:root {
  --ink: #171714;
  --cream: #f6f0e4;
  --paper: #fffaf0;
  --orange: #ff5a2f;
  --blue: #3157ff;
  --lime: #ccf53b;
  --line: #06c755;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", Arial, sans-serif;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { background: var(--lime); color: var(--ink); }

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 24px clamp(20px, 5vw, 72px);
}
.brand {
  font-family: Arial Black, Impact, sans-serif;
  font-size: clamp(20px, 2.2vw, 30px);
  font-weight: 900;
  letter-spacing: -0.07em;
}
.brand span { color: var(--orange); }
.brand-logo {
  position: relative;
  display: block;
  width: 220px;
  height: 102px;
  overflow: hidden;
}
.brand-logo img {
  position: absolute;
  width: 410px;
  max-width: none;
  height: auto;
  left: -99px;
  top: -72px;
}
.site-header nav { display: flex; align-items: center; gap: 30px; }
.site-header nav a { font: 800 12px/1 Arial, sans-serif; letter-spacing: .12em; }
.site-header nav a:hover { color: var(--orange); }
.site-header .nav-line { padding: 11px 18px; border-radius: 999px; background: var(--line); color: #fff; }
.site-header .nav-line:hover { color: #fff; transform: translateY(-2px); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  min-height: 760px;
  padding: 150px clamp(20px, 6vw, 92px) 90px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  right: -170px;
  top: -160px;
  border: 80px solid var(--lime);
  border-radius: 50%;
  opacity: .72;
}
.hero-copy { position: relative; z-index: 3; align-self: center; }
.eyebrow {
  margin: 0 0 22px;
  font: 800 clamp(10px, 1vw, 12px)/1.3 Arial, sans-serif;
  letter-spacing: .18em;
}
.hero h1, .section-heading h2, .line-copy h2 {
  margin: 0;
  font-family: Arial Black, "Hiragino Kaku Gothic ProN", sans-serif;
  font-weight: 900;
  letter-spacing: -.07em;
  line-height: 1.02;
}
.hero h1 { font-size: clamp(54px, 7.6vw, 112px); }
.hero h1 span { color: var(--blue); }
.hero-lead { margin: 30px 0 34px; font-size: clamp(16px, 1.6vw, 20px); font-weight: 700; line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-3px); box-shadow: 0 7px 0 rgba(23,23,20,.14); }
.button-dark { background: var(--ink); color: #fff; }
.button-line { border-color: var(--line); background: var(--line); color: #fff; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.hero-tags span { padding: 8px 11px; border: 1px solid var(--ink); border-radius: 5px; font: 800 11px/1 Arial, sans-serif; letter-spacing: .05em; background: var(--paper); }

.hero-visual { position: relative; min-height: 520px; align-self: center; }
.poster {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(26px, 4vw, 52px);
  border: 3px solid var(--ink);
  box-shadow: 18px 18px 0 var(--ink);
}
.poster-main {
  width: min(86%, 480px);
  aspect-ratio: 4/5;
  right: 5%;
  top: 0;
  transform: rotate(3deg);
  background: var(--orange);
}
.poster-small, .poster-price { font: 900 12px/1 Arial, sans-serif; letter-spacing: .17em; }
.poster strong { font: 900 clamp(62px, 8vw, 118px)/.79 Arial Black, Impact, sans-serif; letter-spacing: -.09em; color: var(--paper); }
.poster-price { align-self: flex-end; padding: 10px 14px; background: var(--lime); border: 2px solid var(--ink); }
.sticker {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 112px;
  height: 112px;
  border: 3px solid var(--ink);
  border-radius: 50%;
  text-align: center;
  font: 900 20px/.9 Arial Black, sans-serif;
}
.sticker-open { left: 2%; top: 8%; transform: rotate(-11deg); background: var(--lime); }
.sticker-new { right: -2%; bottom: 9%; transform: rotate(9deg); background: var(--blue); color: #fff; }
.hanger { position: absolute; z-index: 2; left: 3%; bottom: 5%; width: 170px; height: 85px; border: 7px solid var(--ink); border-top: 0; transform: skewX(-18deg) rotate(-5deg); }
.hanger span { position: absolute; top: -72px; left: 70px; width: 42px; height: 45px; border: 7px solid var(--ink); border-bottom: 0; border-radius: 50% 50% 0 0; transform: skewX(18deg); }
.scroll-cue { position: absolute; bottom: 28px; left: clamp(20px, 6vw, 92px); font: 800 10px/1 Arial, sans-serif; letter-spacing: .18em; }
.scroll-cue span { display: inline-grid; place-items: center; width: 27px; height: 27px; margin-left: 8px; border: 1px solid var(--ink); border-radius: 50%; }

