@charset "UTF-8";
/* =================================================================
   MY One Grid サービス紹介ページ
   style.css
   1. Tokens / 2. Base / 3. Utilities / 4. Header / 5. Hero
   6. Sections common / 7. Problem / 8. Solution / 9. Features
   10. Benefits / 11. Case Study / 12. FAQ / 13. Contact / 14. Footer
   15. Responsive
   ================================================================= */

/* ---------- 1. Tokens ---------- */
:root{
  /* light base */
  --ink:#0f2044; --ink2:#25396b; --muted:#5a6d92; --faint:#8a9ab8;
  --paper:#ffffff;
  --sky:#f2f8ff; --mist:#eef7fd; --aqua:#f0fbfb;
  --line:rgba(30,90,190,.13);
  /* accents */
  --brand:#1f6fe5; --brand2:#3f8bff; --brand-dk:#123a86;
  --cyan:#00b6d8; --cyan-lt:#5fd8ee;
  --emerald:#0fb08a; --violet:#7a6cf0;
  --navy:#0a1c3d;
  --glass:rgba(255,255,255,.72);
  --glass-brd:rgba(255,255,255,.9);
  --font-h:"Barlow","Noto Sans JP",system-ui,sans-serif;
  --font-cond:"Barlow Condensed","Noto Sans JP",sans-serif;
  --font-b:"Barlow","Noto Sans JP",system-ui,sans-serif;
  --wrap:1200px; --edge:clamp(20px,5vw,72px);
  --sh-sm:0 6px 18px -8px rgba(20,60,140,.18);
  --sh-md:0 18px 44px -20px rgba(20,60,140,.28);
  --sh-lg:0 40px 90px -40px rgba(20,60,140,.4);
}

/* ---------- 2. Base ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-b);text-wrap:pretty;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-h);margin:0;}
p{margin:0;}
img{max-width:100%;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--cyan);}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 3. Utilities ---------- */
.eyebrow{
  display:block;font-family:var(--font-cond);font-size:14px;letter-spacing:.22em;
  text-transform:uppercase;font-weight:600;color:var(--brand);
}
.eyebrow-cyan{color:var(--cyan);}
.eyebrow-emerald{color:var(--emerald);}
.eyebrow-ice{color:#a9f0ff;}
.faint{color:var(--faint);}

.card{background:var(--paper);border:1px solid var(--line);box-shadow:var(--sh-sm);}
.glass{
  background:var(--glass);border:1px solid var(--glass-brd);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);box-shadow:var(--sh-md);
}
.card-hov{transition:transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s ease,border-color .3s ease;}
.card-hov:hover{transform:translateY(-6px);border-color:rgba(31,111,229,.35);box-shadow:var(--sh-md);}

.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--font-h);
  font-weight:600;font-size:15px;padding:14px 26px;border-radius:12px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .3s ease,background .3s ease;
}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-primary{background:linear-gradient(120deg,#2f7ff0,#00b6d8);color:#fff;box-shadow:0 14px 32px -12px rgba(0,140,220,.6);}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 20px 44px -12px rgba(0,140,220,.75);}
.btn-white{background:#fff;color:var(--brand-dk);box-shadow:0 16px 36px -14px rgba(0,20,60,.5);}
.btn-white:hover{transform:translateY(-2px);color:var(--brand-dk);}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);border-color:#fff;color:#fff;}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand);box-shadow:var(--sh-sm);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dk);transform:translateY(-2px);}

.aurora{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;}

/* アイコンタイル */
.ico{
  width:42px;height:42px;flex:none;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;color:#fff;box-shadow:0 10px 22px -10px rgba(0,80,180,.5);
}
.ico-lg{width:52px;height:52px;border-radius:15px;box-shadow:0 14px 30px -12px rgba(0,80,180,.45);}
.ico-sm{width:36px;height:36px;border-radius:11px;box-shadow:0 10px 22px -10px rgba(0,80,180,.4);}

/* SVGイラストの器 */
.illus{position:absolute;inset:0;display:flex;}
.illus-inset{inset:16px;}
.illus-light{color:#eaf9ff;}
.media-photo{opacity: 1;filter: brightness(1.1)contrast(1.15)saturate(1.15);}


@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes pulseGlow{0%,100%{opacity:.4}50%{opacity:1}}

/* ---------- 4. Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.nav{max-width:var(--wrap);margin:0 auto;padding:15px var(--edge);display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:baseline;gap:9px;margin-right:auto;}
.brand-name{font-family:var(--font-h);font-weight:700;font-size:21px;color:var(--ink);letter-spacing:-.01em;}
.brand-by{font-family:var(--font-cond);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);}
.nav-links{display:flex;gap:26px;align-items:center;}
.nav-links a{font-size:14px;color:var(--muted);}
.nav-links a:hover{color:var(--brand);}

