:root{--ink:#151515;--paper:#F3F1EB;--pp:#ECE8DE;--or:#FF5A1F;--or2:#E24A10;--dk:#151515;--line:rgba(21,21,21,.14)}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--pp);color:var(--ink);font-family:'Zen Kaku Gothic New',system-ui,-apple-system,'Hiragino Sans',sans-serif;font-weight:500;line-height:1.9;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:24px 24px;background-attachment:fixed;padding-bottom:96px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;letter-spacing:.06em}
.pen{font-family:Yomogi,'Zen Kaku Gothic New',cursive;font-weight:400}
.wrap{width:100%;max-width:880px;margin:0 auto;padding:0 max(20px,5vw)}
.tape{display:inline-block;background:linear-gradient(180deg,rgba(236,226,196,.96),rgba(222,211,178,.96));font-family:Yomogi,'Zen Kaku Gothic New';font-size:.9rem;line-height:1.3;padding:.45em 1.3em;transform:rotate(var(--r,-2deg));clip-path:polygon(0 0,100% 0,98% 22%,100% 46%,98% 72%,100% 100%,0 100%,2% 74%,0 50%,2% 26%);box-shadow:0 2px 6px rgba(0,0,0,.18)}
.tape b{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.64rem;letter-spacing:.14em;display:block;opacity:.7}

/* header */
.dh{position:sticky;top:0;z-index:20;background:var(--ink);color:var(--paper)}
.dh .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;max-width:1200px}
.dh .logo{font-family:Inter,sans-serif;font-weight:900;letter-spacing:.14em;font-size:.82rem}
.dh .logo b{color:var(--or)}
.dh nav{display:flex;gap:18px;font-size:.78rem;font-weight:700}
.dh nav a{opacity:.8}.dh nav a[aria-current]{opacity:1;color:var(--or)}

/* index hero */
.dhero{padding:9vh 0 6vh}
.dhero .k{font-size:.66rem;opacity:.6}
.dhero h1{font-weight:900;font-size:clamp(2.3rem,10.5vw,5.2rem);line-height:1.12;letter-spacing:-.04em;margin:.3em 0 .45em}
.dhero h1 em{font-style:normal;color:var(--or2)}
.dhero p{max-width:32em;font-size:1rem}
.dauth{display:flex;align-items:center;gap:14px;margin-top:28px;border-top:2px solid var(--ink);padding-top:16px}
.dauth .ini{width:52px;height:52px;flex:none;background:var(--ink);color:var(--paper);display:grid;place-items:center;font-weight:900;font-size:1.3rem}
.dauth b{display:block;font-weight:900;font-size:1.05rem;letter-spacing:.08em}
.dauth small{font-size:.74rem;opacity:.7}

/* list */
.dlist{list-style:none;display:grid;gap:22px;padding-bottom:10vh}
.entry{display:block;background:var(--paper);border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink);transition:transform .2s,box-shadow .2s}
.entry:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--ink)}
.entry .ph{aspect-ratio:16/9;overflow:hidden;border-bottom:2px solid var(--ink);position:relative}
.entry .ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(.35) contrast(1.05)}
.entry .ph .tape{position:absolute;left:12px;top:12px}
.entry .bd{padding:20px 20px 18px}
.entry h2{font-weight:900;font-size:clamp(1.35rem,5.8vw,1.9rem);line-height:1.35;letter-spacing:-.02em}
.entry p{font-size:.92rem;margin-top:8px;opacity:.85}
.entry .ft{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:12px;border-top:1px dashed rgba(21,21,21,.35);font-size:.72rem}
.entry .ft .go{font-weight:900;font-size:.9rem;color:var(--or2)}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{font-size:.66rem;border:1px solid var(--ink);padding:1px 8px}
.soon{border:2px dashed rgba(21,21,21,.4);padding:22px;text-align:center;font-size:.86rem;opacity:.7}

