴの藍（実測） */
  --ink-2:#2E28A8;
  --text:#1F1D2B;
  --muted:#6B6880;
  --line:rgba(25,21,109,.10);
  --line-2:rgba(25,21,109,.22);
  --bg:#FFFFFF;
  --tint:#F6F6FA;
  --accent:#5546C8;
  --iri:linear-gradient(180deg,#F3A6D2,#A9C8F5 45%,#8FE0E8 70%,#B9A9F7);
  --iri-h:linear-gradient(90deg,#F3A6D2,#A9C8F5 45%,#8FE0E8 70%,#B9A9F7);
  --f:"Zen Kaku Gothic New","Hiragino Sans","Yu Gothic",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --gut:clamp(20px,5vw,64px);
  --r:10px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--f);font-size:16px;line-height:1.9;letter-spacing:.03em;-webkit-font-smoothing:antialiased;overflow-x:hidden;line-break:strict}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,p,ul,ol,dl,dd{margin:0;padding:0}
ul,ol{list-style:none}
h1,h2,h3,summary,.answer,.hodoku-copy{word-break:auto-phrase}
.nb{display:inline-block}
.mono{font-family:var(--mono);font-weight:500;font-size:.6875rem;letter-spacing:.1em}
.pc{display:none}
@media (min-width:900px){.pc{display:inline}}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 1.8em;border-radius:999px;font-family:var(--f);font-weight:700;font-size:.9375rem;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-cta{background:var(--ink);color:#fff}
.btn-cta:hover{background:var(--ink-2)}
.btn-ghost{border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.btn-sm{min-height:40px;padding:0 1.3em;font-size:.8125rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:32px;padding:14px var(--gut);background:rgba(255,255,255,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .3s}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;text-decoration:none}
.brand img:first-child{width:32px;height:32px}
.brand-word{width:60px}
.gnav{display:none;gap:36px;font-size:.8125rem;font-weight:500}
.gnav a{text-decoration:none;color:var(--muted)}
.gnav a:hover{color:var(--ink)}
@media (min-width:900px){.gnav{display:flex}}

/* hero */
.hero{max-width:1200px;margin:0 auto;padding:clamp(64px,10vw,140px) var(--gut) clamp(96px,12vw,160px);display:grid;gap:clamp(56px,7vw,96px);align-items:center}
@media (min-width:900px){.hero{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);min-height:calc(100vh - 68px)}}
.eyebrow{font-size:.875rem;font-weight:700;color:var(--accent);margin-bottom:28px}
.hero-title{font-weight:900;color:var(--ink);font-size:clamp(2.125rem,5vw,3.75rem);line-height:1.35;letter-spacing:.02em;font-feature-settings:"palt" 1}
.hero-lead{margin-top:28px;color:var(--muted);font-size:clamp(1rem,1.3vw,1.125rem);font-weight:500}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:44px}

/* Qの尻尾 → 工程線 */
.qpath{container-type:inline-size;width:100%;max-width:440px;justify-self:start;--q:40;--d:6cqw}
@media (min-width:600px){.qpath{--q:50;justify-self:center}}
.qpath-mark{position:relative;width:calc(var(--q) * 1cqw);aspect-ratio:1}
.qpath-mark img{width:100%;height:100%}
.qpath-tail{position:absolute;left:calc(var(--q) * .744cqw);top:calc(var(--q) * .878cqw);width:calc(var(--d) * 1.4142);height:3px;border-radius:2px;background:var(--iri-h);transform-origin:0 50%;transform:rotate(45deg) scaleX(0);animation:tail .6s .3s cubic-bezier(.6,0,.2,1) forwards}
.qpath-steps{position:relative;margin-left:calc(var(--q) * .744cqw + var(--d) - 1.5px);margin-top:calc(var(--q) * -.122cqw + var(--d) - 2px);padding:8px 0 0 26px}
.qpath-steps::before{content:"";position:absolute;left:0;top:0;bottom:10px;width:3px;border-radius:2px;background:var(--iri);transform-origin:top;transform:scaleY(0);animation:line .9s .85s cubic-bezier(.6,0,.2,1) forwards}
.qpath-steps li{position:relative;padding-bottom:20px;font-weight:700;color:var(--ink);font-size:.9375rem;line-height:1.5;opacity:0;animation:fadein .5s forwards}
.qpath-steps li:nth-child(1){animation-delay:1s}.qpath-steps li:nth-child(2){animation-delay:1.15s}.qpath-steps li:nth-child(3){animation-delay:1.3s}.qpath-steps li:nth-child(4){animation-delay:1.45s;padding-bottom:0}
.qpath-steps li::before{content:"";position:absolute;left:-31px;top:4px;width:13px;height:13px;border-radius:50%;background:#fff;border:2.5px solid var(--accent)}
.qpath-steps li.is-goal::before{background:var(--ink);border-color:var(--ink)}
.qpath-steps .mono{display:block;color:var(--accent);margin-bottom:2px}
@keyframes tail{to{transform:rotate(45deg) scaleX(1)}}
@keyframes line{to{transform:scaleY(1)}}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* sections */
.sec{padding:clamp(96px,12vw,168px) var(--gut)}
.sec-tint{background:var(--tint)}
.wrap{max-width:1040px;margin:0 auto}
.wrap-narrow{max-width:720px}
.qno{font-family:var(--mono);font-size:.75rem;font-weight:500;letter-spacing:.12em;color:var(--accent);margin-bottom:14px}
.sec-title{font-weight:900;color:var(--ink);font-size:clamp(1.625rem,3.4vw,2.5rem);line-height:1.4;letter-spacing:.02em;font-feature-settings:"palt" 1}
.answer{margin-top:20px;font-size:clamp(1rem,1.4vw,1.125rem);font-weight:500;color:var(--text);max-width:36em}
.fine{margin-top:32px;font-size:.8125rem;color:var(--muted)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.is-in{opacity:1;transform:none}

