/* =========================================================
   Flowra（架空サンプル）— style.css
   テイスト：ダークモード × ネオングラデ（モダンSaaS LP）
   ========================================================= */

:root {
  --bg:        #08080C;
  --bg-2:      #0D0E15;
  --surface:   rgba(255,255,255,.03);
  --surface-2: rgba(255,255,255,.05);
  --border:    rgba(255,255,255,.09);
  --border-2:  rgba(255,255,255,.14);
  --text:      #ECEDF2;
  --muted:     #9A9CAC;
  --muted-2:   #6E7080;

  --violet:    #7C5CFF;
  --cyan:      #22D3EE;
  --pink:      #F471B5;
  --grad:      linear-gradient(110deg, #7C5CFF 0%, #22D3EE 100%);
  --grad-soft: linear-gradient(110deg, rgba(124,92,255,.18), rgba(34,211,238,.18));

  --maxw: 1180px;
  --gutter: 24px;
  --radius: 16px;
  --radius-lg: 24px;
  --ease: cubic-bezier(.22,1,.36,1);
  --section-pad: 96px;

  --sans: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --jp:   "Noto Sans JP", system-ui, sans-serif;
  --display: "Space Grotesk", "Noto Sans JP", sans-serif;
  --mono: "JetBrains Mono", monospace;
}

* , *::before, *::after { box-sizing: border-box; }
figure, figcaption, blockquote, dl, dt, dd, fieldset, legend, menu { margin: 0; }
fieldset { padding: 0; border: 0; min-inline-size: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--jp); font-weight: 400;
  color: var(--text); background: var(--bg);
  line-height: 1.85; letter-spacing: .01em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s var(--ease), opacity .25s; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0; }
h1,h2,h3,h4 { margin: 0; font-weight: 600; line-height: 1.25; letter-spacing: -.01em; }
/* 見出しは文節で折り返し、最終行に1〜2文字だけ残らないよう行をそろえる */
h1, h2, h3 { word-break: auto-phrase; text-wrap: balance; }
button { font-family: inherit; cursor: pointer; }

.skip-link { position: absolute; left: 8px; top: -48px; background: var(--violet); color: #fff; padding: 10px 16px; border-radius: 8px; z-index: 1000; transition: top .2s; }
.skip-link:focus { top: 8px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ---------- 背景演出 ---------- */
.bg-grid { position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, #000 30%, transparent 75%);
}
.bg-glow { position: fixed; inset: 0; z-index: -3; pointer-events: none; }
.bg-glow::before, .bg-glow::after {
  content: ""; position: absolute; border-radius: 50%; filter: blur(110px); opacity: .5;
}
.bg-glow::before { width: 620px; height: 620px; top: -220px; left: 50%; transform: translateX(-50%); background: radial-gradient(circle, rgba(124,92,255,.55), transparent 70%); }
.bg-glow::after { width: 460px; height: 460px; top: 240px; right: -120px; background: radial-gradient(circle, rgba(34,211,238,.32), transparent 70%); }

/* ---------- レイアウト ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap-narrow { max-width: 920px; }
.section { padding-block: var(--section-pad); position: relative; }
.center { text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--cyan); padding: 6px 14px; border: 1px solid var(--border); border-radius: 999px;
  background: var(--surface); backdrop-filter: blur(8px);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }

.h2 { font-family: var(--display); font-size: clamp(1.9rem, 1.3rem + 2.4vw, 3rem); font-weight: 600; letter-spacing: -.02em; line-height: 1.15; }
.sec-head { max-width: 680px; margin-bottom: 64px; }
.sec-head.center { margin-inline: auto; }
.sec-head .eyebrow { margin-bottom: 22px; }
.sec-head .lead { margin-top: 20px; color: var(--muted); font-size: 1.02rem; }
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--sans); font-weight: 500; font-size: .95rem; letter-spacing: .01em;
  padding: 14px 26px; border-radius: 12px; border: 1px solid transparent;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, border-color .3s, color .3s;
  white-space: nowrap;
}
.btn .arrow { transition: transform .3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn-sm { padding: 10px 18px; font-size: .88rem; }
.btn-grad { background: var(--grad); color: #0A0A0F; font-weight: 600; box-shadow: 0 6px 24px rgba(124,92,255,.35); }
.btn-grad:hover { transform: translateY(-2px); box-shadow: 0 10px 34px rgba(124,92,255,.5); }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--border-2); background: var(--surface-2); transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: var(--border-2); color: var(--text); }
.btn-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-lg { padding: 17px 34px; font-size: 1rem; }

