/* styles.css */
:root{
  --bg: #0b1220;
  --bg2:#0a1427;
  --card:#0f1b33;
  --paper:#ffffff;
  --text:#0f172a;
  --muted:#5b6475;
  --border:#e5e7eb;
  --shadow: 0 10px 30px rgba(0,0,0,.12);
  --shadow2: 0 18px 60px rgba(0,0,0,.18);
  --brand:#2563eb;
  --brand2:#7c5cff;
  --ok:#16a34a;
  --warn:#f59e0b;
  --radius: 16px;
  --radius2: 22px;
  --max: 1100px;
}

*{ box-sizing: border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans JP", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: #f6f7fb;
  line-height: 1.65;
}

a{ color: inherit; text-decoration: none; }
strong{ font-weight: 800; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.header{
  position: sticky;
  top:0;
  z-index: 50;
  background: rgba(246,247,251,.7);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,231,235,.8);
}

.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight: 900;
  letter-spacing: .2px;
}

.brand__mark{
  width: 34px;
  height: 34px;
  display:grid;
  place-items:center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff;
  box-shadow: 0 10px 26px rgba(37,99,235,.25);
}

.brand__text{ font-size: 14px; }

.nav{
  display:flex;
  align-items:center;
  gap: 16px;
  font-size: 13px;
  color: #364152;
}

.nav a{
  padding: 8px 10px;
  border-radius: 10px;
}

.nav a:hover{
  background: rgba(15,23,42,.06);
}

.nav__cta{
  background: #111827;
  color:#fff !important;
  box-shadow: 0 10px 22px rgba(17,24,39,.18);
}

.nav__cta:hover{
  background: #0b1220 !important;
}

/* Hero */
.hero{
  position: relative;
  padding: 56px 0 24px;
  overflow:hidden;
}

.hero__inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 26px;
  align-items: start;
  position: relative;
  z-index: 1;
}

.hero__bg{
  position:absolute;
  inset: -120px -140px auto -140px;
  height: 520px;
  background:
    radial-gradient(600px 260px at 20% 20%, rgba(37,99,235,.22), transparent 70%),
    radial-gradient(520px 260px at 68% 35%, rgba(124,92,255,.18), transparent 70%),
    radial-gradient(520px 280px at 30% 70%, rgba(17,24,39,.10), transparent 70%);
  z-index:0;
  pointer-events:none;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  color: #1f3a8a;
  background: rgba(37,99,235,.10);
  border: 1px solid rgba(37,99,235,.18);
}

.hero__title{
  margin: 14px 0 10px;
  font-size: 44px;
  line-height: 1.12;
  letter-spacing: -0.6px;
}

.hero__lead{
  margin: 0 0 18px;
  color: #364152;
  font-size: 15.5px;
}

.hero__cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0 18px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding: 12px 16px;
  border-radius: 12px;
  font-weight: 800;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .08s ease, opacity .15s ease, background .15s ease, border-color .15s ease;
}

.btn:active{ transform: translateY(1px); }
.btn--primary{
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  color: #fff;
  box-shadow: 0 18px 40px rgba(37,99,235,.25);
}
.btn--primary:hover{ opacity: .92; }
.btn--ghost{
  background: #fff;
  border-color: var(--border);
  color: #111827;
}
.btn--ghost:hover{ background: #f3f4f6; }
.btn--full{ width: 100%; }

.hero__meta{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.metaCard{
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(229,231,235,.9);
  border-radius: 14px;
  padding: 12px 12px;
  box-shadow: 0 10px 26px rgba(0,0,0,.06);
}

.metaCard__label{
  font-size: 11px;
  color: #6b7280;
  font-weight: 700;
}

.metaCard__value{
  margin-top: 3px;
  font-weight: 900;
  color: #111827;
  font-size: 13px;
}

.panel{
  background: #ffffff;
  border: 1px solid rgba(229,231,235,.9);
  border-radius: var(--radius2);
  padding: 20px 20px;
  box-shadow: var(--shadow);
}

.panel__title{
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 10px;
  color: #111827;
}

.checklist{
  margin: 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 10px;
}

.checklist li{
  position: relative;
  padding-left: 28px;
  color: #374151;
  font-size: 14px;
}

.checklist li::before{
  content: "✓";
  position:absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  display:grid;
  place-items:center;
  background: rgba(22,163,74,.10);
  color: var(--ok);
  font-weight: 900;
  border: 1px solid rgba(22,163,74,.18);
}

.panel__note{
  margin-top: 16px;
  padding: 14px 14px;
  border-radius: 14px;
  background: #fffbeb;
  border: 1px solid rgba(245,158,11,.25);
}

