/* ========== RESET & BASE ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --primary:#1B6B4A;
  --primary-light:#2D8B63;
  --primary-pale:#E8F5EE;
  --accent:#2D8B63;
  --accent-light:#3BA776;
  --white:#fff;
  --bg:#FAFDFB;
  --gray-50:#F7FAF8;
  --gray-100:#F0F5F2;
  --gray-200:#E0E8E3;
  --gray-400:#9CABA2;
  --gray-500:#6B7F73;
  --gray-600:#4B5F53;
  --gray-700:#374A3F;
  --gray-800:#1F2E26;
  --gray-900:#111C15;
  --font-en:'DM Sans',sans-serif;
  --font-jp:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --shadow-sm:0 1px 3px rgba(27,107,74,.06);
  --shadow-md:0 4px 20px rgba(27,107,74,.08);
  --shadow-lg:0 12px 40px rgba(27,107,74,.1);
  --radius:12px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-jp);background:var(--bg);color:var(--gray-800);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:all .3s}
ul{list-style:none}
.container{max-width:1120px;margin:0 auto;padding:0 40px}
.sp-only{display:none}
@media(max-width:768px){
  .container{padding:0 20px}
  .sp-only{display:inline}
}

/* ========== HEADER ========== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:16px 0;background:rgba(250,253,251,.9);
  backdrop-filter:blur(16px);border-bottom:1px solid transparent;
  transition:border-color .3s,padding .3s;
}
.header.scrolled{border-color:var(--gray-200);padding:10px 0}
.header-inner{max-width:1120px;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:var(--white);
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
}
.logo-mark svg{width:24px;height:24px}
.logo-text{font-size:.95rem;font-weight:700;color:var(--primary);line-height:1.2}
.logo-text small{font-weight:400;font-size:.6rem;color:var(--gray-500);letter-spacing:.08em;display:block}
.nav{display:flex;align-items:center;gap:32px}
.nav-list{display:flex;gap:28px}
.nav-link{font-size:.85rem;font-weight:500;color:var(--gray-600);transition:color .3s}
.nav-link:hover{color:var(--primary);opacity:1}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.85rem;font-weight:600;color:var(--white);
  background:var(--primary);padding:10px 24px;border-radius:8px;
  transition:background .3s;
}
.nav-cta:hover{background:var(--primary-light);opacity:1}

.hamburger{display:none;width:28px;height:20px;background:none;border:none;cursor:pointer;position:relative;z-index:110}
.hamburger span{display:block;width:100%;height:2px;background:var(--gray-700);position:absolute;left:0;transition:all .3s var(--ease)}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}
.hamburger span:nth-child(3){bottom:0}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}

@media(max-width:840px){
  .hamburger{display:block}
  .nav{position:fixed;inset:0;background:var(--bg);flex-direction:column;align-items:center;justify-content:center;gap:24px;opacity:0;visibility:hidden;transition:all .4s var(--ease)}
  .nav.open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:center;gap:20px}
  .nav-link{font-size:1.1rem;color:var(--gray-800)}
  .header-inner{padding:0 20px}
}

/* ========== HERO ========== */
.hero{
  min-height:100vh;display:flex;align-items:center;
  position:relative;overflow:hidden;
  padding:120px 40px 80px;
}
.hero-bg{position:absolute;inset:0}
.hero-bg-image{
  position:absolute;inset:0;
  background:url("/img/photoac/seikotsuin/seikotsuin_03.jpg") center/cover no-repeat;
  animation:heroZoom 20s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(27,107,74,.88) 0%,rgba(27,107,74,.7) 50%,rgba(27,107,74,.5) 100%);
}
.hero-content{position:relative;max-width:1120px;margin:0 auto;width:100%}
.hero-badge{display:flex;align-items:center;gap:12px;margin-bottom:24px;color:rgba(255,255,255,.7);font-family:var(--font-en);font-size:.85rem;letter-spacing:.1em}
.hero-badge-line{width:40px;height:1px;background:rgba(255,255,255,.4)}
.hero-title{
  font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:900;
  color:var(--white);line-height:1.3;margin-bottom:24px;
}
.hero-desc{font-size:1.05rem;color:rgba(255,255,255,.8);line-height:2;max-width:500px;margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.hero-insurance{display:flex;gap:10px;flex-wrap:wrap}
.hero-insurance-badge{
  font-size:.75rem;font-weight:500;color:var(--white);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  padding:6px 14px;border-radius:100px;
  backdrop-filter:blur(4px);
}

