/* ===========================================================
   ICHISOU CO., LTD. — Corporate
   Concept: 一 — a single horizontal stroke that glows.
   Daylight sibling to Puriluna's midnight (#04060f).
   =========================================================== */

:root{
  /* --- ground: cool mineral white, not warm paper --- */
  --paper:#edeff2;
  --paper-2:#e4e7ec;
  --card:#f8f9fb;

  /* --- ink: shares Puriluna's midnight undertone --- */
  --ink:#0b0f1a;
  --ink-2:#4c5872;
  --ink-3:#5d6780;          /* 4.9:1 on paper — AA for the micro-type */

  --line:#c5cbd8;
  --line-soft:#d7dbe4;

  /* --- the brand accent, taken from the logo (#E5005A) ---
     --glow      text on light ground (5.28:1 on paper, AA)
     --glow-line rules and underlines on light ground (brand magenta)
     --glow-lit  bright tint, dark surfaces only (5.23:1 on ink) */
  --glow:#c4004d;
  --glow-line:#e5005a;
  --glow-lit:#ff5c93;
  --aqua:#2e7fae;

  --mono:"DM Mono","SFMono-Regular",Consolas,monospace;
  --serif:"Newsreader",Georgia,serif;          /* English body text */
  --display:"Cormorant Garamond",Georgia,serif; /* the English display voice */
  --mincho:"Shippori Mincho","Noto Serif JP",serif;
  --jp:"Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;

  --gut:clamp(20px,5vw,80px);
  --maxw:1240px;
  --railw:clamp(84px,13vw,196px);
  --ease:cubic-bezier(.22,.7,.28,1);
}

*,*::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(--jp);
  font-weight:300;
  font-size:15.5px;
  line-height:2.05;
  letter-spacing:.035em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"palt" 1;
}
html[lang="en"] body{
  font-family:var(--serif);
  font-weight:300;
  font-size:17px;
  line-height:1.75;
  letter-spacing:0;
  font-feature-settings:normal;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--glow);color:#fff}
:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:1px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:var(--paper);padding:.7rem 1.2rem;
  font-family:var(--mono);font-size:12px;
}
.skip:focus{left:0}

/* ===== shared micro-typography ========================== */
.tag{
  font-family:var(--mono);font-size:10.5px;font-weight:400;
  letter-spacing:.22em;text-transform:uppercase;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.lead{
  font-size:clamp(14.5px,1.15vw,16.5px);
  color:var(--ink-2);max-width:40rem;
}
html[lang="en"] .lead{max-width:38rem;line-height:1.8}

/* ===== masthead ========================================= */
.mast{
  position:fixed;top:0;left:0;right:0;z-index:90;
  display:flex;align-items:center;gap:1.5rem;
  padding:1rem var(--gut);
  border-bottom:1px solid transparent;
  transition:background-color .5s var(--ease),border-color .5s var(--ease);
}
body.has-banner .mast,
.mast.solid{
  background:rgba(237,239,242,.84);
  backdrop-filter:blur(16px) saturate(1.4);
  -webkit-backdrop-filter:blur(16px) saturate(1.4);
  border-bottom-color:var(--line-soft);
}
.mast-brand{display:flex;align-items:center;margin-right:auto}
.mast-logo{height:36px;width:auto}
@media (max-width:980px){.mast-logo{height:31px}}
@media (max-width:640px){.mast-logo{height:27px}}

.mast-nav{display:flex;gap:clamp(.9rem,2vw,1.9rem)}
.mast-nav a{
  font-family:var(--mincho);font-size:13px;letter-spacing:.1em;
  color:var(--ink-2);position:relative;padding-bottom:2px;
  transition:color .35s var(--ease);
}
html[lang="en"] .mast-nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
}
.mast-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--glow-line);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.mast-nav a:hover{color:var(--ink)}
.mast-nav a.on{color:var(--ink)}
.mast-nav a.on::after{transform:scaleX(1)}

.mast-lang{
  display:flex;align-items:center;gap:.42rem;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  padding-left:clamp(.9rem,2vw,1.6rem);
  border-left:1px solid var(--line-soft);
}
.mast-lang a{color:var(--ink-3);transition:color .3s var(--ease)}
.mast-lang a:hover{color:var(--ink)}
.mast-lang a[aria-current]{color:var(--ink)}
.mast-lang span{width:1px;height:11px;background:var(--line);display:block;flex:none}

.mast-burger{display:none;width:24px;height:13px;position:relative;border:0;background:none;cursor:pointer;flex:none;padding:0}
.mast-burger i{position:absolute;left:0;width:100%;height:1px;background:var(--ink);transition:transform .4s var(--ease)}
.mast-burger i:nth-child(1){top:0}
.mast-burger i:nth-child(2){top:100%}

@media (max-width:860px){
  .mast-burger{display:block;order:3}
  .mast-lang{order:2;border-left:0;padding-left:0}
  .mast-nav{
    position:fixed;inset:0;z-index:-1;
    flex-direction:column;justify-content:center;align-items:flex-start;
    gap:.4rem;padding:0 var(--gut);
    background:var(--paper);
    opacity:0;visibility:hidden;transition:opacity .4s var(--ease),visibility .4s;
  }
  .mast-nav a{font-size:22px;letter-spacing:.14em;padding:.5rem 0}
  html[lang="en"] .mast-nav a{font-size:17px}
  body.nav-open .mast-nav{opacity:1;visibility:visible}
  body.nav-open .mast-burger i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  body.nav-open .mast-burger i:nth-child(2){transform:translateY(-6.5px) rotate(-45deg)}
  body.nav-open{overflow:hidden}
}