.note__title{
  font-weight: 900;
  font-size: 12px;
  color: #92400e;
  margin-bottom: 4px;
}

.note__text{
  margin: 0;
  font-size: 13px;
  color: #78350f;
}

/* Trust */
.trust{
  padding: 14px 0 6px;
}

.trust__inner{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.trustItem{
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(229,231,235,.9);
  border-radius: 14px;
  padding: 12px 12px;
}

.trustItem__kpi{
  font-weight: 950;
  color:#111827;
  font-size: 13px;
}

.trustItem__text{
  margin-top: 2px;
  font-size: 12px;
  color: #6b7280;
}

/* Sections */
.section{
  padding: 56px 0;
}

.section--alt{
  background: #f1f5ff;
}

.section--cta{
  background: linear-gradient(135deg, rgba(37,99,235,.10), rgba(124,92,255,.08));
}

.sectionHead{
  max-width: 820px;
  margin-bottom: 22px;
}

.sectionHead h2{
  margin: 0 0 6px;
  font-size: 28px;
  letter-spacing: -0.3px;
}

.sectionHead p{
  margin: 0;
  color: #4b5563;
  font-size: 14.5px;
}

/* Grid / Cards */
.grid{
  display:grid;
  gap: 14px;
}

.grid--3{ grid-template-columns: repeat(3, 1fr); }
.grid--2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,.06);
}

.card__icon{
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  background: rgba(37,99,235,.10);
  border: 1px solid rgba(37,99,235,.20);
  margin-bottom: 10px;
  font-size: 18px;
}

.card h3{
  margin: 0 0 6px;
  font-size: 16px;
}

.card p{
  margin: 0;
  color: #4b5563;
  font-size: 14px;
}

/* Features */
.feature{
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 10px 24px rgba(0,0,0,.05);
}

.feature__title{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 950;
  margin-bottom: 6px;
}

.feature__num{
  width: 30px;
  height: 30px;
  display:grid;
  place-items:center;
  border-radius: 10px;
  background: rgba(124,92,255,.12);
  border: 1px solid rgba(124,92,255,.22);
  color: #3b2fb8;
  font-size: 12px;
}

.feature__text{
  margin: 0;
  color: #4b5563;
  font-size: 14px;
}

.callout{
  margin-top: 18px;
  padding: 16px 16px;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid rgba(37,99,235,.18);
  box-shadow: 0 10px 24px rgba(0,0,0,.04);
}

.callout__title{
  font-weight: 950;
  margin-bottom: 4px;
  color: #111827;
}

.callout__text{
  margin: 0;
  color: #374151;
  font-size: 14px;
}

/* Pricing */
.pricing{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 14px;
  align-items: stretch;
}

.priceCard{
  position: relative;
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: var(--radius2);
  padding: 20px 20px;
  box-shadow: var(--shadow);
}

.priceCard--main{
  border-color: rgba(37,99,235,.25);
  box-shadow: var(--shadow2);
}

.priceCard__badge{
  position:absolute;
  top: 16px;
  right: 16px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 950;
  background: rgba(37,99,235,.12);
  border: 1px solid rgba(37,99,235,.22);
  color: #1f3a8a;
}

.priceCard h3{
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 950;
}

.priceCard__price{
  display:flex;
  align-items: baseline;
  gap: 6px;
  margin: 6px 0 2px;
}

.priceCard__price .yen{ font-weight: 900; color:#111827; }
.priceCard__price .num{ font-size: 44px; font-weight: 1000; letter-spacing: -1px; }
.priceCard__price .unit{ font-size: 14px; font-weight: 800; color:#374151; }

.priceCard__sub{
  color:#6b7280;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 12px;
}

.bullets{
  margin: 0 0 14px;
  padding-left: 18px;
  color:#374151;
  font-size: 14px;
}

.bullets li{ margin: 6px 0; }

.fineprint{
  margin-top: 12px;
  color:#6b7280;
  font-size: 12.5px;
}

/* Steps */
.steps{
  margin: 0;
  padding: 0;
  list-style: none;
  display:grid;
  gap: 12px;
}

.step{
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: var(--radius);
  padding: 16px 16px;
  box-shadow: 0 10px 24px rgba(0,0,0,.04);
}

.step__head{
  display:flex;
  align-items:center;
  gap: 10px;
  margin-bottom: 6px;
}

.step__num{
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display:grid;
  place-items:center;
  background: rgba(22,163,74,.10);
  border: 1px solid rgba(22,163,74,.20);
  color: var(--ok);
  font-weight: 1000;
}

