:root{
  --navy:#10243f; --navy2:#1b3a63; --accent:#f7941d; --accent2:#ffb84d;
  --ink:#1d2734; --muted:#5b6b7d; --line:#e3e8ee; --bg:#f6f8fb; --white:#fff;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",Meiryo,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--navy2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(16,36,63,.96);backdrop-filter:blur(6px);
  box-shadow:0 1px 0 rgba(255,255,255,.06)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.1rem}
.brand .logo{height:30px;width:auto;display:block}
.brand span small{display:block;font-weight:400;font-size:.62rem;letter-spacing:.18em;color:var(--accent2)}
.nav{display:flex;gap:4px}
.nav a{color:#dbe4f0;padding:8px 14px;border-radius:8px;font-size:.92rem}
.nav a:hover{background:rgba(255,255,255,.1);text-decoration:none;color:#fff}
.nav a.active{color:#fff;background:rgba(247,148,29,.22)}
.nav a.tel-btn{background:var(--accent);color:#fff;font-weight:700}
.nav a.tel-btn:hover{background:var(--accent2);color:#10243f}
.nav-toggle{display:none}

/* hero */
.hero{position:relative;background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;
  padding:92px 0 84px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;bottom:-80px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(247,148,29,.28),transparent 70%);border-radius:50%}
.hero h1{font-size:2.4rem;margin:0 0 16px;line-height:1.5}
.hero h1 .em{color:var(--accent2)}
.hero p{font-size:1.05rem;color:#cfdcec;max-width:620px}
.hero .btns{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;font-size:.96rem}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);text-decoration:none}
.btn-ghost{border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);text-decoration:none}

/* sections */
section.block{padding:64px 0}
.section-head{text-align:center;margin-bottom:40px}
.section-head .en{display:block;color:var(--accent);font-size:.8rem;letter-spacing:.25em;font-weight:700}
.section-head h2{font-size:1.7rem;margin:6px 0 0}
.lead{text-align:center;color:var(--muted);max-width:680px;margin:0 auto 8px}

.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px;
  box-shadow:0 6px 18px rgba(16,36,63,.04);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(16,36,63,.10)}
.card .ico{width:46px;height:46px;border-radius:10px;background:rgba(247,148,29,.14);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card h3{margin:.2em 0 .4em;font-size:1.15rem}
.card p{margin:0;color:var(--muted);font-size:.95rem}

.alt{background:var(--white)}
.feature-row{display:flex;gap:36px;align-items:center}
.feature-row .num{font-size:3rem;font-weight:800;color:var(--accent);line-height:1}

table.info{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table.info th,table.info td{text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:.96rem;vertical-align:top}
table.info th{background:#f0f4f9;width:180px;color:var(--navy);font-weight:700}
table.info tr:last-child th,table.info tr:last-child td{border-bottom:0}
.ph{color:#b00;background:#fff4f4;border:1px dashed #f3b2b2;border-radius:6px;padding:0 6px;font-size:.85em}

/* cta */
.cta{background:linear-gradient(135deg,var(--accent),#e07c00);color:#fff;text-align:center;padding:56px 0}
.cta h2{margin:0 0 10px;font-size:1.6rem}
.cta p{margin:0 0 22px;color:#fff4e6}
.cta .btn-primary{background:#fff;color:#c96b00}
.cta .btn-primary:hover{background:#fff0db}

/* footer */
.site-footer{background:var(--navy);color:#aebfd2;padding:40px 0 24px;font-size:.9rem}
.site-footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:22px}
.site-footer .brand{color:#fff;margin-bottom:8px}
.site-footer a{color:#cdd9e8}
.site-footer .copy{border-top:1px solid rgba(255,255,255,.1);padding-top:16px;text-align:center;font-size:.82rem;color:#8aa0ba}

.page-hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;padding:54px 0}
.page-hero h1{margin:0;font-size:1.9rem}
.page-hero .en{color:var(--accent);font-size:.78rem;letter-spacing:.25em;font-weight:700}
.breadcrumb{font-size:.82rem;color:var(--muted);padding:14px 0}

