/* ========================================
   CSS変数
======================================== */
:root {
  --color-navy: #0f1f3d;
  --color-navy-mid: #1a3260;
  --color-blue: #1e4db7;
  --color-accent: #ff6b35;
  --color-accent-dark: #e5531f;
  --color-accent-light: rgba(255, 107, 53, 0.1);
  --color-green: #00b894;
  --color-light: #f7f9fc;
  --color-gray: #e8ecf2;
  --color-text: #343434;
  --color-text-sub: #555555;
  --color-white: #ffffff;

  --font-main:
    "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo,
    sans-serif;

  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 4px 24px rgba(15, 31, 61, 0.1);
  --shadow-lg: 0 8px 40px rgba(15, 31, 61, 0.15);

  --container: 1080px;
}

/* ========================================
   リセット・ベース
======================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 14px;
  background: var(--color-white);
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ========================================
   ユーティリティ
======================================== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section--light {
  background: var(--color-light);
}

.section--gray {
  background: #f7f7f7;
  position: relative;
  overflow: hidden;
  padding: 146px 0 96px;
}

.reason__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  animation: none;
  transition: none;
  line-height: 1;
}

.section--navy {
  background: var(--color-navy);
  color: var(--color-white);
}

.section__label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section--navy .section__label {
  color: rgba(255, 107, 53, 0.8);
}

.section__title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-navy);
  margin-bottom: 48px;
}

.section--navy .section__title {
  color: var(--color-white);
}

/* ========================================
   ボタン
======================================== */
/* ── マイクロコピー（ボタン上のピル） ── */
.micro-copy-wrap {
  position: relative;
  display: inline-block;
  transition: transform 0.2s ease;
}

.micro-copy-wrap:hover {
  transform: translateY(-2px);
}

.micro-copy {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: #ffe62b;
  color: #000000;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 18px;
  border-radius: 999px;
  z-index: 1;
  transition: transform 0.2s ease;
}

.micro-copy-wrap:hover .btn {
  transform: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  font-family: var(--font-main);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.2s ease;
  white-space: nowrap;
  text-align: center;
}

.btn--sm {
  font-size: 13px;
  padding: 10px 20px;
}

.btn--lg {
  font-size: 16px;
  padding: 18px 36px;
}

.btn--xl {
  font-size: 18px;
  padding: 22px 48px;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.35);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-white:hover {
  background: var(--color-white);
  color: var(--color-navy);
  transform: translateY(-2px);
}

/* ========================================
   フェードインアニメ
======================================== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}

/* ========================================
   HEADER
======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray);
  box-shadow: 0 2px 12px rgba(15, 31, 61, 0.06);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 64px;
  padding: 0 24px;
}

.header__nav {
  justify-self: center;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.header__nav-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-navy);
  white-space: nowrap;
  transition: color 0.2s;
}

.header__nav-link:hover {
  color: var(--color-accent);
}

.header__cta {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-self: end;
}

.header__logo-text {
  font-size: 20px;
  font-weight: 900;
  color: var(--color-navy);
  letter-spacing: 0.05em;
}

/* ========================================
   HERO（全画面・中央揃え）
======================================== */
.hero {
  position: relative;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  background: url("../img/main_visual.jpg") center center / cover no-repeat;
  background-color: #05080f;
  color: var(--color-white);
  overflow: hidden;
}

/* 画像の上に暗いオーバーレイ（左側を重点的に暗くして文字を読みやすく） */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.88) 0%,
    rgba(255, 255, 255, 0.3) 45%,
    rgba(255, 255, 255, 0) 65%
  );
  z-index: 0;
}

/* 背景オーブ（浮遊する光）：オーバーレイの上・コンテンツの下 */
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: orbFloat 8s ease-in-out infinite;
  z-index: 1;
}

.hero__orb--1 {
  display: none;
}

.hero__orb--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(
    circle,
    rgba(30, 77, 183, 0.3) 0%,
    transparent 70%
  );
  bottom: -150px;
  right: -150px;
  animation-delay: -3s;
}

.hero__orb--3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(
    circle,
    rgba(255, 107, 53, 0.15) 0%,
    transparent 70%
  );
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes orbFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

.hero__orb--3 {
  animation: orbFloat3 10s ease-in-out infinite;
}

@keyframes orbFloat3 {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, calc(-50% - 20px)) scale(1.08);
  }
}

/* 左寄せコンテンツ */
.hero__center {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  padding: 200px 24px 160px;
  margin: 0 auto;
  text-align: left;
}

