@charset "UTF-8";

:root{
  --navy:#061b3d;
  --blue:#0b72e7;
  --line:rgba(6,27,61,.14);
  --text:#061b3d;
  --muted:#52647d;
  --bg-soft:#f5fbff;
  --white:#fff;
  --shadow:0 18px 42px rgba(6,27,61,.08);
  --font-sans:"Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  --font-serif:"Noto Serif JP", "Yu Mincho", serif;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:var(--font-sans);
  line-height:1.8;
  letter-spacing:.02em;
}

img{
  display:block;
  max-width:100%;
}

a{
  color:inherit;
  text-decoration:none;
}

.container,
.container--wide{
  width:100%;
  max-width:1620px;
  margin:0;
  padding:0 40px;
  box-sizing:border-box;
}

/* button */
.button{
  min-height:45px;
  padding:0 26px;
  border-radius:999px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:16px;
  font-size:13px;
  font-weight:800;
  line-height:1;
}

.button--primary{
  color:#fff;
  background:var(--navy);
}

.button--secondary{
  color:var(--navy);
  background:#fff;
  border:1px solid rgba(6,27,61,.18);
}

.button--small{
  width: 200px;
  min-height:40px;
  padding:0 22px;
  font-size:12px;
}

/* common text */
.section-kicker,
.section-en{
  margin:0;
  color:var(--blue);
  font-weight:800;
  line-height:1.25;
}

.section-kicker{
  font-family:var(--font-serif);
  color:var(--navy);
  font-size:32px;
  letter-spacing:.06em;
}

.section-en{
  margin-top:2px;
  font-size:10px;
  letter-spacing:.08em;
}

/* hero */
.top-hero{
  overflow:hidden;
  background:url("../img/object-top.png") no-repeat center right / cover;
}

.top-hero__inner{
  min-height:500px;
  padding:70px 40px 70px;
  display:flex;
  align-items:center;
}

.top-hero__content{
  width:520px;
  position:relative;
  z-index:2;
}

.top-hero__title{
  margin:0 0 28px;
  color:var(--navy);
  font-family:var(--font-serif);
  font-size:clamp(42px,4vw,50px);
  line-height:1.43;
  font-weight:600;
  letter-spacing:-.03em;
}

.top-hero__text{
  margin:0 0 28px;
  max-width:620px;
  color:var(--navy);
  font-size:13px;
  line-height:1.95;
  font-weight:700;
}

.top-hero__buttons{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:20px;
}

.top-hero__tags{
  display:flex;
  align-items:center;
  gap:10px;
  padding:0;
  margin:0;
  list-style:none;
}

.top-hero__tags li{
  min-width:66px;
  padding:6px 14px;
  border:1px solid rgba(6,27,61,.08);
  border-radius:999px;
  color:#8b97a9;
  background:rgba(255,255,255,.78);
  font-size:11px;
  font-weight:700;
  text-align:center;
}

.top-hero__visual{
  position:relative;
  min-height:382px;
  display:none;
  justify-content:center;
  align-items:flex-start;
}

.top-hero__visual::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(
    90deg,
    #fff 0%,
    rgba(255,255,255,.7) 18%,
    rgba(255,255,255,0) 45%
  );
  z-index:2;
  pointer-events:none;
}

.top-hero__visual img{
  width:min(520px,95%);
  margin-top:10px;
  position:relative;
  z-index:1;
}

/* philosophy */
.philosophy-section{
  padding:0 0 15px;
  background:#fff;
}

.philosophy-section__inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  align-items:stretch;
  gap:0;
}

.philosophy-photo-card{
  min-height:214px;
  display:grid;
  grid-template-columns:205px 1fr;
  overflow:hidden;
  background:#fff;
}

.philosophy-photo-card__text{
  padding:30px 10px 26px 15px;
  background:#fff;
  border-left:5px solid #258fff;
}

.philosophy-photo-card__text h2{
  margin:16px 0 0;
  font-size:14px;
  font-weight:800;
  line-height:1.9;
  letter-spacing:.03em;
}

.philosophy-photo-card__image img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}

