*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--ocean:#1a3a52;--wave:#4a90a4;--foam:#c4d7e0;--line:#8b6914;--font-head:'Oswald',sans-serif;--font:'Noto Sans JP',sans-serif}
body{font-family:var(--font);background:var(--foam);color:var(--ocean);line-height:1.7}
img{max-width:100%;display:block;object-fit:cover}
a{color:var(--wave);font-weight:500}
.hook-head{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--ocean);color:#fff;position:sticky;top:0;z-index:20}
.hook-head h1{font-family:var(--font-head);letter-spacing:.12em;font-size:1.35rem}
.hook-head span{color:var(--wave)}
.hook-head nav{display:flex;gap:1.2rem;flex-wrap:wrap}
.hook-head nav a{color:#fff;text-decoration:none;font-size:.88rem}
.hook-hero{padding:3.5rem 2rem 2rem;text-align:center;background:linear-gradient(180deg,#fff 0%,var(--foam) 60%)}
.hook-hero p{font-family:var(--font-head);color:var(--wave);letter-spacing:.15em;font-size:.85rem}
.hook-hero h2{font-family:var(--font-head);font-size:clamp(1.8rem,4.5vw,2.8rem);margin:.6rem 0;line-height:1.25}
.hook-hero .sub{max-width:560px;margin:0 auto;font-size:.95rem;color:#2c4a5e}
.line-shop{max-width:880px;margin:0 auto;padding:2rem 2rem 3rem 4rem;position:relative}
.fishing-line{position:absolute;left:2.2rem;top:0;bottom:0;width:3px;background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 16px);opacity:.7}
.hook-node{position:relative;margin-bottom:3.5rem;padding-left:2.5rem}
.hook-node::before{content:'';position:absolute;left:-.35rem;top:1.2rem;width:28px;height:28px;background:var(--ocean);clip-path:polygon(50% 0%,0% 100%,100% 100%);transform:rotate(180deg);border-radius:2px 2px 0 0}
.hook-node::after{content:'';position:absolute;left:.55rem;top:2.6rem;width:2px;height:calc(100% + 1rem);background:var(--line)}
.hook-node:last-child::after{display:none}
.hook-card{display:grid;grid-template-columns:140px 1fr auto;gap:1.25rem;align-items:center;background:#fff;border:2px solid var(--ocean);border-radius:10px;padding:1.25rem;box-shadow:4px 4px 0 rgba(26,58,82,.12)}
.hook-card img{width:140px;height:105px;border-radius:6px}
.hook-card h3{font-family:var(--font-head);font-size:1.15rem;margin-bottom:.35rem}
.hook-card .price{font-family:var(--font-head);font-size:1.2rem;color:var(--wave)}
.hook-card .meta{font-size:.85rem;color:#4a6678;margin-top:.25rem}
.hook-card button{background:var(--ocean);color:#fff;border:none;padding:.65rem 1.4rem;cursor:pointer;border-radius:4px;font-size:.9rem;white-space:nowrap}
.hook-card button:hover{background:var(--wave)}
.depth-section{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:1000px;margin:0 auto;padding:2rem;align-items:center}
.depth-section img{border-radius:10px;max-height:340px;width:100%}
.depth-section h2{font-family:var(--font-head);font-size:1.5rem;margin-bottom:.75rem;color:var(--ocean)}
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;max-width:1000px;margin:0 auto;padding:0 2rem 2rem}
.tip-box{background:#fff;border-left:4px solid var(--wave);padding:1.25rem;border-radius:0 8px 8px 0}
.tip-box h4{font-family:var(--font-head);margin-bottom:.4rem;font-size:1rem}
.faq-block{max-width:800px;margin:0 auto;padding:2rem}
.faq-block h2{font-family:var(--font-head);margin-bottom:1.25rem;text-align:center}
.faq-item{border-bottom:1px solid rgba(26,58,82,.2);padding:1rem 0}
.faq-item h4{font-size:.95rem;margin-bottom:.35rem}
.faq-item p{font-size:.88rem;color:#3d5a6e}
.legal-hook{padding:2.5rem 2rem;background:var(--ocean);color:#fff;font-size:.88rem;margin-top:2rem}
.legal-hook h3,.legal-hook h4{color:var(--wave);margin:1rem 0 .5rem}
.legal-hook a{color:var(--foam)}
.legal-hook .grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;max-width:900px;margin-top:1rem}
@media(max-width:768px){
  .hook-head{flex-direction:column;gap:.75rem;text-align:center}
  .line-shop{padding:1.5rem 1rem 2rem 2.5rem}
  .fishing-line{left:1.2rem}
  .hook-card{grid-template-columns:1fr;text-align:center}
  .hook-card img{width:100%;height:180px;margin:0 auto}
  .hook-card button{width:100%}
  .depth-section,.tips-grid{grid-template-columns:1fr}
  .legal-hook .grid{grid-template-columns:1fr}
}