/* =========================================================
   kimura portfolio — 世界観：製図台に広げた設計図
   紙色の地 / 細い方眼 / 明朝の見出し / インクは藍1色
   ========================================================= */

:root{
  --paper:#f3f3f0;
  --paper-2:#ececea;
  --paper-3:#e5e6e2;
  --rule:#d9dad5;
  --rule-soft:#e6e7e3;

  --ink:#141a24;
  --ink-2:#4a5566;   /* 本文副 : 6.8:1 on paper */
  --ink-3:#5c6878;   /* 4.57:1 on paper — 小さい番号ラベルにも使うので AA を満たす値にした */

  --indigo:#1f3c6e;  /* 9.8:1 on paper */
  --indigo-2:#2f5595;
  --indigo-w:#dfe6f2;

  --navy:#0f1720;
  --navy-txt:#eceff4;
  --navy-sub:#97a3b3;

  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:"Shippori Mincho B1",serif;
  --sans:"Zen Kaku Gothic New",system-ui,sans-serif;

  --wrap:1180px;
  --pad:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.95;
  font-feature-settings:"palt" 1;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:600;line-height:1.5}
p{margin:0}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}

.mono{font-family:var(--mono);font-weight:500;letter-spacing:.14em;text-transform:uppercase;font-size:11px}
.dim{color:var(--ink-2)}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}

.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:200}
.skip:focus{left:12px;top:12px}
:focus-visible{outline:2px solid var(--indigo);outline-offset:3px}

/* ---------- 方眼 ---------- */
.grid-paper{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,var(--rule-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--rule-soft) 1px,transparent 1px),
    linear-gradient(to right,var(--rule) 1px,transparent 1px),
    linear-gradient(to bottom,var(--rule) 1px,transparent 1px);
  background-size:22px 22px,22px 22px,110px 110px,110px 110px;
  mask-image:radial-gradient(120% 90% at 50% 30%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(120% 90% at 50% 30%,#000 30%,transparent 100%);
}
.grid-paper.dark{
  background-image:
    linear-gradient(to right,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(to right,rgba(255,255,255,.09) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:24px 24px,24px 24px,120px 120px,120px 120px;
  mask-image:radial-gradient(100% 80% at 50% 40%,#000 20%,transparent 95%);
  -webkit-mask-image:radial-gradient(100% 80% at 50% 40%,#000 20%,transparent 95%);
}

/* ---------- 進捗・十字ガイド ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:120;background:transparent}
.progress i{display:block;height:100%;width:0;background:var(--indigo);transition:width .12s linear}

.crosshair{position:fixed;inset:0;z-index:110;pointer-events:none;opacity:0;transition:opacity .5s var(--ease)}
.crosshair.on{opacity:1}
.crosshair b{position:absolute;background:var(--indigo);opacity:.16;display:block}
.crosshair .cx{left:0;right:0;height:1px;transform:translateY(-100px)}
.crosshair .cy{top:0;bottom:0;width:1px;transform:translateX(-100px)}
.crosshair .cd{width:9px;height:9px;border:1px solid var(--indigo);background:none;opacity:.5;border-radius:50%;margin:-5px 0 0 -5px}
@media (hover:none),(max-width:900px){.crosshair{display:none}}

/* ---------- ヘッダー ---------- */
.head{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;gap:24px;
  padding:14px var(--pad);
  background:rgba(243,243,240,0);
  border-bottom:1px solid transparent;
  transition:background .4s var(--ease),border-color .4s var(--ease),padding .4s var(--ease);
}
.head.stuck{background:rgba(243,243,240,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--rule);padding-block:9px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;letter-spacing:.02em}
.brand-mark{width:26px;height:26px;color:var(--indigo);flex:none}
.brand-mark svg{width:100%;height:100%}
.brand-txt i{color:var(--indigo);font-style:normal}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{
  font-family:var(--mono);font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-2);display:flex;align-items:baseline;gap:6px;padding:4px 0;
  border-bottom:1px solid transparent;transition:color .25s,border-color .25s;
}
.nav a i{font-style:normal;font-size:9px;color:var(--ink-3)}
.nav a:hover,.nav a.is-current{color:var(--indigo);border-bottom-color:var(--indigo)}
.nav a.is-current i{color:var(--indigo)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;padding:8px;cursor:pointer;margin-left:auto}
.burger i{display:block;width:22px;height:1px;background:var(--ink);transition:transform .3s var(--ease),opacity .3s}
.burger[aria-expanded=true] i:first-child{transform:translateY(3px) rotate(45deg)}
.burger[aria-expanded=true] i:last-child{transform:translateY(-3px) rotate(-45deg)}
@media (max-width:960px){
  .nav{display:none}
  .burger{display:flex}
}
.drawer{
  position:fixed;inset:56px 0 auto;z-index:99;background:rgba(243,243,240,.97);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--rule);padding:8px var(--pad) 22px;
}
.drawer a{display:flex;gap:12px;align-items:baseline;padding:13px 0;border-bottom:1px solid var(--rule-soft);font-family:var(--serif);font-size:17px}
.drawer a i{font-family:var(--mono);font-size:10px;font-style:normal;color:var(--indigo);letter-spacing:.1em}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding:112px var(--pad) 0;overflow:hidden}
#hero-canvas{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%;max-width:var(--wrap);margin-inline:auto}

.sheet-tag{
  position:absolute;top:-52px;right:0;display:flex;gap:0;border:1px solid var(--rule);
  background:rgba(243,243,240,.6);
}
.sheet-tag span{padding:6px 12px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--ink-2);border-right:1px solid var(--rule)}
.sheet-tag span:last-child{border-right:0}
.sheet-tag .num{color:var(--indigo)}
@media (max-width:900px){.sheet-tag{display:none}}

