/* ===========================
   リセット & ベーススタイル
=========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 17px; /* 16px → 17px に底上げ */
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  color: #1A1A1A;
  line-height: 1.8; /* 1.7 → 1.8 に広げて読みやすく */
  background: #fff;
}

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

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

ul {
  list-style: none;
}

/* ===========================
   ユーティリティ
=========================== */
:root {
  --color-red: #CC1E1E;
  --color-red-dark: #B01A1A;
  --color-yellow: #F5C200;
  --color-yellow-dark: #E0AF00;
  --color-white: #FFFFFF;
  --color-black: #1A1A1A;
  --color-gray: #F5F5F5;
  --color-gray-border: #E0E0E0;
  --container-width: 1100px;
  --header-height: 72px;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

.text-red { color: var(--color-red); }
.text-yellow { color: var(--color-yellow); }
.text-white { color: var(--color-white); }

.sp-only { display: none; }
.pc-only { display: block; }

/* ===========================
   ボタン
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.15s;
  text-align: center;
}

.btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.btn--yellow {
  background: var(--color-yellow);
  color: var(--color-black);
}

.btn--large {
  padding: 22px 52px;
  font-size: 1.1875rem; /* 1.125rem → 1.1875rem */
  border-radius: 6px;
}

.btn--arrow::after {
  content: '›';
  font-size: 1.4em;
  line-height: 1;
  margin-left: 4px;
}

/* ===========================
   セクション共通
=========================== */
.section-subtitle {
  text-align: center;
  font-size: 1rem; /* 0.875rem → 1rem */
  color: var(--color-black);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.section-title {
  text-align: center;
  font-size: 2.25rem; /* 2rem → 2.25rem */
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 52px;
}

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

/* ===========================
   ヘッダー
=========================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
  z-index: 1000;
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 900;
  font-size: 1.15rem; /* 1.1rem → 1.15rem */
  color: var(--color-red);
  white-space: nowrap;
  flex-shrink: 0;
}

.header__logo-icon {
  color: var(--color-red);
  display: flex;
  align-items: center;
}

.header__nav {
  flex: 1;
}

.header__nav-list {
  display: flex;
  gap: 24px;
  align-items: center;
}

.header__nav-list a {
  font-size: 0.9375rem; /* 0.875rem → 0.9375rem */
  color: var(--color-black);
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.2s;
}

.header__nav-list a:hover {
  color: var(--color-red);
}

.header__cta {
  flex-shrink: 0;
  padding: 10px 20px;
  font-size: 0.9375rem; /* 0.875rem → 0.9375rem */
  white-space: nowrap;
}

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: all 0.3s;
}

.header__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.header__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.header__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===========================
   ドロワーメニュー
=========================== */
.drawer {
  position: fixed;
  top: var(--header-height);
  right: -100%;
  width: 280px;
  height: calc(100vh - var(--header-height));
  background: #fff;
  z-index: 999;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -4px 0 20px rgba(0,0,0,0.1);
}

.drawer.is-open {
  right: 0;
}

.drawer__nav ul {
  padding: 24px 0;
}

.drawer__link {
  display: block;
  padding: 18px 24px; /* 16px → 18px */
  font-weight: 500;
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  border-bottom: 1px solid var(--color-gray-border);
  color: var(--color-black);
  transition: background 0.2s;
}

.drawer__link:hover {
  background: var(--color-gray);
}

.drawer__link--cta {
  margin: 16px;
  border-radius: 4px;
  background: var(--color-yellow);
  color: var(--color-black);
  font-weight: 700;
  text-align: center;
  border-bottom: none;
}

.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ===========================
   ヒーローセクション
=========================== */
.hero {
  background: var(--color-red);
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 60px;
  color: #fff;
  overflow: hidden;
}

.hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 48px;
}

.hero__content {
  flex: 1;
  min-width: 0;
}

.hero__image {
  flex: 0 0 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__image img {
  width: 100%;
  max-width: 420px;
}

.hero__label {
  display: inline-block;
  background: var(--color-yellow);
  color: var(--color-black);
  font-size: 0.9375rem; /* 0.8125rem → 0.9375rem */
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 2px;
  margin-bottom: 20px;
}

.hero__title {
  font-size: 2.75rem; /* 2.5rem → 2.75rem */
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 22px;
  color: #fff;
}

.hero__title strong {
  font-weight: 900;
}

.hero__desc {
  font-size: 1.0625rem; /* 0.9375rem → 1.0625rem */
  line-height: 1.9;
  margin-bottom: 28px;
  color: rgba(255,255,255,0.92);
}

