/* StepAI LP。配色は 2026-10-05 の画像制作指示書（青＋黄色のボタン）に合わせる */
:root {
  --blue: #1f5fbf;
  --navy: #143f86;
  --pale: #eef3fc;
  --yellow: #ffc233;
  --ink: #26304a;
  --ink-2: #55607a;
  --line: #dbe3f1;
  --white: #fff;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-size: 16px;
  line-height: 1.85;
  -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); }
.inner { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.inner.narrow { max-width: 720px; }
.center { text-align: center; }
.br-sp { display: none; }
@media (max-width: 820px) { .br-sp { display: inline; } }

/* ヘッダー */
.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255, 255, 255, 0.95); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 900; font-size: 20px; color: var(--navy); text-decoration: none; margin: 0; }
.brand img { border-radius: 8px; }
.brand.small { font-size: 16px; }
.header-nav { display: flex; gap: 20px; font-size: 14px; }
.header-nav a { color: var(--ink); text-decoration: none; font-weight: 500; }
.header-nav a.login { color: var(--blue); border: 1px solid var(--blue); border-radius: 999px; padding: 4px 14px; }
@media (max-width: 640px) { .header-nav a:not(.login) { display: none; } }

/* ボタン。揺らす（LP の決まり）。hover は transform を使わず明るさで */
.cta-wrap { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta-wrap.center { justify-content: center; }
.cta-btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 60px; padding: 0 32px; border-radius: 999px;
  background: var(--yellow); color: var(--navy); font-weight: 900; font-size: 18px;
  text-decoration: none; border: 0; cursor: pointer;
  box-shadow: 0 6px 0 #d99a0b;
  animation: ctaPulse 2s ease-in-out infinite; will-change: transform;
  transition: filter 0.15s;
}
.cta-btn:hover { filter: brightness(1.06); }
.cta-btn:active { filter: brightness(0.95); }
.cta-btn.full { width: 100%; }
.cta-btn[disabled] { filter: grayscale(0.4) brightness(0.95); cursor: wait; }
@keyframes ctaPulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }
@media (prefers-reduced-motion: reduce) { .cta-btn { animation: none; } }
.sub-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 60px; padding: 0 26px;
  border-radius: 999px; background: var(--white); color: var(--blue); font-weight: 700; font-size: 16px;
  text-decoration: none; border: 2px solid var(--blue); transition: filter 0.15s;
}
.sub-btn:hover { filter: brightness(0.97); }

/* ファーストビュー */
.hero { background: linear-gradient(160deg, var(--pale) 0%, #dde8fb 100%); padding: 56px 0 72px; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; }
.eyebrow { display: inline-block; margin: 0 0 12px; padding: 4px 14px; border-radius: 999px; background: var(--white); color: var(--blue); font-size: 13px; font-weight: 700; }
.hero h1 { margin: 0; font-size: 40px; line-height: 1.4; color: var(--navy); font-weight: 900; letter-spacing: 0.02em; }
.hero-lead { margin: 18px 0 0; font-size: 17px; color: var(--ink); }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.hero-badges li { background: var(--white); border-radius: 12px; padding: 8px 14px; font-size: 15px; font-weight: 700; color: var(--navy); box-shadow: 0 2px 6px rgba(20, 63, 134, 0.08); }
.hero-badges b { display: block; font-size: 11.5px; color: var(--ink-2); font-weight: 500; }
.browser { background: var(--white); border-radius: 14px; box-shadow: 0 24px 60px -20px rgba(20, 63, 134, 0.45); overflow: hidden; border: 1px solid var(--line); }
.browser-bar { display: flex; gap: 6px; padding: 10px 12px; background: #f3f6fb; border-bottom: 1px solid var(--line); }
.browser-bar span { width: 10px; height: 10px; border-radius: 50%; background: #cfd8e8; }