/* article */
.crumb{font-size:.7rem;padding:18px 0 0;opacity:.7}
.crumb a{border-bottom:1px solid currentColor}
.art{background:var(--paper);border:2px solid var(--ink);margin:6vh 0 8vh;position:relative;padding:44px 22px 30px;box-shadow:0 24px 50px rgba(0,0,0,.14)}
.art>.tape{position:absolute;top:-16px;left:16px;--r:-3deg}
.art .k{font-size:.64rem;opacity:.55}
.art h1{font-weight:900;font-size:clamp(2rem,9vw,3.4rem);line-height:1.2;letter-spacing:-.03em;margin:.3em 0 .5em}
.art .by{display:flex;gap:10px;align-items:center;font-size:.8rem;margin-bottom:22px}
.art .by b{font-weight:900;letter-spacing:.08em}
.art figure{margin:0 -22px 26px;border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.art figure img{width:100%;aspect-ratio:3/2;object-fit:cover}
.art figcaption{font-size:.7rem;padding:6px 22px;opacity:.65}
.art .lead{font-size:1.02rem;line-height:2.05}
.steps{list-style:none;margin:28px 0 0;border-top:2px solid var(--ink)}
.steps li{display:grid;grid-template-columns:46px 1fr;gap:6px;padding:18px 0;border-bottom:1px dashed rgba(21,21,21,.35)}
.steps i{font-style:normal;color:var(--or2);font-size:1.6rem;line-height:1;transform:rotate(-4deg);padding-top:2px}
.steps h2{font-weight:900;font-size:1.18rem;line-height:1.5;margin-bottom:4px}
.steps p{font-size:.96rem;line-height:2}
.art .end{margin-top:24px;font-weight:700;font-size:1.02rem;line-height:2}
.key{margin-top:22px;padding:18px 0 18px 16px;border-left:6px solid var(--or);font-weight:900;font-size:clamp(1.25rem,5.6vw,2.2rem);line-height:1.4;letter-spacing:-.02em}
.key em{font-style:normal;color:var(--or2);background:linear-gradient(transparent 64%,rgba(255,90,31,.28) 64%)}
.nb{display:inline-block;white-space:nowrap}
.sign{margin-top:28px;padding-top:16px;border-top:2px solid var(--ink);display:grid;gap:2px;justify-items:end;text-align:right}
.sign .mono{font-size:.58rem;opacity:.55}
.sign b{font-weight:900;font-size:1.3rem;letter-spacing:.12em}
.sign small{font-size:.72rem;opacity:.7}

/* cta + pager */
.cta{background:var(--ink);color:var(--paper);padding:30px 22px;margin-bottom:6vh}
.cta h2{font-weight:900;font-size:clamp(1.4rem,6vw,2.2rem);line-height:1.35}
.cta p{font-size:.9rem;opacity:.8;margin:10px 0 18px}
.cta .btns{display:grid;gap:10px}
.btn{display:block;text-align:center;font-weight:900;padding:15px 18px;border:2px solid var(--or)}
.btn.or{background:var(--or);color:var(--ink)}
.btn.gh{color:var(--paper);border-color:rgba(243,241,235,.5)}
.pager{display:flex;justify-content:space-between;gap:12px;margin-bottom:8vh;font-weight:900;font-size:.9rem}
.pager a{border-bottom:2px solid var(--or);padding-bottom:2px}

/* footer + fab */
.df{background:var(--ink);color:rgba(243,241,235,.75);font-size:.72rem;padding:28px 0 36px;line-height:1.9}
.df b{color:var(--paper)}
.fab{position:fixed;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));z-index:30;display:flex;gap:10px}
.fab .go{flex:1;background:var(--or);color:var(--ink);font-weight:900;text-align:center;padding:15px 10px;border:2px solid var(--ink);box-shadow:0 8px 20px rgba(0,0,0,.25);font-size:.95rem}
.fab .tel{width:64px;flex:none;background:var(--paper);border:2px solid var(--ink);display:grid;place-items:center;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.fab .tel svg{width:24px;height:24px}

