:root {
  --bg: #f7f5f0;
  --tint: #eef1f2;
  --ink: #1f2a33;
  --muted: #5d6870;
  --line: #d9dcd8;
  --rain: #5f8299;
  --candy: #e07a5f;
  --card: #ffffff;
  --sans: "Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  --serif: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, dl, dd, ol { margin: 0; }
a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }
.pc { display: inline; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { font-family: var(--serif); font-weight: 700; font-size: 20px; text-decoration: none; letter-spacing: 0.04em; }
.nav { display: flex; gap: 24px; margin-left: auto; font-size: 14px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--ink); }

/* buttons */
.btn {
  display: inline-block;
  background: var(--candy);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 999px;
  transition: opacity .2s;
}
.btn:hover { opacity: .85; }
.btn-small { padding: 8px 20px; font-size: 14px; }
.btn-large { padding: 18px 48px; font-size: 18px; }

/* hero */
.hero { padding: 120px 0 112px; }
.hero-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(34px, 5.2vw, 62px);
  line-height: 1.4;
  letter-spacing: 0.06em;
}
.hero-def { margin-top: 32px; font-size: 20px; font-weight: 500; color: var(--rain); }
.hero-lead { margin: 24px 0 48px; color: var(--muted); max-width: 46em; }

/* sections */
.section { padding: 104px 0; }
.section-tint { background: var(--tint); }
.sec-title {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 56px;
  letter-spacing: 0.08em;
}
.sec-title small { font-size: 16px; font-family: var(--sans); font-weight: 400; color: var(--muted); }
.sec-en {
  display: block;
  font-family: var(--sans);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--rain);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.num { font-family: var(--serif); color: var(--candy); font-weight: 700; letter-spacing: 0.1em; }

/* work */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-card { background: var(--card); border-radius: 16px; padding: 36px 32px; }
.work-card h3 { font-family: var(--serif); font-size: 22px; margin: 8px 0 16px; }
.work-card p:last-child { color: var(--muted); font-size: 15px; }
.cycle {
  margin-top: 64px;
  text-align: center;
  font-family: var(--serif);
  font-size: 20px;
  line-height: 2;
}
.cycle span { display: inline-block; }

/* price */
.price-block { background: var(--card); border-radius: 16px; padding: 40px; margin-bottom: 24px; }
.price-block h3 { font-family: var(--serif); font-size: 22px; margin-bottom: 24px; display: flex; gap: 16px; align-items: baseline; }
.price-list .row {
  display: grid;
  grid-template-columns: 9em 9em 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.price-list dt { font-weight: 700; font-size: 18px; }
.price-list .yen { font-family: var(--serif); font-weight: 700; font-size: 20px; }
.price-list .yen span { font-size: 13px; font-family: var(--sans); font-weight: 500; }
.price-list .desc { color: var(--muted); font-size: 15px; }
.note { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); }

/* cases */
.case-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case { background: var(--card); border-radius: 16px; padding: 32px; }
.case h3 { font-size: 19px; margin: 8px 0 4px; line-height: 1.6; }
.case-sub { font-size: 13px; color: var(--muted); margin-bottom: 16px; }
.case p:last-child { font-size: 15px; }
.case-tag { display: inline-block; font-size: 12px; color: var(--rain); border: 1px solid var(--rain); border-radius: 999px; padding: 0 12px; }
.case-more { background: transparent; border: 1px dashed var(--line); }
.case-more p { color: var(--muted); }

/* flow */
.flow { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: none; }
.flow li { background: var(--card); border-radius: 16px; padding: 28px 24px; }
.step {
  display: inline-grid; place-items: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--rain); color: #fff; font-size: 14px; font-weight: 700;
}
.flow h3 { font-family: var(--serif); font-size: 22px; margin: 12px 0 8px; }
.flow p { font-size: 14px; color: var(--muted); }

/* us */
.us-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.person { background: var(--card); border-radius: 16px; padding: 36px; }
.role { font-size: 13px; color: var(--rain); letter-spacing: 0.2em; }
.person h3 { font-family: var(--serif); font-size: 24px; margin: 4px 0 12px; }
.person p:not(.role) { color: var(--muted); }
.link { display: inline-block; margin-top: 16px; font-size: 14px; color: var(--rain); }