/* ===== hero — the 一 ==================================== */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:8rem var(--gut) 4rem;
  overflow:hidden;
}
.hero-in{width:100%;max-width:var(--maxw);margin-inline:auto}
.hero-eyebrow{margin-bottom:clamp(3rem,11vh,7rem)}

/* the stroke and its glow */
.hero-stroke{position:relative;height:1px;margin-bottom:clamp(2.4rem,7vh,4.4rem)}
.hero-stroke::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,var(--line) 8%,var(--line) 92%,transparent);
}
.hero-stroke i{
  position:absolute;left:50%;top:0;height:1px;width:0;
  transform:translateX(-50%);
  background:linear-gradient(90deg,transparent,var(--glow-line) 20%,var(--glow) 50%,var(--glow-line) 80%,transparent);
  animation:draw 1.9s var(--ease) .35s forwards;
}
.hero-stroke b{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:min(70%,720px);height:190px;border-radius:50%;
  background:radial-gradient(ellipse at center,rgba(229,0,90,.17),rgba(229,0,90,.05) 42%,rgba(229,0,90,0) 68%);
  filter:blur(26px);opacity:0;
  animation:bloom 2.6s var(--ease) .8s forwards;
  pointer-events:none;
}
@keyframes draw{to{width:100%}}
@keyframes bloom{to{opacity:1}}

.hero-en{
  font-family:var(--display);font-weight:300;font-style:italic;
  font-size:clamp(35px,6.2vw,78px);line-height:1.02;letter-spacing:-.004em;
  color:var(--ink);
}
.hero-jp{
  margin-top:clamp(.9rem,2.2vh,1.5rem);
  font-family:var(--mincho);font-weight:600;
  font-size:clamp(17px,2.1vw,26px);letter-spacing:.22em;
}
html[lang="en"] .hero-jp{
  font-family:var(--mono);font-weight:400;
  font-size:clamp(11px,1.2vw,13px);letter-spacing:.3em;
  text-transform:uppercase;color:var(--ink-2);
}
.hero-lead{margin-top:clamp(1.6rem,4vh,2.6rem)}
.hero-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:1.6rem 2.4rem;
  margin-top:clamp(2.4rem,6vh,4rem);
}
.js .hero-anim>*{opacity:0;transform:translateY(14px);animation:rise .9s var(--ease) forwards}
.hero-anim>*:nth-child(1){animation-delay:.15s}
.hero-anim>*:nth-child(2){animation-delay:.3s}
.hero-anim>*:nth-child(3){animation-delay:1.25s}
.hero-anim>*:nth-child(4){animation-delay:1.4s}
.hero-anim>*:nth-child(5){animation-delay:1.55s}
.hero-anim>*:nth-child(6){animation-delay:1.7s}
@keyframes rise{to{opacity:1;transform:none}}

/* ===== buttons ========================================== */
.btn{
  display:inline-flex;align-items:center;gap:.7rem;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  padding:.85rem 1.5rem;border:1px solid var(--ink);color:var(--ink);
  background:transparent;cursor:pointer;
  transition:background-color .4s var(--ease),color .4s var(--ease),border-color .4s var(--ease);
}
.btn em{font-style:normal;transition:transform .4s var(--ease)}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn:hover em{transform:translateX(4px)}
.btn--ghost{border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}

.link{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-2);padding-bottom:3px;
  border-bottom:1px solid var(--line);
  transition:color .35s var(--ease),border-color .35s var(--ease);
}
.link em{font-style:normal;transition:transform .35s var(--ease)}
.link:hover{color:var(--ink);border-bottom-color:var(--glow-line)}
.link:hover em{transform:translateX(3px)}

/* ===== section frame: spec-sheet ruling ================= */
.sec{
  position:relative;
  max-width:var(--maxw);margin-inline:auto;
  padding:clamp(4.5rem,11vh,8.5rem) var(--gut);
  display:grid;grid-template-columns:var(--railw) minmax(0,1fr);
  gap:clamp(1.6rem,4vw,4.5rem);
}
.sec::before{
  content:"";position:absolute;top:0;left:var(--gut);right:var(--gut);height:1px;
  background:var(--line);transform-origin:left;
  transition:transform 1.3s var(--ease);
}
.js .sec::before{transform:scaleX(0)}
.js .sec.in::before{transform:scaleX(1)}

.sec-rail{position:sticky;top:96px;align-self:start;height:max-content}
.sec-idx{display:block;color:var(--ink-2)}
.sec-jp{
  display:block;margin-top:.5rem;
  font-family:var(--mincho);font-weight:600;font-size:14px;letter-spacing:.2em;
  color:var(--ink);
}
html[lang="en"] .sec-jp{
  font-family:var(--jp);font-weight:300;font-size:12px;letter-spacing:.1em;color:var(--ink-3);
}
@media (max-width:860px){
  .sec{grid-template-columns:1fr;gap:1.8rem}
  .sec-rail{position:static;display:flex;align-items:baseline;gap:.9rem}
  .sec-jp{margin-top:0}
}

