/* ============================================
   AOYAMA CHIROPRACTIC - Design C
   Clinical / Professional / Modern
   ============================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --primary:#1E3A5F;
  --primary-light:#2A4F7A;
  --accent:#2563EB;
  --accent-light:#3B82F6;
  --accent-pale:rgba(37,99,235,.06);
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --surface-alt:#F1F5F9;
  --text:#1E293B;
  --text-muted:#64748B;
  --border:rgba(0,0,0,.06);
  --font-en:'Inter',sans-serif;
  --font-jp:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --ease:cubic-bezier(.16,1,.3,1);
  --shadow-sm:0 1px 3px rgba(0,0,0,.04);
  --shadow-md:0 4px 20px rgba(0,0,0,.07);
  --shadow-lg:0 12px 40px rgba(0,0,0,.1);
  --radius:8px;
}

html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-jp);background:var(--bg);color:var(--text);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all .3s}
ul{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1100px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 20px}}

/* ========== SAMPLE BANNER ========== */
.sample-banner{
  position:fixed;top:0;left:0;right:0;
  background:rgba(30,58,95,.92);color:#fff;
  text-align:center;font-size:13px;padding:8px 16px;
  z-index:99999;letter-spacing:.5px;
  backdrop-filter:blur(4px);
}

/* ========== HEADER ========== */
.header{
  position:fixed;top:32px;left:0;right:0;z-index:9998;
  padding:14px 0;transition:all .3s;
}
.header.scrolled{
  background:rgba(248,250,252,.96);
  backdrop-filter:blur(16px);
  box-shadow:0 1px 12px rgba(0,0,0,.06);
  padding:10px 0;
}
.header-inner{max-width:1100px;margin:0 auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between}

.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:36px;height:36px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-en);font-weight:700;font-size:.9rem;
  border-radius:6px;
}
.logo-text{font-family:var(--font-en);font-size:.82rem;font-weight:700;color:var(--primary);line-height:1.2}
.logo-text small{display:block;font-weight:400;font-size:.6rem;color:var(--text-muted);letter-spacing:.04em}

.nav{display:flex;align-items:center;gap:28px}
.nav a{font-size:.82rem;font-weight:500;color:var(--text-muted);transition:color .3s}
.nav a:hover{color:var(--primary)}
.nav-cta{
  background:var(--primary)!important;color:#fff!important;
  padding:10px 22px;border-radius:999px;font-weight:600!important;
  transition:background .3s!important;
}
.nav-cta:hover{background:var(--primary-light)!important}

.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none;position:relative;z-index:10000}
.hamburger span{width:24px;height:2px;background:var(--primary);transition:.3s;display:block}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:840px){
  .hamburger{display:flex}
  .nav{position:fixed;inset:0;background:var(--bg);flex-direction:column;align-items:center;justify-content:center;gap:28px;opacity:0;visibility:hidden;transition:.4s;z-index:9999}
  .nav.open{opacity:1;visibility:visible}
  .nav a{font-size:1.1rem}
  .header-inner{padding:0 20px}
}

/* ========== HERO ========== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;
  padding:120px 40px 80px;
  background:linear-gradient(135deg,#1E3A5F 0%,#2A4F7A 40%,#2563EB 100%);
}
.hero-grid{
  position:relative;z-index:2;max-width:1100px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.hero-left{max-width:520px}
.hero-label{
  font-family:var(--font-en);font-size:.75rem;color:rgba(255,255,255,.5);
  letter-spacing:4px;margin-bottom:16px;display:block;text-transform:uppercase;
}
.hero h1{
  font-size:clamp(1.8rem,4.5vw,3rem);font-weight:700;
  color:#fff;line-height:1.4;margin-bottom:12px;
}
.hero-tagline{
  font-size:clamp(1rem,2vw,1.3rem);font-weight:300;
  color:rgba(255,255,255,.85);margin-bottom:24px;
}
.hero-desc{font-size:.9rem;color:rgba(255,255,255,.65);line-height:2;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