.link-arrow { color: var(--cyan); font-weight: 500; display: inline-flex; align-items: center; gap: 7px; }
.link-arrow .arrow { transition: transform .3s var(--ease); }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ---------- ヘッダー ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background .4s var(--ease), border-color .4s, backdrop-filter .4s; border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: rgba(8,8,12,.72); backdrop-filter: saturate(160%) blur(16px); border-bottom-color: var(--border); }
.header-inner { max-width: var(--maxw); margin-inline: auto; padding: 0 var(--gutter); height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-logo { width: 28px; height: 28px; display: inline-block; }
.brand-logo svg { width: 100%; height: 100%; }
.brand-name { font-family: var(--display); font-weight: 700; font-size: 1.3rem; letter-spacing: -.01em; }

.nav-list { display: flex; align-items: center; gap: 32px; }
.nav-link { font-size: .92rem; color: var(--muted); position: relative; padding: 4px 0; }
.nav-link:hover, .nav-link.is-active { color: var(--text); }
.nav-link.is-active::after { content: ""; position: absolute; left: 0; bottom: -3px; width: 100%; height: 2px; background: var(--grad); border-radius: 2px; }
.nav-actions-mobile { display: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }

/* ---------- ヒーロー ---------- */
.hero { padding-top: 150px; padding-bottom: 90px; text-align: center; position: relative; }
.hero__badge { margin-bottom: 28px; }
.hero h1 { font-family: var(--display); font-weight: 600; font-size: clamp(2.4rem, 1.4rem + 5vw, 4.6rem); line-height: 1.08; letter-spacing: -.03em; }
.hero h1 .jp { font-family: var(--display); }
.hero__sub { max-width: 620px; margin: 28px auto 40px; color: var(--muted); font-size: 1.1rem; line-height: 1.9; }
.hero__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero__note { margin-top: 20px; font-family: var(--mono); font-size: .76rem; color: var(--muted-2); letter-spacing: .04em; }

