@charset "UTF-8";

*,
*::before,
*::after{
box-sizing:border-box;
}

:root{
--pc-color-main:#050506;
--pc-color-accent:#2b3558;
--pc-color-text:#f7f6f2;
--pc-color-text-muted:rgba(247,246,242,.72);
--pc-color-border:rgba(255,255,255,.12);
--pc-color-panel:rgba(255,255,255,.04);
--pc-font-main:"Noto Serif JP", serif;
--pc-font-sans:"Noto Sans JP", sans-serif;
--pc-container:1200px;
--pc-transition:.4s ease;
}

html{
scroll-behavior:smooth;
}

body{
margin:0;
color:var(--pc-color-text);
background:var(--pc-color-main);
font-family:var(--pc-font-sans);
line-height:1.75;
overflow-x:hidden;
-webkit-font-smoothing:antialiased;
text-rendering:optimizeLegibility;
}

body.pc-is-loading{
overflow:hidden;
}

img{
max-width:100%;
height:auto;
vertical-align:bottom;
}

a{
color:inherit;
text-decoration:none;
}

button{
font:inherit;
}

.pc-page-bg{
position:fixed;
inset:0;
background:
radial-gradient(circle at 12% 18%, rgba(43,53,88,.24), transparent 24%),
radial-gradient(circle at 84% 22%, rgba(255,255,255,.06), transparent 18%),
linear-gradient(180deg, #0a0a0d 0%, #040405 100%);
z-index:-3;
}

.pc-page-bg::before{
content:"";
position:absolute;
inset:0;
background:
linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px),
linear-gradient(180deg, rgba(255,255,255,.018) 1px, transparent 1px);
background-size:40px 40px;
mask-image:linear-gradient(180deg, rgba(0,0,0,.26), rgba(0,0,0,0));
}

.pc-page-bg::after{
content:"";
position:absolute;
left:-120px;
top:22%;
width:300px;
height:300px;
border-radius:50%;
background:radial-gradient(circle, rgba(117,132,190,.12) 0%, rgba(117,132,190,0) 72%);
}

/* loading */
.pc-loading{
position:fixed;
inset:0;
z-index:9999;
display:flex;
align-items:center;
justify-content:center;
background:
radial-gradient(circle at 50% 40%, rgba(43,53,88,.16), transparent 34%),
linear-gradient(180deg, #0b0b10 0%, #000000 100%);
transition:opacity .9s ease, visibility .9s ease, transform 1s ease;
}

.pc-loading.is-hidden{
opacity:0;
visibility:hidden;
pointer-events:none;
transform:translateY(-2%);
}

.pc-loading__inner{
display:flex;
flex-direction:column;
align-items:center;
justify-content:center;
gap:18px;
text-align:center;
}

.pc-loading__logo{
width:88px;
opacity:0;
transform:scale(.86);
filter:drop-shadow(0 0 24px rgba(255,255,255,.08));
animation:pcLoadingLogoIn 1.2s cubic-bezier(.22,1,.36,1) forwards;
}

.pc-loading__text{
margin:0;
font-size:12px;
letter-spacing:.22em;
text-transform:uppercase;
color:rgba(247,247,243,.68);
opacity:0;
animation:pcLoadingTextIn 1s ease .35s forwards;
}

.pc-loading::after{
content:"";
position:absolute;
left:50%;
bottom:18%;
transform:translateX(-50%);
width:1px;
height:60px;
background:linear-gradient(180deg, rgba(255,255,255,.55) 0%, rgba(255,255,255,0) 100%);
opacity:.45;
animation:pcLoadingLine 1.8s ease-in-out infinite;
}

@keyframes pcLoadingLogoIn{
0%{opacity:0; transform:scale(.86); filter:blur(6px);}
60%{opacity:1; transform:scale(1); filter:blur(0);}
100%{opacity:1; transform:scale(1); filter:blur(0);}
}
@keyframes pcLoadingTextIn{
0%{opacity:0; transform:translateY(8px);}
100%{opacity:1; transform:translateY(0);}
}
@keyframes pcLoadingLine{
0%,100%{transform:translateX(-50%) scaleY(.35); transform-origin:top center; opacity:.2;}
50%{transform:translateX(-50%) scaleY(1); transform-origin:top center; opacity:.55;}
}