.hero-right{display:flex;align-items:center;justify-content:center}
.hero-spine-svg{width:100%;max-width:340px;height:auto}
.hero-spine-svg .spine-path{
  fill:none;stroke:rgba(255,255,255,.25);stroke-width:2;
  stroke-dasharray:1200;stroke-dashoffset:1200;
  transition:stroke-dashoffset 2.5s ease-out;
}
.hero-spine-svg .spine-path.drawn{stroke-dashoffset:0}
.hero-spine-svg .vertebra{
  fill:none;stroke:rgba(255,255,255,.2);stroke-width:1.5;
  opacity:0;transition:opacity .6s ease;
}
.hero-spine-svg .vertebra.visible{opacity:1}

/* Floating grid pattern */
.hero-pattern{
  position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;
}

@media(max-width:840px){
  .hero{padding:120px 20px 60px}
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-actions{justify-content:center}
  .hero-right{margin-top:20px}
  .hero-spine-svg{max-width:200px}
}

/* ========== BUTTONS ========== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;font-weight:600;padding:14px 32px;
  border-radius:var(--radius);transition:all .3s var(--ease);
  border:none;cursor:pointer;
}
.btn-primary{background:#fff;color:var(--primary)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.btn-outline{border:1.5px solid rgba(255,255,255,.3);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(37,99,235,.3)}
.btn-outline-dark{border:1.5px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline-dark:hover{background:var(--primary);color:#fff}
.btn-full{width:100%;justify-content:center}

/* ========== TRUST BAR ========== */
.trust-bar{background:var(--surface);padding:48px 0;border-bottom:1px solid var(--border)}
.trust-items{max-width:1000px;margin:0 auto;display:flex;justify-content:center;gap:48px;flex-wrap:wrap;padding:0 20px}
.trust-item{text-align:center}
.trust-num{font-family:var(--font-en);font-size:2.2rem;font-weight:700;color:var(--primary)}
.trust-unit{font-size:.85rem;color:var(--primary)}
.trust-label{display:block;font-size:.72rem;color:var(--text-muted);margin-top:4px;letter-spacing:1px}
.trust-divider{width:1px;height:40px;background:rgba(0,0,0,.08);align-self:center}
@media(max-width:768px){
  .trust-items{gap:24px}
  .trust-divider{display:none}
  .trust-item{width:40%}
}

/* ========== SECTIONS ========== */
.section{padding:100px 0}
.section-alt{background:var(--surface)}
.section-header{text-align:center;margin-bottom:56px}
.section-label{
  font-family:var(--font-en);font-size:.72rem;color:var(--accent);
  letter-spacing:4px;font-weight:600;display:block;
  margin-bottom:8px;text-transform:uppercase;
}
.section-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:700;letter-spacing:1px;color:var(--text)}
.section-line{width:40px;height:2px;background:var(--accent);margin:16px auto 0}
.section-sub{font-size:.88rem;color:var(--text-muted);margin-top:16px;max-width:600px;margin-left:auto;margin-right:auto;line-height:1.9}

@media(max-width:768px){.section{padding:72px 0}}

/* ========== APPROACH (Services) ========== */
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.approach-card{
  background:var(--surface);border-radius:var(--radius);padding:32px 28px;
  border-left:3px solid var(--accent);
  box-shadow:var(--shadow-sm);
  transition:transform .4s var(--ease),box-shadow .4s;
}
.approach-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.approach-num{
  font-family:var(--font-en);font-size:.7rem;color:var(--accent);
  letter-spacing:3px;font-weight:700;margin-bottom:12px;display:block;
}
.approach-card h3{font-size:1.05rem;font-weight:700;margin-bottom:10px;color:var(--text)}
.approach-card p{font-size:.84rem;color:var(--text-muted);line-height:1.9;margin-bottom:16px}
.approach-price{
  font-family:var(--font-en);font-size:1.1rem;font-weight:700;
  color:var(--primary);display:flex;align-items:baseline;gap:4px;
}
.approach-price small{font-size:.75rem;font-weight:400;color:var(--text-muted)}

