/* ==========================================================================
   Power Bone LP — style.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables（Figmaデザインデータより）
   -------------------------------------------------------------------------- */
:root {
  --black:      #0a0a0a;
  --white:      #ffffff;
  --red:        #b30000;        /* Figma: rgb(179,0,0) */
  --red-glow:   rgba(185,28,28,0.4);
  --navy:       #082173;        /* Figma: rgb(8,33,115) */
  --dark:       #1a1a1a;
  --gray:       #888;
  --gray-lt:    #f0f0f0;
  --inner:      1200px;
  --pd-pc:      40px;
  --pd-sp:      20px;
  /* CTAグラデーション */
  --grad: linear-gradient(98.83deg, #b30000 38.09%, #082173 99.73%);
}

/* --------------------------------------------------------------------------
   Opening Animation
   -------------------------------------------------------------------------- */
body.is-opening { overflow: hidden; }

.p-opening {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  will-change: transform;
}
.p-opening__logo {
  width: 280px;
  opacity: 0;
}
@media (min-width: 768px) {
  .p-opening__logo { width: 420px; }
}
.p-opening__logo img {
  width: 100%;
  height: auto;
}

/* --------------------------------------------------------------------------
   Reset
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { margin: 0; min-height: 100vh; line-height: 1.6; }
h1,h2,h3,h4,p,ul,ol,dl,dt,dd,figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; width: 100%; height: auto; }
img:not([alt]) { filter: blur(10px); }
a { text-decoration: none; color: inherit; transition: opacity 0.3s; }
a:hover { opacity: 0.8; }
em { font-style: normal; }
button { border: none; background: none; cursor: pointer; font: inherit; }
p { text-align: justify; }

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--black);
  color: var(--white);
}

/* --------------------------------------------------------------------------
   Layout Utility
   -------------------------------------------------------------------------- */
.inner {
  width: 100%;
  padding-left: var(--pd-sp);
  padding-right: var(--pd-sp);
  margin: 0 auto;
}
@media (min-width: 768px) {
  .inner {
    max-width: calc(var(--inner) + var(--pd-pc) * 2);
    padding-left: var(--pd-pc);
    padding-right: var(--pd-pc);
  }
}
.u-desktop {
  display: none;
}
@media (min-width: 768px) {
  .u-desktop { display: block; }
}
@media (min-width: 768px) {
  .u-mobile { display: none; }
}

/* GSAP アニメーション初期状態 */
.js-fadein {
  opacity: 0;
  transform: translateY(28px);
}

/* --------------------------------------------------------------------------
   Component: Section Label（赤×紺の平行四辺形リボン）
   -------------------------------------------------------------------------- */
.c-label {
  position: relative;
  width: max-content;
  max-width: 100%;
  padding-bottom: 12px;
  margin: 0 auto 1.5rem;
}
.c-label__deco {
  position: absolute;
  left: 50%;
  bottom: 10px;
  transform: translateX(-50%);
  width: 200px;
  max-width: none;
  height: auto;
  z-index: 1;
  pointer-events: none;
}
.c-label__text {
  position: relative;
  z-index: 2;
  display: block;
  font-family: 'Teko', sans-serif;
  font-weight: 500;
  font-size: clamp(1.0625rem, 3.6vw, 1.375rem);
  letter-spacing: 0.15em;
  text-align: center;
  white-space: nowrap;
  padding: 0 8px;
  color: var(--black);
}
.c-label--light .c-label__text { color: var(--white); }
@media (max-width: 767px) {
  .c-label__text { font-size: clamp(1.4rem, 3.6vw, 1.375rem); }
}

/* --------------------------------------------------------------------------
   Component: Banner（テクスチャ付き平行四辺形の強調バー）
   -------------------------------------------------------------------------- */
.c-banner {
  position: relative;
  display: flex;
  width: fit-content;
  max-width: 100%;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2.5rem;
  padding: 14px 27px;
  clip-path: polygon(6% 0%, 100% 0%, 94% 100%, 0% 100%);
  background: url('../img/bg_black.png') center / cover, #0a0a0a;
}
@media (min-width: 768px) {
  .c-banner { padding: 14px 85px; }
}
.c-banner__text {
  font-weight: 900;
  font-size: clamp(0.875rem, 2vw, 1.125rem);
  line-height: 1.6;
  color: var(--white);
  text-align: center;
}
.c-banner--light {
  background: url('../img/chain-reaction-decoration.png') center / cover, #d9d9d9;
}
.c-banner--light .c-banner__text { color: var(--black); }

