/* Flat editorial style: white, black text, one accent, thin gray rules, no radius/shadow */
:root{
  --ink:#111111; --muted:#555555; --accent:#0b3d91; --accent-dark:#082d6b;
  --bg:#ffffff; --bg-soft:#f6f6f4; --line:#dddddd; --radius:0;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font-family:"Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.45;margin:0 0 .6em;color:var(--ink)}
p{margin:0 0 1em}
.container{width:min(1120px,100% - 48px);margin-inline:auto}
.narrow{width:min(760px,100% - 48px)}
.small{font-size:.86rem}.muted{color:var(--muted)}.center{text-align:center}
.sp{display:none}
@media (max-width:640px){.sp{display:inline}.pc{display:none}body{font-size:16px}.container,.narrow{width:calc(100% - 40px)}}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:28px;height:64px}
.logo{font-weight:700;text-decoration:none;font-size:1.08rem;color:var(--ink);white-space:nowrap}
.logo span{font-weight:400;font-size:.74rem;color:var(--muted);margin-left:10px}
.nav{display:flex;gap:24px;margin-left:auto;font-size:.9rem}
.nav a{text-decoration:none;color:var(--muted)}.nav a:hover{color:var(--ink)}
@media (max-width:860px){.nav{display:none}.header-inner .btn{margin-left:auto}}
@media (max-width:420px){.logo span{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:700;text-decoration:none;border-radius:2px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,color .15s}
.btn-sm{padding:7px 16px;font-size:.85rem}
.btn-lg{padding:15px 30px;font-size:1rem}
.btn-block{width:100%;padding:15px 20px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#333}
.btn:disabled{opacity:.6;cursor:default}

/* hero */
.hero{background:#fff;padding:56px 0 80px;border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.badge{display:inline-block;color:var(--accent);font-weight:700;font-size:.9rem;letter-spacing:.08em;margin:0 0 18px;padding:0}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:900;letter-spacing:.01em;line-height:1.35}
.hl{color:var(--accent)}
.lead{font-size:1.1rem;color:var(--ink)}
.hero-badges{list-style:none;padding:0;margin:8px 0 0;border-top:1px solid var(--line)}
.hero-badges li{font-weight:700;font-size:1.02rem;padding:12px 0;border-bottom:1px solid var(--line)}
.hero-points{list-style:none;padding:0;margin:14px 0 30px;display:flex;flex-wrap:wrap;gap:4px 28px;font-size:.92rem;color:var(--muted)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:10px}
.hero-visual,.about-visual,.who-visual{margin:0}
.hero-visual img,.about-visual img,.who-visual img{border-radius:0;box-shadow:none}
figcaption{font-size:.82rem;color:var(--muted);margin-top:10px;text-align:left}
@media (max-width:900px){.hero{padding:48px 0 56px}.hero-inner{grid-template-columns:1fr;gap:36px}}

/* sections */
.section{padding:96px 0;border-bottom:1px solid var(--line)}
@media (max-width:640px){.section{padding:64px 0}}
.section-title{font-size:clamp(1.55rem,3.2vw,2.3rem);font-weight:900;text-align:center;margin-bottom:48px}
.section-title.left{text-align:left;margin-bottom:28px;font-size:clamp(1.45rem,2.8vw,2rem)}
.eyebrow{font-weight:700;color:var(--accent);letter-spacing:.12em;font-size:.84rem;margin-bottom:10px}
.eyebrow.center{text-align:center}
.grid{display:grid;gap:0 48px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.grid-3,.grid-2{grid-template-columns:1fr}}
/* former cards: plain text columns with a thin top rule */
.card{background:transparent;border:0;border-top:1px solid var(--ink);border-radius:0;padding:22px 0 36px;box-shadow:none}
.card h3{font-size:1.18rem;font-weight:700}
.card p{color:var(--muted);margin:0}

.about-inner,.who-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
@media (max-width:900px){.about-inner,.who-inner{grid-template-columns:1fr;gap:32px}}
.note-box{font-weight:700;margin-top:1.6em;padding-top:1.2em;border-top:1px solid var(--line)}

/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0 36px}
.step{border-top:1px solid var(--ink);padding:22px 0 30px}
.step-no{display:block;font-size:1.9rem;font-weight:700;color:var(--accent);line-height:1;margin-bottom:16px;font-variant-numeric:tabular-nums}
.step h3{font-size:1.08rem}
.step p{color:var(--muted);font-size:.95rem;margin:0}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* pc-free */
.pc-grid{max-width:960px;margin-inline:auto}
.pc-card{border-top:1px solid var(--ink);padding:24px 0 30px}
.pc-card h3{font-size:1.4rem;font-weight:900}
.pc-card p{margin:0;color:var(--muted)}