@media(min-width:900px){
  .dlist{grid-template-columns:1fr 1fr}
  .art{padding:64px 60px 40px}.art figure{margin:0 -60px 32px}.art figcaption{padding:6px 60px}
  .steps li{grid-template-columns:70px 1fr}.steps i{font-size:2rem}
  .cta{padding:44px 48px}.cta .btns{grid-template-columns:1fr 1fr}
  .fab{left:auto;right:24px;bottom:24px;width:520px}
}

/* related gallery strip (article) */
.relg{margin:0 0 6vh}
.relg .hd .mono{font-size:.64rem;opacity:.6}
.relg h2{font-weight:900;font-size:clamp(1.3rem,5.6vw,1.9rem);line-height:1.35;margin:.2em 0 .3em}
.relg p{font-size:.86rem;opacity:.8}
.relg ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:14px}
.relg li a{display:block;position:relative;aspect-ratio:1;overflow:hidden;border:1.5px solid var(--ink);background:#222}
.relg li img{width:100%;height:100%;object-fit:cover}
.relg li span{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;font-size:.62rem;line-height:1.4;padding:16px 6px 5px}
.relg .more,.gal-link{display:inline-block;margin-top:14px;font-weight:900;border-bottom:2px solid var(--or);padding-bottom:2px}
.gal-link{display:block;margin:0 0 10vh;border:2px solid var(--ink);background:var(--ink);color:var(--paper);padding:20px}
.gal-link .mono{display:block;font-size:.62rem;opacity:.6}
.gal-link b{font-size:1.1rem}

/* gallery */
.gf{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.gf button{font:inherit;font-weight:700;font-size:.82rem;background:var(--paper);color:var(--ink);border:1.5px solid var(--ink);padding:6px 14px;cursor:pointer}
.gf button.on{background:var(--ink);color:var(--paper)}
.gf button[data-f^="diary-"]{border-color:var(--or2);color:var(--or2)}
.gf button[data-f^="diary-"].on{background:var(--or);border-color:var(--or);color:var(--ink)}
.gcount{font-size:.66rem;opacity:.6;margin-bottom:10px}
.grid{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:6px;padding-bottom:10vh}
.grid li[hidden]{display:none}
.cell{all:unset;box-sizing:border-box;display:block;position:relative;width:100%;aspect-ratio:3/4;overflow:hidden;cursor:zoom-in;background:#222;border:1.5px solid var(--ink)}
.cell:focus-visible{outline:3px solid var(--or);outline-offset:2px}
.cell img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cell:hover img{transform:scale(1.04)}
.cell .ph{position:absolute;left:6px;bottom:6px;font-size:.6rem;font-weight:700;padding:1px 7px;background:var(--paper);color:var(--ink)}
.cell .ph.w{background:var(--ink);color:var(--paper)}
.cell .dg{position:absolute;right:6px;top:6px;font-style:normal;font-size:.62rem;font-weight:900;background:var(--or);color:var(--ink);padding:2px 8px;transform:rotate(3deg)}
.lb{position:fixed;inset:0;z-index:50;background:rgba(10,10,10,.94);display:flex;align-items:center;justify-content:center;padding:56px 12px 20px}
.lb[hidden]{display:none}
.lb figure{max-width:min(960px,100%);width:100%;display:flex;flex-direction:column;align-items:center}
.lb img{max-width:100%;max-height:70svh;object-fit:contain}
.lb figcaption{color:var(--paper);width:100%;max-width:640px;margin-top:12px;font-size:.92rem}
.lb figcaption .ph{font-family:'JetBrains Mono',monospace;font-size:.62rem;border:1px solid rgba(243,241,235,.5);padding:1px 7px;margin-right:8px}
.lb .rel a{display:block;margin-top:12px;background:var(--or);color:var(--ink);font-weight:900;padding:12px 14px}
.lb button{all:unset;cursor:pointer;color:var(--paper);position:absolute;font-size:2.2rem;line-height:1;padding:8px 14px}
.lb .x{top:6px;right:6px}
.lb .pv{left:0;top:50%;transform:translateY(-50%)}.lb .nx{right:0;top:50%;transform:translateY(-50%)}
.lb button:focus-visible{outline:2px solid var(--or)}
@media(min-width:700px){.grid{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1000px){.grid{grid-template-columns:repeat(4,1fr);gap:10px}.relg ul{grid-template-columns:repeat(6,1fr)}}
.dh nav{gap:14px}
@media(max-width:380px){.dh nav{gap:10px;font-size:.72rem}}

