/* ============================================================
   style.css — compiled from scss/style.scss
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Noto+Serif+JP:wght@400;700;900&display=swap');

/* ============================================================
   Reset / Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: #2c2c2c;
  line-height: 1.75;
  overflow-x: hidden;
}
img { max-width: 100%; }

h1, h2, h3 { font-family: 'Noto Serif JP', serif; font-weight: 700; }

/* ============================================================
   Utilities
   ============================================================ */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

.section        { padding: 80px 0; background: #ffffff; }
.section--dark  { padding: 80px 0; background: linear-gradient(160deg, #060c24 0%, #1a3a7c 100%); color: #fff; }

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 28px;
}
.section-title.text-center { text-align: center; }

.section-header        { text-align: center; margin-bottom: 48px; }
.section-header__sub   { font-size: .9rem; color: #4dd0e1; letter-spacing: .06em; margin-bottom: 8px; }
.section-header h2     { font-size: 1.75rem; font-weight: 700; color: #fff; }
/* white-bg variant */
.section-header--light .section-header__sub { color: #00c9d4; }
.section-header--light h2                   { color: #2c2c2c; }

.cta-wrap { text-align: center; margin-top: 48px; }
.btn-wrap-local { display: inline-block; }
@media (max-width: 480px) {
  .btn-wrap-local { display: block; text-align: center; width: 100%; }
}

/* ============================================================
   Button
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  border-radius: 50px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform .3s ease, box-shadow .3s ease;
}
.btn--primary {
  background: linear-gradient(90deg, #00c9d4 0%, #4dd0e1 100%);
  color: #060c24;
  box-shadow: 0 4px 20px rgba(0,201,212,.4);
}
.btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,201,212,.6);
}
.btn--outline {
  background: transparent;
  color: #00c9d4;
  border: 2px solid #00c9d4;
  box-shadow: 0 0 16px rgba(0,201,212,.2);
}
.btn--outline:hover {
  background: rgba(0,201,212,.1);
  transform: translateY(-3px);
  box-shadow: 0 0 28px rgba(0,201,212,.45);
}
.btn--gradient {
  background: linear-gradient(90deg, #00d4a0 0%, #0057e7 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 20px rgba(0,87,231,.4);
}
.btn--gradient:hover {
  background: linear-gradient(90deg, #00e8b0 0%, #1a6fff 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(0,87,231,.6);
}
.btn--lg { font-size: 1.1rem; padding: 18px 64px; min-width: 320px; justify-content: center; }
.btn__icon { display: block; flex-shrink: 0; }
.hero__cta { display: flex; justify-content: center; margin-top: 40px; }
.hero__cta .btn--lg { font-size: 1.42rem; padding: 22px 150px; }

.br-sp { display: none; }

/* ============================================================
   Fade-in animation
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity .7s ease var(--delay, 0s),
    transform .7s ease var(--delay, 0s);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 720px;
  background: linear-gradient(160deg, #060c24 0%, #1a3a7c 100%);
  display: flex;
  align-items: center;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 80% at 30% 50%, rgba(13,27,75,.9) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 80% 20%, rgba(0,201,212,.12) 0%, transparent 60%);
  z-index: 1;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0,201,212,.1) 1px, transparent 1px);
  background-size: 36px 36px;
  z-index: 1;
}
/* 右側背景画像パネル */
.hero__img-panel {
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 58%;
  z-index: 2;
}
.hero__img-panel::before {
  content: none;
}
.hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}
/* 左側コンテンツ */
.hero__inner {
  position: relative;
  z-index: 3;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 64px;
}
.hero__catch {
  font-family: 'Noto Serif JP', serif;
  font-size: 1.5rem;
  color: rgba(255,255,255,.85);
  letter-spacing: .04em;
  margin-bottom: 10px;
}
.hero__catch em {
  font-style: normal;
  color: #00c9d4;
  font-weight: 700;
}
.hero__title {
  font-family: 'Shippori Mincho', serif;
  font-size: clamp(4.2rem, 12vw, 8.5rem);
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 14px;
  margin-left: -.1em;
  letter-spacing: -.15em;
  font-feature-settings: "palt" 1;
}
.hero__title span {
  background: linear-gradient(160deg, #ffffff 0%, #7ef9ff 30%, #00c9d4 65%, #0099bb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: normal;
}
.hero__sub {
  font-size: 2.2rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  margin-bottom: 20px;
  line-height: 1.5;
}
.hero__notice {
  font-size: 1.2rem;
  font-weight: 500;
  color: #fff;
  margin-bottom: 28px;
  letter-spacing: .04em;
  line-height: 1.6;
}
.hero__features {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  max-width: 39rem;
  margin-bottom: 40px;
}
.hero__feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  gap: 10px;
  padding: 18px 12px;
  border: 1px solid rgba(0,201,212,.35);
  border-radius: 10px;
  background: rgba(0,201,212,.06);
  transition: background .3s ease, border-color .3s ease;
}
.hero__feature:hover {
  background: rgba(0,201,212,.12);
  border-color: rgba(0,201,212,.6);
}
.hero__feature i { font-size: 1.8rem; color: #00c9d4; }
.hero__feature span {
  font-size: .88rem;
  font-weight: 500;
  color: rgba(255,255,255,.9);
  line-height: 1.5;
  text-align: center;
}

