@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Noto+Sans+JP:wght@400;500;700;900&display=swap');

:root {
  --teal:#00a8a8; --teal-dark:#007777; --teal-light:#3fd2d2;
  --coral:#ff6b6b; --bg:#f4f8fb; --text:#222; --muted:#666;
  --card:#fff; --radius:18px; --shadow:0 10px 22px rgba(0,0,0,0.07);
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:'Outfit','Noto Sans JP',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{text-decoration:none;color:inherit}

/* ================================================================
   LANGUAGE SYSTEM
   - Inline <script> in every <head> sets body class immediately
     so there is ZERO flash of wrong language content.
   ================================================================ */

/* Step 1: hide ALL bilingual elements by default */
.jp-only, .en-only { display: none !important; }

/* Step 2: reveal the correct set once body class is known */
/* -- block-level elements -- */
body.lang-jp .jp-only { display: block !important; }
body.lang-en .en-only { display: block !important; }
/* -- inline elements (spans inside headings, nav links, etc.) -- */
body.lang-jp span.jp-only { display: inline !important; }
body.lang-en span.en-only { display: inline !important; }
/* -- flex children (used in some layout wrappers) -- */
body.lang-jp div.jp-only { display: flex !important; }
body.lang-en div.en-only { display: flex !important; }
/* -- table cells if ever needed -- */
body.lang-jp td.jp-only, body.lang-jp th.jp-only { display: table-cell !important; }
body.lang-en td.en-only, body.lang-en th.en-only { display: table-cell !important; }
/* -- list items -- */
body.lang-jp li.jp-only { display: list-item !important; }
body.lang-en li.en-only { display: list-item !important; }

/* ===== LANGUAGE TOGGLE BUTTON ===== */
.lang-toggle {
  display:flex; align-items:center; gap:3px;
  background:rgba(0,168,168,.08); border-radius:999px; padding:3px;
  border:1px solid rgba(0,168,168,.18); margin-left:4px; flex-shrink:0;
}
.lang-btn {
  padding:5px 13px; border-radius:999px; font-size:.8rem; font-weight:800;
  cursor:pointer; border:none; background:transparent; color:var(--muted);
  transition:all .18s; font-family:inherit; white-space:nowrap;
}
.lang-btn.active{background:var(--teal);color:#fff;box-shadow:0 2px 8px rgba(0,168,168,.25)}
.lang-btn:hover:not(.active){color:var(--teal-dark)}

/* ===== HEADER ===== */
header{position:sticky;top:0;z-index:100;background:rgba(244,248,251,.97);backdrop-filter:blur(12px);border-bottom:1px solid rgba(0,0,0,.06)}
.nav{max-width:1120px;margin:auto;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;gap:10px;align-items:center}
.logo{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#00c4c4,#007777);display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff;font-size:.9rem;flex-shrink:0}
.brand strong{font-size:1.05rem;font-weight:800}
.brand small{color:var(--muted);display:block;margin-top:1px;font-size:.7rem}
nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap}
nav a{font-size:.88rem;color:var(--muted);padding:6px 10px;border-radius:999px;font-weight:500;transition:all .15s;white-space:nowrap}
nav a:hover{background:rgba(0,168,168,.09);color:var(--teal-dark)}
nav a.active{background:rgba(0,168,168,.12);color:var(--teal-dark);font-weight:700}
nav a.cta{background:var(--coral);color:#fff !important;padding:8px 16px;border-radius:999px;font-weight:800;box-shadow:0 4px 14px rgba(255,107,107,.3)}
nav a.cta:hover{background:#e55a5a}
@media(max-width:900px){nav{display:none}}

/* ===== PAGE HERO ===== */
.page-hero{background:linear-gradient(135deg,var(--teal-dark) 0%,var(--teal) 50%,var(--teal-light) 100%);color:#fff;padding:60px 16px 50px;text-align:center}
.page-hero .kicker{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.75);font-weight:900;margin-bottom:8px}
.page-hero h1{font-size:2.2rem;margin:0 0 10px;font-weight:900}
.page-hero p{max-width:640px;margin:0 auto;opacity:.92;font-size:1.02rem}

