/* ====== チカッパシステム LP  ブルー系・信頼/IT感 ＋ 親しみやすさ ====== */

:root{
  --blue:        #1E6FD9;
  --blue-dark:   #0F4C9E;
  --blue-light:  #4C8DE6;
  --blue-tint:   #EAF2FD;
  --accent:      #F2A33C;   /* 親しみ用のアクセント（オレンジ） */
  --ink:         #1B2A3A;
  --ink-soft:    #46586B;
  --line:        #DCE6F2;
  --bg:          #ffffff;
  --bg-tint:     #F4F8FE;
  --radius:      16px;
  --shadow:      0 10px 30px rgba(15,76,158,.10);
  --shadow-sm:   0 4px 14px rgba(15,76,158,.08);
  --maxw:        1080px;
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",YuGothic,"Meiryo",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}

img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }

.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:20px;
}

/* ====== ボタン ====== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.4em;
  padding:14px 28px;
  border-radius:999px;
  font-weight:700;
  font-size:1rem;
  cursor:pointer;
  border:2px solid transparent;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(242,163,60,.35);
}
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 26px rgba(242,163,60,.45); }
.btn-ghost{
  background:#fff;
  color:var(--blue-dark);
  border-color:var(--blue);
}
.btn-ghost:hover{ background:var(--blue-tint); transform:translateY(-2px); }
.btn-block{ width:100%; }

/* ====== ヘッダー ====== */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.logo{ display:flex; align-items:center; gap:10px; font-weight:800; }
.logo-mark{ width:40px; height:40px; display:block; }
.footer-logo{ width:36px; height:36px; display:block; }
.logo-text{ font-size:1.1rem; letter-spacing:.02em; }
.gnav{ display:flex; align-items:center; gap:22px; }
.gnav a{ font-size:.92rem; font-weight:600; color:var(--ink-soft); }
.gnav a:hover{ color:var(--blue); }
.gnav-cta{
  background:var(--blue);
  color:#fff !important;
  padding:9px 18px;
  border-radius:999px;
}
.gnav-cta:hover{ background:var(--blue-dark); }

/* ====== ヒーロー ====== */
.hero{
  position:relative;
  background:linear-gradient(160deg,#EAF2FD 0%,#D6E7FB 100%);
  padding:64px 0 90px;
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  align-items:center;
}
.hero-badge{
  display:inline-block;
  background:var(--accent);
  color:#fff;
  font-weight:800;
  font-size:.95rem;
  padding:7px 18px;
  border-radius:999px;
  margin:0 0 18px;
  box-shadow:0 6px 16px rgba(242,163,60,.3);
}
.hero-title{
  font-size:2.5rem;
  line-height:1.4;
  margin:0 0 18px;
  font-weight:900;
  letter-spacing:.01em;
}
.hero-title .hl{ color:var(--blue-dark); }
.hl{
  background:linear-gradient(transparent 62%, rgba(242,163,60,.4) 62%);
  padding:0 .1em;
}
.hero-sub{ font-size:1.05rem; color:var(--ink-soft); margin:0 0 26px; }
.hero-sub strong{ color:var(--blue-dark); }
.hero-actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:24px; }
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  list-style:none;
  padding:0; margin:0;
}
.hero-points li{
  position:relative;
  padding-left:24px;
  font-weight:700;
  font-size:.95rem;
  color:var(--blue-dark);
}
.hero-points li::before{
  content:"✓";
  position:absolute; left:0;
  width:18px; height:18px;
  background:var(--blue);
  color:#fff;
  border-radius:50%;
  font-size:.7rem;
  display:grid; place-items:center;
  top:.35em;
}
.hero-art{
  background:#fff;
  border-radius:24px;
  padding:16px;
  box-shadow:var(--shadow);
}
.hero-art svg{ display:block; width:100%; height:auto; }
.hero-art .float-slow{ animation:heroFloat 4.5s ease-in-out infinite; }
.hero-art .float-fast{ animation:heroFloat 3.6s ease-in-out .8s infinite; }
.hero-art .beam{ animation:beamPulse 3s ease-in-out infinite; }
@keyframes heroFloat{
  0%,100%{ transform:translateY(0); }
  50%{ transform:translateY(-5px); }
}
@keyframes beamPulse{
  0%,100%{ opacity:.7; }
  50%{ opacity:1; }
}
@media (prefers-reduced-motion:reduce){
  .hero-art *{ animation:none !important; }
}
.hero-wave{ position:absolute; left:0; right:0; bottom:-1px; line-height:0; }
.hero-wave svg{ width:100%; height:60px; }