.js .sec-body>*{
  opacity:0;transform:translateY(18px);
  transition:opacity .85s var(--ease),transform .85s var(--ease);
}
.js .sec.in .sec-body>*{opacity:1;transform:none}
.sec.in .sec-body>*:nth-child(2){transition-delay:.09s}
.sec.in .sec-body>*:nth-child(3){transition-delay:.18s}
.sec.in .sec-body>*:nth-child(4){transition-delay:.27s}
.sec.in .sec-body>*:nth-child(5){transition-delay:.36s}

/* ===== headings ========================================= */
.h-en{
  font-family:var(--display);font-weight:300;font-style:italic;
  font-size:clamp(30px,4.1vw,50px);line-height:1.1;letter-spacing:-.004em;
}
.h-jp{
  font-family:var(--mincho);font-weight:600;
  font-size:clamp(19px,2.4vw,30px);line-height:1.72;letter-spacing:.09em;
}
html[lang="en"] .h-jp{
  font-family:var(--serif);font-weight:400;font-style:normal;
  font-size:clamp(20px,2.4vw,29px);line-height:1.38;letter-spacing:-.005em;
}
.h-en + .h-jp{margin-top:1.1rem}
.h-jp + .lead,.h-en + .lead{margin-top:1.6rem}
.prose{color:var(--ink-2);max-width:44rem;font-size:15px}
.prose p + p{margin-top:1.5rem}
html[lang="en"] .prose{font-size:16.5px;line-height:1.82;max-width:40rem}
.prose b{font-weight:500;color:var(--ink)}

/* ===== axis: three values (parallel, not sequential) ==== */
.axis{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;margin-top:clamp(2.6rem,6vh,4rem);
  background:var(--line-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.axis-item{background:var(--paper);padding:1.7rem 1.5rem 1.9rem}
.axis-jp{
  font-family:var(--mincho);font-weight:600;font-size:19px;letter-spacing:.2em;
  display:block;
}
html[lang="en"] .axis-jp{font-family:var(--serif);font-weight:400;font-size:20px;letter-spacing:0}
.axis-en{display:block;margin-top:.35rem}
.axis-note{margin-top:.9rem;font-size:13px;line-height:1.95;color:var(--ink-2)}
html[lang="en"] .axis-note{font-size:14.5px;line-height:1.65}
@media (max-width:720px){
  .axis{grid-template-columns:1fr}
  .axis-item{padding:1.3rem 0}
}

/* ===== pillars: the two businesses ====================== */
.pillars{
  display:grid;gap:1px;background:var(--line-soft);
  border:1px solid var(--line-soft);
  margin-top:clamp(2.4rem,5vh,3.4rem);
}
@media (min-width:900px){.pillars{grid-template-columns:1fr 1fr}}
.pillar{background:var(--card);padding:clamp(1.6rem,3vw,2.6rem)}
.pillar-en{color:var(--ink-3)}
.pillar-jp{
  margin-top:.5rem;
  font-family:var(--mincho);font-weight:600;font-size:clamp(17px,1.9vw,21px);letter-spacing:.12em;
}
html[lang="en"] .pillar-jp{font-family:var(--serif);font-weight:400;letter-spacing:0;font-size:clamp(19px,2vw,23px)}
.pillar-desc{margin-top:1.1rem;font-size:14px;line-height:2;color:var(--ink-2)}
html[lang="en"] .pillar-desc{font-size:15.5px;line-height:1.72}

/* --- spec rows: back-of-bottle vernacular --- */
.spec{margin-top:1.7rem;border-top:1px solid var(--line-soft)}
.spec li{
  display:grid;grid-template-columns:minmax(0,1fr) auto;
  gap:.5rem 1.2rem;align-items:baseline;
  padding:.82rem 0;border-bottom:1px solid var(--line-soft);
}
.spec-k{font-family:var(--mincho);font-weight:600;font-size:13.5px;letter-spacing:.09em}
html[lang="en"] .spec-k{font-family:var(--serif);font-weight:400;font-size:15px;letter-spacing:0}
.spec-v{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;
  color:var(--ink-3);text-align:right;text-transform:uppercase;
}
.spec-note{
  grid-column:1/-1;font-size:12.5px;line-height:1.9;color:var(--ink-2);
}
html[lang="en"] .spec-note{font-size:14px;line-height:1.6}

/* ===== brand: Puriluna ================================== */
.brand{
  margin-top:clamp(2.4rem,5vh,3.4rem);
  border:1px solid var(--line-soft);background:var(--ink);color:#f2f3f8;
  display:grid;overflow:hidden;
}
@media (min-width:900px){.brand{grid-template-columns:1.05fr .95fr}}
.brand-body{padding:clamp(1.8rem,3.4vw,3.2rem);display:flex;flex-direction:column;gap:1.3rem}
.brand-logo{width:146px;height:auto}
.brand-tag{
  font-family:var(--mincho);font-weight:600;font-size:clamp(18px,2vw,24px);
  letter-spacing:.13em;line-height:1.7;
}
html[lang="en"] .brand-tag{font-family:var(--display);font-weight:400;font-style:italic;letter-spacing:0;line-height:1.2;font-size:clamp(21px,2.3vw,28px)}
.brand-desc{font-size:14px;line-height:2;color:#aab3c9}
html[lang="en"] .brand-desc{font-size:15.5px;line-height:1.72}
.brand-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.2rem}
.brand-list li{
  font-family:var(--mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:#98a2bc;border:1px solid rgba(155,167,198,.28);padding:.34rem .7rem;
}
.brand-links{display:flex;flex-wrap:wrap;gap:1.4rem;margin-top:auto;padding-top:.9rem}
.brand-links .link{color:#aab3c9;border-bottom-color:rgba(155,167,198,.34)}
.brand-links .link:hover{color:#fff;border-bottom-color:var(--glow-lit)}