.price-section, .howto-section, .line-section { padding: clamp(84px, 10vw, 150px) clamp(20px, 6vw, 92px); }
.price-section { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: .5fr 1.15fr 1fr; gap: 38px; align-items: end; max-width: 1300px; margin: 0 auto 58px; }
.section-heading h2, .line-copy h2 { font-size: clamp(42px, 5.4vw, 78px); }
.section-heading > p:last-child { max-width: 430px; margin: 0; font-size: 15px; font-weight: 700; line-height: 1.9; }
.price-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 1180px; margin: 0 auto; }
.price-card { display: flex; align-items: center; gap: 20px; min-height: 125px; padding: 20px 24px; border: 2px solid var(--ink); border-radius: 18px; background: var(--cream); box-shadow: 5px 5px 0 var(--ink); }
.price-card .chip-dot { flex: 0 0 auto; width: 46px; height: 46px; border: 2px solid var(--ink); border-radius: 50%; background: var(--paper); }
.price-card span { display: block; margin-bottom: 5px; font: 900 10px/1 Arial, sans-serif; letter-spacing: .13em; }
.price-card strong { display: block; font: 900 clamp(28px, 3vw, 42px)/1 Arial Black, sans-serif; letter-spacing: -.05em; }
.price-card.pink .chip-dot { background: #ff66a8; }
.price-card.blue .chip-dot { background: #3d6eff; }
.price-card.yellow .chip-dot { background: #ffd83e; }
.price-card.green .chip-dot { background: #55ca60; }
.price-card.white .chip-dot { background: #fff; }
.sale-strip { display: grid; grid-template-columns: auto 1fr auto; gap: 24px; align-items: center; max-width: 1180px; margin: 32px auto 0; padding: 20px 28px; border: 2px solid var(--ink); background: var(--lime); transform: rotate(-1deg); }
.sale-badge { padding: 8px 11px; background: var(--ink); color: #fff; font: 900 10px/1 Arial, sans-serif; letter-spacing: .1em; }
.sale-strip p { margin: 0; font: 900 25px/1 Arial Black, sans-serif; }
.sale-strip p strong { color: var(--orange); font-size: 42px; }
.sale-strip small { font-weight: 700; }

.howto-section { background: var(--blue); color: #fff; }
.section-heading.light { grid-template-columns: .55fr 1.7fr; align-items: start; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; max-width: 1300px; margin: 0 auto; }
.step-card { min-height: 255px; padding: 26px; border: 2px solid #fff; border-radius: 18px; background: rgba(255,255,255,.07); }
.step-number { display: inline-grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; background: var(--lime); color: var(--ink); font: 900 16px/1 Arial Black, sans-serif; }
.step-card h3 { margin: 52px 0 12px; font-size: 21px; }
.step-card p { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; font-weight: 600; line-height: 1.8; }
.payment-note { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; max-width: 1300px; margin: 26px auto 0; padding: 23px 27px; background: var(--paper); color: var(--ink); border-radius: 12px; }
.payment-label { display: block; margin-bottom: 5px; color: var(--orange); font: 900 10px/1 Arial, sans-serif; letter-spacing: .15em; }
.payment-note p { margin: 0; font-weight: 800; }
.camera-note { padding-left: 30px; border-left: 1px solid var(--ink); font-size: 13px; line-height: 1.6; }

