/*
 * FEATURES reference layout, 2026-08-17.
 * Reference: ChatGPT Image 2026年8月17日 10_59_56.png
 * Keeps the existing copy and four-scene sprite; changes presentation only.
 */

section.features-organic{
  --ofe-diagonal-inset:13.7931%;
  padding:112px 0 0;
  background:
    radial-gradient(circle at 12% 42%,rgba(226,240,251,.42),transparent 24%),
    linear-gradient(180deg,#fff 0%,#fbfdff 55%,#fff 100%);
}

section.features-organic::before{
  content:none;
  display:none;
}

section.features-organic .ofe-head{
  width:min(1220px,calc(100% - 64px));
  min-height:0;
  margin:0 auto 50px;
}

section.features-organic .ofe-list{
  display:grid;
  gap:0;
  width:100%;
  margin:0 auto;
}

section.features-organic .ofe-chapter{
  display:block;
  min-height:0;
  padding:0;
  border:0;
  border-radius:0;
  background:#fff;
  box-shadow:none;
  overflow:hidden;
}

section.features-organic .ofe-chapter::before{
  content:none;
  display:none;
}

section.features-organic .ofe-chapter-inner{
  position:relative;
  display:block;
  width:100%;
  min-height:clamp(420px,28vw,540px);
  margin:0;
}

section.features-organic .ofe-copy,
section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{
  position:absolute;
  inset:0 auto 0 0;
  z-index:3;
  display:flex;
  flex-direction:column;
  justify-content:center;
  width:58%;
  padding:44px 180px 44px max(48px,calc((100vw - 1220px)/2));
  background:
    radial-gradient(circle at 88% 78%,rgba(215,235,250,.54),transparent 31%),
    linear-gradient(105deg,#fff 0%,#fff 48%,#f6fbff 100%);
  clip-path:polygon(0 0,100% 0,calc(100% - var(--ofe-diagonal-inset)) 100%,0 100%);
}

section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{
  inset:0 0 0 auto;
  padding-right:max(48px,calc((100vw - 1220px)/2));
  padding-left:220px;
  clip-path:polygon(var(--ofe-diagonal-inset) 0,100% 0,100% 100%,0 100%);
}

section.features-organic .ofe-number{
  position:static;
  z-index:auto;
  display:block;
  margin:0 0 3px;
  color:#e0ebf7;
  font-family:Georgia,"Times New Roman",serif;
  font-size:86px;
  font-weight:400;
  line-height:.88;
  letter-spacing:-.055em;
}

section.features-organic .ofe-heading{
  position:relative;
  display:block;
  width:fit-content;
  max-width:100%;
  margin:0 0 23px;
  padding:0 0 16px;
  color:#102f66;
  font-size:34px;
  font-weight:900;
  line-height:1.42;
  letter-spacing:.025em;
}

section.features-organic .ofe-heading::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:44px;
  height:3px;
  background:linear-gradient(90deg,#1658a0,#1e8fc9);
}

section.features-organic .ofe-heading-line::after{
  content:none;
  display:none;
}

section.features-organic .ofe-lead{
  max-width:520px;
  margin:0 0 13px;
  color:#17385f;
  font-size:17px;
  font-weight:700;
  line-height:1.78;
  letter-spacing:.015em;
}

section.features-organic .ofe-body{
  max-width:530px;
  margin:0;
  color:#405772;
  font-size:15.5px;
  font-weight:500;
  line-height:1.86;
  letter-spacing:.01em;
}

section.features-organic .ofe-photo,
section.features-organic .ofe-chapter:nth-child(odd) .ofe-photo,
section.features-organic .ofe-chapter:nth-child(even) .ofe-photo{
  position:absolute;
  inset:0 0 0 auto;
  z-index:2;
  width:58%;
  height:clamp(420px,28vw,540px);
  overflow:hidden;
  transform:none;
  clip-path:polygon(var(--ofe-diagonal-inset) 0,100% 0,100% 100%,0 100%);
}

