/* ====== reset & base ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-sans);
  font-weight:400;
  color:var(--ink);
  background:var(--paper);
  font-size:var(--fs-body);
  line-height:var(--lh-body);
  letter-spacing:.02em;
  line-break:strict;
  word-break:normal;
  overflow-wrap:break-word;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-mincho);font-weight:500;line-height:var(--lh-head);letter-spacing:.03em;text-wrap:balance;line-break:strict}
p{text-wrap:pretty}
::selection{background:var(--sakura-soft);color:var(--sakura-deep)}
:focus-visible{outline:2px solid var(--sakura);outline-offset:3px}

/* utility */
.eyebrow{font-family:var(--font-mono);font-size:var(--fs-label);letter-spacing:var(--ls-label);text-transform:uppercase;color:var(--ink-mute)}

/* ====== buttons ====== */
.btn{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-sans);font-size:.92rem;font-weight:500;letter-spacing:.04em;cursor:pointer;border:none;background:none;transition:all var(--dur-hover) var(--ease)}
.btn--pill{background:var(--sakura);color:var(--paper);padding:.95em 1.9em;border-radius:var(--r-pill)}
.btn--pill .arr{transition:transform var(--dur-hover) var(--ease)}
.btn--pill:hover{background:var(--sakura-deep)}
.btn--pill:hover .arr{transform:translateX(4px)}
.btn--text{color:var(--ink);padding:.3em 0;border-bottom:1px solid var(--sakura);border-radius:0}
.btn--text:hover{color:var(--sakura-deep)}

/* ====== header ====== */
.hdr{position:fixed;top:0;left:0;width:100%;z-index:900;display:flex;align-items:center;gap:2rem;
  padding:clamp(16px,2.4vw,30px) var(--pad);
  transition:padding .4s var(--ease),background .4s var(--ease),box-shadow .4s var(--ease)}
.hdr.is-scrolled{background:rgba(244,238,230,.86);backdrop-filter:blur(10px);padding-top:14px;padding-bottom:14px;box-shadow:0 1px 0 var(--line)}
.hdr__logo{display:flex;flex-direction:row;align-items:center;gap:.62em;line-height:1.1;margin-right:auto}
.hdr__logo-mark{height:42px;width:auto;display:block;transition:height .4s var(--ease)}
.hdr.is-scrolled .hdr__logo-mark{height:36px}
.hdr__logo-tx{display:flex;flex-direction:column;line-height:1.1}
.hdr__logo-ja{font-family:var(--font-mincho);font-weight:600;font-size:1.18rem;letter-spacing:.08em;color:var(--ink)}
.hdr__logo-en{font-family:var(--font-garamond);font-size:.66rem;letter-spacing:.34em;text-transform:uppercase;color:var(--ink-mute);margin-top:.25em}
.hdr__nav{display:flex;gap:clamp(14px,1.8vw,30px)}
.hdr__nav a{font-size:.86rem;letter-spacing:.06em;color:var(--ink);position:relative;padding:.2em 0}
.hdr__nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--sakura);transition:width .35s var(--ease)}
.hdr__nav a:hover{color:var(--sakura-deep)}
.hdr__nav a:hover::after{width:100%}
.hdr__cta{padding:.7em 1.5em;font-size:.84rem}
.hdr__burger{display:none;width:30px;height:18px;position:relative;background:none;border:none;cursor:pointer}
.hdr__burger span{position:absolute;left:0;width:100%;height:1.5px;background:var(--ink);transition:transform .4s var(--ease),opacity .3s var(--ease)}
.hdr__burger span:nth-child(1){top:3px}
.hdr__burger span:nth-child(2){bottom:3px}
body.nav-open .hdr__burger span:nth-child(1){transform:translateY(5.25px) rotate(38deg)}
body.nav-open .hdr__burger span:nth-child(2){transform:translateY(-5.25px) rotate(-38deg)}

/* ====== drawer ====== */
.drawer{position:fixed;inset:0;z-index:880;background:var(--paper);padding:clamp(90px,16vh,140px) var(--pad) 40px;
  display:flex;flex-direction:column;justify-content:center;gap:2.2rem;
  opacity:0;visibility:hidden;transform:translateY(-12px);transition:opacity .5s var(--ease),transform .5s var(--ease),visibility 0s linear .5s}
body.nav-open .drawer{opacity:1;visibility:visible;transform:none;transition:opacity .5s var(--ease),transform .5s var(--ease)}
.drawer__nav{display:flex;flex-direction:column;gap:clamp(14px,2.4vh,24px)}
.drawer__nav a{display:flex;align-items:baseline;gap:1em;font-family:var(--font-mincho);font-size:clamp(1.4rem,7vw,2rem);font-weight:500;color:var(--ink)}
.drawer__nav a i{font-family:var(--font-mono);font-style:normal;font-size:.72rem;letter-spacing:.2em;color:var(--sakura)}
.drawer__nav a em{font-family:var(--font-garamond);font-style:italic;font-size:.9rem;color:var(--ink-dim);margin-left:auto}
.drawer__cta{align-self:flex-start}