@media(max-width:840px){.approach-grid{grid-template-columns:1fr}}

/* ========== SYMPTOMS ========== */
.symptom-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:800px;margin:0 auto}
.symptom-item{
  background:var(--surface);border-radius:var(--radius);padding:24px 28px;
  box-shadow:var(--shadow-sm);transition:all .3s;
}
.symptom-item:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.symptom-name{font-size:.95rem;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.symptom-name::before{
  content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;
}
.symptom-bar{
  height:6px;background:var(--surface-alt);border-radius:3px;overflow:hidden;
}
.symptom-bar-fill{
  height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-light));
  border-radius:3px;width:0;transition:width 1.2s var(--ease);
}
.symptom-percent{
  font-family:var(--font-en);font-size:.72rem;color:var(--text-muted);
  margin-top:4px;text-align:right;
}

@media(max-width:640px){.symptom-grid{grid-template-columns:1fr}}

/* ========== TESTIMONIALS ========== */
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testimonial-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:32px;transition:all .3s;
}
.testimonial-card:hover{box-shadow:var(--shadow-md)}
.testimonial-stars{color:#F59E0B;font-size:.85rem;margin-bottom:12px;letter-spacing:2px}
.testimonial-text{font-size:.88rem;line-height:2;margin-bottom:20px;color:var(--text)}
.testimonial-author{border-top:1px solid var(--border);padding-top:16px}
.testimonial-author strong{display:block;font-size:.88rem}
.testimonial-author span{font-size:.75rem;color:var(--text-muted)}

@media(max-width:840px){.testimonial-grid{grid-template-columns:1fr}}

/* ========== DIRECTOR ========== */
.director-block{
  max-width:900px;margin:0 auto;
  display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start;
}
.director-photo{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  border-radius:var(--radius);padding:40px 24px;text-align:center;color:#fff;
}
.director-photo-icon{
  width:80px;height:80px;border-radius:50%;
  background:rgba(255,255,255,.15);margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  font-size:2rem;
}
.director-photo h4{font-size:1.1rem;font-weight:700;margin-bottom:4px}
.director-photo p{font-size:.75rem;opacity:.7;line-height:1.6}
.director-credentials{margin-top:20px;display:flex;flex-direction:column;gap:8px}
.director-credential{
  font-size:.72rem;background:rgba(255,255,255,.1);
  padding:6px 12px;border-radius:4px;text-align:left;
}
.director-content{}
.director-msg{font-size:.92rem;line-height:2.2;margin-bottom:20px;color:var(--text)}
.director-sign{margin-top:16px}
.director-sign strong{display:block;font-size:1.15rem;margin-bottom:2px}
.director-sign span{font-size:.78rem;color:var(--text-muted)}

@media(max-width:768px){
  .director-block{grid-template-columns:1fr}
  .director-photo{max-width:300px;margin:0 auto}
}

/* ========== FLOW ========== */
.flow-timeline{max-width:700px;margin:0 auto;position:relative;padding-left:40px}
.flow-timeline::before{
  content:'';position:absolute;left:15px;top:0;bottom:0;width:2px;
  background:linear-gradient(to bottom,var(--accent),var(--primary));
}
.flow-step{position:relative;padding:0 0 48px 32px}
.flow-step:last-child{padding-bottom:0}
.flow-dot{
  position:absolute;left:-33px;top:4px;width:12px;height:12px;
  border-radius:50%;background:var(--accent);border:3px solid var(--bg);
  box-shadow:0 0 0 2px var(--accent);
}
.flow-step-num{
  font-family:var(--font-en);font-size:.7rem;color:var(--accent);
  letter-spacing:2px;font-weight:700;margin-bottom:6px;display:block;
}
.flow-step h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.flow-step p{font-size:.84rem;color:var(--text-muted);line-height:1.8}

