:root{
--bg:#F3F1ED;
--txt:#2A2A2A;
--brand:#2E8B6D;
--accent:#7BC0A3;
--line:#E2DDD5;
--radius-lg:20px;
--radius-md:14px;
--shadow:0 6px 24px rgba(0,0,0,.08);
--shadow-lg:0 12px 48px rgba(0,0,0,.12);
--container:1100px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
margin:0;color:var(--txt);background:var(--bg);
font-family: system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Meiryo",sans-serif;
font-size:17px;
line-height:1.9;-webkit-text-size-adjust:100%;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{text-decoration:underline;color:#1f5f4b}
.u-link{text-decoration:underline}
.u-note{font-size:.98rem;opacity:.9}
.u-nowrap{white-space:nowrap}
.u-br{display:none}
@media (min-width: 768px){ .u-br{display:inline} }
.container{width:min(100%, var(--container));max-width:var(--container);margin:0 auto;padding:0 16px}
.section{padding:80px 0}
.section--alt{background:#fff}
.section--accent{background:linear-gradient(135deg, rgba(123,192,163,.1), rgba(46,139,109,.05));}
.section__head{margin-bottom:48px;text-align:center}
.section__title{
font-size:clamp(2.1rem, 3.4vw, 2.8rem);
margin:0;
color:var(--brand);
font-weight:900;
letter-spacing:.02em;
position:relative;
display:inline-block;
text-shadow:0 2px 0 rgba(46,139,109,.12);
}
.section__title::after{
content:"";display:block;height:6px;width:96px;margin:12px auto 0;
background:linear-gradient(90deg, var(--brand), var(--accent));
border-radius:6px;box-shadow:0 6px 0 rgba(46,139,109,.12);
}
.section__subtitle{margin:8px 0 0;opacity:.9}
.h3{font-size:1.35rem;margin:24px 0 8px}
.site-header{
position:sticky;top:0;z-index:50;background:rgba(243,241,237,.92);
backdrop-filter: blur(12px);border-bottom:1px solid var(--line);transition:all .3s ease;
box-shadow:0 2px 12px rgba(0,0,0,.04);
}
.site-header.is-scrolled{padding-block:6px;background:rgba(243,241,237,.98);box-shadow:0 4px 16px rgba(0,0,0,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand img{display:block;transition:transform .2s ease}
.brand:hover img{transform:scale(1.03)}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;align-items:center}
.site-nav a{display:inline-block;padding:10px 14px;border-radius:12px;font-weight:600;transition:all .2s ease}
.site-nav a:hover,.site-nav a:focus-visible{background:#fff;text-decoration:none;outline:2px solid transparent;box-shadow:0 2px 8px rgba(0,0,0,.06);transform:translateY(-1px)}
.nav-toggle{display:none;position:relative;width:44px;height:36px;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;transition:all .2s ease}
.nav-toggle:hover{box-shadow:0 2px 8px rgba(0,0,0,.08)}
.nav-toggle__bar{content:"";position:absolute;left:10px;right:10px;height:2px;background:var(--txt);transition:.2s;top:50%;transform:translateY(-50%)}
.nav-toggle__bar::before,.nav-toggle__bar::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--txt);transition:.2s}
.nav-toggle__bar::before{top:-8px}
.nav-toggle__bar::after{top:8px}
.nav-open .nav-toggle__bar{background:transparent}
.nav-open .nav-toggle__bar::before{transform:translateY(8px) rotate(45deg)}
.nav-open .nav-toggle__bar::after{transform:translateY(-8px) rotate(-45deg)}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:14px 24px;border-radius:14px;border:1px solid var(--brand);box-shadow:var(--shadow);font-weight:800;transition:all .3s ease;line-height:1.2;cursor:pointer}
.btn:hover{text-decoration:none;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 8px 32px rgba(46,139,109,.25)}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand);box-shadow:0 2px 12px rgba(0,0,0,.06)}
.btn--outline:hover{background:var(--brand);color:#fff}
.btn--small{padding:10px 16px;border-radius:12px;font-size:.95rem}
.hero{position:relative;overflow:hidden;padding-top:80px}