/* demo */
.demo .section-title{margin-bottom:14px}
.video-frame{position:relative;max-width:880px;margin:32px auto 0;aspect-ratio:16/9;border-radius:0;overflow:hidden;cursor:pointer;background:#000}
.video-frame img{width:100%;height:100%;object-fit:cover;filter:brightness(.6)}
.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-frame .play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:0;background:#fff;transition:background .15s}
.video-frame .play::after{content:"";position:absolute;left:30px;top:23px;border-style:solid;border-width:15px 0 15px 24px;border-color:transparent transparent transparent var(--ink)}
.video-frame:hover .play{background:#eee}
.video-label{position:absolute;left:0;right:0;bottom:0;padding:14px 20px;color:#fff;font-weight:700;font-size:.95rem;background:rgba(0,0,0,.55)}
.video-frame:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.quality-note{max-width:880px;margin:28px auto 0;padding:22px 0 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:24px;justify-content:space-between}
.quality-note p{margin:0;font-weight:700;line-height:1.75}
.quality-note .btn{flex:none;padding:11px 22px;font-size:.92rem}
@media (max-width:760px){.quality-note{flex-direction:column;align-items:stretch;text-align:left}}

/* who */
.check-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.check-list li{padding:14px 0;border-bottom:1px solid var(--line);font-weight:500}
.honest{margin-top:56px;padding:28px 0 0;border-top:1px solid var(--ink)}
.honest h3{font-size:1.12rem}
.honest p{margin:0;color:var(--muted)}

/* pricing */
.pricing .section-title{margin-bottom:12px}
.pricing-limit{color:var(--accent);font-weight:700;letter-spacing:.08em;font-size:.92rem}
.price-target{font-weight:700;margin-bottom:6px}
.price-amount{font-size:2.8rem;font-weight:900;line-height:1.2;margin:0 0 20px!important;color:var(--ink)!important}
.price-amount .yen{font-size:1rem;font-weight:700;margin:0 4px}
.price-amount .tax{display:block;font-size:.86rem;font-weight:400;color:var(--muted)}
.price-list{list-style:none;padding:0;margin:0 0 24px;flex:1;border-top:1px solid var(--line)}
.price-list li{padding:9px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.price-notes{max-width:1000px;margin:28px auto 0;padding-left:1.2em}
.price-notes li{margin-bottom:4px}

.price-biz{max-width:1000px;margin:36px auto 0;padding:28px 0 0;border-top:2px solid var(--ink)}
.price-biz-head{display:grid;grid-template-columns:auto 1fr;gap:12px 48px;align-items:center}
.price-biz-head .price-amount{margin:0!important}
.price-list-inline{display:grid;grid-template-columns:1fr 1fr;column-gap:28px;margin:0}
.plan-lead{margin:40px 0 0!important;font-weight:700;color:var(--ink)!important;text-align:left}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:16px;border-top:1px solid var(--ink)}
.plan{position:relative;display:flex;flex-direction:column;padding:24px 24px 28px;border-left:1px solid var(--line)}
.plan:first-child{border-left:0;padding-left:0}
.plan:last-child{padding-right:0}
.plan-featured{background:transparent}
.plan-flag{color:var(--accent)!important;font-weight:700;font-size:.82rem;margin:0 0 6px!important;letter-spacing:.06em}
.plan:not(.plan-featured) .plan-name{margin-top:calc(.82rem * 1.9 + 6px)!important}
.plan-name{display:flex;flex-direction:column;gap:2px;font-weight:900;color:var(--ink)!important;font-size:1.12rem;margin:0 0 14px!important;word-break:auto-phrase}
.plan-key{font-size:.8rem;font-weight:700;color:var(--muted);letter-spacing:.06em}
.plan-rows{margin:0 0 20px;flex:1}
.plan-rows div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.plan-rows dt{color:var(--muted);font-size:.9rem}
.plan-rows dd{margin:0;font-weight:700;font-size:1.12rem;text-align:right}
.plan-rows dd small{font-size:.72rem;font-weight:400;color:var(--muted)}
.plan .btn{padding:12px 14px;font-size:.92rem}
.price-pro{max-width:1000px;margin:56px auto 0;display:grid;grid-template-columns:auto 1fr;gap:12px 48px;align-items:center;padding:28px 0 0;border-top:2px solid var(--ink)}
.price-pro .price-list{margin:0}
.price-pro .btn{grid-column:1/-1;margin-top:12px}
.price-pro .price-amount{margin:0!important}
@media (max-width:900px){
  .price-biz-head,.price-pro{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .plan,.plan:first-child,.plan:last-child{border-left:0;padding:24px 0 28px;border-bottom:1px solid var(--line)}
  .plan:not(.plan-featured) .plan-name{margin-top:0!important}
}
@media (max-width:560px){.price-list-inline{grid-template-columns:1fr}.price-amount{font-size:2.3rem}}

