/* ===========================
   CSS Variables
   =========================== */
:root {
  --color-green:      #6dd4c7;
  --color-green-dark: #6dd4c7;
  --color-bg:         #cdeee9;
  --color-text:       #1a1a1a;
  --color-text-muted: #666666;
  --color-highlight:  #ffc9c9;
  --color-underline:  #fde047;
  --font-main:        'Noto Sans JP', sans-serif;
  --radius-card:      16px;
  --shadow-card:      0 4px 20px rgba(0,0,0,0.08);
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  background-image: radial-gradient(#f6e7a3 1.5px, transparent 1.5px);
  background-size: 30px 30px;
}

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

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

/* ===========================
   Header
   =========================== */
.header {
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header__logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.header__logo-text {
  font-size: 1.05rem;
  font-weight: 700;
}

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

.header__nav a:not(.header__login-btn) {
  font-size: 0.95rem;
  font-weight: 500;
  color: #333;
  transition: color 0.2s;
}

.header__nav a:not(.header__login-btn):hover {
  color: var(--color-green);
}

.header__login-btn {
  background: var(--color-green);
  color: #fff !important;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 28px;
  border-radius: 999px;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 2px 10px rgba(6,199,85,0.3);
}

.header__login-btn:hover {
  background: var(--color-green-dark);
  transform: translateY(-1px);
}

/* ===========================
   Hero
   =========================== */
.hero {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 64px 40px 80px;
  
}

/* キャッチコピー */
.hero__headline {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  text-align: center;
  margin-bottom: 56px;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.hero__highlight {
  background: linear-gradient(
    transparent 65%,
    rgba(255, 201, 201, 0.9) 65%
  );
  padding: 0 4px;
  border-radius: 4px;
}

/* コンテンツ横並び */
.hero__content {
  display: flex;
  align-items: flex-start;
  gap: 40px;
}

.hero__marker {
  background: linear-gradient(
    transparent 60%,
    rgba(253, 224, 71, 0.5) 60%
  );
}

/* ===========================
   左エリア
   =========================== */
.hero__left {
  flex: 1;
  max-width: 650px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero__service-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
}

.hero__cake-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: inline-block;
}

.hero__service-sub {
  font-size: 1.25rem;
  font-weight: 700;
  color: #222;
  margin-bottom: 4px;
}

.hero__desc-card {
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-card);
  padding: 28px 32px;
  margin-top: 8px;
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(4px);
}

.hero__desc-text {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.8;
  color: #1a1a1a;
}

/* ===========================
   QRカード（右）
   =========================== */
.hero__qr-card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 32px 32px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: 240px;
  flex-shrink: 0;
}

.hero__qr-title {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-text);
  align-self: flex-start;
}

.hero__qr-img {
  width: 160px;
  height: 160px;
  object-fit: contain;
}

.hero__qr-handle {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

.hero__add-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--color-green);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 13px 20px;
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(6,199,85,0.3);
  transition: background 0.2s, transform 0.15s;
}

.hero__add-btn:hover {
  background: var(--color-green-dark);
  transform: translateY(-2px);
}

.hero__btn-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

/* ===========================
   Footer
   =========================== */
.footer {
  background: #fff;
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 28px 40px;
}

.footer__inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__contact-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
}

.footer__contact p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 680px) {
  .header__inner {
    padding: 0 20px;
  }

  .hero {
    padding: 40px 20px 60px;
  }

  .hero__headline {
    font-size: 1.25rem;
    margin-bottom: 36px;
  }

  .hero__content {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__qr-card {
    min-width: unset;
  }

  .footer {
    padding: 24px 20px;
  }
}