/* header */
.pc-site-header{
position:fixed;
top:0;
left:0;
width:100%;
z-index:100;
transition:background var(--pc-transition), border-color var(--pc-transition), backdrop-filter var(--pc-transition);
}

.pc-site-header.is-scrolled{
background:rgba(8,8,10,.72);
backdrop-filter:blur(16px);
border-bottom:1px solid rgba(255,255,255,.08);
}

.pc-site-header__inner,
.pc-site-footer__inner,
.pc-inner{
width:min(calc(100% - 48px), var(--pc-container));
margin-inline:auto;
}

.pc-site-header__inner{
min-height:84px;
display:flex;
align-items:center;
justify-content:space-between;
gap:20px;
}

.pc-site-logo{
display:flex;
align-items:center;
gap:12px;
flex-shrink:0;
}

.pc-site-logo__mark{
width:18px;
height:18px;
display:flex;
align-items:center;
justify-content:center;
}

.pc-site-logo__mark img{
width:18px;
height:18px;
object-fit:contain;
}

.pc-site-logo__text{
font-size:14px;
font-weight:600;
letter-spacing:.04em;
}

.pc-site-nav{
display:flex;
align-items:center;
gap:28px;
}

.pc-site-nav a{
font-size:14px;
color:var(--pc-color-text-muted);
position:relative;
transition:color var(--pc-transition);
}

.pc-site-nav a::after{
content:"";
position:absolute;
left:0;
bottom:-6px;
width:100%;
height:1px;
background:#fff;
transform:scaleX(0);
transform-origin:right center;
transition:transform var(--pc-transition);
}

.pc-site-nav a:hover,
.pc-site-nav a.is-current{
color:#fff;
}

.pc-site-nav a:hover::after,
.pc-site-nav a.is-current::after{
transform:scaleX(1);
transform-origin:left center;
}

.pc-site-actions{
display:flex;
align-items:center;
gap:14px;
}

.pc-lang-switch{
display:flex;
align-items:center;
padding:4px;
border:1px solid var(--pc-color-border);
border-radius:999px;
background:rgba(255,255,255,.03);
}

.pc-lang-switch__btn{
border:none;
background:transparent;
color:var(--pc-color-text-muted);
padding:8px 12px;
border-radius:999px;
cursor:pointer;
transition:background var(--pc-transition), color var(--pc-transition);
}

.pc-lang-switch__btn.is-active{
background:#fff;
color:#000;
}

.pc-header-cta,
.pc-btn{
display:inline-flex;
align-items:center;
justify-content:center;
gap:10px;
min-height:50px;
padding:0 24px;
border-radius:999px;
transition:
transform var(--pc-transition),
background var(--pc-transition),
border-color var(--pc-transition),
color var(--pc-transition),
box-shadow var(--pc-transition),
filter var(--pc-transition);
white-space:nowrap;
}

.pc-header-cta,
.pc-btn--primary{
color:#fff;
background:linear-gradient(135deg, #232d4d 0%, #14131d 100%);
box-shadow:0 12px 32px rgba(20,19,29,.35);
}

.pc-header-cta:hover,
.pc-btn--primary:hover{
transform:translateY(-2px);
box-shadow:0 18px 36px rgba(20,19,29,.42);
filter:brightness(1.04);
}

.pc-btn--ghost{
border:1px solid var(--pc-color-border);
background:rgba(255,255,255,.03);
}

.pc-btn--ghost:hover{
background:rgba(255,255,255,.08);
transform:translateY(-2px);
border-color:rgba(255,255,255,.2);
}

.pc-menu-toggle{
display:none;
width:48px;
height:48px;
border:1px solid var(--pc-color-border);
background:rgba(255,255,255,.04);
border-radius:999px;
cursor:pointer;
padding:0;
position:relative;
}

.pc-menu-toggle span{
position:absolute;
left:50%;
width:18px;
height:1.5px;
background:#fff;
transform:translateX(-50%);
transition:transform var(--pc-transition), opacity var(--pc-transition), top var(--pc-transition);
}