.hero-eyebrow{display:flex;align-items:center;gap:14px;color:var(--ink-2);margin-bottom:26px}
.hero-eyebrow::before{content:"";width:52px;height:1px;background:var(--indigo)}

.hero-title{
  font-size:clamp(34px,7.2vw,84px);line-height:1.32;letter-spacing:.01em;
  margin-bottom:34px;font-weight:600;
}
.hero-title .line{display:block;overflow:hidden}
.hero-title .ink,.hero-title .quoted{display:inline-block;transform:translateY(105%);opacity:0}
.hero-title .quoted{color:var(--indigo);position:relative}
.hero-title .q{color:var(--ink-3);font-size:.72em;vertical-align:.08em}
.is-ready .hero-title .ink,.is-ready .hero-title .quoted{
  transform:translateY(0);opacity:1;
  transition:transform 1.05s var(--ease-out),opacity .9s var(--ease-out);
}
.is-ready .hero-title .line:nth-child(2) .ink{transition-delay:.09s}
.is-ready .hero-title .line:nth-child(3) .ink{transition-delay:.18s}

.hero-lead{max-width:46em;font-size:clamp(14px,1.45vw,16.5px);color:var(--ink-2);line-height:2.15;margin-bottom:36px}
.hero-lead em{font-style:normal;color:var(--ink);border-bottom:1px solid var(--indigo);padding-bottom:1px}

.hero-meta{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin-bottom:36px}
.hero-meta>div{padding:16px 26px 16px 0;margin-right:26px;border-right:1px solid var(--rule)}
.hero-meta>div:last-child{border-right:0}
.hero-meta dt{color:var(--ink-2);margin-bottom:5px}
.hero-meta dd{font-family:var(--serif);font-size:15px}
@media (max-width:720px){
  .hero-meta>div{width:calc(50% - 13px);padding-right:12px;margin-right:0;border-right:0}
  .hero-meta>div:nth-child(odd){border-right:1px solid var(--rule);margin-right:26px;width:calc(50% - 26px)}
}

.hero-act{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 24px;font-size:13.5px;
  font-family:var(--sans);font-weight:500;border:1px solid var(--ink);
  transition:background .35s var(--ease),color .35s var(--ease),transform .35s var(--ease);
}
.btn span{transition:transform .35s var(--ease)}
.btn-fill{background:var(--ink);color:var(--paper)}
.btn-fill:hover{background:var(--indigo);border-color:var(--indigo)}
.btn-fill:hover span{transform:translateY(3px)}
.btn-line:hover{background:var(--ink);color:var(--paper)}
.btn-line:hover span{transform:translateY(3px)}
.btn-ghost{border-color:var(--navy-sub);color:var(--navy-txt);padding:16px 30px}
.btn-ghost:hover{background:var(--navy-txt);color:var(--navy);border-color:var(--navy-txt)}
.btn-ghost:hover span{transform:translate(3px,-3px)}

.hero-foot{
  position:relative;z-index:2;width:100%;max-width:var(--wrap);margin:auto auto 0;
  padding:30px 0 26px;display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.scroll-hint{display:flex;align-items:center;gap:10px;color:var(--ink-2)}
.scroll-hint i{width:1px;height:26px;background:var(--ink-3);position:relative;overflow:hidden}
.scroll-hint i::after{content:"";position:absolute;inset:0;background:var(--indigo);animation:sc 2.1s var(--ease) infinite}
@keyframes sc{0%{transform:translateY(-100%)}55%,100%{transform:translateY(100%)}}
@media (max-width:640px){.hero-foot .dim{display:none}}

/* ---------- TICKER ---------- */
.ticker{border-block:1px solid var(--rule);background:var(--paper-2);overflow:hidden;padding:11px 0}
.ticker-row{display:flex;gap:26px;width:max-content;animation:tick 44s linear infinite;align-items:center}
.ticker-row span{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ink-2);text-transform:uppercase;white-space:nowrap}
.ticker-row b{color:var(--indigo);font-size:9px}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- セクション共通 ---------- */
.sec{position:relative;padding:clamp(84px,11vw,150px) 0}
.sec+.sec{border-top:1px solid var(--rule)}
.sec-head{margin-bottom:clamp(46px,6vw,76px);position:relative}
.sec-no{
  display:inline-block;color:var(--indigo);margin-bottom:16px;position:relative;padding-left:30px;
}
.sec-no::before{content:"";position:absolute;left:0;top:50%;width:20px;height:1px;background:var(--indigo)}
.sec-title{font-size:clamp(27px,4.4vw,50px);line-height:1.42;letter-spacing:.01em}
.sec-sub{margin-top:18px;color:var(--ink-2);font-size:14px;line-height:2}

/* ---------- 01 ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:clamp(34px,5vw,72px);align-items:start}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}}
.about-body p{margin-bottom:22px;color:var(--ink-2);line-height:2.2;font-size:15px}
.about-body strong{color:var(--ink);font-weight:500;background:linear-gradient(transparent 64%,var(--indigo-w) 64%)}
.lead-para{font-size:17px !important;color:var(--ink) !important;font-family:var(--serif);line-height:2.05 !important}

.pull{margin:38px 0 0;padding:26px 0 0;border-top:1px solid var(--rule);position:relative}
.pull p{font-family:var(--serif);font-size:clamp(16px,2.1vw,21px);line-height:1.95;color:var(--ink) !important;margin-bottom:14px !important}
.pull cite{font-style:normal;color:var(--ink-2);display:block;font-size:10.5px}

.about-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:100px}
@media (max-width:900px){.about-side{position:static}}
.spec{border:1px solid var(--rule);background:var(--paper-2)}
.spec-cap{padding:11px 18px;border-bottom:1px solid var(--rule);color:var(--ink-2);background:var(--paper)}
.spec dl{padding:6px 18px 14px}
.spec dl>div{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--rule)}
.spec dl>div:last-child{border-bottom:0}
.spec dt{flex:none;width:3.6em;font-size:12px;color:var(--ink-2);padding-top:2px}
.spec dd{font-size:14.5px;font-family:var(--serif);line-height:1.7}
.ruby{display:block;font-size:10px;color:var(--ink-2);margin-top:3px}

