/* ====== Reset & base ====== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Zen Maru Gothic", "Noto Sans JP", system-ui, sans-serif;
  color: #2b3a3f;
  background: #fffaf0;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
em { font-style: normal; color: #f0a73a; position: relative; padding: 0 4px; }
em::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 8px;
  background: #ffe49a;
  z-index: -1;
  border-radius: 6px;
}

:root{
  --y: #f7c948;
  --y-soft: #fff1c4;
  --b: #6dc7d1;
  --b-soft: #d4f1f4;
  --g: #9ec78c;
  --g-soft: #e0f0d6;
  --p: #f4a4a0;
  --p-soft: #fde2df;
  --ink: #2b3a3f;
  --ink-soft: #5e7177;
  --paper: #fffaf0;
  --paper-2: #fff5e1;
}

/* ====== Header ====== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,250,240,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,0,0,.05);
}
.header__inner {
  max-width: 1180px; margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 24px;
}
.logo { display: flex; align-items: baseline; gap: 8px; }
.logo__mark {
  font-family: "Kaisei Decol", serif;
  font-size: 26px; font-weight: 700;
  color: var(--b);
  letter-spacing: .02em;
}
.logo__sub { font-size: 12px; color: var(--ink-soft); font-weight: 600; }
.nav {
  margin-left: auto;
  display: flex; gap: 22px;
  font-size: 14px; font-weight: 600;
}
.nav a { transition: color .2s; }
.nav a:hover { color: var(--y); }
.header__cta {
  background: var(--y);
  color: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 700; font-size: 13px;
  box-shadow: 0 4px 14px rgba(247,201,72,.4);
  transition: transform .15s, box-shadow .2s;
}
.header__cta:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(247,201,72,.55); }

/* ====== Buttons ====== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700; font-size: 15px;
  transition: all .2s;
  white-space: nowrap;
}
.btn--primary {
  background: var(--y); color: #fff;
  box-shadow: 0 6px 18px rgba(247,201,72,.45);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(247,201,72,.55); }
.btn--secondary {
  background: var(--b); color: #fff;
  box-shadow: 0 6px 18px rgba(109,199,209,.45);
}
.btn--secondary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(109,199,209,.55); }
.btn--ghost {
  background: #fff; color: var(--ink);
  border: 2px solid var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: #fff; }
.btn--small { padding: 10px 22px; font-size: 14px; }
.btn--large { padding: 18px 44px; font-size: 17px; }

/* ====== Section title ====== */
.section-title {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 36px;
}
.section-title--center { text-align: center; align-items: center; }
.section-title__sub {
  font-family: "Kaisei Decol", serif;
  color: var(--b);
  font-size: 18px;
  letter-spacing: .08em;
}
.section-title__main {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}
.sp { display: none; }
@media (max-width: 720px) { .sp { display: block; } }

/* ====== HERO ====== */
.hero {
  position: relative;
  background: linear-gradient(180deg, #fff5e1 0%, #fffaf0 100%);
  padding: 60px 0 80px;
  overflow: hidden;
}
.hero__bg-deco {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: .55;
  pointer-events: none;
}
.hero__bg-deco--y {
  width: 380px; height: 380px;
  top: -80px; left: -120px;
  background: var(--y);
}
.hero__bg-deco--b {
  width: 320px; height: 320px;
  bottom: -100px; right: -80px;
  background: var(--b);
}
.hero__inner {
  position: relative;
  max-width: 1180px; margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero__copy { position: relative; }
.hero__badge {
  display: inline-block;
  background: #fff;
  color: var(--y);
  border: 2px dashed var(--y);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px; font-weight: 700;
  margin-bottom: 24px;
}
.hero__title {
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: .02em;
  margin-bottom: 24px;
}
.hero__lead {
  color: var(--ink-soft);
  font-size: 16px;
  margin-bottom: 36px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__visual {
  position: relative;
  border-radius: 24px;
  overflow: visible;
}
.hero__visual img {
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,.12);
}
.hero__sticker {
  position: absolute;
  background: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(0,0,0,.1);
}
.hero__sticker--1 {
  top: -14px; left: -10px;
  background: var(--b); color: #fff;
  transform: rotate(-3deg);
}
.hero__sticker--2 {
  bottom: -14px; right: -10px;
  background: var(--y); color: #fff;
  transform: rotate(3deg);
}

/* ====== INTRO ====== */
.intro { padding: 100px 0; background: var(--paper); }
.intro__inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.intro__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.intro__list {
  list-style: none;
  display: flex; flex-direction: column; gap: 16px;
  font-size: 16px; font-weight: 600;
}
.intro__list li {
  background: #fff;
  padding: 18px 22px;
  border-radius: 16px;
  border-left: 6px solid var(--y);
  box-shadow: 0 4px 14px rgba(0,0,0,.04);
}
.intro__photos {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}
.intro__photos img {
  border-radius: 16px;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3/4;
}
.intro__photos img:nth-child(2) { transform: translateY(20px); }

