/* Sample4: ポップ・カジュアル */
:root {
  --bg: #fff4d6;
  --ink: #2b2018;
  --primary: #ff6b4a;
  --teal: #2fb6a5;
  --yellow: #ffd447;
  --card: #ffffff;
  --header-h: 76px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Zen Maru Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
}

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

.s4-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- ヘッダー ---------- */
.s4-header {
  position: fixed;
  top: var(--samples-bar-h);
  left: 0;
  right: 0;
  min-height: var(--header-h);
  background: var(--bg);
  border-bottom: 3px solid var(--ink);
  z-index: 150;
}

.s4-header .s4-wrap {
  min-height: var(--header-h);
  padding-top: 10px;
  padding-bottom: 10px;
  display: flex;
  flex-wrap: wrap;
  row-gap: 6px;
  align-items: center;
  justify-content: space-between;
}

.s4-nav {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.s4-nav a {
  white-space: nowrap;
}

.s4-logo {
  font-weight: 900;
  font-size: 1.1rem;
}

.s4-nav {
  display: flex;
  gap: 8px;
}

.s4-nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
}

.s4-nav a:hover {
  background: var(--yellow);
}

/* ---------- ヒーロー ---------- */
.s4-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--samples-bar-h) + var(--header-h));
  padding-bottom: 60px;
}

.s4-blob {
  position: absolute;
  border-radius: 50%;
  z-index: 0;
}

.s4-blob-1 {
  width: 320px;
  height: 320px;
  background: var(--yellow);
  top: 20%;
  right: -80px;
  opacity: 0.7;
}

.s4-blob-2 {
  width: 200px;
  height: 200px;
  background: var(--teal);
  bottom: 0;
  left: -60px;
  opacity: 0.35;
}

.s4-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
  padding-top: 40px;
}

@media (min-width: 860px) {
  .s4-hero-grid {
    grid-template-columns: 1.05fr 1fr;
  }

  .s4-hero-inner {
    text-align: left;
  }
}

.s4-hero-inner {
  text-align: center;
}

/* スマホでは写真を先に見せてファーストビューでラーメンが分かるようにする */
.s4-hero-photo {
  order: -1;
}

@media (min-width: 860px) {
  .s4-hero-photo {
    order: 0;
  }
}

.s4-hero-photo img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 28px;
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  transform: rotate(-3deg);
}

.s4-eyebrow {
  display: inline-block;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 18px;
  border-radius: 999px;
  margin: 0 0 20px;
}

.s4-hero-inner h1 {
  font-size: clamp(2.2rem, 8vw, 3.6rem);
  font-weight: 900;
  line-height: 1.3;
  margin: 0 0 18px;
}

.s4-hero-inner h1 span {
  color: var(--primary);
}

.s4-lead {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 30px;
}

.s4-btn {
  display: inline-block;
  padding: 15px 36px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 900;
  font-size: 1rem;
  border-radius: 999px;
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.s4-btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

/* ---------- セクション共通 ---------- */
.s4-section {
  padding: 64px 0;
}

.s4-section-alt {
  background: #ffeab8;
}

.s4-heading {
  text-align: center;
  font-size: 1.6rem;
  font-weight: 900;
  margin: 0 0 36px;
}

/* ---------- メニュー ---------- */
.s4-menu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 620px) {
  .s4-menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 980px) {
  .s4-menu-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.s4-menu-card {
  position: relative;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 5px 5px 0 var(--ink);
}

.s4-menu-card img {
  aspect-ratio: 1 / 1;
  width: 100%;
  object-fit: cover;
  border-bottom: 3px solid var(--ink);
}

.s4-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 999px;
  padding: 4px 12px;
  font-weight: 900;
  font-size: 0.85rem;
}

.s4-c1 .s4-tag { background: var(--yellow); }
.s4-c2 .s4-tag { background: #ffb1a0; }
.s4-c3 .s4-tag { background: #a8e6da; }

.s4-menu-body {
  padding: 16px 18px 20px;
}

.s4-menu-body h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 700;
}

.s4-menu-body p {
  margin: 0;
  font-size: 0.85rem;
  color: #5c4c40;
}

/* ---------- アクセス / 営業時間 ---------- */
.s4-two-col {
  display: grid;
  gap: 24px;
}

@media (min-width: 860px) {
  .s4-two-col {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.s4-panel {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 20px;
  padding: 24px 26px;
  box-shadow: 5px 5px 0 var(--ink);
}

.s4-def {
  margin: 0;
}

.s4-def dt {
  font-weight: 700;
  color: var(--primary);
  margin-top: 16px;
}

.s4-def dt:first-child {
  margin-top: 0;
}

.s4-def dd {
  margin: 4px 0 0;
}

.s4-def-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
}

.s4-def-row dt {
  margin-top: 0;
}

.s4-map {
  border: 3px solid var(--ink);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 5px 5px 0 var(--ink);
}

.s4-map iframe {
  width: 100%;
  height: 280px;
  border: 0;
  display: block;
}

.s4-hours-panel {
  max-width: 480px;
  margin: 0 auto;
}

.s4-notice {
  max-width: 480px;
  margin: 24px auto 0;
  padding: 14px 18px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 14px;
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: help;
}

.s4-lead-sub {
  text-align: center;
  margin: 0 0 24px;
}

.s4-section#contact {
  text-align: center;
}

/* ---------- フッター ---------- */
.s4-footer {
  border-top: 3px solid var(--ink);
  padding: 28px 0;
  font-size: 0.8rem;
  text-align: center;
}

.s4-footer p {
  margin: 0 0 6px;
}