/* ===== Base ===== */
:root{
  --navy:#0f2c4c;
  --navy-dark:#0a1f38;
  --gold:#c9a227;
  --gold-light:#e0c25a;
  --blue:#1a5fb4;
  --text:#243447;
  --muted:#5f7183;
  --line:#e3e9ef;
  --tint:#f4f7fa;
  --ok:#188a5b;
  --ng:#c0392b;
  --radius:14px;
  --shadow:0 10px 30px rgba(15,44,76,.08);
  --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:170px}
body{
  font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;
  color:var(--text);line-height:1.85;background:#fff;
  -webkit-font-smoothing:antialiased;font-size:16px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.container--narrow{max-width:820px}
.center{text-align:center}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  font-weight:700;border-radius:999px;padding:14px 30px;
  transition:.25s;cursor:pointer;border:2px solid transparent;line-height:1.3;text-align:center;
}
.btn--sm{padding:10px 20px;font-size:.9rem}
.btn--lg{padding:18px 40px;font-size:1.08rem}
.btn--primary{background:var(--gold);color:#fff;box-shadow:0 8px 20px rgba(201,162,39,.35)}
.btn--primary:hover{background:var(--gold-light);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--white{background:#fff;color:var(--navy)}
.btn--white:hover{transform:translateY(-2px)}

/* ===== Header ===== */
.header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:0 2px 12px rgba(15,44,76,.08)}

/* 上部ユーティリティバー */
.topbar{background:var(--navy);color:#fff;font-size:.8rem}
.topbar__inner{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.topbar__links{display:flex;flex-wrap:wrap}
.topbar__links li{border-left:1px solid rgba(255,255,255,.18)}
.topbar__links li:last-child{border-right:1px solid rgba(255,255,255,.18)}
.topbar__links a{display:block;padding:9px 18px;color:#dbe6f1;font-weight:600;transition:.2s}
.topbar__links a:hover{background:rgba(255,255,255,.1);color:#fff}

/* ブランドバー */
.brandbar__inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:24px}
.logo{display:flex;align-items:center;gap:12px}
.logo__mark{
  width:46px;height:46px;flex:none;border-radius:10px;
  background:linear-gradient(135deg,var(--navy),var(--blue));
  color:var(--gold-light);font-weight:800;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;
}
.logo__text strong{display:block;font-size:1.15rem;color:var(--navy);line-height:1.3}
.logo__text small{display:block;font-size:.62rem;color:var(--muted);letter-spacing:.12em}
.brandbar__right{margin-left:auto;display:flex;align-items:center;gap:20px}
.brandbar__tel{text-align:right;line-height:1.25}
.brandbar__tel-num{display:flex;align-items:center;justify-content:flex-end;gap:8px;font-size:1.55rem;font-weight:800;color:var(--navy);letter-spacing:.02em}
.freedial{height:.92em;width:auto;color:var(--navy);flex:none}
.brandbar__tel-time{display:block;font-size:.68rem;color:var(--muted)}

/* ナビゲーションバー */
.gnav{background:var(--navy-dark);border-top:2px solid var(--gold)}
.gnav__list{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:center}
.gnav__item{position:relative}
.gnav__item > a,.gnav__toggle{
  display:flex;align-items:center;gap:6px;
  padding:16px 26px;font-size:.95rem;font-weight:700;color:#fff;
  background:none;border:none;cursor:pointer;font-family:inherit;line-height:1.3;
  border-left:1px solid rgba(255,255,255,.08);transition:.2s;white-space:nowrap;
}
.gnav__item:last-child > a,.gnav__item:last-child .gnav__toggle{border-right:1px solid rgba(255,255,255,.08)}
.gnav__item > a:hover,.gnav__toggle:hover,.gnav__item--has-menu:hover .gnav__toggle{background:var(--gold);color:#fff}
.gnav__chev{font-size:.7rem;transition:transform .25s}
.gnav__item--has-menu:hover .gnav__chev{transform:rotate(180deg)}

