:root{--navy:#0f2a44;--copper:#b8652a;--copper2:#d9893f;--bg:#f5f3ef;--txt:#1d2733}
*{box-sizing:border-box}body{margin:0;font-family:"Noto Sans JP","Hiragino Sans",sans-serif;color:var(--txt);line-height:1.8;background:#fff}
a{color:inherit}img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid #e6e2da}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:1.25rem;color:var(--navy)}
.logo small{display:block;font-size:.65rem;letter-spacing:.15em;color:var(--copper);font-weight:500;line-height:1}
.logo svg{width:38px;height:38px}
nav ul{list-style:none;display:flex;gap:18px;margin:0;padding:0;align-items:center}
nav a{text-decoration:none;font-size:.85rem;font-weight:500}nav a:hover{color:var(--copper)}
.btn{display:inline-block;background:var(--copper);color:#fff!important;padding:10px 22px;border-radius:4px;text-decoration:none;font-weight:700}
.btn:hover{background:var(--copper2)}.btn.ghost{background:transparent;border:2px solid #fff}
.lang{border:1px solid var(--navy);padding:2px 10px;border-radius:3px;font-size:.8rem}
.menu-btn{display:none;background:none;border:0;font-size:1.8rem;cursor:pointer;color:var(--navy)}
.hero{position:relative;min-height:78vh;display:flex;align-items:center;color:#fff;background:linear-gradient(100deg,rgba(15,42,68,.92) 30%,rgba(15,42,68,.45)),url(assets/copper1.jpg) center/cover}
.hero h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.35;margin:0 0 18px}
.hero p{font-size:1.1rem;max-width:620px;opacity:.95}.hero .en{letter-spacing:.3em;color:var(--copper2);font-weight:700;font-size:.85rem}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
section{padding:90px 0}section.alt{background:var(--bg)}
.sec-h{text-align:center;margin-bottom:50px}.sec-h .en{color:var(--copper);letter-spacing:.3em;font-size:.8rem;font-weight:700;text-transform:uppercase}
.sec-h h2{font-size:2rem;margin:6px 0 0;color:var(--navy)}.sec-h h2:after{content:"";display:block;width:48px;height:3px;background:var(--copper);margin:14px auto 0}
.grid3{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.card{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 6px 24px rgba(15,42,68,.08);display:flex;flex-direction:column}
.card img{height:220px;width:100%;object-fit:cover}.card .b{padding:22px}.card .num{color:var(--copper);font-weight:700;font-size:.85rem;letter-spacing:.2em}
.card h3{margin:4px 0 8px;color:var(--navy);font-size:1.15rem}
.items{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:1100px) and (min-width:901px){.grid3{grid-template-columns:repeat(2,1fr)}}
.item{background:#fff;border:1px solid #e6e2da;border-top:4px solid var(--copper);padding:18px 8px;text-align:center;font-weight:700;color:var(--navy)}
.item svg{width:40px;height:40px;margin:0 auto 8px}
.note{font-size:.85rem;color:#667;text-align:center;margin-top:18px}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:f}
.step{background:var(--navy);color:#fff;padding:26px 20px;border-radius:6px;position:relative}
.step:before{counter-increment:f;content:"STEP 0" counter(f);color:var(--copper2);font-weight:700;font-size:.8rem;letter-spacing:.15em}
.step h3{margin:6px 0}.step p{margin:0;font-size:.9rem;opacity:.9}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.gallery img{height:200px;width:100%;object-fit:cover;border-radius:4px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.eco{background:linear-gradient(135deg,#123a2e,#0f2a44);color:#fff}.eco .sec-h h2{color:#fff}
.eco-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.eco-list div{border:1px solid rgba(255,255,255,.25);padding:26px;border-radius:6px}
.eco-list h3{margin-top:0;color:#9fd3b0}
table.prof{width:100%;border-collapse:collapse;background:#fff}table.prof th,table.prof td{border-bottom:1px solid #e1ddd5;padding:16px;text-align:left;vertical-align:top}
table.prof th{width:28%;background:#f0ece5;color:var(--navy)}
.ph{background:#fff4d6;color:#8a5a00;padding:1px 6px;border-radius:3px;font-size:.88em}
.map iframe{width:100%;height:380px;border:0;border-radius:6px}
.contact-box{background:var(--navy);color:#fff;text-align:center;padding:70px 20px}
.contact-box .tel{font-size:2.2rem;font-weight:700;letter-spacing:.05em;color:#fff;text-decoration:none}
.cbox{display:flex;justify-content:center;gap:40px;flex-wrap:wrap;margin:24px 0}
form.cf{max-width:640px;margin:30px auto 0;text-align:left;display:grid;gap:12px}