/* ---------- 5. Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(125deg,#0a1c3d 0%,#123a86 34%,#1f6fe5 66%,#00b6d8 100%);
}
.hero-mesh{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(100% 80% at 50% 25%,#000,transparent 92%);
          mask-image:radial-gradient(100% 80% at 50% 25%,#000,transparent 92%);
}
.hero-inner{
  position:relative;max-width:var(--wrap);margin:0 auto;
  padding:clamp(64px,9vw,120px) var(--edge);
}
.hero-grid{
  display:grid;grid-template-columns:1.2fr 0.8fr;
  gap:clamp(36px,5vw,72px);align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-size:12.5px;letter-spacing:.06em;color:#eaf6ff;margin-bottom:26px;white-space:nowrap;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:#7fe9ff;
  box-shadow:0 0 10px #7fe9ff;animation:pulseGlow 2s infinite;
}
.hero-title{
  font-size:clamp(38px,4.4vw,56px);line-height:1.08;letter-spacing:-.02em;
  font-weight:700;color:#fff;
}
.grad-text{
  background:linear-gradient(100deg,#a9f0ff,#7fe9ff 55%,#ffffff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:clamp(17px,1.7vw,21px);line-height:1.7;margin-top:24px;max-width:38ch;color:#eaf6ff;}
.hero-lead strong{font-weight:700;color:#fff;}
.hero-sub{font-size:15.5px;line-height:1.85;margin-top:18px;max-width:48ch;color:rgba(233,246,255,.8);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}

.hero-visual-wrap{position:relative;}
.hero-visual{
  position:relative;border-radius:24px;padding:14px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 40px 90px -36px rgba(0,20,60,.55);
  animation:floaty 7s ease-in-out infinite;
  width: 100%;
}
.hero-visual-inner{
  border-radius:16px;overflow:hidden;position:relative;aspect-ratio:5/4;
  background:linear-gradient(150deg,#123a86,#1f6fe5 60%,#00b6d8);
}
.hero-visual-inner img{width:100%;height:100%;object-fit:cover;}
.hero-visual-veil{position:absolute;inset:0;background:linear-gradient(150deg,rgba(18,58,134,.5),rgba(0,182,216,.28));}
.chip{
  position:absolute;padding:12px 16px;border-radius:14px;background:#fff;
  box-shadow:0 20px 44px -18px rgba(0,20,60,.45);
}
.chip-tl{top:-18px;left:-14px;animation:floaty 6s ease-in-out infinite;}
.chip-br{bottom:-16px;right:-10px;animation:floaty 8s ease-in-out infinite .5s;}
.chip-num{font-family:var(--font-cond);font-size:24px;font-weight:700;color:var(--ink);line-height:1;}
.chip-num span{color:var(--cyan);}
.chip-cap{font-size:11px;color:var(--muted);margin-top:5px;letter-spacing:.04em;}
.chip-cap-em{color:var(--emerald);}

/* 差別化バンド */
.trust-band{position:relative;max-width:var(--wrap);margin:0 auto;padding:0 var(--edge) clamp(40px,6vw,68px);}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;}
.trust-item{
  display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:16px;
  background:rgba(255,255,255,.92);border:1px solid rgba(255,255,255,.7);
  box-shadow:0 18px 40px -22px rgba(0,20,60,.5);
}
.trust-title{font-size:15px;font-weight:700;color:var(--ink);line-height:1.3;}
.trust-sub{font-size:12px;color:var(--muted);margin-top:3px;}

/* ---------- 6. Sections common ---------- */
.sec{position:relative;scroll-margin-top:80px;overflow:hidden;}
.sec-inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:clamp(72px,9vw,120px) var(--edge);}
.sec-inner-narrow{max-width:920px;}
.sec-title{font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:700;margin-top:16px;}
.sec-lead{font-size:16px;line-height:1.85;margin-top:20px;max-width:50ch;color:var(--muted);}
.sec-head-center{text-align:center;max-width:660px;margin:0 auto;}
.sec-head-center .sec-lead{max-width:none;}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,72px);align-items:center;}
.order-first{order:-1;}
.figure-4x3{border-radius:22px;padding:16px;aspect-ratio:4/3;position:relative;overflow:hidden;}
.figure-glow{position:absolute;inset:0;}
.problem-photo{width:100%;height:100%;object-fit:cover;border-radius:18px;filter:brightness(0.9)contrast(1.05)saturate(0.65);}
.problem-photo-overlay{position:absolute;inset:16px;background:rgba(15,32,68,.15);border-radius:18px;}