.hero--key{
padding:60px 0;min-height:90vh;display:flex;align-items:center;justify-content:center;
background:
radial-gradient(900px 450px at 25% 25%, rgba(123,192,163,.16), transparent 65%),
radial-gradient(700px 400px at 75% 35%, rgba(46,139,109,.14), transparent 65%),
radial-gradient(600px 350px at 50% 85%, rgba(123,192,163,.18), transparent 65%);
}
.hero--key::after{
content:"";position:absolute;left:0;right:0;bottom:-1px;height:180px;
background:linear-gradient(to bottom, rgba(243,241,237,0) 0%, var(--bg) 90%);
pointer-events:none;
}
.hero__drops{position:absolute;inset:0;pointer-events:none}
.drop{position:absolute;border-radius:50%;background:radial-gradient(circle, rgba(46,139,109,.35) 40%, rgba(46,139,109,0) 75%);transform:scale(0);opacity:0;animation:dropEffect 16s ease-in-out infinite}
@keyframes dropEffect{0%{transform:scale(0);opacity:0}10%{opacity:.5}35%{opacity:.8}100%{transform:scale(6.5);opacity:0}}
.hero__inner--center{text-align:center;max-width:1200px}
.hero__logo{margin:0 auto 18px}
.hero__title{font-size:clamp(2.2rem, 4vw, 3.2rem);margin:0 0 16px;color:var(--brand);font-weight:900;letter-spacing:.02em}
.hero__lead{margin:0 0 6px;font-size:clamp(1.05rem, 2vw, 1.25rem);opacity:.95;max-width:800px;margin:0 auto}
.about__body{max-width:900px;margin:0 auto;background:#fff;padding:32px;border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--line)}
.about__body p{margin:1em 0}
.cards{display:grid;gap:24px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.cards--2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);min-height:100%;transition:all .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card__media{margin:-12px -12px 16px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.card__media img{width:100%;height:100%;object-fit:cover;aspect-ratio: 4 / 3; display:block;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__title{margin:.2rem 0 .6rem;font-size:1.3rem;font-weight:800;color:var(--brand)}
.card__text{margin:.2rem 0 .2rem;line-height:1.75}
.services-intro{max-width:840px;margin:0 auto 32px;opacity:.95;font-size:1.08rem}
.product{display:grid;gap:32px;align-items:center}
.product--enhanced{
position:relative;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow-lg);
padding:40px;overflow:hidden;
}
.product--enhanced::before,
.product--enhanced::after{
content:"";position:absolute;border-radius:50%;filter:blur(24px);pointer-events:none}
.product--enhanced::before{
width:600px;height:600px;left:-120px;top:-160px;background:radial-gradient(closest-side, rgba(123,192,163,.28), transparent 70%)}
.product--enhanced::after{
width:560px;height:560px;right:-160px;bottom:-160px;background:radial-gradient(closest-side, rgba(46,139,109,.22), transparent 70%)}
.product__art{order:2;position:relative;z-index:1}
.product__art img{border-radius:20px;box-shadow:0 8px 32px rgba(0,0,0,.1)}
.product__content{order:1;position:relative;z-index:1}
.product__eyebrow{letter-spacing:.14em;font-weight:800;color:#1f5f4b;margin:0 0 8px;font-size:.95rem}
.product__lead{margin:.2rem 0 1rem;font-size:1.15rem;line-height:1.8}
.list-check{list-style:none;padding:0;margin:0 0 16px 0}
.list-check li{padding-left:32px;position:relative;margin:.5rem 0;line-height:1.7}
.list-check li::before{
content:"✓";position:absolute;left:0;top:.25rem;width:22px;height:22px;border-radius:50%;
background:linear-gradient(135deg,var(--accent),var(--brand));box-shadow:0 0 0 4px rgba(123,192,163,.2);
display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;font-weight:900}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.badge{display:inline-block;padding:10px 14px;border-radius:999px;background:rgba(46,139,109,.1);border:1px solid rgba(46,139,109,.3);font-weight:800;color:#1f5f4b;font-size:.9rem;transition:all .2s ease}
