* { margin: 0; padding: 0; box-sizing: border-box; }
:root{
  --ink:#1c1c22;          /* 本文・見出し・信頼色（濃いチャコール） */
  --sub:#6b6b73;          /* 補足テキスト */
  --main:#ffd400;         /* メイン：ビビッドイエロー */
  --main-d:#e8b800;       /* イエロー濃いめ（細部・境界） */
  --soft:#fff7d6;         /* 淡いイエロー */
  --soft2:#E3EAED;        /* バンド背景：ライトブルーグレー */
  --card:#ffffff;
  --cardline:#333;     /* 白カードの枠線 */
  --bg:#fff;           /* ベース背景：白 */
  --shadow:0 12px 32px -24px rgba(28,28,34,.12);
  --shadow-sm:0 8px 20px -20px rgba(28,28,34,.12);
}
html { scroll-behavior: smooth; }
body{
  font-family:'Noto Sans JP', sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.8;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}
.wrap{ max-width:1040px; margin:0 auto; padding:0 24px; }

/* 画像プレースホルダ */
.ph{
  background:linear-gradient(135deg,#f0ede3,#f7f4ec);
  color:#b3ad9a;
  display:flex; align-items:center; justify-content:center;
  font-size:13px; letter-spacing:.05em; font-weight:500;
  width:100%; border-radius:16px;
}
img.ph{ object-fit:cover; }
.ph-fv{ aspect-ratio:1/1; border-radius:50%; }
.ph-shot{ aspect-ratio:4/3; }
.ph-phone{ aspect-ratio:4/3; border-radius:16px; }
.ph-card{ aspect-ratio:16/10; }
.ph-logo{ aspect-ratio:3/1; }

/* セクション共通 */
section{ padding:104px 0; }
.label{
  font-size:12px; font-weight:700; letter-spacing:.18em;
  color:var(--main-d); text-transform:uppercase;
  display:block; text-align:center; margin-bottom:14px;
}
.label.left{ text-align:left; }
h2{
  font-size:33px; font-weight:900; line-height:1.45;
  text-align:center; margin-bottom:24px; letter-spacing:.01em;
}
h2 .hl{
  background:none;
  padding:0 2px;
}
.br-sp{ display:none; }
.sec-lead{
  text-align:left; color:var(--sub); font-size:16px;
  max-width:680px; margin:0 auto 56px;
}
h3{ font-size:19px; font-weight:700; margin-bottom:10px; }
p{ font-size:15px; }

/* ボタン */
.btn{
  display:inline-flex; align-items:center; gap:12px;
  text-decoration:none; font-size:15px; font-weight:700;
  min-height:52px; box-sizing:border-box;
  padding:0 13px 0 28px; border-radius:9999px;
}
.btn-fill{ background:var(--ink); color:#fff; box-shadow:var(--shadow-sm); }
.btn-fill .ico, .btn-main span{
  width:30px; height:30px; border-radius:50%; flex:none; margin-left:auto;
  background:var(--main); color:var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:13px;
  transition:transform .15s ease;
}
.btn:hover .ico, .btn-main:hover span{ transform:translateX(4px); }
.btn-main span{ background:var(--ink); color:var(--main); }
.btn-line{ background:#fff; color:var(--ink); border:1.5px solid var(--ink); padding:0 28px; }
.btn-main{ background:var(--main); color:var(--ink); box-shadow:var(--shadow-sm); }

/* ヘッダー */
header{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:flex-start; justify-content:space-between;
}
.logo-box{
  display:flex; align-items:center; height:78px; padding:0 32px;
  background:#fff; color:var(--ink); text-decoration:none;
  font-family:'M PLUS Rounded 1c', sans-serif;
  font-weight:800; font-size:19px;
  border-radius:0 0 24px 0; box-shadow:var(--shadow-sm);
  position:relative; z-index:25;
}
.logo-box .dot{ color:#f2b904; }
.logo-box .logo-img{ height:27px; width:auto; display:block; }
.menu-box{
  display:flex; align-items:center; gap:10px;
  margin:16px 24px 0 0; padding:8px 8px 8px 30px;
  background:#fff; border-radius:9999px; box-shadow:var(--shadow-sm);
}
.nav-menu{ display:flex; gap:26px; list-style:none; font-size:13.5px; font-weight:700; }
.nav-menu a{ color:var(--ink); text-decoration:none; }
.nav-menu a:hover{ color:var(--main-d); }
.nav-ext{ display:inline-flex; align-items:center; gap:5px; }
.nav-ext i{ font-size:11px; }
.nav-menu-cta{ display:none; }
.nav-cta{
  background:var(--ink); color:#fff;
  padding:11px 22px; font-size:13px; font-weight:700;
  text-decoration:none; border-radius:9999px; margin-left:16px;
}
.nav-toggle{ display:none; font-size:22px; background:none; border:none; cursor:pointer; color:var(--ink); padding:6px 12px; position:relative; z-index:25; }