/* --------------------------------------------------------------------------
   Component: To-top Button
   -------------------------------------------------------------------------- */
.c-totop {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  background: var(--red);
  border-radius: 50%;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.c-totop.is-show { opacity: 1; visibility: visible; }
.c-totop span {
  display: block;
  width: 10px;
  height: 10px;
  border-top: 2px solid var(--white);
  border-right: 2px solid var(--white);
  transform: rotate(-45deg) translate(-1.78px, 1.78px);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.l-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 70px;
  z-index: 7777;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(39,39,42,0.8);
  transition: background 0.5s ease;
}
.l-header.is-color { background: var(--black); }
.l-header__inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 30px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.l-header__logo {
  display: block;
  height: 44px;
}
.l-header__logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}
.l-header__btn {
  display: none;
  align-items: center;
  gap: 10px;
  background: var(--grad);
  box-shadow: 0 0 10px var(--red-glow);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9375rem;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: 9999px;
  white-space: nowrap;
  transition: opacity 0.3s;
}
.l-header__btn:hover { opacity: 0.85; }
.l-header__btn-icon {
  width: 20px;
  height: 20px;
  display: block;
  flex-shrink: 0;
}
@media (min-width: 768px) {
  .l-header { height: 80px; }
  .l-header__inner { padding: 0 40px; }
  .l-header__logo { height: 55px; }
  .l-header__btn { display: inline-flex; padding: 14px 32px; font-size: 1rem; }
}

/* --------------------------------------------------------------------------
   Component: Side Button（SP専用・右壁固定の縦型CTA）
   -------------------------------------------------------------------------- */
.c-side-btn {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  z-index: 7776;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  background: var(--grad);
  box-shadow: 0 0 10px var(--red-glow);
  color: var(--white);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 20px 10px;
  border-radius: 12px 0 0 12px;
  transition: opacity 0.3s;
}
.c-side-btn:hover { opacity: 0.85; }
@media (min-width: 768px) {
  .c-side-btn { display: none; }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.l-footer {
  background: var(--white);
  padding: 28px 0;
}
.l-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
@media (min-width: 768px) {
  .l-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}
.l-footer__logo {
  display: block;
  height: 56px;
}
.l-footer__logo img {
  /* フッターはカラーロゴ想定だが暫定で白ロゴ使用 */
  height: 100%;
  width: auto;
  object-fit: contain;
  filter: invert(1) sepia(1) saturate(5) hue-rotate(190deg);
}
.l-footer__copy {
  font-size: 0.8125rem;
  color: #999;
}
.l-footer__nav {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.l-footer__nav a {
  font-size: 0.8125rem;
  color: #666;
  transition: color 0.3s;
}
.l-footer__nav a:hover { color: var(--black); }

