/* ===== VARIABLES ===== */
:root {
  --color-primary: #2C5498;
  --color-accent: #A8F83F;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-body: #4A4A4A;
  --color-muted: #B0B0B0;
  --color-bg: #F2F2F2;
  --color-bg-light: rgba(0,0,0,0.05);

  --font-heading: 'Zen Old Mincho', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;
  --font-hero: 'Noto Sans JP', sans-serif;
  --font-number: 'Times New Roman', serif;

  --h2: 42px;
  --h3: 32px;
  --h4: 24px;
  --para-xl: 20px;
  --para-l: 18px;
  --para-m: 16px;
  --para-s: 13px;

  --max-w: 1280px;
  --px: 160px;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-black);
  background: var(--color-white);
  overflow-x: hidden;
  position: relative;
}

img { display: block; max-width: 100%; }
p { line-height: 1.5; }
a { text-decoration: none; color: inherit; }

/* ===== UTILITY ===== */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== LOGO ===== */
.logo {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.1em;
  color: var(--color-black);
  line-height: 1.2;
  white-space: nowrap;
}
.logo span {
  display: block;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
  margin-top: 2px;
  color: var(--color-body);
}

/* ===== BUTTONS ===== */
.btn-wrap {
  display: flex;
  gap: 14px;
  align-items: stretch;
  flex-wrap: wrap;
}
.btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 30px 70px 25px;
  border-radius: 2px;
  min-width: 280px;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.85; }
.btn-primary { background: var(--color-accent); }
.btn-secondary { background: var(--color-white); }
.btn-label {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--color-black);
  display: flex;
  align-items: center;
  gap: 5px;
}
.btn-label .badge {
  background: var(--color-black);
  color: var(--color-white);
  font-size: 14px;
  padding: 0 6px;
  font-weight: 500;
}
.btn-sub {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 13px;
  color: var(--color-black);
}
.btn-arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  background: rgba(0,0,0,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-arrow::after {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-top: 2px solid #000;
  border-right: 2px solid #000;
  transform: rotate(45deg) translateX(-2px);
}
.btn-primary .btn-arrow { background: rgba(0,0,0,0.2); }
.btn-primary .btn-arrow::after { border-color: #000; }

/* ===== SECTION HEADING ===== */
.sec-heading {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-primary);
  text-align: center;
}
.sec-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
  text-align: center;
}

/* ===== DIAMOND BULLET ===== */
.diamond-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.diamond-icon::before,
.diamond-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
}
.diamond-icon::before {
  width: 44px;
  height: 2px;
}
.diamond-icon::after {
  width: 2px;
  height: 44px;
}
.diamond-wrap {
  transform: rotate(45deg);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== CHECK CIRCLE ICON ===== */
.check-circle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.check-circle::after {
  content: '';
  display: block;
  width: 10px;
  height: 6px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg) translateY(-2px);
}
.check-filled {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}
.check-filled::after {
  content: '';
  display: block;
  width: 12px;
  height: 7px;
  border-left: 2.5px solid white;
  border-bottom: 2.5px solid white;
  transform: rotate(-45deg) translateY(-2px);
}

/* ===== SECTION DIVIDER LINE ===== */
.sec-line {
  width: 1px;
  height: 100px;
  background: var(--color-black);
  margin: 0 auto;
}

.br-sp { display: none; }
.callout-line-sp { display: none; }
.ja-m { font-family: 'Shippori Mincho B1', 'Noto Serif JP', serif; }
.punct { display: inline-block; margin-inline-end: -0.45em; }