.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:52px;}
.grid-cards-wide{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}
.grid-cards-narrow{grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;}

.card-title{font-size:20px;line-height:1.35;font-weight:700;color:var(--ink);}
.card-title-sm{font-size:18px;}
.card-desc{font-size:14.5px;line-height:1.75;color:var(--muted);}
.card-desc-sm{font-size:14px;line-height:1.7;}

/* ---------- 7. Problem ---------- */
.sec-problem{background:linear-gradient(180deg,#ffffff 0%,var(--sky) 55%,#eaf4ff 100%);}
.sec-problem .sec-inner{padding-bottom:40px;}
.problem-card{border-radius:18px;padding:26px 24px;display:flex;flex-direction:column;gap:14px;}
.problem-card-left{grid-column:2;}
.problem-grid{grid-template-columns:repeat(3,1fr);}
.problem-card .num{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;font-family:var(--font-cond);font-size:15px;font-weight:700;color:#fff;
}
.problem-text{font-size:16px;line-height:1.65;font-weight:500;color:var(--ink2);}

/* ---------- 8. Solution ---------- */
.sec-solution{background:linear-gradient(180deg,#eaf4ff 0%,var(--aqua) 45%,#ffffff 100%);}
.solution-card{
  border-radius:20px;padding:30px 26px;display:flex;flex-direction:column;gap:16px;
  position:relative;overflow:hidden;
}
.solution-card .top-rule{position:absolute;top:0;left:0;right:0;height:3px;}
.solution-photo{width:100%;height:100%;object-fit:cover;border-radius:18px;filter:brightness(1) contrast(1.05) saturate(1.05);}
.sec-solution .sec-inner{padding-bottom:50px;}

/* ---------- 9. Features ---------- */
.sec-features{background:linear-gradient(180deg,#ffffff 0%,var(--mist) 100%);}
.banner{
  margin-top:48px;border-radius:26px;padding:14px;
  background:linear-gradient(120deg,rgba(31,111,229,.1),rgba(0,182,216,.12));
  border:1px solid var(--line);box-shadow:var(--sh-md);
}
.banner-inner{
  width:100%;max-width:100%;
  border-radius:18px;overflow:hidden;position:relative;aspect-ratio:21/8;min-height:270px;
  background:linear-gradient(125deg,#1f6fe5 0%,#2f9fe0 50%,#00b6d8 100%);
}
.banner-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,40,110,.72) 0%,rgba(20,90,190,.3) 48%,rgba(0,182,216,.14) 100%);}
.banner-illus{opacity:.95;}
.banner-copy{position:absolute;left:clamp(20px,4vw,46px);bottom:clamp(20px,4vw,40px);max-width:440px;}
.banner-kicker{font-family:var(--font-cond);font-size:13px;letter-spacing:.18em;text-transform:uppercase;color:#a9f0ff;}
.banner-title{font-size:clamp(18px,2.4vw,27px);font-weight:700;color:#fff;margin-top:8px;line-height:1.35;}
.feature-card{border-radius:20px;padding:30px 28px;display:flex;gap:20px;align-items:flex-start;}
.feature-card .card-title{font-size:20px;line-height:1.3;margin-bottom:12px;}
.feature-stack{display:flex;flex-direction:column;gap:24px;}
.feature-stack .feature-card{max-width:100%;}
.feature-stack .feature-card > div{flex:1;}
.feature-stack .tick-list{display:flex;flex-direction:row;flex-wrap:wrap;gap:60px;}
.feature-stack .tick-list li{white-space: nowrap;}
.tick-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;}
.tick-list li{font-size:14.5px;line-height:1.6;padding-left:23px;position:relative;color:var(--muted);}

/* ---------- 10. Benefits ---------- */
.sec-benefits{background:linear-gradient(180deg,var(--mist) 0%,#eefaf7 50%,#ffffff 100%);}
.benefit-card{border-radius:18px;padding:28px 24px;display:flex;flex-direction:column;gap:14px;}
.benefit-head{display:flex;align-items:center;gap:12px;}
.benefit-no{font-family:var(--font-cond);font-size:13px;letter-spacing:.08em;font-weight:600;}