/* faq */
.faq-list{border-top:1px solid var(--ink)}
.faq-list details{border-bottom:1px solid var(--line);background:transparent}
.faq-list summary{cursor:pointer;padding:20px 44px 20px 0;font-weight:700;list-style:none;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:1px;background:var(--muted);box-shadow:none}
.faq-list summary::before{content:"";position:absolute;right:11.5px;top:calc(50% - 5.5px);width:1px;height:12px;background:var(--muted)}
.faq-list details[open] summary::before{display:none}
.faq-list details p{padding:0 0 22px;margin:0;color:var(--muted)}
.text-link{color:var(--accent);font-weight:700;text-decoration:underline;text-underline-offset:3px}

/* contact */
.contact{background:var(--bg-soft);border-bottom:0}
.light,.contact .section-title{color:var(--ink)}
.contact .eyebrow{color:var(--accent)}
.light-text{color:var(--muted)}.light-text a{color:var(--ink)}
.contact .section-title{margin-bottom:14px}
.form{background:transparent;border-radius:0;padding:0;margin-top:40px;box-shadow:none}
.booking-steps{list-style:none;margin:0 0 36px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px}
.booking-steps li{word-break:auto-phrase;border-top:1px solid var(--ink);padding:14px 0 0;font-weight:700;font-size:.94rem;line-height:1.6}
.booking-steps span{display:block;color:var(--accent);font-weight:700;font-size:.85rem;margin-bottom:4px}
@media (max-width:640px){.booking-steps{grid-template-columns:1fr;gap:16px}}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
@media (max-width:640px){.field-row{grid-template-columns:1fr}}
.field{margin:0 0 22px;border:0;padding:0;min-width:0}
.field label,.field legend{display:block;font-weight:700;font-size:.94rem;margin-bottom:6px;color:var(--ink);padding:0}
.req,.opt{font-size:.76rem;font-weight:400;margin-left:6px;color:var(--muted)}
.req{color:var(--accent);font-weight:700}
input[type=text],input[type=email],input[type=tel],textarea,select{width:100%;max-width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #bbbbbb;border-radius:2px;background:#fff;color:var(--ink)}
select{appearance:auto;text-overflow:ellipsis}
input:focus,textarea:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px;border-color:var(--accent)}
.was-validated input:invalid,.was-validated textarea:invalid{border-color:#b00020}
.was-validated .radio-row:has(input:invalid) .radio{border-color:#b00020}
.radio-row,.check-row{display:flex;flex-wrap:wrap;gap:8px}
.radio,.check{display:flex!important;align-items:center;gap:8px;font-weight:400!important;border:1px solid #bbbbbb;border-radius:2px;padding:10px 14px;cursor:pointer;color:var(--ink)!important;margin:0!important;font-size:.94rem!important;background:#fff}
.radio input,.check input{accent-color:var(--accent);width:18px;height:18px;flex:none}
.radio:has(input:checked),.check:has(input:checked){border-color:var(--ink)}
.check-row{margin-bottom:12px}
.is-invalid .check,.is-invalid textarea{border-color:#b00020}
.field-hint{margin:6px 0 0;font-size:.82rem;color:var(--muted)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-policy{color:var(--muted);text-align:center}.form-policy a{color:var(--ink)}
.form-status{margin:14px 0 0;font-weight:700;font-size:.94rem;text-align:center;min-height:1em}
.form-status.is-error{color:#b00020}.form-status.is-ok{color:#1b5e20}
.booking-note[hidden]{display:none}
.booking-note{margin-top:16px;text-align:center;color:var(--muted)}

/* footer */
.site-footer{background:#fff;color:var(--muted);padding:32px 0;border-top:1px solid var(--line)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.footer-name{color:var(--ink);font-weight:700;margin:0}
.site-footer p.small{margin:0}
.site-footer a{color:var(--muted)}

/* 改行調整（日本語の文節単位で折り返す） */
h1,h2,h3,summary,.lead{word-break:auto-phrase;text-wrap:balance}
@media (max-width:640px){
  .video-label{font-size:.78rem;padding:10px 12px}
  .video-frame .play{width:56px;height:56px;margin:-28px 0 0 -28px}
  .video-frame .play::after{left:22px;top:16px;border-width:12px 0 12px 18px}
}
@media (max-width:420px){.video-label{display:none}}

/* 他の制作例リンク */
.more-examples{margin:14px 0 0;font-size:.92rem;font-weight:700}
.more-examples a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.demo .more-examples{margin-top:20px}

/* hero を詰めて 1280x800 で CTA が見えるように */
@media (min-width:901px){
  .hero{padding:36px 0 64px}
  .badge{margin-bottom:12px}
  .hero h1{font-size:clamp(2.2rem,4.4vw,3.2rem);line-height:1.28;margin-bottom:.45em}
  .lead{margin-bottom:.6em;line-height:1.8}
  .hero-badges li{padding:8px 0}
  .hero-points{margin:10px 0 22px}
}