.hero__eyebrow {
  display: inline-block;
  background: rgba(255, 107, 53, 0.12);
  color: var(--color-accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 28px;
  border: 1px solid rgba(255, 107, 53, 0.5);
  text-transform: uppercase;
  animation: fadeUp 0.8s ease both;
}

.hero__title {
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 900;
  line-height: 1.15;
  color: var(--color-navy);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  animation: fadeUp 0.8s 0.1s ease both;
}

.hero__title-em {
  font-style: normal;
  color: var(--color-accent);
  position: relative;
  display: inline-block;
}

.hero__title-em::after {
  display: none;
}

.hero__sub {
  font-size: clamp(14px, 2vw, 17px);
  font-weight: 500;
  color: #000;
  margin-bottom: 32px;
  letter-spacing: 0.05em;
  animation: fadeUp 0.8s 0.2s ease both;
}

.hero__stats {
  display: inline-flex;
  align-items: stretch;
  margin-bottom: 44px;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero__stat {
  padding: 12px 28px;
  text-align: center;
}

.hero__stat-label {
  font-size: 11px;
  font-weight: 500;
  color: #333333;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.hero__stat-value {
  font-size: 20px;
  font-weight: 800;
  color: #000000;
  line-height: 1.2;
  white-space: nowrap;
  letter-spacing: 0.08em;
}

.hero__stat-value em {
  font-style: normal;
  font-size: 28px;
}

.hero__stat-divider {
  width: 1px;
  background: rgba(0, 0, 0, 0.2);
  margin: 8px 0;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-bottom: 24px;
  animation: fadeUp 0.8s 0.4s ease both;
}

.hero__note {
  font-size: 11px;
  color: var(--color-text-sub);
  line-height: 1.6;
  animation: fadeUp 0.8s 0.5s ease both;
}

/* スクロールインジケーター */
.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 1;
}

.hero__scroll-text {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--color-navy);
}

.hero__scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-navy), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollLine {
  0% {
    transform: scaleY(0);
    opacity: 1;
  }
  60% {
    transform: scaleY(1);
    opacity: 1;
  }
  100% {
    transform: scaleY(1);
    opacity: 0;
  }
}

/* ヒーロー入場アニメ */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
   PROBLEM
======================================== */
.section--problem {
  position: relative;
  overflow: hidden;
  background: var(--color-white);
  padding: 180px 0 128px;
}

.problem__bg-text {
  position: absolute;
  top: 84px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  animation: none;
  transition: none;
  line-height: 1;
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.problem__col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.problem__card {
  width: 100%;
  background: #f1f6f6;
  border-radius: var(--radius);
  padding: 28px 24px;
  flex: 1;
}

.problem__card:hover {
  transform: translateY(-4px);
}

.problem__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.problem__list li {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  padding-left: 16px;
  position: relative;
}

.problem__list li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-navy-mid);
  font-weight: 900;
}

.problem__img-wrap {
  padding-top: 20px;
}

.problem__img {
  width: 120px;
  height: auto;
  display: block;
}

/* ========================================
   REASON
======================================== */
.reason__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.reason__body {
  font-size: 14px;
  color: var(--color-text-sub);
  margin-bottom: 16px;
  line-height: 1.9;
  text-align: left;
}

.reason__body--highlight {
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-text);
  margin-bottom: 32px;
  text-align: left;
}

.reason__body--highlight strong {
  color: var(--color-accent);
}

.reason__graph {
  display: block;
  width: 65%;
  margin: 24px auto;
  border-radius: var(--radius);
}

/* スピード比較ビジュアル */
.reason__speed-box {
  background: var(--color-light);
  border-radius: var(--radius);
  padding: 36px;
  border: 1px solid var(--color-gray);
}

.reason__speed-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-sub);
  margin-bottom: 8px;
}

.reason__speed-label--imakono {
  margin-top: 24px;
  color: var(--color-accent);
}

.reason__speed-bar {
  border-radius: 100px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  height: 48px;
  font-size: 14px;
  font-weight: 700;
}

.reason__speed-bar--slow {
  background: var(--color-gray);
  color: var(--color-text-sub);
  width: 100%;
}

.reason__speed-bar--fast {
  background: var(--color-accent);
  color: var(--color-white);
  width: 32%;
  min-width: 120px;
}

/* ========================================
   COMPARE
======================================== */
.compare__table-wrap {
  overflow-x: auto;
  margin-bottom: 24px;
}

