/* ============================================================
   LJ WEB DESIGN — shared stylesheet
   Concept: "設計図" (blueprint) — content drafted on a designer's grid
   ============================================================ */
:root{
  --ink:#0B0E13;          /* near-black base */
  --ink-2:#12161E;        /* raised panel */
  --ink-3:#1A2029;        /* border on dark */
  --paper:#F4F2EC;        /* warm off-white for light pages */
  --paper-2:#EAE7DE;
  --fog:#8A93A0;          /* muted text on dark */
  --fog-2:#5D6673;
  --line-d:rgba(255,255,255,.09);
  --line-l:#DDD9CE;
  --blue:#5B8BB0;         /* blueprint cyan-blue */
  --verd:#3FA089;         /* verdigris accent, used sparingly */
  --verd-deep:#2E7C6A;
  --white:#fff;
  --mincho:'Shippori Mincho',serif;
  --gothic:'Zen Kaku Gothic New',sans-serif;
  --disp:'Anton',sans-serif;      /* condensed display */
  --latin:'Manrope',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:var(--gothic);background:var(--ink);color:#E7E9EC;line-height:1.9;font-size:15.5px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
:focus-visible{outline:2px solid var(--verd);outline-offset:3px}
::selection{background:var(--verd);color:#fff}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.wrap-narrow{max-width:900px;margin:0 auto;padding:0 32px}

/* ---- blueprint grid background utility ---- */
.bp-grid{position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(91,139,176,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(91,139,176,.07) 1px,transparent 1px);
  background-size:64px 64px}
.bp-grid.mask{mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 78%)}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700;letter-spacing:.06em;padding:16px 34px;font-size:14px;border:1px solid transparent;cursor:pointer;transition:all .3s cubic-bezier(.22,1,.36,1);position:relative;overflow:hidden}
.btn .arw{font-family:var(--latin);transition:transform .3s}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--verd);color:#04120E}
.btn-primary::after{content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-20deg);transition:left .6s ease}
.btn-primary:hover::after{left:130%}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}

/* ---- eyebrow / section head ---- */
.eyebrow{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.32em;text-transform:uppercase;color:var(--verd);display:flex;align-items:center;gap:14px;margin-bottom:24px}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--verd)}
.eyebrow .idx{color:var(--fog-2);font-weight:700}
.sec-title{font-family:var(--mincho);font-weight:700;font-size:clamp(28px,4.4vw,46px);line-height:1.42;letter-spacing:.03em;color:#fff}
.sec-lead{color:var(--fog);max-width:600px;margin-top:20px}

/* ============ HEADER ============ */
header{position:fixed;top:0;left:0;right:0;z-index:200;background:rgba(11,14,19,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-d)}
.hd-in{max-width:1280px;margin:0 auto;padding:0 32px;height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:38px;height:38px;border-radius:9px}
.brand .bt{line-height:1.15}
.brand .bt b{font-family:var(--latin);font-weight:800;letter-spacing:.14em;font-size:15px;color:#fff;display:block}
.brand .bt small{font-family:var(--latin);font-weight:600;font-size:9px;letter-spacing:.24em;color:var(--fog)}
nav.gnav{display:flex;gap:32px;font-size:13px;font-weight:600;letter-spacing:.04em}
nav.gnav a{position:relative;padding:6px 0;color:#C6CBD2;transition:color .25s}
nav.gnav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--verd);transition:width .3s}
nav.gnav a:hover,nav.gnav a.active{color:#fff}
nav.gnav a.active::after,nav.gnav a:hover::after{width:100%}
.hd-cta{font-size:12.5px;padding:11px 22px}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px;position:relative}
.menu-btn::before{content:"";position:absolute;inset:-10px}
.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0;transition:.3s}
@media(max-width:920px){
  nav.gnav,.hd-cta{display:none}
  .menu-btn{display:block}
  .mnav{position:fixed;inset:72px 0 auto 0;background:var(--ink-2);border-bottom:1px solid var(--line-d);padding:16px 32px 28px;display:none;flex-direction:column;gap:2px;z-index:199}
  .mnav.open{display:flex}
  .mnav a{padding:14px 4px;border-bottom:1px solid var(--line-d);font-weight:600;color:#D5D9DF}
  .mnav .btn{margin-top:18px;border-bottom:none}
}
@media(min-width:921px){.mnav{display:none!important}}