.hero__check-list {
  margin-bottom: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__check-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 1.0625rem; /* 0.9375rem → 1.0625rem */
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(255,255,255,0.3);
  color: #fff;
}

.hero__check-list li:last-child {
  border-bottom: none;
}

.check-icon {
  color: var(--color-yellow);
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 36px;
}

.hero__stat {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__stat img {
  width: 100%;
  max-width: 130px; /* 120px → 130px */
  height: auto;
  object-fit: contain;
}

.hero__cta {
  font-size: 1.1875rem; /* 1.125rem → 1.1875rem */
  padding: 22px 52px;
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

/* ===========================
   よくある課題
=========================== */
.problems {
  background: #fff;
  padding: 88px 0; /* 80px → 88px */
}

.problems__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 64px;
}

.problem-card {
  border: 2px solid #E0E0E0;
  border-radius: 8px;
  padding: 36px 28px; /* 32px 24px → 36px 28px */
  text-align: center;
}

.problem-card__icon {
  font-size: 2.25rem; /* 2rem → 2.25rem */
  color: var(--color-red);
  font-weight: 900;
  margin-bottom: 18px;
}

.problem-card h3 {
    font-size: 37.25px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 14px;
}

.problem-card h3 strong {
  font-weight: 900;
}

.problem-card p {
  font-size: 1rem; /* 0.875rem → 1rem */
  color: #555;
  line-height: 1.8;
}

/* 課題イラスト */
.problems__illust {
  text-align: center;
  margin: 36px 0 0;
}

.problems__illust img {
  max-width: 340px; /* 320px → 340px */
  width: 100%;
  margin: 0 auto;
}

/* 共通原因 */
.cause {
  background: var(--color-gray);
  border-radius: 8px;
  padding: 44px 52px; /* 40px 48px → 44px 52px */
}

.cause__title {
  font-size: 1.375rem; /* 1.25rem → 1.375rem */
  font-weight: 900;
  text-align: center;
  margin-bottom: 28px;
}

.cause__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cause__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 1.0625rem; /* 0.9375rem → 1.0625rem */
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-gray-border);
}

.cause__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cause__icon {
  color: var(--color-red);
  font-weight: 900;
  font-size: 1.15rem; /* 1.1rem → 1.15rem */
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===========================
   解決策セクション
=========================== */
.solution {
  background: var(--color-yellow);
  padding: 88px 0;
}

.solution__lead {
  text-align: center;
  font-size: 1.375rem; /* 1.25rem → 1.375rem */
  font-weight: 700;
  margin-bottom: 10px;
}

.solution__sub {
  text-align: center;
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  font-weight: 700;
  margin-bottom: 18px;
}

.solution__title {
  text-align: center;
  font-size: 2.25rem; /* 2rem → 2.25rem */
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 28px;
}

.solution__title .text-yellow {
  color: var(--color-red);
  background: var(--color-black);
  padding: 2px 8px;
  border-radius: 2px;
}

.solution__desc {
  text-align: center;
  font-size: 1.0625rem; /* 0.9375rem → 1.0625rem */
  line-height: 1.9;
  margin-bottom: 52px;
  max-width: 740px;
  margin-left: auto;
  margin-right: auto;
}

.solution__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 720px; /* 700px → 720px */
  margin: 0 auto;
}

.solution__feature {
  background: #fff;
  border-radius: 50%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.solution__feature-icon img {
  width: 60px; /* 56px → 60px */
  height: 60px;
  object-fit: contain;
  margin: 0 auto;
}

.solution__feature h3 {
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  font-weight: 700;
}

.solution__feature p {
  font-size: 0.8125rem; /* 0.75rem → 0.8125rem */
  color: #555;
  line-height: 1.4;
}

/* ===========================
   5つのメリット
=========================== */
.merits {
  background: var(--color-red);
  padding: 80px 0;
}

.merits__list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.merits__list .merit__card-img:nth-child(1) { grid-column: 1 / 3; }
.merits__list .merit__card-img:nth-child(2) { grid-column: 3 / 5; }
.merits__list .merit__card-img:nth-child(3) { grid-column: 5 / 7; }
.merits__list .merit__card-img:nth-child(4) { grid-column: 2 / 4; }
.merits__list .merit__card-img:nth-child(5) { grid-column: 4 / 6; }

.merit__card-img {
  width: 100%;
}

.merit__card-img img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}

/* ===========================
   ご利用の流れ
=========================== */
.flow {
  background: #fff;
  padding: 88px 0;
}

.flow__steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 740px; /* 720px → 740px */
  margin: 0 auto;
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 32px;
  bottom: 32px;
  width: 2px;
  background: var(--color-red);
}