/* ==============================
   1. FV / HERO SECTION
============================== */
#fv {
  position: relative;
  width: 100%;
  height: 100vh;
  background-color: var(--color-bg);
  overflow: hidden;
}
.fv-bg-pattern {
  position: absolute;
  inset: 0;
  background-size: 650px 650px;
  opacity: 0.08;
}
.fv-img-left {
  position: absolute;
  right: 70%;
  bottom: 0;
  width: auto;
  height: 94%;
  opacity: 0.7;
  mix-blend-mode: multiply;
}
.fv-img-right {
  position: absolute;
  left: 70%;
  bottom: 0;
  width: auto;
  height: 94%;
  opacity: 0.6;
}
.fv-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(242,242,242,0.4) 30%, transparent 70%);
}
.fv-numbers {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
@keyframes fv-num-pulse {
  0%, 100% { opacity: 0; }
  50%       { opacity: 0.85; }
}
.fv-num {
  position: absolute;
  font-family: var(--font-number);
  font-style: italic;
  color: rgba(157, 182, 197, 0.5);
  line-height: 1;
  white-space: nowrap;
  animation: fv-num-pulse 5s ease-in-out infinite;
}
.fv-num-1 { animation-delay:  0s; }
.fv-num-2 { animation-delay: -2s; }
.fv-num-3 { animation-delay: -4s; }
.fv-num-4 { animation-delay: -1s; }
.fv-num-5 { animation-delay: -3s; }
.fv-num-6 { animation-delay: -5s; }
.fv-num-1 { font-size: 218px; top: -48px; left: 35%; }
.fv-num-2 { font-size: 168px; top: 189px; left: -3%; }
.fv-num-3 { font-size: 98px; top: 382px; right: 0; }
.fv-num-4 { font-size: 98px; top: 524px; left: -12%; }
.fv-num-5 { font-size: 218px; top: 759px; left: -5%; }
.fv-num-6 { font-size: 128px; top: 668px; right: 5%; }
.fv-logo {
  position: absolute;
  top: 28px;
  left: 30px;
  z-index: 10;
}
.fv-content {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  z-index: 5;
}
.fv-body {
  position: absolute;
  top: 229px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.fv-headline-group {
  position: relative;
  display: block;
}
.fv-headline-top {
  font-family: var(--font-hero);
  font-size: 54px;
  font-weight: 700;
  color: var(--color-black);
  white-space: nowrap;
  line-height: 1;
  font-feature-settings: "palt" 1;
}
.fv-nononi {
  position: absolute;
  top: 0;
  left: calc(100% + 16px);
  background: var(--color-accent);
  width: 78px;
  padding: 11px 5px 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 2;
}
.nononi-punct {
  display: inline-block;
  height: 30px;
  overflow: hidden;
}
.fv-nononi p {
  font-family: var(--font-hero);
  font-size: 60px;
  font-weight: 700;
  color: var(--color-black);
  line-height: 0.95;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-feature-settings: "palt" 1;
}
.fv-main-copy {
  display: block;
  margin-top: 22px;
}
.fv-copy-box {
  background: var(--color-black);
  padding: 6px 14px 14px 14px;
  display: block;
  width: fit-content;
  margin-bottom: 11px;
}
.fv-copy-box:last-child { margin-bottom: 0; }
.fv-copy-box p {
  font-family: var(--font-hero);
  font-size: 116px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: -8px;
  white-space: nowrap;
  font-feature-settings: "palt" 1;
}
.fv-subcopy {
  position: absolute;
  top: 644px;
  left: 50%;
  transform: translateX(-50%);
  width: 540px;
  text-align: center;
}
.fv-subcopy p {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
  color: var(--color-black);
  white-space: nowrap;
}

/* ==============================
   2. INTRO / CTA SECTION
============================== */
#cta-top {
  padding: 90px 40px;
  position: relative;
  overflow: visible;
}
.sec-line-above {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 50px;
  background: var(--color-black);
  z-index: 10;
}
.sec-line-inside {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.45);
  z-index: 2;
}
.cta-bg-blue {
  background-color: var(--color-primary);
}
.cta-bg-texture {
  position: absolute;
  inset: 0;
  background-size: 650px 650px;
  mix-blend-mode: multiply;
  opacity: 0.4;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 50px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.cta-headline {
  font-family: var(--font-heading);
  font-size: var(--h4);
  font-weight: 600;
  color: var(--color-white);
  text-align: center;
  line-height: 1.5;
}