@media(max-width:820px){
  .grid-3,.grid-2{grid-template-columns:1fr}
  .feature-row{flex-direction:column;gap:14px;text-align:center}
  /* ヘッダー：ブランド＋電話ボタンを常時表示。スクロール用リンクは省略 */
  .site-header .container{height:auto;padding:9px 14px;gap:10px}
  .brand{font-size:.98rem}
  .brand .logo{width:30px;height:30px}
  .brand span small{font-size:.55rem;letter-spacing:.12em}
  .nav{gap:6px}
  .nav a:not(.tel-btn){display:none}
  .nav a.tel-btn{padding:9px 13px;font-size:.9rem;white-space:nowrap;border-radius:8px}
  /* ヒーロー */
  .hero{padding:58px 0 54px}
  .hero h1{font-size:1.55rem;line-height:1.45}
  .hero p{font-size:.97rem}
  .hero .btns{gap:10px}
  .btn{padding:12px 18px;font-size:.92rem}
  /* セクション */
  section.block{padding:48px 0}
  .section-head h2{font-size:1.4rem}
  .lead{padding:0 6px;font-size:.95rem}
  .cta h2{font-size:1.35rem}
  table.info th{width:110px;padding:13px 12px}
  table.info td{padding:13px 12px}
}
@media(max-width:380px){
  .brand span small{display:none}
  .hero h1{font-size:1.4rem}
}

/* ===== client-side effects (no libs / GPU-friendly / zero server load) ===== */
/* スクロール出現アニメ（JS有効時のみ非表示→表示。JS無効でも内容は見える） */
.js .reveal{opacity:0;transform:translateY(26px);
  transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1);will-change:opacity,transform}
.js .reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}.reveal.d5{transition-delay:.40s}.reveal.d6{transition-delay:.48s}
.reveal.d7{transition-delay:.56s}

/* ヒーローの浮遊する光（blur円・transformのみで軽量） */
.hero .blob{position:absolute;border-radius:50%;filter:blur(10px);opacity:.55;pointer-events:none;z-index:0;
  background:radial-gradient(circle,rgba(247,148,29,.55),transparent 70%);animation:float 16s ease-in-out infinite}
.hero .blob.b1{width:230px;height:230px;top:-50px;right:7%}
.hero .blob.b2{width:170px;height:170px;bottom:-50px;left:5%;animation-duration:22s;animation-direction:reverse;
  background:radial-gradient(circle,rgba(120,170,255,.4),transparent 70%)}
.hero .container{position:relative;z-index:1}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(0,-28px)}}

/* CTA電話ボタンの注目パルス */
.cta .btn-primary{animation:pulse 2.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,255,255,.55)}50%{box-shadow:0 0 0 14px rgba(255,255,255,0)}}

/* カード内アイコンのふわっと動き（hover時） */
.card:hover .ico{transform:translateY(-3px) rotate(-4deg);transition:transform .25s}

/* 動きを抑える設定の端末では全エフェクト停止 */
@media (prefers-reduced-motion: reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .hero .blob,.cta .btn-primary{animation:none}
}

/* 地図埋め込み（レスポンシブ・端末側読み込み） */
.map-wrap{position:relative;width:100%;max-width:680px;margin:26px auto 0;aspect-ratio:16/10;
  border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 6px 18px rgba(16,36,63,.06)}
.map-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@supports not (aspect-ratio:1){.map-wrap{height:360px}}
.map-note{text-align:center;color:var(--muted);font-size:.88rem;margin:12px 0 0}

/* ===== オープニング・イントロ（白地に黒・端末側描画） ===== */
html.splash-on{overflow:hidden}
#splash{position:fixed;inset:0;z-index:9999;background:#ffffff;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:opacity .8s ease,visibility .8s ease}
#splash.hide{opacity:0;visibility:hidden}
.splash-inner{text-align:center;padding:20px}
.splash-logo{width:230px;height:auto;display:block;margin:0 auto;filter:invert(1);
  opacity:0;transform:scale(.82);
  animation:sp-logo 1.1s cubic-bezier(.2,.8,.2,1) .25s forwards}
.splash-name{margin-top:30px;font-size:1.55rem;font-weight:800;color:#0b0b0c;
  letter-spacing:.55em;padding-left:.55em;
  opacity:0;transform:translateY(14px);
  animation:sp-name 1.1s ease 1.45s forwards}
.splash-name::after{content:"";display:block;width:0;height:2px;background:#0b0b0c;
  margin:16px auto 0;animation:sp-line 1s cubic-bezier(.2,.8,.2,1) 2.05s forwards}
@keyframes sp-logo{to{opacity:1;transform:scale(1)}}
@keyframes sp-name{to{opacity:1;transform:none}}
@keyframes sp-line{to{width:150px}}
@media(max-width:600px){
  .splash-logo{width:150px}
  .splash-name{font-size:1.15rem;letter-spacing:.4em;padding-left:.4em}
  @keyframes sp-line{to{width:110px}}
}
@media(prefers-reduced-motion:reduce){
  .splash-logo,.splash-name{animation:none;opacity:1;transform:none}
  .splash-name::after{animation:none;width:150px}
}