/* ====== hero ====== */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;
  padding:0 var(--pad) clamp(56px,9vh,110px)}
.hero__media{position:absolute;inset:0;z-index:0;background:
   radial-gradient(120% 90% at 78% 18%, #FBF7F1 0%, var(--paper) 46%, var(--paper-2) 100%)}
.hero__media::after{content:"";position:absolute;inset:0;
   background:radial-gradient(60% 50% at 80% 22%, rgba(194,105,122,.10), transparent 70%)}
.hero__petals{position:absolute;inset:0;overflow:hidden}
.petal{position:absolute;top:-6%;width:14px;height:14px;background:var(--sakura-soft);opacity:.55;
   border-radius:60% 0 60% 0;will-change:transform;animation:fall linear infinite}
@keyframes fall{
  0%{transform:translateY(-10vh) translateX(0) rotate(0deg);opacity:0}
  12%{opacity:.6}
  100%{transform:translateY(112vh) translateX(40px) rotate(220deg);opacity:.15}}
.hero__inner{position:relative;z-index:2;max-width:var(--maxw);width:100%;margin:0 auto}
.hero__eyebrow{font-family:var(--font-garamond);font-size:.82rem;letter-spacing:.3em;text-transform:uppercase;color:var(--sakura);margin-bottom:1.6em}
.hero__title{font-size:var(--fs-hero);font-weight:500;letter-spacing:.05em;color:var(--ink);margin-bottom:.7em}
.hero__title .line{display:block}
.hero__title .ch{display:inline-block;opacity:0;transform:translateY(18px);filter:blur(4px)}
body.is-loaded .hero__title .ch{animation:chIn .9s var(--ease) forwards}
.hero__lead{max-width:38em;font-size:var(--fs-lead);line-height:var(--lh-lead);color:var(--ink-mute);margin-bottom:2.4em;
  opacity:0;transform:translateY(14px)}
body.is-loaded .hero__lead{animation:fadeUp 1s var(--ease) 1.1s forwards}
.hero__actions{display:flex;flex-wrap:wrap;align-items:center;gap:1.6em;
  opacity:0;transform:translateY(14px)}
body.is-loaded .hero__actions{animation:fadeUp 1s var(--ease) 1.35s forwards}
@keyframes chIn{to{opacity:1;transform:none;filter:none}}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* ====== footer (暫定) ====== */
.ft{background:var(--ink-deep);color:var(--on-deep);padding:clamp(48px,7vw,80px) var(--pad)}
.ft__inner{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:1rem}
.ft__mark{font-family:var(--font-mincho);font-size:1.3rem;letter-spacing:.12em}
.ft__copy{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;color:var(--ink-dim)}

/* ====== responsive ====== */
@media (max-width:1024px){
  .hdr__nav,.hdr__cta{display:none}
  .hdr__burger{display:block}
}
@media (max-width:680px){
  .hero{align-items:flex-end;min-height:92svh}
  .hero__lead br{display:none}
}

/* ====== motion safety ====== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero__title .ch,.hero__lead,.hero__actions{opacity:1!important;transform:none!important;filter:none!important;animation:none!important}
  .petal{display:none}
  [data-reveal]{opacity:1!important;transform:none!important}
}

/* ====== sections (common) ====== */
.sec{padding:var(--sec-y) 0;position:relative}
.sec--paper{background:var(--paper)}
.sec--paper2{background:var(--paper-2)}
.sec--ink{background:var(--ink-deep);color:var(--on-deep)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:880px}
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity var(--dur-rev) var(--ease),transform var(--dur-rev) var(--ease)}
[data-reveal].in{opacity:1;transform:none}

