:root{--ink:#3b5f87;--blue:#88aed4;--gold:#c8a765;--cream:#fffdf8}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:'Noto Serif JP',YuMincho,'Hiragino Mincho ProN',serif;background:#f5faff}
a{color:inherit}
button{font:inherit}
.hero{min-height:100svh;background:#e8f3fc url('assets/hero-background.png') center bottom/cover no-repeat;display:grid;place-items:center;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:60px;background:linear-gradient(transparent,#eef7fc);pointer-events:none}
.hero-inner{width:min(1500px,96vw);min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:3vh 2vw 4vh;position:relative;z-index:1}
.hero-heading{text-align:center;text-shadow:0 2px 15px #fff}
.ornament{color:var(--gold);font-size:clamp(.7rem,1vw,1rem);letter-spacing:.35em}
h1{font-weight:500;letter-spacing:.17em;font-size:clamp(2rem,3.7vw,4.3rem);margin:.12em 0}
.hero-heading p{font-size:clamp(.7rem,1vw,.95rem);letter-spacing:.32em;margin:0}
.characters{width:100%;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(12px,2.3vw,38px);align-items:end;margin:auto 0 1.5vh}
.character{min-width:0;display:flex;align-items:center;flex-direction:column;position:relative}
.portrait-link{width:100%;height:clamp(320px,55vh,650px);display:flex;align-items:flex-end;justify-content:center;transition:transform .25s ease,filter .25s ease;filter:drop-shadow(0 15px 18px #7594ad38)}
.portrait-link:hover,.portrait-link:focus-visible{transform:translateY(-8px);filter:drop-shadow(0 20px 20px #7594ad55)}
.portrait{display:block;max-width:100%;width:auto;max-height:100%;object-fit:contain;object-position:center bottom}
.character-name{text-align:center;min-height:3.4rem;padding-top:.25rem;text-shadow:0 1px 8px white}
.character-name small{display:block;font-size:.7rem;letter-spacing:.18em;color:#788fa6}
.character-name strong{font-weight:500;font-size:clamp(.85rem,1.3vw,1.1rem);letter-spacing:.08em}
.portrait-controls{display:flex;gap:1.3rem;align-items:center;justify-content:center;border-top:1px solid #c9b37b;margin-top:.3rem;min-width:120px}
.portrait-controls button{background:none;border:0;color:#537fad;font-size:1.55rem;cursor:pointer;line-height:1.5;padding:0 .25rem}
.portrait-controls button:hover:not(:disabled){color:#254c76;transform:scale(1.12)}
.portrait-controls button:disabled{opacity:.35;cursor:default}
.memory-jump{display:inline-flex;align-items:center;gap:1.2rem;justify-content:center;min-width:min(480px,90vw);padding:.85rem 2.2rem;border:1px solid #c6a66e;border-radius:8px;background:linear-gradient(105deg,#ffffffc9,#a3c8e7d9,#ffffffc9);box-shadow:0 8px 24px #6f9ac041,inset 0 0 0 4px #ffffff86;text-decoration:none;font-size:clamp(.9rem,1.4vw,1.2rem);letter-spacing:.09em;transition:transform .2s,box-shadow .2s}
.memory-jump:hover,.memory-jump:focus-visible{transform:translateY(-3px);box-shadow:0 12px 28px #6f9ac05d,inset 0 0 0 4px #ffffff86}
.memory-jump span{font-size:1.6rem;line-height:1}
.memories{min-height:100svh;background:linear-gradient(180deg,#eef7fc,#ffffff 28%,#f1f8fb 100%);position:relative;padding:clamp(72px,10vw,150px) 5vw 80px}
.memories::before{content:'';position:absolute;inset:0;background:url('assets/sky.png') center top/cover fixed;opacity:.11;pointer-events:none}
.memory-inner{position:relative;max-width:1120px;margin:auto}
.memory-heading{text-align:center;margin-bottom:clamp(70px,9vw,120px)}
.eyebrow{color:#ae965f;letter-spacing:.35em;font-size:.78rem}
h2{font-weight:500;letter-spacing:.17em;font-size:clamp(2rem,3vw,3.3rem);margin:.5rem 0}
.memory-heading>p:last-child{font-size:.93rem;letter-spacing:.12em}
.timeline{position:relative}
.timeline::before{content:'';position:absolute;top:0;bottom:0;left:32%;width:1px;background:linear-gradient(#d0b981,#94b6d5,#d0b981)}
.timeline-row{display:grid;grid-template-columns:32% 1px 1fr;gap:0;align-items:start;min-height:190px;padding-bottom:60px}
.timeline-date{text-align:right;padding:1.45rem 3.2rem 0 0;font-size:clamp(.9rem,1.6vw,1.2rem);letter-spacing:.1em;white-space:nowrap}
.timeline-marker{width:13px;height:13px;border:2px solid var(--gold);border-radius:50%;background:white;transform:translate(-6px,1.7rem);box-shadow:0 0 0 6px #fff9}
.timeline-card{margin-left:clamp(28px,5vw,70px);padding:1.6rem 2rem;background:#fffffff0;border:1px solid #dce9f2;border-radius:4px 28px 4px 28px;box-shadow:0 18px 40px #94b8d426}
.timeline-card small{color:#aa955f;letter-spacing:.15em}
.timeline-card h3{font-size:clamp(1.1rem,1.7vw,1.5rem);font-weight:500;letter-spacing:.08em;margin:.1rem 0 .7rem}