.dhero h1.sm{font-size:clamp(1.8rem,7.9vw,4.4rem)}
.lb{background:#0b0b0b}
body.lbo .fab{display:none}
.wrap.wide{max-width:1240px}
.art .sub{font-weight:900;font-size:clamp(1rem,4.4vw,1.3rem);color:var(--or2);margin:-.2em 0 .9em;line-height:1.5}
.entry .sub{font-weight:900;font-size:.88rem;color:var(--or2);margin-top:6px;opacity:1}

/* article sections */
.art h2.sec{font-weight:900;font-size:clamp(1.35rem,5.8vw,2rem);line-height:1.35;letter-spacing:-.02em;margin:40px 0 14px;padding-top:18px;border-top:2px solid var(--ink)}
.art h2.sec .mono{display:block;font-size:.6rem;font-weight:700;color:var(--or2);letter-spacing:.16em;margin-bottom:4px}
.art .lead b{background:linear-gradient(transparent 62%,rgba(255,90,31,.28) 62%)}
.art p{font-size:.98rem;line-height:2.05;margin-top:.8em}
.art .note{font-size:.84rem;line-height:1.9;border:1.5px dashed rgba(21,21,21,.45);padding:12px 14px;margin-top:16px}
.steps h3{font-weight:900;font-size:1.12rem;line-height:1.5;margin-bottom:4px}
.data{display:grid;gap:10px}
.dbox{background:#fff;border:2px solid var(--ink);padding:14px 16px}
.dbox .num{display:block;font-family:Inter,sans-serif;font-weight:900;font-size:2.2rem;line-height:1;letter-spacing:-.03em;color:var(--or2)}
.dbox .num small{font-size:.5em;margin-left:2px}
.dbox .num i{font-style:normal;font-size:.6em;color:var(--ink);margin:0 .3em;vertical-align:.15em}
.dbox p{font-size:.9rem;line-height:1.85;margin-top:8px}
.dbox .src{display:block;font-size:.66rem;opacity:.6;margin-top:4px}
.art figure.inl{margin:24px -22px 6px}
.faq div{border-bottom:1px dashed rgba(21,21,21,.35);padding:14px 0}
.faq dt{font-weight:900;font-size:1.02rem;line-height:1.6;padding-left:1.9em;position:relative}
.faq dt:before{content:"Q";position:absolute;left:0;top:-.05em;font-family:Inter,sans-serif;font-weight:900;color:var(--or2);font-size:1.15rem}
.faq dd{font-size:.94rem;line-height:1.95;margin-top:6px;padding-left:1.9em;position:relative}
.faq dd:before{content:"A";position:absolute;left:0;top:0;font-family:Inter,sans-serif;font-weight:900;font-size:1.05rem}
.refs{margin-top:30px;font-size:.72rem;line-height:1.8;opacity:.8;border-top:1px solid rgba(21,21,21,.3);padding-top:12px}
.refs .mono{font-size:.6rem;letter-spacing:.16em}
.refs p{font-size:.72rem;line-height:1.8;margin-top:6px}
.refs a{color:var(--or2);border-bottom:1px solid currentColor}
@media(min-width:700px){.data{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.art figure.inl{margin:28px -60px 6px}}
.art .key{font-size:clamp(1.15rem,5.2vw,2.2rem)}
.art .key{font-size:clamp(1rem,4.3vw,2.2rem)}
@media(max-width:380px){.art .key{font-size:clamp(.95rem,4.05vw,2.2rem)}}
.art h1[style]{font-size:min(clamp(2rem,9vw,3.4rem),calc((min(100vw,880px) - 112px) / var(--L)))}
@media(min-width:900px){.art h1[style]{font-size:min(3.4rem,calc(620px / var(--L)))}}