:root{
  --bg:#fdf5e6;
  --panel:#12151b;
  --text:#000;
  --muted:#000;
  --line:rgba(0, 0, 0, 0.952);
  --accent:#46d6ff;
  --accent2:#7cf5b7;
  --radius:18px;
  --max:1100px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans JP", sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}

img{ max-width:100%; display:block; }

.section{
  padding:64px 16px;
}
.section.alt{
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent);
}
.section-inner{
  max-width:var(--max);
  margin:0 auto;
}

.section-title{
  font-size: clamp(22px, 2.8vw, 34px);
  margin:0 0 12px;
}
.section-lead{
  margin:0 0 24px;
  color:var(--muted);
}

.header{
  position:relative;
  padding:0;
}
.header-img img{
  width:100%;
  height:60%;
  padding: auto;
}

.hero{
  max-width:var(--max);
  margin:0 auto;
  padding:24px 16px 42px;
}
.hero-title{
  text-align: center;
  font-size: clamp(26px, 3.8vw, 46px);
  margin:10px 0 10px;
}
.hero-lead{
  margin:0 0 18px;
  color:var(--muted);
  max-width:56ch;
}

.hero-cta{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin:18px 0 14px;
}

.trust-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  padding:0;
  list-style:none;
  margin:14px 0 0;
}
.trust-badges li{
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  color:var(--muted);
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:22px;
}
@media (max-width: 720px){
  .grid-2{ grid-template-columns:1fr; }
}

.card{
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  border-radius:var(--radius);
  overflow:hidden;
}
.img-block{
  width:100%;
  height:auto;
}
.card-text{
  margin:0;
  padding:12px 14px 14px;
  color:var(--muted);
  font-weight:600;
  
}

.feature{
  display:grid;
  grid-template-columns: 1.2fr 1fr;
  gap:18px;
  align-items:center;
  padding:18px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:rgba(255,255,255,.02);
  margin-top:14px;
}
.feature.reverse{
  grid-template-columns: 1fr 1.2fr;
}
.feature.reverse .feature-media{ order:2; }
.feature.reverse .feature-body{ order:1; }

.feature-media img{
  border-radius:14px;
  border:1px solid var(--line);
}
.feature-title{
  margin:0 0 8px;
  font-size:20px;
}
.feature-text{
  margin:0;
  color:var(--muted);
}
.cta-img img {
  width: px;   /* 表示サイズ（PC基準） */
  height: auto;
  display: block;
  transition: transform .15s ease, opacity .15s ease;
}
/* hover / タップ時 */
.cta-img:hover img {
  transform: translateY(1px);
  opacity: .95;
}



/* スマホ用微調整 */
@media (max-width: 520px) {
  .cta-img img {
    width: 200px;
  }
}
@media (max-width: 860px){
  .feature, .feature.reverse{
    grid-template-columns:1fr;
  }
  .feature.reverse .feature-media,
  .feature.reverse .feature-body{ order:unset; }
}

.gallery{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:12px;
  margin-top:20px;
}
@media (max-width: 760px){
  .gallery{ grid-template-columns:repeat(2, minmax(0,1fr)); }
}
.thumb{
  padding:0;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:rgba(255,255,255,.02);
  cursor:pointer;
}
.thumb img{ width:100%; height:auto; }

.price-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.note{
  padding:12px 14px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:13px;
}

.steps{
  list-style:none;
  padding:0;
  margin:18px 0 0;
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:12px;
}
.step{
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.step p{
  margin:0;
  padding:10px 12px 12px;
  color:var(--muted);
  font-weight:600;
  font-size:13px;
}
@media (max-width: 880px){
  .steps{ grid-template-columns:repeat(2, minmax(0,1fr)); }
}

.accordion{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.acc-q{
  width:100%;
  text-align:left;
  padding:14px 14px;
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  color:var(--text);
  font-size:15px;
  cursor:pointer;
}
.acc-a{
  padding:12px 14px 16px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
}
.accordion .acc-a:last-child{ border-bottom:0; }

.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
  align-items:start;
}
@media (max-width: 900px){
  .contact-grid{ grid-template-columns:1fr; }
}
.contact-media{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:rgba(255,255,255,.02);
}
.contact-points{
  margin:0;
  padding:12px 16px 16px;
  color:var(--muted);
}
.form{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
  background:rgba(255,255,255,.02);
}
.form label{
  display:block;
  font-weight:700;
  margin-bottom:10px;
}
.form input,
.form select,
.form textarea{
  width:100%;
  margin-top:6px;
  padding:10px 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.25);
  color:var(--text);
  outline:none;
}
.form textarea{ resize:vertical; }
.form-note{
  margin:10px 0 0;
  color:var(--muted);
  font-size:12px;
}

.footer{
  border-top:1px solid var(--line);
  padding:28px 16px;
}
.footer-inner{
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
}
.footer-logo{
  width:180px;
  height:auto;
  opacity:.9;
}
.footer-nav{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.footer-nav a{
  color:var(--muted);
  text-decoration:none;
}
.footer-nav a:hover{ color:var(--text); }