.brand-shot{position:relative;min-height:280px;background:#04060f}
.brand-shot img{width:100%;height:100%;object-fit:cover;opacity:.94}
.brand-shot::after{
  content:"";position:absolute;left:0;right:0;top:0;bottom:0;
  background:radial-gradient(120% 90% at 50% 105%,rgba(121,198,239,.16),rgba(121,198,239,0) 62%);
}

/* ===== flow: a real sequence, so it is numbered ========= */
.flow{margin-top:clamp(2.4rem,5vh,3.4rem);border-top:1px solid var(--line-soft)}
.flow li{
  display:grid;grid-template-columns:2.6rem minmax(0,13rem) minmax(0,1fr);
  gap:.4rem 1.6rem;align-items:baseline;
  padding:1.25rem 0;border-bottom:1px solid var(--line-soft);
  transition:background-color .4s var(--ease);
}
.flow li:hover{background:var(--card)}
.flow-n{font-family:var(--mincho);font-weight:600;font-size:15px;color:var(--glow)}
html[lang="en"] .flow-n{font-family:var(--mono);font-weight:400;font-size:12px;letter-spacing:.1em}
.flow-t{font-family:var(--mincho);font-weight:600;font-size:15.5px;letter-spacing:.1em}
html[lang="en"] .flow-t{font-family:var(--serif);font-weight:400;font-size:17px;letter-spacing:0}
.flow-d{font-size:13.5px;line-height:1.95;color:var(--ink-2)}
html[lang="en"] .flow-d{font-size:15px;line-height:1.65}
@media (max-width:760px){
  .flow li{grid-template-columns:2.2rem minmax(0,1fr);gap:.35rem 1rem}
  .flow-d{grid-column:2}
}
.flow-foot{margin-top:1.4rem;font-size:12.5px;color:var(--ink-3);line-height:1.9}
html[lang="en"] .flow-foot{font-size:13.5px;line-height:1.6}

/* ===== the company spec panel — signature =============== */
.panel{
  margin-top:clamp(2.4rem,5vh,3.4rem);
  border:1px solid var(--ink);background:var(--card);
}
.panel-head{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.4rem 1rem;
  padding:.75rem 1.15rem;background:var(--ink);color:var(--paper);
}
.panel-head span{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase}
.panel-body{padding:.4rem 1.15rem 1.15rem}
.panel-row{
  display:grid;grid-template-columns:minmax(7.5rem,16%) minmax(0,1fr);
  gap:.3rem 1.6rem;padding:.95rem 0;border-bottom:1px dashed var(--line);
}
.panel-row:last-child{border-bottom:0}
.panel-row dt{align-self:start}
.panel-k{
  font-family:var(--mincho);font-weight:600;font-size:12.5px;letter-spacing:.15em;
  display:block;color:var(--ink);
}
html[lang="en"] .panel-k{font-family:var(--mono);font-weight:400;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2)}
.panel-k-en{
  display:block;font-family:var(--mono);font-size:9px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--ink-3);margin-top:.18rem;
}
html[lang="en"] .panel-k-en{font-family:var(--jp);font-size:10.5px;letter-spacing:.06em;text-transform:none}
.panel-v{font-size:13.5px;line-height:1.95;color:var(--ink)}
html[lang="en"] .panel-v{font-size:15px;line-height:1.62}
.panel-v small{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--ink-3);margin-top:.28rem}
html[lang="en"] .panel-v small{font-family:var(--jp);font-size:12px;letter-spacing:.04em}
.panel-v a{border-bottom:1px solid var(--line);transition:border-color .3s var(--ease)}
.panel-v a:hover{border-bottom-color:var(--glow-line)}
@media (max-width:640px){
  .panel-row{grid-template-columns:1fr;gap:.35rem}
}

/* ===== contact ========================================== */
.contact{display:grid;gap:clamp(2rem,4vw,3.4rem);margin-top:clamp(2.4rem,5vh,3.4rem)}
@media (min-width:900px){.contact{grid-template-columns:1.15fr .85fr}}

.form{display:grid;gap:1.35rem}
.field{display:grid;gap:.5rem}
.field > span{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-2);
  display:flex;align-items:center;gap:.5rem;
}
.field > span i{font-style:normal;color:var(--glow);font-size:11px}
.field input,.field select,.field textarea{
  width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:.6rem 0;font-family:inherit;font-size:14.5px;color:var(--ink);
  border-radius:0;transition:border-color .35s var(--ease);
}
.field select{
  appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 9px) 55%,calc(100% - 5px) 55%;
  background-size:4px 4px;background-repeat:no-repeat;padding-right:1.6rem;
}
.field textarea{resize:vertical;min-height:7.5rem;line-height:1.9}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-bottom-color:var(--glow-line)}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-3);opacity:.75}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.6rem;margin-top:.4rem}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.85;max-width:26rem}
html[lang="en"] .form-note{font-size:13px;line-height:1.55}