/* ==============================
   3. PROBLEM / CHECKLIST SECTION
============================== */
#problem {
  background: #FFFFFF url('img/section-bg-texture.webp') repeat;
  padding: 100px 40px;
}
.problem-inner {
  background: var(--color-white);
  padding: 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 65px;
}
.problem-heading-wrap {
  border-bottom: 1px solid var(--color-primary);
  padding-bottom: 50px;
  display: flex;
  justify-content: center;
}
.problem-heading {
  font-family: var(--font-heading);
  font-size: var(--h3);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  white-space: nowrap;
}
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 40px;
}
.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.checklist-icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: #ECECEC;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.checklist-icon::after {
  content: '';
  display: block;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg) translateY(-2px);
}
.checklist-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-l);
  line-height: 1.6;
  color: var(--color-black);
}
.checklist-text strong {
  font-weight: 500;
  color: var(--color-primary);
}
.problem-callout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.callout-normal {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--h4);
  line-height: 1.6;
  color: var(--color-black);
}
.callout-strong {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.callout-strong p {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.6;
  color: var(--color-white);
  white-space: nowrap;
  background: var(--color-black);
  padding: 2px 4px 4px 8px;
}

/* ==============================
   4. MECHANISM / WHY SECTION
============================== */
#why {
  position: relative;
  padding: 120px 40px 40px;
  overflow: hidden;
}
.why-bg-img {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.7;
}
.why-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(90,90,90,0) 17%, black 100%);
  mix-blend-mode: multiply;
}
.why-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.why-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: center;
  color: var(--color-white);
}
.why-heading {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  text-align: center;
  line-height: 1.4;
}
.why-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
  text-align: center;
}
.mechanism-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  align-items: start;
}
.mechanism-card {
  background: var(--color-white);
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
}
.mechanism-card:nth-child(even) {
  margin-top: 40px;
}
.card-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
}
.card-title {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 1.5;
  color: var(--color-black);
  text-align: center;
}
.card-body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-m);
  line-height: 1.5;
  color: var(--color-body);
}
.wave-divider {
  width: 100%;
  height: 116px;
  position: relative;
}
.wave-divider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ==============================
   5. RISK SECTION
============================== */
#risk {
  position: relative;
  z-index: 1;
  padding: 200px 40px 120px;
  overflow: visible;
  background: var(--color-white);
}

/* V-shaped divider between dark #why and white #risk */
.v-divider {
  width: 100%;
  height: 116px;
  position: relative;
  z-index: 2;
  margin-top: -1px;
  margin-bottom: -115px;
  pointer-events: none;
  background: #000;
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.risk-bg-img {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}
.risk-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 87px;
}
.risk-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: center;
}
.risk-heading {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  line-height: 1.4;
}
.risk-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}
.risk-item {
  background: var(--color-white);
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 20px 50px 20px 30px;
}
.risk-label-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  min-width: 280px;
}
.risk-label {
  font-family: var(--font-heading);
  font-size: var(--h4);
  font-weight: 600;
  color: var(--color-black);
  white-space: nowrap;
}
.risk-desc {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-m);
  line-height: 1.5;
  color: var(--color-body);
}

/* ==============================
   6. APPROACH SECTION
============================== */
#approach {
  position: relative;
  padding: 120px 0 0;
  overflow: hidden;
}
.approach-bg {
  background-color: #1d3b6e;
}
.approach-bg-texture {
  position: absolute;
  inset: 0;
  background-size: 650px 650px;
  mix-blend-mode: multiply;
}
.approach-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 120px;
}
.approach-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: center;
  color: var(--color-white);
  text-align: center;
}
.approach-heading {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  line-height: 1.4;
}
.approach-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
}
.approach-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  padding: 0 40px;
}
.approach-card {
  display: flex;
  flex-direction: column;
  position: relative;
}
.approach-card-img {
  position: relative;
  height: 300px;
  overflow: visible;
}
.approach-card-img img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.approach-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2), transparent);
}
.approach-card-num {
  position: absolute;
  bottom: 6px;
  left: 40px;
  transform: translateY(50%);
  font-family: var(--font-serif);
  font-size: 82px;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  z-index: 2;
}