/* ====== セクション共通 ====== */
.section{ padding:78px 0; }
.section-tint{ background:var(--bg-tint); }
.sec-eyebrow{
  text-align:center;
  color:var(--blue);
  font-weight:800;
  letter-spacing:.18em;
  font-size:.8rem;
  margin:0 0 8px;
}
.sec-eyebrow.light{ color:#9CC2F2; }
.sec-title{
  text-align:center;
  font-size:1.9rem;
  font-weight:900;
  line-height:1.45;
  margin:0 0 14px;
}
.sec-title.light{ color:#fff; }
.sec-lead{ text-align:center; color:var(--ink-soft); margin:0 auto 44px; max-width:640px; }
.sec-title + .sec-lead{ margin-top:6px; }

/* ====== セクション1：お悩み ====== */
.problem-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
  margin-top:40px;
}
.problem-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 26px 26px 84px;
  position:relative;
  box-shadow:var(--shadow-sm);
}
.problem-icon{
  position:absolute;
  left:22px; top:24px;
  width:46px; height:46px;
  display:grid; place-items:center;
  font-size:1.5rem;
  background:var(--blue-tint);
  border-radius:12px;
}
.problem-role{
  margin:0 0 6px;
  font-weight:800;
  color:var(--blue-dark);
}
.problem-text{ margin:0; color:var(--ink-soft); }

/* ====== セクション2：7つの強み ====== */
.merit-figure{
  margin:0 auto 36px;
  max-width:900px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
  background:#fff;
}
.merit-figure img{ width:100%; height:auto; display:block; }

.merit-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
}
.merit-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
}
.merit-no{
  flex:0 0 auto;
  width:44px; height:44px;
  display:grid; place-items:center;
  border-radius:50%;
  font-weight:900;
  font-size:1.3rem;
  color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
}
.merit-text{ margin:0; color:var(--ink-soft); font-size:.98rem; }
.merit-text strong{ color:var(--blue-dark); }

/* ====== セクション3：利用者の声 ====== */
.voice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:40px;
}
.voice-card{
  margin:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px 24px 24px;
  text-align:center;
  box-shadow:var(--shadow-sm);
  position:relative;
}
.voice-avatar{
  width:62px; height:62px;
  margin:0 auto 16px;
  display:grid; place-items:center;
  font-size:2rem;
  background:var(--blue-tint);
  border-radius:50%;
}
.voice-card blockquote{
  margin:0 0 14px;
  font-weight:700;
  color:var(--ink);
}
.voice-card figcaption{ color:var(--ink-soft); font-size:.9rem; }

/* 利用者の声：漫画 */
.voice-comic{
  margin:40px auto 0;
  max-width:960px;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.voice-comic img{
  width:100%;
  height:auto;
}

/* ====== セクション4：収益モデル ====== */
.profit-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
  margin-top:34px;
}
.profit-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  box-shadow:var(--shadow-sm);
}
.profit-card h3{ margin:0 0 12px; color:var(--blue-dark); font-size:1.2rem; }
.profit-card p{ margin:0 0 12px; color:var(--ink-soft); }
.profit-card strong{ color:var(--accent); }
.profit-note{ font-size:.95rem; }
.profit-mock{
  margin-top:18px;
  background:var(--blue-dark);
  border-radius:14px;
  padding:18px;
}
.profit-mock-bar{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  color:#fff;
  margin-bottom:14px;
}
.profit-mock-bar span{ font-size:.85rem; opacity:.8; }
.profit-mock-bar strong{ color:#fff; font-size:1.5rem; }
.profit-mock-graph{
  display:flex;
  align-items:flex-end;
  gap:8px;
  height:70px;
}
.profit-mock-graph i{
  flex:1;
  background:linear-gradient(var(--blue-light),var(--blue));
  border-radius:5px 5px 0 0;
}
.disclaimer{
  margin:30px auto 0;
  max-width:760px;
  font-size:.78rem;
  color:#90A0B2;
  line-height:1.7;
}

/* ====== システムのご紹介（動画） ====== */
.movie-frame{
  max-width:900px;
  margin:40px auto 0;
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:#000;
  line-height:0;
}
.movie-frame video{
  width:100%;
  height:auto;
  display:block;
  aspect-ratio:16 / 9;
  object-fit:contain;
  background:#000;
}