.hero-scroll{position:absolute;bottom:40px;left:50%;transform:translateX(-50%)}
.hero-scroll-mouse{
  width:24px;height:38px;border:2px solid rgba(255,255,255,.4);
  border-radius:12px;position:relative;
}
.hero-scroll-dot{
  width:4px;height:8px;background:var(--white);border-radius:2px;
  position:absolute;top:6px;left:50%;transform:translateX(-50%);
  animation:scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot{0%,100%{opacity:1;transform:translateX(-50%) translateY(0)}50%{opacity:.3;transform:translateX(-50%) translateY(12px)}}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;padding:14px 32px;
  border-radius:8px;transition:all .3s var(--ease);
}
.btn--primary{background:var(--white);color:var(--primary)}
.btn--primary:hover{opacity:1;transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,255,255,.3)}
.btn--outline{background:transparent;color:var(--white);border:1.5px solid rgba(255,255,255,.4)}
.btn--outline:hover{background:rgba(255,255,255,.1);border-color:var(--white);opacity:1}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;color:var(--accent);
  transition:gap .3s var(--ease);
}
.link-arrow:hover{gap:14px;opacity:1}

@media(max-width:768px){.hero{padding:120px 20px 80px}}

/* ========== TRUST BAR ========== */
.trust-bar{background:var(--primary);padding:32px 0}
.trust-items{display:flex;align-items:center;justify-content:center;gap:48px}
.trust-item{text-align:center;color:var(--white)}
.trust-num{font-family:var(--font-en);font-size:2rem;font-weight:700}
.trust-unit{font-family:var(--font-en);font-size:.9rem;font-weight:500;opacity:.8}
.trust-label{display:block;font-size:.75rem;opacity:.7;margin-top:4px}
.trust-divider{width:1px;height:40px;background:rgba(255,255,255,.15)}
@media(max-width:768px){
  .trust-items{flex-wrap:wrap;gap:24px}
  .trust-divider{display:none}
  .trust-item{width:40%}
}

/* ========== SECTIONS ========== */
.section{padding:100px 0}
.section--green{background:var(--primary);color:var(--white)}
.section--pale{background:var(--primary-pale)}

.section-label{
  font-family:var(--font-en);font-size:.8rem;font-weight:600;
  letter-spacing:.15em;color:var(--accent);
  display:block;margin-bottom:12px;text-transform:uppercase;
}
.section-label--white{color:rgba(255,255,255,.6)}
.section-title{font-size:clamp(1.8rem,3.5vw,2.6rem);font-weight:900;line-height:1.4}
.section-title--white{color:var(--white)}
.section-header-center{text-align:center;margin-bottom:56px}
.section-sub{font-size:1rem;color:rgba(255,255,255,.7);margin-top:16px}
.section-sub--dark{color:var(--gray-500)}

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

/* ========== ABOUT ========== */
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-line{width:48px;height:3px;background:var(--accent);margin:24px 0}
.about-text{font-size:.95rem;color:var(--gray-600);line-height:2;margin-bottom:16px}
.about-text:last-of-type{margin-bottom:32px}
.about-right{position:relative}
.about-image svg{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-lg)}
.about-image-badge{
  position:absolute;bottom:-20px;left:-20px;
  background:var(--primary);color:var(--white);
  padding:20px 24px;border-radius:var(--radius);
  box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;
}
.about-image-badge-num{font-family:var(--font-en);font-size:2.2rem;font-weight:700}
.about-image-badge-text{font-family:var(--font-en);font-size:.7rem;line-height:1.4;opacity:.8}
@media(max-width:840px){.about-layout{grid-template-columns:1fr;gap:48px}}

