:root{
  --white:#FFFFFF;
  --bg-soft:#FAF8F4;
  --ink:#2A231B;           /* 墨 */
  --text:#3D352B;          /* 本文 */
  --text-soft:#6B6052;     /* 補助テキスト(視認性確保) */
  --muted:#98897A;         /* メタ情報 */
  --line:#E8E2D8;
  --brown:#816A53;         /* ロゴの胡桃色 */
  --brown-deep:#5D4A37;
  --brown-tint:#F4F0EA;
  --sakura:#C08E9B;
  --sakura-tint:#F7F0F1;
  --serif:'Zen Old Mincho',serif;
  --sans:'Zen Kaku Gothic New',sans-serif;
  --en:'Cormorant Garamond',serif;
  --max:1200px;
  --measure:640px;
  --pad:clamp(24px,5vw,64px);
  --sec:clamp(140px,20vh,230px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);font-weight:400;color:var(--text);background:var(--white);
  font-size:15.5px;line-height:2.35;letter-spacing:.08em;
  font-feature-settings:"palt";
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.9;color:var(--ink)}
svg{display:block}
::selection{background:var(--sakura-tint)}

.jp-label{
  font-size:.72rem;letter-spacing:.6em;color:var(--text-soft);font-weight:400;text-indent:.6em;
}

/* ===== ヘッダー ===== */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
}
.header-in{
  max-width:var(--max);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px var(--pad);
}
.logo{
  font-family:var(--serif);font-weight:500;font-size:1.02rem;letter-spacing:.3em;
  text-decoration:none;display:flex;align-items:center;gap:14px;color:var(--ink);
}
.logo img{width:34px;height:auto}
nav{display:flex;gap:clamp(20px,3.5vw,44px);align-items:center}
nav a{
  text-decoration:none;font-size:.76rem;letter-spacing:.3em;font-weight:400;
  color:var(--text-soft);position:relative;padding:6px 0;
  transition:color .35s ease;
}
nav a:hover,nav a:focus-visible{color:var(--ink)}
nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--brown);transform:scaleX(0);transform-origin:left;
  transition:transform .4s cubic-bezier(.2,.7,.2,1);
}
nav a:hover::after,nav a:focus-visible::after{transform:scaleX(1)}
nav a:focus-visible{outline:none}
@media(max-width:640px){
  .logo{font-size:.9rem;letter-spacing:.2em;gap:10px}
  .logo img{width:28px}
  nav a{font-size:.68rem;letter-spacing:.14em}
}

/* ===== 右サイド:スクロールの糸 ===== */
.rail{
  position:fixed;top:0;right:clamp(24px,3.2vw,46px);height:100vh;width:2px;
  background:var(--line);z-index:45;
}
.rail .fill{
  position:absolute;top:0;left:0;width:2px;height:0;
  background:linear-gradient(180deg,var(--brown) 0%,var(--sakura) 100%);
  box-shadow:0 0 12px rgba(192,142,155,.35);
}
.rail .glider{
  position:absolute;left:50%;top:0;
  width:34px;height:34px;margin-left:-17px;margin-top:-17px;
  filter:drop-shadow(0 3px 8px rgba(129,106,83,.3));
  will-change:transform;
}
.rail .glider svg{width:100%;height:100%}
.rail .pct{
  position:absolute;right:22px;top:0;margin-top:-11px;
  font-family:var(--en);font-style:italic;font-weight:500;
  font-size:.92rem;letter-spacing:.08em;color:var(--brown-deep);
  will-change:transform;white-space:nowrap;
}
.rail .pct::after{content:" %";font-size:.7em;color:var(--muted)}
.rail .label{
  position:absolute;top:24px;right:20px;
  writing-mode:vertical-rl;
  font-family:var(--en);font-style:italic;font-size:.78rem;
  letter-spacing:.32em;color:var(--muted);white-space:nowrap;
}
@media(max-width:900px){.rail{display:none}}