.counters{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--rule)}
.counter{padding:18px 12px;text-align:center;border-right:1px solid var(--rule)}
.counter:last-child{border-right:0}
.counter .num{display:block;font-family:var(--serif);font-size:clamp(20px,3vw,28px);color:var(--indigo);line-height:1.2}
.counter span{display:block;font-size:10.5px;color:var(--ink-2);margin-top:6px;line-height:1.6}

.stack li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:11px 0;border-bottom:1px solid var(--rule-soft);font-size:14px}
.stack li:first-child{border-top:1px solid var(--rule-soft)}
.stack li .mono{color:var(--ink-2);flex:none}

/* ---------- 02 WHAT I DO ---------- */
.do-list{border-top:1px solid var(--rule)}
.do-item{display:grid;grid-template-columns:110px minmax(0,1fr);gap:clamp(16px,4vw,52px);padding:clamp(30px,4vw,48px) 0;border-bottom:1px solid var(--rule);position:relative}
.do-item::after{content:"";position:absolute;left:0;bottom:-1px;width:0;height:1px;background:var(--indigo);transition:width .9s var(--ease-out)}
.do-item.in::after{width:100%}
.do-no{font-size:clamp(30px,5vw,54px);font-family:var(--serif);color:var(--indigo);letter-spacing:0;line-height:1;opacity:.9}
.do-txt h3{font-size:clamp(19px,2.5vw,26px);margin-bottom:14px}
.do-txt p{color:var(--ink-2);font-size:15px;line-height:2.1;max-width:44em}
.do-tags{margin-top:16px !important;color:var(--ink-2) !important;font-size:10.5px !important}
@media (max-width:700px){.do-item{grid-template-columns:1fr;gap:10px}}

/* ---------- 03 WORKS ---------- */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.chip{
  font-family:var(--sans);font-size:13px;padding:9px 16px;background:none;cursor:pointer;
  border:1px solid var(--rule);color:var(--ink-2);display:flex;align-items:center;gap:8px;
  transition:border-color .25s,color .25s,background .25s;
}
.chip i{font-style:normal;font-size:9.5px;opacity:.75}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:var(--paper)}

.work-list{border-top:1px solid var(--rule)}
.work{
  /* 右カラムが遠いと本文と関係が切れて見えるので、間隔と幅を詰めた */
  display:grid;grid-template-columns:70px minmax(0,1fr) 186px;gap:clamp(14px,2vw,26px);
  padding:clamp(26px,3.4vw,38px) 18px;border-bottom:1px solid var(--rule);
  position:relative;transition:background .4s var(--ease),opacity .45s,transform .45s;
}
.work:hover{background:var(--paper-2)}
.work .corner{position:absolute;width:9px;height:9px;opacity:0;transition:opacity .35s var(--ease),transform .35s var(--ease)}
.work .tl{top:10px;left:6px;border-left:1px solid var(--indigo);border-top:1px solid var(--indigo);transform:translate(4px,4px)}
.work .br{bottom:10px;right:6px;border-right:1px solid var(--indigo);border-bottom:1px solid var(--indigo);transform:translate(-4px,-4px)}
.work:hover .corner{opacity:1;transform:translate(0,0)}
.work.is-hidden{display:none}
.work-no{color:var(--indigo);padding-top:5px}
.work-client{font-size:13px;color:var(--ink-2);margin-bottom:7px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.work-client .mono{font-size:10px;border:1px solid var(--rule);padding:2px 7px;color:var(--ink-2)}
.work-main h3{font-size:clamp(17px,2.1vw,22px);margin-bottom:12px;line-height:1.6}
.work-main p:last-child{color:var(--ink-2);font-size:14px;line-height:2.05;max-width:34em}
.work-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start;padding-top:4px}
.work-state{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink)}
.work-state i{width:6px;height:6px;border-radius:50%;background:var(--indigo);flex:none;position:relative}
.work-state[data-state=run] i::after{content:"";position:absolute;inset:-4px;border:1px solid var(--indigo);border-radius:50%;opacity:.45;animation:pulse 2.6s var(--ease) infinite}
.work-state[data-state=done] i{background:var(--ink-3)}
.work-state[data-state=wip] i{background:none;border:1.5px solid var(--indigo)}
@keyframes pulse{0%{transform:scale(.7);opacity:.6}70%,100%{transform:scale(1.5);opacity:0}}
.work-tag{color:var(--ink-2) !important;font-size:10px !important}
@media (max-width:860px){
  .work{grid-template-columns:56px minmax(0,1fr);padding-inline:8px}
  .work-side{grid-column:2;flex-direction:row;align-items:center;gap:16px;flex-wrap:wrap}
}
.work-note{margin-top:26px;font-size:13px;color:var(--ink-2);padding-left:18px;border-left:2px solid var(--indigo);line-height:2}

/* ---------- 04 AI ---------- */
.ai-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.32fr);gap:clamp(28px,4vw,56px);align-items:start}
@media (max-width:900px){.ai-grid{grid-template-columns:1fr}}
.ai-cap{color:var(--ink-2);padding-bottom:12px;border-bottom:1px solid var(--ink);margin-bottom:6px}
.ai-tools{position:sticky;top:104px}
@media (max-width:900px){.ai-tools{position:static}}
.tool-list li{padding:16px 0;border-bottom:1px solid var(--rule-soft)}
.tool-list b{display:block;font-family:var(--serif);font-size:16px;font-weight:600;margin-bottom:4px}
.tool-list span{font-size:12.5px;color:var(--ink-2);line-height:1.85}