.line-section { display: grid; grid-template-columns: minmax(360px, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 8vw, 120px); align-items: center; overflow: hidden; background: var(--lime); }
.line-art { position: relative; min-height: 560px; }
.phone-card { position: absolute; top: 4%; left: 11%; width: min(76%, 390px); height: 500px; padding: 48px 28px; border: 4px solid var(--ink); border-radius: 46px; background: var(--paper); box-shadow: 17px 17px 0 var(--ink); transform: rotate(-4deg); }
.phone-card > span { display: block; color: var(--orange); font: 900 11px/1 Arial, sans-serif; letter-spacing: .15em; }
.phone-card > strong { display: block; margin-top: 10px; font: 900 45px/1 Arial Black, sans-serif; letter-spacing: -.08em; }
.phone-message { margin-top: 68px; padding: 18px; border-radius: 18px 18px 18px 4px; background: var(--line); color: #fff; font-size: 15px; font-weight: 800; }
.phone-message.second { margin-top: 12px; background: var(--blue); }
.line-bubble { position: absolute; z-index: 3; display: grid; place-items: center; width: 118px; height: 118px; border: 3px solid var(--ink); border-radius: 50%; font: 900 16px/1 Arial Black, sans-serif; }
.bubble-one { right: 4%; top: 2%; background: var(--orange); color: #fff; transform: rotate(12deg); }
.bubble-two { left: 0; bottom: 7%; background: var(--blue); color: #fff; transform: rotate(-10deg); }
.line-copy { max-width: 710px; }
.line-lead { margin: 28px 0; font-size: 16px; font-weight: 700; line-height: 1.8; }
.line-copy ul { margin: 0 0 30px; padding: 0; list-style: none; }
.line-copy li { display: flex; align-items: center; gap: 16px; padding: 15px 0; border-bottom: 1px solid rgba(23,23,20,.35); font-weight: 800; }
.line-copy li span { font: 900 11px/1 Arial, sans-serif; }
.line-cta { justify-content: space-between; width: min(100%, 470px); min-height: 68px; padding: 0 26px; border-color: var(--ink); border-radius: 9px; background: var(--ink); color: #fff; font-size: 16px; }
.line-cta span { font-size: 22px; }
.setup-note { max-width: 470px; margin: 12px 0 0; font-size: 11px; font-weight: 700; line-height: 1.6; }

.visit-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 16px; padding: clamp(84px, 9vw, 130px) clamp(20px, 6vw, 92px); background: var(--paper); }
.instagram-card, .map-card { border: 2px solid var(--ink); border-radius: 22px; overflow: hidden; }
.instagram-card { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; min-height: 520px; padding: clamp(30px, 5vw, 64px); background: var(--orange); color: #fff; }
.instagram-card h2, .map-heading h2 { margin: 0; font-family: Arial Black, sans-serif; font-weight: 900; letter-spacing: -.07em; line-height: 1; }
.instagram-card h2 { font-size: clamp(42px, 5vw, 72px); }
.instagram-card > p:not(.eyebrow) { max-width: 440px; margin: 24px 0; font-weight: 700; line-height: 1.8; }
.insta-topics { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 30px; }
.insta-topics span { padding: 8px 10px; border: 1px solid #fff; border-radius: 5px; font: 900 10px/1 Arial, sans-serif; letter-spacing: .08em; }
.instagram-cta { justify-content: space-between; width: min(100%, 360px); border-color: var(--ink); border-radius: 8px; background: var(--ink); color: #fff; }
.instagram-cta span { font-size: 20px; }
.map-card { display: grid; grid-template-rows: auto 1fr; background: var(--cream); }
.map-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 32px; }
.map-heading .eyebrow { margin-bottom: 10px; }
.map-heading h2 { font-size: clamp(34px, 4vw, 58px); }
.map-heading > p { margin: 0; font-size: 13px; font-weight: 800; line-height: 1.7; text-align: right; }
.map-card iframe { width: 100%; min-height: 390px; border: 0; }

footer { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 72px clamp(20px, 6vw, 92px) 34px; background: var(--ink); color: #fff; }
.footer-logo { position: relative; display: block; width: 188px; height: 188px; overflow: hidden; }
.footer-logo img { position: absolute; width: 440px; max-width: none; height: auto; left: -256px; top: -273px; }
footer > div:first-child p { max-width: 400px; margin: 18px 0 0; color: #aaa; font-weight: 700; line-height: 1.7; }
.shop-info { align-self: center; }
.shop-info p { display: grid; grid-template-columns: 110px 1fr; margin: 0; padding: 13px 0; border-bottom: 1px solid #3a3a37; font-weight: 700; }
.shop-info span { color: var(--lime); font: 900 10px/1.5 Arial, sans-serif; letter-spacing: .1em; }
.copyright { grid-column: 1 / -1; margin: 30px 0 0; padding-top: 24px; border-top: 1px solid #3a3a37; color: #777; font: 700 10px/1 Arial, sans-serif; letter-spacing: .12em; }
.mobile-line { display: none; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 130px; }
  .hero-visual { min-height: 500px; margin-top: 40px; }
  .poster-main { right: 8%; width: min(74%, 430px); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .price-board { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .line-section { grid-template-columns: 1fr; }
  .visit-section { grid-template-columns: 1fr; }
  .line-art { order: 2; min-height: 520px; }
  .line-copy { order: 1; }
}