form.cf input,form.cf textarea,form.cf select{width:100%;padding:12px;border-radius:4px;border:0;font:inherit}
.page-h{background:linear-gradient(100deg,var(--navy),#28496b);color:#fff;padding:70px 0 50px}.page-h h1{margin:0}.page-h .en{color:var(--copper2);letter-spacing:.3em;font-size:.8rem;font-weight:700}
footer{background:#0a1d30;color:#c9d2dc;padding:40px 0 20px;font-size:.88rem}
.fgrid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px}footer a{text-decoration:none}
.copy{text-align:center;margin-top:30px;opacity:.6;font-size:.78rem}
@media(max-width:900px){.grid3,.eco-list{grid-template-columns:1fr}.items{grid-template-columns:repeat(3,1fr)}.flow,.gallery{grid-template-columns:repeat(2,1fr)}.split{grid-template-columns:1fr}
.menu-btn{display:block}nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid #ddd}nav.open{display:block}nav ul{flex-direction:column;padding:20px;gap:16px}section{padding:60px 0}.hero{min-height:64vh}}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pcard{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 6px 20px rgba(15,42,68,.08)}
.pcard img,.pph{aspect-ratio:1;width:100%;object-fit:cover}
.pph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:repeating-linear-gradient(45deg,#f7f4ef,#f7f4ef 12px,#efe9e0 12px,#efe9e0 24px);color:#8a6a4a;font-size:.8rem;border-bottom:1px dashed #d4c3ae}
.pcard .b{padding:14px 16px}.pcard h3{margin:0;color:var(--navy);font-size:1.05rem}.pen{color:var(--copper);font-size:.8rem;font-weight:700}.pcard p{margin:6px 0 0;font-size:.86rem;color:#556}
@media(max-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
.catc{text-decoration:none;color:inherit;transition:transform .2s}.catc:hover{transform:translateY(-4px)}
.cat-ill{height:220px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f2a44,#28496b)}
.more{display:inline-block;margin-top:8px;color:var(--copper);font-weight:700;font-size:.9rem}.page-h p{opacity:.9;margin:10px 0 0}
@media(max-width:900px){.grid3[style]{grid-template-columns:1fr!important}}
.pph{background:#f2f4f7!important;border-bottom:0!important;color:#8a93a0}.pph svg *{stroke:#b9c0ca}.pph svg rect[fill]{fill:#b9c0ca}
.pcard img{background:#f2f4f7}
.access{display:grid;grid-template-columns:2fr 1fr;gap:30px;align-items:center}.map-full iframe{height:460px}
@media(max-width:900px){.access{grid-template-columns:1fr}.map-full iframe{height:320px}}
.rbanner{display:block;background:linear-gradient(90deg,#b8652a,#d9893f);color:#fff;text-decoration:none;padding:34px 0}.rbanner .wrap{display:flex;gap:24px;align-items:center;flex-wrap:wrap}.rbanner .en{letter-spacing:.3em;font-size:.8rem;font-weight:700}.rbanner strong{font-size:1.4rem}.rbanner:hover{filter:brightness(1.05)}
.longwel{text-align:center;font-size:1.6rem;font-weight:700;color:#fff;background:var(--copper);padding:14px;border-radius:6px;margin:0 0 30px}
.rgrid{display:grid;grid-template-columns:2fr 1fr;gap:30px;align-items:start}.rgrid h3{color:var(--navy)}
.rapply{background:var(--navy);color:#fff;padding:30px;border-radius:6px;display:grid;gap:12px;text-align:center}.ghost2{background:transparent!important;border:2px solid #fff}
@media(max-width:900px){.rgrid{grid-template-columns:1fr}}
.pres{display:flex;gap:30px;align-items:center;background:#f2f4f7;border-radius:8px;padding:24px}.pres img{width:220px;border-radius:6px;box-shadow:0 6px 20px rgba(0,0,0,.12)}.pres .en{color:var(--copper);letter-spacing:.3em;font-size:.75rem;font-weight:700}.pres h3{margin:6px 0 0;color:var(--navy);font-size:1.4rem}
@media(max-width:600px){.pres{flex-direction:column;text-align:center}}
.logo img{width:46px;height:46px}.wm-jp{color:#d08a2a;font-size:1.3rem;letter-spacing:.05em}.wm-en{color:#1f3a7a!important;letter-spacing:.08em!important;font-size:.7rem!important}
.htag{display:inline-block;border:1px solid rgba(255,255,255,.6);padding:4px 14px;border-radius:20px;font-size:.9rem;margin-bottom:14px}.htag2{font-size:1.25rem!important;font-weight:700;color:#f1c27d}.ftag{color:#d9893f;font-size:.85rem}
.pres{align-items:flex-start}.pres .msg h4{font-size:1.5rem;color:var(--navy);margin:8px 0 16px}.pres .msg p{margin:0 0 1em}.pres .sign{text-align:right;font-weight:700;color:var(--navy)}
.pres figure{flex:0 0 240px}.pres figure img{width:240px}.pres figcaption{margin-top:8px;font-weight:700;color:var(--navy)}