.pc-menu-toggle span:nth-child(1){top:16px;}
.pc-menu-toggle span:nth-child(2){top:23px;}
.pc-menu-toggle span:nth-child(3){top:30px;}

.pc-menu-toggle.is-active span:nth-child(1){
top:23px;
transform:translateX(-50%) rotate(45deg);
}
.pc-menu-toggle.is-active span:nth-child(2){
opacity:0;
}
.pc-menu-toggle.is-active span:nth-child(3){
top:23px;
transform:translateX(-50%) rotate(-45deg);
}

/* common */
.pc-section{
position:relative;
padding:120px 0;
}

.pc-section-heading{
display:grid;
gap:10px;
margin-bottom:44px;
}

.pc-section-heading h2{
margin:0;
width: 100%;
font-family:var(--pc-font-main);
font-size:clamp(2rem, 4vw, 3.8rem);
line-height:1.18;
letter-spacing:-.02em;
text-wrap:balance;
}

.pc-eyebrow,
.pc-section-heading__en,
.pc-step-card__label,
.pc-scene-pin__eyebrow,
.pc-material-panel__eyebrow{
font-size:12px;
letter-spacing:.18em;
text-transform:uppercase;
color:#c8ccda;
}

/* hero */
.pc-hero{
position:relative;
min-height:100svh;
display:flex;
align-items:flex-end;
overflow:hidden;
padding:140px 0 80px;
}

.pc-hero__media{
position:absolute;
inset:0;
z-index:-2;
}

.pc-hero__image{
width:100%;
height:100%;
object-fit:cover;
filter:brightness(.4) saturate(.9);
transform:scale(1.05);
}

.pc-hero::after{
content:"";
position:absolute;
inset:0;
z-index:-1;
background:
linear-gradient(180deg, rgba(0,0,0,.42) 0%, rgba(0,0,0,.7) 100%),
radial-gradient(circle at 72% 22%, rgba(43,53,88,.24), transparent 24%);
}

.pc-hero__inner{
width:min(calc(100% - 48px), var(--pc-container));
margin-inline:auto;
}

.pc-hero__content{
max-width:840px;
}

.pc-hero__headline{
display:grid;
gap:4px;
margin-top:16px;
}

.pc-hero__line{
margin:0;
font-family:var(--pc-font-main);
font-size: clamp(1rem, 5vw, 2rem);
line-height:1.06;
letter-spacing:-.03em;
text-wrap:balance;
}

.pc-hero__title{
margin:34px 0 0;
font-family:var(--pc-font-main);
font-size: clamp(1.2rem, 5.6vw, 2.5rem);
line-height:1.08;
letter-spacing:-.03em;
}

.pc-hero__lead{
max-width:660px;
margin:28px 0 0;
font-size:17px;
color:var(--pc-color-text-muted);
}

/* intro */
.pc-intro__grid{
display:grid;
grid-template-columns:1.02fr .98fr;
gap:34px;
align-items:start;
}

.pc-intro__body p{
margin:0 0 18px;
font-size:16px;
color:var(--pc-color-text-muted);
}

/* steps */
.pc-step-list{
display:grid;
gap:34px;
}

.pc-step-card{
display:grid;
grid-template-columns:120px minmax(0, 1fr);
gap:26px;
align-items:start;
}

.pc-step-card--right{
grid-template-columns:minmax(0, 1fr) 120px;
}

.pc-step-card--right .pc-step-card__num{
order:2;
justify-self:end;
}

.pc-step-card--right .pc-step-card__content{
order:1;
}

.pc-step-card__num{
width:120px;
height:120px;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-family:var(--pc-font-main);
font-size:32px;
border:1px solid rgba(255,255,255,.14);
background:
linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
radial-gradient(circle at 50% 40%, rgba(43,53,88,.36), transparent 60%);
box-shadow:0 14px 28px rgba(0,0,0,.14);
}

.pc-step-card__content{
padding:28px 30px;
border-radius:28px;
border:1px solid var(--pc-color-border);
background:var(--pc-color-panel);
backdrop-filter:blur(16px);
}

.pc-step-card__content h3{
margin:10px 0 12px;
font-family:var(--pc-font-main);
font-size:clamp(1.8rem, 2.4vw, 2.8rem);
line-height:1.18;
}

