/* Sketter LP */

:root {
  --color-text: #224155;
  --color-green: #214d31;
  --color-green-bright: #7bc43a;
  --color-green-mid: #5aa82e;
  --color-green-deep: #1a4a28;
  --color-cream: #fefbc2;
  --color-cream-soft: #fffef5;
  --color-white: #ffffff;
  --color-footer: #1f4d32;
  --font-display: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  --header-h: 72px;
  --radius-btn: 20px;
  --radius-card: 36px;
  --shadow-btn: 0 8px 11px rgba(13, 38, 43, 0.33);
  --max: 1100px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-cream-soft);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

picture {
  display: block;
  width: 100%;
  line-height: 0;
}

picture img {
  width: 100%;
  max-width: none;
}

a {
  color: inherit;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 0.5rem 1rem;
  z-index: 1000;
}

.skip-link:focus {
  left: 0;
}

.sp-only {
  display: none;
}

/* Header / sticky CTA */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  pointer-events: none;
}

.site-header__inner {
  width: 100%;
  max-width: none;
  margin: 0 auto;
  padding: 12px clamp(24px, 4vw, 64px);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  pointer-events: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 800;
  letter-spacing: 0.15em;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--sticky {
  pointer-events: auto;
  background: var(--color-green-bright);
  color: var(--color-white);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 14px 28px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(33, 77, 49, 0.28);
}

.btn__chevron {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  margin-left: 4px;
}

.btn--primary {
  background: var(--color-white);
  color: var(--color-green);
  font-size: 20px;
  min-height: 81px;
  min-width: min(656px, 100%);
  padding: 24px 28px 24px 64px;
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-btn);
}

.btn--primary img {
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
}

/* Hero */
.hero {
  position: relative;
  background: linear-gradient(90deg, #eef1b0 0%, #eaf1ad 100%);
  overflow: hidden;
  margin-top: calc(var(--header-h) * -1);
  padding-top: 0;
}

.hero__stage {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.hero__visual {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  pointer-events: none;
}

.section-title--live {
  color: var(--color-text);
  font-weight: 800;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.7;
  letter-spacing: 0.06em;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 手伝う〜マイル換算（デザイン連続1枚） */
.features-block {
  margin: 0;
  padding: 0;
  background: var(--color-cream);
  text-align: center;
  line-height: 0;
  overflow: hidden;
}

.features-block__stage {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.features-block__img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  margin: 0 auto;
  vertical-align: top;
}

/* 画像内「こちら」への透明ヒット領域 */
.features-block__link {
  position: absolute;
  left: 48.4%;
  top: 82.7%;
  width: 4.8%;
  height: 2.5%;
  z-index: 2;
  color: transparent;
  font-size: 1px;
  text-decoration: none;
  border-radius: 2px;
}

.features-block__link:focus-visible {
  outline: 2px solid #d8f06a;
  outline-offset: 2px;
  color: transparent;
}

.note {
  margin: 0 auto;
  max-width: 640px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.8;
  color: var(--color-text);
  letter-spacing: 0.04em;
}

.note--on-green {
  margin-top: -12px;
  padding: 20px 16px 0;
  position: relative;
  z-index: 1;
  color: #fff;
  font-size: 14px;
  line-height: 1.9;
  text-align: center;
}

.note--center {
  text-align: center;
  margin-top: 24px;
  padding: 0 24px 8px;
}

.note__link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 700;
}

.note__link--on-green {
  color: #d8f06a;
  text-decoration-color: #d8f06a;
}

.note__link:hover {
  opacity: 0.85;
}

/* Mechanism */
.mechanism {
  background: var(--color-cream);
  padding: 72px 24px 64px;
}

.mechanism__intro {
  max-width: 880px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-title {
  margin: 0 0 28px;
  font-family: var(--font-body);
  font-size: clamp(22px, 2.4vw, 32px);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.04em;
  text-align: center;
}

.section-title--img {
  margin: 0 auto 28px;
  max-width: 900px;
}

.section-title--img img {
  width: 100%;
  height: auto;
  margin: 0 auto;
}

.mechanism__body {
  margin: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.04em;
}

.mechanism__diagrams {
  width: min(960px, 100%);
  margin: 0 auto;
}

/* CTA bands — デザイン画像をビューポート全幅に広げてサイドの柱を消す */
.cta-band {
  position: relative;
  margin: 0;
  padding: 0;
  background: var(--color-cream);
  text-align: center;
  line-height: 0;
  overflow: hidden;
}

.cta-band--final {
  background: var(--color-footer);
}

.cta-band__inner {
  position: relative;
  width: 100%;
  margin: 0 auto;
}

.cta-band__art {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  margin: 0 auto;
  vertical-align: top;
}

.cta-band__hit {
  position: absolute;
  z-index: 2;
  display: block;
  color: transparent;
  font-size: 1px;
  text-decoration: none;
  border-radius: 999px;
}

.cta-band__hit--mid {
  left: 33.1%;
  top: 45%;
  width: 34.1%;
  height: 17.1%;
}

.cta-band__hit--final {
  left: 32.6%;
  top: 58%;
  width: 34.1%;
  height: 14.9%;
}

.cta-band__hit:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

/* Flow */
.flow {
  background: var(--color-cream);
  padding: 80px 24px 64px;
}

.flow__list {
  list-style: none;
  margin: 40px auto 0;
  padding: 0;
  max-width: 788px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.flow__item {
  display: grid;
  grid-template-columns: 118px 122px 1fr;
  gap: 28px;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius-card);
  padding: 32px 40px;
  min-height: 185px;
}