/* 製品モック */
.hero__mock { margin-top: 76px; max-width: 980px; margin-inline: auto; position: relative; }
.hero__mock::before { content: ""; position: absolute; inset: -2px; border-radius: var(--radius-lg); padding: 1px; background: linear-gradient(160deg, rgba(124,92,255,.7), rgba(34,211,238,.3) 40%, transparent 70%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.mock {
  border-radius: var(--radius-lg); overflow: hidden; background: linear-gradient(180deg, #14151E, #0C0D14);
  border: 1px solid var(--border); box-shadow: 0 40px 120px rgba(0,0,0,.6), 0 0 60px rgba(124,92,255,.12);
}
.mock__bar { display: flex; align-items: center; gap: 8px; padding: 14px 18px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.02); }
.mock__dot { width: 11px; height: 11px; border-radius: 50%; background: var(--border-2); }
.mock__dot:nth-child(1){ background:#FF5F57; } .mock__dot:nth-child(2){ background:#FEBC2E; } .mock__dot:nth-child(3){ background:#28C840; }
.mock__title { margin-left: 12px; font-family: var(--mono); font-size: .76rem; color: var(--muted); }
.mock__body { display: grid; grid-template-columns: 200px 1fr; min-height: 360px; text-align: left; }
.mock__side { border-right: 1px solid var(--border); padding: 18px 14px; display: flex; flex-direction: column; gap: 6px; background: rgba(255,255,255,.012); }
.mock__navitem { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 9px; font-size: .82rem; color: var(--muted); }
.mock__navitem .ic { width: 14px; height: 14px; border-radius: 4px; background: var(--border-2); }
.mock__navitem.is-active { background: var(--grad-soft); color: var(--text); }
.mock__navitem.is-active .ic { background: var(--grad); }
.mock__main { padding: 24px 26px; }
.mock__greeting { font-family: var(--display); font-weight: 600; font-size: 1.15rem; margin-bottom: 4px; }
.mock__greeting .grad-text { font-family: var(--display); }
.mock__hint { font-size: .8rem; color: var(--muted); margin-bottom: 20px; }
.mock__card { background: rgba(255,255,255,.03); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; margin-bottom: 12px; }
.mock__card-h { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.mock__chip { font-family: var(--mono); font-size: .66rem; letter-spacing: .06em; padding: 3px 9px; border-radius: 999px; background: rgba(124,92,255,.16); color: #C0B2FF; border: 1px solid rgba(124,92,255,.3); }
.mock__task { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: .86rem; }
.mock__task:last-child { border-bottom: 0; }
.mock__tick { width: 18px; height: 18px; border-radius: 6px; border: 1.5px solid var(--border-2); flex: none; display: grid; place-items: center; font-size: .7rem; }
.mock__task.done .mock__tick { background: var(--grad); border-color: transparent; color: #0A0A0F; }
.mock__task.done .mock__task-label { color: var(--muted); text-decoration: line-through; }
.mock__task-label { flex: 1; }
.mock__tag { font-family: var(--mono); font-size: .66rem; color: var(--muted-2); }
.mock__ai { margin-top: 16px; display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; border-radius: 12px; background: var(--grad-soft); border: 1px solid rgba(124,92,255,.25); }
.mock__ai .spark { width: 22px; height: 22px; flex: none; border-radius: 7px; background: var(--grad); display: grid; place-items: center; color: #0A0A0F; font-size: .8rem; }
.mock__ai p { font-size: .82rem; color: #D7D2FF; }

/* ---------- ロゴ（社会的証明） ---------- */
.logos { padding-block: 56px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.logos__label { text-align: center; font-family: var(--mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 28px; }
.logos__row { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 16px 48px; }
.logos__row span { font-family: var(--display); font-weight: 600; font-size: 1.2rem; color: var(--muted); opacity: .65; letter-spacing: .02em; transition: opacity .3s, color .3s; }
.logos__row span:hover { opacity: 1; color: var(--text); }

/* ---------- 統計 ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { padding: 30px 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.stat__value { font-family: var(--display); font-weight: 700; font-size: clamp(1.9rem, 1.3rem + 1.8vw, 2.6rem); line-height: 1; }
.stat__value .suffix { font-size: .5em; color: var(--cyan); margin-left: 2px; }
.stat__label { margin-top: 12px; font-size: .86rem; color: var(--muted); }

/* ---------- 課題 ---------- */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problem { padding: 28px 26px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); display: flex; gap: 14px; align-items: flex-start; }
.problem__x { width: 26px; height: 26px; flex: none; border-radius: 8px; display: grid; place-items: center; background: rgba(244,113,181,.12); color: var(--pink); font-size: .9rem; border: 1px solid rgba(244,113,181,.3); }
.problem p { font-size: .94rem; color: var(--text); }

/* ---------- 機能 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature {
  position: relative; padding: 32px 28px; border-radius: var(--radius); background: var(--surface);
  border: 1px solid var(--border); overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, background .4s;
}
.feature::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); padding: 1px; background: linear-gradient(140deg, rgba(124,92,255,.6), transparent 50%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity .4s; pointer-events: none; }
.feature:hover { transform: translateY(-4px); background: var(--surface-2); }
.feature:hover::after { opacity: 1; }
.feature__icon { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--grad-soft); color: var(--cyan); margin-bottom: 20px; border: 1px solid var(--border); }
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-family: var(--display); font-size: 1.18rem; margin-bottom: 10px; }
.feature p { color: var(--muted); font-size: .92rem; }

/* ---------- How it works ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; }
.step { padding: 32px 28px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); }
.step__no { font-family: var(--mono); font-size: .9rem; color: var(--cyan); }
.step__bignum { font-family: var(--display); font-weight: 700; font-size: 2.6rem; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin: 4px 0 16px; }
.step h3 { font-family: var(--display); font-size: 1.3rem; margin-bottom: 10px; }
.step p { color: var(--muted); font-size: .92rem; }

