/* Claude Code 始めました — Warm Terminal Editorial. Hand-authored, no framework. */
:root{
  --paper:#f6ede3; --paper-2:#fdf8f2; --ink:#2a201a; --ink-soft:#6f5b4a;
  --coral:#d97757; --coral-deep:#b04e2c; --line:#e7d6c5;
  --espresso:#211912; --espresso-2:#2c2118; --cream-on-dark:#f0e2d3;
  --c0:#d97757; --c1:#c0573b; --c2:#c2913f; --c3:#9c6b4a; --c4:#bb6a39;
  --serif:'Noto Serif JP',Georgia,serif;
  --sans:'Zen Kaku Gothic New',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --w:74rem;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);line-height:1.85;
  background:radial-gradient(120% 70% at 88% -8%,rgba(217,119,87,.16),transparent 52%),radial-gradient(80% 50% at -5% 2%,rgba(233,216,198,.45),transparent 50%),var(--paper);
  background-attachment:fixed;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.5;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.05'/%3E%3C/svg%3E")}
.wrap{max-width:var(--w);margin:0 auto;padding:0 1.6rem;position:relative;z-index:2}
img{max-width:100%;display:block}
a{color:inherit}

/* top bar */
.bar{position:sticky;top:0;z-index:30;backdrop-filter:blur(12px);background:rgba(246,237,227,.78);border-bottom:1px solid var(--line)}
.bar .wrap{display:flex;align-items:center;height:62px;gap:1rem}
.brand{font-family:var(--mono);font-weight:700;font-size:.92rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:.55rem}
.brand .dot{width:9px;height:9px;border-radius:2px;background:var(--coral);box-shadow:0 0 0 3px rgba(217,119,87,.2)}
.bar nav{margin-left:auto;display:flex;gap:1.3rem;font-family:var(--mono);font-size:.8rem}
.bar nav a{color:var(--ink-soft);text-decoration:none;transition:color .2s}
.bar nav a:hover{color:var(--coral-deep)}

/* hero */
.hero{padding:5rem 0 3rem}
.hero .kicker{font-family:var(--mono);font-size:.8rem;color:var(--coral-deep);letter-spacing:.05em;margin-bottom:1.1rem;display:flex;align-items:center;gap:.5rem}
.hero .kicker .blink{display:inline-block;width:9px;height:1.05em;background:var(--coral);animation:blink 1.1s steps(2) infinite;transform:translateY(2px)}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}
.hero h1{font-family:var(--serif);font-weight:700;font-size:clamp(2.4rem,5.6vw,4.2rem);line-height:1.12;letter-spacing:-.01em;margin-bottom:1.2rem}
.hero h1 em{font-style:normal;color:var(--coral-deep);position:relative}
.hero h1 em::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.13em;background:linear-gradient(90deg,var(--coral),transparent)}
.hero p.lead{font-family:var(--sans);font-size:1.1rem;max-width:40rem;color:var(--ink-soft)}
.pills{margin-top:2rem;display:flex;gap:.6rem;flex-wrap:wrap}
.pill{font-family:var(--mono);font-size:.76rem;text-decoration:none;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);padding:.4rem .85rem;border-radius:999px;display:inline-flex;align-items:center;gap:.5rem;transition:all .2s}
.pill .b{background:rgba(0,0,0,.06);border-radius:999px;padding:0 .45rem;font-size:.7rem;color:var(--ink-soft)}
.pill::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent,var(--coral))}
.pill:hover{border-color:var(--accent,var(--coral));color:var(--coral-deep);transform:translateY(-2px)}