/* Q1 */
.pains{display:grid;gap:16px;margin-top:56px}
@media (min-width:800px){.pains{grid-template-columns:repeat(3,1fr);gap:24px}}
.pains li{padding:28px 0 0;border-top:2px solid var(--ink)}
.pains b{display:block;font-weight:700;color:var(--ink);font-size:1.0625rem;line-height:1.6}
.pains span{display:block;margin-top:8px;color:var(--muted);font-size:.875rem}
.pains span::before{content:"→ ";color:var(--accent)}

/* Q2 services */
.svc-grid{display:grid;gap:20px;margin-top:56px}
@media (min-width:760px){.svc-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media (min-width:1080px){.svc-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
.svc{background:#fff;border-radius:var(--r);padding:28px 24px 24px;display:flex;flex-direction:column;border:1px solid var(--line)}
.svc-main{border:2px solid var(--ink)}
.svc-art{height:96px;width:auto;object-fit:contain;align-self:flex-start;margin:0 0 20px -6px}
.svc-step{font-family:var(--mono);font-size:.6875rem;font-weight:500;letter-spacing:.1em;color:var(--accent)}
.svc-name{font-weight:700;color:var(--ink);font-size:1.125rem;line-height:1.5;margin-top:6px}
.svc-name small{font-size:.75em}
.svc-desc{margin-top:6px;color:var(--muted);font-size:.875rem}
.svc-price{margin-top:auto;padding-top:24px;font-weight:700;color:var(--ink);font-size:.9375rem}
.svc-price .num{font-size:2.25rem;font-weight:700;letter-spacing:0;margin:0 2px;line-height:1}
.svc-price small{font-weight:500;color:var(--muted);font-size:.75rem;margin-left:2px}
.svc-meta{margin-top:6px;font-size:.75rem;color:var(--muted)}
.svc-cta{display:flex;justify-content:space-between;align-items:center;margin-top:20px;padding:12px 0 0;border-top:1px solid var(--line);font-weight:700;color:var(--ink);font-size:.875rem;text-decoration:none}
.svc-cta span{transition:transform .2s}
.svc-cta:hover span{transform:translateX(4px)}

/* Q3 weeks */
.weeks{display:grid;gap:40px;margin-top:64px;position:relative}
@media (min-width:860px){.weeks{grid-template-columns:repeat(4,1fr);gap:28px}}
.weeks li{position:relative}
.week-no{font-weight:900;color:var(--ink);font-size:2.5rem;line-height:1;letter-spacing:0;padding-bottom:18px;margin-bottom:18px;border-bottom:2px solid var(--line)}
.week-no .mono{display:block;font-size:.625rem;color:var(--accent);margin-bottom:8px;font-weight:500}
.week-goal .week-no{border-bottom-color:var(--ink);color:var(--accent)}
.weeks h3{font-weight:700;color:var(--ink);font-size:1.0625rem}
.weeks p:last-child{margin-top:4px;font-size:.875rem;color:var(--muted)}

