/* ====== Extracted from user's HTML ====== */
*{margin:0;padding:0;box-sizing:border-box}
img{max-width:100%;height:auto;display:block}
a{color:inherit; text-decoration: none;}
:root{--c-text:#333;--c-bg:#fff;--c-accent:#87A3A7;--c-dark:#000;--radius-pill:50px;--space-1:8px;--space-2:12px;--space-3:16px;--space-4:20px;--space-5:24px;--space-6:32px;--space-7:40px;--space-8:60px;--right-rail-w:80px}
body{font-family:'Noto Sans JP',system-ui,-apple-system,Segoe UI,Roboto,"Hiragino Kaku Gothic ProN","Meiryo",sans-serif;background:var(--c-bg);color:var(--c-text)}
/* ========== Layout (from dl version) ========== */
.dl-container{display:grid;grid-template-columns:40% calc(60% - var(--right-rail-w));min-height:100vh}
.dl-rail--left{position:sticky;top:0;height:100vh;background:var(--c-dark);overflow:hidden}
.dl-rail--left-bg-slideshow{position:absolute;inset:0;z-index:0}
.dl-rail--left-bg-slideshow img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;animation:bgFade 15s infinite ease-in-out}
.dl-rail--left-bg-slideshow img:nth-child(1){animation-delay:0s}
.dl-rail--left-bg-slideshow img:nth-child(2){animation-delay:5s}
.dl-rail--left-bg-slideshow img:nth-child(3){animation-delay:10s}
@keyframes bgFade{0%{opacity:0}6%{opacity:1}33%{opacity:1}39%{opacity:0}100%{opacity:0}}
.dl-rail--left-content{position:absolute;z-index:1;bottom:7em;left:7em;display:flex;flex-direction:column;gap:30px}
.dl-rail--left-text{color:#fff;display:flex;flex-direction:row-reverse;text-align:end;gap:var(--space-3);justify-content: center;}
.dl-rail--left-text h1{font-size:clamp(28px,4vw,64px);line-height:1.05}
.dl-rail--left-text p{font-size:clamp(12px,1.3vw,16px)}
.dl-vertical{writing-mode:vertical-rl;margin:10px 0;font-weight:bold}
.dl-mail-btn{width:140px;height:140px;border:1px solid #fff;color:#fff;justify-content:center;display:flex;align-items:center;flex-direction:column;transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;border-radius:12px}
.dl-mail-btn h2{font-size:16px;margin-top:15px}
.dl-mail-btn:hover{background-color:#fff;color:var(--c-accent);border-color:#fff;transform:translateY(-2px)}
.dl-mail-btn a{text-decoration: none;}
.dl-main{padding:40px 0 0 0}
.dl-fv{position:relative;display:flex;flex-direction:column;text-align:center;justify-content:center;margin-bottom:60px;height:100vh}
.dl-fv h2{font-size:clamp(32px,6vw,64px)}
.dl-fv p{margin-top:var(--space-2);font-size:clamp(14px,1.6vw,18px)}
.dl-gnav{display:flex;justify-content:center;gap:10px;margin-top:50px;flex-wrap:wrap}
.dl-gnav a{padding:6px 20px;border-radius:20px;text-decoration:none;color:var(--c-text);transition:background-color .25s ease,color .25s ease,border-color .25s ease}
.dl-gnav a:hover{background-color:var(--c-accent);border-color:var(--c-accent);color:#fff}
.dl-fv-copy{position:absolute;top:var(--copy-y,40%);left:var(--copy-x,50%);width:var(--copy-w,min(40vw,360px));height:auto;transform:translate(-50%,-50%);pointer-events:none;user-select:none}
.dl-works{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:0 25px 60px 50px;}
.dl-work-card{outline:none;background:#fff;border-radius:10px;overflow:hidden}
.dl-work-card img{width:100%;display:block}
.dl-card-info{background:#fff;padding:12px 20px;line-height:1.6;display:flex;gap:10px;justify-content:space-between;align-items:center}
.dl-card-info h3{font-size:18px}
.dl-card-info p{font-size:14px}
.dl-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:10px 18px;border:1px solid var(--c-accent);min-width:7em;height:44px;border-radius:var(--radius-pill);text-decoration:none;color:var(--c-accent);font-weight:600;transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease;outline:none}
.dl-btn i{opacity:0;transform:translateX(-6px);transition:opacity .25s ease,transform .25s ease;width:1em;display:inline-block}
.dl-btn:hover{background-color:var(--c-accent);color:#fff}
.dl-btn:hover i{opacity:1;transform:translateX(0)}
.dl-btn:focus-visible{box-shadow:0 0 0 3px rgba(135,163,167,.35)}
.dl-btn:focus-visible i{opacity:1;transform:translateX(0)}
.dl-services{position:relative;padding:70px 40px 40px 10px;margin-bottom:30px;background-color: #87A3A7;color: #fff;}
.dl-services__box{position:relative;padding:0 16px}
.dl-service{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.dl-service img{width:40%;height:auto;border-radius:8px}
.dl-service__text{display:flex;flex-direction:column;gap:14px}
.dl-service__text h3{line-height:1.25;font-size:28px}
.dl-service__text p{line-height:1.9;font-size:14px}
.dl-tag{display:inline-block;border:1px solid #bbb;padding:4px 10px;border-radius:999px;font-size:12px;line-height:1;margin:6px 6px 0 0}
.dl-service__actions{display:flex;justify-content:flex-end;margin-top:12px}
.dl-btn--more{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid #fff;color:#fff;border-radius:var(--radius-pill);text-decoration:none;font-weight:600;transition:background-color .25s ease,color .25s ease,border-color .25s ease,transform .25s ease}
.dl-btn--more:hover{background-color:#fff;border-color:#fff;color:#87A3A7;transform:translateY(-1px)}
.dl-about{padding:100px;margin:50px 0;border-radius:100px}
.dl-about__title h2{font-size:36px;line-height:1.6;margin-bottom:30px;margin-left:25px;color:#333}
.dl-about__title h3{color:#87A3A7;font-size:28px;line-height:1.8;margin-bottom:30px;margin-left:25px}
.dl-note{position:relative;padding:2rem;background-color:#fff;border-radius:50px}
.dl-note::before{position:absolute;top:1.8rem;left:.5rem;width:calc(100% - 2rem);height:calc(100% - 2rem);background-image:repeating-linear-gradient(#ccd6d7 0 1px,transparent 1px 37px);content:'';padding:10px}
.dl-note p{color:#87A3A7;line-height:2.3}
.dl-footer{padding:60px 16px;text-align:center;color:#666;background-color:#87A3A7;border-radius:100px 100px 0 0}
.dl-footer p{color:#fff;margin-top:50px}
.dl-footer__menu{display:flex;flex-direction:column;color:#fff}
.dl-footer__menu a{font-size:20px;display:inline-block;padding:17px 15px;text-decoration:none}
.dl-footer__menu span{font-size:12px;margin-left:5px}
.dl-footer__works-menu{display:flex;flex-direction:column;font-size:16px}
.dl-footer__works-menu a{color:#d4ecf0;font-size:12px}
.dl-footer__works-menu i{margin-right:5px}
.dl-rail--right{position:fixed;top:0;right:0;height:100vh;width:var(--right-rail-w);background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:6em 1em;gap:20px;z-index:1100}
.dl-rail--right a{writing-mode:vertical-rl;text-decoration:none;color:#fff;background-color:#333;border:1px solid #333;padding:20px 5px;border-radius:var(--radius-pill);transition:background-color .25s ease,color .25s ease,border-color .25s ease}
.dl-rail--right a:hover{background-color:#fff;color:#333;border-color:#333}
.dl-news {margin: 0 40px;}

