/* ===========================
   ALL IN HOLDINGS — philosophy.css
   フィロソフィーページ（ダーク・メタリック）
   =========================== */

.pc-br { display: inline; }
.header.is-scrolled {
  background: rgba(255,255,255,0.82);
  box-shadow: 0 2px 20px rgba(40,46,54,0.10);
}


/* ===== HERO ===== */
.ph-hero {
  position: relative;
  min-height: 78vh;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
}
.ph-hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(150deg, #EEF1F4 0%, #E0E3E7 50%, #D0D5DB 100%);
}
.ph-hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(43,46,51,0.20), transparent 46%),
    radial-gradient(circle at 8% 92%, rgba(184,190,198,0.08), transparent 42%);
}
.ph-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43,46,51,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,46,51,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* 斜めに流れる装飾ライン */
.ph-hero__deco { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.ph-hero__deco-line {
  position: absolute;
  top: -20%;
  height: 140%;
  width: 1px;
  transform: skewX(-13deg);
  background: linear-gradient(to bottom, transparent, rgba(43,46,51,0.28), transparent);
  animation: phDrift 9s ease-in-out infinite;
}
.ph-hero__deco-line:nth-child(1) { right: 24%; animation-delay: 0s; }
.ph-hero__deco-line:nth-child(2) { right: 15%; background: linear-gradient(to bottom, transparent, rgba(184,190,198,0.30), transparent); animation-delay: -3s; }
.ph-hero__deco-line:nth-child(3) { right: 7%; animation-delay: -6s; }
@keyframes phDrift {
  0%, 100% { transform: skewX(-13deg) translateY(0); opacity: 0.7; }
  50%      { transform: skewX(-13deg) translateY(-26px); opacity: 1; }
}

.ph-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1160px;
  margin: 0 auto;
  padding: 170px 24px 120px;
}
.ph-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5em;
  color: rgba(43,46,51,0.7);
  text-transform: uppercase;
  margin-bottom: 40px;
}
.ph-hero__label-bar {
  display: block;
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, #B8BEC6, #1f3a5f);
}
.ph-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.06em;
  margin-bottom: 36px;
  background: linear-gradient(135deg, #3C4046 0%, #5C636B 35%, #3C4046 55%, #7A8088 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-hero__desc {
  font-size: clamp(0.95rem, 1.5vw, 1.12rem);
  color: rgba(43,46,51,0.7);
  line-height: 2.2;
  letter-spacing: 0.03em;
}


/* ===== 共通：ラベル ===== */
.ph-statement__label {
  font-family: var(--font-fr);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 24px;
  background: linear-gradient(90deg, #3C4046 0%, #6B7178 50%, #2B2E33 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ===== VISION（ステートメント） ===== */
.ph-statement__inner {
  max-width: 860px;
  text-align: center;
}
.ph-statement__heading {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  background: linear-gradient(180deg, #3C4046 0%, #5C636B 55%, #2B2E33 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-statement__rule {
  width: 64px;
  height: 2px;
  margin: 0 auto 36px;
  background: linear-gradient(90deg, #6B7178, #B8BEC6);
}
.ph-statement__body {
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  color: var(--text-sub);
  line-height: 2.2;
  letter-spacing: 0.03em;
}
.ph-statement__body + .ph-statement__body { margin-top: 20px; }


/* ===== MISSION（ダーク帯） ===== */
.ph-mission {
  position: relative;
  padding: 140px 0;
  overflow: hidden;
}
.ph-mission__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, #EEF1F4 0%, #E0E3E7 55%, #D0D5DB 100%);
  clip-path: polygon(0 3vw, 100% 0, 100% 100%, 0 calc(100% - 3vw));
}
.ph-mission__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(43,46,51,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,46,51,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
}
.ph-mission__inner {
  position: relative;
  z-index: 1;
  max-width: 860px;
  text-align: center;
}
.ph-statement__label--light {
  background: linear-gradient(90deg, #3C4046 0%, #565C64 50%, #7A8088 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-mission__heading {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.6vw, 2.8rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  background: linear-gradient(135deg, #3C4046 0%, #565C64 45%, #3C4046 60%, #6B7178 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-mission__body {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: rgba(43,46,51,0.75);
  line-height: 2.2;
  letter-spacing: 0.04em;
}


/* ===== VALUE（Skill Set 参考のジグザグ） ===== */
.ph-values {
  position: relative;
  padding: 160px 0;
  overflow: hidden;
}
.ph-values__bg {
  position: absolute;
  inset: 0;
  background: var(--bg);
}
.ph-values__container { position: relative; z-index: 1; }

.ph-sec-head { text-align: center; margin-bottom: 84px; }
.ph-sec-head__en {
  font-family: var(--font-fr);
  font-size: clamp(3rem, 6vw, 4.8rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.1;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #3C4046 0%, #5C636B 40%, #2B2E33 75%, #5C636B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-sec-head__ja {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-sub);
}