/* Q4 approach */
.hodoku-copy{margin-top:48px;font-weight:900;color:var(--ink);font-size:clamp(1.5rem,3.2vw,2.25rem);line-height:1.5;letter-spacing:.03em}
.hodoku-steps{display:grid;gap:0;margin-top:56px;border-top:2px solid var(--ink)}
@media (min-width:800px){.hodoku-steps{grid-template-columns:repeat(3,1fr)}}
.hodoku-steps li{padding:28px 0;border-bottom:1px solid var(--line)}
@media (min-width:800px){.hodoku-steps li{padding:32px 28px 8px 0;border-bottom:0}.hodoku-steps li+li{padding-left:28px;border-left:1px solid var(--line)}}
.hodoku-steps .mono{color:var(--accent)}
.hodoku-steps b{display:block;font-weight:900;color:var(--ink);font-size:1.5rem;margin-top:6px;letter-spacing:.06em}
.hodoku-steps p{margin-top:6px;color:var(--muted);font-size:.875rem}
.policy{display:flex;flex-wrap:wrap;gap:10px;margin-top:48px}
.policy li{font-size:.8125rem;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px}
.policy li::before{content:"✓ ";color:var(--accent);font-weight:700}

/* Q5 stack */
.stack{display:grid;grid-template-columns:repeat(2,1fr);gap:40px 16px;margin-top:64px}
@media (min-width:760px){.stack{grid-template-columns:repeat(5,1fr)}}
.stack li{text-align:center}
.stack svg{width:56px;height:56px;margin:0 auto 16px;fill:none;stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.stack svg .f{fill:var(--ink);stroke:none}
.stack b{display:block;font-weight:700;color:var(--ink);font-size:1rem}
.stack span{display:block;margin-top:2px;font-size:.75rem;color:var(--muted)}
.stack + .fine{text-align:center;margin-top:56px}

/* Q6 branding */
.brand-grid{display:grid;gap:32px;margin-top:56px;align-items:center}
@media (min-width:860px){.brand-grid{grid-template-columns:1fr 1.2fr;gap:56px}}
.tags{display:flex;flex-wrap:wrap;gap:10px}
.tags li{font-size:.875rem;font-weight:500;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px}
.work{display:block;text-decoration:none;background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);transition:transform .3s,box-shadow .3s}
.work:hover{transform:translateY(-3px);box-shadow:0 20px 40px -28px rgba(25,21,109,.5)}
.work-media{position:relative;aspect-ratio:16/9;background:var(--ink)}
.work-media img{width:100%;height:100%;object-fit:cover}
.work-play{position:absolute;left:50%;top:50%;width:56px;height:56px;margin:-28px 0 0 -28px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--ink);display:grid;place-items:center;font-size:1rem;padding-left:3px}
.work-text{padding:22px 24px 24px}
.work h3{font-weight:700;color:var(--ink);font-size:1.0625rem}
.work-text p{font-size:.8125rem;color:var(--muted);margin-top:4px}
.work-stat{color:var(--ink)!important;font-weight:700;font-size:.875rem!important;margin-top:10px!important}
.work-stat .num{font-size:1.75rem;font-weight:900;margin-right:2px}
.work-stat small{font-weight:500;color:var(--muted)}

/* company */
.profile{margin-top:48px;border-top:2px solid var(--ink)}
.profile div{display:grid;grid-template-columns:7.5em 1fr;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);font-size:.9375rem}
.profile dt{color:var(--muted);font-size:.8125rem;padding-top:2px}
.profile a{color:var(--ink);font-weight:700;text-underline-offset:3px}

/* faq */
.faq{margin-top:40px;border-top:1px solid var(--line-2)}
.faq details{border-bottom:1px solid var(--line-2)}
.faq summary{list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;font-weight:700;color:var(--ink);font-size:1rem;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:10px;top:50%;width:10px;height:10px;margin-top:-8px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-2px}
.faq details p{padding:0 0 24px;color:var(--muted);font-size:.9375rem}

