/* =========================================
   BRIJCS 納骨堂LP — style.css
   墨黒 × 深緑 × ゴールド
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;600;700&family=Noto+Sans+JP:wght@300;400;500&family=Cormorant+Garamond:ital,wght@0,300;0,600;1,300;1,600&display=swap');

/* ── RESET & BASE ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --ink:        #0d0d0b;      /* 墨黒 — 奇数セクション */
  --forest:     #0e1510;      /* 深緑 — 偶数セクション */
  --forest-mid: #141c15;      /* 深緑ミッド */
  --forest-dim: #1a2419;      /* 深緑ライト */

  --gold:       #c4a44a;      /* メインゴールド */
  --gold-bright:#d9bc6e;      /* ホバーゴールド */
  --gold-dim:   #8a7030;      /* 暗めゴールド */
  --gold-pale:  #ede0b8;      /* 薄いゴールド(テキスト) */
  --gold-line:  rgba(196,164,74,0.25); /* 区切り線 */

  --white:      #f4efe6;
  --gray-light: #8a8878;
  --gray-mid:   #5a5848;

  /* Typography */
  --font-serif: 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;
  --font-en:    'Cormorant Garamond', serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 130px);
  --side-pad:    clamp(24px, 6vw, 80px);
  --max-w:       1100px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--ink); }
::-webkit-scrollbar-thumb { background: var(--gold-dim); }

img { display: block; max-width: 100%; }
a { text-decoration: none; }

/* =========================================
   UTILITY
   ========================================= */

.u-section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad) var(--side-pad);
}

.u-label {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.35em;
  color: var(--gold);
  display: block;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.u-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3.8vw, 42px);
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 24px;
}

.u-title em {
  font-style: normal;
  color: var(--gold);
}

.u-lead {
  font-size: clamp(13px, 1.4vw, 15px);
  line-height: 2.1;
  color: var(--gray-light);
  letter-spacing: 0.08em;
  max-width: 640px;
}

.u-gold-rule {
  width: 48px;
  height: 1px;
  background: linear-gradient(to right, var(--gold), transparent);
  margin-bottom: 28px;
}

/* Divider between sections */
.u-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-line), transparent);
}

/* =========================================
   SCROLL ANIMATION
   ========================================= */

.js-fade {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.85s cubic-bezier(.22,.61,.36,1),
              transform 0.85s cubic-bezier(.22,.61,.36,1);
}
.js-fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.js-fade.d1 { transition-delay: 0.1s; }
.js-fade.d2 { transition-delay: 0.22s; }
.js-fade.d3 { transition-delay: 0.34s; }
.js-fade.d4 { transition-delay: 0.46s; }
.js-fade.d5 { transition-delay: 0.58s; }

/* =========================================
   FIXED CTA BAR
   ========================================= */

.l-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(13,13,11,0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--gold-line);
  padding: 14px var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transform: translateY(100%);
  transition: transform 0.55s cubic-bezier(.22,.61,.36,1);
}

.l-cta-bar.is-visible {
  transform: translateY(0);
}

.l-cta-bar__text {
  font-size: 12px;
  color: var(--gray-light);
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.l-cta-bar__btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.12em;
  padding: 11px 28px;
  transition: background 0.25s;
  white-space: nowrap;
}

.l-cta-bar__btn:hover { background: var(--gold-bright); }
.l-cta-bar__btn::after { content: '→'; font-family: sans-serif; }

/* =========================================
   HERO  (bg: ink)
   ========================================= */

.s-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--ink);
}

.s-hero__bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(13,13,11,0.45) 0%, rgba(13,13,11,0.78) 60%, rgba(13,13,11,1) 100%),
    url('../images/hero_bg.jpg') center / cover no-repeat;
  transform: scale(1.06);
  transition: transform 9s cubic-bezier(.25,.46,.45,.94);
}