/* ============================================================
   What is SEO
   ============================================================ */
.what-seo__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 40px;
}
.what-seo__left .section-title { font-size: 3.2rem; color: #1a3a7c; margin-bottom: 20px; }
.what-seo__left p { font-size: 1.05rem; font-weight: 500; color: #2c2c2c; margin-bottom: 40px; }
.what-seo__right  { display: flex; align-items: center; justify-content: center; }
.what-seo__img    { width: 100%; max-width: 420px; height: auto; display: block; border-radius: 18px; }
.what-seo__summary {
  position: relative;
  background: #060c24;
  color: #fff;
  padding: 24px 36px;
  border-radius: 10px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.85;
}
.what-seo__summary::before {
  content: '';
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-bottom: 26px solid #060c24;
}
.what-seo__summary strong { color: #f5a623; }

.search-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 2px solid #ddd;
  border-radius: 50px;
  padding: 10px 18px;
  margin: 20px 0;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
}
.search-bar span { color: #aaa; font-size: .92rem; }
.search-bar button {
  background: #00c9d4;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  font-size: .95rem;
  transition: background .3s ease;
}
.search-bar button:hover { background: #060c24; }

.seo-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.seo-flow__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  flex: 1;
}
.seo-flow__img       { width: 56px; height: 56px; object-fit: contain; display: block; }
.seo-flow__step span { font-size: .82rem; font-weight: 600; color: #2c2c2c; }
.seo-flow__arrow     { color: #00c9d4; font-size: 1rem; flex-shrink: 0; margin: 0 4px; }

.freedom-circle {
  width: 190px;
  height: 190px;
  border-radius: 50%;
  border: 3px solid #00c9d4;
  background: linear-gradient(135deg, rgba(0,201,212,.1), rgba(0,201,212,.03));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 1.1rem;
  font-weight: 900;
  color: #060c24;
  line-height: 1.3;
  text-align: center;
}
.freedom-circle span:first-child  { font-size: 1.6rem; }
.freedom-circle span:nth-child(2) { font-size: .85rem; color: #666; font-weight: 400; }

/* ============================================================
   Theory
   ============================================================ */
.theory {
  background: #f4f7fb;
  padding: 80px 0;
}
.theory__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.theory__left h2 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #1a3a7c;
  margin-bottom: 20px;
}
.theory__left p   { color: #1a3a7c; margin-bottom: 14px; font-size: 1.15rem; font-weight: 600; }
.theory__quote    { font-family: 'Noto Serif JP', serif; font-size: 2.2rem !important; font-weight: 700 !important; color: #00a3b8 !important; margin-bottom: 16px !important; text-indent: -0.45em; }
.theory__hint     { font-family: 'Noto Serif JP', serif; color: #00a3b8 !important; font-weight: 700 !important; font-size: 1.8rem !important; text-indent: -0.45em; }
.theory__right {
  display: flex;
  align-items: center;
  justify-content: center;
}
.theory__img-wrap {
  position: relative;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  border-radius: 18px;
}
.theory__img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
}
.theory__badge {
  position: absolute;
  top: 50%;
  left: -68px;
  transform: translateY(-50%);
  background: #00bfa0;
  color: #ffffff;
  width: 136px;
  height: 136px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  text-align: center;
  line-height: 1.5;
}
.theory__badge::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 1.5px solid rgba(255,255,255,.7);
  border-radius: 50%;
  pointer-events: none;
}