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 14px;
  border-radius:14px;
  border:2px solid var(--line);
  text-decoration:none;
  font-weight:800;
  cursor:pointer;
  user-select:none;
}
.btn-primary{
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color:#041018;
  border-color: transparent;
}
.btn-secondary{
  background: rgba(255,255,255,.06);
  color:var(--text);
}
.btn-ghost{
  background: rgba(255,255,255,.02);
  color:#fff;
}
.btn-full{ width:100%; }

.section-cta{
  margin-top:18px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* .sticky-cta{
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 14px;
  z-index: 50;

  display: grid;
  grid-template-columns: 1fr 1fr; 

  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(10,12,16,.72);
  backdrop-filter: blur(10px);

  width: min(620px, calc(100% - 20px)); 
}

.sticky-cta .btn-img{
  display: inline-flex;
  align-items: center;
  justify-content: center;

  min-height: 56px;   
  padding: 12px 18px; 
  border: 0;
  background: transparent;
  box-sizing: border-box;
}



.sticky-cta .btn-img{
  background: transparent;      
  border-color: transparent;    
  padding: 0;                  
}


.sticky-cta .btn-img img{
  display: block;    
  height: 150%;
  width: 100%; */

  .sticky-cta{
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 14px;
  z-index: 50;

  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;

  padding: 14px;
  
  border-radius: 18px;
  background: rgba(10,12,16,.72);
  backdrop-filter: blur(10px);

  width: min(720px, calc(100% - 16px));
}

/* 左右の“箱”を同条件で大きく */
.sticky-cta .btn{
  display: flex;
  align-items: center;
  justify-content: center;

  height: 92px;          /* ★ ここで全体を大きく */
  padding: 10px 12px;    /* ★ 画像が息苦しくならない余白 */
  border: none;
  background: transparent;
  box-shadow: none;
  outline: none;

  box-sizing: border-box;
  overflow: hidden;         /* ★ はみ出しを切る */
  border-radius: 14px;      /* 角も自然に */

  transform-origin: center;
  will-change: transform;
}



/* 画像は「横幅いっぱい」で揃える＝左右の見た目が揃う */
.sticky-cta .btn img{
  width: 100%;           /* ★ 小ささの主因を解消 */
  height: 100%;
  object-fit: contain;   /* ★ つぶさず収める */
  display: block;
  margin-top: 25px;   /* ← 4〜10pxで調整 */
}

.sticky-cta .btn img{
  width: 140%;
  height: auto;
  max-width: none;
  transform: scale(1.5);
}

/* btn1：膨らむ心臓 */
.sticky-cta a[href="#contact"]{
  animation: heart-up 1.6s ease-in-out infinite;
}

/* btn2：へこむ心臓（btn1が最大の時に最小） */
.sticky-cta a[href="#works"]{
  animation: heart-down 1.6s ease-in-out infinite;
}
/* 膨らむ側（最大が早めに来る） */
@keyframes heart-up{
  0%   { transform: scale(1); }
  10%  { transform: scale(1.07); } /* 最大 */
  20%  { transform: scale(0.93); }
  30%  { transform: scale(1.04); }
  45%  { transform: scale(1); }
  100% { transform: scale(1); }
}

/* へこむ側（同じタイミングで最小） */
@keyframes heart-down{
  0%   { transform: scale(1); }
  10%  { transform: scale(0.93); } /* 最小：btn1最大と同期 */
  20%  { transform: scale(1.07); }
  30%  { transform: scale(0.97); }
  45%  { transform: scale(1); }
  100% { transform: scale(1); }
}

/* ホバー/フォーカス中は止めたい場合（任意） */
.sticky-cta .btn:hover,
.sticky-cta .btn:focus-visible{
  animation-play-state: paused;
}

/* 動きが苦手な人向け（必須級） */
@media (prefers-reduced-motion: reduce){
  .sticky-cta a[href="#contact"],
  .sticky-cta a[href="#works"]{
    animation: none;
  }
}
@media (prefers-reduced-motion: reduce){
  .sticky-cta a[href="#contact"],
  .sticky-cta a[href="#works"]{
    animation: none;
  }
}

/* スマホ時：少し小さく */
@media (max-width: 480px){
  .sticky-cta{ grid-template-columns: 1fr 1fr; }
  .sticky-cta .btn{ height: 68px; }
  .sticky-cta a[href="#contact"] img{ transform: scale(1.65); margin-top: 15px; }
  .sticky-cta a[href="#works"] img{ transform: scale(1.65); margin-top: 15px; }
}



.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.85);
  display:none;
  place-items:center;
  z-index:80;
  padding:18px;
}
.lightbox[aria-hidden="false"]{ display:grid; }
.lightbox-img{
  max-width:min(980px, 100%);
  max-height:80vh;
  border-radius:16px;
  border:1px solid var(--line);
}
.lightbox-close{
  position:absolute;
  top:14px;
  right:14px;
  width:44px;
  height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.08);
  color:var(--text);
  font-size:22px;
  cursor:pointer;
}