:root{--ocean:#023047;--night:#01161E;--sand:#FFB703;--sunset:#FB8500;--sky:#8ECAE6;--mute:#7A9AAB;--font-d:"Literata",serif;--font:"Plus Jakarta Sans","Noto Sans JP",sans-serif;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none}html::-webkit-scrollbar{display:none;width:0;height:0}body{scrollbar-width:none;-ms-overflow-style:none}body::-webkit-scrollbar,*::-webkit-scrollbar{display:none;width:0;height:0}
html,body{margin:0;padding:0}
body.yk{margin:0;padding:0;font-family:var(--font);color:#E8F4FA;background:var(--night);line-height:1.7;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}a{color:inherit;text-decoration:none}ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{font-family:var(--font-d);margin:0 0 .45em;line-height:1.15;font-weight:600}p{margin:0 0 1em}address{font-style:normal}
.yk-skip{position:absolute;top:0;left:-9999px;background:var(--sunset);color:#111;padding:.7rem;z-index:200}.yk-skip:focus{left:0}
.yk-nav{position:fixed;inset:0 0 auto;z-index:70;display:flex;align-items:center;gap:1.5rem;padding:1rem max(1rem,env(safe-area-inset-right)) 1rem max(1.5rem,env(safe-area-inset-left));background:linear-gradient(rgba(1,22,30,.85),transparent)}
.yk-nav__logo{font-family:var(--font-d);font-size:1.4rem;font-weight:700;color:var(--sand)}
.yk-nav nav{margin-left:auto;display:flex;gap:1.2rem;font-size:.88rem;font-weight:600}.yk-nav nav a{opacity:.8}.yk-nav nav a.is-on,.yk-nav nav a:hover{opacity:1;color:var(--sand)}
.yk-btn{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.35rem;border-radius:999px;font-weight:700;border:0;cursor:pointer;background:var(--sunset);color:#111;transition:transform .25s var(--ease),box-shadow .25s var(--ease);-webkit-tap-highlight-color:transparent}.yk-btn:hover{transform:translateY(-2px)}.yk-btn:active{transform:scale(.97)}.yk-btn--sand{background:var(--sand)}.yk-btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.6);color:#fff}
.yk-burger{display:none;margin-left:auto;width:44px;height:44px;padding:0;background:none;border:0;color:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px}
.yk-burger i{display:block;width:22px;height:2px;background:currentColor;transition:transform .3s var(--ease),opacity .3s}
.yk-burger[aria-expanded="true"] i:nth-child(1){transform:translateY(8px) rotate(45deg)}
.yk-burger[aria-expanded="true"] i:nth-child(2){opacity:0}
.yk-burger[aria-expanded="true"] i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
body.is-nav-open{overflow:hidden;touch-action:none}
.yk-progress{position:fixed;right:1rem;top:50%;transform:translateY(-50%);z-index:60;display:grid;gap:.55rem}
.yk-progress span{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.25);transition:background .3s,transform .3s}.yk-progress span.is-on{background:var(--sand);transform:scale(1.35)}
#yk-main{margin:0;padding:0}
.yk-chapter{margin:0;padding:0;min-height:100vh;min-height:100dvh;scroll-snap-align:start;position:relative;display:grid;align-items:end;overflow:hidden}
.yk-chapter__media,.yk-chapter__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;transform-origin:center top;animation:ykKen 22s ease-in-out infinite alternate}
@keyframes ykKen{from{transform:scale(1)}to{transform:scale(1.08)}}
.yk-chapter__veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(1,22,30,.2),rgba(1,22,30,.82))}
.yk-chapter__copy{position:relative;z-index:2;padding:0 clamp(1.25rem,5vw,4rem) 4.5rem;max-width:720px}
