/* amateras-studio.com。地は白。差し色はロゴから採った金と臙脂の 2 色だけ（../brand/tokens.css）。script 無し。
   背景の演出は置かない（オーナー 2026-10-30「背景を消してよい。白の方が洗練されている」）。動きは始めの一幕と、札の現れだけ。 */
:root{
  --paper:#ffffff;--paper2:#f7f6f3;--card:#ffffff;--gold:#d9a74a;--gold-light:#e8c272;--gold-deep:#b8822c;
  --maroon:#4a0a16;--maroon2:#6b1424;--ink:#1d1719;--soft:#66595c;--line:#e7e3dd;
  --shadow:0 1px 2px rgba(29,23,25,.04),0 8px 24px -16px rgba(74,10,22,.18);
  --disp:"Zen Kaku Gothic New",system-ui,sans-serif;--serif:"Cinzel",serif;--sans:"Montserrat","Zen Kaku Gothic New",system-ui,sans-serif;--wrap:64rem;--pad:1rem;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){:root{--paper:#141012;--paper2:#1c1618;--card:#1c1618;--ink:#f1ebe5;--soft:#b9aaa8;--line:#332a2c;--maroon:#f0d6a0;--maroon2:#e8c272;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px -16px rgba(0,0,0,.6)}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--disp);font-size:1rem;line-height:1.85;letter-spacing:.02em;-webkit-font-smoothing:antialiased;word-break:auto-phrase;overflow-x:clip;position:relative}
h1,h2,h3{margin:0;line-height:1.4;font-weight:700;letter-spacing:.01em;font-feature-settings:"palt"}
p,ul,ol,dl{margin:0}
a{color:var(--maroon);text-decoration:underline;text-underline-offset:.2em;text-decoration-thickness:1px;text-decoration-color:color-mix(in srgb,var(--gold) 70%,transparent)}
a:hover{color:var(--maroon2);text-decoration-color:currentColor}
img{max-width:100%;height:auto;display:block}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:3px;border-radius:.25rem}
.nw{white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--paper);padding:.5rem 1rem}
.skip:focus{left:.5rem;top:.5rem;z-index:100}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}

/* 上の帯：薄く、頁に溶ける */
.bar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 84%,transparent);backdrop-filter:blur(.9rem);-webkit-backdrop-filter:blur(.9rem);border-bottom:1px solid var(--line)}
.barin{max-width:var(--wrap);margin:0 auto;padding:.55rem var(--pad);display:flex;align-items:center;gap:.75rem;min-height:3.25rem}
.brand{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--serif);font-weight:600;letter-spacing:.2em;font-size:.9rem;color:var(--maroon);text-decoration:none}
.brand img{border-radius:50%}
.nav{display:flex;gap:.125rem;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
@media (max-width:26rem){.brand span{display:none}}
.nav a{white-space:nowrap;padding:.45rem .6rem;border-radius:999px;font-size:.8125rem;color:var(--soft);text-decoration:none;letter-spacing:.04em}
.card .field,.cal thead th,footer .fh{font-family:var(--sans)}
.nav a:hover,.nav a[aria-current]{color:var(--maroon);background:color-mix(in srgb,var(--gold) 16%,transparent)}
@media (min-width:30rem){.nav{gap:.25rem}.nav a{padding:.45rem .8rem;font-size:.875rem}}