/* Approach section bottom arrows */
.approach-arrows {
  display: flex;
  gap: 120px;
  align-items: center;
  justify-content: center;
}
.approach-arrow-icon {
  width: 120px;
  height: 65px;
  flex-shrink: 0;
}
.approach-card-body {
  background: var(--color-white);
  padding: 50px 40px 46px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  flex: 1;
}
.approach-card-title {
  font-family: var(--font-heading);
  font-size: var(--h3);
  font-weight: 600;
  color: var(--color-black);
  line-height: 1.5;
}
.approach-card-text {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-m);
  line-height: 1.5;
  color: var(--color-black);
}

/* Results box */
.results-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 40px 50px;
  position: relative;
  z-index: 5;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
  margin-bottom: -200px;
}
.results-heading-box {
  background: var(--color-black);
  padding: 10px 16px 14px;
  margin-bottom: -50px;
  position: relative;
  z-index: 2;
}
.results-heading-box p {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.4;
  white-space: nowrap;
}
.results-box {
  background: var(--color-white);
  width: 100%;
  padding: 100px 60px 80px;
  position: relative;
  z-index: 1;
}
.results-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  width: fit-content;
  margin: 0 auto;
}
.result-item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.result-text {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.5;
  white-space: nowrap;
}
/* Corner bracket accents on results box */
.corner-bracket {
  position: absolute;
  width: 60px;
  height: 60px;
}
.corner-bracket--tl {
  top: 10px; left: 10px;
  border-top: 2px solid var(--color-black);
  border-left: 2px solid var(--color-black);
}
.corner-bracket--tr {
  top: 10px; right: 10px;
  border-top: 2px solid var(--color-black);
  border-right: 2px solid var(--color-black);
}
.corner-bracket--bl {
  bottom: 10px; left: 10px;
  border-bottom: 2px solid var(--color-black);
  border-left: 2px solid var(--color-black);
}
.corner-bracket--br {
  bottom: 10px; right: 10px;
  border-bottom: 2px solid var(--color-black);
  border-right: 2px solid var(--color-black);
}

/* ==============================
   7. FULL IMAGE SECTION
============================== */
#photo-break {
  width: 100%;
  height: 700px;
  position: relative;
  z-index: 0;
  overflow: hidden;
}
#photo-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
}
#photo-break::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.2);
}

/* ==============================
   8. BRIDGE COPY SECTION
============================== */
#bridge {
  background: #FFFFFF url('img/section-bg-texture.webp') repeat;
  padding: 120px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}
.bridge-text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
  text-align: center;
  color: var(--color-black);
  max-width: 900px;
}
.bridge-strong-box {
  background: var(--color-black);
  padding: 10px 16px 14px;
}
.bridge-strong-box p {
  font-family: var(--font-heading);
  font-size: 42px;
  font-weight: 600;
  color: var(--color-white);
  line-height: 1.4;
  white-space: nowrap;
}

/* ==============================
   9. CTA MID SECTION
============================== */
#cta-mid {
  padding: 100px 40px;
  position: relative;
  overflow: hidden;
}

/* ==============================
   10. ABOUT SECTION
============================== */
#about {
  background: #FFFFFF;
  padding: 120px 40px;
}
.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 78px;
}
.about-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: center;
}
.about-intro {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 2;
  text-align: center;
  max-width: 1022px;
  margin: 0 auto;
}
.about-content {
  display: flex;
  gap: 60px;
  align-items: flex-start;
}
.about-text-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.about-text-body {
  display: flex;
  flex-direction: column;
  gap: 23px;
}
.about-text-body p {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-m);
  line-height: 2;
  color: var(--color-body);
}
.about-name {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-l);
  color: var(--color-black);
  line-height: 1.5;
}
.about-img-col {
  width: 408px;
  flex-shrink: 0;
  height: 510px;
  overflow: hidden;
}
.about-img-col img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* ==============================
   11. FAQ SECTION
============================== */
#faq {
  background: #FFFFFF url('img/section-bg-texture.webp') repeat;
  padding: 100px 40px 120px;
}
.faq-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 82px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 50px;
}
.faq-item {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-q {
  border-bottom: 1px solid var(--color-muted);
  padding-bottom: 20px;
  display: flex;
  gap: 15px;
  align-items: flex-start;
}
.faq-q-label {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1;
  flex-shrink: 0;
}
.faq-q-text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-l);
  line-height: 1.5;
  color: var(--color-black);
}
.faq-a {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: var(--para-m);
  line-height: 2;
  color: var(--color-body);
}