/* --------------------------------------------------------------------------
   SEC01: FV
   fv_pc.jpg はテキスト込みの合成済み完成画像のためHTML側テキストなし
   ボタンとSCROLLのみオーバーレイ
   -------------------------------------------------------------------------- */
.p-fv {
  position: relative;
  width: 100%;
  /* fv_pc-sp.jpg の縦横比(780:1688)に合わせて高さを可変にし、余白が出ないようにする */
  aspect-ratio: 780 / 1688;
  overflow: hidden;
  background: var(--black);
  /* ヘッダー分下げる */
  margin-top: 30px;
}
@media (min-width: 768px) {
  .p-fv {
    /* fv_pc.jpg の縦横比(3840:1880)に合わせる */
    aspect-ratio: 3840 / 1880;
    margin-top: 80px;
  }
}
.p-fv__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.p-fv__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}
.p-fv__scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}
.p-fv__scroll-text {
  font-family: "Georgia", serif;
  font-size: 0.65rem;
  letter-spacing: 0.4em;
  color: #fff;
}
@media (min-width: 768px) {
  .p-fv__scroll-text {
    font-size: 0.875rem;
  }
}
.p-fv__scroll-line {
  display: block;
  width: 1px;
  height: 54px;
  background: var(--white);
  transform-origin: top;
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); opacity: 1; }
  60%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* --------------------------------------------------------------------------
   SEC02: ISSUE
   -------------------------------------------------------------------------- */
.p-issue {
  background: url('../img/bg_concrete_gray.png') center / cover;
  padding: 50px 0;
}
@media (min-width: 768px) {
  .p-issue { padding: 90px 0; }
}
.p-issue__title {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 900;
  color: var(--black);
  margin-bottom: 2rem;
  line-height: 1.4;
  text-align: center;
}
.p-issue__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .p-issue__cards { grid-template-columns: 1fr 1fr; gap: 24px; }
}
.p-issue__card {
  position: relative;
  background: #fdfdfd;
  color: var(--black);
  padding: 24px;
  display: flex;
  flex-direction: column;
  overflow: visible;
  box-shadow: 5px 5px 10px rgba(0,0,0,0.2);
}
@media (min-width: 768px) {
  .p-issue__card { padding: 32px 24px 0; }
}
@media (max-width: 767px) {
  .p-issue__card:nth-child(2) { margin-top: 20px; }
}
.p-issue__num {
  position: absolute;
  top: -49px;
  left: -49px;
  width: 125px;
  height: auto;
  z-index: 2;
  pointer-events: none;
}
@media (min-width: 768px) {
  .p-issue__num { top: -84px; left: -76px; width: 200px; }
}
.p-issue__corner {
  position: absolute;
  right: -8px;
  bottom: -8px;
  width: 50px;
  height: auto;
  z-index: 1;
  pointer-events: none;
}
@media (min-width: 768px) {
  .p-issue__corner { width: 80px; }
}
.p-issue__card-title {
  font-size: 1.125rem;
  font-weight: 900;
  color: var(--black);
  text-align: center;
  line-height: 1.5;
  padding-bottom: 16px;
  margin-bottom: 14px;
  border-bottom: 1px dashed #333;
}
.p-issue__card-text {
  font-size: 0.875rem;
  color: var(--black);
  text-align: center;
  line-height: 1.7;
  margin-bottom: 20px;
}
.p-issue__card-img {
  margin-top: auto;
  aspect-ratio: 1607 / 979;
  overflow: hidden;
}
.p-issue__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --------------------------------------------------------------------------
   SEC03: BACKGROUND
   -------------------------------------------------------------------------- */
.p-background {
  background: url('../img/3_states_list_bg.png') center / cover;
  padding: 50px 0;
}
@media (min-width: 768px) {
  .p-background { padding: 90px 0; }
}
.p-background__title {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 900;
  color: var(--black);
  margin-bottom: 3rem;
  text-align: center;
  line-height: 1.4;
}
/* スタッガードレイアウト */
.p-background__layout {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}
.p-background__item {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .p-background__item {
    grid-template-columns: 1fr 1fr;
    position: relative;
  }
  .p-background__item-box { grid-column: 1 / -1; }
  .p-background__item--left { align-self: stretch; }
  .p-background__item--right { align-self: stretch; }
  .p-background__item--right .p-background__item-box { margin-left: auto; }
  .p-background__item--right .p-background__item-box {
    padding-left: 300px;
    margin-top: 90px;
  }
}
.p-background__item-box {
  background: var(--black);
  border: 2px solid #dc2626;
  border-radius: 12px;
  box-shadow: 0 0 12px rgba(220,38,38,0.55), 0 0 30px rgba(220,38,38,0.35);
  padding: 28px 45px;
  width: 100%;
  overflow: visible;
  z-index: 1;
}
@media (min-width: 768px) {
  .p-background__item-box { width: 70%; padding: 28px 55px; }
}
.p-background__item-title {
  font-size: 1.25rem;
  font-weight: 900;
  font-style: italic;
  color: var(--white);
  margin-bottom: 12px;
  max-width: 480px;
}
.p-background__item-text {
  font-size: 0.875rem;
  color: #d4d4d8;
  line-height: 1.8;
  max-width: 480px;
}
.p-background__item-img {
  width: 100%;
  z-index: 1;
  aspect-ratio: 1262 / 711;
  overflow: hidden;
}
@media (max-width: 767px) {
  .p-background__item-img { margin-top: -15px; }
}
.p-background__item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
@media (min-width: 768px) {
  .p-background__item-img {
    position: absolute;
    top: 50%;
    right: calc(30% - 183px);
    transform: translateY(-50%);
    width: 440px;
    margin-top: 0;
    z-index: 2;
  }
  .p-background__item--right .p-background__item-img {
    right: auto;
    left: calc(30% - 183px);
    top: 65%;
  }
}

