@charset "UTF-8";

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

:root{
--ct-color-main:#050506;
--ct-color-accent:#2b3558;
--ct-color-text:#f7f6f2;
--ct-color-text-muted:rgba(247,246,242,.72);
--ct-color-text-faint:rgba(247,246,242,.46);
--ct-color-border:rgba(255,255,255,.12);
--ct-color-panel:rgba(255,255,255,.04);
--ct-color-panel-strong:rgba(255,255,255,.07);
--ct-font-main:"Noto Serif JP", serif;
--ct-font-sans:"Noto Sans JP", sans-serif;
--ct-container:1200px;
--ct-transition:.4s ease;
}

html{
scroll-behavior:smooth;
}

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

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

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

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

button,
input,
textarea,
select{
font:inherit;
}

.ct-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;
}

.ct-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));
}

.ct-page-bg::after{
content:"";
position:absolute;
right:-120px;
top:12%;
width:320px;
height:320px;
border-radius:50%;
background:radial-gradient(circle, rgba(117,132,190,.14) 0%, rgba(117,132,190,0) 72%);
}

/* loading */
.ct-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;
}

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

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

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

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

.ct-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:ctLoadingLine 1.8s ease-in-out infinite;
}

@keyframes ctLoadingLogoIn{
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 ctLoadingTextIn{
0%{opacity:0; transform:translateY(8px);}
100%{opacity:1; transform:translateY(0);}
}
@keyframes ctLoadingLine{
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 */
.ct-site-header{
position:fixed;
top:0;
left:0;
width:100%;
z-index:100;
transition:background var(--ct-transition), border-color var(--ct-transition), backdrop-filter var(--ct-transition);
}

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

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

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

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

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

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

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

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

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

.ct-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(--ct-transition);
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

.ct-section-heading h2{
margin:0;
max-width:980px;
font-family:var(--ct-font-main);
font-size:clamp(2rem, 4vw, 3.8rem);
line-height:1.18;
letter-spacing:-.02em;
text-wrap:balance;
}

.ct-eyebrow,
.ct-section-heading__en{
font-size:12px;
letter-spacing:.18em;
text-transform:uppercase;
color:#c8ccda;
}

.ct-text-link{
display:inline-flex;
align-items:center;
gap:10px;
margin-top:10px;
font-size:14px;
color:#fff;
}

.ct-text-link::after{
content:"→";
transition:transform var(--ct-transition);
}

.ct-text-link:hover::after{
transform:translateX(4px);
}

/* hero */
.ct-hero{
padding:160px 0 84px;
}

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

.ct-hero__content{
max-width:880px;
}

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

.ct-hero__line{
margin:0;
font-family:var(--ct-font-main);
font-size: clamp(1rem, 5vw, 2rem);
line-height:1.04;
letter-spacing:-.03em;
text-wrap:balance;
}

.ct-hero__title{
margin:34px 0 0;
font-family:var(--ct-font-main);
font-size: clamp(1.2rem, 5.6vw, 2.5rem);
line-height:1.12;
letter-spacing:-.03em;
}

.ct-hero__lead{
max-width:700px;
margin:28px 0 0;
font-size:17px;
color:var(--ct-color-text-muted);
}

/* trust */
.ct-trust__grid{
display:grid;
grid-template-columns:420px minmax(0, 1fr);
gap:28px;
align-items:start;
}

.ct-trust__head h2{
margin:10px 0 0;
font-family:var(--ct-font-main);
font-size:clamp(1.9rem, 3vw, 3rem);
line-height:1.18;
}

.ct-trust__cards{
display:grid;
gap:18px;
}

.ct-trust-card,
.ct-option-card,
.ct-form-card,
.ct-explore-card,
.ct-contact-card,
.ct-form-note,
.ct-material-like,
.ct-faq-item{
border:1px solid var(--ct-color-border);
background:var(--ct-color-panel);
backdrop-filter:blur(16px);
}

.ct-trust-card{
border-radius:24px;
padding:24px;
}

.ct-trust-card h3{
margin:0 0 10px;
font-family:var(--ct-font-main);
font-size:24px;
line-height:1.25;
}

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

/* options */
.ct-options__grid{
display:grid;
grid-template-columns:repeat(3, minmax(0, 1fr));
gap:18px;
}