/* セクション共通 */
.section { padding: 80px 0; }
.section-title { margin: 0 0 16px; text-align: center; font-size: 30px; line-height: 1.5; color: var(--navy); font-weight: 900; text-wrap: balance; }
.section-title.small { font-size: 22px; }
.section-lead { margin: 0 auto 36px; max-width: 760px; font-size: 16.5px; text-align: justify; }
.section-lead.center { text-align: center; }
.notes { margin: 20px 0 0; padding-left: 1.2em; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.notes.center { list-style: none; padding: 0; text-align: center; }

/* お悩み */
.worries { background: var(--white); }
.worry-list { max-width: 680px; margin: 0 auto; padding: 0; list-style: none; display: grid; gap: 12px; }
.worry-list li { position: relative; padding: 16px 18px 16px 52px; border-radius: 12px; background: var(--pale); font-weight: 500; }
.worry-list li::before { content: "✓"; position: absolute; left: 18px; top: 50%; transform: translateY(-50%); width: 22px; height: 22px; border-radius: 50%; background: var(--blue); color: var(--white); font-size: 13px; line-height: 22px; text-align: center; }
.worries-after { margin: 28px 0 0; text-align: center; font-size: 18px; font-weight: 700; color: var(--navy); }

/* 考え方 */
.idea { background: var(--pale); }
.idea-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.idea-card { background: var(--white); border-radius: var(--radius); padding: 26px 22px; text-align: center; box-shadow: 0 4px 16px rgba(20, 63, 134, 0.06); }
.idea-num { margin: 0; font-size: 42px; font-weight: 900; color: var(--blue); line-height: 1.2; }
.idea-card h3 { margin: 8px 0 4px; font-size: 18px; color: var(--navy); }
.idea-card p:last-child { margin: 0; color: var(--ink-2); font-size: 14.5px; }

/* シミュレーター */
.sim-box { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 24px; background: var(--white); border: 2px solid var(--blue); border-radius: 20px; padding: 28px; }
.sim-inputs { display: grid; gap: 18px; align-content: start; }
.sim-inputs label { display: grid; gap: 6px; font-weight: 700; font-size: 15px; }
.sim-inputs small { font-weight: 400; color: var(--ink-2); font-size: 12.5px; }
.unit-wrap { display: flex; align-items: center; gap: 8px; }
.unit-wrap input { width: 0; flex: 1; min-height: 52px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; font-size: 20px; font-weight: 700; color: var(--ink); font-family: inherit; }
.unit-wrap input:focus { outline: 3px solid rgba(31, 95, 191, 0.25); border-color: var(--blue); }
.sim-result { background: var(--pale); border-radius: 14px; padding: 20px; }
.sim-sends { margin: 0 0 12px; text-align: center; color: var(--ink-2); }
.sim-sends b { color: var(--ink); font-size: 18px; }
.sim-cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
.sim-col { background: var(--white); border-radius: 12px; padding: 14px; text-align: center; }
.sim-col.ours { border: 2px solid var(--blue); }
.sim-label { margin: 0; font-size: 12.5px; color: var(--ink-2); line-height: 1.5; min-height: 2.9em; display: flex; align-items: center; justify-content: center; }
.sim-price { margin: 4px 0 0; font-size: 15px; }
.sim-price b { font-size: 30px; font-weight: 900; }
.sim-col.ours .sim-price b { color: var(--blue); }
.sim-price small { font-size: 12px; color: var(--ink-2); }
.sim-plan { margin: 2px 0 0; font-size: 13px; color: var(--ink-2); }
.sim-diff { margin: 16px 0 0; text-align: center; font-size: 18px; font-weight: 700; color: var(--navy); }
.sim-diff b { font-size: 26px; color: #d14b00; }
.sim-line { margin: 10px 0 0; font-size: 13px; color: var(--ink-2); text-align: center; }

/* 機能 */
.features { background: var(--white); }
.feature-row { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 36px; align-items: center; margin-top: 48px; }
.feature-row.reverse .feature-text { order: 2; }
.feature-text h3 { margin: 0 0 10px; font-size: 22px; color: var(--navy); line-height: 1.5; text-wrap: balance; }
.feature-text p { margin: 0; text-align: justify; }
.feature-img img { border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 12px 32px -14px rgba(20, 63, 134, 0.35); }
.chips-title { margin: 56px 0 14px; text-align: center; font-size: 18px; color: var(--navy); }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li { padding: 6px 14px; border-radius: 999px; background: var(--pale); color: var(--navy); font-size: 14px; font-weight: 500; }

