/* =========================================================
   ABOUT — 3 variants (A: Flow / B: Manifesto / C: Navy Split)
   ========================================================= */
.about-intro{position:relative}
.ab-steps{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);position:relative;margin-top:96px}
.ab-steps::before{content:"";position:absolute;left:0;right:0;top:7px;height:1px;background:var(--line)}
.ab-steps::after{content:"";position:absolute;left:0;top:7px;height:1px;width:100%;background:var(--navy);transform:scaleX(0);transform-origin:left;transition:transform 2.4s var(--ease) .3s}
.ab-steps.in::after{transform:scaleX(1)}
.ab-steps li{position:relative;padding:34px 18px 0 0}
.ab-steps li::before{content:"";position:absolute;left:0;top:0;width:15px;height:15px;border-radius:50%;background:#fff;border:1px solid var(--bluegray-2);transition:background .5s,border-color .5s,box-shadow .5s;transition-delay:calc(.3s + var(--i)*.42s)}
.ab-steps.in li::before{background:var(--navy);border-color:var(--navy);box-shadow:0 0 0 6px rgba(62,95,138,.12)}
.ab-steps .n{font-family:var(--latin);font-size:11px;letter-spacing:.28em;color:var(--bluegray)}
.ab-steps .j{font-size:15px;font-weight:700;color:var(--navy);margin-top:6px;letter-spacing:.04em;line-height:1.6}
.ab-steps .e{font-family:var(--latin);font-size:10.5px;letter-spacing:.22em;color:var(--bluegray-2);margin-top:4px}
.ab-steps li{opacity:0;transform:translateY(14px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:calc(.3s + var(--i)*.42s)}
.ab-steps.in li{opacity:1;transform:none}

/* ---------- A: FLOW (refined current) ---------- */
.ab-a{padding:160px 0 40px}
.ab-a .about-grid{grid-template-columns:1.3fr 1fr;gap:64px}
.ab-a .about-grid h2{font-size:clamp(26px,2.8vw,40px)}
/* 日本語の改行を文節単位に */
.about-intro h2,.about-intro p,.ab-steps .j{word-break:auto-phrase;overflow-wrap:anywhere;line-break:strict}
.about-intro h2 .ln>span{word-break:keep-all;overflow-wrap:anywhere}

/* ---------- E: EDITORIAL (Japan / Korea photos + flow) ---------- */
.ab-e{padding:150px 0 170px;overflow:hidden;
  background:linear-gradient(180deg,#EAF1F9 0%,#F6F9FC 22%,#fff 48%)}
/* HERO → ABOUT: 写真の空の色を受け、白へ溶かす */
.ab-e::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(141,182,226,.55) 30%,rgba(141,182,226,.55) 70%,transparent)}
.abe-flow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:0}
.abe-flow .rb{opacity:0;transition:opacity 2.4s var(--ease) .2s}
.abe-flow .ln path{stroke-width:1.1;opacity:.55;stroke-dasharray:2200;stroke-dashoffset:2200;transition:stroke-dashoffset 3.2s var(--ease)}
.abe-flow .ln path:nth-child(2){transition-delay:.15s;opacity:.4}
.abe-flow .ln path:nth-child(3){transition-delay:.3s;opacity:.3}
.abe-flow .ln path:nth-child(4){transition-delay:.6s;opacity:.35}
.abe-flow .ln path:nth-child(5){transition-delay:.75s;opacity:.25}
.ab-e.in .abe-flow .rb{opacity:.22}
.ab-e.in .abe-flow .ln path{stroke-dashoffset:0}
.abe-flow .ln{animation:abeDrift 14s ease-in-out infinite alternate}
@keyframes abeDrift{to{transform:translateY(-14px)}}

.abe-grid{position:relative;z-index:1;display:grid;grid-template-columns:45fr 55fr;gap:clamp(40px,5vw,88px);align-items:center}
.abe-lbl{display:flex;flex-direction:column;gap:8px;margin-bottom:44px}
.abe-lbl .k{display:flex;align-items:center;gap:14px;font-family:var(--latin);font-size:12px;letter-spacing:.34em;color:var(--navy);font-weight:500}
.abe-lbl .k::before{content:"";width:36px;height:1px;background:currentColor}
.abe-lbl .e{font-family:var(--latin);font-size:10.5px;letter-spacing:.32em;color:var(--bluegray-2);padding-left:50px}
.ab-e h2{font-size:clamp(23px,2.15vw,32px);font-weight:500;line-height:1.78;letter-spacing:.06em;color:var(--navy)}
.abe-en{margin-top:30px;font-family:var(--latin);font-size:11px;line-height:2;letter-spacing:.26em;color:var(--accent)}
.abe-body{margin-top:34px;max-width:30em;font-size:15px;line-height:2.25;letter-spacing:.04em;color:#3B4866}
.abe-cta{margin-top:44px}
.btn-outline{display:inline-flex;align-items:center;gap:16px;padding:13px 26px;border:1px solid var(--navy);border-radius:999px;font-family:var(--latin);font-size:11.5px;letter-spacing:.24em;color:var(--navy);transition:background .4s,color .4s}
.btn-outline .ar{transition:transform .4s var(--ease)}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-outline:hover .ar{transform:translateX(6px)}