/* --------------------------------------------------------------------------
   SEC04: CHAIN REACTION
   -------------------------------------------------------------------------- */
.p-chain {
  position: relative;
  background: var(--black);
  padding: 50px 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 6vw));
}
@media (min-width: 768px) {
  .p-chain { padding: 90px 0; }
}
@media (min-width: 768px) {
  .p-chain { padding: 90px 0 130px; }
}
.p-chain__inner {
  max-width: 1000px;
}
.p-chain__header {
  text-align: center;
  margin-bottom: 3rem;
}
.p-chain__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 1.75rem;
}
.p-chain__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 1024px) {
  .p-chain__body { grid-template-columns: 1fr 360px; align-items: center; }
}
.p-chain__steps { display: flex; flex-direction: column; gap: 34px; position: relative; }
.p-chain__steps::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 30px;
  bottom: 86px;
  width: 1px;
  background: rgba(255,255,255,0.25);
  z-index: 0;
}
.p-chain__step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}
.p-chain__step-num {
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  color: var(--white);
  line-height: 1;
  box-sizing: border-box;
  padding-top: 5px;
  width: 56px;
  height: 56px;
  background: var(--red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.p-chain__step-body { flex: 1; padding-top: 2px; }
.p-chain__step-title {
  font-size: 1.375rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}
.p-chain__step-text {
  font-size: 0.8125rem;
  color: #d4d4d8;
  margin-bottom: 10px;
  line-height: 1.6;
}
.p-chain__step-sub {
  display: flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  max-width: 100%;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,0.5);
  padding-bottom: 8px;
  line-height: 1.6;
}
.p-chain__step-sub-icon {
  width: 22px;
  height: auto;
  flex-shrink: 0;
  margin-top: 5px;
}
.p-chain__img img {
  width: 100%;
  max-width: 215px;
  aspect-ratio: 628 / 1402;
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .p-chain__img {
    display: flex;
    justify-content: center;
  }
  .p-chain__img img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 480px;
    object-fit: contain;
  }
}

/* --------------------------------------------------------------------------
   SEC05: CONCEPT
   -------------------------------------------------------------------------- */
.p-concept {
  position: relative;
  background: url('../img/bg_white.png') center / cover, #e8e8e8;
  padding: 40px 0;
  overflow: hidden;
}
@media (min-width: 768px) {
  .p-concept { padding: 100px 0; }
}
.p-concept__inner { position: relative; z-index: 1; text-align: center; max-width: 1000px; }
.p-concept__head {
  position: relative;
  text-align: center;
  margin-bottom: 1.5rem;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.p-concept__bg-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: skewX(-10deg) scaleY(0.96);
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  line-height: 1;
  font-size: clamp(4rem, 13vw, 10.5rem);
  color: rgba(220,38,38,0.5);
  white-space: nowrap;
  letter-spacing: 0.04em;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.p-concept__title {
  position: relative;
  z-index: 1;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 900;
  color: var(--black);
  text-align: center;
  line-height: 1.4;
}
.p-concept__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .p-concept__cards { grid-template-columns: 1fr 1fr; gap: 24px; }
}
.p-concept__card {
  position: relative;
  background: rgba(53,53,53,0.85);
  border-radius: 16px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}
.p-concept__card--power {
  background: linear-gradient(180deg, #111 0%, #0a0a0a 100%);
  border: 1px solid var(--red);
  box-shadow: 0 0 20px 2px rgba(185,28,28,0.55);
  overflow: visible;
}
@media (max-width: 767px) {
  .p-concept__card--power { margin-top: 20px; }
}
.p-concept__card--power::before {
  content: 'POWER BONE';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  margin: 0 auto;
  width: 70%;
  transform: translateY(-50%);
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  font-size: 1.325rem;
  letter-spacing: 0.1em;
  padding: 6px 22px;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  z-index: 2;
}
@media (min-width: 768px) {
  .p-concept__card--power::before {
    width: 40%;
    font-size: 1.125rem;
  }
}
.p-concept__card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  text-align: center;
  margin-bottom: 18px;
}
.p-concept__card-img {
  position: relative;
  margin-bottom: 20px;
  background: #111;
  border: 1px solid #27272a;
  border-radius: 8px;
  padding: 16px;
  z-index: 1;
}
.p-concept__card-img img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  max-height: 160px;
}
.p-concept__list {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-left: auto;
  margin-right: auto;
}
.p-concept__list li {
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  color: var(--white);
}
.p-concept__list--ng li::before {
  content: '✕';
  color: #999;
  font-weight: 900;
  flex-shrink: 0;
}
.p-concept__list--ok li::before {
  content: '✓';
  color: var(--red);
  font-weight: 900;
  flex-shrink: 0;
}
.p-concept__card::after {
  content: 'CONVENTIONAL';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  text-align: center;
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 4.375rem);
  letter-spacing: 0.05em;
  color: rgba(128,128,128,0.35);
  pointer-events: none;
  z-index: 0;
}
.p-concept__card--power::after {
  content: 'NEW STANDARD';
  color: rgba(220,38,38,0.25);
}