.ai-notes{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.ai-note{background:var(--paper);padding:clamp(24px,3vw,36px);transition:background .4s var(--ease)}
.ai-note:hover{background:var(--paper-2)}
.ai-note h3{font-size:clamp(16px,2vw,20px);margin-bottom:14px;display:flex;gap:14px;align-items:baseline;line-height:1.6}
.ai-note h3 .mono{color:var(--indigo);flex:none;font-size:11px}
.ai-note p{color:var(--ink-2);font-size:14.5px;line-height:2.15}
.ai-note em{font-style:normal;color:var(--ink);border-bottom:1px solid var(--indigo)}

/* ---------- 05 SHARE ---------- */
.share-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--rule);border:1px solid var(--rule);margin-bottom:clamp(40px,5vw,64px)}
@media (max-width:900px){.share-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.share-grid{grid-template-columns:1fr}}
.ch{background:var(--paper);padding:clamp(22px,2.6vw,30px);display:flex;flex-direction:column;gap:9px;position:relative;overflow:hidden;transition:background .4s var(--ease)}
.ch::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--indigo);transition:width .5s var(--ease-out)}
.ch:hover{background:var(--paper-2)}
.ch:hover::after{width:100%}
.ch-half{grid-column:span 2}
@media (max-width:900px){.ch-half{grid-column:span 1}}
@media (max-width:560px){.ch-half{grid-column:span 1}}
.ch-no{color:var(--ink-3)}
.ch b{font-family:var(--serif);font-size:21px;font-weight:600;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ch-badge{border:1px solid var(--indigo);color:var(--indigo);padding:2px 7px;font-size:9px}
.ch-desc{font-size:13px;color:var(--ink-2);line-height:1.9;flex:1}
.ch-go{color:var(--indigo);font-size:10px;transition:transform .35s var(--ease)}
.ch:hover .ch-go{transform:translateX(4px)}

.talks-cap{color:var(--ink-2);padding-bottom:12px;border-bottom:1px solid var(--ink);margin-bottom:0}
.talks li{display:grid;grid-template-columns:78px minmax(0,240px) minmax(0,1fr);gap:clamp(12px,2.4vw,28px);padding:19px 0;border-bottom:1px solid var(--rule-soft);align-items:baseline}
.talks li .mono{color:var(--indigo);font-size:10px}
.talks li b{font-family:var(--serif);font-size:15.5px;font-weight:600}
.t-desc{font-size:13px;color:var(--ink-2);line-height:1.9}
@media (max-width:760px){.talks li{grid-template-columns:66px minmax(0,1fr)}.t-desc{grid-column:2}}

/* ---------- 06 CONTACT ---------- */
.contact{background:var(--navy);color:var(--navy-txt);text-align:center;overflow:hidden;border-top:0 !important}
.contact .wrap{position:relative;z-index:2}
.contact .sec-no{color:var(--navy-sub)}
.contact .sec-no::before{background:var(--navy-sub)}
.contact-title{font-size:clamp(30px,5.6vw,64px);line-height:1.45;margin-bottom:26px}
.contact-title .j{margin-right:-.5em}
.contact-lead{color:var(--navy-sub);font-size:15px;line-height:2.2;margin-bottom:40px}
.contact-links{display:flex;flex-wrap:wrap;justify-content:center;gap:0;margin-top:52px}
.contact-links li{border-right:1px solid rgba(255,255,255,.16)}
.contact-links li:last-child{border-right:0}
.contact-links a{display:block;padding:6px 20px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--navy-sub);transition:color .3s}
.contact-links a:hover{color:var(--navy-txt)}
.foot{position:relative;z-index:2;max-width:var(--wrap);margin:clamp(56px,7vw,90px) auto 0;padding:22px var(--pad) 0;border-top:1px solid rgba(255,255,255,.14);display:flex;justify-content:space-between;gap:14px}
.foot .mono{color:var(--navy-sub)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px)}
.is-ready .reveal{transition:opacity .9s var(--ease-out),transform .9s var(--ease-out)}
.is-ready .hero-eyebrow{transition-delay:.05s}
.is-ready .hero-lead{transition-delay:.34s}
.is-ready .hero-meta{transition-delay:.42s}
.is-ready .hero-act{transition-delay:.5s}
.is-ready .reveal.in{opacity:1;transform:none}
.anim{opacity:0;transform:translateY(26px);transition:opacity .85s var(--ease-out),transform .85s var(--ease-out)}
.anim.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .hero-title .ink,.hero-title .quoted{transform:none;opacity:1}
  .reveal,.anim{opacity:1;transform:none}
  .ticker-row{animation:none}
}

/* ---------- JS無効時のフォールバック（本文が消えないように） ---------- */
html:not(.js) .hero-title .ink,
html:not(.js) .hero-title .quoted,
html:not(.js) .reveal,
html:not(.js) .anim{opacity:1 !important;transform:none !important}
html:not(.js) .drawer{display:none}

/* ---------- three.js キャンバス ---------- */
/* 見出し側（左）はマスクで落として、文字と線を干渉させない */
#hero-canvas{opacity:0;transition:opacity 1.4s var(--ease-out) .25s;
  mask-image:linear-gradient(to right,transparent 0%,rgba(0,0,0,.35) 30%,#000 52%);
  -webkit-mask-image:linear-gradient(to right,transparent 0%,rgba(0,0,0,.35) 30%,#000 52%)}
@media (max-width:1100px){#hero-canvas{mask-image:none;-webkit-mask-image:none}}
#hero-canvas.is-live{opacity:1}
#hero-canvas canvas{width:100% !important;height:100% !important;display:block}
@media (max-width:900px){#hero-canvas{opacity:0;transition-delay:.1s}#hero-canvas.is-live{opacity:.55}}

/* 裏タブで transition が止まったまま放置されても、見出しが消えたままにならないように */
.anim-done .hero-title .ink,
.anim-done .hero-title .quoted,
.anim-done .hero .reveal{opacity:1;transform:none}