/* ===== トップへ戻る ===== */
.to-top{
  position:fixed;right:clamp(18px,3vw,38px);bottom:34px;z-index:70;
  width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;text-decoration:none;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .5s ease,transform .5s ease,visibility .5s,
             background .35s ease,border-color .35s ease;
  box-shadow:0 6px 20px rgba(42,35,27,.08);
}
.to-top.on{opacity:1;visibility:visible;transform:none}
.to-top svg{width:15px;height:15px;stroke:var(--brown-deep);stroke-width:1.5;fill:none;transition:stroke .35s ease}
.to-top:hover{background:var(--brown);border-color:var(--brown)}
.to-top:hover svg{stroke:#fff}
.to-top:focus-visible{outline:1px solid var(--brown);outline-offset:4px}

/* ===== HERO ===== */
.hero{
  min-height:calc(100svh - 78px);
  display:flex;align-items:center;position:relative;overflow:hidden;
}
.hero-in{
  max-width:var(--max);margin:0 auto;width:100%;
  padding:clamp(70px,9vh,110px) var(--pad);
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.25fr .9fr;gap:clamp(32px,5vw,72px);
  align-items:center;
}
@media(max-width:860px){.hero-in{grid-template-columns:1fr}}
.hero .kicker{margin-bottom:clamp(36px,5.5vh,58px)}
.hero h1{
  font-size:clamp(2.4rem,6.2vw,4.5rem);font-weight:500;
  letter-spacing:.3em;line-height:2;
}
.hero h1 .accent{color:var(--brown)}
.hero .lede{
  margin-top:clamp(44px,6.5vh,66px);max-width:var(--measure);
  color:var(--text);font-size:.93rem;line-height:2.6;letter-spacing:.1em;
  font-weight:300;
}
.hero .lede strong{color:var(--ink);font-weight:500}
.hero-logo{justify-self:center;position:relative;width:min(340px,68vw)}
.hero-logo img{
  width:100%;height:auto;
  opacity:0;transform:translateY(16px) scale(.985);
  animation:logoIn 1.8s .5s cubic-bezier(.2,.7,.2,1) forwards;
}
@keyframes logoIn{to{opacity:1;transform:none}}
.hero-logo .halo{
  position:absolute;inset:-14%;border-radius:50%;z-index:-1;
  background:radial-gradient(circle,var(--bg-soft) 0%,transparent 68%);
}
@media(max-width:860px){.hero-logo{width:min(240px,56vw);order:-1;margin-bottom:8px}}
.hero-scroll{
  position:absolute;bottom:0;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:16px;
}
.hero-scroll .txt{
  writing-mode:vertical-rl;
  font-family:var(--en);font-style:italic;font-size:.82rem;
  letter-spacing:.34em;color:var(--text-soft);
}
.hero-scroll .line{
  width:1px;height:76px;background:var(--line);
  position:relative;overflow:hidden;
}
.hero-scroll .line::after{
  content:"";position:absolute;left:0;top:-45%;width:1px;height:45%;
  background:linear-gradient(180deg,transparent,var(--brown));
  animation:scrollLine 2.4s cubic-bezier(.45,0,.25,1) infinite;
}
@keyframes scrollLine{
  0%{top:-45%}
  62%,100%{top:100%}
}

/* ===== 花びら(グラデーション) ===== */
.petals{position:absolute;inset:0;z-index:1;pointer-events:none}
.petal{
  position:absolute;top:-7%;
  opacity:0;
  animation:fall var(--dur,16s) linear var(--delay,0s) infinite;
}
.petal svg{width:100%;height:100%;overflow:visible}
.petal.s1{width:18px;height:18px}
.petal.s2{width:26px;height:26px}
.petal.s3{width:32px;height:32px}
.petal.far{filter:blur(1.6px)}
.petal.near{filter:drop-shadow(0 3px 6px rgba(129,106,83,.16))}
@keyframes fall{
  0%{transform:translate(0,0) rotate(var(--rot0,0deg));opacity:0}
  7%{opacity:.9}
  60%{opacity:.8}
  100%{transform:translate(var(--sway,60px),112vh) rotate(var(--rot1,280deg));opacity:0}
}