/* ---------- 料金 ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan { position: relative; padding: 34px 30px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); display: flex; flex-direction: column; }
.plan.is-featured { background: linear-gradient(180deg, rgba(124,92,255,.1), rgba(34,211,238,.04)); border-color: rgba(124,92,255,.4); box-shadow: 0 20px 60px rgba(124,92,255,.18); }
.plan__ribbon { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; padding: 5px 16px; border-radius: 999px; background: var(--grad); color: #0A0A0F; font-weight: 600; }
.plan__name { font-family: var(--display); font-size: 1.3rem; font-weight: 600; }
.plan__note { color: var(--muted); font-size: .86rem; margin-top: 6px; min-height: 2.6em; }
.plan__price { margin: 22px 0 4px; font-family: var(--display); font-weight: 700; font-size: 2.6rem; line-height: 1; }
.plan__price .yen { font-size: .42em; color: var(--muted); margin-right: 3px; vertical-align: super; }
.plan__price.is-text { font-size: 1.5rem; }
.plan__unit { font-size: .82rem; color: var(--muted); min-height: 1.4em; }
.plan__list { margin: 26px 0; display: grid; gap: 13px; flex: 1; }
.plan__list li { display: flex; gap: 11px; align-items: flex-start; font-size: .9rem; color: var(--text); }
.plan__list .ck { width: 18px; height: 18px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--grad-soft); color: var(--cyan); font-size: .66rem; margin-top: 3px; }
.plan .btn { width: 100%; }

/* ---------- お客様の声 ---------- */
.tcols { columns: 3; column-gap: 20px; }
.testimonial { break-inside: avoid; margin-bottom: 20px; padding: 26px 24px; border-radius: var(--radius); background: var(--surface); border: 1px solid var(--border); transition: border-color .3s, transform .3s var(--ease); }
.testimonial:hover { border-color: var(--border-2); transform: translateY(-3px); }
.testimonial__comment { font-size: .92rem; color: var(--text); margin-bottom: 20px; }
.testimonial__who { display: flex; align-items: center; gap: 12px; }
.testimonial__avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 1px solid var(--border-2); }
.testimonial__name { font-weight: 600; font-size: .9rem; }
.testimonial__role { font-family: var(--mono); font-size: .72rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 800px; margin-inline: auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-q { width: 100%; text-align: left; background: none; border: 0; color: var(--text); font-family: var(--jp); font-size: 1.02rem; font-weight: 500; padding: 26px 44px 26px 0; position: relative; cursor: pointer; line-height: 1.6; }
.faq-q::after { content: "+"; position: absolute; right: 6px; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--cyan); transition: transform .3s var(--ease); font-weight: 300; }
.faq-item.is-open .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a__inner { padding: 0 44px 26px 0; color: var(--muted); font-size: .94rem; }

/* ---------- CTA ---------- */
.cta-band { position: relative; overflow: hidden; }
.cta-box { position: relative; border-radius: var(--radius-lg); padding: clamp(48px, 7vw, 80px) 32px; text-align: center; background: linear-gradient(150deg, rgba(124,92,255,.16), rgba(34,211,238,.08)); border: 1px solid rgba(124,92,255,.3); overflow: hidden; }
.cta-box::before { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, rgba(124,92,255,.4), transparent 70%); top: -260px; left: 50%; transform: translateX(-50%); filter: blur(60px); pointer-events: none; }
.cta-box h2 { font-family: var(--display); font-size: clamp(1.8rem, 1.3rem + 2vw, 2.8rem); position: relative; }
.cta-box p { color: var(--muted); margin: 18px 0 32px; position: relative; }
.cta-box .hero__actions { position: relative; }

