@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@200;300;400;600&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ═══════ RESET & VARS ═══════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sakura:#1D82BD;
  --sakura-d:#125E8A;
  --sakura-l:#6FC3EB;
  --sakura-pale:#EAF6FC;
  --ink:#2B2F33;
  --ink-m:#565B60;
  --ink-l:#8A9096;
  --cream:#F7FAFB;
  --white:#FFFFFF;
  --b1:rgba(43,47,51,0.07);
  --b2:rgba(43,47,51,0.13);
  --serif:'Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
  --r:4px;
  --nav-h:98px;
  --nav-h-main:64px;
}
html{scroll-behavior:smooth;background:var(--white)}
body{font-family:var(--sans);background:transparent;color:var(--ink);overflow-x:hidden;font-size:18px;line-height:1.7}
img{display:block;width:100%;height:100%;object-fit:cover}
a{text-decoration:none;color:inherit}

/* ═══════ UTILITY ═══════ */
.container{max-width:1200px;margin:0 auto;}
.tag{font-size:13px;letter-spacing:.3em;color:var(--sakura);text-transform:uppercase;font-weight:500;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tag::before{content:'';display:block;width:24px;height:1px;background:var(--sakura)}
.tag-light{color:var(--sakura-l)}
.tag-light::before{background:var(--sakura-l)}
.h-serif{font-family:var(--serif);font-size:clamp(34px,5vw,46px);font-weight:200;line-height:1.15;letter-spacing:-.01em;color:var(--ink)}
.h-serif-white{color:#fff}
.body-text{font-size:17px;line-height:2.2;color:var(--ink-m)}
.body-text-fade{color:rgba(255,255,255,.45)}
.sec{padding:96px 0}
.sec-dark{background:var(--ink)}
.sec-cream{background:var(--cream)}
.sec-pale{background:var(--sakura-pale)}
.sec-header{margin-bottom:56px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 32px;font-size:15px;font-family:var(--sans);letter-spacing:.15em;border-radius:var(--r);cursor:pointer;transition:all .2s;text-decoration:none;border:none;white-space:nowrap}
.btn-fill{background:var(--sakura);color:#fff}.btn-fill:hover{background:var(--sakura-d);gap:16px}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--b2)}.btn-outline:hover{border-color:var(--sakura);color:var(--sakura)}
.btn-outline-pink{position:relative;overflow:hidden;background:transparent;color:#fff;border:2px solid rgba(255,255,255,.8);text-shadow:0 1px 6px rgba(26,18,16,.5);z-index:0}
.btn-outline-pink::before{content:'';position:absolute;top:0;bottom:0;left:-15%;width:130%;background:#fff;transform:translateX(-100%) skewX(-18deg);transition:transform .45s cubic-bezier(.65,0,.35,1);z-index:-1}
.btn-outline-pink:hover{border-color:var(--sakura);color:var(--sakura-d);gap:16px;text-shadow:none}
.btn-outline-pink:hover::before{transform:translateX(0) skewX(-18deg)}
.btn-lg{padding:16px 40px;font-size:16px}

/* FADE IN */
.fi{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s ease}
.fi.in{opacity:1;transform:translateY(0)}
.fi-d1{transition-delay:.1s}.fi-d2{transition-delay:.2s}.fi-d3{transition-delay:.3s}.fi-d4{transition-delay:.4s}

/* IMG PLACEHOLDER */
.img-ph{background:var(--cream);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;position:relative;overflow:hidden}
.img-ph::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 20px,rgba(26,18,16,.025) 20px,rgba(26,18,16,.025) 21px)}
.img-ph-icon{width:40px;height:40px;opacity:.2;flex-shrink:0}
.img-ph-icon svg{width:100%;height:100%;stroke:var(--ink);fill:none;stroke-width:1.2;stroke-linecap:round}
.img-ph-label{font-size:13px;letter-spacing:.12em;color:var(--ink-l);text-align:center;line-height:1.8;position:relative;z-index:1;padding:0 16px}