@media (max-width: 620px) {
  body { padding-bottom: 64px; }
  .site-header { padding: 20px; }
  .brand-logo { width: 160px; height: 54px; }
  .brand-logo img { width: 300px; left: -73px; top: -53px; }
  .site-header nav a:not(.nav-line) { display: none; }
  .site-header .nav-line { padding: 9px 14px; }
  .hero { min-height: auto; padding: 118px 20px 70px; }
  .hero::before { width: 260px; height: 260px; border-width: 50px; }
  .hero h1 { font-size: clamp(47px, 14vw, 68px); }
  .hero-lead { margin: 24px 0 28px; font-size: 15px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-tags { margin-top: 25px; }
  .hero-visual { min-height: 410px; margin-top: 46px; }
  .poster-main { right: 8%; width: 78%; padding: 28px; box-shadow: 11px 11px 0 var(--ink); }
  .poster strong { font-size: clamp(54px, 17vw, 78px); }
  .sticker { width: 84px; height: 84px; font-size: 15px; }
  .sticker-open { left: 0; }
  .sticker-new { right: 0; }
  .hanger { display: none; }
  .scroll-cue { display: none; }
  .price-section, .howto-section, .line-section { padding: 82px 20px; }
  .section-heading { margin-bottom: 38px; }
  .section-heading h2, .line-copy h2 { font-size: clamp(40px, 12vw, 58px); }
  .price-board { grid-template-columns: 1fr; gap: 10px; }
  .price-card { min-height: 88px; padding: 16px 20px; }
  .price-card .chip-dot { width: 38px; height: 38px; }
  .sale-strip { grid-template-columns: auto 1fr; gap: 13px; padding: 16px; }
  .sale-strip small { grid-column: 1 / -1; }
  .sale-strip p { text-align: right; }
  .sale-strip p strong { font-size: 34px; }
  .steps-grid { grid-template-columns: 1fr; }
  .step-card { min-height: 200px; }
  .step-card h3 { margin-top: 35px; }
  .payment-note { grid-template-columns: 1fr; gap: 20px; }
  .camera-note { padding: 20px 0 0; border-top: 1px solid var(--ink); border-left: 0; }
  .line-art { min-height: 455px; }
  .phone-card { left: 7%; width: 78%; height: 410px; padding: 38px 22px; border-radius: 36px; box-shadow: 11px 11px 0 var(--ink); }
  .phone-card > strong { font-size: 37px; }
  .phone-message { margin-top: 50px; padding: 15px; font-size: 13px; }
  .line-bubble { width: 88px; height: 88px; font-size: 12px; }
  .visit-section { padding: 70px 20px; }
  .instagram-card { min-height: 430px; }
  .map-heading { align-items: flex-start; flex-direction: column; padding: 26px 22px; }
  .map-heading > p { text-align: left; }
  .map-card iframe { min-height: 340px; }
  footer { grid-template-columns: 1fr; gap: 38px; padding: 62px 20px 32px; }
  .footer-logo { width: 154px; height: 154px; }
  .footer-logo img { width: 360px; left: -210px; top: -223px; }
  .shop-info p { grid-template-columns: 95px 1fr; font-size: 13px; }
  .copyright { grid-column: auto; }
  .mobile-line { position: fixed; z-index: 30; left: 12px; right: 12px; bottom: 10px; display: grid; place-items: center; height: 52px; border: 2px solid var(--ink); border-radius: 999px; background: var(--line); color: #fff; box-shadow: 0 5px 0 rgba(23,23,20,.35); font-size: 14px; font-weight: 900; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}