/* ============================================================
   Scroll Down Indicator
   ============================================================ */
@keyframes scroll-bounce {
  0%   { opacity: 0; transform: rotate(45deg) translate(-4px, -4px); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: rotate(45deg) translate(4px, 4px); }
}
.scroll-down {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 0;
  background: #f4f7fb;
}
.scroll-down__arrow {
  display: block;
  width: 40px;
  height: 40px;
  border-right: 4px solid #00c9d4;
  border-bottom: 4px solid #00c9d4;
  transform: rotate(45deg);
  margin: -12px 0;
  animation: scroll-bounce 1.4s ease infinite;
}
.scroll-down__arrow:nth-child(2) { animation-delay: .2s; }
.scroll-down__arrow:nth-child(3) { animation-delay: .4s; }

/* ============================================================
   Results Table
   ============================================================ */
.results { background: #f4f7fb; }
.results .section-header--light .section-header__sub { color: #00c9d4; }
.results .section-header--light h2 { color: #1a3a7c; font-size: 2.3rem; }
.results__table-wrap {
  overflow-x: auto;
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.results__table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: .92rem;
}
.results__table thead tr { background: #1a3a7c; color: #fff; }
.results__table th {
  padding: 14px 20px;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
}
.results__table th:nth-child(1) { width: 50%; }
.results__table th:nth-child(2) { width: 12%; text-align: center; }
.results__table th:nth-child(3) { width: 38%; }
.results__table td {
  padding: 12px 20px;
  color: #2c2c2c;
  border-bottom: 1px solid #edf0f7;
  line-height: 1.5;
}
.results__table td:nth-child(2) { text-align: center; }
.results__table tbody tr:nth-child(even) { background: #f8fafd; }
.results__table tbody tr:last-child td { border-bottom: none; }
.results__table tbody tr:hover { background: #eef6ff; }
.rank-badge {
  display: inline-block;
  background: linear-gradient(135deg, #f5a623, #f97316);
  color: #fff;
  font-size: .78rem;
  font-weight: 900;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: .04em;
}

/* ============================================================
   Contents Grid
   ============================================================ */
.contents .container { max-width: 1280px; }
.contents .section-header__sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 2.45rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: .02em;
  margin-bottom: 4px;
}
.contents .section-header h2 {
  font-size: 1.2rem;
  font-weight: 500;
  color: #00c9d4;
}
.contents__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) {
  .contents__grid { grid-template-columns: repeat(2, 1fr); }
}
.content-card {
  display: flex;
  align-items: stretch;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: transform .3s ease, box-shadow .3s ease;
  transform: translateZ(0);
}
.content-card:hover {
  transform: translate3d(0, -4px, 0);
  box-shadow: 0 8px 28px rgba(0,201,212,.18);
}
/* 左：画像エリア */
.content-card__img {
  position: relative;
  flex-shrink: 0;
  width: 140px;
  min-height: 140px;
  overflow: hidden;
}
.content-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.content-card__img::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40px;
  height: 100%;
  background: linear-gradient(to right, transparent, #fff);
  pointer-events: none;
}
.content-card__num {
  font-size: 1.8rem;
  font-weight: 900;
  color: #00c9d4;
  line-height: 1;
  user-select: none;
  margin-bottom: 6px;
}
/* 右：テキストエリア */
.content-card__body {
  flex: 1;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
}
.content-card h3 {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #1a3a7c;
  line-height: 1.55;
}
.content-card p { font-size: .88rem; color: #666; line-height: 1.75; }