.s-hero__bg.is-zoomed { transform: scale(1); }

.s-hero__inner {
  position: relative;
  z-index: 2;
  padding: 0 var(--side-pad) clamp(64px, 10vw, 100px);
  max-width: calc(var(--max-w) + var(--side-pad) * 2);
}

.s-hero__en {
  font-family: var(--font-en);
  font-style: italic;
  font-size: clamp(12px, 1.3vw, 15px);
  color: var(--gold);
  letter-spacing: 0.3em;
  display: block;
  margin-bottom: 20px;

  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s 0.3s, transform 0.9s 0.3s;
}

.s-hero__sub {
  font-family: var(--font-serif);
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 300;
  color: var(--gold-pale);
  letter-spacing: 0.22em;
  display: block;
  margin-bottom: 14px;

  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s 0.55s, transform 0.9s 0.55s;
}

.s-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(38px, 7vw, 80px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 36px;

  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1s 0.8s, transform 1s 0.8s;
}

.s-hero__title span {
  color: var(--gold);
  display: block;
}

.s-hero__desc {
  font-size: clamp(12px, 1.3vw, 14px);
  color: var(--gray-light);
  line-height: 2.1;
  letter-spacing: 0.1em;
  max-width: 420px;
  margin-bottom: 48px;

  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s 1.1s, transform 0.9s 1.1s;
}

.s-hero__cta {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s 1.3s, transform 0.9s 1.3s;
}

.s-hero.is-active .s-hero__en,
.s-hero.is-active .s-hero__sub,
.s-hero.is-active .s-hero__title,
.s-hero.is-active .s-hero__desc,
.s-hero.is-active .s-hero__cta {
  opacity: 1;
  transform: translateY(0);
}

.c-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(13px, 1.5vw, 16px);
  letter-spacing: 0.15em;
  padding: clamp(16px, 2vw, 20px) clamp(32px, 4vw, 52px);
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
}

.c-btn-primary::after {
  content: '→';
  font-family: sans-serif;
  font-size: 0.9em;
}

.c-btn-primary:hover {
  background: var(--gold-bright);
  transform: translateX(5px);
}

.s-hero__scroll {
  position: absolute;
  bottom: 36px;
  right: var(--side-pad);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--gray-mid);
  font-size: 9px;
  letter-spacing: 0.25em;
  writing-mode: vertical-rl;

  opacity: 0;
  transition: opacity 0.8s 2s;
}

.s-hero.is-active .s-hero__scroll { opacity: 1; }

.s-hero__scroll::before {
  content: '';
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--gold));
  animation: scrollPulse 2.2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%,100% { opacity: 0.25; transform: scaleY(0.4); }
  55%      { opacity: 1;    transform: scaleY(1); }
}

/* =========================================
   ISSUE  (bg: forest)
   ========================================= */

.s-issue {
  background: var(--forest);
  position: relative;
}

.s-issue__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--gold-line);
}

.s-issue__card {
  background: var(--forest-mid);
  padding: clamp(28px, 3.5vw, 48px) clamp(24px, 3vw, 40px);
  position: relative;
  overflow: hidden;
  transition: background 0.35s;
}

.s-issue__card:hover { background: var(--forest-dim); }

.s-issue__card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s cubic-bezier(.22,.61,.36,1);
}

.s-issue__card:hover::after { transform: scaleX(1); }

.s-issue__num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 56px;
  font-weight: 300;
  color: var(--gold-dim);
  line-height: 1;
  display: block;
  margin-bottom: 22px;
}

.s-issue__card-title {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.s-issue__card-text {
  font-size: 13px;
  line-height: 2;
  color: var(--gray-light);
  letter-spacing: 0.06em;
}

/* =========================================
   PROPOSAL  (bg: ink)
   ========================================= */

.s-proposal {
  background: var(--ink);
  position: relative;
}

.s-proposal__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--gold-line);
}