/* 右の3Dと文字を取り合わせない（広い画面だけテキスト側を左に閉じる） */
@media (min-width:1101px){
  .hero-title{max-width:none}          /* 60%だと「を、」が意図せず折れた */
  .hero-lead{max-width:54%}
  .hero-meta{max-width:80%}
}

/* ---------- スマートフォンのヒーロー調整 ---------- */
@media (max-width:720px){
  .hero{padding-top:96px}
  .hero-title{font-size:clamp(29px,8.4vw,44px);line-height:1.42;margin-bottom:26px}
  .hero-lead{line-height:2;margin-bottom:26px}
  .hero-meta{margin-bottom:26px}
  .hero-meta>div{padding:11px 10px 11px 0}
  .hero-meta dt{margin-bottom:2px;font-size:9.5px}
  .hero-meta dd{font-size:13.5px;line-height:1.6}
  .hero-act{gap:9px}
  .btn{padding:12px 18px;font-size:12.5px}
  /* 3Dは文字の裏だと薄くて何も見えなかった。画面の下側へ置いて、そこだけ濃く見せる */
  /* ボタンと重なる帯なので、濃さは控えめに留める */
  #hero-canvas{
    top:auto;bottom:0;height:50%;
    mask-image:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.55) 24%,#000 52%);
    -webkit-mask-image:linear-gradient(to bottom,transparent 0%,rgba(0,0,0,.55) 24%,#000 52%);
  }
  #hero-canvas.is-live{opacity:.34}
}

/* カウンタの数字が「約120 / 名」で折れていたので詰める */
.counter .num{white-space:nowrap;font-size:clamp(17px,2.2vw,25px)}
.counter{padding:18px 8px}

/* ---------- フォロー用QR（暗い面に、紙を1枚貼る） ---------- */
.qr-wrap{margin-top:clamp(40px,5vw,60px);display:flex;flex-direction:column;align-items:center;gap:14px}
.qr-paper{
  background:var(--paper);padding:18px;border:1px solid rgba(255,255,255,.14);
  box-shadow:0 18px 40px rgba(0,0,0,.28);position:relative;
}
.qr-paper::before,.qr-paper::after{
  content:"";position:absolute;width:10px;height:10px;border:1px solid var(--indigo);opacity:.5;
}
.qr-paper::before{top:7px;left:7px;border-right:0;border-bottom:0}
.qr-paper::after{bottom:7px;right:7px;border-left:0;border-top:0}
.qr-paper canvas{width:186px;height:186px;display:block}
.qr-cap{color:var(--navy-sub);letter-spacing:.2em}
.qr-note{color:var(--navy-sub);font-size:12px;line-height:1.9;margin-top:-6px}
@media (max-width:560px){.qr-paper canvas{width:164px;height:164px}}

/* =========================================================
   自作スクロールレール（右端の製図スケール）
   ネイティブのバーは消して、目盛りと現在地を自前で出す
   ========================================================= */
html{scrollbar-width:none}
body::-webkit-scrollbar{width:0;height:0}

.rail{
  position:fixed;top:0;right:0;bottom:0;width:52px;z-index:104;
  pointer-events:none;display:flex;align-items:center;justify-content:flex-end;
  padding-right:14px;opacity:0;transition:opacity .8s var(--ease-out) .4s;
}
.is-ready .rail{opacity:1}
.rail-track{position:relative;width:26px;height:calc(100% - 190px);pointer-events:auto;cursor:grab}
.rail-track:active{cursor:grabbing}
/* 芯線 */
.rail-track::after{content:"";position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--rule)}
/* 目盛り */
.rail-ticks{
  position:absolute;right:0;top:0;bottom:0;width:7px;
  background:repeating-linear-gradient(to bottom,var(--rule) 0 1px,transparent 1px 13px);
}
/* セクションの位置に打つ印 */
.rail-marks{position:absolute;right:0;top:0;bottom:0;width:14px}
.rail-marks i{position:absolute;right:0;width:14px;height:1px;background:var(--ink-3);opacity:.9}
.rail-marks i.on{background:var(--indigo);height:1.5px;width:18px}
/* 現在地 */
.rail-thumb{
  position:absolute;right:-3px;width:7px;min-height:26px;background:var(--indigo);
  border-radius:1px;transition:background .3s var(--ease);
}
.rail-pct{
  position:absolute;right:13px;top:50%;transform:translateY(-50%);
  font-size:9px;letter-spacing:.08em;color:var(--ink-2);
  background:var(--paper);padding:2px 5px;border:1px solid var(--rule);
  opacity:0;transition:opacity .3s var(--ease);white-space:nowrap;
}
.rail-track:hover .rail-pct,.rail.dragging .rail-pct{opacity:1}

/* 暗い面（Contact）に入ったら反転 */
.rail.on-dark .rail-track::after{background:rgba(255,255,255,.18)}
.rail.on-dark .rail-ticks{background:repeating-linear-gradient(to bottom,rgba(255,255,255,.18) 0 1px,transparent 1px 13px)}
.rail.on-dark .rail-marks i{background:var(--navy-sub)}
.rail.on-dark .rail-marks i.on{background:var(--paper)}
.rail.on-dark .rail-thumb{background:var(--paper)}
.rail.on-dark .rail-pct{background:var(--navy);border-color:rgba(255,255,255,.2);color:var(--navy-sub)}

@media (max-width:900px){
  .rail{display:none}
  html{scrollbar-width:auto}
  body::-webkit-scrollbar{width:initial}
}

/* QRをリンクにしたので、押せることが分かる見た目にする */
a.qr-paper{display:block;transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out)}
a.qr-paper:hover{transform:translateY(-3px);box-shadow:0 24px 50px rgba(0,0,0,.36)}
a.qr-paper:hover::before,a.qr-paper:hover::after{opacity:1}