.info{display:grid;gap:1.6rem;align-content:start}
.info-block{border-top:1px solid var(--line-soft);padding-top:1rem}
.info-block h3{margin-bottom:.5rem}
.info-v{font-size:14px;line-height:1.95;color:var(--ink)}
html[lang="en"] .info-v{font-size:15px;line-height:1.6}
.info-v a{border-bottom:1px solid var(--line);transition:border-color .3s var(--ease)}
.info-v a:hover{border-bottom-color:var(--glow-line)}
.info-sub{font-size:12.5px;color:var(--ink-3);margin-top:.4rem;line-height:1.85}
html[lang="en"] .info-sub{font-size:13.5px;line-height:1.55}
.info-mail{
  font-family:var(--mono);font-size:clamp(14px,1.7vw,19px);letter-spacing:.03em;color:var(--ink);
  border-bottom:1px solid var(--line);display:inline-block;padding-bottom:3px;
  transition:border-color .35s var(--ease);
}
.info-mail:hover{border-bottom-color:var(--glow-line)}

/* ===== footer =========================================== */
.foot{
  border-top:1px solid var(--line);
  background:var(--paper-2);
  padding:clamp(3rem,7vh,5rem) var(--gut) 2rem;
}
.foot-in{max-width:var(--maxw);margin-inline:auto;display:grid;gap:2.4rem}
@media (min-width:820px){.foot-in{grid-template-columns:1.4fr 1fr 1fr}}
.foot-logo{width:clamp(178px,23vw,238px);height:auto}
.foot-tag{margin-top:1.1rem;font-size:12.5px;line-height:2;color:var(--ink-2);max-width:22rem}
html[lang="en"] .foot-tag{font-size:13.5px;line-height:1.65}
.foot h4{margin-bottom:.9rem}
.foot ul{display:grid;gap:.55rem}
.foot ul a{font-size:13px;color:var(--ink-2);transition:color .3s var(--ease)}
html[lang="en"] .foot ul a{font-size:14px}
.foot ul a:hover{color:var(--ink)}
.foot-bot{
  max-width:var(--maxw);margin:2.6rem auto 0;padding-top:1.3rem;
  border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.7rem 1.5rem;
}
.foot-legal{
  max-width:var(--maxw);margin:1.2rem auto 0;
  font-size:11px;line-height:1.95;color:var(--ink-3);
}
html[lang="en"] .foot-legal{font-size:12px;line-height:1.6}

/* ===== reduced motion =================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .hero-stroke i{animation:none;width:100%}
  .hero-stroke b{animation:none;opacity:1}
  .js .hero-anim>*{animation:none;opacity:1;transform:none}
  .js .sec::before,.js .sec.in::before{transition:none;transform:scaleX(1)}
  .js .sec-body>*{transition:none;opacity:1;transform:none}
}

/* ═══════════════════════════════════════════════════════════
   MULTI-PAGE COMPONENTS
   ═══════════════════════════════════════════════════════════ */

/* ===== page banner ====================================== */
.pbanner{
  position:relative;
  min-height:clamp(300px,46vh,460px);
  display:flex;align-items:flex-end;
  padding:7.5rem var(--gut) clamp(2.2rem,5vh,3.4rem);
  background:var(--ink);
  overflow:hidden;
  isolation:isolate;
}
/* The source photos are 600x600. Pinning them to the right half keeps the
   rendered size at roughly 1:1 with the source instead of a 2x upscale —
   the ink panel on the left is where the title lives anyway. */
.pbanner-img{
  position:absolute;right:0;top:0;height:100%;
  width:min(50%,620px);
  object-fit:cover;z-index:-2;
}
.pbanner-scrim{
  position:absolute;left:0;top:0;right:0;bottom:0;z-index:-1;
  background:
    linear-gradient(90deg,#0b0f1a 0%,#0b0f1a 47%,rgba(11,15,26,.74) 58%,rgba(11,15,26,.22) 78%,rgba(11,15,26,.12) 100%),
    linear-gradient(0deg,rgba(11,15,26,.55) 0%,rgba(11,15,26,0) 55%);
}
.pbanner--compose .pbanner-scrim{
  background:linear-gradient(96deg,rgba(11,15,26,.96) 0%,rgba(11,15,26,.72) 44%,rgba(11,15,26,.30) 78%,rgba(11,15,26,.30) 100%);
}
.pbanner-in{position:relative;width:100%;max-width:var(--maxw);margin-inline:auto;color:#f2f3f8}
/* Keep the title inside the ink panel so it never runs into the artwork.
   English titles are longer than the Japanese ones, so they wrap here. */
.pbanner-eyebrow,.pbanner-jp,.pbanner-en{max-width:min(100%,25rem)}
@media (min-width:1180px){
  .pbanner-eyebrow,.pbanner-jp,.pbanner-en{max-width:min(100%,30rem)}
}
@media (max-width:860px){
  .pbanner-eyebrow,.pbanner-jp,.pbanner-en{max-width:min(100%,32rem)}
}
.pbanner-eyebrow{color:#a7b1c8}
.pbanner-stroke{position:relative;height:1px;margin:1.35rem 0 1.5rem;max-width:min(100%,30rem)}
.pbanner-stroke i{
  position:absolute;left:0;top:0;height:1px;width:100%;
  background:linear-gradient(90deg,var(--glow-lit),rgba(255,92,147,.5) 46%,rgba(255,92,147,0));
  transform-origin:left;
}
.js .pbanner-stroke i{transform:scaleX(0);animation:drawL 1.5s var(--ease) .25s forwards}
@keyframes drawL{to{transform:scaleX(1)}}
.pbanner-jp{
  font-family:var(--mincho);font-weight:600;
  font-size:clamp(27px,4.4vw,50px);line-height:1.36;letter-spacing:.12em;
}
html[lang="en"] .pbanner-jp{
  font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.1;
  font-size:clamp(30px,5vw,58px);
}
.pbanner-en{
  margin-top:.7rem;
  font-family:var(--display);font-style:italic;font-weight:400;
  font-size:clamp(17px,1.85vw,25px);color:#c2cadd;
}
html[lang="en"] .pbanner-en{
  font-family:var(--mono);font-style:normal;
  font-size:clamp(11px,1.2vw,13px);letter-spacing:.22em;text-transform:uppercase;
}
.js .pbanner-in>*{opacity:0;transform:translateY(12px);animation:rise .85s var(--ease) forwards}
.js .pbanner-in>*:nth-child(1){animation-delay:.1s}
.js .pbanner-in>*:nth-child(2){animation-delay:.2s}
.js .pbanner-in>*:nth-child(3){animation-delay:.5s}
.js .pbanner-in>*:nth-child(4){animation-delay:.62s}