.compare__table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
}

.compare__th {
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.compare__th--item {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.6);
  width: 25%;
}

.compare__th--other {
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.7);
  width: 37.5%;
}

.compare__th--imakono {
  background: var(--color-accent);
  color: var(--color-white);
  width: 37.5%;
}

.compare__td {
  padding: 18px 24px;
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  vertical-align: middle;
}

.compare__td--item {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.04);
  text-align: center;
}

.compare__td--other {
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
}

.compare__td--imakono {
  color: var(--color-white);
  font-weight: 700;
  text-align: center;
  background: rgba(255, 107, 53, 0.08);
}

.compare__check {
  color: var(--color-accent);
  font-weight: 900;
  margin-right: 4px;
}

.compare__note {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
  text-align: center;
}

/* ========================================
   STRENGTH
======================================== */
.section--strength {
  position: relative;
  overflow: hidden;
  padding: 146px 0 96px;
}

.strength__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  animation: none;
  transition: none;
  line-height: 1;
}

.strength__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.strength__card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-gray);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.strength__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.strength__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.strength__number {
  font-size: 48px;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  opacity: 0.7;
  flex-shrink: 0;
}

.strength__title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.4;
  margin-bottom: 0;
}

.strength__icon {
  display: block;
  width: 120px;
  height: auto;
  margin: 35px auto;
  filter: brightness(0) saturate(100%) invert(18%) sepia(20%) saturate(400%)
    hue-rotate(163deg);
}

.strength__desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.9;
}

/* ========================================
   MEDIA
======================================== */
.section--media {
  position: relative;
  overflow: hidden;
  padding: 146px 0 146px;
}

.media__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  line-height: 1;
  animation: none;
  transition: none;
}

.media__logo-img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}

.media__grid {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.media__item {
  text-align: center;
  width: 160px;
}

.media__logo {
  width: 80px;
  height: 80px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 900;
  margin: 0 auto 12px;
  color: var(--color-white);
}

.media__logo--meta {
  background: #1877f2;
}
.media__logo--google {
  background: #4285f4;
  font-size: 32px;
}
.media__logo--youtube {
  background: #ff0000;
  font-size: 32px;
}
.media__logo--tiktok {
  background: #000000;
  font-size: 28px;
}
.media__logo--yahoo {
  background: #ff0033;
}

.media__name {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 4px;
}

.media__desc {
  font-size: 12px;
  color: var(--color-text-sub);
}

/* ========================================
   MID CTA
======================================== */
.mid-cta {
  background: linear-gradient(
    135deg,
    #2a4fa0 0%,
    var(--color-navy-mid) 45%,
    #060f20 100%
  );
  padding: 80px 0;
}

.mid-cta__inner {
  text-align: center;
}

.mid-cta__title {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
}

.mid-cta__sub {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 50px;
}

.mid-cta__btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   RESULTS
======================================== */
.section--results {
  position: relative;
  overflow: hidden;
  padding: 146px 0 120px;
}

.results__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  line-height: 1;
  animation: none;
  transition: none;
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.results__card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-gray);
}

.results__card-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 12px;
  line-height: 1.5;
}

.results__card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.results__card-desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.9;
}

/* ========================================
   FLOW
======================================== */
.section--flow {
  position: relative;
  overflow: hidden;
  padding: 146px 0 96px;
  background: var(--color-light);
}

.flow__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  line-height: 1;
  animation: none;
  transition: none;
}

.flow__steps {
  display: flex;
  align-items: stretch;
}

.flow__step {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 2px solid #333;
}

.flow__step-num {
  font-size: 13px;
  font-weight: 900;
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

.flow__step-title {
  font-size: 17px;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: 8px;
  line-height: 1.4;
}

.flow__step-desc {
  font-size: 14px;
  color: var(--color-text-sub);
  line-height: 1.9;
}

.flow__arrow {
  display: flex;
  align-items: center;
  padding: 0 8px;
  flex-shrink: 0;
}

.flow__arrow::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  border-left: 18px solid var(--color-accent);
}

/* ========================================
   FAQ
======================================== */
.section--faq {
  position: relative;
  overflow: hidden;
  padding: 146px 0 96px;
  background: #f7f7f7;
}

.faq__bg-text {
  position: absolute;
  top: 82px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 160px;
  font-weight: 900;
  color: rgba(15, 31, 61, 0.04);
  white-space: nowrap;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.08em;
  line-height: 1;
  animation: none;
  transition: none;
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--color-gray);
  padding: 0 20px;
  margin-bottom: 8px;
}