.philosophy-message-card{
  min-height:244px;
  padding:34px 36px 32px;
  border:1px solid rgba(6,27,61,.14);
  border-radius:20px;
  background:rgba(255,255,255,.96);
  box-shadow:0 14px 34px rgba(6,27,61,.04);
}

.philosophy-message-card h2{
  margin:0 0 18px;
  font-family:var(--font-serif);
  font-size:24px;
  line-height:1.6;
  font-weight:700;
  letter-spacing:.05em;
}

.philosophy-message-card p{
  margin:0;
  color:var(--navy);
  font-size:14px;
  line-height:2;
  font-weight:700;
}

/* AI lead */
.ai-lead-section{
  position:relative;
  overflow:hidden;
  min-height:292px;
  background:#fff;
}

.ai-lead-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("../img/ai-wave-bg.jpg") no-repeat right 34% center / min(1000px,78vw) auto;
}

.ai-lead-section__inner{
  position:relative;
  z-index:1;
  padding:10px 40px 20px;
}

.ai-lead-section h2{
  margin:0 0 24px;
  max-width:540px;
  font-family:var(--font-serif);
  font-size:clamp(30px,4vw,54px);
  line-height:1.45;
  font-weight:500;
  letter-spacing:.1em;
}

.ai-lead-section p{
  margin:0;
  font-size:17px;
  line-height:2.05;
  font-weight:800;
  letter-spacing:.06em;
}

/* services */
.service-list{
  width:100%;
  max-width:1620px;
  margin:0;
  padding:10px 40px 40px;
  box-sizing:border-box;
}

.service-list h2{
  position:relative;
  text-align:center;
  font-family:var(--font-serif);
  font-size:25px;
  font-weight:500;
  margin:0 0 20px;
}

.service-list h2::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-16px;
  transform:translateX(-50%);
  width:56px;
  height:4px;
  border-radius:999px;
  background:#6FD2F2;
}

.service-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}

.service-card{
  display:grid;
  grid-template-columns:140px 1fr;
  gap:36px;
  align-items:start;
  padding:42px 48px;
  border:1px solid rgba(6,27,61,.12);
  border-radius:10px;
  background:rgba(255,255,255,.82);
}

.service-icon{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:34px;
}

.service-icon img{
  width:96px;
  height:auto;
}

.service-icon a{
  margin:0;
  white-space:nowrap;
}

.service-card h3{
  font-family:var(--font-serif);
  font-size:32px;
  font-weight:500;
  margin:0 0 8px;
}

.service-sub{
  color:#006cff;
  font-weight:600;
  margin:0 0 14px;
}

.service-card p{
  font-size:16px;
  line-height:1.8;
  margin:0 0 22px;
}

.service-card a{
  color:var(--navy);
  text-decoration:none;
  font-size:16px;
  font-weight:600;
}

.service-card a span{
  margin-left:20px;
}

/* recruit */
.recruit-section{
  padding:8px 0 20px;
  background:linear-gradient(180deg,#fff 0%,#f5fbff 100%);
}

.recruit-section__inner{
  display:grid;
  grid-template-columns:1fr .94fr;
  gap:40px;
  align-items:center;
}

.recruit-photo-card{
  position:relative;
  height:186px;
  overflow:hidden;
  background:#fff;
}

.recruit-photo-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.86) 30%,rgba(255,255,255,.22) 58%,rgba(255,255,255,0) 100%);
}

.recruit-photo-card img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.recruit-photo-card__text{
  position:absolute;
  z-index:1;
  left:18px;
  top:22px;
  width:245px;
}

.recruit-photo-card__text h2{
  margin:8px 0;
  font-size:13px;
  line-height:1.7;
  font-weight:800;
}

.recruit-photo-card__text p:last-child{
  margin:0;
  color:#42516c;
  font-size:8px;
  line-height:1.9;
  font-weight:700;
}

.recruit-message-card{
  min-height:186px;
  width: 758px;
  padding:0px 28px 28px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  border:1px solid rgba(6,27,61,.14);
  border-radius:20px;
  background:#fff;
  box-shadow:var(--shadow);
}

.recruit-message-card h2{
  position:relative;
  margin:10px 0 12px;
  padding-left:22px;
  font-family:var(--font-serif);
  font-size:25px;
  line-height:1.55;
  font-weight:700;
  letter-spacing:.04em;
}