/* visual */
.abe-vis{position:relative;height:clamp(460px,46vw,640px);--px:0}
.abe-vis .ph{position:absolute;margin:0}
.abe-vis .im{overflow:hidden;width:100%;height:100%;background:var(--pale-2);
  clip-path:inset(100% 0 0 0);transition:clip-path 1.6s var(--ease)}
.abe-vis img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 2.4s var(--ease)}
.abe-vis.in .im{clip-path:inset(0 0 0 0)}
.abe-vis.in img{transform:scale(1.02)}
.abe-vis .ph.jp{left:0;top:0;width:56%;height:78%;transform:translateY(calc(var(--px) * 24px))}
.abe-vis .ph.jp img{object-position:50% 40%}
.abe-vis .ph.kr{right:0;bottom:0;width:47%;height:66%;z-index:2;transform:translateY(calc(var(--px) * -30px))}
.abe-vis .ph.kr .im{transition-delay:.35s;box-shadow:0 30px 60px -30px rgba(10,22,64,.35)}
.abe-vis .ph.kr img{transition-delay:.35s;object-position:46% 50%}
.abe-vis figcaption{position:absolute;font-family:var(--latin);font-size:10px;letter-spacing:.32em;color:var(--bluegray);white-space:nowrap}
.abe-vis .jp figcaption{left:0;top:calc(100% + 14px)}
.abe-vis .kr figcaption{right:0;top:-26px}
.abe-vis .hw{position:absolute;z-index:3;font-family:"Mrs Saint Delafield","Allura",cursive;font-size:clamp(44px,4.2vw,64px);line-height:1;color:var(--navy);opacity:0;transform:translateY(10px);transition:opacity 1.4s var(--ease) 1.1s,transform 1.4s var(--ease) 1.1s;pointer-events:none}
.abe-vis .hw-jp{left:44%;top:7%;color:#fff;text-shadow:0 2px 18px rgba(10,22,64,.35)}
.abe-vis .hw-kr{right:4%;bottom:-6%}
.abe-vis.in .hw{opacity:.9;transform:none}
.abe-vis.in .hw-jp{opacity:.95}
.abe-circle{position:absolute;z-index:4;left:calc(53% - 58px);bottom:12%;width:116px;height:116px;border-radius:50%;
  background:rgba(255,255,255,.86);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(141,182,226,.55);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  font-family:var(--latin);font-size:8.5px;letter-spacing:.28em;color:var(--navy);padding-left:.28em;
  opacity:0;transform:scale(.85);transition:opacity 1s var(--ease) 1.4s,transform 1s var(--ease) 1.4s}
.abe-circle i{width:12px;height:1px;background:var(--bluegray-2)}
.abe-vis.in .abe-circle{opacity:1;transform:none}

@media (max-width:960px){
  .ab-e{padding:110px 0 120px}
  .abe-grid{grid-template-columns:1fr;gap:64px}
  .abe-vis{height:min(116vw,560px)}
  .abe-vis .ph.jp{width:64%;height:72%}
  .abe-vis .ph.kr{width:56%;height:60%}
  .abe-circle{width:96px;height:96px;font-size:7.5px;left:calc(50% - 60px)}
}

/* ---------- B: MANIFESTO ---------- */
.ab-b{padding:180px 0 60px;background:var(--pale)}
.ab-b .wrap{max-width:1080px}
.ab-b .eyebrow{justify-content:center}
.ab-b .eyebrow::after{content:"";width:36px;height:1px;background:currentColor}
.ab-b h2{text-align:center;font-size:clamp(30px,4vw,58px);font-weight:500;line-height:1.6;letter-spacing:.06em;color:var(--navy)}
.ab-b .mani{margin:64px auto 0;max-width:880px;text-align:center;font-size:clamp(18px,1.6vw,23px);line-height:2.2;letter-spacing:.06em;font-weight:500}
.ab-b .mani .c{color:#C3CCDA;transition:color .35s}
.ab-b .mani .c.on{color:var(--navy)}
.ab-b .ab-steps{margin-top:110px}
.ab-b .ab-steps li{text-align:center;padding:34px 8px 0}
.ab-b .ab-steps li::before{left:50%;margin-left:-7.5px;background:var(--pale)}