.yk-chapter__brand{font-family:var(--font-d);font-size:clamp(3rem,10vw,6rem);color:#fff;line-height:.95}
.yk-chapter__brand small{display:block;font-size:.28em;letter-spacing:.3em;color:var(--sand);margin-top:.4rem}
.yk-chapter h1,.yk-chapter h2{color:#fff;font-size:clamp(1.4rem,3vw,2.2rem)}.yk-chapter p{color:rgba(232,244,250,.88);max-width:36ch}
.yk-chapter__actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.3rem}
.yk-sec{padding:5rem clamp(1.25rem,4vw,3rem)}.yk-k{color:var(--sand);letter-spacing:.18em;text-transform:uppercase;font-size:.72rem;font-weight:700;display:inline-block;margin-bottom:.55rem}
.yk-head{max-width:560px;margin-bottom:2.2rem}.yk-muted{color:var(--mute)}
.yk-dest{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.yk-dest article{position:relative;overflow:hidden;min-height:280px;border-radius:1rem}
.yk-team article,.yk-pack article{overflow:hidden}
.yk-dest img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.yk-dest .body{position:relative;z-index:2;padding:1.25rem;margin-top:auto;background:linear-gradient(transparent,rgba(1,22,30,.85));height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.yk-team{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem}.yk-team article{background:rgba(1,22,30,.55);border-radius:1rem;overflow:hidden;border:1px solid rgba(142,202,230,.15)}.yk-team img{width:100%;aspect-ratio:4/5;object-fit:cover;display:block;position:static}.yk-team__body{padding:1.25rem 1.35rem 1.5rem}.yk-team__body h3{margin:.2rem 0 .5rem;color:#fff}.yk-team__body p{margin:0;color:rgba(232,244,250,.88)}

.yk-pack{display:grid;gap:1.25rem}.yk-pack article{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:var(--ocean);border-radius:1rem;overflow:hidden;min-height:260px}
.yk-pack img{width:100%;height:100%;object-fit:cover;min-height:240px}.yk-pack .body{padding:1.75rem;display:grid;align-content:center}.yk-pack .price{color:var(--sand);font-weight:800;font-size:1.2rem}
.yk-path{stroke:var(--sand);stroke-width:2;fill:none;stroke-dasharray:800;stroke-dashoffset:800}.yk-path.drawn{animation:ykDraw 2.2s var(--ease) forwards}
@keyframes ykDraw{to{stroke-dashoffset:0}}
.yk-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}.yk-steps li{background:rgba(142,202,230,.08);padding:1.4rem;border-top:3px solid var(--sunset)}.yk-steps b{display:block;color:var(--sand);font-size:1.5rem;font-family:var(--font-d)}
.yk-stack{display:grid;gap:.85rem}.yk-stack article{background:rgba(2,48,71,.65);padding:1.25rem;border-radius:.75rem;border:1px solid rgba(142,202,230,.15)}
.yk-faq details{border:1px solid rgba(142,202,230,.2);padding:1rem;margin-bottom:.55rem;border-radius:.75rem}.yk-faq summary{cursor:pointer;font-weight:700}
.yk-cta{padding:5rem 1.5rem;text-align:center;background:linear-gradient(120deg,var(--ocean),#01161E 50%,#5C2C0A)}
.yk-form{display:grid;gap:.9rem}.yk-form input,.yk-form textarea{width:100%;padding:.85rem 1rem;border-radius:.6rem;border:1px solid rgba(142,202,230,.25);background:#011018;color:#fff;font:inherit}
.yk-map iframe{width:100%;height:300px;border:0;border-radius:1rem}
.yk-foot{padding:3.5rem clamp(1.25rem,4vw,3rem) 1.5rem;border-top:1px solid rgba(142,202,230,.15);font-size:.9rem;color:var(--mute);background:#011018}
.yk-foot__grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1fr;gap:2rem;max-width:1200px;margin:0 auto 1.5rem}