/* ===== WRAP / LAYOUT ===== */
.wrap{max-width:1120px;margin:auto;padding:54px 16px}
.section-title{font-size:1.65rem;margin:0 0 8px;font-weight:800}
.section-sub{color:var(--muted);max-width:900px;margin:0 0 26px;font-size:.97rem}
.kicker{font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:#8a8a8a;font-weight:900;margin:0 0 6px}

/* ===== CARDS ===== */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media(max-width:1024px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:var(--shadow);min-height:200px;display:flex;flex-direction:column;border:1px solid rgba(0,0,0,.04);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 16px 28px rgba(0,0,0,.11)}
.icon{font-size:1.8rem;margin-bottom:6px}
.pill{display:inline-block;font-size:.7rem;padding:2px 9px;border-radius:999px;background:rgba(0,168,168,.08);color:var(--teal-dark);font-weight:900;letter-spacing:.06em;width:fit-content;margin-bottom:8px}
.pill.coral{background:rgba(255,107,107,.1);color:#a33a3a}
.card h4{margin:0 0 2px;font-weight:700}
.card .card-sub{color:var(--muted);display:block;margin-bottom:8px;font-size:.82rem}
.card p{font-size:.91rem;margin:0 0 10px;color:#444;flex:1}
.card .card-link{margin-top:auto;color:var(--teal-dark);font-weight:800;font-size:.9rem;display:block}
.card .card-link:hover{text-decoration:underline}
.price{font-weight:900;color:var(--text);margin-top:8px;font-size:1.05rem}
.badge{display:inline-block;margin-left:6px;padding:2px 8px;border-radius:999px;font-size:.7rem;font-weight:900;background:rgba(255,107,107,.1);color:#a33a3a}

/* ===== DETAIL BLOCK ===== */
.detail{background:#fff;border-radius:22px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.04);padding:26px 22px;margin-bottom:24px}
.detail h3{margin:0 0 6px;font-size:1.3rem;font-weight:800}
.detail .sub{margin:0 0 16px;color:var(--muted)}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:820px){.cols{grid-template-columns:1fr}}
.box{background:rgba(0,168,168,.05);border:1px solid rgba(0,168,168,.12);border-radius:16px;padding:16px}
.box h4{margin:0 0 8px;font-weight:700}
ul{margin:8px 0 0 18px}
ul li{margin-bottom:5px;font-size:.93rem}
.note{margin-top:14px;font-size:.92rem;color:#444;padding:14px 16px;border-left:4px solid var(--teal);background:rgba(0,0,0,.02);border-radius:12px}

/* ===== SHOP ===== */
.shop-wrap{background:linear-gradient(180deg,rgba(0,168,168,.06),rgba(255,255,255,1));border-radius:26px;padding:22px 20px;border:1px solid rgba(0,0,0,.04);box-shadow:var(--shadow)}
.shop-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 18px}
.shop-tabs a{display:inline-block;padding:7px 13px;border-radius:999px;border:1px solid rgba(0,168,168,.18);background:#fff;color:var(--teal-dark);font-weight:700;font-size:.86rem;transition:all .15s}
.shop-tabs a:hover,.shop-tabs a.active{background:var(--teal);color:#fff;border-color:var(--teal)}
.hr{height:1px;background:rgba(0,0,0,.06);margin:20px 0}
.smallprint{color:var(--muted);font-size:.86rem;margin-top:10px}

/* ===== CTA BANNER ===== */
.cta-banner{margin-top:22px;background:linear-gradient(135deg,var(--teal),#3fd2d2);color:#fff;border-radius:22px;padding:24px 22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;box-shadow:0 18px 40px rgba(0,0,0,.10)}
.cta-banner .cta-text b{font-size:1.12rem;display:block;margin-bottom:6px}
.cta-banner .cta-text p{margin:4px 0 0;opacity:.95;max-width:680px;font-size:.95rem}
.cta-banner a{background:#fff;color:var(--teal-dark);padding:13px 22px;border-radius:999px;font-weight:900;box-shadow:0 10px 24px rgba(0,0,0,.15);white-space:nowrap;transition:transform .15s,box-shadow .15s}
.cta-banner a:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2)}