/* ========== SYMPTOMS ========== */
.symptoms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.symptom-card{
  background:var(--white);border-radius:var(--radius);padding:32px 28px;
  box-shadow:var(--shadow-sm);text-align:center;
  transition:transform .4s var(--ease),box-shadow .4s;
}
.symptom-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.symptom-icon{width:64px;height:64px;margin:0 auto 16px}
.symptom-icon svg{width:100%;height:100%}
.symptom-card h3{font-size:1rem;font-weight:700;color:var(--primary);margin-bottom:8px}
.symptom-card p{font-size:.82rem;color:var(--gray-500);line-height:1.8}
@media(max-width:840px){.symptoms-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.symptoms-grid{grid-template-columns:1fr}}

/* ========== SERVICE ========== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:var(--white);border-radius:var(--radius);padding:36px 32px;
  box-shadow:var(--shadow-sm);position:relative;
  transition:transform .4s var(--ease),box-shadow .4s;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-icon{width:48px;height:48px;margin-bottom:16px}
.service-icon svg{width:100%;height:100%}
.service-tag{
  position:absolute;top:20px;right:20px;
  font-size:.68rem;font-weight:600;color:var(--primary);
  background:var(--primary-pale);padding:4px 10px;border-radius:100px;
}
.service-card h3{font-size:1.15rem;font-weight:700;color:var(--primary);margin-bottom:12px}
.service-card p{font-size:.88rem;color:var(--gray-600);line-height:1.8;margin-bottom:16px}
.service-price{margin-bottom:20px}
.service-price-amount{font-family:var(--font-en);font-size:1.4rem;font-weight:700;color:var(--primary)}
.service-price-note{font-size:.75rem;color:var(--gray-500)}
.service-features{display:flex;flex-direction:column;gap:6px}
.service-features li{
  font-size:.82rem;color:var(--gray-500);padding-left:16px;position:relative;
}
.service-features li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);position:absolute;left:0;top:8px}

.service-insurance{margin-top:40px}
.service-insurance-inner{
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);
  padding:20px 28px;border-radius:var(--radius);color:var(--white);
  max-width:680px;margin:0 auto;
}
.service-insurance-inner svg{flex-shrink:0;opacity:.8}
.service-insurance-inner strong{display:block;font-size:.95rem;margin-bottom:2px}
.service-insurance-inner span{font-size:.82rem;opacity:.7}

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

/* ========== FLOW ========== */
.flow-steps{max-width:680px;margin:0 auto}
.flow-step{display:flex;gap:24px;align-items:flex-start}
.flow-step-num{
  font-family:var(--font-en);font-size:.8rem;font-weight:700;
  color:var(--white);background:var(--primary);
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.flow-step-content h3{font-size:1.05rem;font-weight:700;color:var(--primary);margin-bottom:6px}
.flow-step-content p{font-size:.88rem;color:var(--gray-500);line-height:1.8}
.flow-connector{
  width:2px;height:32px;background:var(--gray-200);
  margin-left:21px;
}

/* ========== DIRECTOR ========== */
.director-layout{display:grid;grid-template-columns:320px 1fr;gap:60px;align-items:center}
.director-image svg{width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--shadow-md)}
.director-name{margin-bottom:20px}
.director-name-main{display:block;font-size:1.3rem;font-weight:700;color:var(--gray-800)}
.director-name-title{display:block;font-size:.82rem;color:var(--gray-500);margin-top:4px}
.director-quals{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.director-quals span{
  font-size:.75rem;font-weight:500;color:var(--primary);
  background:var(--primary-pale);padding:6px 14px;border-radius:100px;
}
@media(max-width:840px){
  .director-layout{grid-template-columns:1fr;gap:40px}
  .director-image{max-width:320px}
}