/* ═══════ NAV ═══════ */
#nav{position:fixed;top:0;left:0;right:0;z-index:300;background:rgba(29,130,189,.97);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.12);transition:box-shadow .3s}
#nav.scrolled{box-shadow:0 2px 24px rgba(0,0,0,.18)}
.nav-utility{height:34px;border-bottom:1px solid rgba(255,255,255,.15)}
.nav-utility-inner{height:100%;display:flex;align-items:center;justify-content:flex-end;gap:20px}
.nav-tel{display:flex;align-items:center;gap:6px;font-family:var(--sans);font-size:17px;line-height:1;font-weight:700;color:#fff;letter-spacing:.02em;transition:color .2s}
.nav-tel svg{width:13px;height:13px;margin-top:3px;fill:currentColor;stroke:none}
.nav-tel:hover{color:var(--sakura-pale)}
.nav-hours{font-size:13px;color:rgba(255,255,255,.75);letter-spacing:.03em}
.nav-tel-icon{display:none;align-items:center;justify-content:center;width:36px;height:36px;color:#fff}
.nav-tel-icon svg{width:18px;height:18px;fill:currentColor;stroke:none}
.nav-inner{height:var(--nav-h-main);display:flex;align-items:center;justify-content:space-between}
.nav-right{display:flex;align-items:center;gap:28px}
.nav-logo{display:flex;align-items:baseline;gap:8px;max-width:50%;width:200px;}
.nav-logo-jp{font-family:var(--serif);font-size:20px;font-weight:600;color:#fff;letter-spacing:.05em}
.nav-logo-jp span{color:var(--sakura-pale)}
.nav-logo-en{font-size:11px;color:rgba(255,255,255,.7);letter-spacing:.2em}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{font-size:14px;font-weight:700;color:rgba(255,255,255,.85);letter-spacing:.08em;padding-bottom:2px;border-bottom:1px solid transparent;transition:all .2s}
.nav-links a:hover,.nav-links a.active{color:#fff;border-bottom-color:#fff}
.nav-cta{background:#fff!important;color:var(--sakura-d)!important;padding:9px 20px!important;border-radius:var(--r);letter-spacing:.1em!important;border-bottom:none!important;transition:background .2s,color .2s!important}
.nav-cta:hover{background:var(--sakura-l)!important;color:#fff!important}
.nav-ham{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-ham span{display:block;width:22px;height:1.5px;background:#fff;transition:.3s}
.nav-ham.open span:nth-child(1){transform:rotate(45deg) translate(4px,4.5px)}
.nav-ham.open span:nth-child(2){opacity:0}
.nav-ham.open span:nth-child(3){transform:rotate(-45deg) translate(4px,-4.5px)}
.nav-mobile{display:none;position:fixed;top:var(--nav-h);left:0;right:0;background:var(--sakura-d);border-bottom:1px solid rgba(255,255,255,.12);box-shadow:0 8px 24px rgba(0,0,0,.18);padding:16px 5vw 24px;flex-direction:column;z-index:299}
.nav-mobile.open{display:flex}
.nav-mobile a{font-size:17px;font-weight:700;color:rgba(255,255,255,.85);padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12);letter-spacing:.08em}
.nav-mobile a:last-child{border-bottom:none;color:var(--sakura-pale)}

/* NEWS TICKER */
.ticker-bar{background:var(--sakura);height:40px;display:flex;align-items:center;overflow:hidden}
.ticker-label{font-size:11px;letter-spacing:.25em;color:rgba(255,255,255,.7);text-transform:uppercase;white-space:nowrap;padding:0 24px;border-right:1px solid rgba(255,255,255,.2);flex-shrink:0}
.ticker-track{display:flex;gap:60px;animation:tick 30s linear infinite;white-space:nowrap;padding-left:40px}
.ticker-item{font-size:14px;color:rgba(255,255,255,.85);letter-spacing:.05em}
@keyframes tick{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* PAGE HERO (inner pages) */
.page-hero{padding:calc(var(--nav-h) + 56px) 0 64px;background:var(--sakura-pale);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(135deg,transparent,transparent 40px,rgba(43,47,51,.012) 40px,rgba(43,47,51,.012) 41px)}
.page-hero-inner{position:relative;z-index:1}
.page-hero-en{font-family:var(--serif);font-size:clamp(56px,8vw,110px);font-weight:200;color:rgba(255,255,255,.55);text-shadow:0 2px 20px rgba(43,47,51,.25),0 4px 40px rgba(43,47,51,.15);line-height:1;letter-spacing:-.02em;position:absolute;right:0;top:-20px;pointer-events:none;user-select:none}
.page-hero-tag{font-size:12px;letter-spacing:.3em;color:var(--sakura);text-transform:uppercase;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.page-hero-tag::before{content:'';width:20px;height:1px;background:var(--sakura)}
.page-hero-h{font-family:var(--serif);font-size:clamp(36px,5vw,60px);font-weight:200;color:var(--ink);line-height:1.2;margin-bottom:16px}
.page-hero-copy{font-size:17px;line-height:2;color:var(--ink);max-width:540px}
.breadcrumb{display:flex;align-items:center;gap:8px;margin-top:28px}
.breadcrumb a,.breadcrumb span{font-size:13px;letter-spacing:.08em;color:var(--ink-m)}
.breadcrumb a:hover{color:var(--sakura)}
.breadcrumb-sep{color:var(--ink-m);opacity:.6}