/* ---------- 紙の質感（ごく薄いガサツキ） ---------- */
body::before{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%27180%27 height=%27180%27%3E%3Cfilter id=%27n%27%3E%3CfeTurbulence type=%27fractalNoise%27 baseFrequency=%270.85%27 numOctaves=%274%27 stitchTiles=%27stitch%27/%3E%3CfeColorMatrix type=%27saturate%27 values=%270%27/%3E%3C/filter%3E%3Crect width=%27100%25%27 height=%27100%25%27 filter=%27url(%23n)%27 opacity=%270.5%27/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
.contact::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.22;
  background-image:url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%27180%27 height=%27180%27%3E%3Cfilter id=%27n2%27%3E%3CfeTurbulence type=%27fractalNoise%27 baseFrequency=%270.9%27 numOctaves=%274%27 stitchTiles=%27stitch%27/%3E%3CfeColorMatrix type=%27saturate%27 values=%270%27/%3E%3C/filter%3E%3Crect width=%27100%25%27 height=%27100%25%27 filter=%27url(%23n2)%27 opacity=%270.6%27/%3E%3C/svg%3E");
  mix-blend-mode:screen;
}

/* ---------- クロスヘアの座標 ---------- */
.crosshair .cnum{
  position:absolute;font-family:var(--mono);font-size:9px;letter-spacing:.08em;
  color:var(--indigo);opacity:.72;background:var(--paper);padding:1px 4px;
  border:1px solid var(--rule);white-space:nowrap;transform:translate(14px,14px);
}
.crosshair .cd::after{
  content:"";position:absolute;inset:-9px;border:1px solid var(--indigo);opacity:.28;border-radius:50%;
}

/* ---------- 図面が引かれていくローディング ----------
   紙を広げる → 方眼 → 外枠を4辺順に引く → 中心線 → トンボ → 署名 → 罫
   全部で約2.4秒。クリックで即スキップ。reduced-motion では出さない       */
.boot{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.boot.done{opacity:0;visibility:hidden;transition:opacity .75s var(--ease) .5s,visibility .75s .5s}
/* 図面が奥へ抜けていく。この間に本編の見出しが立ち上がる */
.boot.done .boot-stage{
  transform:scale(1.22);opacity:0;
  transition:transform 1.15s var(--ease-out),opacity .95s var(--ease) .14s;
}
.boot-stage{transition:transform .4s var(--ease-out),opacity .4s var(--ease)}
.boot-stage{position:relative;display:flex;flex-direction:column;align-items:center;gap:20px}

.boot-sheet{
  position:relative;width:min(430px,68vw);height:min(278px,45vw);
  background:var(--paper);transform:scaleX(.03);transform-origin:center;
  animation:bsOpen .62s var(--ease-out) forwards;
  box-shadow:0 22px 60px rgba(20,26,36,.09);
}
@keyframes bsOpen{to{transform:scaleX(1)}}

.bs-grid{
  position:absolute;inset:0;opacity:0;animation:bsFade .55s ease .46s forwards;
  background-image:
    linear-gradient(to right,var(--rule-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--rule-soft) 1px,transparent 1px);
  background-size:19px 19px;
}
@keyframes bsFade{to{opacity:1}}

.bs-edge{position:absolute;background:var(--ink)}
.bs-edge.t{top:0;left:0;width:100%;height:1px;transform:scaleX(0);transform-origin:left;animation:sx .24s var(--ease-out) .64s forwards}
.bs-edge.r{top:0;right:0;width:1px;height:100%;transform:scaleY(0);transform-origin:top;animation:sy .24s var(--ease-out) .80s forwards}
.bs-edge.b{bottom:0;right:0;width:100%;height:1px;transform:scaleX(0);transform-origin:right;animation:sx .24s var(--ease-out) .96s forwards}
.bs-edge.l{bottom:0;left:0;width:1px;height:100%;transform:scaleY(0);transform-origin:bottom;animation:sy .24s var(--ease-out) 1.12s forwards}
@keyframes sx{to{transform:scaleX(1)}}
@keyframes sy{to{transform:scaleY(1)}}

.bs-cross{position:absolute;background:var(--rule)}
.bs-cross.h{left:7%;right:7%;top:50%;height:1px;transform:scaleX(0);animation:sx .45s var(--ease-out) 1.18s forwards}
.bs-cross.v{top:7%;bottom:7%;left:50%;width:1px;transform:scaleY(0);animation:sy .45s var(--ease-out) 1.24s forwards}

.bs-mark{position:absolute;width:13px;height:13px;opacity:0;animation:bsPop .32s var(--ease-out) forwards}
.bs-mark.tl{top:9px;left:9px;border-left:1px solid var(--indigo);border-top:1px solid var(--indigo);animation-delay:1.36s}
.bs-mark.tr{top:9px;right:9px;border-right:1px solid var(--indigo);border-top:1px solid var(--indigo);animation-delay:1.42s}
.bs-mark.bl{bottom:9px;left:9px;border-left:1px solid var(--indigo);border-bottom:1px solid var(--indigo);animation-delay:1.48s}
.bs-mark.br{bottom:9px;right:9px;border-right:1px solid var(--indigo);border-bottom:1px solid var(--indigo);animation-delay:1.54s}
@keyframes bsPop{from{opacity:0;transform:scale(.35)}to{opacity:1;transform:scale(1)}}

.bs-name{
  position:absolute;left:8%;top:79%;font-family:var(--serif);font-weight:600;
  font-size:clamp(21px,3.2vw,33px);letter-spacing:.06em;color:var(--ink);
  opacity:0;transform:translateY(-30%);animation:bsName .6s var(--ease-out) 1.58s forwards;
}
@keyframes bsName{to{opacity:1;transform:translateY(-50%)}}

