:root{--blue:#18a9d7;--deep:#0b3c56;--green:#16d98b;--sky:#eaf9fd;--ink:#162833;--muted:#647680;--line:#dcebf0;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:"Noto Sans JP",sans-serif;background:#fff;line-height:1.8}
a{color:inherit;text-decoration:none}
.header{height:86px;display:flex;align-items:center;padding:0 max(4vw,24px);border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);z-index:30}
.brand img{width:175px;display:block}
.header nav{margin-left:auto;display:flex;gap:32px;font-size:14px;font-weight:600}
.header nav a:hover{color:var(--blue)}
.header-cta{margin-left:36px;background:var(--deep);color:#fff;height:86px;padding:13px 28px;display:flex;flex-direction:column;justify-content:center;font-size:20px;font-weight:800;letter-spacing:.03em}
.header-cta span{font-size:11px;color:#9aefcf}
.hero{min-height:670px;display:grid;grid-template-columns:1.12fr .88fr;max-width:1440px;margin:auto;overflow:hidden}
.hero-copy{padding:100px 6vw 80px}
.eyebrow{color:var(--blue);font-size:12px;letter-spacing:.2em;font-weight:800;margin:0 0 20px}
.hero h1{font-size:clamp(48px,5.2vw,78px);line-height:1.3;letter-spacing:-.04em;margin:0 0 24px;font-weight:900}
.hero h1 span{color:var(--blue)}
.lead{font-size:19px;color:#435863;margin:0 0 34px}
.hero-actions{display:flex;gap:12px}
.button{padding:17px 25px;min-width:210px;text-align:center;border-radius:3px;font-weight:800}
.button.primary{background:linear-gradient(135deg,#0bc77c,#1cdda0);color:#fff;box-shadow:0 12px 28px rgba(11,199,124,.22)}
.button.primary span{float:right}
.button.secondary{border:1px solid #aac4cf;background:#fff}
.trust-list{display:flex;gap:20px;padding:0;margin:28px 0 0;list-style:none;font-size:13px;font-weight:700}
.trust-list li:before{content:"✓";color:#08b872;margin-right:6px}
.hero-visual{position:relative;background:linear-gradient(145deg,#dff8ff,#f6fdff);display:grid;place-items:center;overflow:hidden}
.visual-card{position:relative;z-index:2;width:72%;aspect-ratio:4/5;background:linear-gradient(155deg,#0d526f,#0b3248);color:white;padding:54px 44px;box-shadow:25px 30px 0 rgba(24,169,215,.14)}
.visual-card:after{content:"";position:absolute;width:145px;height:250px;border:24px solid #1fc4ee;border-left:0;border-bottom:0;border-radius:0 100% 0 0;right:22px;bottom:36px;transform:rotate(-16deg);opacity:.65}
.visual-card p{font-size:24px;line-height:1.7;margin:0}
.visual-card strong{font-size:32px}
.life-lines{position:absolute;left:44px;bottom:48px;display:flex;flex-direction:column;gap:8px;font-size:12px;letter-spacing:.15em}
.life-lines i{height:30px;border-left:1px solid #46dba7}
.orb{position:absolute;border-radius:50%}
.orb-one{width:260px;height:260px;background:#2ce1a4;right:-120px;top:60px}
.orb-two{width:150px;height:150px;border:28px solid #65d8f3;left:-60px;bottom:70px}
.problem-band{background:var(--deep);color:white;padding:28px 6vw;display:flex;align-items:center;gap:50px}
.problem-band>p{font-weight:800;white-space:nowrap}
.problem-band>div{display:flex;gap:12px;flex-wrap:wrap}
.problem-band span{font-size:14px;border:1px solid rgba(255,255,255,.24);padding:9px 15px;border-radius:30px}
.section{padding:110px max(6vw,24px)}
.section-heading p{color:var(--blue);font-size:12px;letter-spacing:.2em;font-weight:800;margin:0 0 12px}
.section-heading h2,.about h2,.contact h2{font-size:clamp(34px,4vw,55px);line-height:1.45;margin:0 0 18px;letter-spacing:-.03em}
.section-heading>span{color:var(--muted)}
.services{background:#f8fcfd}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:55px}