.pc-step-card__content p:last-child{
margin:0;
color:var(--pc-color-text-muted);
}

/* scene pin */
.pc-scene-pin{
min-height:100svh;
position:relative;
overflow:hidden;
}

.pc-scene-pin__bg{
position:absolute;
inset:0;
z-index:-2;
}

.pc-scene-pin__bg img{
width:100%;
height:100%;
object-fit:cover;
filter:brightness(.32) saturate(.84);
transform:scale(1.04);
}

.pc-scene-pin::after{
content:"";
position:absolute;
inset:0;
z-index:-1;
background:
linear-gradient(180deg, rgba(0,0,0,.6) 0%, rgba(0,0,0,.72) 100%),
radial-gradient(circle at 18% 20%, rgba(43,53,88,.28), transparent 24%);
}

.pc-scene-pin__inner{
width:min(calc(100% - 48px), var(--pc-container));
min-height:100svh;
margin-inline:auto;
display:flex;
align-items:center;
padding:140px 0 96px;
}

.pc-scene-pin__content{
width:100%;
}

.pc-scene-pin__title{
margin:18px 0 0;
font-family:var(--pc-font-main);
font-size:clamp(2.2rem, 5vw, 4.6rem);
line-height:1.08;
letter-spacing:-.03em;
}

.pc-scene-pin__cards{
display:grid;
grid-template-columns:repeat(3, minmax(0, 1fr));
gap:18px;
margin-top:34px;
}

.pc-scene-card{
min-height:220px;
padding:26px;
border-radius:26px;
border:1px solid rgba(255,255,255,.12);
background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
backdrop-filter:blur(14px);
}

.pc-scene-card h3{
margin:0 0 10px;
font-family:var(--pc-font-main);
font-size:24px;
line-height:1.24;
}

.pc-scene-card p{
margin:0;
color:rgba(247,246,242,.76);
}

/* materials */
.pc-materials__grid{
display:grid;
grid-template-columns:repeat(3, minmax(0, 1fr));
gap:22px;
}

.pc-material-card,
.pc-material-panel{
border:1px solid var(--pc-color-border);
background:var(--pc-color-panel);
backdrop-filter:blur(16px);
border-radius:28px;
overflow:hidden;
}

.pc-material-card__image{
width:100%;
height:260px;
object-fit:cover;
}

.pc-material-card__body{
padding:24px;
}

.pc-material-card__body h3{
margin:0 0 10px;
font-family:var(--pc-font-main);
font-size:24px;
line-height:1.25;
}

.pc-material-card__body p{
margin:0;
color:var(--pc-color-text-muted);
}

.pc-material-panel{
padding:28px;
display:flex;
flex-direction:column;
justify-content:center;
background:
linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025)),
radial-gradient(circle at 90% 12%, rgba(43,53,88,.36), transparent 28%);
}

.pc-material-panel__list{
list-style:none;
margin:18px 0 0;
display:grid;
gap:12px;
}

.pc-material-panel__list li{
position:relative;
padding-left:18px;
color:#f0f1f6;
}

.pc-material-panel__list li::before{
content:"";
position:absolute;
top:.85em;
left:0;
width:6px;
height:6px;
border-radius:50%;
background:#9ea8d1;
transform:translateY(-50%);
}

/* explore */
.pc-explore__grid{
display:grid;
grid-template-columns:repeat(4, minmax(0, 1fr));
gap:18px;
}

.pc-explore-card{
display:flex;
flex-direction:column;
justify-content:space-between;
min-height:220px;
padding:24px;
border-radius:26px;
border:1px solid var(--pc-color-border);
background:var(--pc-color-panel);
backdrop-filter:blur(16px);
position:relative;
overflow:hidden;
transition:transform var(--pc-transition), border-color var(--pc-transition), background var(--pc-transition), box-shadow var(--pc-transition);
}

.pc-explore-card::after{
content:"";
position:absolute;
right:-26px;
bottom:-26px;
width:120px;
height:120px;
border-radius:50%;
background:radial-gradient(circle, rgba(255,255,255,.08), rgba(255,255,255,0) 72%);
}