.flow__step {
  display: flex;
  align-items: flex-start;
  gap: 28px; /* 24px → 28px */
  padding: 28px 0; /* 24px → 28px */
  position: relative;
}

.flow__step-num {
  flex-shrink: 0;
  width: 60px; /* 56px → 60px */
  height: 60px;
  background: var(--color-red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem; /* 1.125rem → 1.25rem */
  font-weight: 900;
  position: relative;
  z-index: 1;
}

.flow__step-content h3 {
  font-size: 1.25rem; /* 1.125rem → 1.25rem */
  font-weight: 700;
  margin-bottom: 10px;
  padding-top: 12px;
}

.flow__step-content h3 small {
  font-size: 0.8em;
  font-weight: 400;
}

.flow__step-content p {
  font-size: 1.0625rem; /* 0.9375rem → 1.0625rem */
  color: #555;
  line-height: 1.8;
}

/* ===========================
   選ばれる理由
=========================== */
.reasons {
  background: var(--color-yellow);
  padding: 88px 0;
}

.reasons__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px; /* 24px → 28px */
}

.reason-card {
  background: #fff;
  border-radius: 12px;
  padding: 36px 32px; /* 32px 28px → 36px 32px */
  position: relative;
}

.reason-card__num {
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 1.625rem; /* 1.5rem → 1.625rem */
  font-weight: 900;
  color: var(--color-yellow);
  line-height: 1;
}

.reason-card__image {
  text-align: center;
  margin-bottom: 22px;
  margin-top: 28px;
}

.reason-card__image img {
  width: 110px; /* 100px → 110px */
  height: 110px;
  object-fit: contain;
  margin: 0 auto;
}

.reason-card h3 {
  font-size: 30px; /* 1.125rem → 1.25rem */
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 14px;
}

.reason-card p {
  font-size: 1rem; /* 0.875rem → 1rem */
  color: #555;
  line-height: 1.85;
}

/* ===========================
   よくあるご質問
=========================== */
.faq {
  background: #fff;
  padding: 88px 0;
}

.faq__list {
  max-width: 820px; /* 800px → 820px */
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-bottom: 1px solid var(--color-gray-border);
}

.faq__item:first-child {
  border-top: 1px solid var(--color-gray-border);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 0; /* 20px → 22px */
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 2.0; /* 1rem → 1.0625rem */
  font-weight: 700;
  color: var(--color-black);
  font-family: inherit;
  transition: color 0.2s;
}

.faq__question:hover {
  color: var(--color-red);
}

.faq__q-icon {
  flex-shrink: 0;
  width: 32px; /* 28px → 32px */
  height: 32px;
  background: var(--color-red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9375rem; /* 0.875rem → 0.9375rem */
  font-weight: 900;
}

.faq__question > span:nth-child(2) {
  flex: 1;
}

.faq__arrow {
  flex-shrink: 0;
  font-size: 0.8125rem; /* 0.75rem → 0.8125rem */
  color: var(--color-red);
  transition: transform 0.3s;
}

.faq__question[aria-expanded="true"] .faq__arrow {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  padding: 0 0 0 48px; /* 44px → 48px */
}

.faq__answer.is-open {
  max-height: 500px;
  padding-bottom: 22px;
}

.faq__answer p {
  font-size: 1rem; /* 0.9375rem → 1rem */
  color: #555;
  line-height: 1.85;
}

/* ===========================
   CTAセクション
=========================== */
.cta-section {
  background: var(--color-red);
  padding: 88px 0;
  text-align: center;
  color: #fff;
}

.cta-section__lead {
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  margin-bottom: 14px;
  opacity: 0.9;
}

.cta-section__title {
  font-size: 2.25rem; /* 2rem → 2.25rem */
  font-weight: 900;
  margin-bottom: 40px;
  line-height: 1.4;
}

/* ===========================
   CTA埋め込みフォーム
=========================== */
.cta-form-wrap {
  max-width: 780px;
  margin: 0 auto;
}

.cta-form {
  background: #fff;
  border-radius: 16px;
  padding: 40px 48px;
  text-align: left;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
}

.cta-form__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 24px;
  margin-bottom: 20px;
}

.cta-form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cta-form__group--full {
  grid-column: 1 / -1;
}

.cta-form__group label {
  font-size: 0.875rem;
  font-weight: 700;
  color: #222;
}

.cta-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 3px;
  margin-left: 7px;
  vertical-align: middle;
}