/* ============================================================
   Reasons
   ============================================================ */
.reasons { background: #f4f7fb; }
.reasons .container { max-width: 1280px; }
.reasons__head {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}
.reasons__head-left {
  flex-shrink: 0;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.reasons__head-left h2 {
  font-size: 2.8rem;
  font-weight: 700;
  color: #1a3a7c;
  line-height: 1.25;
  margin-bottom: 16px;
}
.reasons__head-left h2 em {
  font-style: normal;
  color: #1a3a7c;
  font-size: 4.4rem;
  display: block;
  line-height: 1.15;
}
.reasons__head-left p { font-size: 1.2rem; color: #1a3a7c; line-height: 1.7; }
.reasons__flow {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  flex-wrap: nowrap;
  justify-content: center;
  background: #ffffff;
  border-radius: 10px;
  padding: 32px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,.07);
}
.reason-item { text-align: center; flex: 1 1 0; min-width: 0; }
.reason-item__img {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 10px;
}
.reason-item h3 { font-family: 'Noto Sans JP', sans-serif; font-size: .95rem; font-weight: 900; margin-bottom: 6px; color: #1a3a7c; }
.reason-item p  { font-size: .85rem; font-weight: 500; color: #1a3a7c; line-height: 1.55; }
.reason-arrow   { color: #00c9d4; font-size: 1.4rem; flex-shrink: 0; }

/* ============================================================
   Steps
   ============================================================ */
.steps { background: #fff; }
.steps .container { max-width: 1280px; }
.steps__body {
  display: flex;
  align-items: flex-end;
  gap: 24px;
}
.steps__grid {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 8px;
  flex-wrap: nowrap;
  flex: 1;
}
.steps__arrow  { color: #00c9d4; font-size: 1.4rem; margin-top: 60px; flex-shrink: 0; }
.steps__footer {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.steps__note {
  font-size: .95rem;
  color: #1a3a7c;
  font-weight: 600;
  line-height: 1.9;
  white-space: nowrap;
}
.steps__person {
  height: 240px;
  width: auto;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}
@media (max-width: 768px) {
  .steps__body    { flex-direction: column; align-items: stretch; }
  .steps__grid    { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; flex: none; }
  .steps__footer  { justify-content: center; width: 100%; }
  .steps__note    { white-space: normal; }
  .br-pc          { display: none; }
}

.step-card {
  background: #fff;
  border-radius: 18px;
  padding: 24px 18px;
  text-align: center;
  max-width: 185px;
  box-shadow: 0 4px 20px rgba(0,0,0,.09);
  transition: transform .3s ease;
}
@media (max-width: 768px) {
  .step-card { max-width: none; height: 220px; }
}
.step-card:hover    { transform: translateY(-4px); }
.step-card__badge {
  display: inline-block;
  background: #060c24;
  color: #fff;
  padding: 4px 18px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.step-card__icon { font-size: 2rem; color: #00c9d4; margin-bottom: 12px; }
.step-card__icon i {
  display: inline-flex;
  width: 52px;
  height: 52px;
  background: rgba(0,201,212,.1);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
}
.step-card p { font-size: .82rem; color: #2c2c2c; line-height: 1.6; }

/* ============================================================
   For Who
   ============================================================ */
.for-who {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
  overflow: hidden;
}
/* 左ブロック：ライトグレー背景＋テキスト */
.for-who__left {
  background: #f4f7fb;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 48px 56px 48px 24px;
}
.for-who__text {
  max-width: 460px;
  width: 100%;
}
/* 右ブロック：画像 */
.for-who__right {
  position: relative;
  overflow: hidden;
}
/* 左端に白→透明のグラデーションで境界を滑らかに */
.for-who__right::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #f4f7fb 0%, rgba(244,247,251,0) 55%);
  z-index: 1;
  pointer-events: none;
}
.for-who__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

@media (max-width: 768px) {
  .for-who              { grid-template-columns: 1fr; }
  .for-who__left        { justify-content: center; padding: 56px 24px; }
  .for-who__text        { max-width: 100%; }
  .for-who__right       { min-height: 240px; }
  .for-who__right::before {
    background: linear-gradient(to bottom, #f4f7fb 0%, rgba(244,247,251,0) 55%);
  }
}
.check-list { list-style: none; margin-bottom: 32px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(0,0,0,.06);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
}
.check-list li i { color: #2597b7; font-size: 1.3rem; flex-shrink: 0; margin-top: 1px; }

