:root { --ink:#40383f; --paper:#f7f1f1; --red:#ad6071; --moss:#78806c; --lavender:#827686; --peach:#d69a82; --line:rgba(64,56,63,.17); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:"Noto Serif JP","Yu Mincho",serif; line-height:1.9; }
.paper-noise { position:fixed; inset:0; pointer-events:none; opacity:.16; z-index:20; background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E"); }
.site-header { height:76px; display:flex; align-items:center; justify-content:space-between; padding:0 clamp(22px,5vw,76px); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10; background:rgba(247,241,241,.92); backdrop-filter:blur(10px); }
.brand { display:flex; align-items:center; gap:12px; color:inherit; text-decoration:none; letter-spacing:.14em; }
.seal { display:inline-grid; place-items:center; width:34px; height:34px; border:1px solid var(--red); color:var(--red); font-weight:600; line-height:1; transform:rotate(-2deg); }
nav { display:flex; gap:26px; }
nav a { color:inherit; text-decoration:none; font-size:13px; letter-spacing:.08em; border-bottom:1px solid transparent; }
nav a:hover { color:var(--red); border-color:var(--red); }
.menu-button { display:none; background:none; border:1px solid var(--line); padding:7px 12px; font:inherit; }
.hero { min-height:720px; max-width:1380px; margin:auto; padding:72px clamp(30px,6vw,92px); display:grid; grid-template-columns:1fr minmax(300px,.82fr) .55fr; gap:clamp(24px,4vw,64px); position:relative; overflow:hidden; background:linear-gradient(rgba(250,246,244,.18),rgba(250,246,244,.18)),url("tanka-watercolor-background.png") center/cover no-repeat; }
.hero-copy { align-self:center; }
.eyebrow { font-family:Georgia,serif; font-size:11px; letter-spacing:.26em; color:var(--moss); }
h1 { font-size:clamp(72px,11vw,148px); font-weight:400; letter-spacing:.08em; line-height:1.05; margin:24px 0 34px; }
h1 span { color:var(--red); }
.lead { font-size:16px; letter-spacing:.12em; }
.hero-portrait { margin:0; align-self:center; position:relative; padding:16px; background:rgba(255,255,255,.38); border:1px solid rgba(173,96,113,.25); box-shadow:20px 24px 0 rgba(130,118,134,.09); }
.hero-portrait::before { content:""; position:absolute; inset:-12px 18px 20px -12px; border:1px solid rgba(120,128,108,.32); z-index:-1; }
.hero-portrait img { width:100%; display:block; aspect-ratio:3/4; object-fit:cover; object-position:center 18%; height:auto; }
.hero-portrait figcaption { position:absolute; right:-14px; bottom:26px; writing-mode:vertical-rl; padding:13px 8px; background:var(--red); color:#fff; font-size:12px; letter-spacing:.24em; }
.hero-poem { writing-mode:vertical-rl; justify-self:center; align-self:center; height:390px; padding:34px 26px; border-left:1px solid var(--line); border-right:1px solid var(--line); }
.hero-poem p { margin:0; font-size:21px; line-height:2.25; letter-spacing:.18em; }
.hero-poem > span { font-size:12px; color:var(--moss); margin-right:24px; }
.hero-mark { position:absolute; right:-30px; bottom:-95px; font-size:390px; color:rgba(173,96,113,.045); line-height:1; }
.intro { padding:90px max(7vw,30px); background:#453b44; color:var(--paper); display:grid; grid-template-columns:1fr 1.5fr; gap:8vw; }
.intro .rule { width:42px; height:1px; background:var(--peach); display:block; margin-bottom:22px; }
.intro>div:first-child p { font-size:24px; line-height:1.8; letter-spacing:.12em; margin:0; }
.intro-text { max-width:680px; color:#ded9ce; }
.intro-text p:first-child { font-size:20px; color:white; }
.tools { max-width:1100px; margin:100px auto 50px; padding:0 30px; display:grid; grid-template-columns:auto 1fr auto; gap:24px; align-items:center; }
.tools label { font-size:14px; letter-spacing:.14em; }
.search-wrap { border-bottom:1px solid var(--ink); display:flex; gap:10px; align-items:center; }