/* --------------------------------------------------------------------------
   SEC06: 3 STATES
   -------------------------------------------------------------------------- */
.p-states {
  background: var(--black);
  overflow: hidden;
}
.p-states__head {
  position: relative;
  background: var(--black);
  text-align: center;
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.p-states__head-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  line-height: 1;
  font-size: clamp(4rem, 16vw, 9rem);
  color: rgba(220,38,38,0.5);
  letter-spacing: 0.04em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.p-states__title {
  position: relative;
  z-index: 1;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: var(--white);
}
/* 3 STATES: 各アイテム */
.p-states__list { display: flex; flex-direction: column; }
.p-states__item {
  display: grid;
  grid-template-columns: 1fr;
  position: relative;
  min-height: 220px;
  background: url('../img/3_states_list_bg.png') center / cover, #ececec;
}
@media (min-width: 768px) {
  .p-states__item {
    grid-template-columns: 1fr 1fr;
    min-height: 360px;
  }
}
.p-states__item-img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
  display: block;
}
.p-states__item-body {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 24px;
}
@media (min-width: 768px) {
  .p-states__item-body { padding: 40px 52px 40px 80px; gap: 14px; }
}
.p-states__item-head {
  display: flex;
  align-items: center;
  gap: 12px;
}
.p-states__item-num {
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  font-size: 5rem;
  font-style: italic;
  padding: 10px;
  line-height: 1;
  background: linear-gradient(180deg, #b91c1c, #530d0d);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.p-states__item-title {
  font-size: clamp(1.0625rem, 2.2vw, 1.5rem);
  font-weight: 900;
  color: var(--black);
  line-height: 1.35;
}
.p-states__item-text {
  font-size: 0.975rem;
  color: var(--black);
  line-height: 1.85;
}

/* --------------------------------------------------------------------------
   SEC07: STRUCTURE & SCIENCE（画像左・テキスト右）
   -------------------------------------------------------------------------- */
.p-science {
  position: relative;
  background: url('../img/bg_black_03.png') center / cover, #050510;
  padding: 50px 0;
  overflow: hidden;
}
@media (min-width: 768px) {
  .p-science { padding: 90px 0; }
}
.p-science__inner {
  position: relative;
  z-index: 1;
  max-width: 1000px;
}
.p-science__head {
  position: relative;
  text-align: center;
  margin-bottom: 3rem;
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.p-science__bg-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  line-height: 1;
  font-size: clamp(4rem, 13vw, 9rem);
  color: rgba(220,38,38,0.35);
  letter-spacing: 0.04em;
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.p-science__title {
  position: relative;
  z-index: 1;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--white);
}
.p-science__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 1024px) {
  /* 画像: 左 / テキスト: 右（右カラムの高さに画像を合わせる） */
  .p-science__row { grid-template-columns: 230px 1fr; }
}
.p-science__img {
  overflow: hidden;
  aspect-ratio: 206 / 557;
  max-width: 180px;
  margin: 0 auto;
}
@media (min-width: 1024px) {
  .p-science__img { aspect-ratio: auto; height: 100%; max-width: none; margin: 0; }
}
.p-science__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.p-science__box {
  padding-bottom: 8px;
  margin-bottom: 2rem;
}
.p-science__box-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  border-left: 4px solid #b91c1c;
  padding-left: 14px;
  margin-bottom: 14px;
}
.p-science__box-text {
  font-size: 0.9375rem;
  color: #d4d4d8;
  line-height: 1.7;
}
.p-science__mechanism {
  border: 3px solid var(--navy);
  box-shadow: 0 0 30px 6px rgba(32,53,129,0.6);
  padding: 28px 32px;
}
.p-science__mechanism-title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 16px;
}
.p-science__mechanism-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.p-science__mechanism-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.9375rem;
  color: #d4d4d8;
  font-weight: 500;
  line-height: 1.5;
}
.p-science__mechanism-list li.is-accent {
  color: var(--white);
  font-weight: 700;
}
.p-science__mnum {
  font-family: 'Teko', sans-serif;
  font-weight: 400;
  font-size: 1.5rem;
  color: #52525b;
  flex-shrink: 0;
  line-height: 1.2;
  min-width: 24px;
}
.p-science__mechanism-list li.is-accent .p-science__mnum {
  font-weight: 700;
  color: var(--red);
}

