/* =========================================================
  style.css  （サイト共通CSS）

  このCSSはサイト全体の共通スタイルを管理します。
  LP専用のデザインは基本的に書かないでください。

  ▼注意
  LPの見た目を変更する場合は
  style.cssではなくLP専用CSSを編集してください。

========================================================= */
:root{
  --bg:#fff;
  --text:#284A66;
  --right-blu:#41A8FE;
  --green:#0CCF86;
  --muted:#556;
  --line:rgba(0,0,0,.08);
  --or:#FF6D2C;
  --ye:#FFB22C;
  --soft:#FFF0DC;
  --soft-or:#FFDFA8;
  --soft-ye:#FAFFDC;
  --beige:#FFF0DC;
  --primary:#41A8FE;
  --red:#E30011;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --container:1040px;
}

*{box-sizing:border-box;}
html, body{
  height: 100%;
  overflow-x: hidden;
}
html {
  scroll-behavior: smooth;
}
body{
  margin:0;
  font-family:
  "Yu Gothic",
  "Yu Gothic Medium",
  "游ゴシック体",
  "Noto Sans JP",
  system-ui,
  -apple-system,
  sans-serif;
  color:var(--text);
  background:var(--soft);
  line-height:1.65;
  overflow-y:auto;
}
img{max-width:100%; height:auto; display:block;}
a{color:inherit; text-decoration:none;}
p,
li,
td,
th{
  font-size:16px;
  line-height:1.8;
  font-weight: 600;
}
.container{width:min(92vw,var(--container)); margin:0 auto;}
.font-marugothic{
  font-family:
    "DNP Shuei Maru Gothic Std",
    "DNP秀英丸ゴシックStd",
    "Yu Gothic",
    "Hiragino Kaku Gothic ProN",
    Meiryo,
    sans-serif;
}
/* Header */
.site-header{
  background:var(--soft);
}
.header-inner{
  display:flex; 
  align-items:center; 
  justify-content:space-between;
  gap:12px;
  padding: 0;
}
.brand-logo{height:38px; width:auto;}
.header-nav{display:none; gap:14px; color:var(--muted); font-size:14px;}
.header-cta{display:flex; gap:10px;}
/* 共通幅 */
.lp-main {
  padding: 0 16px;
}
/* 全幅セクション */
.section-full {
  margin-left: -20px;
  margin-right: -20px;
}
/* 共通空間 */
.sec-steps > div + div{
  margin-top: 90px;
}
section{margin-bottom: 90px;}
/* =========================
  Shell (SP: LP only / PC: menu + LP)
========================= */
.lp-main{
  width: min(100%, 420px);
  margin-inline: auto;
  background: #fff;
}

.lp-shell__side{
  display:none;
}

@media (min-width: 768px){
  .lp-shell__content{ padding: 0 20px; }
  .lp-main{ width: min(100%, 600px); } 
}

@media (min-width: 1024px){
  :root{
    --menuW: 420px;
    --lpW: 600px;
    --gap: 56px;
    --shellW: calc(var(--menuW) + var(--gap) + var(--lpW));
  }
  .header-inner{ padding: 20px;}
  .lp-shell{
    display:grid;
    justify-content:center;
    grid-template-columns: var(--menuW) var(--lpW);
    gap: var(--gap);
    max-width:1240px;
    width: var(--shellW);
    margin: 0 auto;
    height: calc(100vh - 60px);
    align-items: start;
  }
  .lp-shell__side{
    display:block;
    min-height: 1px;
  }
  .lp-shell__content{
    padding:0;
    overflow-x: hidden;
    padding: 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .lp-shell__content::-webkit-scrollbar{
    width: 0;
    height: 0;
  }
  .lp-main{
    width: var(--lpW);
    margin: 0;
    border-radius: 20px;
    box-shadow: var(--shadow);;
  }
    .side-nav{
    position: fixed;
    left: calc(50% - (var(--shellW) / 2));
    width: var(--menuW);
    z-index: 30;
  }
  .side-nav__list{
    padding: 44px 48px;
    border-radius: 20px;
    box-shadow: var(--shadow, 0 10px 30px rgba(0,0,0,.08));
  }