/* ===== 共通 ===== */
section{padding:var(--sec) var(--pad);position:relative}
.section-in{max-width:var(--max);margin:0 auto}

/* 高級感のあるキッカー(番号+罫+英字) */
.kicker{
  display:flex;align-items:center;gap:22px;
}
.kicker .idx{
  font-family:var(--en);font-style:italic;font-weight:500;
  font-size:1.35rem;letter-spacing:.08em;color:var(--brown-deep);
  line-height:1;
}
.kicker .rule{
  width:64px;height:1px;background:var(--brown);opacity:.6;flex:none;
  position:relative;
}
.kicker .rule::after{
  content:"";position:absolute;right:-3px;top:-2.5px;
  width:6px;height:6px;border-radius:50%;
  background:var(--sakura);
}
.kicker .cap{
  font-size:.72rem;letter-spacing:.52em;text-transform:uppercase;
  color:#4A4238;font-weight:500;text-indent:.1em;
}
.sec-head{margin-bottom:clamp(68px,9.5vh,110px)}
.sec-head .kicker{margin-bottom:30px}
.sec-head h2{
  font-size:clamp(1.75rem,3.6vw,2.45rem);font-weight:500;letter-spacing:.34em;
}
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1.1s cubic-bezier(.2,.7,.2,1),transform 1.1s cubic-bezier(.2,.7,.2,1)}
.reveal.show{opacity:1;transform:none}

/* 尻尾の渦の章飾り */
.flourish{display:flex;justify-content:center;padding:6px 0}
.flourish svg{width:150px;height:36px;overflow:visible}
.flourish path{
  fill:none;stroke:var(--brown);stroke-width:1.1;stroke-linecap:round;opacity:.8;
  stroke-dasharray:340;stroke-dashoffset:340;
  transition:stroke-dashoffset 2.4s cubic-bezier(.4,0,.2,1);
}
.flourish.show path{stroke-dashoffset:0}
.flourish circle{fill:var(--sakura);opacity:0;transition:opacity .8s 1.8s ease}
.flourish.show circle{opacity:.85}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1 !important;transform:none !important;transition:none !important}
  .petal{animation:none !important;opacity:0 !important}
  .hero-logo img{animation:none !important;opacity:1 !important;transform:none !important}
  .flourish path{transition:none !important;stroke-dashoffset:0 !important}
  .flourish circle{transition:none !important;opacity:.85 !important}
  .rail .glider{transition:none !important}
  .hero-scroll .line::after{animation:none !important;top:30% !important;height:40% !important}
  .to-top{transition:opacity .2s ease,visibility .2s}
}

/* ===== ステートメント ===== */
.statement{text-align:center}
.statement .jp-label{display:block;margin-bottom:clamp(44px,6vh,60px)}
.statement h2{
  font-size:clamp(1.42rem,3.2vw,2.1rem);font-weight:500;
  letter-spacing:.26em;line-height:2.8;
}
.statement h2 .accent{color:var(--brown)}
.statement .deco{position:absolute;width:26px;opacity:.85}
.statement .deco.d1{top:22%;left:14%;transform:rotate(-24deg)}
.statement .deco.d2{bottom:20%;right:13%;transform:rotate(148deg)}
@media(max-width:760px){.statement .deco{display:none}}