.pc-explore-card:hover{
transform:translateY(-4px);
border-color:rgba(255,255,255,.2);
background:rgba(255,255,255,.07);
box-shadow:0 18px 36px rgba(0,0,0,.18);
}

.pc-explore-card__title{
font-family:var(--pc-font-main);
font-size:28px;
line-height:1.2;
}

.pc-explore-card p{
margin:0;
color:var(--pc-color-text-muted);
}

/* contact */
.pc-contact-card{
border-radius:34px;
padding:34px;
display:grid;
grid-template-columns:1.1fr .9fr;
gap:24px;
align-items:center;
border:1px solid var(--pc-color-border);
background:var(--pc-color-panel);
backdrop-filter:blur(16px);
}

.pc-contact-card__text h2{
margin:10px 0 12px;
font-family:var(--pc-font-main);
font-size:clamp(2rem, 3vw, 3.2rem);
line-height:1.15;
}

.pc-contact-card__text p{
margin:0;
color:var(--pc-color-text-muted);
}

.pc-contact-card__actions{
display:flex;
justify-content:flex-end;
flex-wrap:wrap;
gap:16px;
}

/* footer */
.pc-site-footer{
padding:0 0 28px;
}

.pc-site-footer__inner{
display:flex;
justify-content:space-between;
gap:16px;
padding-top:20px;
border-top:1px solid rgba(255,255,255,.08);
font-size:13px;
color:var(--pc-color-text-muted);
}

/* reveal */
.pc-reveal{
opacity:0;
transform:translateY(34px);
}

/* responsive */
@media (max-width:1080px){
.pc-intro__grid,
.pc-contact-card{
grid-template-columns:1fr;
}

.pc-scene-pin__cards,
.pc-materials__grid{
grid-template-columns:1fr;
}

.pc-explore__grid{
grid-template-columns:repeat(2, 1fr);
}
}

@media (max-width:860px){
.pc-site-nav{
position:fixed;
top:84px;
left:24px;
right:24px;
display:grid;
gap:8px;
padding:18px;
border:1px solid rgba(255,255,255,.1);
border-radius:24px;
background:rgba(8,8,10,.94);
backdrop-filter:blur(16px);
transform:translateY(-18px);
opacity:0;
pointer-events:none;
transition:opacity var(--pc-transition), transform var(--pc-transition);
z-index:120;
}

.pc-site-nav.is-open{
opacity:1;
transform:translateY(0);
pointer-events:auto;
}

.pc-site-nav a{
padding:10px 8px;
}

.pc-header-cta{
display:none;
}

.pc-menu-toggle{
display:block;
}

.pc-step-card,
.pc-step-card--right{
grid-template-columns:1fr;
}

.pc-step-card--right .pc-step-card__num,
.pc-step-card--right .pc-step-card__content{
order:initial;
}

.pc-step-card__num{
justify-self:start;
}
}

@media (max-width:640px){
.pc-site-header__inner,
.pc-site-footer__inner,
.pc-inner,
.pc-hero__inner,
.pc-scene-pin__inner{
width:min(calc(100% - 32px), var(--pc-container));
}

.pc-site-logo__text{
font-size:12px;
}

.pc-section{
padding:88px 0;
}

.pc-hero{
padding:126px 0 72px;
min-height:auto;
}

.pc-hero__line{
font-size:18px;
}

.pc-hero__title{
font-size:25px;
}

.pc-hero__lead{
font-size:14px;
}

.pc-scene-pin__inner{
min-height:auto;
padding:120px 0 88px;
}

.pc-scene-pin__title{
font-size:25px;
}

.pc-material-card__image{
height:220px;
}

.pc-explore__grid{
grid-template-columns:1fr;
}

.pc-contact-card{
padding:24px;
}

.pc-contact-card__actions{
justify-content:flex-start;
}

.pc-btn{
width:100%;
}

.pc-site-footer__inner{
flex-direction:column;
}

.pc-loading__logo{
width:68px;
}

.pc-loading__text{
font-size:10px;
letter-spacing:.18em;
}

.pc-loading::after{
height:44px;
bottom:16%;
}

.pc-section-heading h2 {
text-wrap: inherit;
font-size: 25px;
}

}