/* 始めの一幕：モチーフそのもの（透過のロゴ）を白地に置き、枠を見せない */
.hero{text-align:center;padding:clamp(2.5rem,9vh,6rem) 0 clamp(2.5rem,8vh,5rem)}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
.hero .logo{display:block;width:min(88vw,46rem);margin:0 auto}
.hero .logo img{width:100%;height:auto}
.hero .wrap>*{animation:up 1.2s cubic-bezier(.2,.7,.15,1) both;animation-delay:calc(var(--i,0) * .16s + .4s)}
.hero .wrap>:nth-child(2){--i:0}.hero .wrap>:nth-child(3){--i:2}.hero .wrap>:nth-child(4){--i:3}.hero .wrap>:nth-child(5){--i:4}
.hero .logo{animation-name:dawnrise;animation-duration:2.4s}
@keyframes up{from{opacity:0;translate:0 14px;filter:blur(6px)}to{opacity:1;translate:0 0;filter:blur(0)}}
@keyframes dawnrise{from{opacity:0;translate:0 28px;filter:blur(10px) brightness(1.15)}to{opacity:1;translate:0 0;filter:blur(0) brightness(1)}}
.tagline{font-size:clamp(1.25rem,3.6vw,1.75rem);font-weight:700;letter-spacing:.04em;margin-top:.5rem;color:var(--ink)}
.hero .lead{max-width:36rem;margin:1rem auto 0;color:var(--soft)}
.acts{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.9rem}
.acts.center{justify-content:center;margin-top:1.75rem}
.btn{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 1.15rem;border-radius:999px;border:1px solid var(--maroon);color:var(--paper);background:var(--maroon);text-decoration:none;font-size:.9rem;letter-spacing:.04em;transition:transform .2s,background .2s}
.btn:hover{background:var(--maroon2);color:var(--paper);transform:translateY(-1px)}
.btn.ghost,.card .btn{background:transparent;color:var(--maroon);border-color:color-mix(in srgb,var(--gold) 80%,transparent)}
.btn.ghost:hover,.card .btn:hover{background:color-mix(in srgb,var(--gold) 16%,transparent);color:var(--maroon)}
.card .btn{min-height:2.4rem;padding:0 .9rem;font-size:.8125rem}
/* ロゴの飾り（細い罫と四芒星）を見出しの区切りに使う */
.star-rule{display:flex;align-items:center;justify-content:center;gap:.75rem;margin:0 auto 1.25rem;color:var(--gold);font-size:.85rem}
.star-rule span{display:block;width:clamp(3rem,10vw,6rem);height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.star-rule span:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.eyebrow{font-family:var(--serif);font-size:clamp(.625rem,1.4vw,.8125rem);letter-spacing:.34em;text-transform:uppercase;color:var(--gold-deep);margin-left:.34em;white-space:nowrap}
.wordmark{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,8.6vw,6.5rem);line-height:1.05;letter-spacing:.3em;margin:.35rem 0 0 .3em;color:var(--maroon);white-space:nowrap}
@media (max-width:30rem){.wordmark{letter-spacing:.2em;margin-left:.2em}}
.triad{display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem .9rem;margin-top:1rem;font-size:clamp(.75rem,1.6vw,.95rem);letter-spacing:.16em;color:var(--soft)}
.triad i{font-style:normal;color:var(--gold)}
.divider{display:flex;align-items:center;justify-content:center;gap:.75rem;margin:1.5rem auto 0;color:var(--gold);font-size:.9rem}
.divider span{display:block;width:clamp(3rem,10vw,6rem);height:1px;background:linear-gradient(90deg,transparent,var(--gold))}
.divider span:last-child{background:linear-gradient(90deg,var(--gold),transparent)}
.tagline{font-size:clamp(1.25rem,3.6vw,1.75rem);font-weight:700;letter-spacing:.04em;margin-top:2rem;color:var(--ink)}
.hero .lead{max-width:36rem;margin:1rem auto 0;color:var(--soft)}
.acts{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.9rem}
.acts.center{justify-content:center;margin-top:1.75rem}
.btn{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 1.15rem;border-radius:999px;border:1px solid var(--maroon);color:var(--paper);background:var(--maroon);text-decoration:none;font-size:.9rem;letter-spacing:.04em;transition:transform .2s,background .2s}
.btn:hover{background:var(--maroon2);color:var(--paper);transform:translateY(-1px)}
.btn.ghost,.card .btn{background:transparent;color:var(--maroon);border-color:color-mix(in srgb,var(--gold) 80%,transparent)}
.btn.ghost:hover,.card .btn:hover{background:color-mix(in srgb,var(--gold) 16%,transparent);color:var(--maroon)}
.card .btn{min-height:2.4rem;padding:0 .9rem;font-size:.8125rem}

section.wrap{padding:clamp(2.5rem,7vh,4.5rem) var(--pad) 0}
section.wrap:last-of-type{padding-bottom:4rem}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(1.125rem,2.6vw,1.375rem);letter-spacing:.22em;color:var(--maroon);margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem}
h2::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
h2::before{content:"✦";font-size:.75em;color:var(--gold)}
.page h1{font-family:var(--serif);font-weight:600;font-size:clamp(1.6rem,5vw,2.4rem);letter-spacing:.18em;margin:1.5rem 0 1rem;color:var(--maroon)}
.page h2{margin-top:2.5rem}
.page p{margin:.75rem 0}
.note{color:var(--soft);font-size:.9375rem}
.mail{font-family:var(--serif);font-size:clamp(1.1rem,3.5vw,1.5rem);letter-spacing:.04em}