/* 料金 */
.price { background: var(--pale); }
.plans { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; align-items: stretch; }
.plan { position: relative; background: var(--white); border-radius: var(--radius); padding: 24px 18px; border: 1px solid var(--line); }
.plan.recommended { border: 2px solid var(--blue); box-shadow: 0 10px 28px -12px rgba(31, 95, 191, 0.5); }
.plan-tag { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); margin: 0; padding: 2px 14px; border-radius: 999px; background: var(--blue); color: var(--white); font-size: 12.5px; font-weight: 700; white-space: nowrap; }
.plan-name { margin: 0; font-weight: 900; font-size: 18px; color: var(--navy); text-align: center; }
.plan-price { margin: 6px 0 0; text-align: center; }
.plan-price b { font-size: 32px; font-weight: 900; }
.plan-price small { color: var(--ink-2); }
.plan-target { margin: 4px 0 12px; text-align: center; font-size: 13px; color: var(--ink-2); line-height: 1.6; }
.plan ul { margin: 0; padding: 12px 0 0; border-top: 1px dashed var(--line); list-style: none; display: grid; gap: 6px; font-size: 14px; line-height: 1.6; }
.plan li::before { content: "・"; color: var(--blue); }
.promises { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 28px 0 0; padding: 0; list-style: none; }
.promises li { padding: 6px 14px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); font-size: 14px; font-weight: 700; color: var(--navy); }
.promises li::before { content: "✓ "; color: #1a9b5b; }

/* 流れ */
.flow-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.flow-list li { background: var(--pale); border-radius: var(--radius); padding: 22px 18px; text-align: center; }
.flow-step { margin: 0 auto 8px; width: 40px; height: 40px; border-radius: 50%; background: var(--blue); color: var(--white); font-weight: 900; font-size: 18px; line-height: 40px; }
.flow-list h3 { margin: 0 0 6px; color: var(--navy); font-size: 18px; }
.flow-list p:last-child { margin: 0; font-size: 14px; color: var(--ink-2); text-align: left; }
.flow-note { margin: 22px 0 0; text-align: center; font-weight: 700; }

/* これからの予定 */
.roadmap { background: var(--pale); }
.roadmap-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.roadmap-list li { background: var(--white); border-radius: var(--radius); padding: 20px; }
.roadmap-list .tag { display: inline-block; padding: 1px 10px; border-radius: 6px; background: var(--pale); color: var(--blue); font-size: 12px; font-weight: 700; }
.roadmap-list h3 { margin: 8px 0 4px; font-size: 17px; color: var(--navy); }
.roadmap-list p { margin: 0; font-size: 14.5px; color: var(--ink-2); text-align: justify; }

/* よくある質問 */
.faq .inner { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); padding: 4px 0; }
.faq summary { cursor: pointer; padding: 16px 32px 16px 0; font-weight: 700; color: var(--navy); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; position: absolute; right: 4px; top: 16px; color: var(--blue); }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 0 0 16px; color: var(--ink); text-align: justify; }

