:root {
  --navy: #0c1f40;
  --blue: #1d4e92;
  --blue-soft: #eaf1fb;
  --gold: #b8923d;
  --gold-light: #e8d295;
  --ink: #1b2740;
  --muted: #5d6a83;
  --line: #d6deec;
  --err: #b3261e;
  --serif: "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --display: "Cormorant Garamond", "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: #f1f5fb;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  padding: 52px 20px 96px;
  text-align: center;
  color: #fff;
  background:
    radial-gradient(1.6px 1.6px at 8% 18%, rgba(255,255,255,.85), transparent 60%),
    radial-gradient(1.2px 1.2px at 21% 62%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(2px 2px at 34% 30%, rgba(232,210,149,.9), transparent 60%),
    radial-gradient(1.2px 1.2px at 47% 78%, rgba(255,255,255,.55), transparent 60%),
    radial-gradient(1.6px 1.6px at 61% 14%, rgba(255,255,255,.8), transparent 60%),
    radial-gradient(1.2px 1.2px at 73% 54%, rgba(255,255,255,.6), transparent 60%),
    radial-gradient(2px 2px at 86% 26%, rgba(232,210,149,.9), transparent 60%),
    radial-gradient(1.4px 1.4px at 93% 72%, rgba(255,255,255,.7), transparent 60%),
    radial-gradient(1.2px 1.2px at 15% 86%, rgba(232,210,149,.7), transparent 60%),
    radial-gradient(ellipse 70% 90% at 50% 0%, #2f62ad 0%, rgba(47,98,173,0) 70%),
    linear-gradient(180deg, #0b1d3c 0%, #153768 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 12px 12px 64px;
  border: 1px solid rgba(216, 182, 103, .6);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 17px 17px 69px;
  border: 1px solid rgba(216, 182, 103, .25);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 6px;
  font-family: var(--display);
  font-style: italic;
  font-size: 13px;
  letter-spacing: .34em;
  color: var(--gold-light);
}

.hero h1 { margin: 0; font-weight: 500; }

.hero .en {
  display: block;
  font-family: var(--display);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(40px, 11.5vw, 76px);
  line-height: 1.05;
  letter-spacing: .02em;
  background: linear-gradient(180deg, #fff6d9 0%, #e8d295 45%, #c49b45 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero .en .nb { display: inline-block; }

.hero .ja {
  display: block;
  margin-top: 14px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(14px, 3.8vw, 19px);
  letter-spacing: .06em;
  color: #fff;
}

.orn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 22px auto 0;
}
.orn::before, .orn::after {
  content: "";
  width: 64px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-light));
}
.orn::after { transform: scaleX(-1); }
.orn i {
  width: 7px;
  height: 7px;
  background: var(--gold-light);
  transform: rotate(45deg);
}

.info {
  display: block;
  max-width: 560px;
  margin: 22px auto 0;
  padding: 12px 22px;
  text-align: left;
  border: 1px solid rgba(216, 182, 103, .45);
  background: rgba(8, 24, 52, .35);
}
.info div { display: flex; gap: 14px; line-height: 1.7; padding: 5px 0; }
.info div + div { border-top: 1px solid rgba(216, 182, 103, .22); }
.info .sub { display: block; margin-top: 2px; font-size: 13px; color: rgba(255, 255, 255, .78); }
.info .line { display: block; font-size: 14px; line-height: 1.8; }
.info .line + .line { margin-top: 4px; }
.info .fee { display: flex; gap: 14px; margin-top: 10px; }
.info .fee:first-child { margin-top: 0; }
.info .fl {
  flex: none;
  min-width: 6em;
  padding-top: 2px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold-light);
}
.info .ft { flex: 1; }
.info dt { color: var(--gold-light); letter-spacing: .15em; font-size: 14px; flex: none; min-width: 4.6em; }
.info dd { margin: 0; font-size: 15px; word-break: auto-phrase; line-break: strict; }

.info a {
  color: #fff;
  text-decoration: underline;
  text-decoration-color: var(--gold-light);
  text-underline-offset: 5px;
}
.info a:hover { color: var(--gold-light); }
.info a:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

@media (max-width: 480px) {
  .info { display: block; padding: 12px 16px; }
  .info div { flex-direction: column; gap: 1px; }
  .info dt { font-size: 13px; }
  .info .fee { flex-direction: column; gap: 0; padding-left: 12px; border-left: 2px solid rgba(216, 182, 103, .45); }
  .info .fl { min-width: 0; padding-top: 0; }
  .info dd { font-size: 14px; }
}
@media (max-width: 360px) {
  .hero .ja { font-size: 13px; letter-spacing: .02em; }
  .info dd { font-size: 13px; }
}

/* ---------- カード ---------- */
.card {
  position: relative;
  z-index: 1;
  width: calc(100% - 32px);
  max-width: 680px;
  margin: -52px auto 0;
  padding: 26px 20px 32px;
  background: #fff;
  border: 1px solid var(--gold-light);
  border-top: 3px solid var(--gold);
  border-radius: 4px;
  box-shadow: 0 14px 40px rgba(12, 31, 64, .14);
}