/* 視界に入るときにだけ浮き上がる（view-timeline。対応しない環境では最初から見える） */
@supports (animation-timeline:view()){
  .card,.policy li,.cal,.page h2{animation:reveal linear both;animation-timeline:view();animation-range:entry 0% entry 45%}
  h2::after{animation:line linear both;animation-timeline:view();animation-range:entry 0% entry 60%;transform-origin:left}
  @keyframes reveal{from{opacity:0;translate:0 22px}to{opacity:1;translate:0 0}}
  @keyframes line{from{transform:scaleX(0)}to{transform:scaleX(1)}}
}
/* 作品の札：薄い紙の上に、丸いアイコン */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1rem}
.card{position:relative;border:1px solid var(--line);border-radius:1rem;padding:1.25rem 1.25rem 1.1rem;background:var(--card);box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--gold) 55%,var(--line));box-shadow:0 1px 2px rgba(29,23,25,.04),0 16px 36px -18px rgba(74,10,22,.28)}
.appicon{width:3.5rem;height:3.5rem;border-radius:50%;margin-bottom:.75rem;box-shadow:0 2px 10px -4px color-mix(in srgb,var(--maroon) 35%,transparent)}
.card h3{font-family:var(--serif);font-weight:600;font-size:1.1rem;letter-spacing:.14em}
.card h3 a{text-decoration:none}
.card .field{font-size:.8125rem;color:var(--soft);margin:.15rem 0 .65rem;letter-spacing:.02em}
.card p{margin:.25rem 0}
.facts{display:grid;grid-template-columns:auto 1fr;gap:.2rem 1rem;margin:.6rem 0 0;font-size:.875rem}
.facts dt{color:var(--soft)}
.facts dd{margin:0}
.policy{list-style:none;padding:0;display:grid;gap:.75rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}
.policy li{padding:1rem 1.1rem;border-left:2px solid var(--gold);background:var(--paper2);border-radius:0 .75rem .75rem 0}
.policy b{display:block;color:var(--maroon);margin-bottom:.2rem}
.page .policy{grid-template-columns:1fr}

/* 表 */
.cal{width:100%;border-collapse:collapse;font-size:.9375rem;margin:.75rem 0 1.5rem}
.cal th,.cal td{text-align:left;vertical-align:top;padding:.6rem .5rem;border-bottom:1px solid var(--line)}
.cal thead th{font-size:.72rem;color:var(--soft);letter-spacing:.12em;font-weight:500}
.cal tbody th{font-weight:500;white-space:nowrap;color:var(--maroon)}
/* 狭い幅：3 列の表は右の列が切れる（375px で 441px）ので、行ごとに縦に並べる（時期を見出しに、内容と作品を続けて）。オーナー 10/30「不自然な位置での改行」 */
@media (max-width:40rem){
  .cal,.cal tbody,.cal tr,.cal th,.cal td{display:block}
  .cal thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%)}
  .cal tr{padding:.6rem 0;border-bottom:1px solid var(--line)}
  .cal th,.cal td{padding:.1rem 0;border:0}
  .cal tbody th{white-space:normal;font-size:.8125rem;letter-spacing:.06em}
  .cal td+td{color:var(--soft);font-size:.9375rem}
  .jt td+td::before{content:"作品：";color:var(--soft)}
  .cal td.none{display:none}
}
.news dt{font-family:var(--serif);color:var(--gold-deep);font-size:.875rem;letter-spacing:.08em;margin-top:.75rem}
.news dd{margin:0}

/* 足元：他の 4 サイトと同じ組み。紙を一段濃く */
footer{margin-top:4rem;border-top:1px solid var(--line);background:var(--paper2)}
.fin{max-width:var(--wrap);margin:0 auto;padding:2.25rem var(--pad) 2.75rem}
footer p{color:var(--soft);font-size:.8125rem;line-height:1.7}
footer .fbrand{display:inline-flex;flex-direction:column;align-items:flex-start;gap:.3rem;color:var(--maroon);text-decoration:none}
footer .fbrand .fwm{font-family:var(--serif);font-weight:600;font-size:1.25rem;line-height:1;letter-spacing:.24em}
footer .fbrand small{font-family:var(--serif);font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-deep)}
footer .fdis{margin-top:1rem}
footer .flegal{display:flex;flex-wrap:wrap;gap:0 1.25rem;margin-top:.5rem}
footer .flegal a{display:inline-flex;align-items:center;min-height:2.25rem;font-size:.8125rem;color:var(--soft)}
footer .fnav{display:grid;grid-template-columns:repeat(auto-fit,minmax(9rem,1fr));gap:1rem;margin:1.5rem 0 0;padding-top:1.25rem;border-top:1px solid var(--line)}
footer .fh{margin:0 0 .25rem;font-size:.72rem;font-weight:600;letter-spacing:.14em;color:var(--gold-deep)}
footer .fnav ul{list-style:none;margin:0;padding:0}
footer .fnav a{display:block;padding:.6rem 0;font-size:.875rem;line-height:1.4;color:var(--ink);text-decoration:none}
footer .fnav a small{display:block;margin-top:.1rem;font-size:.6875rem;color:var(--soft)}
footer .fnav a:hover{color:var(--maroon2)}
footer .sig{margin-top:1rem;font-family:var(--serif);font-size:.72rem;letter-spacing:.1em;color:var(--soft)}
@media (min-width:46rem){footer .fnav{grid-template-columns:repeat(3,1fr)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.card:hover,.btn:hover{transform:none}}