/* ==============================
   12. FINAL CTA SECTION
============================== */
#cta-final {
  padding: 100px 40px 120px;
  position: relative;
  overflow: hidden;
}
.cta-final-heading-wrap {
  display: flex;
  flex-direction: column;
  gap: 35px;
  align-items: center;
  color: var(--color-white);
  text-align: center;
}
.cta-final-heading {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 600;
  line-height: 1.4;
}
.cta-final-sub {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--para-xl);
  line-height: 1.6;
}

/* ==============================
   13. FOOTER
============================== */
footer {
  background: var(--color-black);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
}
.footer-copy {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.03em;
  text-align: center;
}

/* ==============================
   RESPONSIVE — TABLET
   768px〜1024px
============================== */
@media (min-width: 768px) and (max-width: 1024px) {
  :root {
    --h2: 32px;
    --h3: 26px;
    --h4: 20px;
    --para-xl: 17px;
    --para-l: 15px;
    --para-m: 14px;
    --para-s: 12px;
  }

  /* FV */
  #fv { height: 100vh; }
  .fv-img-left {
    right: 75%;
    height: 85%;
  }
  .fv-img-right {
    left: 65%;
    height: 85%;
  }
  .fv-headline-top { font-size: 5.5vw; }
  .fv-nononi p { font-size: 5.5vw; }
  .fv-copy-box p { font-size: 12vw; }
  .fv-subcopy { width: auto; }

  /* Container */
  .container { padding: 0 40px; }

  /* CTA */
  #cta-top { padding: 80px 40px; }
  .btn-wrap {
    flex-direction: column;
    width: 100%;
  }
  .btn-wrap a { width: 100%; }
  .btn { width: 100%; min-width: unset; }

  /* Problem */
  #problem { padding: 60px 40px; }
  .checklist-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .callout-strong p { font-size: 22px; }

  /* Why */
  #why { padding: 100px 40px; }
  .mechanism-grid { grid-template-columns: repeat(2, 2fr); gap: 20px; }
  .mechanism-card:nth-child(even) { margin-top: 0; }

  /* Risk */
  #risk { padding: 160px 40px 100px; }

  /* Approach */
  #approach { padding: 100px 0 0; }
  .approach-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 40px;
    gap: 24px;
  }
  .approach-card-img { height: 200px; }
  .results-box { padding: 80px 40px 60px; }

  /* Photo break */
  #photo-break { height: 500px; }

  /* Bridge */
  #bridge { padding: 80px 40px; }

  /* About */
  #about { padding: 80px 40px; }
  .about-content { gap: 40px; }
  .about-img-col { width: 260px; height: 320px; }

  /* FAQ */
  #faq { padding: 80px 40px; }

  /* Final CTA */
  #cta-final { padding: 80px 40px; }
}

/* ===== SUBPAGE HEADER ===== */
.subpage {
  background: var(--color-white);
}
.subpage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 40px;
  border-bottom: 1px solid #E8E8E8;
}
.subpage-logo {
  text-decoration: none;
}
.subpage-back {
  font-size: var(--para-s);
  color: var(--color-body);
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.subpage-back:hover {
  color: var(--color-primary);
}