.bs-rule{position:absolute;left:8%;top:calc(79% + 17px);width:104px;height:1px;overflow:hidden}
.bs-rule i{display:block;width:100%;height:100%;background:var(--indigo);transform:scaleX(0);transform-origin:left;animation:sx .55s var(--ease-out) 1.76s forwards}

.boot-meta{display:flex;gap:22px;opacity:0;animation:bsFade .5s ease .98s forwards}
.boot-meta .mono{color:var(--ink-2)}
.boot-meta .bs-pct{color:var(--indigo)}
.boot-meta .bs-pct::after{content:"%";margin-left:1px;opacity:.6}


/* 中央で線が引かれていく等角図（ヒーローと同じモチーフ） */
.bs-iso{
  position:absolute;left:50%;top:41%;transform:translate(-50%,-50%);
  width:min(190px,30vw);height:auto;overflow:visible;
}
.bs-iso path{stroke:var(--indigo);stroke-width:1.1;stroke-dasharray:260;stroke-dashoffset:260;opacity:.75}
.bs-iso .c1{animation:bsDraw .85s var(--ease-out) 1.02s forwards}
.bs-iso .c2{animation:bsDraw .85s var(--ease-out) 1.24s forwards}
.bs-iso .c3{animation:bsDraw .85s var(--ease-out) 1.46s forwards}
@keyframes bsDraw{to{stroke-dashoffset:0}}

/* 右下の表題欄 */
.bs-block{
  position:absolute;right:9px;bottom:9px;width:min(178px,42%);
  display:grid;grid-template-columns:auto 1fr;gap:1px 9px;
  padding:7px 9px 6px;opacity:0;animation:bsFade .45s ease 1.92s forwards;
}
.bs-block i{font-style:normal;color:var(--ink-3);font-size:8px}
.bs-block b{font-weight:500;color:var(--ink);font-size:8.5px;text-align:right}
.bb-line{position:absolute;background:var(--ink-3)}
.bb-line.h1{left:0;right:0;top:0;height:1px;transform:scaleX(0);transform-origin:right;animation:sx .3s var(--ease-out) 1.86s forwards}
.bb-line.h2{left:0;right:0;bottom:-9px;height:1px;transform:scaleX(0);transform-origin:right;animation:sx .3s var(--ease-out) 1.9s forwards}
.bb-line.v1{left:0;top:0;bottom:-9px;width:1px;transform:scaleY(0);transform-origin:bottom;animation:sy .3s var(--ease-out) 1.94s forwards}

@media (prefers-reduced-motion:reduce){.boot{display:none}}

/* ---------- Works のホバー図（入力 → 処理 → 出力） ---------- */
.flow{display:flex;align-items:center;gap:7px;opacity:0;transform:translateY(4px);
  transition:opacity .45s var(--ease-out),transform .45s var(--ease-out)}
.work:hover .flow{opacity:1;transform:none}
.flow i{
  font-style:normal;font-family:var(--mono);font-size:9px;letter-spacing:.04em;
  border:1px solid var(--rule);padding:3px 6px;color:var(--ink-2);background:var(--paper);white-space:nowrap;
}
.flow b{width:9px;height:1px;background:var(--ink-3);flex:none;position:relative}
.flow b::after{content:"";position:absolute;right:0;top:-2px;border-left:3px solid var(--ink-3);border-block:2.5px solid transparent}
@media (max-width:860px){.flow{display:none}}

/* Contact のボタン2つ */
.cta-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center}
.btn-quiet{
  border-color:transparent;color:var(--navy-sub);padding:16px 20px;
  border-bottom:1px solid rgba(255,255,255,.22);
}
.btn-quiet:hover{color:var(--navy-txt);border-bottom-color:var(--navy-txt);background:transparent}
.btn-quiet:hover span{transform:translate(3px,-3px)}

/* =========================================================
   スマートフォンでの詰め（2026-08-25 kimura「カードがでかい」）
   ざっくり全体の余白と文字を落として、1画面に入る情報を増やす
   ========================================================= */
@media (max-width:720px){
  .sec{padding:56px 0}
  .sec+.sec{border-top:1px solid var(--rule)}
  .sec-head{margin-bottom:28px}
  .sec-no{margin-bottom:10px}
  .sec-title{font-size:clamp(23px,6.6vw,30px);line-height:1.5}
  .sec-sub{margin-top:12px;font-size:13px;line-height:1.85}

  /* About */
  .about-grid{gap:26px}
  .about-body p{margin-bottom:15px;line-height:1.95;font-size:14.5px}
  .lead-para{font-size:15.5px !important;line-height:1.85 !important}
  .pull{margin-top:24px;padding-top:18px}
  .pull p{font-size:15.5px !important;line-height:1.8}
  .about-side{gap:16px}
  .spec-cap{padding:9px 14px}
  .spec dl{padding:4px 14px 10px}
  .spec dl>div{padding:8px 0}
  .spec dd{font-size:13.5px}
  .counter{padding:13px 5px}
  .counter span{font-size:9.5px;margin-top:4px}
  .stack li{padding:9px 0;font-size:13.5px}

  /* What I do */
  .do-item{padding:22px 0;gap:6px}
  .do-no{font-size:26px}
  .do-txt h3{font-size:17.5px;margin-bottom:9px}
  .do-txt p{font-size:14px;line-height:1.95}
  .do-tags{margin-top:11px !important;font-size:10px !important}

  /* Works */
  .filters{margin-bottom:20px;gap:6px}
  .chip{padding:7px 12px;font-size:12px}
  .work{padding:20px 6px;gap:9px}
  .work-client{margin-bottom:5px;font-size:12px}
  .work-main h3{font-size:16.5px;margin-bottom:8px;line-height:1.5}
  .work-main p:last-child{font-size:13.5px;line-height:1.9}
  .work-side{gap:12px;padding-top:2px}
  .work-state{font-size:11.5px}
  .work-note{margin-top:18px;font-size:12.5px;line-height:1.85;padding-left:13px}