/* FV */
.fv{
  margin-top:-78px;          /* 透明ヘッダーの裏まで黄色を敷く */
  padding:162px 0 96px;      /* 78(ヘッダー分) + 84(本来の上余白) */
  background:var(--soft2);   /* ヒーロー：淡いイエロー */
}
.fv-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center; }
.fv-title{ font-size:38px; font-weight:900; line-height:1.34; margin-bottom:22px; }
.fv-title .hl{ background:none; }
.fv-text{ color:var(--sub); font-size:16px; margin-bottom:32px; }
.fv-btns{ display:flex; gap:14px; flex-wrap:wrap; }

/* バッジ帯 */
.badges-sec{ padding:0 0 96px; background:var(--soft2); }
.badges{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.badge{
  background:var(--card); border:1px solid var(--cardline); border-radius:18px; padding:30px 28px;
  text-align:center; box-shadow:var(--shadow); font-size:13px; color:var(--sub);
}
.badge strong{ display:block; font-size:24px; color:var(--ink); margin-bottom:6px; }

/* 交互2カラム */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
ul.list{ list-style:none; }
ul.list li{
  position:relative; padding-left:30px; margin-bottom:14px; font-size:15px;
}
ul.list li::before{
  content:"\f00c"; font-family:"Font Awesome 6 Free"; font-weight:900;
  position:absolute; left:0; top:1px; color:var(--main-d); font-size:13px;
}

/* カードグリッド */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.grid-4{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; }

.card{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:36px 32px;
  box-shadow:var(--shadow);
}
.card .num{
  font-size:54px; font-weight:900; line-height:1;
  color:var(--main); margin-bottom:8px;
  -webkit-text-stroke:1px var(--main-d);
}
.card .reason-icon{
  width:58px; height:58px; border-radius:50%;
  background:var(--soft); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-size:24px; margin-bottom:18px;
}
.card p{ font-size:14.5px; color:var(--sub); }

/* スマホ画面紹介 */
.phone-col{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:28px;
  box-shadow:var(--shadow); display:flex; flex-direction:column; text-align:left;
}
.phone-col .cap{
  font-size:15px; font-weight:700; margin-bottom:16px;
  color:var(--ink); text-align:center;
}
.phone-col .ph{ margin-bottom:16px; }
.phone-col .desc{ font-size:13.5px; color:var(--sub); }