.s-proposal__card {
  background: #111110;
  padding: clamp(32px, 4vw, 56px) clamp(24px, 3vw, 40px);
  position: relative;
  overflow: hidden;
}

.s-proposal__card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(.22,.61,.36,1);
}

.s-proposal__card:hover::before { transform: scaleX(1); }

.s-proposal__tag {
  display: inline-block;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 4px 14px;
  margin-bottom: 20px;
}

.s-proposal__icon {
  font-size: 30px;
  display: block;
  margin-bottom: 16px;
  filter: grayscale(0.3);
}

.s-proposal__card-title {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.8vw, 21px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 18px;
  line-height: 1.6;
}

.s-proposal__card-text {
  font-size: 13px;
  line-height: 2.1;
  color: var(--gray-light);
  letter-spacing: 0.06em;
}

/* =========================================
   REASON  (bg: forest)
   ========================================= */

.s-reason {
  background: var(--forest);
  position: relative;
}

.s-reason__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--gold-line);
}

.s-reason__item {
  background: var(--forest-mid);
  padding: clamp(36px, 4vw, 56px) clamp(24px, 3vw, 36px);
  text-align: center;
}

.s-reason__counter-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 6px;
}

.s-reason__counter {
  font-family: var(--font-en);
  font-style: italic;
  font-size: clamp(52px, 5.5vw, 72px);
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
}

.s-reason__counter-unit {
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 300;
  color: var(--gold);
}

.s-reason__counter-label {
  font-size: 10px;
  color: var(--gold-dim);
  letter-spacing: 0.22em;
  display: block;
  margin-bottom: 22px;
  text-transform: uppercase;
}

.s-reason__item-title {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  line-height: 1.7;
  margin-bottom: 14px;
}

.s-reason__item-text {
  font-size: 13px;
  line-height: 2;
  color: var(--gray-light);
  letter-spacing: 0.05em;
}

/* =========================================
   INCOME  (bg: ink, with image)
   ========================================= */

.s-income {
  background: var(--ink);
  position: relative;
}

.s-income__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: center;
  margin-top: 56px;
}

.s-income__img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.s-income__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.s-income__img-wrap:hover img { transform: scale(1.04); }

.s-income__img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid var(--gold-line);
  pointer-events: none;
}

.s-income__img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--forest-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-mid);
  font-size: 12px;
  letter-spacing: 0.12em;
  line-height: 2;
  text-align: center;
}

.s-income__points {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.s-income__point {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.s-income__point:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.s-income__point-num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 34px;
  font-weight: 300;
  color: var(--gold-dim);
  line-height: 1;
  flex-shrink: 0;
  width: 32px;
}

.s-income__point-title {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.s-income__point-text {
  font-size: 13px;
  line-height: 2;
  color: var(--gray-light);
  letter-spacing: 0.06em;
}

/* =========================================
   CONSULT  (bg: forest)
   ========================================= */

.s-consult {
  background: var(--forest);
  position: relative;
}

.s-consult__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 56px;
  background: var(--gold-line);
}

.s-consult__item {
  background: var(--forest-mid);
  padding: clamp(28px, 3.5vw, 44px) clamp(24px, 3vw, 40px);
  display: flex;
  gap: 22px;
  align-items: flex-start;
  transition: background 0.3s;
}

.s-consult__item:hover { background: var(--forest-dim); }

.s-consult__icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--gold-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
  color: var(--gold);
}

.s-consult__item-title {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.5vw, 17px);
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.s-consult__item-text {
  font-size: 13px;
  line-height: 2;
  color: var(--gray-light);
  letter-spacing: 0.05em;
}

.s-consult__note {
  margin-top: 48px;
  padding: 32px 40px;
  border: 1px solid var(--gold-line);
  text-align: center;
  background: rgba(196,164,74,0.03);
}

.s-consult__note p {
  font-family: var(--font-serif);
  font-size: clamp(14px, 1.5vw, 16px);
  color: var(--gold-pale);
  letter-spacing: 0.12em;
  line-height: 2;
}