/* --------------------------------------------------------------------------
   SEC08: VIDEO
   -------------------------------------------------------------------------- */
.p-video {
  position: relative;
  background: url('../img/bg_black_02.png') center / cover, var(--black);
  padding: 90px 0;
  text-align: center;
}
.p-video__frame {
  position: relative;
  width: 100%;
  max-width: 780px;
  margin: 0 auto 20px;
  aspect-ratio: 16 / 9;
  background: #111;
  overflow: hidden;
}
.p-video__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.p-video__note {
  font-size: 0.8125rem;
  color: var(--gray);
  text-align: center;
}

/* --------------------------------------------------------------------------
   SEC09: LIFESTYLE
   -------------------------------------------------------------------------- */
.p-lifestyle {
  background: url('../img/bg_white_blue.png') center / cover;
  overflow: hidden;
}
.p-lifestyle__inner {
  display: flex;
  flex-direction: column;
}
@media (min-width: 1024px) {
  .p-lifestyle__inner { flex-direction: row; align-items: center; }
  .p-lifestyle__content { flex: 0 0 38%; min-width: 420px; margin-left: 70px; padding: 0; }
  .p-lifestyle__photos { flex: 1 1 auto; min-width: 0; }
}
.p-lifestyle__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  padding: 50px 20px;
}
.p-lifestyle__title {
  font-family: 'Teko', sans-serif;
  font-weight: 700;
  font-size: clamp(3.5rem, 7vw, 8.125rem);
  color: #DC2626;
  line-height: 0.85;
  letter-spacing: 0.05em;
}
.p-lifestyle__heading {
  font-size: clamp(1.375rem, 2.6vw, 2rem);
  font-weight: 900;
  color: var(--black);
  line-height: 1.2;
}
.p-lifestyle__lead {
  font-size: 1rem;
  color: #444;
  line-height: 1.625;
}
.p-lifestyle__text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #333;
  line-height: 1.3;
}
.p-lifestyle__marker {
  display: inline;
  background-color: transparent;
  background-image: linear-gradient(rgba(220,38,38,0.55), rgba(220,38,38,0.55));
  background-repeat: no-repeat;
  background-size: 100% 38%;
  background-position: 0 78%;
  color: var(--black);
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.1;
}
.p-lifestyle__photos {
  overflow: hidden;
  aspect-ratio: 1992 / 1232;
}
.p-lifestyle__photos img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* --------------------------------------------------------------------------
   SEC10: STORY（画像左・テキスト右）
   -------------------------------------------------------------------------- */
.p-story {
  background: url('../img/bg_white_black.png') center / cover, var(--dark);
  padding: 80px 0;
  overflow: hidden;
}
.p-story__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 1024px) {
  .p-story__inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}
.p-story__img {
  position: relative;
}
@media (max-width: 767px) {
  .p-story__img {
    width: calc(100% + var(--pd-sp) * 2);
    margin-left: calc(-1 * var(--pd-sp));
    margin-right: calc(-1 * var(--pd-sp));
  }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .p-story__img {
    width: calc(100% + var(--pd-pc) * 2);
    margin-left: calc(-1 * var(--pd-pc));
    margin-right: calc(-1 * var(--pd-pc));
  }
}
.p-story__img img {
  width: 100%;
  aspect-ratio: 1350 / 876;
  object-fit: cover;
  display: block;
}
@media (min-width: 1024px) {
  .p-story__img img {
    max-width: 550px;
    aspect-ratio: 1212 / 934;
    margin: 0 auto;
  }
}
.p-story__title {
  font-family: "Georgia", serif;
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-style: italic;
  color: #DC2626;
  line-height: 0.9;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.p-story__heading {
  font-size: clamp(1.125rem, 2.5vw, 1.625rem);
  font-weight: 900;
  color: #0A0A0A;
  margin-bottom: 16px;
  line-height: 1.4;
}
.p-story__lead {
  font-size: 1rem;
  font-weight: 700;
  color: #0A0A0A;
  margin-bottom: 20px;
  line-height: 1.5;
}
.p-story__text {
  font-size: 0.875rem;
  color: #0A0A0A;
  line-height: 1.9;
  margin-bottom: 14px;
}