/* featured dark band */
.featured-band{margin-top:3rem;background:radial-gradient(80% 120% at 80% 0%,rgba(217,119,87,.18),transparent 60%),var(--espresso);position:relative;z-index:2;border-top:1px solid #3a2c20;border-bottom:1px solid #3a2c20}
.featured-band::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;mix-blend-mode:overlay;background-image:repeating-linear-gradient(0deg,transparent,transparent 27px,rgba(240,226,211,.04) 27px,rgba(240,226,211,.04) 28px)}
.featured{display:grid;grid-template-columns:1.05fr .95fr;gap:2.4rem;align-items:center;padding:2.6rem 0}
.featured .label{font-family:var(--mono);font-size:.74rem;color:var(--coral);letter-spacing:.08em;margin-bottom:1rem}
.featured .thumb{border-radius:12px;overflow:hidden;aspect-ratio:25/10;box-shadow:0 26px 60px -28px rgba(0,0,0,.7);border:1px solid #3a2c20}
.featured .thumb img{width:100%;height:100%;object-fit:cover}
.featured h3{font-family:var(--serif);font-weight:700;font-size:1.9rem;line-height:1.32;color:var(--cream-on-dark);margin-bottom:1rem}
.featured p{font-family:var(--sans);color:#bda88f;font-size:.96rem;margin-bottom:1.3rem;line-height:1.8}
.featured .read{font-family:var(--mono);font-size:.82rem;color:var(--coral);text-decoration:none;display:inline-flex;gap:.5rem;transition:gap .2s}
.featured .read:hover{gap:.9rem}
.featured .fmeta{font-family:var(--mono);font-size:.74rem;color:#8a7560;margin-top:1.1rem}

/* section head */
.sec-head{display:flex;align-items:baseline;gap:1rem;margin:3.2rem 0 1.6rem}
.sec-head .n{font-family:var(--mono);font-size:.8rem;color:var(--coral)}
.sec-head .n::before{content:"";display:inline-block;width:7px;height:7px;border-radius:1px;background:var(--coral);margin-right:.5rem;vertical-align:middle}
.sec-head h2{font-family:var(--serif);font-weight:600;font-size:1.45rem}
.sec-head .all{margin-left:auto;font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);text-decoration:none}
.sec-head .all:hover{color:var(--coral-deep)}

/* card grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.card{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;position:relative;border-top:3px solid var(--accent,var(--coral));transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-6px);box-shadow:0 26px 46px -28px rgba(80,40,20,.5),0 0 0 1px var(--accent,var(--coral))}
.chrome{display:flex;align-items:center;gap:.5rem;padding:.5rem .8rem;background:rgba(0,0,0,.025);border-bottom:1px solid var(--line)}
.chrome .lights{display:flex;gap:.32rem}
.chrome .lights i{width:8px;height:8px;border-radius:50%;display:block}
.chrome .lights i:nth-child(1){background:#ff5f56}.chrome .lights i:nth-child(2){background:#febc2e}.chrome .lights i:nth-child(3){background:#28c840}
.chrome .fname{font-family:var(--mono);font-size:.7rem;color:var(--ink-soft);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .thumb{aspect-ratio:25/10;overflow:hidden;position:relative;background:#efe2d4}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.card:hover .thumb img{transform:scale(1.06)}
.thumb.noimg{display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 140% at 80% 0%,rgba(217,119,87,.5),transparent 60%),var(--espresso)}
.thumb.noimg span{font-family:var(--mono);font-size:.78rem;color:rgba(240,226,211,.78);padding:0 1rem;text-align:center;word-break:break-all}
.thumb.noimg::before{content:"$ ";font-family:var(--mono);color:var(--coral)}
.a0{--accent:var(--c0)}.a1{--accent:var(--c1)}.a2{--accent:var(--c2)}.a3{--accent:var(--c3)}.a4{--accent:var(--c4)}
.c-body{padding:1rem 1.1rem 1.2rem;display:flex;flex-direction:column;flex:1}
.c-body .cat{font-family:var(--mono);font-size:.7rem;color:var(--accent,var(--coral));margin-bottom:.5rem}
.c-body .cat::before{content:"";display:inline-block;width:6px;height:6px;border-radius:1px;background:var(--accent,var(--coral));margin-right:.45rem;vertical-align:middle}
.c-body h4{font-family:var(--serif);font-weight:600;font-size:1.12rem;line-height:1.5;margin-bottom:1rem}
.c-body time{margin-top:auto;font-family:var(--mono);font-size:.72rem;color:var(--ink-soft)}

/* pagination */
.pager{display:flex;gap:1rem;margin:3rem 0 1rem;font-family:var(--mono);font-size:.82rem}
.pager a{text-decoration:none;color:var(--coral-deep);border:1px solid var(--line);border-radius:999px;padding:.45rem 1rem;background:var(--paper-2)}
.pager a:hover{border-color:var(--coral)}
.pager .next{margin-left:auto}