.s-consult__note strong {
  color: var(--gold);
}

/* =========================================
   CTA SECTION  (bg: ink)
   ========================================= */

.s-cta {
  background: var(--ink);
  text-align: center;
  position: relative;
}

.s-cta::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-dim), transparent);
}

.s-cta__catch {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4.5vw, 52px);
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 20px;
}

.s-cta__catch em {
  font-style: normal;
  color: var(--gold);
}

.s-cta__sub {
  font-size: clamp(13px, 1.4vw, 15px);
  color: var(--gray-light);
  letter-spacing: 0.1em;
  line-height: 2;
  margin-bottom: 52px;
}

.c-btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(14px, 1.8vw, 18px);
  letter-spacing: 0.15em;
  padding: clamp(18px, 2.2vw, 24px) clamp(40px, 5vw, 64px);
  transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 0 0 1px var(--gold-dim);
}

.c-btn-cta::after {
  content: '→';
  font-family: sans-serif;
}

.c-btn-cta:hover {
  background: var(--gold-bright);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(196,164,74,0.25);
}

.s-cta__tel {
  margin-top: 36px;
  font-size: 12px;
  color: var(--gray-mid);
  letter-spacing: 0.1em;
}

.s-cta__tel a {
  display: block;
  margin-top: 8px;
  font-family: var(--font-en);
  font-size: clamp(22px, 3vw, 30px);
  letter-spacing: 0.1em;
  color: var(--gold-pale);
  transition: color 0.25s;
}

.s-cta__tel a:hover { color: var(--gold); }

/* =========================================
   COMPANY  (bg: forest)
   ========================================= */

.s-company {
  background: var(--forest);
  position: relative;
}

.s-company::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--gold-line), transparent);
}

.s-company__inner {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}

.s-company__logo-text {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 26px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.05em;
}

.s-company__logo-img {
  max-width: 160px;
}

.s-company__logo-sub {
  font-family: var(--font-serif);
  font-size: 11px;
  color: var(--gray-light);
  letter-spacing: 0.1em;
  margin-top: 10px;
  line-height: 1.8;
}

.s-company__table {
  width: 100%;
  border-collapse: collapse;
}

.s-company__table tr {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.s-company__table th {
  text-align: left;
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 400;
  color: var(--gold-dim);
  letter-spacing: 0.12em;
  padding: 16px 24px 16px 0;
  vertical-align: top;
  width: 130px;
  white-space: nowrap;
}

.s-company__table td {
  font-size: 13px;
  color: var(--gray-light);
  padding: 16px 0;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

/* =========================================
   FOOTER
   ========================================= */

.l-footer {
  background: #080808;
  padding: 22px var(--side-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(196,164,74,0.12);
  flex-wrap: wrap;
  gap: 12px;
}

.l-footer__copy {
  font-size: 11px;
  color: var(--gray-mid);
  letter-spacing: 0.1em;
}

.l-footer__brand {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--gold-dim);
  letter-spacing: 0.08em;
}

/* =========================================
   RESPONSIVE
   ========================================= */

@media (max-width: 860px) {
  .s-issue__grid,
  .s-proposal__grid,
  .s-reason__grid {
    grid-template-columns: 1fr;
  }

  .s-income__content {
    grid-template-columns: 1fr;
  }

  .s-consult__grid {
    grid-template-columns: 1fr;
  }

  .s-company__inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .l-cta-bar__text { display: none; }

  .s-hero__scroll { display: none; }
}

@media (max-width: 540px) {
  .s-issue__card,
  .s-proposal__card,
  .s-consult__item {
    padding: 28px 20px;
  }

  .s-reason__item {
    padding: 36px 20px;
  }

  .s-consult__note {
    padding: 24px 20px;
  }

  .l-footer {
    flex-direction: column;
    text-align: center;
  }
}