/* ====== セクション5：未払い対策（ダーク） ====== */
.section-dark{ background:linear-gradient(160deg,var(--blue-dark),#0A3673); }
.security-inner{
  display:flex;
  align-items:center;
  gap:30px;
  max-width:840px;
  margin:34px auto 0;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);
  padding:32px;
}
.security-icon{ flex:0 0 80px; }
.security-text{ margin:0; color:#E6EEF9; }
.security-text strong{ color:#fff; }

/* ====== セクション6：STEP ====== */
.step-flow{
  list-style:none;
  margin:44px 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
}
.step-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 16px 24px;
  text-align:center;
  box-shadow:var(--shadow-sm);
}
.step-item:not(:last-child)::after{
  content:"▶";
  position:absolute;
  right:-14px; top:50%;
  transform:translateY(-50%);
  color:var(--blue-light);
  font-size:.9rem;
  z-index:2;
}
.step-num{
  display:grid; place-items:center;
  width:46px; height:46px;
  margin:0 auto 12px;
  border-radius:50%;
  background:var(--blue);
  color:#fff;
  font-weight:900;
  font-size:1.3rem;
}
.step-label{ font-weight:700; }
.step-goal{ background:var(--blue-tint); border-color:var(--blue); }
.step-goal .step-num{ background:var(--accent); }

/* ====== CTA / フォーム ====== */
.contact{
  background:linear-gradient(160deg,#EAF2FD,#D6E7FB);
  padding:74px 0;
}
.contact-inner{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:46px;
  align-items:start;
}
.contact-lead h2{ font-size:1.8rem; font-weight:900; margin:0 0 14px; color:var(--blue-dark); }
.contact-lead p{ color:var(--ink-soft); margin:0; }
.contact-form{
  background:#fff;
  border-radius:20px;
  padding:30px;
  box-shadow:var(--shadow);
}
.form-row{ margin-bottom:16px; }
.form-row label{
  display:block;
  font-weight:700;
  font-size:.9rem;
  margin-bottom:6px;
}
.req{
  background:var(--accent);
  color:#fff;
  font-size:.7rem;
  padding:2px 8px;
  border-radius:6px;
  margin-left:6px;
  vertical-align:middle;
}
.form-row input,
.form-row select,
.form-row textarea{
  width:100%;
  padding:12px 14px;
  border:1.5px solid var(--line);
  border-radius:10px;
  font-size:1rem;
  font-family:inherit;
  background:#FAFCFF;
  transition:border-color .15s ease, box-shadow .15s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(30,111,217,.15);
}
.form-row textarea{ resize:vertical; }
.form-honeypot{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-status{
  min-height:1.4em;
  text-align:center;
  font-size:.88rem;
  font-weight:700;
  margin:14px 0 0;
}
.form-status--success{ color:#2E7D5B; }
.form-status--error{ color:#D0433F; }
.btn-block:disabled{ opacity:.7; cursor:not-allowed; }
.form-note{ text-align:center; font-size:.78rem; color:#90A0B2; margin:12px 0 0; }
.form-note a{ color:#90A0B2; text-decoration:underline; }

/* ====== フッター ====== */
.site-footer{ background:var(--ink); color:#C5D2E0; padding:30px 0; }
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.footer-brand{ display:flex; align-items:center; gap:10px; font-weight:800; color:#fff; }
.footer-copy{ margin:0; font-size:.85rem; }

/* ====== レスポンシブ ====== */
.sp-only{ display:none; }

@media (max-width:860px){
  .gnav a:not(.gnav-cta){ display:none; }
  .hero-inner{ grid-template-columns:1fr; }
  .hero-art{ order:-1; max-width:420px; margin-inline:auto; }
  .hero-title{ font-size:2rem; }
  .problem-grid,
  .voice-grid,
  .profit-grid{ grid-template-columns:1fr; }
  .merit-grid{ grid-template-columns:1fr 1fr; }
  .step-flow{ grid-template-columns:1fr 1fr; }
  .step-item:nth-child(2)::after{ display:none; }
  .contact-inner{ grid-template-columns:1fr; }
  .sp-only{ display:inline; }
}

@media (max-width:480px){
  .hero{ padding:44px 0 70px; }
  .hero-title{ font-size:1.7rem; }
  .sec-title{ font-size:1.5rem; }
  .merit-grid{ grid-template-columns:1fr; }
  .security-inner{ flex-direction:column; text-align:center; }
  .step-flow{ grid-template-columns:1fr; }
  .step-item::after{ display:none !important; }
}