.step__title{
  font-weight: 950;
}

.step__text{
  margin: 0;
  color: #4b5563;
  font-size: 14px;
}

/* =========================
   FAQ
========================= */
.faqItem {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.faqItem h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.faqItem p {
  color: var(--text-sub);
}


/* About */
.about{
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: var(--radius2);
  padding: 20px 20px;
  box-shadow: var(--shadow);
}

.about__profile{
  display:flex;
  align-items:center;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(229,231,235,.9);
  margin-bottom: 14px;
}

.avatar{
  width: 54px;
  height: 54px;
  border-radius: 18px;
  display:grid;
  place-items:center;
  font-weight: 1000;
  color:#fff;
  background: linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow: 0 18px 40px rgba(37,99,235,.25);
}

.name{
  font-weight: 1000;
  font-size: 16px;
}

.tags{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.tag{
  font-size: 12px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 999px;
  background: #f3f4f6;
  border: 1px solid rgba(229,231,235,.95);
  color:#374151;
}

.about__text p{
  margin: 0 0 10px;
  color:#374151;
  font-size: 14.5px;
}

.about__text p:last-child{ margin-bottom: 0; }

/* Contact */
.ctaBox{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  background: #fff;
  border: 1px solid rgba(229,231,235,.95);
  border-radius: 22px;
  padding: 22px 22px;
  box-shadow: var(--shadow2);
}

.ctaBox__copy h2{
  margin: 0 0 8px;
  font-size: 26px;
}

.ctaBox__copy p{
  margin: 0;
  color:#4b5563;
  font-size: 14.5px;
}

.form{
  display:grid;
  gap: 12px;
}

.formRow{
  display:grid;
  gap: 6px;
}

.formLabel{
  font-size: 13px;
  font-weight: 900;
  color:#374151;
}

.formInput, .formTextarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(209,213,219,.9);
  background: #fff;
  font-size: 14px;
}

.formInput:focus, .formTextarea:focus{
  outline: none;
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}

.formNote{
  margin: 0;
  color:#6b7280;
  font-size: 12px;
}

/* Footer */
.footer{
  padding: 26px 0;
  border-top: 1px solid rgba(229,231,235,.9);
  background: #ffffff;
}

.footer__inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 14px;
}

.brand--footer .brand__mark{ width: 30px; height: 30px; border-radius: 10px; }
.brand--footer .brand__text{ font-size: 13px; }

.footer__small{
  margin-top: 8px;
  color:#6b7280;
  font-size: 12px;
}

.footer__right{
  display:flex;
  gap: 14px;
  color:#4b5563;
  font-size: 13px;
}

.footer__right a{
  padding: 8px 10px;
  border-radius: 10px;
}

.footer__right a:hover{
  background: rgba(15,23,42,.06);
}

/* Responsive */
.br-md{ display:none; }

@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; }
  .hero__title{ font-size: 40px; }
  .hero__meta{ grid-template-columns: 1fr; }
  .trust__inner{ grid-template-columns: repeat(2, 1fr); }
  .grid--3{ grid-template-columns: 1fr; }
  .grid--2{ grid-template-columns: 1fr; }
  .pricing{ grid-template-columns: 1fr; }
  .ctaBox{ grid-template-columns: 1fr; }
  .br-md{ display:inline; }
  .nav{ display:none; } /* シンプルに。必要ならハンバーガーに拡張 */
}

@media (max-width: 520px){
  .hero{ padding-top: 44px; }
  .hero__title{ font-size: 34px; }
  .container{ width: min(var(--max), calc(100% - 28px)); }
  .panel, .card, .feature, .priceCard, .about, .ctaBox{ padding: 16px 16px; }
}

/* =========================
   Article Links (SEO Hub)
========================= */

.hero__links {
  margin-top: 20px;
  font-size: 14px;
  color: var(--text-sub);
}

.hero__linksLabel {
  margin-right: 8px;
  font-weight: 600;
}

.hero__links a {
  margin-right: 12px;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.hero__links a:hover {
  opacity: 0.8;
}

/* Pricing article callout */

.articleCallout {
  margin-top: 32px;
  padding: 20px 24px;
  border-radius: 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  max-width: 720px;
}

.articleCallout p {
  margin-bottom: 8px;
  font-weight: 600;
}

.articleCallout ul {
  padding-left: 18px;
}

.articleCallout li {
  margin-bottom: 6px;
}

.articleCallout a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* FAQ footer link */

.faqFooter {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-sub);
}

.faqFooter a {
  color: var(--primary);
  font-weight: 600;
}

/* =========================
   Alignment Fix
========================= */
.sectionHead,
.faq,
.articleCallout,
.hero__links {
  max-width: 720px;
}
