/* style.css */
:root{
  --ink:#0b2a55;
  --muted:#6b7a90;
  --bg:#f6f8fb;
  --card:#ffffff;
  --line:rgba(11,42,85,.14);
  --shadow:0 16px 40px rgba(11,42,85,.12);
  --shadow2:0 10px 26px rgba(11,42,85,.10);
  --r:18px;

  --accent:#ff6b3d;
  --accent2:#2aa6ff;

  --max:1040px;

  --topbarH:44px;
  --headerH:64px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans JP","Hiragino Sans",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(42,166,255,.12), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(255,107,61,.14), transparent 60%),
    var(--bg);
  line-height:1.65;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
strong{font-weight:800}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}

.muted{color:var(--muted)}
.fine{color:var(--muted);font-size:.92rem;margin:.75rem 0 0}

/* Topbar */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.78);
  backdrop-filter: blur(12px);
  border-bottom:1px solid var(--line);
}
.topbar__inner{
  height: var(--topbarH);
  display:flex;gap:10px;align-items:center;justify-content:center;
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:800;font-size:.82rem;
  background:rgba(255,107,61,.14);
  border:1px solid rgba(255,107,61,.32);
  color:#b23717;
  padding:4px 10px;border-radius:999px;
}
.topbar__text{font-size:.9rem;color:var(--muted)}

/* Header */
.header{
  position:sticky;top:var(--topbarH);z-index:40;
  background:rgba(246,248,251,.72);
  backdrop-filter: blur(14px);
  border-bottom:1px solid var(--line);
}
.header__inner{
  height: var(--headerH);
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
}
.brand{display:flex;align-items:center;gap:10px}
.brand__logo{height:40px;width:auto}
.brand__name{font-weight:800;letter-spacing:.02em}
.header__right{display:flex;gap:10px;align-items:center}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  border-radius:16px;
  padding:12px 14px;
  font-weight:900;
  border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  box-shadow: var(--shadow2);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  user-select:none;
}
.btn:hover{transform: translateY(-1px); box-shadow: var(--shadow)}
.btn:active{transform: translateY(0px); box-shadow: var(--shadow2)}
.btn--primary{
  border-color: rgba(255,107,61,.35);
  background: linear-gradient(135deg, rgba(255,107,61,.98), rgba(255,143,98,.98));
  color:#fff;
}
.btn--ghost{background:rgba(255,255,255,.72)}
.btn--full{width:100%}
.btn--lg{padding:14px 16px;border-radius:18px}
.btn--sm{padding:10px 12px;border-radius:14px;font-weight:900}

/* HERO（1画面） */
.hero{
  position:relative;
  overflow:hidden;

  /* ✅ assets/css/style.css から見た相対：assets/img/hero.jpg */
  background-image: url("../img/hero.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;

  min-height: calc(100svh - var(--topbarH) - var(--headerH));
  display:flex;
  align-items:stretch;
  padding: 10px 0 12px;
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(
    180deg,
    rgba(11,42,85,.55) 0%,
    rgba(11,42,85,.40) 30%,
    rgba(11,42,85,.20) 70%,
    rgba(11,42,85,.10) 100%
  );
  pointer-events:none;
}
.hero__inner{
  width:100%;
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:12px;
}
.hero__logos{
  display:grid;
  gap:10px;
  justify-items:center;
  margin-top: 10px;
}
.hero__logoTop{
  width:min(86vw, 520px);
  height:auto;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,.28));
}
.hero__logoMain{
  width:min(92vw, 680px);
  height:auto;
  filter: drop-shadow(0 14px 28px rgba(0,0,0,.30));
}
.hero__cta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:auto;
}

