/* 純氷と製氷機の氷の違い（2026-10） */
.pi-sec { padding: 56px 20px; }
.pi-bg { background: var(--color-section-alt); }
.pi-inner { max-width: 960px; margin: 0 auto; }
.pi-kicker { font-size: 13px; letter-spacing: .14em; color: var(--color-accent); margin: 0 0 8px; text-align: center; }
.pi-h2 { font-family: var(--font-serif); font-weight: 400; font-size: clamp(22px, 5.2vw, 32px); line-height: 1.5; color: var(--color-dark); text-align: center; margin: 0 0 28px; text-wrap: balance; }
.pi-points { display: grid; gap: 12px; }
.pi-point { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 20px; text-align: center; }
.pi-point__num { font-size: 44px; line-height: 1.1; color: var(--color-accent); font-variant-numeric: tabular-nums; }
.pi-point__num small { font-size: 16px; margin-left: 2px; }
.pi-point p { margin: 6px 0 0; font-size: 14px; color: var(--color-text-light); }
.pi-make { display: grid; gap: 14px; }
.pi-make__col { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 20px; }
.pi-make__col.is-pure { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent) inset; }
.pi-make__col h3 { font-size: 19px; font-weight: 500; margin: 0 0 12px; color: var(--color-dark); }
.pi-make__col.is-pure h3 { color: var(--color-accent); }
.pi-make__col ol { margin: 0; padding-left: 1.4em; display: grid; gap: 10px; }
.pi-make__col li strong { display: block; font-weight: 500; color: var(--color-dark); }
.pi-make__col li span { font-size: 14px; color: var(--color-text-light); line-height: 1.7; }
.pi-note { font-size: 13px; color: var(--color-text-light); line-height: 1.8; margin: 16px 0 0; }
.pi-melt { display: grid; gap: 28px; align-items: center; }
.pi-melt__fig { margin: 0; }
.pi-melt__pair { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pi-melt__item { background: var(--color-bg); border-radius: 12px; padding: 20px 12px; display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.pi-melt__item span { font-size: 15px; font-weight: 500; color: var(--color-dark); }
.pi-melt__item em { font-style: normal; font-size: 12px; color: var(--color-text-light); line-height: 1.6; }
.pi-cube--big { width: 84px; height: 84px; border-radius: 8px; background: linear-gradient(135deg, #f4fbff, #bcd9e8); border: 1px solid #a9c8d9; }
.pi-cubes { width: 84px; height: 84px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; align-content: center; }
.pi-cubes i { aspect-ratio: 1; border-radius: 3px; background: linear-gradient(135deg, #f4fbff, #bcd9e8); border: 1px solid #a9c8d9; }
.pi-melt__fig figcaption { font-size: 12px; color: var(--color-text-light); text-align: center; margin-top: 10px; }
.pi-melt__text p { font-size: 16px; line-height: 1.95; margin: 0 0 1em; color: var(--color-text); }
.pi-melt__text strong, .pi-proof strong, .pi-voice strong { color: var(--color-accent); font-weight: 500; }
.pi-table-wrap { overflow-x: auto; }
.pi-table { width: 100%; min-width: 360px; border-collapse: separate; border-spacing: 0; font-size: 14px; line-height: 1.6; background: #fff; border-radius: 12px; }
.pi-table th, .pi-table td { padding: 12px 10px; border-bottom: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.pi-table thead th { font-weight: 500; color: var(--color-text-light); }
.pi-table thead .is-pure { background: var(--color-accent); color: #fff; }
.pi-table tbody th { white-space: nowrap; color: var(--color-dark); font-weight: 500; }
.pi-table td { color: var(--color-text-light); }
.pi-table td.is-pure { background: #eaf3f9; color: var(--color-dark); font-weight: 500; }
.pi-proof { display: grid; gap: 16px; }
.pi-proof__tv { background: #fff8e6; border: 1px solid #f1d99a; border-radius: 12px; padding: 20px; }
.pi-proof__tv p { font-size: 15px; line-height: 1.9; color: #4a3a17; margin: 0; }
.pi-proof__badge { display: inline-block; background: #8a5a00; color: #fff !important; font-size: 12px !important; border-radius: 999px; padding: 2px 12px; margin-bottom: 10px !important; }
.pi-proof__voices { display: grid; gap: 10px; }
.pi-voice { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 16px 18px; }
.pi-voice p { margin: 0; font-size: 15px; line-height: 1.8; }
.pi-voice__who { font-weight: 500; color: var(--color-dark); margin-bottom: 4px !important; }
.pi-voice__note { font-size: 12px; color: var(--color-text-light); margin: 0; }
.pi-uses { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 10px; }