/* ========== INFO / COMPANY ========== */
.info-card{
  background:var(--white);border-radius:var(--radius);padding:48px;
  box-shadow:var(--shadow-md);max-width:800px;margin:0 auto;
}
.info-table{display:flex;flex-direction:column}
.info-row{display:flex;padding:14px 0;border-bottom:1px solid var(--gray-100)}
.info-row:last-child{border:none}
.info-row dt{width:120px;flex-shrink:0;font-size:.85rem;font-weight:600;color:var(--gray-500)}
.info-row dd{font-size:.9rem;color:var(--gray-800)}
.info-tel{color:var(--primary);font-family:var(--font-en);font-weight:600;font-size:1.05rem}
.info-tel:hover{opacity:.7}

/* Hours table */
.hours-table{margin-bottom:8px}
.hours-row{display:grid;grid-template-columns:100px repeat(7,1fr);gap:2px;text-align:center;font-size:.8rem}
.hours-row--header{font-weight:600;color:var(--primary);margin-bottom:4px}
.hours-row--header span{font-size:.75rem}
.hours-row span:first-child{text-align:left;font-size:.78rem;color:var(--gray-600)}
.hours-note{font-size:.75rem;color:var(--gray-400);display:block;margin-top:4px}

/* Map */
.map-container{margin-top:48px}
.map-placeholder svg{width:100%;height:auto;border-radius:var(--radius)}

@media(max-width:640px){
  .info-card{padding:28px 24px}
  .info-row{flex-direction:column;gap:4px}
  .info-row dt{width:auto}
  .hours-row{grid-template-columns:80px repeat(7,1fr);font-size:.72rem}
}

/* ========== CONTACT ========== */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.contact-desc{font-size:.95rem;color:rgba(255,255,255,.7);line-height:2;margin-top:16px}
.contact-right{display:flex;flex-direction:column;gap:16px}
.contact-box{
  display:flex;align-items:center;gap:20px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
  padding:24px 28px;border-radius:var(--radius);color:var(--white);
  transition:background .3s,transform .3s var(--ease);
}
.contact-box:hover{background:rgba(255,255,255,.12);transform:translateX(6px);opacity:1}
.contact-box-icon{flex-shrink:0;opacity:.8}
.contact-box-title{display:block;font-size:1.05rem;font-weight:700}
.contact-box-sub{display:block;font-size:.78rem;opacity:.6;margin-top:2px}
.contact-box-arrow{margin-left:auto;opacity:.4;flex-shrink:0}
@media(max-width:840px){.contact-layout{grid-template-columns:1fr;gap:40px}}

/* ========== FOOTER ========== */
.footer{background:var(--gray-900);color:var(--gray-400);padding:64px 0 32px}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:60px;margin-bottom:48px}
.footer .logo-mark{background:var(--white);color:var(--primary)}
.footer .logo-mark svg path{stroke:var(--primary)}
.footer .logo-text{color:var(--white)}
.footer .logo-text small{color:var(--gray-400)}
.footer-address{font-size:.82rem;color:var(--gray-500);margin-top:16px;line-height:1.8}
.footer-tel{font-size:.82rem;color:var(--gray-500);margin-top:8px}
.footer-tel a{color:var(--accent-light);transition:opacity .3s}
.footer-tel a:hover{opacity:.7}
.footer-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.footer-nav-grid h4{font-size:.78rem;font-weight:600;color:var(--gray-500);letter-spacing:.08em;margin-bottom:12px}
.footer-nav-grid a{display:block;font-size:.82rem;color:var(--gray-400);padding:3px 0;transition:color .3s}
.footer-nav-grid a:hover{color:var(--white);opacity:1}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;text-align:center}
.footer-bottom p{font-size:.72rem;color:var(--gray-600)}
@media(max-width:840px){.footer-top{grid-template-columns:1fr;gap:32px}}

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