  .side-nav__link{
    padding: 10px 0;
    border-radius: 0;
    font-size: 18px;
    font-weight: 800;
  }

  .side-nav__link.is-sub{
    padding-left: 0;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
  }

  .side-nav__link.is-sub2{
    padding-left: 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
  }

  .side-nav__link:hover,
  .side-nav__link.is-sub:hover,
  .side-nav__link.is-sub2:hover{
    background: var(--beige);
    color: var(--or);
    text-decoration: underline;
    text-underline-offset: 4px;
  }
  .side-nav__link:hover,
  .side-nav__link:focus,
  .side-nav__link.is-active,
  .side-nav__link.is-sub.is-active,
  .side-nav__link.is-sub2.is-active{
  background: var(--beige);
  color: var(--or);
  text-decoration: underline;
  text-underline-offset: 4px;
}

}

/* =========================
  Side nav (PC)
========================= */
.side-nav a{
  pointer-events: auto;
}
.side-nav__logo img{
  width: 240px;
  margin-bottom: 16px;
}
.side-nav__list{
  list-style: none;
  margin: 0;
  padding: 14px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow, 0 10px 30px rgba(0,0,0,.08));
  border: 1px solid rgba(0,0,0,.08);
}

.side-nav__link{
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--text);
  font-weight: 700;
  line-height: 1.6;
}

.side-nav__link.is-sub{
  padding-left: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.side-nav__link.is-sub2{
  padding-left: 34px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text);
}

/* Sections */
.section{padding:38px 0;}
.section-soft{background: linear-gradient(180deg, #fff, var(--soft2));}
.h1{margin:10px 0 14px; font-size:26px;}
.h2{
  font-family:"DNP Shuei Maru Gothic Std",
  "DNP秀英丸ゴシックStd",
  "Yu Gothic",
  "Hiragino Kaku Gothic ProN",
  Meiryo,
  sans-serif;
  margin:0 0 16px;
  font-size:22px;
  line-height:1.25;
}
.h3{margin:0 0 6px; font-size:16px;}
.text{margin:0; color:var(--muted);}

/* Cards */
.cards{display:grid; gap:12px;}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:#fff;
  box-shadow:0 6px 20px rgba(0,0,0,.05);
  padding:14px;
}
.card-img{border-radius:12px; border:1px solid var(--line); margin-bottom:10px;}
.mini-links{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px;}
.mini-link{
  font-size:13px; color:var(--primary);
  border-bottom:1px solid rgba(28,109,208,.3);
}

/* Desktop */
@media (min-width: 768px){
  .header-nav{display:flex;}
  .hero-inner{grid-template-columns: 1.1fr .9fr; align-items:center;}
  .hero-title{font-size:40px;}
  .hero-buttons{grid-template-columns: 1fr 1fr; max-width:520px;}
  .cards{grid-template-columns: repeat(2, 1fr);}
  .step{grid-template-columns: 260px 1fr; align-items:center;}
  .cta-inner{grid-template-columns: 1.2fr .8fr;}
}
/* PCでは非表示 */
.sp-br{
  display:none;
}
/* SPだけ改行 */
@media screen and (max-width:768px){
  .sp-br{display:block;}
}
.center{
  text-align: center;
  margin: 0 auto;
}
/* =========================
  LPフッター
========================= */
.lp-footer{
  position: relative;
  background: #f3d7a3;
  padding: 44px 16px 10px;
  text-align: center;
  overflow: hidden;
}

.lp-footer__wave{
  position: absolute;
  top: -34px;
  left: 50%;
  transform: translateX(-50%);
  width: 140%;
  height: 72px;
  background: var(--soft-ye);
  border-radius: 0 0 50% 50%;
}

.lp-footer__inner{
  position: relative;
  z-index: 1;
}

.lp-footer__logo{
  display: block;
  width: 150px;
  max-width: 100%;
  height: auto;
  margin: 0 auto 4px;
}

.lp-footer__copy{
  margin: 0;
  color: #2d4f73;
  font-size: 10px;
  line-height: 1.3;
  letter-spacing: .04em;
}
.membercard-guide{
  margin-bottom: 0;
}