.cta-badge--req {
  background: var(--color-red);
  color: #fff;
}

.cta-badge--opt {
  background: #999;
  color: #fff;
}

.cta-form__group input[type="text"],
.cta-form__group input[type="email"],
.cta-form__group input[type="tel"],
.cta-form__group select,
.cta-form__group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-family: inherit;
  color: #222;
  background: #fff;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.cta-form__group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.cta-form__group input:focus,
.cta-form__group select:focus,
.cta-form__group textarea:focus {
  outline: none;
  border-color: var(--color-red);
}

.cta-form__group textarea {
  height: 130px;
  resize: vertical;
}

.cta-form__group input::placeholder,
.cta-form__group textarea::placeholder {
  color: #bbb;
}

.cta-form__privacy {
  margin-bottom: 24px;
}

.cta-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.cta-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-red);
  cursor: pointer;
  flex-shrink: 0;
}

.cta-checkbox span {
  font-size: 0.875rem;
  color: #333;
  font-weight: 600;
}

.cta-checkbox span a {
  color: var(--color-red);
  text-decoration: underline;
}

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

/* 送信完了 */
.cta-success {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 56px 40px;
  color: #fff;
}

.cta-success__icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.cta-success h3 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 14px;
}

.cta-success p {
  font-size: 1rem;
  line-height: 1.9;
  opacity: 0.95;
}

/* エラー */
.cta-error {
  max-width: 600px;
  margin: 0 auto;
  background: rgba(0,0,0,0.25);
  border-radius: 12px;
  padding: 24px 28px;
  color: #fff;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===========================
   問い合わせ種別ラジオボタン
=========================== */
.inquiry-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.inquiry-option {
  cursor: pointer;
}

.inquiry-option input[type="radio"] {
  display: none;
}

.inquiry-option span {
  display: inline-block;
  padding: 10px 20px;
  border: 1.5px solid #ddd;
  border-radius: 50px;
  font-size: 0.875rem;
  color: #555;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  white-space: nowrap;
}

.inquiry-option input[type="radio"]:checked + span {
  background: var(--color-red);
  border-color: var(--color-red);
  color: #fff;
}

.inquiry-option span:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

/* ===========================
   フォーム内電話ボタン
=========================== */
.form-tel-btn {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.form-tel-btn__or {
  color: #aaa;
  font-size: 0.875rem;
}

.form-tel-btn__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f5f5f5;
  border: 2px solid #e0e0e0;
  color: #222;
  padding: 13px 28px;
  border-radius: 50px;
  font-weight: 700;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.form-tel-btn__link:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

.form-tel-btn__num {
  font-size: 1.125rem;
  letter-spacing: 0.05em;
}

.form-tel-btn__link small {
  font-size: 0.75rem;
  font-weight: 400;
  color: #888;
}

/* ===========================
   SP固定フッター
=========================== */
.sp-fixed-footer {
  display: none;
}

/* ===========================
   フッター
=========================== */
.footer {
  background: #1A1A1A;
  color: rgba(255,255,255,0.7);
  padding: 32px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.0625rem; /* 1rem → 1.0625rem */
  color: #fff;
}

.footer__copy {
  font-size: 0.875rem; /* 0.8125rem → 0.875rem */
}

/* ===========================
   レスポンシブ (SP: 768px以下)
=========================== */
@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }

  html {
    font-size: 16px; /* SPは16pxベース（画面が小さいため）*/
  }

  .sp-only { display: block; }
  .pc-only { display: none; }

  .container {
    padding: 0 20px;
  }

  .section-title {
    font-size: 1.5rem; /* 1.375rem → 1.5rem */
    margin-bottom: 36px;
  }

  .section-subtitle {
    font-size: 0.9375rem;
  }

  /* ヘッダー */
  .header__nav,
  .header__cta {
    display: none;
  }

  .header__hamburger {
    display: flex;
    margin-left: auto;
  }

  .header__inner {
    padding: 0 20px;
    gap: 16px;
  }

  /* ヒーロー */
  .hero {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 48px;
  }

  .hero__inner {
    flex-direction: column;
    padding: 0 20px;
    gap: 24px;
  }

  .hero__image {
    flex: none;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    order: -1;
  }

  .hero__title {
    font-size: 35.5px; /* 1.75rem → 2rem */
    text-align: center;
  }

  .hero__label {
    display: block;
    text-align: center;
    font-size: 0.875rem;
  }

  .hero__desc {
        font-size: 20px;
        text-align: center;
        font-weight: bold;
    }

  .hero__check-list {
    text-align: left;
  }

  .hero__check-list li {
    font-size: 1rem; /* SP でも読みやすいサイズに */
  }

  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .hero__stat img {
    max-width: 155px;
  }