  /* AI */
  .ai-grid{gap:24px}
  .tool-list li{padding:12px 0}
  .tool-list b{font-size:15px}
  .tool-list span{font-size:12px;line-height:1.75}
  .ai-note{padding:20px}
  .ai-note h3{font-size:16px;margin-bottom:10px;gap:10px;line-height:1.5}
  .ai-note p{font-size:13.5px;line-height:1.95}

  /* Share */
  .share-grid{margin-bottom:30px}
  .ch{padding:18px;gap:6px}
  .ch b{font-size:18px}
  .ch-desc{font-size:12.5px;line-height:1.8}
  .ch-go{font-size:9px}

  /* Contact */
  .contact-title{font-size:clamp(26px,7.6vw,34px);margin-bottom:18px}
  .contact-lead{font-size:13.5px;line-height:1.95;margin-bottom:26px}
  .qr-wrap{margin-top:30px;gap:10px}
  .qr-note{font-size:11.5px;line-height:1.8}
  .contact-links{margin-top:30px}
  .contact-links a{padding:5px 14px;font-size:10px}
  .foot{margin-top:38px;flex-direction:column;align-items:center;gap:8px;text-align:center}

  /* 共有ボタン：テキストリンク風だと見つけてもらえなかったので枠を付ける */
  .cta-row{flex-direction:column;width:100%;gap:10px}
  .cta-row .btn{width:100%;justify-content:center}
  .btn-quiet{border:1px solid var(--navy-sub);color:var(--navy-txt)}
}

/* メニュー内の共有 */
.drawer-post{border-bottom:0 !important;color:var(--indigo) !important;font-family:var(--sans) !important;font-size:14px !important}
.drawer-post i{color:var(--indigo) !important;font-size:12px !important}


/* ローディング：狭い画面では表題欄がテキストからはみ出し、立方体と重なっていた。
   同じ内容が下の DRAWING NO. の行にあるので、スマホでは出さない */
@media (max-width:720px){
  .bs-block{display:none}
  .bs-name{left:0;right:0;text-align:center;top:78%}
  .bs-rule{left:50%;transform:translateX(-50%)}
  .bs-iso{width:min(150px,38vw);top:38%}
  .boot-sheet{width:min(340px,80vw);height:min(220px,52vw)}
  .boot-meta{gap:14px}
  .boot-meta .mono{font-size:9.5px}
}


/* =========================================================
   スマホをもう一段コンパクトに（2026-08-25 kimura「もうちょっと」）
   ========================================================= */
@media (max-width:720px){
  .sec{padding:44px 0}
  .sec-head{margin-bottom:22px}
  .sec-title{font-size:clamp(21px,5.9vw,27px);line-height:1.45}
  .sec-sub{margin-top:9px;font-size:12px;line-height:1.75}
  .br-sp{display:none}                 /* 説明文の強制改行を解く＝行数が減る */

  .about-body p{margin-bottom:12px;line-height:1.85;font-size:13.5px}
  .lead-para{font-size:14.5px !important;line-height:1.75 !important}
  .pull{margin-top:20px;padding-top:16px}
  .pull p{font-size:14.5px !important;line-height:1.7;margin-bottom:10px !important}
  .pull cite{font-size:9.5px}
  .about-grid{gap:20px}
  .about-side{gap:13px}
  .spec dl>div{padding:6px 0}
  .spec dd{font-size:13px}
  .stack li{padding:7px 0;font-size:13px}

  .do-item{padding:17px 0}
  .do-no{font-size:22px}
  .do-txt h3{font-size:16.5px;margin-bottom:7px}
  .do-txt p{font-size:13px;line-height:1.8}
  .do-tags{margin-top:8px !important}

  .work{padding:16px 4px;gap:7px}
  .work-main h3{font-size:15.5px;margin-bottom:6px;line-height:1.45}
  .work-main p:last-child{font-size:12.5px;line-height:1.75}
  .work-side{gap:10px}
  .work-note{margin-top:14px;font-size:12px;line-height:1.75}

  .tool-list li{padding:9px 0}
  .tool-list b{font-size:14px;margin-bottom:2px}
  .tool-list span{font-size:11.5px;line-height:1.65}
  .ai-note{padding:16px}
  .ai-note h3{font-size:15px;margin-bottom:8px;gap:9px;line-height:1.45}
  .ai-note p{font-size:12.5px;line-height:1.8}
  .ai-grid{gap:18px}

  .ch{padding:15px;gap:5px}
  .ch b{font-size:16.5px}
  .ch-desc{font-size:12px;line-height:1.7}
  .share-grid{margin-bottom:24px}
  .talks li{padding:13px 0}
  .talks li b{font-size:14px}
  .t-desc{font-size:12px;line-height:1.7}

  .contact-lead{font-size:13px;line-height:1.8;margin-bottom:22px}
  .qr-wrap{margin-top:24px}
  .qr-paper canvas{width:150px;height:150px}
  .qr-paper{padding:14px}
}

/* PC のヘッダーには共有も Contact も出さない（2026-08-25 kimura 指示）
   PCは Contact セクションまで自然にスクロールできるので、上部の常設は要らない。
   スマホは逆に、ここに無いと共有へ辿り着けないので残す */

/* 共有は <a href="x.com/intent/..."> をやめて <button> にした（2026-08-25）
   iOS のコンテンツブロッカーが intent URL を持つリンクを SNS共有ボタンとみなして
   消していたのが原因（実機だけで起きる＝開発ツールでは再現しない）。
   クラス名からも share の語を外してある */
.drawer-post,button.btn{font:inherit;cursor:pointer;background:none;border-radius:0}
.drawer-post{width:100%;text-align:left;border:0;padding:13px 0;display:flex;gap:12px;align-items:baseline}
button.btn{-webkit-appearance:none;appearance:none}
/* button 化でヘッダーが高くなったので詰める */