/* 機能サマリー（白カード）の地 */
.band-soft{ background:var(--soft2); }

/* 料金 */
.price-grid{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.plan-card{
  position:relative; border-radius:22px; padding:28px 32px; box-shadow:var(--shadow);
}
.plan-card.main{ background:var(--main); color:var(--ink); }
.plan-card.dark{ background:var(--ink); color:#fff; }
.plan-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; }
.plan-tag{
  flex:none; line-height:1;
  font-size:11.5px; font-weight:700; padding:5px 12px; border-radius:9999px;
}
.plan-card.main .plan-tag{ background:var(--ink); color:#fff; }
.plan-card.dark .plan-tag{ background:var(--main); color:var(--ink); }
.plan-name{ font-size:14px; font-weight:700; letter-spacing:.04em; line-height:1; }
.plan-card.dark .plan-name{ color:var(--main); }
.plan-price{ font-size:38px; font-weight:900; line-height:1.1; margin-top:6px; }
.plan-price small{ font-size:15px; font-weight:700; }
.plan-term{ font-size:13px; opacity:.85; margin-top:2px; }
.spec-box{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:30px 36px;
  margin-top:24px; box-shadow:var(--shadow);
}
.spec-box h3{ margin-bottom:8px; }
.spec{ width:100%; border-collapse:collapse; font-size:13.5px; }
.spec th, .spec td{
  text-align:left; padding:13px 0; border-bottom:1px solid #efece2; vertical-align:top;
}
.spec tr:last-child th, .spec tr:last-child td{ border-bottom:none; }
.spec th{ font-weight:500; color:var(--sub); width:48%; }
.spec td{ font-weight:700; }
.fee-notes{ list-style:none; margin-top:18px; padding-top:18px; border-top:1px solid #efece2; }
.fee-notes li{ position:relative; padding-left:16px; font-size:12.5px; color:var(--sub); line-height:1.7; }
.fee-notes li::before{ content:"・"; position:absolute; left:0; color:var(--main); }
.fee-notes li strong{ color:var(--main); font-weight:700; }
.opt-box{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:34px 36px;
  margin-top:24px; box-shadow:var(--shadow);
}
.opt-box h3{ margin-bottom:16px; }
.opt-box ul.list li strong{ display:block; margin-bottom:3px; font-weight:700; }
.price-note{ font-size:12px; color:var(--sub); margin-top:18px; text-align:left; }

/* CTAバナー（相互誘導） */
.cta-band{
  background:linear-gradient(135deg,#1c1c22,#2a2a32);
  border-top:none;
}
.cta-inner{
  display:flex; align-items:center; justify-content:flex-start;
  gap:48px; flex-wrap:wrap;
}
.ph-cta{ width:240px; flex:none; aspect-ratio:1/1; border-radius:50%; }
.cta-right{ display:flex; flex-direction:column; align-items:flex-start; gap:24px; }
.cta-inner .txt{ color:#fff; max-width:620px; }
.cta-inner .txt .label{ text-align:left; color:var(--main); margin-bottom:10px; }
.cta-inner .txt h2{ text-align:left; color:#fff; font-size:28px; margin-bottom:12px; }
.cta-inner .txt p{ color:#cfcfd6; font-size:15px; }

/* 流れ */
.flow-summary{
  border-radius:68px; padding:22px 28px;
  margin-bottom:40px; font-size:15px; text-align:center; font-weight:500;
  background:#fff; border:1px solid var(--cardline);
}
.flow-summary strong{ font-weight:900; }
.flow{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.flow-step{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:30px 26px;
  box-shadow:var(--shadow); position:relative;
}
.flow-step .num{ font-size:40px; font-weight:900; color:var(--main); -webkit-text-stroke:1px var(--main-d); line-height:1; margin-bottom:12px; }
.flow-step h3{ font-size:16px; }
.flow-step p{ font-size:13.5px; color:var(--sub); }

/* コラム */
.col-card{
  text-decoration:none; color:var(--ink); display:block;
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; overflow:hidden;
  box-shadow:var(--shadow); transition:transform .15s ease;
}
.col-card:hover{ transform:translateY(-3px); }
.col-card .ph{ border-radius:0; }
.col-thumb{ width:100%; aspect-ratio:16/10; object-fit:cover; display:block; }
.col-card .body{ padding:22px 24px 26px; }
.col-card h3{ font-size:15px; line-height:1.7; font-weight:700; }

/* FAQ */
.faq-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.faq-item{
  background:var(--card); border:1px solid var(--cardline); border-radius:16px; padding:24px 28px;
  box-shadow:var(--shadow-sm);
}
.faq-q{ font-size:15px; font-weight:700; display:flex; gap:12px; align-items:flex-start; }
.faq-q span{
  flex:none; width:26px; height:26px; border-radius:50%;
  background:var(--main); color:var(--ink); font-weight:900;
  display:flex; align-items:center; justify-content:center; font-size:13px;
  padding-bottom:3px;
}
.faq-a{ font-size:14px; color:var(--sub); margin-top:12px; padding-left:38px; }