  .hero__cta {
    width: 100%;
    font-size: 1.0625rem; /* 1rem → 1.0625rem */
    padding: 20px 24px;
  }

  /* よくある課題 */
  .problems {
    padding: 64px 0;
  }

  .problems__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .problem-card {
    padding: 28px 20px;
  }

  .problem-card h3 {
    font-size: 35px; /* SP用 */
  }

  .problem-card p {
    font-size: 0.9375rem;
  }

  .cause {
    padding: 32px 20px;
  }

  .cause__title {
    font-size: 1.125rem; /* 1rem → 1.125rem */
  }

  .cause__list li {
    font-size: 0.9375rem;
  }

  /* 解決策 */
  .solution {
    padding: 64px 0;
  }

  .solution__lead {
    font-size: 1.125rem;
  }

  .solution__title {
    font-size: 1.5rem; /* 1.375rem → 1.5rem */
  }

  .solution__desc {
    font-size: 20px; /* 0.875rem → 0.9375rem */
  }

  .solution__features {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    max-width: 100%;
  }

  .solution__feature {
    padding: 16px 8px;
  }

  .solution__feature h3 {
    font-size: 0.875rem; /* 0.8125rem → 0.875rem */
  }

  .solution__feature p {
    display: none;
  }

  /* メリット */
  .merits {
    padding: 64px 0;
  }

  .merits__list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* SP: すべてのカードを1列全幅に */
  .merits__list .merit__card-img:nth-child(1),
  .merits__list .merit__card-img:nth-child(2),
  .merits__list .merit__card-img:nth-child(3),
  .merits__list .merit__card-img:nth-child(4),
  .merits__list .merit__card-img:nth-child(5) {
    grid-column: 1 / 2;
  }

  .merit__card-img {
    max-width: 380px; /* 360px → 380px */
    margin: 0 auto;
    width: 100%;
  }

  /* ご利用の流れ */
  .flow {
    padding: 64px 0;
  }

  .flow__step-content h3 {
    font-size: 1.125rem;
  }

  .flow__step-content p {
    font-size: 0.9375rem;
  }

  .flow__steps::before {
    left: 27px;
  }

  /* 選ばれる理由 */
  .reasons {
    padding: 64px 0;
  }

  .reasons__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .reason-card {
    padding: 28px 20px;
  }

  .reason-card h3 {
    font-size: 25px;
  }

  .reason-card p {
    font-size: 0.9375rem;
  }

  /* FAQ */
  .faq {
    padding: 64px 0;
  }

  .faq__question {
    font-size: 1rem; /* 0.9375rem → 1rem */
    gap: 12px;
    padding: 20px 0;
  }

  .faq__answer p {
    font-size: 0.9375rem;
  }

  /* CTA */
  .cta-section {
    padding: 64px 0;
  }

  .cta-section__lead {
    font-size: 1rem;
  }

  .cta-section__title {
    font-size: 1.625rem; /* 1.5rem → 1.625rem */
  }

  .cta-section .btn--large {
    width: 100%;
    max-width: 340px;
    padding: 20px 24px;
    font-size: 1.0625rem; /* 1rem → 1.0625rem */
  }

  /* CTA埋め込みフォーム SP */
  .cta-form {
    padding: 28px 20px;
  }

  .cta-form__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .cta-form__group--full {
    grid-column: 1 / 2;
  }

  .cta-form__submit .btn--large {
    width: 100%;
    max-width: 100%;
  }

  /* 問い合わせ種別 SP */
  .inquiry-options {
    gap: 8px;
  }

  .inquiry-option span {
    padding: 9px 16px;
    font-size: 0.8125rem;
  }

  /* 電話ボタン SP */
  .form-tel-btn {
    flex-direction: column;
    gap: 10px;
  }

  .form-tel-btn__link {
    width: 100%;
    justify-content: center;
  }

  /* SP固定フッター */
  .sp-fixed-footer {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.18);
  }

  .sp-fixed-footer__tel,
  .sp-fixed-footer__contact {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px 14px;
    text-decoration: none;
    gap: 3px;
  }

  .sp-fixed-footer__tel {
    background: var(--color-red);
    color: #fff;
  }

  .sp-fixed-footer__contact {
    background: var(--color-yellow);
    color: #222;
  }

  .sp-fixed-footer__tel span,
  .sp-fixed-footer__contact span {
    font-size: 0.8125rem;
    font-weight: 700;
  }

  .sp-fixed-footer__tel small {
    font-size: 0.6875rem;
    opacity: 0.85;
  }

  /* SP固定フッター分の余白 */
  body {
    padding-bottom: 68px;
  }

  /* フッター */
  .footer .container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}