.sechead{margin-bottom:clamp(2.4rem,5vw,4.4rem)}
.sechead--center{text-align:center;max-width:760px;margin-left:auto;margin-right:auto}
.sechead__title{font-size:var(--fs-h2);margin-top:.45em}
.sechead__sub{display:block;font-size:.46em;letter-spacing:.18em;color:var(--sakura-deep);margin-top:.7em;font-weight:500}
.sechead__lead{margin-top:1.5em;color:var(--ink-mute);font-size:var(--fs-lead);line-height:var(--lh-lead)}
.sechead--center .sechead__lead{margin-left:auto;margin-right:auto}
.eyebrow--on{color:var(--sakura-soft)}

.prose{max-width:42em}
.prose p{margin-bottom:1.5em;color:var(--ink-mute)}
.prose p:last-child{margin-bottom:0}
.prose--lead p{color:var(--ink);font-size:var(--fs-lead);line-height:var(--lh-lead)}
.prose__accent{font-family:var(--font-mincho);font-size:1.22em;color:var(--sakura-deep);line-height:1.6}
.prose--on p{color:rgba(244,238,230,.82)}
.prose__accent--on{color:var(--sakura-soft)}

/* image slot (pre-image placeholder) */
.imgslot{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.1em;width:100%;aspect-ratio:4/3;
  background:radial-gradient(130% 130% at 28% 22%, #F7E9EA 0%, var(--paper-2) 62%);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.imgslot--portrait{aspect-ratio:3/4}
.imgslot__gly{font-family:var(--font-mincho);font-style:normal;font-weight:500;font-size:clamp(2.4rem,6vw,3.8rem);color:var(--sakura);opacity:.55}
.imgslot__cap{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;color:var(--ink-dim)}

/* roots / trunk / blossom */
.rkh{display:flex;flex-direction:column;gap:clamp(2.6rem,5vw,5rem)}
.rkh__row{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(1.6rem,4vw,4rem);align-items:center}
.rkh__row--rev .rkh__media{order:2}
.rkh__kanji{font-family:var(--font-mincho);font-size:clamp(1.8rem,4vw,2.8rem);color:var(--sakura);line-height:1;margin-bottom:.35em}
.rkh__title{font-size:var(--fs-h3);margin-bottom:.9em}
.rkh__body p{color:var(--ink-mute)}

/* quote band (dark) */
.quoteband__title{font-size:clamp(1.6rem,3.6vw,2.7rem);color:var(--on-deep);margin:.7em 0 1.5em;line-height:1.4;letter-spacing:.04em}

/* service */
.svc{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.svc__item{background:var(--paper);padding:clamp(1.7rem,3vw,2.8rem)}
.sec--paper2 .svc__item{background:var(--paper-2)}
.svc__no{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;color:var(--sakura)}
.svc__title{font-size:var(--fs-h3);margin:.7em 0 .8em}
.svc__item p{color:var(--ink-mute);font-size:.95rem;margin:0}

/* for you */
.foryou__list{list-style:none;max-width:780px}
.foryou__list li{display:flex;align-items:baseline;gap:1em;padding:1.25em 0;border-bottom:1px solid var(--line);
  font-family:var(--font-mincho);font-size:clamp(1.05rem,2vw,1.45rem);color:var(--ink)}
.foryou__list li:first-child{border-top:1px solid var(--line)}
.foryou__mk{font-family:var(--font-mincho);font-style:normal;font-size:.66em;color:var(--sakura)}
.foryou__note{margin-top:2.2em;color:var(--sakura-deep);font-family:var(--font-mincho);font-size:clamp(1.05rem,2vw,1.3rem)}

/* flow */
.flow{list-style:none}
.flow__step{display:grid;grid-template-columns:auto 1fr;gap:clamp(1.2rem,3vw,2.6rem);padding:clamp(1.5rem,3vw,2.3rem) 0;border-bottom:1px solid var(--line)}
.flow__step:first-child{border-top:1px solid var(--line)}
.flow__no{font-family:var(--font-mono);font-size:1.15rem;color:var(--sakura);letter-spacing:.08em;padding-top:.15em}
.flow__body h3{font-size:var(--fs-h3);display:flex;align-items:baseline;flex-wrap:wrap;gap:.4em 1em;margin-bottom:.5em}
.flow__body h3 em{font-style:normal;font-family:var(--font-mono);font-size:.58rem;letter-spacing:.14em;color:var(--paper);background:var(--sakura);padding:.45em .9em;border-radius:999px}
.flow__body p{color:var(--ink-mute);margin:0}

/* price */
.price__list{list-style:none;margin-top:2.6rem;display:flex;flex-direction:column;gap:1.1rem}
.price__list li{display:flex;align-items:baseline;gap:.9em;font-size:1.05rem;color:var(--ink)}
.price__list i{color:var(--sakura);font-style:normal;font-size:.62em}