/* ---------- ページヘッダー（下層） ---------- */
.page-hero { padding-top: 148px; padding-bottom: 56px; text-align: center; }
.page-hero h1 { font-family: var(--display); font-size: clamp(2rem, 1.4rem + 2.6vw, 3.2rem); }
.page-hero .lead { margin: 20px auto 0; max-width: 600px; color: var(--muted); }
.breadcrumb { font-family: var(--mono); font-size: .72rem; letter-spacing: .06em; color: var(--muted-2); margin-bottom: 22px; }
.breadcrumb a { transition: color .3s; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb span { margin-inline: 8px; }

/* features 詳細（交互） */
.feat-row { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 6vw, 80px); align-items: center; padding-block: 70px; border-bottom: 1px solid var(--border); }
.feat-row:last-child { border-bottom: 0; }
.feat-row:nth-child(even) .feat-row__visual { order: -1; }
.feat-row__tag { font-family: var(--mono); font-size: .76rem; color: var(--cyan); letter-spacing: .06em; }
.feat-row h2 { font-family: var(--display); font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.1rem); margin: 10px 0 16px; }
.feat-row p { color: var(--muted); margin-bottom: 18px; }
.feat-row__list { display: grid; gap: 12px; }
.feat-row__list li { display: flex; gap: 11px; align-items: flex-start; font-size: .92rem; }
.feat-row__list .ck { width: 18px; height: 18px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--grad-soft); color: var(--cyan); font-size: .66rem; margin-top: 3px; }
.feat-row__visual { border-radius: var(--radius-lg); border: 1px solid var(--border); background: linear-gradient(160deg, #14151E, #0B0C12); aspect-ratio: 4/3; position: relative; overflow: hidden; display: grid; place-items: center; }
.feat-row__visual::before { content: ""; position: absolute; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(124,92,255,.35), transparent 70%); filter: blur(50px); }
.feat-row__glyph { position: relative; width: 90px; height: 90px; border-radius: 22px; background: var(--grad); display: grid; place-items: center; color: #0A0A0F; box-shadow: 0 20px 50px rgba(124,92,255,.4); }
.feat-row__glyph svg { width: 46px; height: 46px; }

/* ---------- contact / form ---------- */
.form-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.form-card { padding: 38px 34px; border-radius: var(--radius-lg); background: var(--surface); border: 1px solid var(--border); }
.form-field { margin-bottom: 22px; }
.form-field label { display: block; font-size: .88rem; font-weight: 500; margin-bottom: 9px; }
.form-field .req { font-family: var(--mono); font-size: .64rem; color: var(--violet); margin-left: 8px; }
.form-field .opt { font-family: var(--mono); font-size: .64rem; color: var(--muted-2); margin-left: 8px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 13px 15px; font: inherit; font-size: .95rem; color: var(--text);
  background: rgba(255,255,255,.02); border: 1px solid var(--border); border-radius: 10px;
  transition: border-color .25s, box-shadow .25s;
}
.form-field input::placeholder, .form-field textarea::placeholder { color: var(--muted-2); }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,92,255,.18); }
.form-field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239A9CAC' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; }
.form-field textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field.has-error input, .form-field.has-error textarea, .form-field.has-error select { border-color: #F471B5; background: rgba(244,113,181,.06); }
.field-error { color: #F9A8D4; font-size: .82rem; margin-top: 7px; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: .78rem; color: var(--muted-2); margin-top: 4px; line-height: 1.8; }
.form-aside h2 { font-family: var(--display); font-size: 1.3rem; margin-bottom: 18px; }
.form-aside .perk { display: flex; gap: 12px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--border); }
.form-aside .perk .ck { width: 22px; height: 22px; flex: none; border-radius: 7px; display: grid; place-items: center; background: var(--grad-soft); color: var(--cyan); font-size: .76rem; }
.form-aside .perk p { font-size: .9rem; }
.form-aside .perk small { color: var(--muted); font-size: .8rem; }

.alert { padding: 15px 18px; border-radius: 12px; margin-bottom: 26px; font-size: .92rem; }
.alert--error { background: rgba(244,113,181,.08); border: 1px solid rgba(244,113,181,.35); color: #F9A8D4; }