/* ====== WORKS ====== */
.works {
  padding: 100px 0;
  background: var(--b-soft);
  position: relative;
}
.works::before, .works::after {
  content: "";
  position: absolute; left: 0; right: 0;
  height: 40px;
  background: var(--paper);
}
.works::before {
  top: 0;
  clip-path: polygon(0 0, 100% 0, 100% 0, 0 100%);
}
.works::after {
  bottom: 0;
  clip-path: polygon(0 100%, 100% 100%, 100% 0, 0 100%);
}
.works__inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.works__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.work-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 22px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(0,0,0,.06);
  transition: transform .25s, box-shadow .25s;
}
.work-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 32px rgba(0,0,0,.1);
}
.work-card__icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto 18px;
  display: flex; align-items: center; justify-content: center;
}
.work-card__icon svg { width: 32px; height: 32px; }
.work-card__icon--y { background: var(--y-soft); color: var(--y); }
.work-card__icon--b { background: var(--b-soft); color: var(--b); }
.work-card__icon--g { background: var(--g-soft); color: var(--g); }
.work-card__icon--p { background: var(--p-soft); color: var(--p); }
.work-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.5;
}
.work-card p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ====== VOICE ====== */
.voice { padding: 100px 0; background: var(--paper); }
.voice__inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}
.voice__photo img {
  border-radius: 24px;
  aspect-ratio: 4/5;
  object-fit: cover;
  box-shadow: 0 16px 40px rgba(0,0,0,.12);
}
.voice__copy p {
  margin: 20px 0 28px;
  color: var(--ink-soft);
  font-size: 15px;
}

/* ====== TOWN ====== */
.town {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--g-soft) 0%, var(--paper) 100%);
}
.town__inner { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.town__lead { text-align: center; color: var(--ink-soft); margin-bottom: 40px; }
.town__features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}
.town__item {
  background: #fff;
  border-radius: 18px;
  padding: 22px;
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 12px 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,.05);
}
.town__item span {
  font-size: 32px;
  grid-row: span 2;
}
.town__item b { font-size: 15px; }
.town__item small { font-size: 12px; color: var(--ink-soft); }
.town__photo img {
  border-radius: 24px;
  aspect-ratio: 21/9;
  object-fit: cover;
  box-shadow: 0 16px 40px rgba(0,0,0,.1);
}

/* ====== FAQ ====== */
.faq { padding: 100px 0; background: var(--paper); }
.faq__inner { max-width: 820px; margin: 0 auto; padding: 0 24px; }
.faq__list { display: flex; flex-direction: column; gap: 14px; }
.faq__item {
  background: #fff;
  border-radius: 16px;
  padding: 20px 26px;
  box-shadow: 0 4px 14px rgba(0,0,0,.05);
  cursor: pointer;
  transition: box-shadow .2s;
}
.faq__item:hover { box-shadow: 0 8px 20px rgba(0,0,0,.08); }
.faq__item summary {
  font-weight: 700;
  list-style: none;
  position: relative;
  padding-right: 32px;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--y);
  transition: transform .2s;
}
.faq__item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq__item p {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed #ddd;
  color: var(--ink-soft);
  font-size: 14px;
}

/* ====== CTA ====== */
.cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--y) 0%, #ffd96b 100%);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  top: -300px; right: -200px;
}
.cta__inner {
  max-width: 820px; margin: 0 auto; padding: 0 24px;
  text-align: center;
  position: relative; z-index: 1;
}
.cta__title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.4;
}
.cta__title em { color: #fff; }
.cta__title em::after { background: rgba(255,255,255,.4); }
.cta__lead { color: #fff; margin-bottom: 36px; font-size: 16px; }
.cta__buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
.cta .btn--primary { background: #fff; color: var(--y); box-shadow: 0 8px 24px rgba(0,0,0,.15); }
.cta .btn--primary:hover { background: var(--paper); }
.cta .btn--secondary { background: var(--ink); }

/* ====== FOOTER ====== */
.footer {
  background: var(--ink);
  color: #fff;
  padding: 60px 0 30px;
}
.footer__inner {
  max-width: 1080px; margin: 0 auto; padding: 0 24px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
}
.footer__brand p {
  margin-top: 12px;
  color: rgba(255,255,255,.7);
  font-size: 13px;
}
.footer__brand .logo__mark { color: var(--y); }
.footer__nav {
  display: flex; flex-wrap: wrap;
  gap: 14px 24px;
  font-size: 14px;
  align-self: center;
}
.footer__nav a { color: rgba(255,255,255,.85); transition: color .15s; }
.footer__nav a:hover { color: var(--y); }
.footer__copy {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,.5);
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.15);
}

/* ====== Responsive ====== */
@media (max-width: 960px) {
  .nav { display: none; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { order: -1; }
  .intro__content { grid-template-columns: 1fr; gap: 40px; }
  .intro__photos img:nth-child(2) { transform: none; }
  .works__grid { grid-template-columns: repeat(2, 1fr); }
  .voice__inner { grid-template-columns: 1fr; gap: 40px; }
  .town__features { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .hero { padding: 40px 0 60px; }
  .intro, .works, .voice, .town, .faq, .cta { padding: 70px 0; }
  .works__grid { grid-template-columns: 1fr; }
  .town__features { grid-template-columns: 1fr; }
  .btn--large { padding: 16px 32px; font-size: 16px; }
  .header__cta { padding: 8px 14px; font-size: 12px; }
}