/* ============================================================
   Final CTA
   ============================================================ */
.final-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
  overflow: hidden;
  background: #060c24;
}
/* 左ブロック：紺背景＋テキスト */
.final-cta__left {
  background: #060c24;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 100px 56px 100px 24px;
}
.final-cta__text {
  max-width: 460px;
  width: 100%;
}
.final-cta__text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.final-cta__text p {
  color: rgba(255,255,255,.85);
  margin-bottom: 32px;
  line-height: 1.85;
  font-size: .97rem;
}
.final-cta__text p strong { color: #00c9d4; font-size: 1.1rem; }
/* 右ブロック：画像 */
.final-cta__right {
  position: relative;
  overflow: hidden;
  background: #060c24;
}
/* 左端に紺→透明のグラデーションを重ねて境界を滑らかに */
.final-cta__right::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, #060c24 0%, rgba(6,12,36,0) 55%);
  z-index: 1;
  pointer-events: none;
}
.final-cta__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 80% center;
  display: block;
}

@media (max-width: 768px) {
  .final-cta            { grid-template-columns: 1fr; }
  .final-cta__left      { justify-content: center; padding: 56px 24px; }
  .final-cta__text      { text-align: center; max-width: 100%; }
  .final-cta__right     { min-height: 240px; }
  .final-cta__right::before {
    background: linear-gradient(to bottom, #060c24 0%, rgba(6,12,36,0) 55%);
  }
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  background: #000000;
  padding: 24px 0;
  text-align: center;
}
.footer__nav  { margin-bottom: 10px; }
.footer__link {
  color: rgba(255,255,255,.6);
  font-size: .85rem;
  text-decoration: none;
  transition: color .3s ease;
}
.footer__link:hover { color: #ffffff; text-decoration: underline; }
.footer__copy { color: rgba(255,255,255,.4); font-size: .8rem; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 640px) {
  .contents__grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .content-card { flex-direction: column; }
  .content-card__img { width: 100%; min-height: 100px; }
}

@media (max-width: 768px) {
  .section, .section--dark, .theory { padding: 56px 0; }
  .hero__inner    { padding: 60px 24px 80px; text-align: center; }
  .hero__cta      { margin-top: 28px; }
  .hero__cta .btn--lg { font-size: 1.1rem; padding: 22px 32px; width: 100%; min-width: 0; }
  .hero__notice   { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,.25); padding-top: 8px; }
  .hero__sub      { font-size: 1.85rem; }
  .hero__img-panel { width: 100%; opacity: 0.2; }
  .hero__bg-img    { object-position: 60% center; }
  .hero__title    { font-size: 4.5rem; }
  .hero__features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; max-width: 100%; }
  .hero__feature  { padding: 12px; }
  .section-title  { font-size: 1.6rem; }
  .freedom-circle { width: 150px; height: 150px; }

  .what-seo__grid   { grid-template-columns: 1fr; gap: 32px; }
  .theory__grid     { grid-template-columns: 1fr; gap: 32px; }
  .theory__left     { text-align: center; }
  .theory__quote    { text-indent: 0; }
  .theory__hint     { text-indent: 0; font-size: 1.3rem !important; }
  .theory__badge    { top: auto; bottom: -80px; left: 50%; transform: translateX(-50%); }
  .for-who__grid    { grid-template-columns: 1fr; gap: 32px; }
  .final-cta__grid  { grid-template-columns: 1fr; gap: 32px; text-align: center; }

  .reasons__head       { flex-direction: column; gap: 32px; }
  .reasons__head-left  { text-align: center; min-width: 0; width: 100%; }
  .reasons__head-left h2    { font-size: 2.2rem; }
  .reasons__head-left h2 em { font-size: 3.4rem; }
  .reasons__head-left p     { font-size: 1rem; }
  .reasons__flow    { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 32px; align-items: start; }
  .reason-item      { max-width: none; }
  .reason-item__img { width: 100px; height: 100px; }
  .reason-arrow     { display: none; }
  .steps__arrow     { display: none; }
  .btn-arrow        { display: none; }
  .btn--lg   { font-size: 1.25rem; padding: 18px 40px; min-width: 0; width: 100%; }
  .btn--lg .btn__icon { width: 26px; height: 26px; }
  .br-pc { display: none; }
  .br-sp { display: block; }
  .steps .section-title { font-size: 2rem; }
}

@media (max-width: 580px) {
  .contents__grid { grid-template-columns: 1fr; }
  .seo-flow       { justify-content: center; }
}