.pi-uses li { background: #fff; border: 1px solid var(--color-border); border-radius: 10px; padding: 14px 16px; display: flex; flex-direction: column; gap: 2px; }
.pi-uses strong { font-weight: 500; color: var(--color-dark); }
.pi-uses span { font-size: 14px; color: var(--color-accent); }
.pi-center { text-align: center; }
.pi-link { color: var(--color-accent); }
.pi-cta { background: var(--color-dark); }
.pi-cta .pi-h2 { color: #fff; }
.pi-cta__lead { text-align: center; color: #d6e2ea; line-height: 1.9; margin: -10px 0 24px; }
.pi-cta__btns { display: grid; gap: 10px; }
.pi-btn { display: flex; flex-direction: column; align-items: center; padding: 14px; border-radius: 8px; text-decoration: none; font-size: 16px; font-weight: 500; color: #fff; }
.pi-btn small { font-size: 12px; font-weight: 400; opacity: .9; }
.pi-btn--tel { background: #fff; color: var(--color-dark); }
.pi-btn--form { background: var(--color-accent); }
.pi-btn--line { background: #06c755; }
@media (min-width: 768px) {
  .pi-sec { padding: 80px 32px; }
  .pi-points { grid-template-columns: repeat(3, 1fr); }
  .pi-make { grid-template-columns: 1fr 1fr; }
  .pi-melt { grid-template-columns: 1fr 1.2fr; gap: 40px; }
  .pi-table { font-size: 15px; }
  .pi-table th, .pi-table td { padding: 14px 16px; }
  .pi-proof { grid-template-columns: 1.1fr 1fr; align-items: start; }
  .pi-uses { grid-template-columns: repeat(3, 1fr); }
  .pi-cta__btns { grid-template-columns: repeat(3, 1fr); }
}
.pi-lead { text-align: center; font-size: 16px; line-height: 1.9; margin: -14px auto 24px; max-width: 640px; }
.pi-lead strong { color: var(--color-accent); font-weight: 500; }
.pi-make__col h3 small { display: block; font-size: 12px; font-weight: 400; color: var(--color-text-light); margin-top: 2px; }
.pi-table thead th small { display: block; font-size: 11px; font-weight: 400; }
.pi-table td strong { color: var(--color-dark); font-weight: 500; }
.pi-table { min-width: 560px; }
.pi-use3 { display: grid; gap: 12px; margin-bottom: 20px; }
.pi-use3__item { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 20px; }
.pi-use3__item.is-pure { border-color: var(--color-accent); box-shadow: 0 0 0 1px var(--color-accent) inset; }
.pi-use3__item h3 { font-size: 18px; font-weight: 500; margin: 0 0 6px; color: var(--color-dark); }
.pi-use3__good { color: var(--color-accent); font-weight: 500; margin: 0 0 6px; }
.pi-use3__item p:last-child { font-size: 14px; line-height: 1.8; color: var(--color-text-light); margin: 0; }
.pi-use3__msg { text-align: center; font-size: 16px; line-height: 1.9; }
.pi-use3__msg strong { color: var(--color-accent); font-weight: 500; }
@media (min-width: 768px) { .pi-make { grid-template-columns: repeat(3, 1fr); } .pi-use3 { grid-template-columns: repeat(3, 1fr); } }
.pi-scroll-hint { font-size: 12px; color: var(--color-text-light); text-align: right; margin: 0 0 6px; }
@media (min-width: 768px) { .pi-scroll-hint { display: none; } }
.pi-note strong { color: var(--color-dark); font-weight: 500; }
.pi-author-sec { padding-top: 0; }
.pi-author { max-width: 720px; margin: 0 auto; border: 1px solid var(--color-border); border-radius: 14px; padding: 24px; background: #fff; }
.pi-author__label { font-size: 12px; letter-spacing: .12em; color: var(--color-accent); margin: 0 0 6px; }
.pi-author__name { font-family: var(--font-serif); font-size: 24px; color: var(--color-dark); margin: 0; }
.pi-author__name small { font-family: var(--font-sans); font-size: 12px; color: var(--color-text-light); margin-left: 10px; }
.pi-author__role { font-size: 14px; font-weight: 500; color: var(--color-dark); margin: 4px 0 10px; }
.pi-author__text { font-size: 14px; line-height: 1.85; color: var(--color-text-light); margin: 0; }
.pi-clear { grid-column: 1 / -1; background: #fff; border: 1px solid var(--color-border); border-radius: 12px; padding: 18px 20px; }
.pi-clear__t { font-weight: 500; color: var(--color-dark); margin: 0 0 6px; }
.pi-clear p:last-child { font-size: 15px; line-height: 1.85; margin: 0; }
.pi-clear strong { color: var(--color-accent); font-weight: 500; }
.pi-facts { display: grid; gap: 12px; }
.pi-fact { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 12px; padding: 20px; }
.pi-fact h3 { font-size: 17px; font-weight: 500; color: var(--color-dark); margin: 0 0 8px; }
.pi-fact p { font-size: 14px; line-height: 1.85; color: var(--color-text-light); margin: 0; }
@media (min-width: 768px) { .pi-facts { grid-template-columns: 1fr 1fr; } }