/* ---------- C: NAVY SPLIT ---------- */
.ab-c{padding:150px 0 130px;background:var(--navy);color:#fff;overflow:hidden}
.ab-c .eyebrow{color:var(--bluegray-2)}.ab-c .eyebrow .no{color:#fff}
.ab-c .cgrid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.ab-c .nums{position:relative;display:flex;align-items:baseline;gap:.08em;font-family:var(--serif);font-size:clamp(120px,16vw,240px);line-height:.9;letter-spacing:-.01em}
.ab-c .nums .d{display:inline-block;transition:transform 1.6s var(--ease),opacity 1.6s var(--ease)}
.ab-c .nums .d81{transform:translateX(-40%);opacity:0}
.ab-c .nums .d82{transform:translateX(40%);opacity:0}
.ab-c .nums .sl{display:inline-block;color:var(--bluegray-2);transform:scaleY(0);transition:transform 1s var(--ease) 1s}
.ab-c .nums.in .d{transform:none;opacity:1}
.ab-c .nums.in .sl{transform:scaleY(1)}
.ab-c .legend{display:flex;justify-content:space-between;max-width:560px;margin-top:22px;font-family:var(--latin);font-size:11px;letter-spacing:.3em;color:var(--bluegray-2)}
.ab-c h2{font-size:clamp(24px,2.3vw,34px);font-weight:500;line-height:1.75;letter-spacing:.05em}
.ab-c p{margin-top:32px;font-size:15.5px;line-height:2.2;color:#C9D2E1}
.ab-c .ab-steps::before{background:rgba(255,255,255,.18)}
.ab-c .ab-steps::after{background:#fff}
.ab-c .ab-steps li::before{background:var(--navy);border-color:rgba(255,255,255,.4)}
.ab-c .ab-steps.in li::before{background:#fff;border-color:#fff;box-shadow:0 0 0 6px rgba(255,255,255,.1)}
.ab-c .ab-steps .j{color:#fff}
.ab-c .ab-steps .n{color:var(--bluegray-2)}
.ab-c .ab-steps .e{color:#6F80A0}
.ab-c .ab-steps{margin-top:110px}

/* ---------- Tweaks panel ---------- */
.tw{position:fixed;right:20px;bottom:20px;z-index:200;width:290px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 24px 60px -20px rgba(10,22,64,.35);padding:18px 18px 20px;font-family:var(--sans);display:none}
.tw.show{display:block}
.tw h4{display:flex;justify-content:space-between;align-items:center;font-family:var(--latin);font-size:12px;letter-spacing:.24em;color:var(--navy);font-weight:500;margin-bottom:14px}
.tw h4 button{font-size:16px;color:var(--bluegray)}
.tw .lb{font-size:11px;color:var(--bluegray);letter-spacing:.08em;margin:12px 0 6px}
.tw .seg{display:grid;gap:4px;background:var(--pale);border-radius:8px;padding:3px}
.tw .seg.c3{grid-template-columns:repeat(3,1fr)}
.tw .seg.c2{grid-template-columns:repeat(2,1fr)}
.tw .seg button{font-size:12px;padding:7px 4px;border-radius:6px;color:var(--navy);line-height:1.3}
.tw .seg button.on{background:#fff;box-shadow:0 1px 3px rgba(10,22,64,.15);font-weight:700}
.tw .replay{margin-top:14px;width:100%;font-size:12px;letter-spacing:.1em;padding:9px;border:1px solid var(--navy);border-radius:999px;color:var(--navy)}
.tw .replay:hover{background:var(--navy);color:#fff}

@media (max-width:960px){
  .ab-steps{grid-template-columns:1fr;gap:0;margin-top:64px}
  .ab-steps::before,.ab-steps::after{left:7px;right:auto;top:0;bottom:0;width:1px;height:auto}
  .ab-steps::after{transform:scaleY(0);transform-origin:top}
  .ab-steps.in::after{transform:scaleY(1)}
  .ab-steps li,.ab-b .ab-steps li{padding:0 0 28px 40px;text-align:left}
  .ab-b .ab-steps li::before{left:0;margin-left:0}
  .ab-c .cgrid{grid-template-columns:1fr;gap:48px}
  .ab-a,.ab-b,.ab-c{padding:110px 0 60px}
}
@media (prefers-reduced-motion:reduce){
  .abe-vis .im,.abe-vis img,.abe-vis .hw,.abe-circle,.abe-flow .ln path,.abe-flow .rb{transition:none!important;animation:none!important}
  .ab-steps li,.ab-steps::after,.ab-c .nums .d,.ab-c .nums .sl{transition:none!important;opacity:1!important;transform:none!important}
}

/* HERO bottom → ABOUT pale-blue sky transition */
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:110px;z-index:2;pointer-events:none;
  background:linear-gradient(180deg,rgba(234,241,249,0) 0%,rgba(234,241,249,.55) 70%,#EAF1F9 100%)}