/* contact */
.contact { text-align: center; background: var(--ink); color: #fff; }
.contact-lead { font-family: var(--serif); font-size: clamp(24px, 4vw, 36px); margin-bottom: 40px; }

/* footer */
.site-footer { padding: 40px 0; font-size: 13px; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; }
.site-footer .logo { font-size: 16px; }

/* responsive */
@media (max-width: 860px) {
  .nav { display: none; }
  .header-inner { justify-content: space-between; }
  .work-grid, .case-list, .us-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .price-block { padding: 28px 20px; }
  .price-list .row { grid-template-columns: 1fr auto; gap: 4px 16px; }
  .price-list .desc { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .pc { display: none; }
  .hero { padding: 72px 0 80px; }
  .hero-def { font-size: 17px; }
  .section { padding: 72px 0; }
  .sec-title { font-size: 26px; margin-bottom: 36px; }
  .flow { grid-template-columns: 1fr; }
  .cycle { font-size: 16px; }
}

/* illustrations */
:root { --sun: #e9b949; --leaf: #7fa37a; --candy-soft: #f6d6cb; --rain-soft: #cddbe4; }
.bubble { fill: #fff; stroke: var(--ink); stroke-width: 3; stroke-linejoin: round; }
.drop, .c-rain { fill: var(--rain); }
.c-candy { fill: var(--candy); }
.c-candy-soft { fill: var(--candy-soft); }
.c-sun { fill: var(--sun); }
.c-leaf { fill: var(--leaf); stroke: var(--leaf); stroke-width: 6; }
.c-rain-soft { fill: var(--rain-soft); }
.arrow, .stem { fill: none; stroke: var(--ink); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.q { font-family: var(--serif); font-size: 44px; font-weight: 700; fill: var(--candy); }

.hero-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: center; }
.hero-illust { width: 100%; max-width: 420px; justify-self: end; }
.float-a { animation: float 6s ease-in-out infinite; }
.float-b { animation: float 6s ease-in-out -3s infinite; }
.rain > g { animation: fall 3.2s ease-in infinite; }
.rain > g:nth-child(2) { animation-delay: -.8s; }
.rain > g:nth-child(3) { animation-delay: -1.6s; }
.rain > g:nth-child(4) { animation-delay: -2.4s; }
.rain > g > .drop { animation: fade 3.2s ease-in infinite; animation-delay: inherit; }
@keyframes float { 50% { transform: translateY(-6px); } }
@keyframes fall { from { translate: 0 -24px; } to { translate: 0 24px; } }
@keyframes fade { 0% { opacity: 0; } 20%, 70% { opacity: 1; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .float-a, .float-b, .rain > g, .rain .drop { animation: none; } }

.work-icon { width: 96px; height: 80px; margin-bottom: 8px; }
.person-icon { width: 64px; height: 48px; margin-bottom: 8px; }
.contact-rain { width: 160px; margin: 0 auto 16px; display: block; }
.contact .drop { fill: var(--rain-soft); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-illust { justify-self: center; max-width: 300px; order: -1; }
}

.hero-title span { display: inline-block; white-space: nowrap; }

/* more illustrations */
.price-icon { width: 56px; height: 46px; flex: none; align-self: center; }
.price-block h3 { align-items: center; }
.flow-icon { display: block; width: 72px; height: 58px; margin-bottom: 12px; }
.case-icon { display: block; width: 96px; height: 72px; margin-bottom: 12px; }
.sec-drop { width: 10px; height: 14px; margin-right: 8px; vertical-align: -1px; }
.sec-drop .drop { fill: var(--candy); }