.faq__q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 36px 1fr 24px;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  text-align: left;
  font-family: var(--font-main);
  transition: opacity 0.2s;
}

.faq__q:hover {
  opacity: 0.75;
}

.faq__q-icon {
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
}

.faq__q-text {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.5;
}

.faq__arrow {
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-text-sub);
  border-bottom: 2px solid var(--color-text-sub);
  transform: rotate(45deg);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  justify-self: center;
}

.faq__q[aria-expanded="true"] .faq__arrow {
  transform: rotate(-135deg);
}

.faq__a {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  align-items: flex-start;
  padding: 0 0 24px;
}

.faq__a[hidden] {
  display: none;
}

.faq__a-icon {
  width: 36px;
  height: 36px;
  background: var(--color-light);
  color: var(--color-navy-mid);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 900;
  flex-shrink: 0;
  border: 1px solid var(--color-gray);
}

.faq__a-text {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.85;
  padding-top: 6px;
}

/* ========================================
   COLUMN
======================================== */
.section--column {
  padding: 96px 0;
  background: var(--color-white);
}

.column__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.column__card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-gray);
  overflow: hidden;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.column__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.column__card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.column__card-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.column__card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.column__card:hover .column__card-img {
  transform: scale(1.04);
}

.column__card-body {
  padding: 20px 24px 24px;
}

.column__card-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-light);
  border-radius: 4px;
  padding: 3px 10px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.column__card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.column__card-date {
  font-size: 12px;
  color: var(--color-text-sub);
  letter-spacing: 0.05em;
}

.column__more {
  text-align: center;
  margin-top: 48px;
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section {
  background: linear-gradient(
    135deg,
    #2a4fa0 0%,
    var(--color-navy-mid) 45%,
    #060f20 100%
  );
  padding: 96px 0;
}

.cta-section__inner {
  text-align: center;
}

.cta-section__eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.cta-section__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.25;
  margin-bottom: 16px;
}

.cta-section__sub {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 40px;
}

.cta-section__btns {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.cta-section .btn--primary {
  background: var(--color-white);
  color: var(--color-accent);
  border-color: var(--color-white);
}

.cta-section .btn--primary:hover {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}

.cta-section .btn--outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: var(--color-white);
}

.cta-section .btn--outline:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
}

.cta-section__note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}

/* ========================================
   FOOTER
======================================== */
.footer {
  background: #000000;
  padding: 48px 0 32px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer__logo-text {
  font-size: 18px;
  font-weight: 900;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.footer__links {
  display: flex;
  gap: 28px;
}

.footer__link {
  font-size: 13px;
  color: #ffffff;
  transition: color 0.2s;
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__copy {
  text-align: center;
  font-size: 12px;
  color: #ffffff;
}

/* ========================================
   SPメニュー
======================================== */
.header__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.header__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.sp-menu {
  position: fixed;
  inset: 0;
  background: var(--color-white);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.sp-menu.is-open {
  transform: translateX(0);
}

.sp-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  border-bottom: 1px solid var(--color-gray);
  flex-shrink: 0;
}

.sp-menu__logo {
  font-size: 20px;
  font-weight: 900;
  color: var(--color-navy);
  letter-spacing: 0.05em;
}

.sp-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-navy);
}

.sp-menu__nav {
  flex: 1;
  overflow-y: auto;
}

.sp-menu__link {
  display: block;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-gray);
}

.sp-menu__btns {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sp-menu__btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 18px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.sp-menu__btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

.sp-menu__btn--outline {
  background: var(--color-navy);
  color: var(--color-white);
}

/* SP用画像（デフォルトは非表示） */
.hero__sp-image {
  display: none;
}

/* ========================================
   レスポンシブ（tablet: 768px以下）
======================================== */
@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

  /* 背景テキスト共通（小見出しがbg-textの上下中央に来るよう調整） */
  .reason__bg-text,
  .problem__bg-text,
  .strength__bg-text,
  .media__bg-text,
  .results__bg-text,
  .flow__bg-text,
  .faq__bg-text {
    font-size: 80px;
    top: 40px;
  }

  /* カスタムpadding sections */
  .section--problem,
  .section--gray,
  .section--strength,
  .section--results,
  .section--faq {
    padding: 80px 0 64px;
  }