.badge:hover{background:rgba(46,139,109,.18);transform:scale(1.05)}
.product__actions{margin-top:20px}
.news{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);max-width:900px;margin:0 auto}
.news__item{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);font-size:1.02rem;transition:background .2s ease}
.news__item:hover{background:rgba(123,192,163,.04);padding-left:12px;padding-right:12px;margin-left:-12px;margin-right:-12px;border-radius:12px}
.news__date{font-variant-numeric:tabular-nums;color:#555;font-weight:700}
.info-table{width:100%;border-collapse:separate;border-spacing:0 14px}
.info-table th,.info-table td{padding:18px 22px;background:#fff;border:1px solid var(--line)}
.info-table th{width:220px;background:#F6F5F2;font-weight:800;text-align:left;color:var(--brand)}
.info-table tr:first-child th{border-top-left-radius:12px}.info-table tr:first-child td{border-top-right-radius:12px}
.info-table tr:last-child th{border-bottom-left-radius:12px}.info-table tr:last-child td{border-bottom-right-radius:12px}
.info-table .note{opacity:.8;font-size:.95rem}
.map-btn{display:inline-block;margin-left:10px;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);color:var(--txt);font-weight:700;transition:all .2s ease}
.map-btn:hover{text-decoration:none;filter:brightness(1.02);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,0,0,.1)}
.map-embed{border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);background:#fff}
.map-embed iframe{width:100%;height:480px;border:0;display:block}
.form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow-lg)}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__field--full{grid-column:1 / -1}
.form__field label{display:block;margin:0 0 8px;font-weight:700;color:var(--brand)}
.form__field input,.form__field select,.form__field textarea{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:#fff;font:inherit;transition:all .2s ease}
.form__field input:focus-visible,.form__field select:focus-visible,.form__field textarea:focus-visible{outline:3px solid rgba(46,139,109,.3);border-color:var(--brand);box-shadow:0 0 0 4px rgba(46,139,109,.08)}
.form__check{display:flex;align-items:flex-start;gap:12px}
.form__check input{width:22px;height:22px;margin-top:3px;cursor:pointer}
.form__check label{font-weight:600}
.form__actions{margin-top:12px}
.req{color:#b21;font-weight:800;border:1px solid #f1c4c4;border-radius:6px;padding:3px 8px;font-size:.8rem;background:#fff4f4}
.form__error{color:#b21;font-size:.9rem;min-height:1.2em;margin:.4rem 0 0}
input[aria-invalid="true"], textarea[aria-invalid="true"]{border-color:#d66;background:#fff6f6}
.site-footer{border-top:1px solid var(--line);padding:32px 0;background:#fff;box-shadow:0 -2px 12px rgba(0,0,0,.04)}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.footer-nav a{margin-right:18px;font-weight:600}
.footer-contact{margin:0;font-weight:800;color:#1f5f4b}
.footer-copy{margin:0;opacity:.9;font-size:.95rem}
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{position:fixed;left:12px;top:12px;width:auto;height:auto;background:#000;color:#fff;padding:10px;border-radius:10px;z-index:100}
.to-top{position:fixed;right:20px;bottom:20px;border:none;background:var(--brand);color:#fff;width:52px;height:52px;border-radius:16px;box-shadow:var(--shadow-lg);cursor:pointer;display:none;transition:all .3s ease;font-size:1.2rem}
.to-top:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(46,139,109,.35)}
.to-top:focus-visible{outline:3px solid rgba(46,139,109,.35)}
.to-top.show{display:block;animation:fadeInUp .3s ease}