.service-grid article{background:#fff;padding:38px;min-height:220px}
.service-grid b,.flow li>b{color:var(--blue);font-size:13px;letter-spacing:.1em}
.service-grid h3{font-size:20px;margin:18px 0 10px}
.service-grid p{margin:0;color:var(--muted);font-size:15px}
.about{display:grid;grid-template-columns:.75fr 1.25fr;gap:9vw;align-items:center;max-width:1250px;margin:auto}
.about-mark{aspect-ratio:1;display:grid;place-content:center;text-align:center;border-radius:50%;background:linear-gradient(145deg,#16a9d8,#0c668b);color:white;box-shadow:30px 30px 0 #e2f7fc}
.about-mark span{font-size:100px;font-weight:900;line-height:1}
.about-mark small{letter-spacing:.18em}
.about-copy>p:not(.eyebrow){color:var(--muted);max-width:680px}
.promise{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.promise span{background:var(--sky);color:#117da2;padding:8px 14px;font-weight:700;font-size:14px}
.flow{background:#f3fbfd}
.center{text-align:center}
.flow ol{list-style:none;padding:0;margin:50px auto 0;max-width:1100px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.flow li{background:#fff;padding:32px;position:relative}
.flow li:not(:last-child):after{content:"→";position:absolute;right:-20px;top:45%;z-index:2;color:var(--blue);font-size:25px}
.flow h3{margin:14px 0 7px}
.flow p{color:var(--muted);font-size:14px;margin:0}
.contact{background:linear-gradient(135deg,#0a4058,#0c5c79);color:white;padding:90px max(8vw,30px);display:grid;grid-template-columns:1fr 380px;gap:10vw;align-items:center}
.contact>div>p:not(.eyebrow){color:#c9e0e9}
.phone{font-size:36px;font-weight:900;display:inline-flex;flex-direction:column;margin-top:20px;line-height:1.35}
.phone small{font-size:13px;color:#68e6b7}
.line-card{background:white;color:var(--ink);padding:30px;text-align:center}
.line-card img{width:190px;max-width:75%}
.line-card h3{margin:12px 0 3px}
.line-card p{font-size:13px!important;color:var(--muted)!important;margin:0!important}
footer{padding:48px max(5vw,25px) 100px;display:grid;grid-template-columns:200px 1fr auto;gap:40px;align-items:center;font-size:13px}
footer img{width:180px}
footer p{margin:2px 0;color:var(--muted)}
footer small{color:#91a0a8}
.mobile-bar{display:none}
@media(max-width:900px){.header{height:68px;padding:0 18px}
.brand img{width:138px}
.header nav,.header-cta{display:none}
.hero{min-height:auto;grid-template-columns:1fr}
.hero-copy{padding:64px 24px 50px}
.hero h1{font-size:44px}
.lead{font-size:17px}
.hero-visual{min-height:380px}
.visual-card{width:70%;aspect-ratio:1.15;padding:36px 28px}
.visual-card strong{font-size:27px}
.problem-band{align-items:flex-start;flex-direction:column;gap:12px}
.section{padding:80px 24px}
.service-grid{grid-template-columns:repeat(2,1fr)}
.about{grid-template-columns:1fr;padding:90px 35px}
.about-mark{width:65%;margin:auto}
.flow ol{grid-template-columns:1fr}
.flow li:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-23px}
.contact{grid-template-columns:1fr}
.line-card{max-width:380px}
.mobile-bar{position:fixed;bottom:0;left:0;right:0;display:grid;grid-template-columns:1fr 1.35fr;z-index:50;box-shadow:0 -4px 20px rgba(0,0,0,.12)}
.mobile-bar a{padding:16px 8px;text-align:center;font-weight:800;background:white}
.mobile-bar a:last-child{background:#11cd84;color:white}
footer{grid-template-columns:1fr;text-align:center}
footer img{margin:auto}
}
@media(max-width:560px){.desktop{display:none}
.hero h1{font-size:37px}
.hero-actions{flex-direction:column}
.button{width:100%}