/* ============ PAGE HERO (sub pages) ============ */
.phero{position:relative;padding:150px 0 70px;border-bottom:1px solid var(--line-d);overflow:hidden}
.phero .bp-grid{opacity:.9}
.phero-in{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;flex-wrap:wrap}
.phero-tag{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.3em;color:var(--verd);margin-bottom:20px;display:flex;align-items:center;gap:12px}
.phero-tag::before{content:"";width:26px;height:1px;background:var(--verd)}
.phero h1{font-family:var(--disp);font-weight:400;font-size:clamp(52px,11vw,140px);line-height:.9;letter-spacing:.01em;color:#fff;text-transform:uppercase}
.phero .jp{font-family:var(--mincho);font-weight:700;font-size:clamp(18px,2.4vw,26px);color:#C6CBD2;letter-spacing:.08em;margin-top:20px}
.phero .coord{font-family:var(--latin);font-size:10.5px;letter-spacing:.18em;color:var(--fog-2);text-align:right;line-height:2}
.phero .coord b{color:var(--blue)}

/* ===== サブページ ファーストビュー：スマホ上質版 ===== */
@media(max-width:640px){
  .phero{padding:128px 0 52px;min-height:auto;display:flex;align-items:center}
  .phero .bp-grid{opacity:1}
  .phero-in{flex-direction:column;align-items:flex-start;gap:0;width:100%}
  .phero-tag{margin-bottom:20px}
  /* 縦のアクセント線 + 見出し(画面に余裕を持たせる) */
  .phero h1{font-size:clamp(46px,13.5vw,68px);line-height:.9;position:relative;padding-left:18px;word-break:keep-all}
  .phero h1::before{content:"";position:absolute;left:0;top:8%;bottom:8%;width:3px;background:linear-gradient(var(--verd),transparent)}
  .phero .jp{font-size:18px;margin-top:22px;line-height:1.8;letter-spacing:.04em;padding-left:18px;border-left:1px solid var(--line-d);margin-left:0}
  /* 座標をスマホでも表示（下部・左寄せ） */
  .phero .coord{display:block;text-align:left;margin-top:28px;padding-left:18px;font-size:9.5px;letter-spacing:.16em;color:var(--fog-2);line-height:2.2}
  .phero .coord b{color:var(--blue)}
}
@media(min-width:641px){.phero .coord{display:block}}

/* ---- reveal ---- */
.rv{opacity:0;transform:translateY(30px);transition:opacity .85s cubic-bezier(.22,1,.36,1),transform .85s cubic-bezier(.22,1,.36,1)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ============ FOOTER ============ */
footer{background:#07090D;border-top:1px solid var(--line-d);padding:80px 0 36px;position:relative;overflow:hidden}
footer .bp-grid{opacity:.5}
.ft-top{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:56px;border-bottom:1px solid var(--line-d)}
.ft-brand img{width:46px;height:46px;border-radius:10px;margin-bottom:20px}
.ft-brand .fb-name{font-family:var(--latin);font-weight:800;letter-spacing:.14em;font-size:19px;color:#fff}
.ft-brand .fb-sub{font-family:var(--latin);font-weight:600;font-size:10px;letter-spacing:.24em;color:var(--fog);margin-top:2px}
.ft-brand p{color:var(--fog);font-size:13px;margin-top:20px;max-width:300px}
.ft-col h5{font-family:var(--latin);font-size:11px;font-weight:800;letter-spacing:.2em;color:var(--fog-2);margin-bottom:20px;text-transform:uppercase}
.ft-col a,.ft-col li{display:block;font-size:13.5px;color:#C6CBD2;padding:7px 0;transition:color .25s}
.ft-col a:hover{color:var(--verd)}
.ft-col li{color:var(--fog)}
.ft-col li b{color:#C6CBD2;font-weight:500;display:block;font-size:11px;letter-spacing:.1em;margin-bottom:1px}
.ft-bottom{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:28px}
.ft-bottom p{font-size:11px;color:var(--fog-2);letter-spacing:.05em}
.ft-cta{position:relative;z-index:2;padding:56px 0;text-align:center;border-bottom:1px solid var(--line-d);margin-bottom:0}
.ft-cta h3{font-family:var(--mincho);font-weight:700;font-size:clamp(24px,4vw,40px);color:#fff;letter-spacing:.04em;margin-bottom:14px;line-height:1.5}
.ft-cta p{color:var(--fog);margin-bottom:32px}
@media(max-width:820px){
  .ft-top{grid-template-columns:1fr 1fr;gap:32px}
  .ft-brand{grid-column:1/-1}
}
@media(max-width:520px){.ft-top{grid-template-columns:1fr}}