/* contact */
.sec-contact .sec-title,.sec-contact .answer{text-align:center;margin-left:auto;margin-right:auto}
.flow{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 28px;margin-top:32px;font-size:.8125rem;color:var(--muted);font-weight:500}
.flow .mono{color:var(--accent);margin-right:6px}
.form{margin-top:56px;display:grid;grid-template-columns:1fr;gap:26px 20px}
@media (min-width:640px){.form{grid-template-columns:1fr 1fr}}
.field{grid-column:1/-1;border:0;margin:0;padding:0;min-width:0}
@media (min-width:640px){.field-half{grid-column:auto}}
.field label,.field legend{display:block;font-weight:700;font-size:.8125rem;color:var(--ink);margin-bottom:8px;padding:0}
.req,.opt{font-size:.625rem;margin-left:8px;padding:2px 7px;border-radius:4px;vertical-align:1px;font-weight:700}
.req{background:var(--ink);color:#fff}
.opt{color:var(--muted);border:1px solid var(--line-2)}
input[type=text],input[type=email],textarea,select{width:100%;font:inherit;font-size:16px;color:var(--text);background:var(--tint);border:1.5px solid transparent;border-radius:8px;padding:12px 14px;min-height:52px;transition:border-color .2s,background .2s}
textarea{resize:vertical;line-height:1.7}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--ink);background:#fff}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{margin:0;font-weight:500}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border:1.5px solid var(--line-2);border-radius:999px;font-size:.8125rem;cursor:pointer;transition:all .2s}
.chips input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chips input:focus-visible+span{outline:3px solid var(--accent);outline-offset:2px}
.check{display:flex!important;align-items:center;gap:10px;font-weight:500!important;cursor:pointer;justify-content:center}
.check input{width:18px;height:18px;accent-color:var(--ink);margin:0}
.check a{color:var(--ink);font-weight:700}
.err{display:none;margin-top:6px;font-size:.75rem;color:#B3261E;font-weight:700}
.field.has-error input,.field.has-error textarea{border-color:#B3261E;background:#FFF6F5}
.field.has-error .err{display:block}
.consent .err{text-align:center}
.btn-submit{grid-column:1/-1;justify-self:center;min-width:260px;min-height:58px;font-size:1rem}
.hp{position:absolute;left:-9999px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:56px var(--gut) 104px}
@media (min-width:900px){.site-footer{padding-bottom:40px}}
.foot-inner{max-width:1040px;margin:0 auto;display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:center}
.foot-brand{display:flex;align-items:center;gap:14px;font-weight:700;color:var(--ink);font-size:.875rem}
.foot-brand img{width:36px;height:36px}
.foot-nav{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:.8125rem;color:var(--muted)}
.foot-nav a{text-decoration:none}
.foot-nav a:hover{color:var(--ink)}
.copy{max-width:1040px;margin:32px auto 0;font-family:var(--mono);font-size:.6875rem;color:var(--muted)}

/* sticky CTA (mobile) */
.sticky-cta{position:fixed;left:16px;right:16px;bottom:max(14px,env(safe-area-inset-bottom));z-index:60;display:flex;align-items:center;justify-content:center;min-height:54px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;text-decoration:none;box-shadow:0 10px 30px -12px rgba(25,21,109,.6);transform:translateY(160%);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.sticky-cta.is-shown{transform:none}
@media (min-width:900px){.sticky-cta{display:none}}

/* sub pages */
.page{max-width:720px;margin:0 auto;padding:clamp(64px,10vw,120px) var(--gut)}
.page-center{text-align:center}
.page-title{font-weight:900;color:var(--ink);font-size:clamp(1.625rem,4vw,2.25rem);line-height:1.45}
.page-lead{margin-top:16px;color:var(--muted)}
.page h2{font-size:1rem;font-weight:700;color:var(--ink);margin-top:40px;padding-top:20px;border-top:1px solid var(--line)}
.page h2+p,.page h2+ul{margin-top:10px}
.page ul{list-style:disc;padding-left:1.4em}
.page a{color:var(--ink);font-weight:700}
.page .btn-cta{color:#fff}
.page-profile{margin-top:48px}
.page-center .flow{margin-top:32px}
.thanks-art{width:160px;margin:0 auto 16px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* v4 tuning */
.hero{padding-bottom:clamp(72px,8vw,112px)}
.weeks{grid-template-columns:repeat(2,1fr);gap:40px 20px}
@media (min-width:860px){.weeks{grid-template-columns:repeat(4,1fr);gap:28px}}
@media (max-width:759px){
  .svc{padding:22px 20px 18px}
  .svc-art{height:64px;margin-bottom:12px}
  .svc-price{padding-top:16px}
  .hodoku-steps li{padding:20px 0}
  .hodoku-steps b{font-size:1.25rem}
  .policy{margin-top:32px}
}

/* ロゴと工程線を切り離す（v4.1） */
.qpath-tail{display:none}
.qpath-steps{margin-left:calc(var(--q) * .5cqw - 1.5px);margin-top:40px}