/* ===== QUIZ SECTION ===== */
#quiz {
  background: var(--color-bg);
  padding: 100px 40px;
}
.quiz-inner {
  max-width: 700px;
  margin: 0 auto;
}
.quiz-header {
  margin-bottom: 48px;
}
.quiz-label {
  font-size: var(--para-s);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.quiz-heading {
  font-family: var(--font-heading);
  font-size: var(--h3);
  line-height: 1.4;
  margin-bottom: 30px;
}
.quiz-sub {
  font-size: var(--para-m);
  color: var(--color-body);
  line-height: 1.8;
}
.quiz-body {
  background: var(--color-white);
  padding: 48px 56px;
}
.quiz-step-indicator {
  font-size: var(--para-s);
  color: var(--color-muted);
  margin-bottom: 12px;
}
.quiz-step-current {
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font-number);
  color: var(--color-primary);
  line-height: 1;
}
.quiz-step-sep,
.quiz-step-total {
  font-family: var(--font-number);
  font-size: var(--para-m);
}
.quiz-progress-bar {
  width: 100%;
  height: 2px;
  background: #E0E0E0;
  margin-bottom: 40px;
}
.quiz-progress-fill {
  height: 100%;
  background: var(--color-primary);
  transition: width 0.4s ease;
  width: 0%;
}
.quiz-question {
  font-family: var(--font-heading);
  font-size: var(--para-xl);
  line-height: 1.7;
  margin-bottom: 40px;
  color: var(--color-black);
}
.quiz-choices {
  display: flex;
  gap: 16px;
}
.quiz-choice-btn {
  flex: 1;
  padding: 22px 16px;
  border: 1.5px solid #D8D8D8;
  background: var(--color-white);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: var(--para-m);
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s;
}
.quiz-choice-btn--yes:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(44, 84, 152, 0.04);
}
.quiz-choice-btn--no:hover {
  border-color: var(--color-black);
  background: rgba(0, 0, 0, 0.03);
}
.quiz-choice-icon {
  font-size: 16px;
}
.quiz-result {
  background: var(--color-white);
  padding: 64px 56px;
  text-align: center;
}
.quiz-result-badge {
  display: inline-block;
  font-size: var(--para-s);
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: 6px 20px;
  margin-bottom: 32px;
}
.quiz-result-heading {
  font-family: var(--font-heading);
  font-size: var(--h4);
  line-height: 1.6;
  margin-bottom: 20px;
}
.quiz-result-body {
  font-size: var(--para-m);
  color: var(--color-body);
  line-height: 1.9;
  margin-bottom: 40px;
  text-align: left;
}
.quiz-result-cta {
  display: inline-flex;
}

/* ===== BOOKING SECTION ===== */
#booking {
  background: var(--color-white);
  padding: 100px 40px;
  border-top: 1px solid #E8E8E8;
}
.booking-inner {
  max-width: 700px;
  margin: 0 auto;
}
.booking-header {
  margin-bottom: 48px;
}
.booking-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.booking-form-grid--single {
  grid-template-columns: 1fr;
}
.form-group--full {
  grid-column: 1 / -1;
}
.form-label {
  display: block;
  font-size: var(--para-s);
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  color: var(--color-black);
}
.form-required {
  display: inline-block;
  font-size: 11px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 700;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #D0D0D0;
  font-family: var(--font-body);
  font-size: var(--para-m);
  color: var(--color-black);
  background: var(--color-bg);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  -webkit-appearance: none;
  appearance: none;
}
.form-input:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
}
.form-input::placeholder {
  color: var(--color-muted);
  font-size: 14px;
}
.form-textarea {
  resize: vertical;
  min-height: 130px;
}
.form-submit-wrap {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 16px;
}
.form-submit-btn {
  width: 100%;
  border: none;
}
.form-note {
  font-size: var(--para-s);
  color: var(--color-muted);
  text-align: center;
}
.booking-thanks {
  text-align: center;
  padding: 80px 40px;
  background: var(--color-bg);
}
.booking-thanks-icon {
  font-size: 40px;
  color: var(--color-primary);
  margin-bottom: 20px;
  line-height: 1;
}
.booking-thanks-heading {
  font-family: var(--font-heading);
  font-size: var(--h4);
  margin-bottom: 16px;
}
.booking-thanks-body {
  font-size: var(--para-m);
  color: var(--color-body);
  line-height: 1.9;
}

/* ==============================
   RESPONSIVE — MOBILE (SP)
   max-width: 767px
============================== */
@media (max-width: 767px) {
  :root {
    --h2: 28px;
    --h3: 26px;
    --h4: 18px;
    --para-xl: 16px;
    --para-l: 15px;
    --para-m: 14px;
    --para-s: 12px;
  }