/* ===== わたしのこと ===== */
.about-grid{
  display:grid;grid-template-columns:1fr 1.5fr;gap:clamp(56px,9vw,140px);
  align-items:start;
}
@media(max-width:840px){.about-grid{grid-template-columns:1fr;gap:64px}}
.about-visual{position:sticky;top:150px;max-width:340px}
@media(max-width:840px){.about-visual{position:static}}
.mon{
  aspect-ratio:1;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);overflow:hidden;
}
.mon img{width:58%;height:auto;opacity:.94}
.mon-caption{margin-top:32px;display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.mon-caption .name{font-family:var(--serif);font-size:.95rem;letter-spacing:.32em;color:var(--ink)}
.mon-caption .en{font-family:var(--en);font-style:italic;font-size:.88rem;color:var(--muted);letter-spacing:.1em}
.about-body h3{
  font-size:clamp(1.32rem,2.6vw,1.78rem);font-weight:500;
  letter-spacing:.2em;line-height:2.3;margin-bottom:clamp(44px,6vh,60px);
}
.about-body p{
  margin-bottom:34px;color:var(--text);font-size:.92rem;line-height:2.6;
  letter-spacing:.1em;font-weight:300;max-width:var(--measure);
}
.about-body p:last-of-type{margin-bottom:0}
.about-body strong{font-weight:500;color:var(--ink)}
.about-data{margin-top:clamp(56px,8vh,80px)}
.about-data div{
  display:grid;grid-template-columns:140px 1fr;gap:20px;
  padding:20px 2px;border-top:1px solid var(--line);
  font-size:.84rem;letter-spacing:.12em;
}
.about-data div:last-child{border-bottom:1px solid var(--line)}
.about-data dt{
  color:var(--text-soft);letter-spacing:.4em;font-weight:400;
  display:flex;align-items:center;gap:12px;
}
.about-data dt svg{width:11px;height:11px;flex:none}
.about-data dd{font-weight:300;color:var(--text)}
@media(max-width:560px){.about-data div{grid-template-columns:100px 1fr}}

/* ===== できること ===== */
.svc-item{
  display:grid;grid-template-columns:110px 1fr 1.3fr;gap:clamp(24px,4.5vw,72px);
  padding:clamp(44px,6vh,64px) 2px;border-top:1px solid var(--line);
  align-items:baseline;position:relative;
}
.svc-item:last-child{border-bottom:1px solid var(--line)}
.svc-item::before{
  content:"";position:absolute;top:-1px;left:0;height:1px;width:100%;
  background:var(--brown);transform:scaleX(0);transform-origin:left;
  transition:transform .7s cubic-bezier(.2,.7,.2,1);
}
.svc-item:hover::before{transform:scaleX(1)}
.svc-item .num{
  font-family:var(--en);font-style:italic;font-weight:500;
  font-size:1.08rem;letter-spacing:.12em;color:var(--muted);
  transition:color .4s ease;
}
.svc-item:hover .num{color:var(--brown)}
.svc-item h3{font-size:clamp(1.12rem,2.2vw,1.42rem);font-weight:500;letter-spacing:.24em}
.svc-item h3 small{
  display:block;font-family:var(--en);font-style:italic;font-weight:500;
  font-size:.86rem;letter-spacing:.18em;color:var(--brown);opacity:.75;margin-top:10px;
}
.svc-item p{font-size:.89rem;color:var(--text-soft);line-height:2.5;letter-spacing:.08em;font-weight:300}
.svc-item .note{
  display:inline-block;margin-left:16px;
  font-size:.62rem;letter-spacing:.3em;color:var(--sakura);
  border:1px solid #E7D6DA;border-radius:999px;padding:3px 14px 3px 17px;
  vertical-align:2px;font-family:var(--sans);
}
@media(max-width:760px){.svc-item{grid-template-columns:1fr;gap:14px}}

/* ===== つくったもの ===== */
.works-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:clamp(64px,9vh,110px) clamp(36px,5vw,72px);
}
@media(max-width:760px){.works-grid{grid-template-columns:1fr}}
.work{display:block;text-decoration:none}
.work .cover{
  aspect-ratio:4/3;position:relative;overflow:hidden;
  background:var(--bg-soft);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  transition:background .5s ease,border-color .5s ease;
}
.work:hover .cover{background:var(--brown-tint);border-color:#DDD4C6}
.work .cover .title-v{
  writing-mode:vertical-rl;font-family:var(--serif);font-weight:500;
  font-size:clamp(1.2rem,2.3vw,1.6rem);letter-spacing:.5em;line-height:2.2;
  color:var(--ink);
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}
.work:hover .cover .title-v{transform:translateY(-10px)}
.work .cover .corner{
  position:absolute;top:24px;left:26px;
  font-family:var(--en);font-style:italic;font-weight:500;font-size:.86rem;
  color:var(--brown);opacity:.8;letter-spacing:.14em;
}
.work .cover .petal-mark{
  position:absolute;bottom:24px;right:26px;width:22px;
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}
.work:hover .cover .petal-mark{transform:translateY(-16px) rotate(26deg)}
.work .meta{display:flex;align-items:baseline;justify-content:space-between;margin-top:28px;gap:16px}
.work .meta .cat{font-size:.66rem;letter-spacing:.4em;color:var(--brown)}
.work .meta .year{font-family:var(--en);font-style:italic;font-size:.88rem;color:var(--muted);letter-spacing:.12em}
.work h3{font-size:1.04rem;font-weight:500;letter-spacing:.18em;margin-top:14px}
.work p{font-size:.86rem;color:var(--text-soft);margin-top:10px;line-height:2.4;letter-spacing:.08em;font-weight:300}