.search-wrap input { width:100%; padding:13px 4px; border:0; background:transparent; font:inherit; outline:none; }
#search-status { font-size:13px; color:var(--moss); }
.collections { max-width:1180px; margin:0 auto; padding:0 30px; }
.collection { padding:80px 0 110px; scroll-margin-top:70px; }
.collection+.collection { border-top:1px solid var(--line); }
.collection-heading { display:grid; grid-template-columns:1fr auto; align-items:end; margin-bottom:55px; }
.collection-heading>p { grid-column:1/-1; margin:0; font:11px Georgia,serif; letter-spacing:.25em; color:var(--moss); }
.collection-heading h2 { margin:10px 0 0; font-size:clamp(34px,5vw,58px); font-weight:400; letter-spacing:.12em; }
.collection-heading h2 span { color:var(--red); font-size:1.2em; }
.heading-meta { font-size:12px; color:var(--moss); padding-bottom:10px; }
.poem-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.poem-card { min-height:170px; padding:32px 38px; background:var(--paper); position:relative; display:flex; align-items:center; transition:background .25s, transform .25s; }
.poem-card:hover { background:#f0e6e8; z-index:1; }
.poem-number { position:absolute; top:18px; right:20px; color:var(--red); font:11px Georgia,serif; }
.poem-card p { margin:0; font-size:17px; line-height:2.15; letter-spacing:.06em; }
.poem-card p span { padding-left:1.4em; }
.poem-card[hidden], .collection[hidden] { display:none; }
.afterword { max-width:980px; margin:20px auto 120px; padding:80px; border:1px solid var(--line); display:grid; grid-template-columns:auto 1fr; gap:42px; align-items:start; }
.seal.large { width:72px; height:72px; font-size:30px; }
.afterword h2 { font-size:32px; font-weight:400; margin:12px 0; }
footer { background:#453b44; color:#e4dadd; min-height:150px; padding:45px max(6vw,30px); display:flex; justify-content:space-between; align-items:end; font-size:12px; letter-spacing:.12em; }
.to-top { position:fixed; right:24px; bottom:24px; width:44px; height:44px; border:1px solid var(--line); background:rgba(247,241,241,.9); color:var(--ink); cursor:pointer; opacity:0; pointer-events:none; transition:.2s; }
.to-top.visible { opacity:1; pointer-events:auto; }
.reveal { opacity:0; transform:translateY(18px); transition:opacity .7s ease,transform .7s ease; }
.reveal.in { opacity:1; transform:none; }
@media (max-width:760px) {
  .site-header { height:64px; }
  .menu-button { display:block; }
  nav { display:none; position:absolute; top:64px; right:0; left:0; padding:22px 28px; background:var(--paper); border-bottom:1px solid var(--line); flex-wrap:wrap; }
  nav.open { display:flex; }
  .hero { min-height:650px; padding:48px 28px 70px; grid-template-columns:1fr auto; gap:32px 16px; }
  h1 { font-size:68px; }
  .hero-portrait { grid-column:1/-1; grid-row:2; width:min(88%,430px); justify-self:center; }
  .hero-portrait img { aspect-ratio:3/4; }
  .hero-poem { height:340px; padding:25px 16px; }
  .hero-poem p { font-size:17px; line-height:1.9; }
  .intro { grid-template-columns:1fr; padding-block:64px; }
  .tools { grid-template-columns:1fr auto; margin-top:70px; }
  .tools label { grid-column:1/-1; }
  .poem-grid { grid-template-columns:1fr; }
  .poem-card { min-height:145px; padding:30px 25px; }
  .poem-card p { font-size:15px; }
  .collection-heading { grid-template-columns:1fr; }
  .heading-meta { margin-top:10px; }
  .afterword { margin-inline:24px; padding:44px 28px; grid-template-columns:1fr; }
}
@media print { .site-header,.tools,.to-top,.paper-noise { display:none!important; } .hero { min-height:auto; } .poem-card { break-inside:avoid; } .reveal { opacity:1; transform:none; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } .reveal { opacity:1; transform:none; transition:none; } }