  .br-sp { display: block; }

  /* FV - SP layout overrides */
  #fv {
    height: auto;
    padding: 80px 0 60px;
    display: block;
    overflow: hidden;
  }
  .fv-img-left {
    position: absolute;
    right: 55%;
    left: auto;
    bottom: 0;
    top: auto;
    width: auto;
    height: 94%;
    opacity: 0.7;
    transform: none;
    mix-blend-mode: multiply;
  }
  .fv-img-right {
    display: block;
    position: absolute;
    left: 55%;
    right: auto;
    bottom: 0;
    top: auto;
    width: auto;
    height: 94%;
    opacity: 0.6;
  }
  .fv-img-overlay {
    background: linear-gradient(to bottom,
      rgba(242,242,242,0.2) 0%,
      rgba(242,242,242,0.65) 50%,
      rgba(242,242,242,0.9) 100%
    );
  }
  .fv-num-1 { font-size: 70px; top: -5px; left: 20%; }
  .fv-num-2 { font-size: 52px; top: 60px; left: -2%; }
  .fv-num-3, .fv-num-4, .fv-num-5 { display: none; }
  .fv-num-6 { font-size: 44px; top: 200px; right: -2%; }
  .fv-logo { top: 20px; left: 20px; }
  .logo { font-size: 18px; }
  .logo span { font-size: 13px; }
  /* SP FV: reset PC absolute layout, use static flex flow */
  .fv-content {
    position: relative;
    z-index: 5;
    padding: 30px 16px 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .fv-body {
    position: static;
    left: auto;
    top: auto;
    transform: none;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    align-self: center;
  }
  .fv-headline-group {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 10px;
  }
  .fv-headline-top {
    font-size: 9vw;
    line-height: 1.2;
    white-space: normal;
  }
  .fv-nononi {
    position: absolute;
    width: auto;
    padding: 6px 4px;
    align-self: stretch;
    left: calc(100% + 8px);
  }
  .fv-nononi p {
    font-size: 10vw;
    writing-mode: vertical-rl;
    line-height: 0.95;
  }
  .fv-main-copy {
    position: static;
    margin-top: 0;
    margin-bottom: 30px;
  }
  .fv-copy-box {
    padding: 4px 10px 6px;
    display: block;
    width: fit-content;
    margin-bottom: 6px;
  }
  .fv-copy-box p {
    font-size: 11vw;
    letter-spacing: 0px;
  }
  .fv-subcopy {
    position: static;
    transform: none;
    width: 100%;
    padding: 0;
    text-align: center;
    align-items: center;
  }
  .fv-subcopy p {
    font-size: 15px;
    line-height: 1.8;
  }

  /* CTA buttons */
  .btn-wrap {
    flex-direction: column;
    width: 100%;
  }
  .btn {
    width: 100%;
    min-width: unset;
    padding: 24px 40px 20px;
  }
  .btn-label { font-size: 17px; }

  /* Container */
  .container { padding: 0 20px; }

  /* CTA top */
  #cta-top {
    padding: 60px 20px;
  }
  .cta-headline {
    font-size: 16px;
    line-height: 1.8;
  }
  .cta-inner {
    gap: 40px;
    align-items: center;
  }

  /* Problem */
  #problem { padding: 40px 20px; }
  .problem-inner { padding: 40px 24px; gap: 40px; }
  .problem-heading { white-space: normal; font-size: 22px; }
  .problem-heading-wrap{ padding-bottom: 30px;}
  .checklist-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .checklist-item { align-items: flex-start;}
  .checklist-icon { width: 20px; height: 20px; margin: 4px 0 0;}
  .checklist-text { font-size: 15px; white-space: normal; }
  .callout-normal { font-size: 15px; text-align: center; }
  .callout-strong p { font-size: 17px; white-space: normal; text-align: center; }
  .callout-line-pc { display: none; }
  .callout-line-sp { display: block; }
  .btn-arrow { width: 24px; height: 24px; }
  .btn-arrow::after { margin: 2px 0 0; }

  /* Why */
  #why { padding: 80px 20px 20px; }
  .why-inner { gap: 40px; }
  .why-heading { font-size: 24px; }
  .why-sub { font-size: 14px; }
  .mechanism-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .mechanism-card:nth-child(even) { margin-top: 0; }
  .mechanism-card { padding: 40px 30px; gap: 20px; }
  .card-num { font-size: 24px; }

