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54%,transparent)}.letter-paper{position:relative;min-height:inherit;display:flex;flex-direction:column;gap:var(--letter-space-xl);padding:var(--letter-space-lg) var(--letter-space-lg) max(var(--letter-space-xl),calc(env(safe-area-inset-bottom) + var(--letter-space-lg)));color:var(--letter-ink);background-color:var(--letter-paper);background-image:url(/patterns/washi-letter.webp);background-size:42rem 42rem;background-repeat:repeat}.letter-paper:before{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(91deg,transparent 0,transparent 11px,color-mix(in oklch,var(--letter-rule) 12%,transparent) 12px,transparent 13px);opacity:.48}.letter-paper>*{position:relative;z-index:1;opacity:0}.play-page[data-phase=open] .letter-paper>*{opacity:1;transition:none}.letter-play:focus-visible{outline:3px solid var(--letter-focus-light);outline-offset:2px;box-shadow:0 0 0 5px var(--letter-focus-dark)}.letter-voice{display:grid;grid-gap:var(--letter-space-xs);gap:var(--letter-space-xs)}.letter-voice-line{position:relative;min-width:0;height:6.5rem}.letter-play{position:absolute;inset:50% auto auto 50%;z-index:2;width:3.5rem;height:3.5rem;border:0;border-radius:50%;background:transparent;transform:translate(-50%,-50%)}.letter-play:before{content:"";position:absolute;inset:0;border-radius:inherit;background-color:transparent;background-image:url(/ui/note-button.webp);background-position:50%;background-repeat:no-repeat;background-size:100% 100%;filter:drop-shadow(0 .28rem .38rem color-mix(in oklch,var(--letter-shadow) 28%,transparent));transform:scaleX(1) scaleY(1);transition:transform .36s var(--ease-out) .11s,opacity .18s var(--ease-out) .22s,filter var(--letter-dur-short) var(--ease-out)}.letter-play:active:before{filter:brightness(.9)}.letter-play:disabled{cursor:wait;opacity:.66}.letter-voice[data-playing=true] .letter-play:before{opacity:0;transform:scaleX(1.45) scaleY(.065);transition:transform .36s var(--ease-in),opacity .18s var(--ease-in) 70ms,filter var(--letter-dur-short) var(--ease-out)}.letter-voice[data-error=true] .letter-play:before{filter:grayscale(.82) opacity(.72)}.letter-wave-field{position:absolute;inset:0}.letter-wave{display:block;width:100%;height:100%;opacity:0;transform:scaleX(0);transform-origin:50% 50%;transition:transform .42s var(--ease-out),opacity .12s var(--ease-out) .28s}.letter-voice[data-playing=true] .letter-wave{opacity:1;transform:scaleX(1);transition:transform .42s var(--ease-in) 50ms,opacity .12s var(--ease-in) 70ms}.letter-voice-time{position:absolute;inset:auto auto 0 50%;color:var(--letter-ink-muted);font-family:Hiragino Sans,Yu Gothic,sans-serif;font-size:.75rem;line-height:1;letter-spacing:.02em;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap;transform:translateX(-50%)}.letter-player-error{color:var(--letter-wax-deep);font-size:.875rem;line-height:1.6;letter-spacing:.04em}.letter-message{width:min(100%,34em);margin-inline:auto;white-space:pre-wrap;overflow-wrap:anywhere;color:var(--letter-ink);font-size:clamp(1.05rem,4.3vw,1.3rem);line-height:2.05;letter-spacing:.045em;font-feature-settings:"onum";font-variant-numeric:oldstyle-nums}.letter-message[data-length=short]{font-size:clamp(1.25rem,5.4vw,1.65rem);line-height:1.85}.letter-message[data-length=long]{font-size:1rem;line-height:2}.letter-empty{width:min(100%,34em);margin-block:auto;margin-inline:auto;display:grid;grid-gap:var(--letter-space-md);gap:var(--letter-space-md)}.letter-empty h2{font-size:clamp(1.35rem,5vw,1.8rem);font-weight:700;line-height:1.45;letter-spacing:.04em;overflow-wrap:anywhere}.letter-empty p{font-size:1rem;line-height:1.8;letter-spacing:.035em;color:var(--letter-ink-muted)}.letter-signature{-webkit-margin-before:auto;margin-block-start:auto;-webkit-padding-before:var(--letter-space-2xl);padding-block-start:var(--letter-space-2xl);color:var(--letter-ink-muted);font-family:var(--font-en);font-size:.875rem;line-height:1;letter-spacing:.18em}@media (hover:hover) and (pointer:fine){.letter-play:hover:before{filter:brightness(1.08) drop-shadow(0 .3rem .42rem color-mix(in oklch,var(--letter-shadow) 32%,transparent))}}@media (min-width:40rem){.play-page{padding:max(var(--letter-space-xl),env(safe-area-inset-top)) max(var(--letter-space-xl),env(safe-area-inset-right)) max(var(--letter-space-xl),env(safe-area-inset-bottom)) max(var(--letter-space-xl),env(safe-area-inset-left))}.letter-frame{width:min(82%,46rem);min-height:min(88svh,54rem);height:auto}.letter-paper{gap:var(--letter-space-2xl);padding:var(--letter-space-xl) var(--letter-space-2xl) max(var(--letter-space-2xl),calc(env(safe-area-inset-bottom) + var(--letter-space-xl)))}}@media (prefers-reduced-motion:reduce){.envelope-skip,.envelope-video-scene{display:none}.letter-frame{opacity:1;pointer-events:auto;transform:none}.letter-play:before,.letter-wave{transition:none}}.admin-page{max-width:880px;margin:0 auto;padding:60px 24px 120px;display:grid;grid-gap:34px;gap:34px}.admin-page h1{font-size:20px;font-weight:500;letter-spacing:.4em;color:var(--shironeri)}.admin-form{display:flex;gap:12px;flex-wrap:wrap}.admin-form input{flex:1 1;min-width:200px;background:rgba(28,24,19,.6);border:1px solid var(--line-strong);padding:12px 16px;font-family:var(--font-gothic);font-size:13px;letter-spacing:.06em;color:var(--shironeri)}.admin-form input:focus{outline:none;border-color:var(--akari-line)}.admin-card{border:1px solid var(--line);background:rgba(28,24,19,.4);padding:26px;display:grid;grid-gap:20px;gap:20px}.admin-card img{max-width:260px;border:1px solid var(--line-strong)}.admin-grid{display:grid;grid-template-columns:auto 1fr;grid-gap:8px 22px;gap:8px 22px;font-family:var(--font-gothic);font-size:12.5px;letter-spacing:.04em}.admin-grid dt{color:var(--keshizumi)}.admin-grid dd{color:var(--kinari);overflow-wrap:anywhere}.admin-actions{display:flex;gap:10px;flex-wrap:wrap}.status-chip{display:inline-block;padding:3px 12px;font-size:11px;letter-spacing:.2em;border:1px solid}.status-chip[data-s=pending]{color:var(--keshizumi);border-color:var(--nibi)}.status-chip[data-s=confirmed]{color:var(--akari-strong);border-color:rgba(232,164,92,.5)}.status-chip[data-s=shipped]{color:#9fbf8f;border-color:rgba(159,191,143,.5)}.notice-box{border:1px solid var(--line-strong);background:rgba(28,24,19,.5);padding:26px 30px;display:grid;grid-gap:12px;gap:12px;max-width:560px;margin:0 auto}.notice-box h3{font-size:14px;letter-spacing:.3em;color:var(--akari-strong);font-weight:500}.notice-box li,.notice-box p{font-family:var(--font-gothic);font-size:12px;line-height:2.1;letter-spacing:.04em;color:var(--kinari)}.notice-box code{font-size:11px;color:var(--akari);background:rgba(232,164,92,.08);padding:1px 6px}@media (max-width:960px){.sekki{display:none}.hero2{padding:8px 10px 10px;min-height:540px}.hero2-ku{top:clamp(22px,4.5svh,36px);font-size:clamp(17px,2.5svh,20px)}.hero2-brand{bottom:clamp(22px,5svh,42px);gap:20px}.hero2-logo{width:min(340px,72vw,100%)}.story-grid{grid-template-columns:1fr}.story-title{writing-mode:horizontal-tb;font-size:20px;letter-spacing:.42em}.feature,.feature--rev{grid-template-columns:1fr;gap:26px}.feature--rev .feature-photo{order:1}.feature--rev .feature-text{order:2;justify-self:start;text-align:left}.feature--rev .feature-text .h-lockup{justify-content:flex-start}.feature-photo img{height:clamp(300px,52vh,460px)}.goods-grid{grid-template-columns:minmax(0,390px);max-width:390px}.good:nth-child(2),.good:nth-child(3){margin-top:0}.close-band{margin:10px;min-height:62svh}.view-main{grid-template-columns:1fr}.view-side{border-left:none;border-top:1px solid var(--line)}}@media (max-width:700px){.studio-side{display:contents}.step-rail{position:absolute;left:50%;top:60px;transform:translateX(-50%);align-self:auto;display:flex;gap:12px;padding:0;z-index:25}.step-num{width:36px;height:36px;font-size:16px}.step-label{font-size:9px}.step-card{position:absolute;left:0;right:0;bottom:0;z-index:26;width:100%;height:auto;max-height:86svh;border-radius:16px 16px 0 0;border-top:1px solid var(--line);border-left:none;box-shadow:0 -24px 60px rgba(0,0,0,.45)}.step-head{padding:14px 20px 10px}.step-body{padding:16px 20px}.step-foot{padding:10px 20px 16px}}@media (max-width:560px){:root{--lp-header-height:64px}.lp-header{padding:9px 16px}.lp-header nav{gap:16px}.lp-header nav .nav-sub{display:none}.lp-header .btn--small{padding:8px 16px;font-size:11px}.hero2-brand{max-width:calc(100% - 76px)}.hero2-kana{font-size:11px;letter-spacing:.52em}.fuda{padding:34px 24px 30px}.koe-actions{grid-template-columns:1fr}.atelier-bar .bar-note{display:none}.atelier-bar h1{white-space:nowrap}}.admin-grid,.erabi button .eprice,.good .good-price,.hakko .pfid,.view-price{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.section-sub{font-size:12px;letter-spacing:.2em;color:var(--keshizumi)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}html{scroll-behavior:auto}}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--sumi)}::-webkit-scrollbar-thumb{background:#3a3228;border:2px solid var(--sumi);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:#4d4232}