/* プルダウン（ドロップダウン） */
.dropdown{
  position:absolute;top:100%;left:0;min-width:280px;z-index:120;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;
  padding-top:0;
}
.gnav__item--has-menu:hover .dropdown,
.gnav__item--has-menu.is-open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.gnav__item--has-menu.is-open .gnav__toggle{background:var(--gold);color:#fff}
.gnav__item--has-menu.is-open .gnav__chev{transform:rotate(180deg)}
.dropdown__inner{
  background:#fff;border-radius:0 0 12px 12px;overflow:hidden;
  box-shadow:0 16px 34px rgba(15,44,76,.22);border-top:3px solid var(--gold);
}
.dropdown__link{
  display:block;padding:14px 22px;border-bottom:1px solid var(--line);transition:.2s;
}
.dropdown__link:last-child{border-bottom:none}
.dropdown__link strong{display:block;color:var(--navy);font-size:.95rem;font-weight:700}
.dropdown__link small{display:block;color:var(--muted);font-size:.78rem;margin-top:2px}
.dropdown__link:hover{background:var(--tint)}
.dropdown__link:hover strong{color:var(--gold)}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{width:26px;height:2px;background:var(--navy);transition:.3s;transform-origin:center}
.hamburger.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.is-active span:nth-child(2){opacity:0}
.hamburger.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero（フルワイド・スライドショー） ===== */
.hero{
  position:relative;color:#fff;overflow:hidden;
  min-height:min(78vh,660px);display:flex;align-items:center;
  background:var(--navy-dark);
}
/* 背景スライド */
.hero__slides{position:absolute;inset:0;z-index:0}
.slide{
  position:absolute;inset:0;margin:0;opacity:0;transition:opacity 1.1s ease;
}
.slide.is-active{opacity:1;z-index:1}
.slide img{width:100%;height:100%;object-fit:cover}
@media(prefers-reduced-motion:reduce){
  .slide{transition:opacity .3s ease}
}
/* 可読性のための暗幕グラデーション（左を濃く） */
.hero__slides::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(8,22,40,.9) 0%,rgba(8,22,40,.7) 38%,rgba(8,22,40,.28) 70%,rgba(8,22,40,.15) 100%),
    linear-gradient(0deg,rgba(8,22,40,.55),transparent 45%);
}
.hero__inner{
  position:relative;z-index:1;width:100%;max-width:var(--maxw);margin:0 auto;padding:64px 24px;
}
.hero__text{max-width:640px}
.hero__lead{
  display:inline-block;font-size:.9rem;font-weight:700;letter-spacing:.05em;
  color:var(--gold-light);border:1px solid rgba(224,194,90,.6);border-radius:999px;
  padding:6px 20px;margin-bottom:24px;background:rgba(8,22,40,.35);
}
.hero__title{font-size:2.5rem;line-height:1.45;font-weight:800;letter-spacing:.005em;text-shadow:0 2px 14px rgba(0,0,0,.35)}
.hero__accent{color:var(--gold-light)}
.hero__desc{margin:24px 0 32px;font-size:1.05rem;color:#e5edf5;text-shadow:0 1px 8px rgba(0,0,0,.35)}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap}
.hero__badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:38px}
.hero__badges li{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(4px);
  border-radius:12px;padding:12px 20px;font-size:1rem;font-weight:700;
}
.hero__badges strong{display:block;font-size:.72rem;font-weight:600;color:var(--gold-light);margin-bottom:2px}

/* スライド操作 */
.slider__arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(8,22,40,.45);color:#fff;font-size:1.8rem;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:.2s;backdrop-filter:blur(2px);
}
.slider__arrow:hover{background:var(--gold)}
.slider__arrow--prev{left:20px}
.slider__arrow--next{right:20px}
.slider__dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);z-index:4;display:flex;gap:10px}
.slider__dot{
  width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:rgba(255,255,255,.25);
  cursor:pointer;padding:0;transition:.2s;
}
.slider__dot.is-active{background:var(--gold);border-color:var(--gold)}

/* ===== Sections ===== */
.section{padding:88px 0}
.section--tint{background:var(--tint)}
.section__head{text-align:center;margin-bottom:52px}
.section__en{font-size:.85rem;letter-spacing:.25em;font-weight:700;color:var(--gold);margin-bottom:8px}
.section__title{font-size:2rem;font-weight:800;color:var(--navy);line-height:1.5}
.section__title span{color:var(--gold);position:relative}
.section__sub{margin-top:16px;color:var(--muted)}