  /* Risk */
  .v-divider { height: 40px; margin-bottom: -39px; }
  #risk { padding: 80px 20px 60px; }
  .risk-inner { gap: 50px; }
  .risk-heading { font-size: 22px; }
  .risk-item {
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    align-items: flex-start;
  }
  .risk-label-wrap { min-width: unset; }
  .risk-label { font-size: 18px; }
  .diamond-icon { width: 40px; height: 40px; }
  .diamond-icon::before { width: 28px; }
  .diamond-icon::after { height: 28px; }

  /* Approach */
  #approach { padding: 80px 0px 0px; }
  .approach-inner { gap: 30px; padding: 0 20px; }
  .approach-heading { font-size: 26px; }
  .approach-sub { font-size: 14px; }
  .approach-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 0;
  }
  .approach-card-img { height: 170px; }
  .approach-card-num { font-size: 15vw; left: 20px;}
  .approach-card-body { padding: 40px 24px 36px; }
  .approach-card-title { font-size: 22px; }
  .approach-arrows { gap: 30px; }
  .approach-arrow-icon { width: 18vw; height: auto; }
  .results-wrap { padding: 0; margin-bottom: -60px; }
  .results-heading-box { margin-bottom: -30px; }
  .results-heading-box p { font-size: 22px; white-space: normal; text-align: center; }
  .results-box { padding: 60px 30px 50px; }
  .corner-bracket--tl { top: 5px; left: 5px; border-top: 1px solid var(--color-black); border-left: 1px solid var(--color-black); }
  .corner-bracket--tr { top: 5px; right: 5px; border-top: 1px solid var(--color-black); border-right: 1px solid var(--color-black); }
  .corner-bracket--bl { bottom: 5px; left: 5px; border-bottom: 1px solid var(--color-black); border-left: 1px solid var(--color-black); }
  .corner-bracket--br { bottom: 5px; right: 5px; border-bottom: 1px solid var(--color-black); border-right: 1px solid var(--color-black); }
  .result-item { align-items: flex-start; }
  .result-text { font-size: 18px; white-space: normal; }
  .check-filled { width: 24px; height: 24px; }
  .check-filled::after { width: 10px; margin: 0 0 0 2px; }

  /* Photo break */
  #photo-break { height: 350px; }

  /* Bridge */
  #bridge {
    padding: 60px 20px;
    gap: 40px;
  }
  .bridge-text { font-size: 15px; }
  .bridge-strong-box p { font-size: 22px; white-space: normal; text-align: center; }

  /* About */
  #about { padding: 60px 20px; }
  .about-inner { gap: 50px; }
  .about-content {
    flex-direction: column-reverse;
    gap: 40px;
  }
  .about-img-col {
    width: 100%;
    height: 280px;
  }
  .about-text-body p { font-size: 14px; }

  /* FAQ */
  #faq { padding: 60px 20px 80px; }
  .faq-inner { gap: 50px; }
  .faq-q-text { font-size: 15px; }
  .faq-a { font-size: 14px; }

  /* CTA Mid */
  #cta-mid { padding: 60px 20px; }

  /* Final CTA */
  #cta-final { padding: 60px 20px 80px; }
  .cta-final-heading-wrap { margin-bottom: 0; }
  .cta-final-heading { font-size: 24px; }
  .cta-final-sub { font-size: 15px; }

  /* Footer */
  footer { height: auto; padding: 20px; }
  .footer-copy { font-size: 11px; }

  .sec-line { height: 60px; }
  .sec-line-above { height: 30px; top: -30px; }
  .sec-line-inside { height: 30px; }

  /* Subpage header */
  .subpage-header { padding: 20px; }

  /* Quiz */
  #quiz { padding: 60px 20px; }
  .quiz-heading { font-size: 26px; }
  .quiz-body { padding: 32px 24px; }
  .quiz-question { font-size: var(--para-l); }
  .quiz-choices { flex-direction: column; }
  .quiz-result { padding: 40px 24px; }
  .quiz-result-heading { font-size: 20px; }

  /* Booking */
  #booking { padding: 60px 20px; }
  .booking-form-grid { grid-template-columns: 1fr; }
  .form-group--full { grid-column: 1; }
  .form-submit-btn { width: 100%; }
}