.flow__step {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 118px;
}

.flow__step img {
  width: 100%;
  max-width: 118px;
  height: auto;
}

.flow__icon {
  width: 122px;
  height: 122px;
  position: relative;
  flex-shrink: 0;
}

.flow__icon img {
  width: 122px;
  height: 122px;
  object-fit: contain;
}

.flow__icon--photo {
  display: grid;
  place-items: center;
}

.flow__icon--photo .flow__icon-bg,
.flow__icon--photo .flow__icon-fg {
  grid-area: 1 / 1;
}

.flow__icon-fg {
  width: 91px !important;
  height: 73px !important;
  object-fit: contain;
}

.flow__icon-fg--miles {
  width: 95px !important;
  height: 55px !important;
}

.flow__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.3;
}

.flow__text p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.55;
}

/* FAQ */
.faq {
  background: var(--color-cream);
  padding: 40px 24px 80px;
}

.faq__list {
  max-width: 830px;
  margin: 36px auto 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq__item {
  background: var(--color-white);
  border-radius: 20px;
  padding: 22px 28px 24px;
  box-shadow: 0 2px 10px rgba(34, 65, 85, 0.06);
}

.faq__q {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.faq__mark {
  margin-right: 0.35em;
}

.faq__rule {
  border: none;
  border-top: 1px solid #e4e7ea;
  margin: 16px 0;
}

.faq__a {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

/* Legal notes (campaign disclosure sample) */
.legal-notes {
  background: var(--color-cream-soft);
  color: var(--color-text);
  padding: 40px 24px 48px;
  border-top: 1px solid rgba(34, 65, 85, 0.12);
}

.legal-notes__inner {
  max-width: 880px;
  margin: 0 auto;
}

.legal-notes__title {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.legal-notes__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.85;
  letter-spacing: 0.03em;
}

.legal-notes__list li {
  margin: 0 0 12px;
  padding-left: 0;
}

.legal-notes__list strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  font-size: 13px;
}

.legal-notes__list a {
  color: var(--color-green);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-notes__list a:hover {
  opacity: 0.85;
}

/* Footer */
.site-footer {
  background: var(--color-footer);
  color: var(--color-white);
  padding: 48px 0 40px;
}

.site-footer__inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 clamp(24px, 14.1vw, 271px);
}

.site-footer__logos {
  display: flex;
  justify-content: flex-start;
  margin: 0 0 36px;
}

.site-footer__logos img {
  width: min(319px, 72vw);
  height: auto;
}

.site-footer__rule {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.85);
  margin: 0 0 24px;
}

.site-footer__copy {
  margin: 0;
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
  .hero__visual {
    animation: fade-in 1.1s ease 0.1s both;
  }

  .flow__item {
    animation: fade-up 0.6s ease both;
  }

  .flow__item:nth-child(1) { animation-delay: 0.05s; }
  .flow__item:nth-child(2) { animation-delay: 0.1s; }
  .flow__item:nth-child(3) { animation-delay: 0.15s; }
  .flow__item:nth-child(4) { animation-delay: 0.2s; }
  .flow__item:nth-child(5) { animation-delay: 0.25s; }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Responsive — mobile (Frame 39 ~375) */
@media (max-width: 768px) {
  :root {
    --header-h: 64px;
  }

  .sp-only {
    display: inline;
  }

  .site-header__inner {
    padding: 10px 12px;
  }

  .btn--sticky {
    font-size: 13px;
    padding: 12px 18px;
    margin-left: auto;
  }

  .btn--primary {
    font-size: 16px;
    min-height: 64px;
    width: 100%;
    padding: 18px 20px;
    letter-spacing: 0.1em;
  }

  .hero__stage {
    min-height: 0;
  }

  .hero {
    background: #ebf2c8;
  }

  .features-block__link {
    left: 34%;
    top: 85.5%;
    width: 32%;
    height: 3.5%;
  }

  .mechanism__diagrams {
    width: 100%;
    max-width: none;
  }

  .cta-band__hit--mid {
    left: 7%;
    top: 51%;
    width: 86%;
    height: 21%;
  }

  .cta-band__hit--final {
    left: 7%;
    top: 66%;
    width: 86%;
    height: 17%;
  }

  .mechanism,
  .flow,
  .faq {
    padding-left: 16px;
    padding-right: 16px;
  }

  .mechanism__body {
    font-size: 14px;
  }

  .cta-band {
    padding-bottom: 0;
  }

  .flow__item {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    padding: 28px 20px;
    gap: 12px;
    min-height: 0;
  }

  .flow__text p br {
    display: none;
  }

  .flow__text h3 {
    font-size: 18px;
    letter-spacing: 0.06em;
  }

  .flow__text p {
    font-size: 14px;
    letter-spacing: 0.04em;
  }

  .faq__q {
    font-size: 15px;
  }

  .faq__a {
    font-size: 14px;
  }

  .legal-notes {
    padding: 32px 16px 40px;
  }

  .legal-notes__list {
    font-size: 12px;
  }

  /* Frame 39: ロゴ塊を中央に（内部は左揃えの縦積み） */
  .site-footer__inner {
    padding: 0 24px;
  }

  .site-footer__logos {
    justify-content: center;
  }

  .site-footer__logos picture,
  .site-footer__logos img {
    width: min(220px, 58vw);
    height: auto;
  }
}