/* ===== Cards (Strengths) ===== */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 28px;box-shadow:var(--shadow);transition:.25s;position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px)}
.card__num{font-size:2.4rem;font-weight:800;color:var(--gold-light);line-height:1;margin-bottom:14px}
.card__title{font-size:1.18rem;color:var(--navy);margin-bottom:12px;line-height:1.5}
.card p{color:var(--muted);font-size:.95rem}
.card--cta{
  background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;
}
.card--cta .card__title{color:#fff}
.card--cta p{color:#d5e2f0}

/* ===== Comparison table ===== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow)}
.compare{width:100%;border-collapse:collapse;background:#fff;min-width:620px}
.compare th,.compare td{padding:18px 20px;text-align:center;border-bottom:1px solid var(--line)}
.compare thead th{color:#fff;font-size:1rem}
.compare__item{background:var(--navy)}
.compare__us{background:var(--gold)}
.compare__them{background:#8496a8}
.compare tbody td:first-child{text-align:left;font-weight:700;color:var(--navy);background:var(--tint);width:26%}
.compare td.ok{color:var(--ok);font-weight:700}
.compare td.ng{color:var(--muted)}
.compare td.ok::before{content:"◎ "}
.compare td.ng::before{content:"△ "}
.compare--price td.ok::before{content:""}
.compare__total td{background:#fff8e6;font-weight:800;font-size:1.05rem;border-top:2px solid var(--gold)}

/* ===== Reasons ===== */
.reasons{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.reason{background:#fff;border-radius:var(--radius);padding:36px 30px;border-top:4px solid var(--gold);box-shadow:var(--shadow)}
.reason__no{display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:.1em;color:var(--gold);margin-bottom:14px}
.reason h3{font-size:1.25rem;color:var(--navy);line-height:1.5;margin-bottom:14px}
.reason p{color:var(--muted);font-size:.95rem}

/* ===== Pricing ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:56px}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;position:relative;box-shadow:var(--shadow)}
.plan--featured{border:2px solid var(--gold);transform:translateY(-8px)}
.plan__tag{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gold);color:#fff;font-size:.78rem;font-weight:700;padding:5px 18px;border-radius:999px}
.plan__name{font-size:1.05rem;font-weight:700;color:var(--muted);margin-bottom:12px}
.plan__price{font-size:1.15rem;color:var(--navy);font-weight:700;margin-bottom:20px;padding-bottom:20px;border-bottom:1px dashed var(--line)}
.plan__num{font-size:1.9rem;color:var(--gold);font-weight:800}
.plan__price small{font-size:.75rem;color:var(--muted);font-weight:500}
.plan__list li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--text);font-size:.93rem}
.plan__list li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:800}
.price-compare__title{text-align:center;font-size:1.3rem;color:var(--navy);margin-bottom:26px}
.price-compare__note{text-align:center;font-size:.82rem;color:var(--muted);margin-top:14px}

/* ===== Concerns ===== */
.concerns{max-width:820px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.concerns li{
  background:var(--tint);border-left:4px solid var(--ng);border-radius:8px;
  padding:16px 20px;color:var(--text);font-weight:600;font-size:.96rem;
}
.concerns__answer{text-align:center;margin:40px 0 32px;font-size:1.1rem;line-height:1.9}
.concerns__answer strong{color:var(--gold);font-size:1.3rem}

/* ===== Flow ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow__step{background:#fff;border-radius:var(--radius);padding:30px 24px;box-shadow:var(--shadow);position:relative}
.flow__no{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.08em;color:#fff;background:var(--navy);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.flow__step h3{font-size:1.1rem;color:var(--navy);margin-bottom:10px}
.flow__step p{color:var(--muted);font-size:.9rem}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px}
.faq__item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq__item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;font-weight:700;color:var(--navy);
  position:relative;font-size:1rem;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::before{content:"Q";position:absolute;left:24px;display:none}
.faq__item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;color:var(--gold);transition:.25s;font-weight:400;
}
.faq__item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq__body{padding:0 24px 22px;color:var(--muted)}

/* ===== Office ===== */
.office{display:grid;grid-template-columns:1fr 1.1fr;gap:36px;align-items:center}
.office__map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);line-height:0}
.office__map iframe{width:100%;aspect-ratio:4/3;border:0;display:block}
.office__info{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.office__info div{display:flex;border-bottom:1px solid var(--line)}
.office__info div:last-child{border-bottom:none}
.office__info dt{flex:none;width:120px;background:var(--navy);color:#fff;font-weight:700;font-size:.88rem;padding:16px 18px}
.office__info dd{padding:16px 18px;font-size:.94rem}
.office__info a{color:var(--blue);font-weight:700}