/* composed still-life banners */
.pbanner-stage{position:absolute;right:0;top:0;bottom:0;width:min(50%,640px);z-index:-2}
.pbanner-stage::before{
  content:"";position:absolute;left:6%;right:4%;top:52%;height:1px;
  background:linear-gradient(90deg,rgba(255,92,147,0),rgba(255,92,147,.55) 40%,rgba(255,92,147,0));
}
.pbanner-stage .pb-cut{
  position:absolute;bottom:-8%;width:auto;height:104%;
  filter:drop-shadow(0 26px 44px rgba(0,0,0,.5));
}
.pbanner-stage--line .pb-cut:nth-child(1){left:6%;height:96%;bottom:-6%}
.pbanner-stage--line .pb-cut:nth-child(2){left:33%;height:108%;bottom:-11%}
.pbanner-stage--line .pb-cut:nth-child(3){left:61%;height:88%;bottom:-3%}
.pbanner-stage--pair .pb-cut:nth-child(1){left:16%;height:100%;bottom:-7%}
.pbanner-stage--pair .pb-cut:nth-child(2){left:47%;height:92%;bottom:-3%}
@media (max-width:860px){
  /* narrow screens are below the source width, so full-bleed stays sharp */
  .pbanner-img{width:100%}
  .pbanner-stage{width:74%;opacity:.5}
  .pbanner-scrim,.pbanner--compose .pbanner-scrim{
    background:linear-gradient(0deg,rgba(11,15,26,.93) 12%,rgba(11,15,26,.62) 62%,rgba(11,15,26,.42) 100%);
  }
}

/* ===== home cards ======================================= */
.cards{
  display:grid;gap:1px;margin-top:clamp(2.4rem,5vh,3.4rem);
  background:var(--line-soft);border:1px solid var(--line-soft);
}
@media (min-width:820px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--card);display:flex;flex-direction:column;
  transition:background-color .4s var(--ease);
}
.card:hover{background:#fff}
.card-shot{display:block;position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.card-shot img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.card:hover .card-shot img{transform:scale(1.04)}
.card-shot--ink{
  background:linear-gradient(168deg,#111a35,#04060f 72%);
  display:flex;align-items:flex-end;justify-content:center;gap:5%;padding:0 12%;
}
.card-shot--ink .card-cut{
  width:auto;height:82%;object-fit:contain;
  filter:drop-shadow(0 14px 22px rgba(0,0,0,.55));
}
.card-shot--ink .card-cut:nth-child(2){height:92%}
.card:hover .card-shot--ink .card-cut{transform:none}
.card-body{display:flex;flex-direction:column;gap:.5rem;padding:1.5rem 1.5rem 1.7rem;flex:1}
.card-en{display:block}
.card-jp{
  display:block;font-family:var(--mincho);font-weight:600;
  font-size:clamp(17px,1.8vw,20px);letter-spacing:.12em;
}
html[lang="en"] .card-jp{
  font-family:var(--serif);font-weight:400;letter-spacing:0;font-size:clamp(19px,2vw,22px);
}
.card-note{display:block;font-size:13.5px;line-height:1.95;color:var(--ink-2)}
html[lang="en"] .card-note{font-size:15px;line-height:1.6}
.card-link{margin-top:auto;padding-top:1rem;align-self:flex-start}
.card:hover .card-link{color:var(--ink);border-bottom-color:var(--glow-line)}