/* 申し込み */
.apply { background: linear-gradient(160deg, var(--pale) 0%, #dde8fb 100%); }
.apply-form { display: grid; gap: 16px; background: var(--white); border-radius: 20px; padding: 28px; box-shadow: 0 12px 32px -16px rgba(20, 63, 134, 0.35); }
.apply-form label { display: grid; gap: 6px; font-weight: 700; font-size: 15px; }
.lbl { display: block; }
.apply-form input, .apply-form select, .apply-form textarea { width: 100%; min-height: 50px; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 16px; font-family: inherit; color: var(--ink); background: var(--white); }
.apply-form textarea { min-height: 110px; }
.apply-form input:focus, .apply-form select:focus, .apply-form textarea:focus { outline: 3px solid rgba(31, 95, 191, 0.25); border-color: var(--blue); }
.req, .opt { margin-left: 8px; padding: 1px 8px; border-radius: 6px; font-size: 11.5px; vertical-align: 1px; }
.req { background: #d14b00; color: var(--white); }
.opt { background: var(--pale); color: var(--ink-2); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.agree { margin: 0; font-size: 13.5px; text-align: center; }
.form-error { margin: 0; color: #c0392b; font-weight: 700; text-align: center; min-height: 0; }
.form-error:empty { display: none; }
.apply-done { background: var(--white); border-radius: 20px; padding: 32px; text-align: center; }
.done-title { margin: 0 0 8px; font-size: 22px; font-weight: 900; color: var(--navy); }

/* 運営会社 */
.company dl { display: grid; grid-template-columns: 8em minmax(0, 1fr); gap: 10px 16px; margin: 0; }
.company dt { font-weight: 700; color: var(--ink-2); }
.company dd { margin: 0; }

/* フッター */
.site-footer { background: var(--navy); color: #dbe5f7; padding: 32px 0 96px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.site-footer .brand { color: var(--white); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 13.5px; }
.site-footer a { color: #dbe5f7; }
.copy { margin: 0; font-size: 12.5px; }

/* 画面の下に付いてくるボタン（スマホ） */
.sticky-cta { position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); background: rgba(255, 255, 255, 0.95); border-top: 1px solid var(--line); display: none; }
.sticky-cta .cta-btn { width: 100%; min-height: 54px; font-size: 16px; }
.sticky-cta.show { display: block; }
@media (min-width: 821px) { .sticky-cta { display: none !important; } .site-footer { padding-bottom: 32px; } }

/* タブレット・スマホ */
@media (max-width: 960px) {
  .plans { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; }
  .flow-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .hero { padding: 36px 0 48px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 16px; text-align: justify; }
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .idea-cards { grid-template-columns: minmax(0, 1fr); }
  .sim-box { grid-template-columns: minmax(0, 1fr); padding: 20px; }
  .feature-row { grid-template-columns: minmax(0, 1fr); gap: 16px; margin-top: 36px; }
  .feature-row.reverse .feature-text { order: 0; }
  .roadmap-list { grid-template-columns: minmax(0, 1fr); }
  .cta-wrap { flex-direction: column; }
  .cta-btn, .sub-btn { width: 100%; }
}
@media (max-width: 520px) {
  .plans { grid-template-columns: minmax(0, 1fr); }
  .sim-cols { grid-template-columns: minmax(0, 1fr); }
  .sim-label { min-height: 0; }
  .flow-list { grid-template-columns: minmax(0, 1fr); }
  .company dl { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .company dd { margin-bottom: 10px; }
}
@media (max-width: 420px) {
  .inner { padding: 0 16px; }
  .hero h1 { font-size: 26px; }
  .cta-btn { font-size: 16px; padding: 0 18px; }
  .sim-price b { font-size: 24px; }
  .apply-form { padding: 20px 16px; }
}

/* ───── 2026-10-07 UI/UX の見直し ───── */
:focus-visible { outline: 3px solid rgba(31, 95, 191, 0.45); outline-offset: 2px; }
.header-cta { display: inline-flex; align-items: center; padding: 6px 16px; border-radius: 999px; background: var(--yellow); color: var(--navy) !important; font-weight: 700; text-decoration: none; }
.header-cta:hover { filter: brightness(1.05); }
@media (max-width: 640px) { .header-cta { display: none; } }

/* ファーストビュー：人物は管理画面の右下に重ねる（画像が無ければ何も出ない） */
.hero-visual { position: relative; }
.hero-people { position: absolute; right: -24px; bottom: -72px; width: 46%; max-width: 300px; z-index: 2; filter: drop-shadow(0 12px 24px rgba(20, 63, 134, 0.18)); }
.hero-visual:has(.hero-people) .browser { margin-right: 18%; }
.hero-trust { margin: 14px 0 0; font-size: 14px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.hero-trust::before { content: "✓"; color: #1a9b5b; font-weight: 900; }
@media (max-width: 820px) {
  .hero-people { right: -8px; bottom: -40px; width: 42%; }
  .hero-visual:has(.hero-people) .browser { margin-right: 22%; }
}