.yk-foot__brand{display:block;font-family:var(--font-d);font-size:1.5rem;color:var(--sand);margin-bottom:.5rem}
.yk-foot h3{font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sand);margin:0 0 .8rem}
.yk-foot ul{display:grid;gap:.4rem;list-style:none;padding:0;margin:0}
.yk-foot a{color:inherit}.yk-foot a:hover{color:var(--sand)}
.yk-foot address{font-style:normal;display:grid;gap:.45rem;color:#E8F4FA}
.yk-foot__social{display:grid;gap:.4rem}
.yk-foot__copy{max-width:1200px;margin:0 auto;padding-top:1.2rem;border-top:1px solid rgba(142,202,230,.15);font-size:.82rem}
@media(max-width:900px){.yk-foot__grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.yk-foot__grid{grid-template-columns:1fr}}

.yk-drawer{display:none}.yk-drawer.is-open{display:grid;position:fixed;inset:0;background:rgba(1,22,30,.95);z-index:90;place-content:center;gap:1rem;text-align:center;font-size:clamp(1.15rem,5vw,1.3rem);padding:5rem 1.5rem 2rem;overflow-y:auto;-webkit-overflow-scrolling:touch}
.yk-drawer a{padding:.4rem;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.js [data-yk]{opacity:0;transform:translateY(32px);transition:opacity .85s var(--ease),transform .85s var(--ease);transition-delay:calc(var(--d,0)*70ms)}.js [data-yk].in{opacity:1;transform:none}
.js [data-yk] img{transform:scale(1.08);transition:transform 1.15s var(--ease)}
.js [data-yk].in img{transform:scale(1)}
.yk-drawer.is-open a{animation:ykPop .45s var(--ease) both}
.yk-drawer.is-open a:nth-child(1){animation-delay:.05s}.yk-drawer.is-open a:nth-child(2){animation-delay:.1s}.yk-drawer.is-open a:nth-child(3){animation-delay:.15s}.yk-drawer.is-open a:nth-child(4){animation-delay:.2s}.yk-drawer.is-open a:nth-child(5){animation-delay:.25s}.yk-drawer.is-open a:nth-child(6){animation-delay:.3s}
@keyframes ykPop{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.yk-snap{scroll-snap-type:y proximity}
@media(max-width:980px){
.yk-snap{scroll-snap-type:none}
.yk-nav{background:rgba(1,22,30,.92);backdrop-filter:blur(10px);padding-top:max(1rem,env(safe-area-inset-top))}
.yk-nav nav,.yk-nav .yk-btn{display:none}.yk-burger{display:flex}
.yk-progress{display:none}.yk-dest,.yk-steps,.yk-team{grid-template-columns:1fr 1fr}.yk-pack article{grid-template-columns:1fr}
.yk-sec{padding:3.5rem max(1rem,env(safe-area-inset-right)) 3.5rem max(1rem,env(safe-area-inset-left))}
.js [data-yk]{transform:translateY(24px);transition-duration:.7s}
.yk-btn{min-height:48px}
.yk-chapter__actions .yk-btn{width:100%;box-shadow:0 12px 30px rgba(251,133,0,.35)}
.yk-dest article,.yk-team article,.yk-pack article{transition:transform .3s var(--ease)}
.yk-dest article:active,.yk-team article:active,.yk-pack article:active{transform:scale(.985)}
[style*="repeat(3"],[style*="repeat(4"]{grid-template-columns:1fr 1fr!important}
}
@media(max-width:640px){
.yk-dest,.yk-steps,.yk-team{grid-template-columns:1fr}
.yk-chapter__actions{flex-direction:column;align-items:stretch}.yk-chapter__actions .yk-btn{justify-content:center}
.yk-chapter__copy{padding-bottom:max(3rem,env(safe-area-inset-bottom))}
.yk-chapter__media img{animation-duration:16s}
[style*="grid-template-columns"]{grid-template-columns:1fr!important}
}
@media(prefers-reduced-motion:reduce){
.yk-chapter__media img,.yk-path.drawn,.yk-drawer.is-open a{animation:none!important}
.js [data-yk],.js [data-yk] img{transition:none!important;opacity:1!important;transform:none!important}
}