/* ============ shared section paddings ============ */
.section{padding:120px 0;position:relative}
.section-lite{background:var(--paper);color:var(--ink)}
.section-lite .sec-title{color:var(--ink)}
.section-lite .sec-lead{color:#55606E}
.section-lite .eyebrow{color:var(--verd-deep)}
.section-lite .eyebrow::before{background:var(--verd-deep)}
.section-lite .eyebrow .idx{color:#A9A395}

/* ============================================================
   日本語の改行を自然な文節区切りに(単語の途中で切らない)
   ============================================================ */
.sec-title, .sec-lead, .hero-lead, .hero-sub,
.lead, .creed-text, .phero .jp,
.svc-intro .lead, .am-body p, .price-intro .lead,
.cm-left .lead, .support .stx, .prob-answer,
.reason p, .work-body .wlead, .wb .wlead, .vc p,
h1, .plan .pnote{
  word-break: keep-all;
  overflow-wrap: break-word;
  line-break: strict;
}
/* 対応ブラウザでは文節単位で改行(さらに自然に) */
@supports (word-break: auto-phrase){
  .sec-title, .sec-lead, .hero-lead, .hero-sub,
  .lead, .creed-text, .svc-intro .lead, .am-body p,
  .price-intro .lead, .cm-left .lead, .support .stx,
  .reason p, .wlead, .vc p, .plan .pnote{
    word-break: auto-phrase;
  }
}

/* 意味の切れ目の改行:広い画面では改行、狭い画面では詰める */
.brk{display:none}
@media(min-width:700px){.brk{display:inline}}

/* スマホでの横はみ出し防止(安全策):
   word-break:keep-all は端末のSafariバージョンによって長い文が折り返されず
   右側にはみ出す(横スクロールが発生する)ことがあるため、狭い画面では
   overflow-wrap:anywhere に切り替えて必ず折り返されるようにする */
@media(max-width:640px){
  .sec-title, .sec-lead, .hero-lead, .hero-sub,
  .lead, .creed-text, .phero .jp,
  .svc-intro .lead, .am-body p, .price-intro .lead,
  .cm-left .lead, .support .stx, .prob-answer,
  .reason p, .work-body .wlead, .wb .wlead, .vc p,
  h1, .plan .pnote{
    word-break: normal;
    overflow-wrap: anywhere;
  }
}

/* ============================================================
   スマホ最適化(〜640px)— 全ページ共通の詰め・可読性調整
   ============================================================ */
@media(max-width:640px){
  /* セクション余白 */
  .section{padding:78px 0}
  /* 左右余白をゆったり確保(窮屈さ解消) */
  .wrap{padding:0 26px}
  .wrap-narrow{padding:0 26px}

  /* 本文の行間をゆったりに */
  body{line-height:2.0}
  .sec-lead{margin-top:18px;line-height:2.0}
  .sec-title{line-height:1.5}

  /* 見出しと本文の間に余白 */
  .eyebrow{margin-bottom:20px}
}
@media(max-width:400px){
  .phero h1{font-size:clamp(42px,13vw,58px)}
  .wrap,.wrap-narrow{padding:0 22px}
}

/* ============================================================
   上質な動き(A案)— パララックス / テキスト流れ込み /
   ページ遷移フェード / スクロール進捗
   ============================================================ */

/* ④ スクロール進捗バー(最上部) */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--verd),var(--blue));z-index:300;transition:width .1s linear;pointer-events:none}

/* ③ ページ遷移フェード */
.page-fade{position:fixed;inset:0;background:var(--ink);z-index:400;pointer-events:none;opacity:1;transition:opacity .6s ease}
body.loaded .page-fade{opacity:0}
body.leaving .page-fade{opacity:1;transition:opacity .35s ease}