.thanks { text-align: center; max-width: 600px; margin-inline: auto; padding-top: 60px; }
.thanks__icon { width: 84px; height: 84px; border-radius: 24px; background: var(--grad); display: grid; place-items: center; margin: 0 auto 28px; color: #0A0A0F; box-shadow: 0 20px 50px rgba(124,92,255,.4); }
.thanks__icon svg { width: 42px; height: 42px; }
.thanks h1 { font-family: var(--display); font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.6rem); margin-bottom: 18px; }
.thanks p { color: var(--muted); margin-bottom: 14px; }

/* ---------- フッター ---------- */
.site-footer { border-top: 1px solid var(--border); padding-top: 72px; margin-top: 40px; background: linear-gradient(180deg, transparent, rgba(124,92,255,.04)); }
.footer-inner { max-width: var(--maxw); margin-inline: auto; padding: 0 var(--gutter) 56px; display: grid; grid-template-columns: 1.4fr 2fr; gap: 56px; }
.footer-tagline { color: var(--muted); font-size: .9rem; margin-top: 18px; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr 1.3fr; gap: 32px; }
.footer-col h2 { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; font-weight: 500; }
.footer-col ul { display: grid; gap: 12px; }
/* ボタン（グラデ地＋濃い文字）には灰色のリンク色をかけない */
.footer-col a:not(.btn) { font-size: .9rem; color: var(--muted); }
.footer-col a:not(.btn):hover { color: var(--text); }
.footer-cta p { font-size: .86rem; color: var(--muted); margin-bottom: 16px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 22px var(--gutter); max-width: var(--maxw); margin-inline: auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }
.sample-note { font-size: .78rem; color: var(--cyan); }
.copyright { font-family: var(--mono); font-size: .74rem; color: var(--muted-2); }

/* ---------- to-top ---------- */
.to-top { position: fixed; right: 24px; bottom: 24px; z-index: 90; width: 48px; height: 48px; border-radius: 13px; border: 1px solid var(--border); background: var(--bg-2); color: var(--cyan); font-size: 1.1rem; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .35s, visibility .35s, transform .35s, border-color .3s; }
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { border-color: var(--cyan); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"]{ transition-delay:.09s; } .reveal[data-delay="2"]{ transition-delay:.18s; } .reveal[data-delay="3"]{ transition-delay:.27s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity:1; transform:none; transition:none; } html { scroll-behavior:auto; } }

/* ---------- レスポンシブ ---------- */
@media (max-width: 980px) {
  :root { --section-pad: 88px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid, .problem-grid, .steps, .plans { grid-template-columns: 1fr; }
  .tcols { columns: 2; }
  .feat-row, .form-wrap { grid-template-columns: 1fr; gap: 36px; }
  .feat-row:nth-child(even) .feat-row__visual { order: 0; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .mock__body { grid-template-columns: 1fr; }
  .mock__side { display: none; }
}

/* ナビはタブレット幅（980px以下）からハンバーガーに切り替える */
@media (max-width: 980px) {
  .header-actions { display: none; }
  .nav-toggle { display: flex; }
  .global-nav { position: fixed; inset: 72px 0 auto 0; background: rgba(8,8,12,.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); transform: translateY(-130%); transition: transform .4s var(--ease); max-height: calc(100vh - 72px); overflow-y: auto; }
  .global-nav.is-open { transform: translateY(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; padding: 10px 0; }
  .nav-list > li { border-bottom: 1px solid var(--border); }
  .nav-link { display: block; padding: 16px 22px; }
  .nav-link.is-active::after { display: none; }
  .nav-actions-mobile { display: flex; flex-direction: column; gap: 12px; padding: 18px 22px; border-bottom: 0 !important; }
  .nav-actions-mobile .btn { width: 100%; }
  .nav-toggle.is-open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.is-open span:nth-child(2){ opacity: 0; }
  .nav-toggle.is-open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 680px) {
  :root { --gutter: 18px; }
  .tcols { columns: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .hero { padding-top: 130px; }
  .hero__actions .btn { flex: 1; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  /* フッター：スマホではリンク2列＋「今すぐ始める」を下に全幅で */
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
  .footer-cta { grid-column: 1 / -1; }
}