:root{
 --navy:#17324a; --blue:#3898d8; --sky:#e9f7ff; --cream:#fff8e9;
 --gold:#f4c96b; --mint:#e2f6ee; --lav:#eee9ff; --white:#fff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"Hiragino Sans","Noto Sans JP","Yu Gothic UI","Meiryo",system-ui,sans-serif;color:var(--navy);background:#fff;-webkit-font-smoothing:antialiased}
a{color:inherit}
p{font-size:16px;line-height:2;margin:0;max-width:650px}

/* header */
.header{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:16px clamp(16px,4vw,48px);background:rgba(255,253,248,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(23,50,74,.06)}
.header .logo{font-size:18px;text-decoration:none}
.menu{display:flex;gap:4px}
.menu a{font-size:13px;text-decoration:none;padding:8px 12px;border-radius:999px;letter-spacing:.04em}
.menu a:hover{background:#edf6fb}

/* layout */
.section{min-height:680px;position:relative;overflow:hidden;display:flex;align-items:center;padding:96px 0}
.inner{width:min(1120px,calc(100% - 56px));margin:auto;position:relative;z-index:2}
.logo{font-weight:800;letter-spacing:.16em;font-size:22px;margin:0}
.kicker{font-size:11px;letter-spacing:.2em;text-transform:uppercase;opacity:.58;margin:0 0 18px}
h1{font-size:clamp(40px,6vw,78px);line-height:1.12;letter-spacing:-.04em;margin:0 0 28px;font-weight:760}
h2{font-size:clamp(28px,4vw,48px);line-height:1.25;letter-spacing:-.03em;margin:0 0 20px}

/* hero */
.hero{background:linear-gradient(135deg,#fffdf8 0%,#f9fcff 58%,#eaf8ff 100%);min-height:100vh;min-height:100svh}
.nw{display:inline-block}
.hero h1 .accent{color:var(--blue)}
.hero .lead{font-size:18px}
.sun{position:absolute;width:650px;height:650px;border-radius:50%;right:-150px;top:-210px;background:radial-gradient(circle,#fff3bd 0%,#ffe8a0 25%,rgba(255,232,160,.35) 53%,rgba(255,232,160,0) 72%);filter:blur(2px);animation:glow 8s ease-in-out infinite alternate}
.orb{position:absolute;width:420px;height:300px;border-radius:50% 45% 55% 50%;right:12%;bottom:-140px;background:linear-gradient(135deg,#bfeeff,#d6d0ff);opacity:.7;transform:rotate(-12deg);animation:float 12s ease-in-out infinite alternate}
.scroll{margin-top:50px;display:inline-flex;gap:12px;align-items:center;font-size:12px;letter-spacing:.14em;opacity:.62;text-decoration:none}
.scroll:hover{opacity:1}
.line{width:42px;height:1px;background:var(--navy)}
@keyframes glow{from{opacity:.85;transform:scale(1)}to{opacity:1;transform:scale(1.05)}}
@keyframes float{from{transform:rotate(-12deg) translateY(0)}to{transform:rotate(-8deg) translateY(-24px)}}
@media(prefers-reduced-motion:reduce){.sun,.orb{animation:none}html{scroll-behavior:auto}}

/* story */
.story{background:linear-gradient(160deg,#ffffff 0%,#f5fbff 100%)}
.storygrid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:center}
.quote{font-size:clamp(28px,4vw,52px);line-height:1.45;letter-spacing:-.03em}
.storytext p{line-height:2.1;margin-bottom:1.4em}
.storytext p:last-child{margin-bottom:0}

/* pillars */
.pillars{background:#fffaf1}
.pillarsgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.pillar{padding:28px 22px;border-radius:24px;background:rgba(255,255,255,.82);border:1px solid rgba(23,50,74,.07);min-height:190px}
.pillar b{display:block;font-size:12px;letter-spacing:.16em;margin-bottom:22px;color:var(--blue)}
.pillar h3{font-size:19px;line-height:1.5;margin:0 0 12px}
.pillar p{font-size:13px;line-height:1.8}

/* products */
.products{background:linear-gradient(145deg,#edf8ff,#fff)}
.productsgrid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:34px}
.product{padding:36px;border-radius:30px;min-height:300px;position:relative;overflow:hidden}
.realia{background:linear-gradient(145deg,#dff3ff,#eef0ff)}
.masunobi{background:linear-gradient(145deg,#e8f8f0,#edf8ff)}
.product .tag{font-size:11px;letter-spacing:.15em;opacity:.6}
.product h3{font-size:32px;margin:18px 0 8px;letter-spacing:.04em}
.product .catch{font-weight:700;margin-bottom:10px}
.product p{font-size:14px;line-height:1.9}
.product .status{display:inline-block;margin-top:22px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.7)}

/* about */
.about{background:#fff;min-height:auto}
.aboutgrid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:start}
.info{margin:0;border-top:1px solid rgba(23,50,74,.12)}
.info div{display:grid;grid-template-columns:8em 1fr;gap:16px;padding:18px 0;border-bottom:1px solid rgba(23,50,74,.12);font-size:15px;line-height:1.7}
.info dt{opacity:.6}
.info dd{margin:0}

/* end */
.end{background:var(--navy);color:#fff;min-height:520px;text-align:center}
.end .inner{display:flex;flex-direction:column;align-items:center}
.end h2{max-width:760px;margin-top:32px}
.end p{color:rgba(255,255,255,.76);max-width:560px}
.end .light{margin-top:45px;width:150px;height:150px;border-radius:50%;background:radial-gradient(circle,rgba(255,241,181,.9),rgba(255,241,181,0) 68%);filter:blur(3px)}

/* footer */
.footer{background:var(--navy);color:rgba(255,255,255,.55);text-align:center;padding:0 16px 32px}
.footer p{font-size:12px;letter-spacing:.08em;margin:auto}

@media(max-width:820px){
 .section{min-height:auto;padding:88px 0}
 .storygrid,.aboutgrid{grid-template-columns:1fr;gap:35px}
 .pillarsgrid{grid-template-columns:1fr 1fr}
 .productsgrid{grid-template-columns:1fr}
 .sun{right:-330px}
 .orb{width:300px;height:220px;right:-60px;bottom:-120px}
 .inner{width:calc(100% - 32px)}
 .menu{display:none}
}
@media(max-width:520px){
 .pillarsgrid{grid-template-columns:1fr}
 .hero h1{font-size:8.6vw}
 .hero .lead{font-size:16px}
 .product{padding:28px}
 .info div{grid-template-columns:6em 1fr}
}