section.features-organic .ofe-chapter:nth-child(even) .ofe-photo{
  inset:0 auto 0 0;
  clip-path:polygon(0 0,100% 0,calc(100% - var(--ofe-diagonal-inset)) 100%,0 100%);
}

section.features-organic .ofe-photo-window,
section.features-organic .ofe-chapter:nth-child(n) .ofe-photo-window{
  position:absolute;
  inset:0;
  border-radius:0;
  background:#dce9f4;
  box-shadow:none;
}

section.features-organic .ofe-photo::after,
section.features-organic .ofe-chapter:nth-child(even) .ofe-photo::after{
  content:none;
  display:none;
}

section.features-organic .ofe-photo-image{
  inset:0;
  background-size:200% auto;
  filter:saturate(.9) contrast(1.025);
}

/* 01/02: lift the source image so the working hands remain inside the diagonal crop. */
section.features-organic .ofe-photo-image.is-1{
  background-position:0 12%;
}

section.features-organic .ofe-photo-image.is-2{
  background-position:100% 18%;
}

/* 04: show both support staff and keep the foreground headset microphone visible. */
section.features-organic .ofe-photo-image.is-4{
  background-position:100% 74%;
}

@media(max-width:768px){
  section.features-organic{--ofe-diagonal-inset:16.6667%}
  section.features-organic .ofe-head{width:calc(100% - 48px)}
  section.features-organic .ofe-list{width:100%}
  section.features-organic .ofe-chapter-inner{min-height:420px}
  section.features-organic .ofe-copy,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{width:60%;padding-right:100px;padding-left:48px}
  section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{padding-right:48px;padding-left:132px}
  section.features-organic .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(odd) .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-photo{width:60%;height:420px}
  section.features-organic .ofe-number{font-size:72px}
  section.features-organic .ofe-heading{font-size:28px;margin-bottom:20px;padding-bottom:14px}
  section.features-organic .ofe-lead{font-size:15.5px;line-height:1.76}
  section.features-organic .ofe-body{font-size:14px;line-height:1.82}
}

@media(max-width:768px){
  section.features-organic{padding:72px 0 0}
  section.features-organic .ofe-head{width:calc(100% - 44px);margin-bottom:34px}
  section.features-organic .ofe-list{gap:0;width:100%}
  section.features-organic .ofe-chapter{padding:0;border-radius:0}
  section.features-organic .ofe-chapter-inner{display:flex;min-height:0;flex-direction:column}
  section.features-organic .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(odd) .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-photo{
    position:relative;
    inset:auto;
    order:0;
    width:100%;
    height:auto;
    aspect-ratio:1.62/1;
    clip-path:polygon(0 0,100% 0,100% 88%,0 100%);
  }
  section.features-organic .ofe-copy,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{
    position:relative;
    inset:auto;
    order:1;
    display:block;
    width:100%;
    margin-top:-7%;
    padding:46px 26px 34px;
    clip-path:none;
    background:linear-gradient(180deg,#fff 0%,#f8fcff 100%);
  }
  section.features-organic .ofe-number{margin-bottom:5px;font-size:58px}
  section.features-organic .ofe-heading{margin-bottom:20px;padding-bottom:14px;font-size:24px;line-height:1.48}
  section.features-organic .ofe-lead{max-width:none;margin-bottom:12px;font-size:15px;line-height:1.82}
  section.features-organic .ofe-body{max-width:none;padding-right:12px;font-size:14px;line-height:1.88}
}

@media(max-width:420px){
  section.features-organic .ofe-list{width:100%}
  section.features-organic .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(odd) .ofe-photo,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-photo{aspect-ratio:1.48/1}
  section.features-organic .ofe-copy,
  section.features-organic .ofe-chapter:nth-child(even) .ofe-copy{padding:44px 22px 31px}
  section.features-organic .ofe-number{font-size:54px}
  section.features-organic .ofe-heading{font-size:22px}
}