/* ========== Hamburger Grid Menu (dl-namespace) ========== */
.dl-header{position:relative;z-index:1200}
.dl-hamburger-grid{position:fixed;top:20px;right:20px;z-index:1500;width:50px;height:50px;padding:10px;border:none;background:transparent;cursor:pointer;overflow:visible}
.dl-hamburger-grid__dots{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;width:100%;height:100%;position:relative;z-index:2}
.dl-hamburger-grid__dot{width:100%;height:100%;background-color:#748487;border-radius:50%;transition:transform .3s ease,background-color .3s ease}
.dl-hamburger-grid.active .dl-hamburger-grid__dot{background-color:#fff}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(1){transform:scale(0)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(2){transform:translateY(8px)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(3){transform:scale(0)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(4){transform:translateX(8px)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(5){transform:scale(1.2)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(6){transform:translateX(-8px)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(7){transform:scale(0)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(8){transform:translateY(-8px)}
.dl-hamburger-grid.active .dl-hamburger-grid__dot:nth-child(9){transform:scale(0)}
.dl-nav-grid{position:fixed;top:0;left:0;width:100%;height:100vh;background-color:#87A3A7;visibility:hidden;opacity:0;transition:all .5s cubic-bezier(0.4,0,0.2,1);z-index:1400}
.dl-nav-grid.active{visibility:visible;opacity:1}
.dl-nav-grid__content{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;max-width:1200px;height:100%;margin:0 auto;padding:100px 40px}
.dl-nav-grid__sections{grid-column:span 12;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:40px;text-align:center;align-items:center}
.dl-nav-grid__section{opacity:0;transform:translateY(20px);transition:all .5s cubic-bezier(0.4,0,0.2,1)}
.dl-nav-grid.active .dl-nav-grid__section{opacity:1;transform:translateY(0)}
.dl-nav-grid.active .dl-nav-grid__section:nth-child(1){transition-delay:.2s}
.dl-nav-grid.active .dl-nav-grid__section:nth-child(2){transition-delay:.3s}
.dl-nav-grid__title{margin:0 0 20px;color:#666;font-size:14px;text-transform:uppercase;letter-spacing:2px}
.dl-nav-grid__list{margin:0;padding:0;list-style:none}
.dl-nav-grid__list li{margin-bottom:15px;overflow:hidden}
.dl-nav-grid__link{display:inline-block;color:#fff;font-size:24px;text-decoration:none;transform:translateY(100%);transition:transform .5s cubic-bezier(0.4,0,0.2,1),color .3s ease}
.dl-nav-grid.active .dl-nav-grid__link{transform:translateY(0)}
.dl-nav-grid__link:hover{color:#4a90e2}