/* こんな方に */
.segments { padding-top: 72px; }
.seg-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.seg-card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 6px 20px -12px rgba(20, 63, 134, 0.3); }
.seg-media { position: relative; aspect-ratio: 4 / 3; background: linear-gradient(140deg, var(--pale), #d8e5fb); display: grid; place-items: center; }
.seg-media svg, .support-media svg, .staff-face svg { width: 56px; height: 56px; fill: none; stroke: var(--blue); stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.seg-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.seg-body { padding: 18px 20px 22px; }
.seg-body h3 { margin: 0 0 6px; font-size: 18px; color: var(--navy); line-height: 1.5; }
.seg-body p { margin: 0; font-size: 14.5px; color: var(--ink-2); text-align: justify; }

/* お悩み：人物の画像があれば横に並べる */
.worry-wrap { max-width: 680px; margin: 0 auto; }
.worry-wrap:has(.worry-img) { max-width: 900px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 28px; align-items: center; }
.worry-img { width: 100%; }

/* シミュレーター：よくある例 */
.sim-presets { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; margin: 0 0 16px; font-size: 14px; color: var(--ink-2); }
.sim-presets button { min-height: 40px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--white); color: var(--navy); font: inherit; font-weight: 700; cursor: pointer; }
.sim-presets button:hover { border-color: var(--blue); }
.sim-presets button.on { background: var(--blue); border-color: var(--blue); color: var(--white); }

/* 流れ・サポート */
.flow-img { width: 120px; height: 120px; object-fit: contain; margin: 0 auto 6px; }
.support { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px; align-items: center; margin-top: 40px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.support-media { position: relative; aspect-ratio: 4 / 3; border-radius: 14px; overflow: hidden; background: linear-gradient(140deg, var(--pale), #d8e5fb); display: grid; place-items: center; }
.support-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.support-body h3 { margin: 0 0 10px; font-size: 22px; color: var(--navy); }
.support-body ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.support-body li { position: relative; padding-left: 26px; }
.support-body li::before { content: "✓"; position: absolute; left: 0; color: #1a9b5b; font-weight: 900; }

/* 申し込み：運営からのひとこと */
.staff { display: flex; align-items: center; gap: 16px; max-width: 640px; margin: 0 auto 24px; }
.staff-face { position: relative; flex: none; width: 72px; height: 72px; border-radius: 50%; overflow: hidden; background: var(--white); border: 3px solid var(--white); box-shadow: 0 4px 12px rgba(20, 63, 134, 0.15); display: grid; place-items: center; }
.staff-face svg { width: 40px; height: 40px; }
.staff-face img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.staff-msg { position: relative; margin: 0; background: var(--white); border-radius: 14px; padding: 12px 16px; font-size: 14.5px; line-height: 1.7; }

@media (max-width: 960px) {
  .seg-cards { grid-template-columns: minmax(0, 1fr); max-width: 560px; margin: 0 auto; }
  .seg-card { display: grid; grid-template-columns: 200px minmax(0, 1fr); }
  .seg-media { aspect-ratio: auto; min-height: 150px; }
}
@media (max-width: 820px) {
  .worry-wrap:has(.worry-img) { grid-template-columns: minmax(0, 1fr); }
  .worry-img { max-width: 220px; margin: 0 auto; }
  .support { grid-template-columns: minmax(0, 1fr); padding: 18px; }
}
@media (max-width: 520px) {
  .seg-card { grid-template-columns: minmax(0, 1fr); }
  .seg-media { aspect-ratio: 16 / 9; min-height: 0; }
  .staff { align-items: flex-start; }
  .staff-face { width: 56px; height: 56px; }
}
@media (max-width: 520px) { .flow-img { width: 96px; height: 96px; } }