:root{
  --ink:#3f4a3d; --muted:#768071; --paper:#fbfaf4; --cream:#f4f0df;
  --leaf:#6f8b62; --leaf-dark:#4f6847; --moss:#dfe8d6; --pink:#e9b7bd;
  --gold:#d9b66f; --line:#d9ddcf; --white:#fffdf8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#f4f3ec;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.site-header{position:sticky;top:0;z-index:20;background:rgba(251,250,244,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{max-width:1120px;margin:auto;min-height:70px;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-weight:700;letter-spacing:.08em;white-space:nowrap}.brand small{display:block;font-weight:400;font-size:.65rem;color:var(--muted);letter-spacing:.12em}
/* サイトロゴ画像 */
.brand{display:block;white-space:normal;flex-shrink:0}
.brand-logo{display:block;width:min(300px,72vw);height:auto}

.menu{display:flex;gap:5px;flex-wrap:wrap;justify-content:flex-end}.menu a{padding:7px 12px;border-radius:999px;font-size:.9rem}.menu a:hover,.menu a.active{background:var(--moss)}
.container{max-width:1120px;margin:auto;padding:56px 20px}
.hero{min-height:660px;display:grid;grid-template-columns:1.1fr .9fr;overflow:hidden;background:var(--white);border-bottom:1px solid var(--line)}
.hero-copy{padding:76px 7vw 60px 8vw;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(135deg,#f8f7ed,#edf2e8)}
.mobile-hero-rotation{display:none}
.kicker{font-size:.78rem;letter-spacing:.18em;color:var(--leaf-dark);font-weight:700}.hero h1{font-size:clamp(2.3rem,5vw,4.5rem);line-height:1.18;margin:12px 0 20px;letter-spacing:.06em}.hero p{max-width:560px;color:#687164}.hero-art{min-height:660px;background:#dfe8d7;position:relative}.hero-art img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-note{position:absolute;right:22px;bottom:24px;background:rgba(255,253,248,.9);padding:10px 15px;border-radius:14px;font-size:.78rem;box-shadow:0 6px 20px rgba(50,60,40,.08)}
.btn{display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:11px 18px;border-radius:999px;background:var(--leaf-dark);color:white;font-size:.88rem;width:max-content}.btn.light{background:white;color:var(--leaf-dark);border:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:25px}.section-head h2{font-size:1.8rem;margin:0}.section-head p{margin:0;color:var(--muted);font-size:.9rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:var(--white);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 8px 30px rgba(58,67,49,.05)}.card img{aspect-ratio:4/3;object-fit:cover}.card-body{padding:18px}.date{font-size:.76rem;color:var(--leaf-dark);letter-spacing:.08em}.card h3{margin:5px 0 8px;font-size:1.12rem}.card p{margin:0;color:#6d756a;font-size:.9rem}
.update-notice{max-width:1120px;margin:22px auto 0;padding:14px 18px;background:#eef3e8;border:1px solid var(--line);border-radius:14px;color:var(--leaf-dark);font-size:.9rem}
.note{background:#f1eadc;border-left:4px solid var(--gold);padding:18px 20px;border-radius:12px;margin-top:25px}
.page-hero{background:linear-gradient(135deg,#edf2e8,#fbfaf4);padding:70px 20px 45px;border-bottom:1px solid var(--line)}.page-hero .inner{max-width:1120px;margin:auto}.page-hero h1{font-size:clamp(2rem,5vw,3.3rem);margin:8px 0}.page-hero p{max-width:700px;color:var(--muted)}
.timeline{display:grid;gap:22px}.entry{display:grid;grid-template-columns:145px 1fr;gap:22px;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:20px}.entry-date{font-weight:700;color:var(--leaf-dark);font-size:.9rem}.entry h2{margin:0 0 7px;font-size:1.35rem}.entry .tag{display:inline-block;background:var(--moss);border-radius:999px;padding:2px 10px;font-size:.73rem;margin-bottom:8px}.entry-body{display:grid;grid-template-columns:210px 1fr;gap:20px}.entry-body img{width:100%;height:150px;object-fit:cover;border-radius:14px}
.lab-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.lab-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px}.lab-card h2{margin-top:0}.lab-meta{font-size:.75rem;color:var(--muted)}.question{font-size:1.5rem;font-weight:700;color:var(--leaf-dark)}
.profile{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.profile .visual{background:var(--white);border-radius:22px;overflow:hidden;border:1px solid var(--line)}.profile .facts{background:var(--white);padding:25px;border:1px solid var(--line);border-radius:22px}.facts dl{display:grid;grid-template-columns:100px 1fr;margin:0}.facts dt,.facts dd{padding:9px 0;border-bottom:1px dashed var(--line);margin:0}.facts dt{font-weight:700;color:var(--leaf-dark)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.shot{background:var(--white);border-radius:18px;overflow:hidden;border:1px solid var(--line)}.shot img{aspect-ratio:1/1;object-fit:cover}.shot figcaption{padding:10px 13px;font-size:.85rem}
.footer{margin-top:60px;padding:38px 20px;background:#52624d;color:#f6f5ed}.footer-inner{max-width:1120px;margin:auto;display:flex;justify-content:space-between;gap:20px;align-items:end}.footer small{color:#dbe2d3}
.mystery{padding:55px 25px;text-align:center;background:linear-gradient(135deg,#e7eee0,#f8f2e7);border-radius:28px}.mystery .dots{font-size:2rem;letter-spacing:.5em;color:var(--leaf-dark)}
@media(max-width:800px){
 .nav{align-items:flex-start;flex-direction:column}.menu{justify-content:flex-start}
 .hero{grid-template-columns:1fr}.hero-art{display:none}.hero-copy{padding:48px 20px 55px}.mobile-hero-rotation{display:block;margin:18px 0 28px;position:relative;border-radius:20px;overflow:hidden;background:#dfe8d7;box-shadow:0 12px 30px rgba(50,60,40,.10)}.mobile-hero-rotation img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}.mobile-hero-note{position:absolute;left:12px;right:12px;bottom:12px;padding:10px 13px;border-radius:14px;background:rgba(255,253,248,.92);font-size:.82rem;line-height:1.5;color:#485345;text-align:center;box-shadow:0 5px 16px rgba(50,60,40,.08)}.container{padding:42px 16px}
 .grid,.lab-grid,.profile,.gallery{grid-template-columns:1fr}
 .entry{grid-template-columns:1fr}.entry-body{grid-template-columns:1fr}.entry-body img{height:auto}
 .footer-inner{flex-direction:column;align-items:flex-start}
}