.ph-values__list {
  display: flex;
  flex-direction: column;
  gap: 64px;
  max-width: 1000px;
  margin: 0 auto;
}
.ph-value {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 48px;
  align-items: center;
}
.ph-value--right { grid-template-columns: 1.3fr 0.7fr; }
.ph-value--right .ph-value__num-wrap { order: 2; }
.ph-value--right .ph-value__body { order: 1; text-align: right; }

.ph-value__num-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  /* 囲い（背景・枠・斜め）を撤去 */
  background: none;
  border: none;
  border-radius: 0;
  transform: none;
  overflow: visible;
}
.ph-value__num {
  position: relative;
  z-index: 1;
  font-family: var(--font-en);
  font-size: clamp(2.8rem, 6vw, 4.6rem);
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #3C4046 0%, #5C636B 35%, #2B2E33 60%, #5C636B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
/* 数字を貫通する横ライン */
.ph-value__num-bar {
  position: absolute;
  top: 50%;
  left: -24%;
  width: 148%;
  height: 2px;
  transform: translateY(-50%);
  background: linear-gradient(90deg, transparent, #6B7178 22%, #B8BEC6 50%, #6B7178 78%, transparent);
  z-index: 0;
}

.ph-value__cat {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: rgba(43,46,51,0.7);
  margin-bottom: 14px;
}
.ph-value__title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  padding-bottom: 16px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #3C4046 0%, #5C636B 55%, #7A8088 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-value__title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, #6B7178, #B8BEC6);
}
.ph-value--right .ph-value__title::after { left: auto; right: 0; }
.ph-value__lead {
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  color: rgba(43,46,51,0.7);
  line-height: 1.9;
  letter-spacing: 0.03em;
}

/* 左右スライドイン */
.ph-value.js-fadein {
  opacity: 0;
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.ph-value--left.js-fadein { transform: translateX(-60px); }
.ph-value--right.js-fadein { transform: translateX(60px); }
.ph-value.js-fadein.is-visible { opacity: 1; transform: translateX(0); }


/* ===== ABOUT ===== */
.ph-about__inner { max-width: 800px; text-align: center; }
.ph-about__heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.05em;
  margin-bottom: 36px;
  background: linear-gradient(180deg, #3C4046 0%, #5C636B 55%, #2B2E33 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.ph-about__body {
  font-size: clamp(0.95rem, 1.5vw, 1.08rem);
  color: var(--text-sub);
  line-height: 2.2;
  letter-spacing: 0.03em;
}
.ph-about__body + .ph-about__body { margin-top: 20px; }
.ph-about__btn { margin-top: 48px; padding-left: 64px; padding-right: 64px; }


/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
  .pc-br { display: none; }

  .ph-hero { min-height: 70vh; }
  .ph-hero__inner { padding: 130px 20px 80px; }
  .ph-hero__label { font-size: 0.65rem; letter-spacing: 0.4em; margin-bottom: 28px; }

  .ph-statement__heading { font-size: clamp(1.4rem, 5vw, 1.9rem); }
  .ph-mission { padding: 100px 0; }
  .ph-mission__bg { clip-path: polygon(0 5vw, 100% 0, 100% 100%, 0 calc(100% - 5vw)); }
  .ph-mission__heading { font-size: clamp(1.5rem, 6vw, 2rem); }

  .ph-values { padding: 100px 0; }
  .ph-sec-head { margin-bottom: 56px; }
  .ph-sec-head__en { font-size: clamp(2.2rem, 9vw, 3.2rem); }
  .ph-values__list { gap: 48px; }
  .ph-value,
  .ph-value--right { grid-template-columns: 1fr; gap: 20px; }
  .ph-value__num-wrap,
  .ph-value--right .ph-value__num-wrap { order: 0; min-height: 96px; transform: none; }
  .ph-value__body,
  .ph-value--right .ph-value__body { order: 0; text-align: left; }
  .ph-value__num { font-size: clamp(2.6rem, 12vw, 3.8rem); }
  /* スマホ: 数字を貫く横線を長すぎないよう数字幅程度の短いラインに */
  .ph-value__num-bar { left: 50%; right: auto; width: 76px; transform: translate(-50%, -50%); }
  .ph-value--right .ph-value__title::after { left: 0; right: auto; }
  .ph-value--left.js-fadein,
  .ph-value--right.js-fadein { transform: translateY(40px); }
}

@media (max-width: 480px) {
  .ph-hero__inner { padding: 110px 16px 64px; }
  .ph-hero__desc { font-size: 0.9rem; line-height: 2; }
  .ph-statement__heading,
  .ph-mission__heading,
  .ph-about__heading { font-size: clamp(1.3rem, 6.5vw, 1.7rem); }
  .ph-sec-head__en { font-size: clamp(1.9rem, 10vw, 2.6rem); }
}