.timeline-card p{font-size:.9rem;line-height:1.8;margin:0;color:#6b8197}
.back-top{display:block;width:max-content;margin:3rem auto 0;text-decoration:none;border-bottom:1px solid var(--gold);padding:.5rem 1rem}
.scenario-summary{list-style:none;cursor:pointer;display:block}
.scenario-summary::-webkit-details-marker{display:none}
.scenario-cover{display:block;width:100%;max-height:440px;object-fit:contain;background:#e9eef1;border-radius:3px 23px 3px 3px;margin:0 0 1rem}
.scenario-cover-placeholder{min-height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;text-align:center;padding:2rem;background:radial-gradient(circle at 78% 22%,#fff9e9 0,#fff9e900 32%),radial-gradient(circle at 15% 80%,#d2e5f4 0,#d2e5f400 45%),linear-gradient(135deg,#e7f2fa,#fffdf8);border:1px solid #d3e5f1;border-radius:3px 23px 3px 3px;margin:0 0 1rem}
.scenario-cover-placeholder span{font:600 .65rem system-ui,sans-serif;letter-spacing:.3em;color:#a69470}
.scenario-cover-placeholder strong{font-size:clamp(1.6rem,3vw,2.8rem);font-weight:500;letter-spacing:.2em;color:#4d77a1}
.scenario-summary h3{margin:0}
.open-hint{display:block;color:#6b8bae;font-size:.77rem;letter-spacing:.12em;margin:.6rem 0 0}
.scenario-details[open] .open-hint{display:none}
.scenario-content{border-top:1px solid #d9e8f1;margin-top:1.2rem;padding-top:1.4rem;animation:appear .28s ease}
@keyframes appear{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.scenario-content p{font-size:.92rem;line-height:2}
.outcome{color:#9a7d46!important;font-size:.8rem!important;letter-spacing:.13em;margin:0 0 1.5rem!important}
.scenario-content h4{font-size:1.18rem;font-weight:500;letter-spacing:.12em;margin:2.3rem 0 .8rem;border-left:3px solid #c5a96f;padding-left:.8rem}
.moment-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.7rem}
.moment{background:#f3f8fc;border:1px solid #e4eef6;border-radius:8px;padding:1.1rem}
.moment h5{font-size:.9rem;font-weight:500;margin:0 0 .5rem;color:#416a97}
.moment p{font-size:.76rem;line-height:1.8;margin:0}
.document-links{display:flex;flex-wrap:wrap;gap:.6rem}
.document-links a{padding:.8rem 1rem;border:1px solid #abc6de;border-radius:7px;text-decoration:none;background:#f4f9fd;font-size:.82rem}
.document-links a:hover{background:#e4f0fa}
.log-reader{margin-top:1.2rem;border:1px solid #abc6de;border-radius:7px;background:#f4f9fd}
.log-reader>summary{cursor:pointer;padding:.85rem 1rem;font-size:.86rem}
.log-tools{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;padding:0 1rem 1rem}
.log-tools select,.log-tools input{min-height:38px;border:1px solid #b7cede;border-radius:5px;background:white;color:var(--ink);padding:.3rem .6rem;font:inherit;font-size:.78rem}
.log-tools input{flex:1;min-width:130px}
.log-count{font-size:.72rem;color:#6986a1}
.log-list{max-height:430px;overflow:auto;background:#fff;padding:.4rem 1rem;border-top:1px solid #d9e8f1}
.log-list p{font-family:system-ui,'Yu Gothic',sans-serif;font-size:.75rem;line-height:1.7;border-bottom:1px solid #edf2f7;padding:.55rem 0;margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.timeline-card.upcoming{opacity:.8}
:focus-visible{outline:3px solid #4b80b0;outline-offset:4px}
@media(max-width:800px){.hero-inner{width:100%;padding:25px 3vw 30px}.characters{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 5vw 1rem}.character{flex:0 0 31vw;scroll-snap-align:center}.portrait-link{height:clamp(250px,43vh,450px)}.character-name{min-height:3rem}.character-name strong{font-size:.85rem}.portrait-controls{min-width:0;width:70%;gap:.3rem}.portrait-controls button{font-size:1.3rem}.hero{background-position:center bottom}.timeline::before{left:34%}.timeline-row{grid-template-columns:34% 1px 1fr}.timeline-date{padding-right:1rem}.timeline-card{margin-left:1.3rem;padding:1.2rem}}
@media(max-width:520px){.hero{min-height:100svh}.hero-inner{min-height:100svh}.hero-heading p{font-size:.65rem}.character{flex-basis:54vw}.portrait-link{height:38vh;min-height:260px}.character-name small{font-size:.6rem}.character-name strong{font-size:.8rem}.portrait-controls{width:100%;gap:0}.portrait-controls button{padding:0 .22rem}.memory-jump{min-width:0;font-size:.76rem;padding:.8rem 1rem}.timeline::before{left:30%}.timeline-row{grid-template-columns:30% 1px 1fr;min-height:150px}.timeline-date{font-size:.75rem;white-space:normal;padding:.8rem .7rem 0 0}.timeline-card{margin-left:1rem;padding:1rem}.timeline-card h3{font-size:1rem}.moment-list{grid-template-columns:1fr}.scenario-cover{max-height:260px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}