  .section--media {
    padding: 80px 0 80px;
  }

  /* flow */
  .flow__steps {
    flex-direction: column;
    gap: 16px;
  }

  .flow__arrow {
    display: none;
  }

  /* column */
  .column__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* results */
  .results__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .results__card {
    padding: 16px;
  }

  .results__card-title {
    font-size: 20px;
  }

  .results__card-img {
    height: auto;
    object-fit: unset;
  }

  /* header */
  .header__nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
  }

  .header__inner {
    grid-template-columns: 1fr auto;
  }

  /* hero：SP時は main_visual_sp.jpg を背景に・テキストを上部配置 */
  .hero {
    width: 100%;
    height: 100svh;
    background-image: url("../img/main_visual_sp.jpg");
    background-size: cover;
    background-position: center center;
    align-items: flex-start;
  }

  .hero__orb {
    display: none;
  }

  .hero__center {
    padding: 70px 20px 0;
    text-align: left;
    width: 100%;
  }

  /* stats：デバイス幅に合わせて伸縮・CTAの直上へ押し出す */
  .hero__stats {
    display: flex;
    width: 100%;
    margin-top: auto;
    margin-bottom: 12px;
  }

  .hero__stat {
    flex: 1;
    padding: 8px 6px;
    text-align: center;
  }

  .hero__stat-label {
    font-size: clamp(8px, 2vw, 11px);
  }

  .hero__stat-value {
    font-size: clamp(12px, 3.5vw, 18px);
  }

  .hero__stat-value em {
    font-size: clamp(16px, 4.5vw, 22px);
  }

  .hero__title {
    font-size: 14vw;
  }

  /* hero__center をflex列に */
  .hero__center {
    display: flex;
    flex-direction: column;
    height: 100%;
  }

  .hero__cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-bottom: 32px;
  }

  .hero__cta .btn {
    width: 100%;
    justify-content: center;
    font-size: 15px;
    padding: 16px 20px;
  }

  .hero__scroll {
    display: none;
  }

  .hero__sp-image {
    display: none;
  }

  /* reason */
  .reason__inner {
    gap: 32px;
  }

  /* strength */
  .strength__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* compare */
  .compare__td,
  .compare__th {
    padding: 14px 12px;
    font-size: 13px;
  }

  /* problem */
  .problem__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .problem__bg-text {
    font-size: 100px;
  }

  /* media */
  .media__grid {
    gap: 16px;
  }

  .media__item {
    width: 120px;
  }

  .media__logo {
    width: 64px;
    height: 64px;
    font-size: 20px;
    border-radius: 16px;
  }

  /* footer */
  .footer__inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__links {
    gap: 20px;
  }
}

/* ========================================
   レスポンシブ（sp: 480px以下）
======================================== */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }

  /* 背景テキスト共通（小見出しがbg-textの上下中央に来るよう調整） */
  .reason__bg-text,
  .problem__bg-text,
  .strength__bg-text,
  .media__bg-text,
  .results__bg-text,
  .flow__bg-text,
  .faq__bg-text {
    font-size: 56px;
    top: 32px;
  }

  /* カスタムpadding sections */
  .section--problem,
  .section--gray,
  .section--strength,
  .section--results,
  .section--faq {
    padding: 60px 0 48px;
  }

  .section--media {
    padding: 60px 0 60px;
  }

  /* hero */
  .hero__center {
    padding: 70px 16px 0;
  }

  /* strength */
  .strength__card {
    padding: 28px 20px;
  }

  /* mid cta */
  .mid-cta__title-br {
    display: block;
  }

  .mid-cta__btns {
    flex-direction: column;
    align-items: center;
  }

  .mid-cta__btns .micro-copy-wrap {
    width: 100%;
    max-width: 320px;
  }

  .mid-cta__btns .btn {
    width: 100%;
    max-width: 320px;
  }

  /* cta section */
  .cta-section__btns {
    flex-direction: column;
    align-items: center;
  }

  .cta-section__btns .btn {
    width: 100%;
    max-width: 320px;
  }

  /* problem */
  .problem__grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .problem__card {
    padding: 20px 16px;
  }

  /* faq */
  .faq__q {
    grid-template-columns: 32px 1fr 20px;
    gap: 12px;
  }

  .faq__q-icon,
  .faq__a-icon {
    width: 32px;
    height: 32px;
  }

  .faq__q-text {
    font-size: 14px;
  }

  .faq__a {
    grid-template-columns: 32px 1fr;
    gap: 12px;
  }

  /* header */
  .header__cta .btn--sm {
    font-size: 12px;
    padding: 8px 14px;
  }
}