/* ===== product tiles ==================================== */
.tiles{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;
  margin-top:clamp(2.4rem,5vh,3.4rem);
  background:var(--line-soft);border:1px solid var(--line-soft);
}
@media (min-width:760px){.tiles{grid-template-columns:repeat(4,1fr)}}
.tile{
  background:var(--card);padding:1.6rem 1.1rem 1.5rem;
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:.4rem;
}
.tile img{
  height:clamp(112px,15vw,168px);width:auto;object-fit:contain;margin-bottom:.9rem;
  transition:transform .6s var(--ease);
}
.tile:hover img{transform:translateY(-5px)}
.tile-jp{font-family:var(--mincho);font-weight:600;font-size:15px;letter-spacing:.14em}
html[lang="en"] .tile-jp{font-family:var(--serif);font-weight:400;font-size:16.5px;letter-spacing:0}
.tile-en{font-size:9.5px}
.tiles--ink{background:var(--ink);border-color:var(--ink)}
.tiles--ink .tile{background:linear-gradient(172deg,#101830,#05070f)}
.tiles--ink .tile-jp{color:#f2f3f8}
.tiles--ink .tile-en{color:#98a2bc}
.tiles--ink .tile img{filter:drop-shadow(0 16px 26px rgba(0,0,0,.6))}

/* ===== callout ========================================== */
.callout{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:1.6rem 2.4rem;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:clamp(1.8rem,4vh,2.8rem) 0;
}
.callout .btn{flex:none}

/* ===== FAQ ============================================== */
.qa{margin-top:clamp(2.2rem,5vh,3rem);border-top:1px solid var(--line-soft)}
.qa details{border-bottom:1px solid var(--line-soft)}
.qa summary{
  display:flex;align-items:baseline;gap:.9rem;cursor:pointer;list-style:none;
  padding:1.15rem 0;
  font-family:var(--mincho);font-weight:600;font-size:15px;letter-spacing:.09em;
}
html[lang="en"] .qa summary{font-family:var(--serif);font-weight:400;font-size:17px;letter-spacing:0}
.qa summary::-webkit-details-marker{display:none}
.qa summary::before{
  content:"＋";flex:none;color:var(--glow);font-size:13px;
  transition:transform .35s var(--ease);
}
html[lang="en"] .qa summary::before{content:"+";font-family:var(--mono)}
.qa details[open] summary::before{transform:rotate(45deg)}
.qa summary:hover{color:var(--ink)}
.qa details p{
  padding:0 0 1.3rem 1.9rem;margin:0;
  font-size:13.5px;line-height:2;color:var(--ink-2);max-width:44rem;
}
html[lang="en"] .qa details p{font-size:15px;line-height:1.7}

/* ===== info grid (company access) ======================= */
.info-grid{display:grid;gap:1.6rem;margin-top:clamp(2.4rem,5vh,3.4rem)}
@media (min-width:760px){.info-grid{grid-template-columns:repeat(3,1fr);gap:2.4rem}}

/* ===== pager ============================================ */
.pager{
  max-width:var(--maxw);margin-inline:auto;
  padding:0 var(--gut) clamp(3.5rem,8vh,6rem);
  display:grid;grid-template-columns:1fr 1fr;gap:1rem;
}
.pager-a{
  background:var(--paper);
  display:flex;flex-direction:column;gap:.4rem;
  padding:1.5rem 1.4rem;
  border:1px solid var(--line-soft);
  transition:background-color .4s var(--ease),border-color .4s var(--ease);
}
.pager-a--next{text-align:right;align-items:flex-end;grid-column:2}
.pager-a:hover{background:var(--card);border-color:var(--ink)}
.pager-t{font-family:var(--mincho);font-weight:600;font-size:15px;letter-spacing:.12em}
html[lang="en"] .pager-t{font-family:var(--serif);font-weight:400;font-size:17px;letter-spacing:0}
.pager-a--prev .pager-t::before{content:"← "}
.pager-a--next .pager-t::after{content:" →"}
@media (max-width:640px){
  .pager{grid-template-columns:1fr}
  .pager-a--next{grid-column:1}
}

/* ===== reduced motion (multi-page additions) ============ */
@media (prefers-reduced-motion:reduce){
  .js .pbanner-stroke i{animation:none;transform:scaleX(1)}
  .js .pbanner-in>*{animation:none;opacity:1;transform:none}
  .card-shot img,.tile img{transition:none}
  .card:hover .card-shot img,.tile:hover img{transform:none}
}

/* ===== recruitment page ================================= */

/* third composed-banner arrangement, distinct from line / pair */
.pbanner-stage--trio .pb-cut:nth-child(1){left:4%;height:92%;bottom:-4%}
.pbanner-stage--trio .pb-cut:nth-child(2){left:36%;height:104%;bottom:-9%}
.pbanner-stage--trio .pb-cut:nth-child(3){left:66%;height:84%;bottom:-1%}

/* at-a-glance chips */
.chips{
  display:flex;flex-wrap:wrap;gap:1px;
  margin-top:clamp(2rem,4vh,2.8rem);
  background:var(--line-soft);border:1px solid var(--line-soft);
}
.chips li{
  background:var(--card);
  padding:.85rem 1.15rem;
  display:flex;flex-direction:column;gap:.22rem;
  flex:1 1 auto;min-width:8.5rem;
}
.chips b{
  font-family:var(--mincho);font-weight:600;font-size:14.5px;letter-spacing:.08em;
  color:var(--ink);
}
html[lang="en"] .chips b{font-family:var(--serif);font-weight:400;font-size:16px;letter-spacing:0}