/* Countdown */
.deadline{
  padding:12px 12px 10px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:16px;
  background:rgba(255,255,255,.18);
  box-shadow:0 10px 28px rgba(0,0,0,.12);
  backdrop-filter: blur(10px);
}
.deadline__row{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
}
.deadline__label{font-size:.92rem;color:rgba(255,255,255,.86)}
.deadline__value{
  display:flex;align-items:baseline;gap:4px;
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.22);
}
.deadline__num{font-size:1.15rem;letter-spacing:.02em;color:#fff}
.deadline__unit{font-size:.9rem;color:rgba(255,255,255,.80)}
.deadline__note{margin:8px 0 0;font-size:.82rem;color:rgba(255,255,255,.84);line-height:1.6}

/* Sections */
.section{padding:28px 0}
.section--alt{
  background:rgba(255,255,255,.55);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.h2{
  font-size:1.45rem;line-height:1.15;margin:0 0 14px;letter-spacing:-.01em;
  display:inline-block;
  padding:12px 14px;
  border-radius:18px;
  background:rgba(255,255,255,.84);
  border:1px solid rgba(11,42,85,.18);
  box-shadow:0 14px 32px rgba(11,42,85,.10);
  position:relative;
}
.h2::before,.h2::after{
  content:"";position:absolute;width:14px;height:14px;border:2px solid rgba(11,42,85,.22);opacity:.9;
}
.h2::before{left:-8px;top:-8px;border-right:none;border-bottom:none;border-radius:6px 0 0 0}
.h2::after{right:-8px;bottom:-8px;border-left:none;border-top:none;border-radius:0 0 6px 0}

.h3{font-size:1.05rem;margin:0 0 6px}

/* Empathy */
.empathy__lead{margin:0;color:var(--muted);line-height:1.7;font-size:.L: .98rem}
.empathy__grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}
.empathy__pain{
  background:rgba(255,255,255,.82);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  box-shadow: var(--shadow2);
}
.painList{margin:10px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.painList li{position:relative;padding-left:18px;line-height:1.6}
.painList li::before{content:"•";position:absolute;left:4px;top:0;color:var(--muted)}
.empathy__miniCta{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}

/* Steps */
.steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.step{
  display:grid;grid-template-columns:44px 1fr;gap:12px;
  background:#fff;
  border: 1px solid rgba(11,42,85,.14);
  border-radius:18px;
  box-shadow: 0 10px 24px rgba(11,42,85,.06);
  padding:14px;
  position:relative;
  overflow:hidden;
}
/* ①〜③：左だけオレンジ */
.step:nth-child(-n+3)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:rgba(255,107,61,.95);
}
.step:nth-child(4)::before{display:none}

.step__num{
  width:44px;height:44px;border-radius:16px;
  display:grid;place-items:center;
  background: rgba(255,107,61,.14);
  border: 1px solid rgba(255,107,61,.45);
  color: #c55c10;
  font-weight:900;
}
.step:nth-child(4) .step__num{
  background:#f2f4f8;border:1px solid rgba(11,42,85,.14);color:#6b7a90;
}
.step__body p{margin:0;color:var(--muted)}
.step__body p + p{margin-top:8px}

/* Samples */
.sampleGrid{display:grid;gap:12px;margin-top:14px}
.sampleCard{
  margin:0;border-radius:18px;overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.82);
  box-shadow: var(--shadow2);
}
.sampleCard__img{cursor:zoom-in}
.sampleCard__img img{width:100%;height:auto}
.sampleCard__cap{
  padding:10px 12px;color:var(--muted);font-weight:900;font-size:.9rem;
}

/* Modal */
.modal{position:fixed;inset:0;z-index:90;display:none}
.modal.is-open{display:block}
.modal__backdrop{position:absolute;inset:0;background:rgba(0,0,0,.52)}
.modal__panel{
  position:relative;margin:10vh auto 0;width:min(92vw, 560px);
  background:rgba(255,255,255,.96);
  border-radius:20px;border:1px solid var(--line);
  box-shadow: var(--shadow);
  padding:12px;
}
.modal__close{
  position:absolute;right:10px;top:10px;
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.92);font-size:22px;line-height:1;
}
.modal__img{border-radius:14px;overflow:hidden}
.modal__cap{margin-top:10px;color:var(--muted);font-weight:900}