.js-inview{opacity:0;transform:translateY(20px);transition:opacity .7s ease, transform .7s ease}
.js-inview.inview{opacity:1;transform:none}
.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;border:0;clip:rect(0 0 0 0);overflow:hidden}
.prose{line-height:1.9}
.prose p{margin:1.2em 0}
.prose p:first-child{margin-top:0}
.prose p:last-child{margin-bottom:0}

@media (min-width: 961px) {
  .product{grid-template-columns:1.15fr 1fr}
  .product__art{order:1}
  .product__content{order:2}
}

@media (max-width: 960px) {
  .product--enhanced { padding: 28px; }
}

@media (max-width: 900px) {
  .cards--3 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .site-nav { position: absolute; inset: 68px 16px auto 16px; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow-lg); padding: 8px; display: none; }
  .site-nav ul { flex-direction: column; align-items: stretch; }
  .site-nav li { width: 100%; }
  .site-nav a { padding: 14px; border-radius: 10px; display: block; width: 100%; text-align: left; }
  .nav-open #site-nav { display: block; animation: slideDown .3s ease; }
  
  /* Mobile header scroll behavior */
  .site-header {
    transform: translateY(-100%);
    transition: transform .3s ease, background .3s ease, box-shadow .3s ease;
  }
  .site-header.mobile-visible {
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  body { font-size: 16px; }
  .section { padding: 60px 0; }
  .section__head { margin-bottom: 30px; }
  .section__title { font-size: 2rem; }
  .hero--key { min-height: auto; padding: 50px 0; }
  .hero__logo { width: 200px; margin-bottom: 20px; }
  .hero__title { font-size: 2.2rem; }
  .hero__lead { font-size: 1.1rem; }
  .about__body { padding: 25px; }
  .cards--3, .cards--2 { grid-template-columns: 1fr; }
  .card { padding: 20px; }
  .product--enhanced { padding: 25px; }
  .news__item { grid-template-columns: 1fr; gap: 10px; }
  .info-table th, .info-table td { display: block; width: 100%; border-radius: 0 !important; }
  .info-table th { border-bottom: none; border-top-left-radius: 12px !important; border-top-right-radius: 12px !important; }
  .info-table td { border-top: none; border-bottom-left-radius: 12px !important; border-bottom-right-radius: 12px !important; }
  .map-btn { margin-left: 0; margin-top: 10px; display: block; text-align: center; }
  .map-embed iframe { height: 300px; }
  .form__grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  
  /* Disable key visual effects on mobile for readability */
  .hero--key {
    background: var(--bg) !important;
  }
  .hero--key::after {
    display: none !important;
  }
  .hero__drops {
    display: none !important;
  }
  .drop {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 15px; }
  .section { padding: 40px 0; }
  .section__title { font-size: 1.8rem; }
  .hero--key { padding: 30px 0; }
  .hero__logo { width: 160px; }
  .hero__title { font-size: 1.8rem; }
  .hero__lead { font-size: 1rem; }
  .about__body { padding: 20px; }
  .card { padding: 15px; }
  .card__title { font-size: 1.1rem; }
  .product--enhanced { padding: 20px; }
  .product__lead { font-size: 1rem; }
  .list-check li { padding-left: 25px; }
  .list-check li::before { width: 18px; height: 18px; font-size: 0.7rem; }
  .badge { padding: 6px 10px; font-size: 0.75rem; }
  .news__item { font-size: 0.95rem; }
  .info-table th, .info-table td { padding: 12px 15px; }
  .map-embed iframe { height: 220px; }
  .form { padding: 20px; }
  .form__field input, .form__field select, .form__field textarea { padding: 12px; }
  .footer-contact, .footer-copy { font-size: 0.9rem; }
}


/* === Mobile container width fix (2025-10-05) === */
@media (max-width: 768px) {
  .container {
    width: 100% !important;
    max-width: 100% !important;
    padding-inline: 16px;
  }
}