/* --------------------------------------------------------------------------
   SEC11: VOICE
   -------------------------------------------------------------------------- */
.p-voice {
  position: relative;
  background: url('../img/voice_img.png') 30% center / cover no-repeat;
  padding: 25px 0;
  overflow: hidden;
}
@media (min-width: 768px) {
  .p-voice { padding: 80px 0; }
}
.p-voice__inner {
  position: relative;
  z-index: 1;
}
.p-voice__head {
  position: relative;
  text-align: center;
  margin-bottom: 2.5rem;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.p-voice__title-en {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Georgia", serif;
  font-size: clamp(4rem, 13vw, 7.5rem);
  font-style: italic;
  font-weight: bold;
  color: rgba(220, 38, 38, 0.45);
  -webkit-text-stroke: 1px rgba(220, 38, 38, 0.45);
  letter-spacing: 0.06em;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.p-voice__heading {
  position: relative;
  z-index: 1;
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  font-weight: 700;
  color: var(--white);
}
.p-voice__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 768px) {
  .p-voice__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
}
.p-voice__card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
}
.p-voice__card-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.p-voice__card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.p-voice__card-body {
  padding: 16px 20px 20px;
}
.p-voice__card-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--black);
  text-align: right;
  margin-bottom: 4px;
}
.p-voice__card-sport {
  font-size: 0.8125rem;
  color: var(--gray);
  text-align: right;
  margin-bottom: 10px;
}
.p-voice__card-line {
  border: none;
  border-top: 1.5px solid #DC2626;
  margin-bottom: 12px;
  box-shadow:
    0 0 4px rgba(220, 38, 38, 0.35),
    0 0 10px rgba(220, 38, 38, 0.15);
}
.p-voice__card-text {
  font-size: 0.875rem;
  color: #0A0A0A;
  line-height: 1.8;
  text-align: left;
}

/* --------------------------------------------------------------------------
   SEC12: FAQ
   -------------------------------------------------------------------------- */
.p-faq {
  background: url('../img/bg_white_blue.png') center / cover, #e8e8e8;
  padding: 20px 0 100px;
  overflow: hidden;
}
@media (min-width: 768px) {
  .p-faq { padding: 80px 0 100px; }
}

/* タイトルエリア: Q&Aテキストと見出しを重ねる */
.p-faq__head {
  position: relative;
  text-align: center;
  margin-bottom: 2rem;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 768px) {
  .p-faq__head { margin-bottom: 3rem; }
}
.p-faq__bg-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Georgia", serif;
  font-size: clamp(4rem, 13vw, 7.5rem);
  font-style: italic;
  font-weight: bold;
  color: rgba(220, 38, 38, 0.45);
  -webkit-text-stroke: 1px rgba(220, 38, 38, 0.45);
  letter-spacing: 0.06em;
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.p-faq__title {
  position: relative;
  z-index: 1;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 900;
  color: var(--black);
}

/* アコーディオンリスト */
.p-faq__list {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.p-faq__item {}

/* 質問: ダーク背景の独立ボックス */
.p-faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: #111111;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
  list-style: none;
}
.p-faq__question:hover { background: #1a1a1a; }

.p-faq__q-mark {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--red);
  flex-shrink: 0;
  line-height: 1;
}
.p-faq__q-text {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
  flex: 1;
  line-height: 1.5;
}
/* + アイコン */
.p-faq__plus {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.7);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.3s;
  font-weight: 300;
}
.p-faq__question.is-open .p-faq__plus {
  transform: rotate(45deg);
}