/* キャラクター設定シート：クリックで全画面表示 */
@media (min-width:700px){
}
@media (max-width:699px){
}

/* 3人のキャラクター設定ページ */
.character-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.character-card{background:var(--white);border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 8px 30px rgba(58,67,49,.05)}
.character-card>a:first-child{display:block;background:#eef2e8}
.character-card>a:first-child img{width:100%;height:320px;object-fit:cover;object-position:center}
.character-card .card-body{padding:20px}
.character-card h2{margin:4px 0 8px;font-size:1.3rem}
.character-card p{color:#6d756a;margin:0 0 12px}
.character-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px}
.character-intro{margin-bottom:26px}
.diary-story{max-width:1000px;margin:auto;background:var(--white);border:1px solid var(--line);border-radius:24px;padding:28px}
.story-lead{max-width:760px;margin:0 auto 24px;font-size:1.02rem}
.three-characters,.observation-characters{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:25px 0}
.three-characters figure,.observation-characters figure{margin:0;background:#f3f4eb;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.three-characters img,.observation-characters img{width:100%;aspect-ratio:1.1/1;object-fit:cover}
.three-characters figcaption,.observation-characters figcaption{padding:13px 15px;font-size:.88rem}
.observation-feature{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:28px}
.setting-sheet-link{display:block;position:relative}.setting-sheet-link img{width:100%;height:auto}.setting-sheet-link span{display:block;padding:10px 14px;background:var(--white);color:var(--muted);font-size:.8rem;text-align:center;border-top:1px solid var(--line)}
@media(max-width:800px){.character-grid,.three-characters,.observation-characters{grid-template-columns:1fr}.character-card>a:first-child img{height:auto}.character-nav{flex-direction:column}.diary-story,.observation-feature{padding:20px}}


/* 4桁番号の漫画アーカイブ */

.archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.archive-card{display:block;overflow:hidden;border:1px solid #dce5d9;border-radius:16px;background:#fff;text-decoration:none;color:inherit}
.archive-card img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}
.archive-card .archive-body{padding:14px}
.archive-card .archive-number{font-size:.75rem;letter-spacing:.1em;color:#456b50;font-weight:800}
.archive-card h2{font-size:1.05rem;margin:.25rem 0}
.archive-card p{font-size:.88rem;margin:0;color:#68766c}
.archive-panels{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}
.archive-panels img{display:block;width:100%;height:auto;border-radius:12px}
.archive-pagination{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:28px 0}
.archive-pagination button{border:1px solid #dce5d9;background:#fff;padding:8px 13px;border-radius:8px;cursor:pointer}
.archive-pagination button[aria-current=page]{background:#456b50;color:#fff}
@media(max-width:700px){.archive-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.archive-panels{grid-template-columns:1fr}}