/* ===== CTA ===== */
.cta{padding:80px 0;background:linear-gradient(135deg,var(--navy-dark),var(--navy) 60%,#123a63)}
.cta__box{text-align:center;color:#fff}
.cta__lead{color:var(--gold-light);font-weight:700;letter-spacing:.05em;margin-bottom:12px}
.cta__title{font-size:2.1rem;font-weight:800;margin-bottom:18px}
.cta__desc{color:#d5e2f0;margin-bottom:34px}
.cta__actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta__note{margin-top:20px;font-size:.85rem;color:#aebfd0}

/* ===== Footer ===== */
.footer{background:var(--navy-dark);color:#c4d2e0;padding:52px 0 32px}
.footer__inner{text-align:center}
.footer__brand{display:inline-flex;align-items:center;gap:12px;margin-bottom:24px}
.footer__brand strong{display:block;color:#fff}
.footer__brand small{display:block;font-size:.62rem;letter-spacing:.12em;color:#8ba0b6}
.footer__nav{display:flex;gap:24px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.footer__nav a{font-size:.9rem;color:#c4d2e0}
.footer__nav a:hover{color:var(--gold-light)}
.footer__copy{font-size:.8rem;color:#8ba0b6}
.footer__disclaimer{font-size:.72rem;color:#6b7f93;margin-top:10px}

/* ===== Floating CTA (mobile) ===== */
.floating-cta{
  display:none;position:fixed;bottom:18px;right:18px;z-index:90;
  background:var(--gold);color:#fff;font-weight:800;padding:16px 26px;border-radius:999px;
  box-shadow:0 10px 24px rgba(201,162,39,.5);
}

/* ===== Responsive ===== */
@media(max-width:960px){
  .cards,.reasons,.plans{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr 1fr}
  .office{grid-template-columns:1fr}
  .hero__title{font-size:2.1rem}
}
@media(max-width:900px){
  .topbar{display:none}
  .brandbar__tel-time{display:none}
  .brandbar__btn{display:none}
  .hamburger{display:flex}

  /* ナビをドロワー化 */
  .gnav{display:none;border-top:none}
  .gnav.is-open{display:block}
  .gnav__list{flex-direction:column;max-height:70vh;overflow-y:auto}
  .gnav__item{position:static}
  .gnav__item > a,.gnav__toggle{
    width:100%;border-left:none;border-bottom:1px solid rgba(255,255,255,.1);
    justify-content:space-between;padding:16px 24px;
  }
  .gnav__item:last-child .gnav__toggle{border-right:none}
  .gnav__toggle{justify-content:space-between}

  /* モバイルはクリックで開閉（accordion） */
  .dropdown{
    position:static;opacity:1;visibility:visible;transform:none;
    min-width:0;display:none;
  }
  .gnav__item--has-menu.is-open .dropdown{display:block}
  .gnav__item--has-menu.is-open .gnav__chev{transform:rotate(180deg)}
  .gnav__item--has-menu:hover .dropdown{opacity:1;visibility:visible;transform:none} /* hover無効化 */
  .dropdown__inner{border-radius:0;border-top:none;box-shadow:none;background:#0d2740}
  .dropdown__link{padding:13px 24px 13px 40px;border-bottom:1px solid rgba(255,255,255,.08)}
  .dropdown__link strong{color:#fff}
  .dropdown__link small{color:#9fb4c8}
  .dropdown__link:hover{background:rgba(255,255,255,.06)}
  .dropdown__link:hover strong{color:var(--gold-light)}

  .floating-cta{display:inline-block}
  .section{padding:60px 0}
  .hero{min-height:auto}
  .hero__inner{padding:56px 22px 64px}
  .hero__text{max-width:none}
  .hero__title{font-size:1.7rem}
  .slider__arrow{width:40px;height:40px;font-size:1.5rem}
  .slider__arrow--prev{left:10px}
  .slider__arrow--next{right:10px}
  .section__title{font-size:1.55rem}
  .cards,.reasons,.plans,.flow,.concerns{grid-template-columns:1fr}
  .plan--featured{transform:none}
  .cta__title{font-size:1.6rem}
}