/* 回答: 薄いグレー背景の独立ボックス */
.p-faq__answer {
  display: none;
  background: #c8c8c8;
  padding: 18px 20px;
}
.p-faq__answer p {
  font-size: 0.9375rem;
  color: #222;
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   SEC13: CTA
   -------------------------------------------------------------------------- */
.p-cta {
  background: url('../img/bg_black_03.png') center / cover, var(--black);
  padding: 90px 0;
}
.p-cta__frame {
  border: 2px solid var(--red);
  border-radius: 12px;
  box-shadow:
    0 0 20px rgba(179,0,0,0.5),
    0 0 60px rgba(179,0,0,0.3),
    0 0 100px rgba(179,0,0,0.15),
    inset 0 0 40px rgba(179,0,0,0.05);
  padding: 40px 20px;
  text-align: center;
  animation: ctaGlow 2.5s ease-in-out infinite alternate;
}
@keyframes ctaGlow {
  from {
    box-shadow:
      0 0 15px rgba(179,0,0,0.4),
      0 0 50px rgba(179,0,0,0.2),
      0 0 80px rgba(179,0,0,0.1),
      inset 0 0 20px rgba(179,0,0,0.03);
  }
  to {
    box-shadow:
      0 0 25px rgba(179,0,0,0.65),
      0 0 70px rgba(179,0,0,0.4),
      0 0 120px rgba(179,0,0,0.2),
      inset 0 0 50px rgba(179,0,0,0.1);
  }
}
@media (min-width: 768px) { .p-cta__frame { padding: 60px 48px; } }
.p-cta__title {
  font-family: "Georgia", serif;
  font-size: clamp(2rem, 6vw, 4.5rem);
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
@media (min-width: 768px) {
  .p-cta__title { font-size: clamp(2.5rem, 6vw, 4.5rem); }
}
.p-cta__subtitle { font-size: 1.075rem; color: #fff; margin-bottom: 2.5rem; text-align: center; }
@media (min-width: 768px) {
  .p-cta__subtitle { font-size: 1.175rem; }
}
.p-cta__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 36px;
}
.p-cta__imgs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
  max-width: 660px;
}
@media (min-width: 768px) {
  .p-cta__imgs { grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 560px; }
  .p-cta__img--top {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc(50% - 12px);
  }
}
.p-cta__img { aspect-ratio: 4528 / 3019; }
.p-cta__img--top { aspect-ratio: 1832 / 1364; }
.p-cta__img img { width: 100%; height: 100%; object-fit: contain; }
.p-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--grad);
  box-shadow: 0 0 10px var(--red-glow);
  color: var(--white);
  font-size: 1.0625rem;
  font-weight: 700;
  padding: 16px 40px;
  border-radius: 9999px;
  transition: opacity 0.3s;
  width: 100%;
  max-width: 400px;
}
.p-cta__btn:hover { opacity: 0.85; }

/* --------------------------------------------------------------------------
   Legal Pages（特定商取引法・プライバシーポリシー）
   -------------------------------------------------------------------------- */
.p-legal {
  padding: 110px 0 80px;
}
@media (min-width: 768px) {
  .p-legal { padding: 150px 0 100px; }
}
.p-legal__inner {
  max-width: 800px;
}
.p-legal__title {
  font-size: 1.5rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 20px;
  margin-bottom: 32px;
}
@media (min-width: 768px) {
  .p-legal__title { font-size: 1.875rem; }
}
.p-legal__lead {
  margin-bottom: 32px;
  line-height: 1.9;
}
.p-legal__h2 {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 40px 0 16px;
}
.p-legal p {
  line-height: 1.9;
  margin-bottom: 12px;
}
.p-legal__sub {
  margin-top: 20px;
}
.p-legal__ul {
  margin: 0 0 16px;
  padding-left: 1.4em;
}
.p-legal__ul li {
  list-style: disc;
  line-height: 1.9;
  margin-bottom: 4px;
}
.p-legal__address { line-height: 1.9; }
.p-legal__note {
  font-size: 0.8125rem;
  color: var(--gray);
}
.p-legal__list { margin-top: 8px; }
.p-legal__row {
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  display: grid;
  gap: 8px;
}
@media (min-width: 768px) {
  .p-legal__row {
    grid-template-columns: 220px 1fr;
    gap: 24px;
  }
}
.p-legal__row dt {
  font-weight: 700;
  color: var(--gray);
}
.p-legal__row dd {
  line-height: 1.9;
  margin: 0;
}