/* --- NEW: Amoeba (light blue) background behind hamburger icon --- */
.dl-hamburger-grid__blob{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:100px;height:100px;pointer-events:none;z-index:1;
  background:radial-gradient(50% 50% at 30% 30%, #87a3a7 0%, #87a3a7 50%, #87a3a7 75%, #E9C086 100%);
  filter:blur(8px);
  border-radius:12% 0% 52% 48% / 17% 0% 62% 53%;
  animation:dlBlobMorph 8s ease-in-out infinite;
  mix-blend-mode:normal;
}
.dl-hamburger-grid.active .dl-hamburger-grid__blob{animation-duration:5s;filter:blur(10px)}
@keyframes dlBlobMorph{
  0%{border-radius:22% 0% 52% 48% / 17% 0% 62% 53%;transform:translate(-50%,-50%) scale(1) rotate(0deg)}
  33%{border-radius:30% 0% 45% 85% / 10% 0% 40% 60%;transform:translate(-50%,-50%) translate(2px,-3px) scale(1.06) rotate(6deg)}
  66%{border-radius:25% 0% 80% 40% / 30% 0% 60% 40%;transform:translate(-50%,-50%) translate(-3px,2px) scale(.97) rotate(-6deg)}
  100%{border-radius:5% 0% 52% 48% / 27% 0% 62% 53%;transform:translate(-50%,-50%) scale(1) rotate(0deg)}
}