/* ===== article ===== */
.post{max-width:44rem;margin:0 auto}
.post .hd{padding:3rem 0 1.4rem}
.post .kick{font-family:var(--mono);font-size:.76rem;color:var(--coral-deep);letter-spacing:.05em;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem}
.post .kick::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--coral)}
.post h1{font-family:var(--serif);font-weight:700;font-size:clamp(1.85rem,4.2vw,2.8rem);line-height:1.36;letter-spacing:-.005em;margin-bottom:1.1rem}
.post .meta{font-family:var(--mono);font-size:.78rem;color:var(--ink-soft);display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.post .meta .sep{opacity:.4}
.post .cover{margin:1.6rem 0 2.4rem;border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:0 26px 60px -34px rgba(80,40,20,.55)}

.prose{font-size:1.06rem;line-height:1.95}
.prose p{margin:0 0 1.5rem}
.prose>p:first-of-type::first-letter{font-family:var(--serif);font-weight:700;font-size:3.1em;float:left;line-height:.8;padding:.05em .14em 0 0;color:var(--coral-deep)}
.prose h2{font-family:var(--serif);font-weight:600;font-size:1.5rem;line-height:1.55;margin:2.8rem 0 1.1rem;padding-left:.95rem;border-left:4px solid var(--coral)}
.prose h3{font-family:var(--serif);font-weight:600;font-size:1.18rem;margin:2rem 0 .8rem;color:#3d2c20}
.prose strong{font-weight:700;color:#1f1611;background:linear-gradient(transparent 62%,rgba(217,119,87,.22) 0)}
.prose a{color:var(--coral-deep);text-decoration:none;border-bottom:1.5px solid rgba(217,119,87,.4);transition:border-color .2s}
.prose a:hover{border-color:var(--coral-deep)}
.prose code{font-family:var(--mono);font-size:.86em;background:#fbe6d8;color:var(--coral-deep);padding:.12em .4em;border-radius:5px}
.prose pre{background:var(--espresso);color:#e8d8c6;margin:1.8rem 0;padding:1.1rem 1.2rem;overflow-x:auto;font-family:var(--mono);font-size:.85rem;line-height:1.7;border-radius:12px;border:1px solid #3a2c20;box-shadow:0 20px 44px -28px rgba(0,0,0,.5)}
.prose pre code{background:none;color:inherit;padding:0;font-size:1em}
.prose blockquote{border-left:3px solid var(--coral);background:linear-gradient(90deg,rgba(217,119,87,.08),transparent);margin:1.8rem 0;padding:.8rem 1.2rem;border-radius:0 8px 8px 0;color:#5a4636}
.prose blockquote p:last-child{margin:0}
.prose hr{border:none;height:1px;background:var(--line);margin:2.6rem 0}
.prose ul,.prose ol{margin:0 0 1.5rem;padding-left:1.4rem}
.prose li{margin:.4rem 0}.prose li::marker{color:var(--coral)}
.prose img{border-radius:12px;margin:0;border:1px solid var(--line);box-shadow:0 20px 44px -30px rgba(80,40,20,.5)}
.prose figure.fig-img{margin:2rem 0;display:flex;flex-direction:column;align-items:center}
.prose figure.fig-img img{width:100%}
.prose figure.fig-img figcaption{margin-top:.7rem;font-family:var(--mono);font-size:.8rem;line-height:1.6;color:var(--ink-soft);text-align:center;max-width:92%}
/* OGP風リンクカード（linkcard ショートコード） */
.prose a.linkcard{display:flex;align-items:stretch;margin:1.8rem 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--paper-2);text-decoration:none;box-shadow:0 16px 40px -30px rgba(80,40,20,.5);transition:transform .2s,box-shadow .2s}
.prose a.linkcard:hover{transform:translateY(-2px);box-shadow:0 22px 48px -28px rgba(80,40,20,.55)}
.linkcard-thumb{flex:0 0 38%;max-width:210px;background:var(--espresso);overflow:hidden;display:flex}
.linkcard-thumb img{width:100%;height:100%;object-fit:cover;border:none;border-radius:0;box-shadow:none;margin:0}
.linkcard-body{flex:1;display:flex;flex-direction:column;justify-content:center;gap:.35rem;padding:.95rem 1.1rem;min-width:0}
.linkcard-title{font-family:var(--serif);font-weight:600;font-size:1rem;line-height:1.45;color:var(--ink)}
.linkcard-desc{font-size:.84rem;line-height:1.55;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.linkcard-site{font-family:var(--mono);font-size:.72rem;color:var(--coral-deep);margin-top:.1rem}
@media(max-width:560px){.prose a.linkcard{flex-direction:column}.linkcard-thumb{flex:none;max-width:none;aspect-ratio:16/9}}
.prose table{width:100%;border-collapse:collapse;margin:1.8rem 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:.5rem .7rem;text-align:left}
.prose th{background:rgba(217,119,87,.1);font-family:var(--mono);font-size:.85rem}

.tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:3rem 0 1rem}
.tag{font-family:var(--mono);font-size:.74rem;text-decoration:none;color:var(--coral-deep);background:rgba(217,119,87,.1);border:1px solid rgba(217,119,87,.25);padding:.3rem .7rem;border-radius:999px}
.tag:hover{background:rgba(217,119,87,.18)}

.pnav{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2.5rem 0 1rem}
.pnav a{display:block;text-decoration:none;color:inherit;background:var(--paper-2);border:1px solid var(--line);border-radius:12px;padding:1rem 1.1rem;transition:transform .2s,box-shadow .2s,border-color .2s}
.pnav a:hover{transform:translateY(-3px);box-shadow:0 18px 36px -24px rgba(80,40,20,.5);border-color:rgba(217,119,87,.4)}
.pnav .l{font-family:var(--mono);font-size:.7rem;color:var(--coral);margin-bottom:.4rem}
.pnav .t{font-family:var(--serif);font-weight:600;font-size:.95rem;line-height:1.45}
.pnav a.next{text-align:right}

/* footer */
footer.site{margin-top:4.5rem;background:var(--espresso);color:#bda88f;border-top:1px solid #3a2c20}
footer.site .wrap{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;font-family:var(--mono);font-size:.76rem;padding:2.4rem 1.6rem 3rem}
footer.site .prompt{color:var(--coral)}
footer.site a{color:#bda88f;text-decoration:none}footer.site a:hover{color:var(--coral)}

.rv{opacity:0;transform:translateY(18px);animation:rise .7s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.d1{animation-delay:.05s}.d2{animation-delay:.12s}.d3{animation-delay:.19s}.d4{animation-delay:.26s}.d5{animation-delay:.33s}.d6{animation-delay:.4s}.d7{animation-delay:.47s}.d8{animation-delay:.54s}
@media(prefers-reduced-motion:reduce){.rv{animation:none;opacity:1;transform:none}.hero .kicker .blink{animation:none}}
::selection{background:rgba(217,119,87,.28)}

/* ===== responsive ===== */
@media(max-width:880px){
  .featured{grid-template-columns:1fr;gap:1.3rem;padding:2rem 0}
  .featured h3{font-size:1.5rem}
  .grid{grid-template-columns:1fr 1fr;gap:1.1rem}
}
@media(max-width:600px){
  .wrap{padding:0 2rem}
  .hero{padding:3rem .4rem 2.2rem}
  .hero h1{font-size:2.15rem;line-height:1.18}
  .hero .kicker{font-size:.72rem}
  .hero p.lead{font-size:.95rem;line-height:2;letter-spacing:.01em}
  .hero .pills{margin-top:1.6rem}
  .pills{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:.4rem}
  .pill{flex:0 0 auto}
  .bar nav a:not(:last-child){display:none}
  .grid{grid-template-columns:1fr;gap:.9rem}
  .card{flex-direction:row;border-top:none;border-left:3px solid var(--accent,var(--coral));align-items:stretch;min-height:88px}
  .card .chrome{display:none}
  .card .thumb{flex:0 0 118px;aspect-ratio:auto;height:auto}
  .c-body{padding:.7rem .9rem}
  .c-body .cat{margin-bottom:.3rem}
  .c-body h4{font-size:1rem;line-height:1.45;margin-bottom:.5rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .post .prose{font-size:1.02rem}
  .prose>p:first-of-type::first-letter{font-size:2.6em}
  .pnav{grid-template-columns:1fr}.pnav a.next{text-align:left}
}