/* Price */
.price{display:grid;gap:12px;margin-top:14px}
.price__card{
  border-radius:22px;border:1px solid rgba(255,107,61,.28);
  background:rgba(255,255,255,.86);
  box-shadow: var(--shadow);
  padding:14px;
}
.price__head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px}
.price__title{font-weight:900;font-size:1.05rem}
.price__value{display:flex;align-items:baseline;gap:4px}
.yen{font-weight:900;color:rgba(11,42,85,.66)}
.num{font-weight:1000;font-size:2.0rem;letter-spacing:-.03em}
.tax{color:var(--muted);font-weight:900;font-size:.9rem}
.price__list{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.price__list li{padding-left:18px;position:relative;color:rgba(11,42,85,.88);font-weight:800}
.price__list li:before{content:"•";position:absolute;left:6px;top:0;color:rgba(255,107,61,.78)}
.price__actions{display:grid;gap:10px;margin-top:14px}

.price__side{display:grid;gap:12px}
.sideCard{
  border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  box-shadow: var(--shadow2);
  padding:14px;
}
.sideCard--warn{border-color:rgba(255,107,61,.28);background:rgba(255,107,61,.06)}

/* FAQ */
.faq{display:grid;gap:10px;margin-top:14px}
.faq__item{
  border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.78);
  box-shadow: var(--shadow2);
  padding:8px 10px;
}
.faq__item summary{
  cursor:pointer;padding:10px 8px;font-weight:900;list-style:none;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:after{content:"＋";float:right;font-weight:900;color:var(--muted)}
.faq__item[open] summary:after{content:"−"}
.faq__body{padding:0 8px 10px;color:var(--muted);font-weight:700}

/* Contact */
.contactCard{
  border-radius:22px;border:1px solid var(--line);
  background:rgba(255,255,255,.82);
  box-shadow: var(--shadow);
  padding:14px;margin-top:14px;
}
.contactCard__row{display:grid;gap:8px;padding:10px 0}
.contactCard__value{display:grid;gap:10px}

/* Sticky CTA (mobile) */
.stickyCta{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  background:rgba(246,248,251,.82);
  backdrop-filter: blur(14px);
  border-top:1px solid var(--line);
  display:grid;
  grid-template-columns:1.6fr 1fr;
  gap:10px;
}
.stickyCta__btn{
  display:flex;align-items:center;justify-content:center;
  border-radius:16px;
  padding:12px 10px;
  font-weight:1000;
  border:1px solid var(--line);
  background:rgba(255,255,255,.82);
  box-shadow: var(--shadow2);
}
.stickyCta__btn--primary{
  border-color: rgba(255,107,61,.35);
  background: linear-gradient(135deg, rgba(255,107,61,.98), rgba(255,143,98,.98));
  color:#fff;
}
.stickyCta__btn--ghost{color:var(--ink)}

/* Footer */
.footer{padding:18px 0 calc(18px + 70px);color:var(--muted)}
.footer__inner{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.footer__brand{color:var(--ink);font-weight:1000}
.footer__right{display:flex;gap:12px;flex-wrap:wrap}
.footer__right a{padding:6px 8px;border-radius:12px}
.footer__right a:hover{background:rgba(11,42,85,.06);color:var(--ink)}

/* Responsive */
@media (min-width: 760px){
  .empathy__miniCta{grid-template-columns:1fr 1fr;max-width:720px}
  .sampleGrid{grid-template-columns:repeat(3,1fr)}
  .price{grid-template-columns:1.1fr .9fr;align-items:start}
}
@media (min-width: 880px){
  :root{ --headerH:72px; }
  .brand__logo{height:44px}
  .hero__inner{gap:14px}
  .hero__cta{max-width: 560px}
  .stickyCta{display:none}
  .footer{padding-bottom:18px}
}