/* ② テキスト流れ込み(1行ずつ) */
.reveal-lines .line{display:block;overflow:hidden}
.reveal-lines .line > span{display:block;transform:translateY(110%);transition:transform .9s cubic-bezier(.16,1,.3,1)}
.reveal-lines.in .line > span{transform:translateY(0)}
.reveal-lines.in .line:nth-child(2) > span{transition-delay:.08s}
.reveal-lines.in .line:nth-child(3) > span{transition-delay:.16s}
.reveal-lines.in .line:nth-child(4) > span{transition-delay:.24s}

/* 単語/フレーズのフェードアップ(見出し用の軽い版) */
.reveal-up{opacity:0;transform:translateY(20px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1)}
.reveal-up.in{opacity:1;transform:none}

/* ① パララックス(スクロールで背景要素がゆっくり移動) */
.parallax{will-change:transform}

/* reduce-motion 尊重:すべて無効化 */
@media(prefers-reduced-motion:reduce){
  .scroll-progress,.page-fade{display:none}
  .reveal-lines .line > span{transform:none!important}
  .reveal-up{opacity:1!important;transform:none!important}
  .parallax{transform:none!important}
}

/* スマホ専用の改行(PCでは無効) */
.sp-br{display:none}
@media(max-width:640px){.sp-br{display:inline}}

/* ============================================================
   Sticky mobile CTA bar (追従CTA — モバイルのみ)
   ============================================================ */
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  grid-template-columns:1fr 1fr;gap:10px;
  background:rgba(11,14,19,.90);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line-d);
  padding:10px 14px calc(10px + env(safe-area-inset-bottom,0px));
  box-shadow:0 -14px 30px -18px rgba(0,0,0,.8)}
.mcta a{display:flex;align-items:center;justify-content:center;gap:7px;
  height:50px;border-radius:9px;font-family:var(--gothic);font-weight:700;
  font-size:14.5px;letter-spacing:.04em;line-height:1;transition:transform .2s,opacity .2s}
.mcta a:active{transform:scale(.97);opacity:.9}
.mcta a.p{background:var(--verd);color:#04120E}
.mcta a.g{color:#fff;border:1px solid var(--line-d);background:rgba(255,255,255,.03)}
.mcta a.g svg{opacity:.9}
@media(max-width:820px){
  .mcta{display:grid}
  body{padding-bottom:78px}
}

/* ============================================================
   モバイル総合ブラッシュアップ(PC表示は一切変更しない)
   ============================================================ */
@media(max-width:640px){
  /* ざらつき防止:横方向の意図しないはみ出しを根本で遮断 */
  html{overflow-x:hidden}

  /* 下部CTAの余白を引き締め、見出しを流動化 */
  .ft-cta{padding:46px 0}
  .ft-cta h3{font-size:clamp(22px,6.2vw,30px);line-height:1.5}
  .ft-cta p{margin-bottom:26px;font-size:14px;line-height:1.9}

  /* フッター:間隔と可読性、タップ領域を拡大 */
  footer{padding:60px 0 30px}
  .ft-top{gap:26px;padding-bottom:38px}
  .ft-brand p{font-size:13px;line-height:1.95;max-width:none}
  .ft-col h5{margin-bottom:12px}
  .ft-col a,.ft-col li{padding:10px 0;font-size:14px}
  .ft-bottom{flex-direction:column;align-items:flex-start;gap:10px;padding-top:22px}

  /* 見出し下のリード文をゆったり */
  .sec-lead{line-height:2.0}

  /* ボタンはタップしやすい高さと横幅感を確保 */
  .btn{min-height:50px}
}

/* 追従CTAをより上質に(モバイル / タブレット) */
@media(max-width:820px){
  .mcta{
    background:linear-gradient(to top,rgba(11,14,19,.97) 60%,rgba(11,14,19,.78));
    border-top:1px solid rgba(63,160,137,.30);
    box-shadow:0 -16px 34px -20px rgba(0,0,0,.85);
  }
  .mcta a.p{box-shadow:0 6px 20px -9px rgba(63,160,137,.65)}
  .mcta a{font-size:14px;letter-spacing:.05em}
}