.ct-option-card{
min-height:240px;
padding:26px;
border-radius:28px;
}

.ct-option-card__num{
display:inline-flex;
min-width:42px;
min-height:42px;
align-items:center;
justify-content:center;
border-radius:999px;
border:1px solid rgba(255,255,255,.18);
font-size:12px;
letter-spacing:.08em;
color:#cfd5ea;
}

.ct-option-card h3{
margin:18px 0 10px;
font-family:var(--ct-font-main);
font-size:24px;
line-height:1.2;
}

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

.ct-option-card__note{
margin-top:18px !important;
color:#fff !important;
font-size:14px;
}

/* form section */
.ct-form-layout{
display:grid;
grid-template-columns:420px minmax(0, 1fr);
gap:28px;
align-items:start;
}

.ct-form-intro h2{
margin:10px 0 12px;
font-family:var(--ct-font-main);
font-size:clamp(1.9rem, 3vw, 3rem);
line-height:1.18;
}

.ct-form-intro p{
margin:0;
color:var(--ct-color-text-muted);
}

.ct-form-notes{
display:grid;
gap:14px;
margin-top:28px;
}

.ct-form-note{
display:grid;
grid-template-columns:42px 1fr;
gap:14px;
align-items:center;
padding:18px;
border-radius:18px;
}

.ct-form-note span{
display:inline-flex;
width:42px;
height:42px;
align-items:center;
justify-content:center;
border-radius:999px;
border:1px solid rgba(255,255,255,.16);
font-size:12px;
letter-spacing:.08em;
color:#d0d6eb;
}

.ct-form-note p{
margin:0;
color:#fff;
}

.ct-form-card{
border-radius:30px;
padding:28px;
}

.ct-form{
display:grid;
gap:18px;
}

.ct-form__group{
display:grid;
gap:10px;
}

.ct-form__group label{
font-size:14px;
color:#f5f5f2;
}

.ct-form__group label span{
color:#d7dffb;
}

.ct-form input,
.ct-form select,
.ct-form textarea{
width:100%;
border:1px solid rgba(255,255,255,.12);
background:rgba(255,255,255,.03);
color:#fff;
border-radius:16px;
padding:16px 18px;
outline:none;
transition:border-color var(--ct-transition), background var(--ct-transition), box-shadow var(--ct-transition);
}

.ct-form input::placeholder,
.ct-form textarea::placeholder{
color:rgba(247,246,242,.4);
}

.ct-form input:focus,
.ct-form select:focus,
.ct-form textarea:focus{
border-color:rgba(158,168,209,.5);
background:rgba(255,255,255,.05);
box-shadow:0 0 0 4px rgba(158,168,209,.08);
}

.ct-form textarea{
resize:vertical;
min-height:180px;
}

.ct-form__submit{
margin-top:6px;
width:100%;
}

/* faq */
.ct-faq__list{
display:grid;
gap:14px;
}

.ct-faq-item{
border-radius:20px;
padding:0 20px;
}

.ct-faq-item summary{
list-style:none;
cursor:pointer;
padding:20px 0;
font-weight:500;
position:relative;
padding-right:32px;
}

.ct-faq-item summary::-webkit-details-marker{
display:none;
}

.ct-faq-item summary::after{
content:"+";
position:absolute;
right:0;
top:50%;
transform:translateY(-50%);
font-size:22px;
line-height:1;
color:#d0d6eb;
}

.ct-faq-item[open] summary::after{
content:"−";
}

.ct-faq-item p{
margin:0;
padding:0 0 20px;
color:var(--ct-color-text-muted);
}

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

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

.ct-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%);
}

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

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

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

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

.ct-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(--ct-color-text-muted);
}

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

/* responsive */
@media (max-width:1080px){
.ct-trust__grid,
.ct-form-layout{
grid-template-columns:1fr;
}

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

@media (max-width:860px){
.ct-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(--ct-transition), transform var(--ct-transition);
z-index:120;
}

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

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

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

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

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

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

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

.ct-hero{
padding:126px 0 72px;
}

.ct-hero__line{
font-size:25px;
}

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

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

.ct-options__grid,
.ct-explore__grid{
grid-template-columns:1fr;
}

.ct-form-card{
padding:22px;
}

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

.ct-loading__logo{
width:68px;
}

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

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

.ct-trust__head h2 {
font-size: 24px;
}

.ct-trust-card h3 {
font-size: 20px;
}

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

}


#category option{
    color: var(--ct-color-main);
}