/* 末尾の3カード */
.contact-cards{ display:grid; grid-template-columns:repeat(2,1fr); gap:24px; max-width:720px; margin:0 auto; }
.c-card{
  background:var(--card); border:1px solid var(--cardline); border-radius:20px; padding:36px 30px;
  box-shadow:var(--shadow); text-align:center;
}
.c-card > .ico{
  width:62px; height:62px; border-radius:50%; margin:0 auto 18px;
  background:var(--soft); color:var(--ink);
  display:flex; align-items:center; justify-content:center; font-size:24px;
}
.c-card h3{ font-size:17px; }
.c-card p{ font-size:13.5px; color:var(--sub); margin-bottom:20px; }
.c-card .big{ font-size:24px; font-weight:900; }

/* フッター */
footer{ background:var(--ink); color:#cfcfd6; padding:64px 0 40px; }
.foot-grid{ display:flex; justify-content:space-between; gap:48px; flex-wrap:wrap; }
.foot-logos{ display:flex; gap:14px; align-items:center; flex-wrap:wrap; }
.foot-logo{
  height:52px; width:auto; background:#fff;
  padding:12px 20px; object-fit:contain; display:block;
}
.foot-brand{ font-weight:900; font-size:20px; color:#fff; margin-bottom:8px; }
.foot-brand .dot{ color:var(--main); }
.foot-info{ font-size:13px; line-height:2; }
.copy{ font-size:10px; color:#7c7c86; margin-top:20px; }

/* レスポンシブ：タブレット（〜1100px） */
@media (max-width:1100px){
  .wrap{ padding:0 32px; }
  section{ padding:80px 0; }
  h2{ font-size:29px; }
  .fv{ padding:142px 0 72px; }
  .fv-grid{ grid-template-columns:1fr; gap:40px; }
  .fv-title{ font-size:38px; }
  .ph-fv{ max-width:360px; margin:0 auto; }
  .nav-menu, .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  .menu-box{ padding:8px; }
  .nav-menu.open{
    display:flex; flex-direction:column; gap:0;
    position:fixed; inset:0; z-index:15;
    height:100vh; overflow-y:auto;
    background:#fff; padding:118px 32px 40px;
  }
  .nav-menu.open .nav-menu-cta{ display:block; }
  .nav-menu.open li{ border-bottom:1px solid #f3f0e6; }
  .nav-menu.open li:last-child{ border-bottom:none; }
  .nav-menu.open a{ display:block; padding:14px 2px; }
  .nav-menu.open .nav-menu-cta a{ color:var(--main-d); font-weight:700; }
  .grid-2{ grid-template-columns:1fr; gap:36px; }
  .grid-3{ grid-template-columns:repeat(2,1fr); }
  .grid-4{ grid-template-columns:repeat(2,1fr); }
  .flow{ grid-template-columns:repeat(2,1fr); }
  .cta-inner .txt h2{ font-size:24px; }
  .price-note{ text-align:left; }
  .flow-summary{ border-radius:20px; text-align:left; }
}

/* レスポンシブ：スマホ（〜640px） */
@media (max-width:640px){
  .wrap{ padding:0 20px; }
  section{ padding:60px 0; }
  h2{ font-size:24px; }
  .logo-box{ height:64px; padding:0 20px; }
  .fv{ padding:126px 0 56px; }
  .fv-title{ font-size:24px; }
  .nav-menu.open{ padding:104px 20px 40px; }
  .badges{ grid-template-columns:1fr; }
  .badge strong{ font-size:20px; }
  .br-sp{ display:inline; }
  .grid-3{ grid-template-columns:1fr; }
  .grid-4{ grid-template-columns:1fr; }
  .flow{ grid-template-columns:1fr; }
  .price-grid{ grid-template-columns:1fr; }
  .faq-grid{ grid-template-columns:1fr; }
  .contact-cards{ grid-template-columns:1fr; }
  .cta-inner{ flex-direction:column; align-items:center; }
  .spec-box{ padding:24px 24px; }
  .spec tr{ display:block; padding:9px 0; border-bottom:1px solid #efece2; }
  .spec tr:last-child{ border-bottom:none; padding-bottom:0; }
  .spec th, .spec td{ display:block; width:auto; padding:0; border-bottom:none; line-height:1.6; }
  .spec td{ margin-top:1px; }
  .opt-box ul.list li{ padding-left:0; }
  .opt-box ul.list li::before{ display:none; }
}