/* --- NEW: Scroll reveal animation (ふわっと浮き上がる) --- */
.dl-reveal{
  opacity:0;transform:translateY(18px) scale(.98);filter:blur(4px);
  transition:
    opacity .85s cubic-bezier(.2,.6,.2,1) var(--reveal-delay,0s),
    transform .85s cubic-bezier(.2,.6,.2,1) var(--reveal-delay,0s),
    filter .6s ease var(--reveal-delay,0s);
  will-change:opacity,transform,filter;
}
.dl-reveal.is-inview{opacity:1;transform:translateY(0) scale(1);filter:blur(0)}

/* Respect reduced motion */
@media (prefers-reduced-motion:reduce){
  .dl-hamburger-grid__blob{animation:none}
  .dl-reveal{opacity:1;transform:none;filter:none;transition:none}
}

/* ========== Responsive ========== */
@media (max-width:1200px){.dl-rail--left-content{left:4em;bottom:4em}}
@media (max-width:900px){
  .dl-container{grid-template-columns:1fr}
  .dl-rail--left{position:relative;height:100vh}
  .dl-fv h2{display:none}
  .dl-main{padding:24px 0 0}
  .dl-works{grid-template-columns:1fr 1fr; margin: 20px 30px 70px;}
  .dl-rail--right{display: none;}
  .dl-rail--right a{display: none;}
  .dl-fv{height:20vh}
  .dl-mail-btn{width:80px;height:80px}
  .dl-mail-btn h2{display:none}
  .dl-rail--left-text{width: 70px;}
}
@media (max-width:768px){
  .dl-nav-grid__content{padding:80px 20px}
  .dl-nav-grid__sections{grid-template-columns:1fr}
  .dl-nav-grid__link{font-size:20px}
}
@media (max-width:600px){
  .dl-about{padding:24px 40px;border-radius:24px}
  .dl-note{padding:16px;border-radius:12px}
  .dl-rail--left-content{left:1.2em;bottom:1.2em;gap:16px}
  .dl-works{grid-template-columns:1fr;gap:16px}
  .dl-fv{margin-bottom:5px;position:relative;z-index:2;margin-top:calc(-1 * var(--copy-m-overlap,40px));min-height:25vh;height:auto}
  .dl-gnav{gap:8px;padding:0}
  .dl-gnav a{padding:6px 14px}
  .dl-service{flex-direction:column;align-items:flex-start}
  .dl-service img{width:100%;max-width:420px}
  .dl-services{padding:70px 40px 40px 40px;}
  .dl-card-info h3{font-size:16px}
  .dl-card-info p{font-size:13px}
  .dl-fv h2{display:none}
  .dl-fv p{display:none}
  .dl-container{position:relative}
  .dl-rail--left{z-index:1}
  .dl-fv-copy{top:var(--copy-m-y,10%);left:var(--copy-m-x,60%);width:var(--copy-m-w,min(72vw,360px));transform:translate(-50%,-50%);z-index:2;pointer-events:none;user-select:none}
  .dl-note::before{top:.8rem}
  .dl-rail--left-text{width: 70px;}

}

/* --- Footer credits (Unsplash / Freepik) --- */
.dl-footer__credits{display:flex;align-items:center;justify-content:center;gap:1.2rem;margin-top:1rem;flex-wrap:wrap;color:#fff;flex-direction: column;margin: 50px;}
.dl-footer__credits h3{font-size:16px;margin:0}
.dl-credit-links{display:flex;align-items:center;gap:.8rem;flex-wrap:wrap}
.dl-credit-links .dl-credit-sep{opacity:.6}
.dl-credit-links .dl-btn{padding:8px 14px;height:auto;min-width:auto;border-color:#fff;color:#fff}
.dl-credit-links .dl-btn:hover{background:#fff;color:var(--c-accent)}
@media (max-width:600px){
  .dl-footer__credits{gap:.8rem}
  .dl-footer__credits h3{font-size:14px}
  .dl-credit-links .dl-btn{padding:6px 12px;font-size:14px}
}