/* ways */
.ways-lead { font-family: var(--serif); font-size: 20px; margin: -24px 0 40px; }
.ways-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.way { background: var(--card); border-radius: 16px; padding: 32px; }
.way h3 { font-family: var(--serif); font-size: 22px; margin: 2px 0 12px; }
.way-label { font-size: 13px; color: var(--rain); letter-spacing: 0.1em; }
.way-ex { margin-top: 12px; font-size: 14px; color: var(--muted); }
.marks { display: flex; gap: 6px; margin-bottom: 16px; }
.m { width: 20px; height: 20px; }
.m1 { fill: var(--candy); } .m2 { fill: var(--sun); } .m3 { fill: var(--leaf); }
.m.off { fill: none; stroke: var(--line); stroke-width: 2; }
.ways-combo { margin-top: 24px; background: var(--card); border-radius: 16px; padding: 32px; }
.combo-list { list-style: none; padding: 0; margin: 12px 0 0; }
.combo-list li { display: flex; align-items: center; gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.combo-list .marks { margin: 0; flex: none; }
.combo-list b { font-family: var(--serif); margin-right: 8px; }
.combo-note { margin-top: 16px; font-family: var(--serif); font-size: 18px; color: var(--candy); }
@media (max-width: 860px) {
  .ways-grid { grid-template-columns: 1fr; }
  .combo-list li { align-items: flex-start; flex-direction: column; gap: 8px; }
}
@media (max-width: 560px) { .ways-lead { font-size: 17px; } .way, .ways-combo { padding: 24px; } }
.work-do { margin: 16px 0 0; padding: 16px 0 0; border-top: 1px solid var(--line); list-style: none; font-size: 14px; }
.work-do li { position: relative; padding-left: 16px; line-height: 1.8; margin-bottom: 4px; }
.work-do li::before { content: ""; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; border-radius: 50%; background: var(--candy); }
.work-card p:last-of-type { color: var(--muted); font-size: 15px; }
.price-do { margin-top: 8px; padding: 20px 24px; background: var(--bg); border-radius: 12px; }
.price-do-title { font-size: 13px; color: var(--rain); letter-spacing: 0.1em; }
.price-do .work-do { margin-top: 8px; padding-top: 0; border-top: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; }
@media (max-width: 860px) { .price-do .work-do { grid-template-columns: 1fr; } }

/* 問い合わせフォーム */
.contact-sub { color: #cfd8de; margin: -24px 0 32px; line-height: 1.9; }
.contact-form { max-width: 620px; margin: 0 auto; text-align: left; display: grid; gap: 18px; }
.contact-form label { display: grid; gap: 6px; font-size: 14px; font-weight: 500; }
.contact-form .f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form input[type=text], .contact-form input[type=email], .contact-form textarea {
  font: inherit; font-size: 16px; color: var(--ink); background: #fff; border: 1px solid transparent; border-radius: 10px; padding: 12px 14px; width: 100%; box-sizing: border-box;
}
.contact-form input:focus, .contact-form textarea:focus { outline: 2px solid var(--candy); outline-offset: 1px; }
.contact-form textarea { resize: vertical; min-height: 140px; }
.contact-form .req { margin-left: 8px; font-size: 11px; color: var(--candy); font-weight: 700; }
.contact-form fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 10px; }
.contact-form legend { font-size: 14px; font-weight: 500; margin-bottom: 8px; padding: 0; }
.contact-form .chk { display: inline-flex; align-items: center; gap: 0; cursor: pointer; }
.contact-form .chk input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.contact-form .chk span { border: 1px solid #5d6b75; border-radius: 99px; padding: 6px 14px; font-size: 13px; font-weight: 400; transition: background .15s, border-color .15s; }
.contact-form .chk input:checked + span { background: var(--candy); border-color: var(--candy); color: #fff; }
.contact-form .chk input:focus-visible + span { outline: 2px solid var(--candy-soft); outline-offset: 2px; }
.contact-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .f-note { font-size: 12px; color: #aeb9c1; margin: 0; }
.contact-form button { justify-self: center; border: 0; cursor: pointer; font-family: inherit; }
.contact-form button:disabled { opacity: .6; cursor: wait; }
.contact-form .f-status { text-align: center; min-height: 1.5em; margin: 0; color: var(--candy-soft); font-size: 14px; }
@media (max-width: 640px) { .contact-form .f-row { grid-template-columns: 1fr; } }