/* FOOTER */
footer{background:var(--sakura);padding:48px 5vw 28px}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:20px;flex-wrap:wrap;gap:32px}
.footer-logo{font-family:var(--serif);font-size:20px;font-weight:300;color:#fff;letter-spacing:.05em;margin-bottom:8px;width:200px;}
.footer-logo span{color:var(--sakura-pale)}
.footer-addr{font-size:14px;color:rgba(255,255,255,.85);line-height:1.9;letter-spacing:.05em}
.footer-nav-col{display:flex;gap:48px;flex-wrap:wrap}
.footer-nav-group{}
.footer-nav-title{font-size:11px;letter-spacing:.25em;color:rgba(255,255,255,.65);text-transform:uppercase;margin-bottom:12px}
.footer-nav-links{display:flex;flex-direction:column;gap:8px}
.footer-nav-links a{font-size:14px;color:rgba(255,255,255,.85);letter-spacing:.06em;transition:.2s}
.footer-nav-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:13px;color:rgba(255,255,255,.65);letter-spacing:.05em}
.footer-legal{display:flex;gap:20px}
.footer-legal a{font-size:13px;color:rgba(255,255,255,.65);letter-spacing:.05em;transition:.2s}
.footer-legal a:hover{color:#fff}
.footer-ssl{font-size:12px;color:rgba(255,255,255,.55);display:flex;align-items:center;gap:5px}
.footer-ssl svg{width:12px;height:12px;stroke:rgba(255,255,255,.55);fill:none;stroke-width:2}

/* BACK TO TOP */
.backtop{position:fixed;right:28px;bottom:28px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:none;border:none;padding:0;color:var(--sakura);cursor:pointer;z-index:250;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s,transform .3s,visibility .3s,color .25s}
.backtop.show{opacity:1;visibility:visible;transform:translateY(0)}
.backtop:hover{color:var(--sakura-d)}
.backtop.backtop-on-dark{color:#fff}
.backtop.backtop-on-dark:hover{color:var(--sakura-pale)}
.backtop-icon{width:48px}
.backtop-icon svg{display:block;width:100%;height:auto}
.backtop:hover .backtop-icon{animation:backtop-bounce .4s ease-in-out infinite}
@keyframes backtop-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-2px)}}
.backtop-wheel{transform-box:fill-box;transform-origin:center}
.backtop:hover .backtop-wheel{animation:backtop-spin .5s linear infinite}
@keyframes backtop-spin{to{transform:rotate(360deg)}}
.backtop-label{font-size:12px;letter-spacing:.2em;font-weight:500}

/* RESPONSIVE */
@media(max-width:960px){
  :root{--nav-h:64px}
  .nav-utility{display:none}
  .nav-links{display:none}
  .nav-tel-icon{display:flex}
  .nav-ham{display:flex}
}
@media(max-width:640px){
  .sec{padding:64px 0}
  .h-serif{font-size:clamp(28px,8vw,44px)}
  .btn-lg{padding:14px 28px}
  .backtop{right:16px;bottom:16px}
  .backtop-icon{width:36px}
}

/* ═══════ SAKURA PETALS ═══════ */
.sakura-petal{
  position:fixed;
  pointer-events:none;
  z-index:-1;
  border-radius:70% 30% 70% 30% / 40% 40% 60% 60%;
  background:linear-gradient(135deg,rgba(255,215,225,.88),rgba(244,167,181,.6));
  will-change:transform,opacity;
  animation:petalFloat var(--fall-dur) var(--fall-delay) ease-in-out infinite;
}
@keyframes petalFloat{
  0%  {transform:translate(0,0) rotate(0deg);opacity:0}
  8%  {transform:translate(-8px,-6vh) rotate(-12deg);opacity:.78}
  22% {transform:translate(12px,-12vh) rotate(10deg);opacity:.85}
  38% {transform:translate(-16px,-3vh) rotate(48deg);opacity:.8}
  55% {transform:translate(20px,18vh) rotate(165deg);opacity:.7}
  72% {transform:translate(-14px,38vh) rotate(295deg);opacity:.5}
  88% {transform:translate(10px,54vh) rotate(385deg);opacity:.2}
  100%{transform:translate(-4px,68vh) rotate(430deg);opacity:0}
}

/* PC-only type scale-up (round 3, 2026-08-31) — mobile keeps its own sizes */
@media(min-width:961px){
  body{font-size:22px}
  .body-text{font-size:21px}
  .btn{font-size:19px}
  .btn-lg{font-size:20px}
  .tag{font-size:15px}
  .img-ph-label{font-size:15px}
  .nav-tel{font-size:19px}
  .nav-hours{font-size:15px}
  .nav-links a{font-size:16px}
  .ticker-label{font-size:13px}
  .ticker-item{font-size:16px}
  .page-hero-tag{font-size:14px}
  .page-hero-copy{font-size:21px}
  .breadcrumb a,.breadcrumb span{font-size:15px}
  .footer-addr{font-size:16px}
  .footer-nav-title{font-size:13px}
  .footer-nav-links a{font-size:16px}
  .footer-copy{font-size:15px}
  .footer-legal a{font-size:15px}
  .footer-ssl{font-size:14px}
  .backtop-label{font-size:14px}
}