/* message */
.msg{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,5rem);align-items:start}
.msg__lead{font-family:var(--font-mincho);font-size:clamp(1.5rem,3vw,2.05rem);color:var(--ink);margin-bottom:1.3em;line-height:1.4}
.msg__body p{color:var(--ink-mute);margin-bottom:1.3em}
.msg__sign{font-family:var(--font-mincho);color:var(--ink);margin-top:1.8em;letter-spacing:.12em}

/* office */
.office__row{display:grid;grid-template-columns:210px 1fr;gap:1.5rem;padding:1.15em 0;border-bottom:1px solid var(--line)}
.office__row:first-child{border-top:1px solid var(--line)}
.office dt{font-weight:500;font-size:.86rem;letter-spacing:.06em;color:var(--ink-mute)}
.office dd{color:var(--ink)}

/* contact cta */
.cta{text-align:center}
.cta__title{font-size:clamp(1.9rem,4.5vw,3.4rem);color:var(--on-deep);margin:.55em 0 .85em;line-height:1.35}
.cta__lead{color:rgba(244,238,230,.78);max-width:36em;margin:0 auto 2.6em;line-height:var(--lh-lead)}
.cta__actions{display:flex;flex-wrap:wrap;gap:1.4em;justify-content:center;align-items:center}
.btn--ghost{color:var(--on-deep);border:1px solid rgba(244,238,230,.34);padding:.85em 1.7em;border-radius:var(--r-pill)}
.btn--ghost:hover{border-color:var(--sakura-soft);color:var(--sakura-soft)}

/* footer (full) */
.ft{background:var(--ink-deep);color:var(--on-deep);padding:clamp(56px,7vw,90px) 0 clamp(28px,4vw,40px);border-top:1px solid rgba(244,238,230,.12)}
.ft__grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:start}
.ft__mark{font-family:var(--font-mincho);font-size:1.45rem;letter-spacing:.12em;color:var(--on-deep)}
.ft__en{font-family:var(--font-garamond);font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-dim);margin-top:.45em}
.ft__addr{margin-top:1.5em;font-size:.8rem;line-height:1.95;color:rgba(244,238,230,.6)}
.ft__nav{display:grid;grid-template-columns:1fr 1fr;gap:.85em 1.5rem;align-content:start}
.ft__nav a{font-size:.86rem;color:rgba(244,238,230,.75);transition:color var(--dur-hover) var(--ease)}
.ft__nav a:hover{color:var(--sakura-soft)}
.ft__bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-top:clamp(2.6rem,5vw,4rem);padding-top:1.6rem;border-top:1px solid rgba(244,238,230,.12)}
.ft__copy{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;color:var(--ink-dim)}

/* ====== responsive (sections) ====== */
@media (max-width:900px){
  .rkh__row,.msg{grid-template-columns:1fr}
  .rkh__row--rev .rkh__media{order:0}
  .svc{grid-template-columns:1fr}
  .office__row{grid-template-columns:140px 1fr;gap:1rem}
  .ft__grid{grid-template-columns:1fr;gap:2.6rem}
  .msg__media{max-width:340px}
}
@media (max-width:560px){
  .office__row{grid-template-columns:1fr;gap:.25rem}
  .office dt{color:var(--sakura-deep)}
  .ft__nav{grid-template-columns:1fr}
  .ft__bottom{flex-direction:column;gap:.4rem}
}

/* ====== images / media ====== */
.sec > .wrap{position:relative;z-index:1}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% 38%}
.hero__media::after{background:
  linear-gradient(102deg, rgba(244,238,230,.95) 0%, rgba(244,238,230,.68) 24%, rgba(244,238,230,.16) 50%, rgba(244,238,230,0) 72%),
  linear-gradient(to top, rgba(244,238,230,.92) 0%, rgba(244,238,230,.12) 42%, rgba(244,238,230,0) 62%)}
.rkh__img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r);border:1px solid var(--line);display:block}
.secbg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center}
.sec--ink.has-bg .secbg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(20,16,13,.66), rgba(20,16,13,.5))}
.scene{position:relative;height:clamp(320px,46vh,560px);overflow:hidden;background:var(--paper-2)}
.scene__bg{position:absolute;left:0;right:0;top:-12%;height:124%;background-size:cover;background-position:center 60%;will-change:transform}
@media (prefers-reduced-motion:reduce){ .scene__bg{top:0;height:100%;transform:none!important} }

.msg__img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 25%;border-radius:var(--r);border:1px solid var(--line);display:block}