/* ========== FAQ ========== */
.faq-list{max-width:800px;margin:0 auto;padding:0 20px}
.faq-item{border-bottom:1px solid var(--border);overflow:hidden}
.faq-q{display:flex;align-items:center;gap:16px;padding:20px 0;cursor:pointer;transition:color .3s}
.faq-q:hover{color:var(--accent)}
.faq-q span:first-child{
  font-family:var(--font-en);font-weight:700;color:var(--accent);
  font-size:1rem;min-width:28px;
}
.faq-q h3{flex:1;font-size:.95rem;font-weight:600}
.faq-icon{
  font-size:1.2rem;color:var(--accent);transition:transform .3s;
  font-family:var(--font-en);font-weight:300;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .5s var(--ease),padding .5s;
  display:flex;gap:16px;padding:0;
}
.faq-item.open .faq-a{max-height:300px;padding:0 0 20px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a span{font-family:var(--font-en);font-weight:700;color:var(--primary);font-size:1rem;min-width:28px}
.faq-a p{font-size:.86rem;color:var(--text-muted);line-height:1.9}

/* ========== CLINIC INFO ========== */
.clinic-table{max-width:800px;margin:0 auto;padding:0 20px}
.clinic-row{display:flex;border-bottom:1px solid var(--border);padding:16px 0}
.clinic-label{min-width:140px;font-size:.88rem;font-weight:600;color:var(--text)}
.clinic-value{font-size:.88rem;color:var(--text-muted)}
@media(max-width:600px){
  .clinic-row{flex-direction:column;gap:4px}
  .clinic-label{min-width:auto}
}

/* ========== CONTACT ========== */
.contact-box{max-width:800px;margin:0 auto;padding:0 20px}
.contact-info{text-align:center;margin-bottom:40px}
.contact-tel{margin-bottom:8px}
.contact-tel span{font-size:.8rem;color:var(--text-muted);margin-right:8px}
.contact-tel a{font-family:var(--font-en);font-size:2rem;font-weight:700;color:var(--primary)}
.contact-info p{font-size:.82rem;color:var(--text-muted)}
.contact-form{display:grid;gap:16px}
.contact-form input,.contact-form textarea,.contact-form select{
  width:100%;padding:14px 18px;border:1px solid rgba(0,0,0,.1);
  border-radius:var(--radius);font-size:.9rem;font-family:var(--font-jp);
  background:var(--surface);color:var(--text);transition:border-color .3s;
}
.contact-form input:focus,.contact-form textarea:focus,.contact-form select:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,.08);
}

/* ========== CTA BAND ========== */
.cta-band{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  padding:64px 0;text-align:center;color:#fff;
}
.cta-band h2{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;margin-bottom:12px}
.cta-band p{font-size:.9rem;opacity:.7;margin-bottom:28px}

/* ========== FOOTER ========== */
.footer{background:#0F172A;color:#94A3B8;padding:60px 0 30px}
.footer-inner{max-width:1100px;margin:0 auto;padding:0 40px;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{font-family:var(--font-en);font-size:1rem;font-weight:700;color:#fff;margin-bottom:12px}
.footer-desc{font-size:.8rem;line-height:1.8}
.footer h4{font-size:.82rem;font-weight:600;margin-bottom:16px;color:#E2E8F0}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer li a{font-size:.8rem;transition:color .3s}
.footer li a:hover{color:#fff}
.footer-bottom{max-width:1100px;margin:40px auto 0;padding:20px 40px 0;border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:.72rem}

@media(max-width:768px){
  .footer-inner{grid-template-columns:1fr;padding:0 20px}
  .footer-bottom{padding:20px 20px 0}
}

/* ========== ANIMATIONS ========== */
[data-anim]{opacity:0;transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-anim="slide-left"]{transform:translateX(-40px)}
[data-anim="slide-up"]{transform:translateY(30px)}
[data-anim="fade"]{transform:translateY(0)}
[data-anim].visible{opacity:1;transform:translate(0)}
[data-delay="1"]{transition-delay:.15s}
[data-delay="2"]{transition-delay:.3s}
[data-delay="3"]{transition-delay:.45s}
[data-delay="4"]{transition-delay:.6s}