/* three duty columns */
.duties{
  display:grid;gap:1px;margin-top:clamp(2.2rem,5vh,3.2rem);
  background:var(--line-soft);border:1px solid var(--line-soft);
}
@media (min-width:880px){.duties{grid-template-columns:repeat(3,1fr)}}
.duty{background:var(--card);padding:clamp(1.5rem,2.6vw,2.1rem)}
.duty-en{color:var(--ink-3)}
.duty-jp{
  margin-top:.45rem;
  font-family:var(--mincho);font-weight:600;font-size:clamp(16px,1.8vw,19px);letter-spacing:.12em;
}
html[lang="en"] .duty-jp{font-family:var(--serif);font-weight:400;letter-spacing:0;font-size:clamp(18px,1.9vw,21px)}
.duty-note{
  margin-top:.4rem;padding-bottom:1rem;margin-bottom:1rem;
  border-bottom:1px solid var(--line-soft);
  font-size:12.5px;color:var(--ink-3);
}
html[lang="en"] .duty-note{font-size:13.5px}

/* dashed bullets, matching the spec-sheet language */
.bullets{display:grid;gap:.55rem}
.bullets li{
  position:relative;padding-left:1.15rem;
  font-size:13.5px;line-height:1.95;color:var(--ink-2);
}
html[lang="en"] .bullets li{font-size:15px;line-height:1.65}
.bullets li::before{
  content:"";position:absolute;left:0;top:.95em;
  width:7px;height:1px;background:var(--glow-line);
}
html[lang="en"] .bullets li::before{top:.8em}
.bullets b{font-weight:500;color:var(--ink)}

/* requirement blocks */
.reqs{display:grid;gap:1px;margin-top:clamp(2.2rem,5vh,3.2rem);
  background:var(--line-soft);border:1px solid var(--line-soft)}
@media (min-width:880px){.reqs{grid-template-columns:repeat(3,1fr)}}
.req{background:var(--card);padding:clamp(1.5rem,2.6vw,2.1rem)}
.req-h{
  display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;
  padding-bottom:1rem;margin-bottom:1.1rem;
  border-bottom:1px solid var(--line-soft);
  font-family:var(--mincho);font-weight:600;font-size:14.5px;letter-spacing:.1em;
}
html[lang="en"] .req-h{font-family:var(--serif);font-weight:400;font-size:16px;letter-spacing:0}
.req-mark{
  flex:none;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  padding:.28rem .6rem;
  background:var(--ink);color:var(--paper);
}
.req-mark--soft{background:transparent;color:var(--ink-2);border:1px solid var(--line)}

@media (prefers-reduced-motion:reduce){
  .chips li,.duty,.req{transition:none}
}

/* ═══════════════════════════════════════════════════════════
   MOTION — every effect here is the same idea as the mark:
   a line that fills, or content arriving along one.
   All of it is JS-driven and gated on .js, so a page without
   JavaScript renders complete and still.
   ═══════════════════════════════════════════════════════════ */

/* ---- 1. read progress: the 一, drawn by how far you have read ---- */
.prog{
  position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,var(--glow-line),var(--glow));
  transform:scaleX(var(--p,0));transform-origin:left;
  opacity:0;transition:opacity .45s var(--ease);
  pointer-events:none;
}
.mast.solid .prog{opacity:1}

/* ---- 2. the flow rail: a process is a line, so draw it ---- */
.js .flow{position:relative;padding-left:1.7rem}
@media (max-width:760px){.js .flow{padding-left:1.35rem}}
.flow-rail{
  position:absolute;left:.55rem;top:.5rem;bottom:.5rem;width:1px;
  background:var(--line-soft);
}
.flow-rail b{
  position:absolute;left:0;top:0;width:1px;height:100%;
  background:linear-gradient(180deg,var(--glow-line),var(--glow));
  transform:scaleY(var(--f,0));transform-origin:top;
}
/* numerals light up as the rail reaches them */
.js .flow-n{color:var(--ink-3);transition:color .5s var(--ease)}
.js .flow li.on .flow-n{color:var(--glow)}

/* ---- 3. banner photo drifts slower than the page ---- */
.js .pbanner--photo .pbanner-img{
  height:118%;top:-9%;
  will-change:transform;
}

/* ---- 4. hero stroke drifts and dims on the way out ---- */
.js .hero-stroke,.js .hero-in{will-change:transform,opacity}

/* ---- 5. grid children arrive one after another ----
   These containers opt out of the parent block fade so the two
   reveals do not compound. */
.js .sec-body > .stag{opacity:1;transform:none;transition:none}
.js .stag > *{
  opacity:0;transform:translateY(16px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.js .stag.in > *{opacity:1;transform:none}

/* ---- respect the setting ---- */
@media (prefers-reduced-motion:reduce){
  .prog{display:none}
  .flow-rail b{transform:scaleY(1)}
  .js .flow-n,.js .flow li .flow-n{color:var(--glow);transition:none}
  .js .pbanner--photo .pbanner-img{height:100%;top:0;transform:none!important}
  .js .hero-stroke,.js .hero-in{transform:none!important;opacity:1!important}
  .js .stag > *{opacity:1;transform:none;transition:none}
}