/* ===== CTA ===== */
.cta{text-align:center;overflow:hidden}
.cta .jp-label{display:block;margin-bottom:clamp(44px,6vh,60px)}
.cta h2{font-size:clamp(1.7rem,4vw,2.7rem);font-weight:500;letter-spacing:.3em;line-height:2.2}
.cta p{
  color:var(--text);max-width:34em;margin:clamp(36px,5vh,48px) auto clamp(60px,8.5vh,84px);
  font-size:.9rem;line-height:2.6;letter-spacing:.1em;font-weight:300;
}
.cta-link{
  display:inline-flex;align-items:center;gap:26px;text-decoration:none;
  font-family:var(--serif);font-weight:500;font-size:1rem;letter-spacing:.4em;text-indent:.4em;
  color:var(--ink);
}
.cta-link .circle{
  width:64px;height:64px;border:1px solid var(--ink);border-radius:50%;
  display:flex;align-items:center;justify-content:center;flex:none;
  transition:background .45s ease,border-color .45s ease;
}
.cta-link .circle svg{width:17px;height:17px;stroke:var(--ink);stroke-width:1.4;fill:none;transition:stroke .45s ease,transform .45s ease}
.cta-link:hover{color:var(--brown)}
.cta-link:hover .circle{background:var(--brown);border-color:var(--brown)}
.cta-link:hover .circle svg{stroke:#fff;transform:translateX(4px)}
.cta-link:focus-visible{outline:1px solid var(--brown);outline-offset:10px}
.cta-tail{max-width:var(--max);margin:clamp(70px,10vh,100px) auto 0;position:relative;height:80px}
.cta-tail svg{width:100%;height:100%;overflow:visible}
.cta-tail .thread{
  fill:none;stroke:#DCD2C4;stroke-width:1.2;
  stroke-dasharray:1700;stroke-dashoffset:1700;
  transition:stroke-dashoffset 3s cubic-bezier(.4,0,.2,1);
}
.cta-tail.show .thread{stroke-dashoffset:0}
.cta-tail .cat-line{
  fill:none;stroke:var(--brown);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;
  opacity:0;transition:opacity 1s 2.2s ease;
}
.cta-tail.show .cat-line{opacity:.95}
@media(prefers-reduced-motion:reduce){
  .cta-tail .thread{transition:none !important;stroke-dashoffset:0 !important}
  .cta-tail .cat-line{transition:none !important;opacity:.95 !important}
}

/* ===== フッター ===== */
footer{padding:0 var(--pad)}
.footer-in{
  max-width:var(--max);margin:0 auto;
  border-top:1px solid var(--line);
  padding:clamp(56px,8vh,80px) 0 clamp(40px,6vh,56px);
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px;
}
.f-brand{display:flex;align-items:center;gap:16px}
.f-brand img{width:40px;height:auto;opacity:.95}
.f-name{font-family:var(--serif);font-weight:500;font-size:1rem;letter-spacing:.34em;color:var(--ink)}
.f-info{font-size:.74rem;color:var(--text-soft);letter-spacing:.22em;font-weight:300}
.f-copy{font-family:var(--en);font-style:italic;font-size:.8rem;color:var(--muted);letter-spacing:.18em}