/* ---------- 11. Case Study ---------- */
.sec-cases{background:linear-gradient(180deg,#ffffff 0%,var(--sky) 100%);}
.case-card{border-radius:20px;overflow:hidden;display:flex;flex-direction:column;}
.case-media{position:relative;aspect-ratio:16/10;border-bottom:1px solid var(--line);overflow:hidden;}
.case-veil{position:absolute;inset:0;background:linear-gradient(150deg,rgba(12,45,120,.42),rgba(0,182,216,.18));}
.case-illus{opacity:.92;}
.case-body{padding:26px;display:flex;flex-direction:column;gap:14px;}
.case-tag{
  align-self:flex-start;white-space:nowrap;font-size:12px;font-weight:700;
  padding:5px 13px;border-radius:999px;
}
.case-title{font-size:19px;line-height:1.35;font-weight:700;color:var(--ink2);}
.case-desc{font-size:14px;line-height:1.7;color:var(--muted);}
.case-stats{display:flex;justify-content:flex-start;gap:36px;margin-top:6px;padding-top:16px;padding-left:16px;border-top:1px solid var(--line);}
.stat-num{font-family:var(--font-cond);font-size:24px;color:var(--stat-color, var(--brand));line-height:1;}
.stat-cap{font-size:11px;margin-top:4px;color:rgba(90,109,146,.75);}
.sec-cases .sec-inner{padding-bottom:40px;}

/* ---------- 12. FAQ ---------- */
.sec-faq{background:linear-gradient(180deg,var(--sky) 0%,#ffffff 60%);}
.faq-list{margin-top:44px;display:flex;flex-direction:column;gap:14px;}
.faq-item{border-radius:16px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;padding:22px 24px;
  background:transparent;border:0;cursor:pointer;text-align:left;font-family:var(--font-b);
}
.faq-mark{font-family:var(--font-cond);font-size:16px;color:var(--cyan);flex:none;width:22px;font-weight:700;}
.faq-mark-a{color:var(--faint);}
.faq-text{flex:1;font-size:16.5px;line-height:1.5;font-weight:600;color:var(--ink);}
.faq-toggle{
  flex:none;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:9px;background:linear-gradient(135deg,rgba(31,111,229,.12),rgba(0,182,216,.14));
  color:var(--brand);transition:transform .3s ease;
}
.faq-item.is-open .faq-toggle{transform:rotate(45deg);}
.faq-a{display:flex;gap:16px;padding:0 24px 24px;}
.faq-a[hidden]{display:none;}
.faq-a p{flex:1;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 13. Contact ---------- */
.sec-contact{background:#fff;}
.contact-wrap{max-width:var(--wrap);margin:0 auto;padding:clamp(48px,7vw,96px) var(--edge) clamp(72px,9vw,120px);}
.contact-panel{
  position:relative;border-radius:30px;overflow:hidden;text-align:center;
  padding:clamp(46px,6vw,84px) clamp(28px,5vw,64px);
  background:linear-gradient(125deg,#123a86 0%,#1f6fe5 48%,#00b6d8 100%);
  box-shadow:0 50px 110px -46px rgba(10,60,160,.65);
}
.contact-mesh{
  position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:radial-gradient(90% 90% at 50% 30%,#000,transparent);
          mask-image:radial-gradient(90% 90% at 50% 30%,#000,transparent);
}
.contact-content{position:relative;}
.contact-title{font-size:clamp(30px,4.4vw,52px);line-height:1.15;font-weight:700;margin-top:16px;color:#fff;}
.contact-lead{font-size:16.5px;line-height:1.85;margin:22px auto 0;max-width:46ch;color:rgba(234,246,255,.88);}
.contact-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:40px;}
.contact-note{font-size:13px;margin-top:30px;color:rgba(234,246,255,.7);}

/* ---------- 注釈 ---------- */
.legal-note{max-width:1200px;margin:24px auto 0;padding:12px 24px 0;border-top:1px solid rgba(0,0,0,.08);font-size:12px;color:#8a9ab8;}

/* ---------- 14. Footer ---------- */
.site-footer{background:linear-gradient(180deg,#ffffff,var(--sky));border-top:1px solid var(--line);}
.footer-inner{
  max-width:var(--wrap);margin:0 auto;padding:40px var(--edge);
  display:flex;flex-wrap:wrap;gap:20px;align-items:baseline;justify-content:space-between;
}
.footer-brand-name{font-size:19px;}
.footer-note{font-size:12px;color:var(--faint);}

/* ---------- 15. Responsive ---------- */
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;}
  .nav-links{display:none;}
}
@media (max-width:520px){
  .chip-tl{left:0;}
  .chip-br{right:0;}
  .banner-inner{aspect-ratio:4/3;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation:none !important;}
}