.recruit-message-card h2::before{
  content:"";
  position:absolute;
  left:0;
  top:3px;
  width:5px;
  height:calc(100% - 6px);
  border-radius:999px;
  background:#177dff;
}

.recruit-message-card p{
  margin:0;
  color:#53657f;
  font-size:12px;
  line-height:1.85;
  font-weight:700;
}

/* work */
.work-style-section{
  position:relative;
  overflow:hidden;
  padding:6px 0 20px;
  background:#f5fbff;
}

.work-style-section::before{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-44px;
  width:920px;
  height:230px;
  background:url("../img/ai-wave-bg.jpg") no-repeat right bottom / contain;
  opacity:.55;
  pointer-events:none;
}

.work-style-section__heading{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:285px 1fr;
  align-items:end;
  gap:40px;
  margin-bottom:28px;
}

.work-style-section__heading h2{
  margin:0;
  font-family:var(--font-serif);
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.04em;
}

.work-style-section__heading > p{
  margin:0 0 10px;
  color:#51637d;
  font-size:14px;
  font-weight:700;
}

.work-card-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}

.work-card{
  min-height:135px;
  padding:32px 30px;
  display:flex;
  align-items:center;
  gap:26px;
  border:1px solid rgba(6,27,61,.12);
  border-radius:16px;
  background:rgba(255,255,255,.95);
  box-shadow:0 18px 38px rgba(6,27,61,.07);
}

.work-card__num{
  width:50px;
  height:50px;
  flex:0 0 50px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:2px solid #006bff;
  border-radius:50%;
  color:#006bff;
  font-size:13px;
  font-weight:800;
}

.work-card h3{
  margin:0 0 8px;
  font-family:var(--font-serif);
  font-size:22px;
}

.work-card p{
  margin:0;
  color:#53657f;
  font-size:12px;
  line-height:1.85;
  font-weight:700;
}

.recruit-flow{
  position:relative;
  z-index:1;
  margin-top:16px;
  min-height:46px;
  padding:6px 22px 6px 30px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:28px;
  border:1px solid rgba(0,110,255,.22);
  border-radius:999px;
  background:#e7f6ff;
}

.recruit-flow strong{
  font-size:13px;
  font-weight:800;
  white-space:nowrap;
}

.recruit-flow span{
  color:#53657f;
  font-size:12px;
  font-weight:700;
}

/* responsive */
@media (max-width:1024px){
  .container,
  .container--wide{
    padding:0 16px;
  }

  .top-hero{
    margin-top:72px;
    background:
      linear-gradient(
        90deg,
        rgba(255,255,255,.98) 0%,
        rgba(255,255,255,.92) 58%,
        rgba(255,255,255,.45) 100%
      ),
      url("../img/object-top.png") no-repeat right 0px top 30px / 420px auto;
  }

  .top-hero__inner{
    display:block;
    min-height:auto;
    padding:34px 16px 10px;
  }

  .top-hero__visual{
    display:none;
  }

  .top-hero__title{
    font-size:clamp(26px,7.8vw,34px);
    line-height:1.45;
  }

  .top-hero__text{
    max-width:265px;
    font-size:11px;
  }

  .top-hero__text br{
    display:none;
  }

  .top-hero__buttons{
    flex-direction:column;
    align-items:flex-start;
  }

  .philosophy-section__inner,
  .service-grid,
  .recruit-section__inner,
  .work-style-section__heading,
  .work-card-grid{
    grid-template-columns:1fr;
  }

  .philosophy-photo-card{
    grid-template-columns:1fr;
  }

  .philosophy-photo-card__image{
    height:190px;
  }

  .service-list{
    padding:20px 16px 40px;
  }

  .service-card{
    grid-template-columns:1fr;
  }

  .service-icon img{
    width:96px;
  }

  .recruit-message-card{
    max-width:342px;
    align-items:flex-start;
    flex-direction:column;
  }

  .recruit-photo-card img{
    max-width:342px;
  }

  .recruit-flow{
    grid-template-columns:1fr;
    border-radius:22px;
    gap:10px;
    padding:18px;
  }
}