/* ===== FOOTER ===== */
footer{background:#fff;border-top:1px solid rgba(0,0,0,.06);margin-top:60px;padding:40px 16px}
.footer-inner{max-width:1120px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}
@media(max-width:900px){.footer-inner{grid-template-columns:1fr 1fr}}
@media(max-width:540px){.footer-inner{grid-template-columns:1fr}}
.footer-inner h4{margin:0 0 12px;font-weight:800}
.footer-inner a{display:block;color:var(--muted);font-size:.9rem;padding:3px 0}
.footer-inner a:hover{color:var(--teal-dark);text-decoration:underline}
.footer-copy{max-width:1120px;margin:24px auto 0;padding-top:20px;border-top:1px solid rgba(0,0,0,.06);color:var(--muted);font-size:.84rem;text-align:center}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float{position:fixed;bottom:28px;right:24px;z-index:999;width:58px;height:58px;border-radius:50%;background:#25d366;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 20px rgba(37,211,102,.4);transition:transform .2s,box-shadow .2s;cursor:pointer}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 10px 28px rgba(37,211,102,.5)}
.whatsapp-float svg{width:30px;height:30px}
.whatsapp-tooltip{position:absolute;right:68px;top:50%;transform:translateY(-50%);background:#333;color:#fff;padding:6px 12px;border-radius:8px;font-size:.82rem;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s}
.whatsapp-float:hover .whatsapp-tooltip{opacity:1}

/* ===== CONTACT ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-form{background:#fff;border-radius:22px;padding:30px;box-shadow:var(--shadow)}
.contact-form h3{margin:0 0 6px;font-weight:800;font-size:1.3rem}
.contact-form .sub{color:var(--muted);margin:0 0 22px;font-size:.93rem}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-weight:700;font-size:.88rem;margin-bottom:6px;color:#444}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px 14px;border:1.5px solid rgba(0,0,0,.1);border-radius:12px;font-family:inherit;font-size:.93rem;background:#fafafa;color:var(--text);transition:border-color .15s}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--teal);background:#fff}
.form-group textarea{resize:vertical;min-height:100px}
.form-submit{width:100%;padding:14px;background:var(--teal);color:#fff;border:none;border-radius:999px;font-family:inherit;font-size:1rem;font-weight:800;cursor:pointer;transition:background .15s,transform .15s}
.form-submit:hover{background:var(--teal-dark);transform:translateY(-1px)}
.contact-info{display:flex;flex-direction:column;gap:16px}
.info-card{background:#fff;border-radius:18px;padding:20px;box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.04);display:flex;gap:14px;align-items:flex-start}
.info-card .info-icon{font-size:1.6rem;flex-shrink:0}
.info-card h4{margin:0 0 4px;font-weight:700}
.info-card p{margin:0;color:var(--muted);font-size:.91rem}
.info-card a{color:var(--teal-dark);font-weight:600}
.success-msg{display:none;background:rgba(0,168,168,.08);border:2px solid var(--teal);border-radius:14px;padding:16px 18px;margin-top:14px;color:var(--teal-dark);font-weight:700;font-size:.95rem;text-align:center}

/* ===== FAQ ===== */
.faq-item{background:#fff;border-radius:14px;margin-bottom:10px;box-shadow:0 2px 8px rgba(0,0,0,.05);border:1px solid rgba(0,0,0,.04);overflow:hidden}
.faq-q{padding:16px 18px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none}
.faq-q:hover{background:rgba(0,168,168,.03)}
.faq-q .arrow{font-size:1.1rem;transition:transform .2s;color:var(--teal-dark)}
.faq-a{display:none;padding:0 18px 16px;color:#555;font-size:.93rem;line-height:1.7}
.faq-item.open .faq-a{display:block}
.faq-item.open .arrow{transform:rotate(180deg)}