.trust-list{gap:7px;justify-content:space-between;font-size:11px}
.hero-visual{min-height:330px}
.visual-card{width:78%;padding:30px 24px}
.visual-card p{font-size:19px}
.visual-card strong{font-size:24px}
.service-grid{grid-template-columns:1fr}
.service-grid article{min-height:auto}
.about-mark span{font-size:70px}
.contact{padding:70px 24px}
.phone{font-size:30px}
}
.hero-visual{display:block;position:relative;background:#e9f8fc;overflow:hidden}
.hero-visual>img{width:100%;height:100%;object-fit:cover;object-position:58% center;display:block}
.hero-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,46,65,.62),transparent 52%)}
.visual-message{position:absolute;z-index:2;left:38px;bottom:38px;color:#fff;display:flex;flex-direction:column}
.visual-message small{font-size:11px;letter-spacing:.18em;color:#80e9c2}
.visual-message strong{font-size:25px;line-height:1.5;margin-top:6px}
@media(max-width:900px){.hero-visual>img{height:380px}.visual-message{left:24px;bottom:26px}}
@media(max-width:560px){.hero-visual>img{height:330px}.visual-message strong{font-size:22px}}

/* Mobile typography and Japanese line-breaking */
body{overflow-x:hidden}
h1,h2,h3,p,a,span{line-break:strict}
h1,h2,h3{text-wrap:balance;word-break:auto;overflow-wrap:normal}
@media(max-width:560px){
  .header{padding:0 16px}
  .brand img{width:126px;height:auto}
  .hero-copy{padding:48px 20px 42px}
  .eyebrow{font-size:11px;letter-spacing:.11em;line-height:1.6;margin-bottom:14px}
  .hero h1{font-size:clamp(2rem,9.8vw,2.3rem);line-height:1.38;letter-spacing:-.045em;margin-bottom:20px}
  .lead{font-size:16px;line-height:1.9;margin-bottom:28px}
  .button{min-width:0;padding:15px 18px;font-size:16px}
  .trust-list{display:grid;grid-template-columns:1fr 1fr;gap:7px 12px;justify-content:initial;font-size:12px;line-height:1.55}
  .problem-band{padding:25px 20px}
  .problem-band>p{white-space:normal;margin:0}
  .problem-band>div{display:grid;width:100%;gap:8px}
  .problem-band span{display:block;padding:8px 12px;line-height:1.6}
  .section{padding:66px 20px}
  .section-heading h2,.about h2,.contact h2{font-size:clamp(1.75rem,8vw,2.05rem);line-height:1.55;letter-spacing:-.035em}
  .section-heading>span{display:block;font-size:15px;line-height:1.85}
  .service-grid{margin-top:36px}
  .service-grid article{padding:28px 24px}
  .service-grid h3{font-size:19px;line-height:1.6;margin:12px 0 7px}
  .service-grid p{font-size:15px;line-height:1.85}
  .about{padding:68px 24px;gap:58px}
  .about-mark{width:min(230px,72vw)}
  .about-mark span{font-size:64px}
  .about-copy>p:not(.eyebrow){font-size:15px;line-height:1.9}
  .promise{display:grid;grid-template-columns:1fr;gap:8px}
  .promise span{font-size:14px;line-height:1.55}
  .flow ol{margin-top:34px}
  .flow li{padding:27px 24px}
  .contact{padding:64px 20px;gap:42px}
  .contact>div>p:not(.eyebrow){font-size:15px;line-height:1.9}
  .phone{font-size:clamp(1.65rem,7.7vw,2rem);letter-spacing:-.02em}
  .line-card{width:100%;padding:26px 20px}
  footer{padding:42px 20px 96px;gap:22px}
  footer p{font-size:13px;line-height:1.75;overflow-wrap:anywhere}
  .mobile-bar a{padding:14px 6px;font-size:14px;line-height:1.45}
  .visual-message{left:20px;right:20px;bottom:22px}
  .visual-message strong{font-size:20px;line-height:1.55}
}
@media(max-width:360px){
  .hero-copy{padding-left:16px;padding-right:16px}
  .hero h1{font-size:1.95rem}
  .trust-list{grid-template-columns:1fr}
  .section{padding-left:16px;padding-right:16px}
  .phone{font-size:1.62rem}
}