@media (min-width: 640px) {
  .hero { padding: 72px 20px 112px; }
  .hero::before { inset: 12px 12px 76px; }
  .hero::after { inset: 17px 17px 81px; }
  .card { margin-top: -64px; padding: 36px 52px 48px; }
}

/* ---------- ステップ ---------- */
.steps {
  display: flex;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li {
  position: relative;
  flex: 1;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
  counter-increment: step;
}
.steps li::before {
  content: counter(step);
  position: relative;
  z-index: 1;
  display: block;
  width: 28px;
  height: 28px;
  margin: 0 auto 4px;
  line-height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: #fff;
  font-family: var(--display);
  font-size: 15px;
}
.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 14px;
  left: 50%;
  width: 100%;
  height: 1px;
  background: var(--line);
}
.steps li.on { color: var(--navy); font-weight: 700; }
.steps li.on::before { background: var(--navy); border-color: var(--navy); color: var(--gold-light); }
.steps li.past::before { border-color: var(--gold); color: var(--gold); }
.steps li.past::after { background: var(--gold-light); }

/* ---------- 文言 ---------- */
.ttl {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--navy);
  text-align: center;
}
.lead { margin: 0 0 18px; text-align: center; font-size: 15px; }
.reqnote { margin: 0 0 22px; font-size: 13px; color: var(--muted); text-align: center; }

.req {
  display: inline-block;
  margin-left: 8px;
  padding: 0 8px;
  font-size: 11px;
  font-weight: 700;
  line-height: 20px;
  letter-spacing: .08em;
  color: #fff;
  background: var(--blue);
  border-radius: 3px;
  vertical-align: 2px;
}
.reqnote .req { margin: 0 4px 0 0; }

/* ---------- フォーム ---------- */
.field { margin-bottom: 26px; }

.lab {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
}

input[type="text"], input[type="email"], input[type="tel"] {
  display: block;
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  font: inherit;
  font-size: 16px; /* iPhoneで入力時に拡大されないように16px以上 */
  color: var(--ink);
  background: #fbfcfe;
  border: 1px solid var(--line);
  border-radius: 6px;
  -webkit-appearance: none;
  appearance: none;
}
input[type="text"]:focus, input[type="email"]:focus, input[type="tel"]:focus {
  outline: none;
  border-color: var(--blue);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(29, 78, 146, .18);
}

.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.hint { margin: 6px 0 0; font-size: 13px; line-height: 1.6; color: var(--muted); }
.hint-top { margin: -2px 0 10px; }

.choices { display: flex; flex-wrap: wrap; gap: 10px; }
.choice { position: relative; cursor: pointer; }
.choice input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}
.choice span {
  display: inline-block;
  min-height: 48px;
  padding: 11px 22px;
  line-height: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfcfe;
  color: var(--ink);
  transition: background .15s, border-color .15s, color .15s;
}
.choices-stack { flex-direction: column; }
.choices-stack .choice span {
  display: block;
  padding: 12px 20px;
  border-radius: 12px;
}
.choice input:checked + span {
  background: var(--navy);
  border-color: var(--gold);
  color: #fff;
  box-shadow: inset 0 0 0 1px var(--gold-light);
}
.choice input:focus-visible + span { outline: 3px solid rgba(29, 78, 146, .35); outline-offset: 2px; }

.has-err input[type="text"], .has-err input[type="email"], .has-err input[type="tel"] {
  border-color: var(--err);
  background: #fff8f7;
}
.err { margin: 6px 0 0; font-size: 13px; font-weight: 500; color: var(--err); }

.alert {
  margin: 0 0 20px;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--err);
  background: #fdf1f0;
  border: 1px solid #f0c6c2;
  border-radius: 6px;
}

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- ボタン ---------- */
.actions { display: flex; flex-direction: column-reverse; gap: 12px; margin-top: 30px; }
.actions.single { flex-direction: column; margin-top: 34px; }

.btn {
  display: block;
  width: 100%;
  min-height: 54px;
  padding: 14px 24px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  text-decoration: none;
  border-radius: 999px;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}
.btn-gold {
  color: var(--navy);
  border: 1px solid #b08a38;
  background: linear-gradient(180deg, #f1dfa6 0%, #d4b055 100%);
  box-shadow: 0 4px 12px rgba(184, 146, 61, .3);
}
.btn-gold:hover { background: linear-gradient(180deg, #f6e8bb 0%, #dcb95f 100%); }
.btn-ghost {
  color: var(--navy);
  background: #fff;
  border: 1px solid var(--navy);
}
.btn-ghost:hover { background: var(--blue-soft); }
.btn:focus-visible { outline: 3px solid rgba(29, 78, 146, .4); outline-offset: 2px; }

@media (min-width: 640px) {
  .actions { flex-direction: row; justify-content: center; }
  .actions .btn { width: auto; min-width: 220px; }
  .actions.single .btn { min-width: 300px; }
  .actions.single { align-items: center; }
}

/* ---------- 確認・完了 ---------- */
.confirm { margin: 0 0 8px; border-top: 1px solid var(--line); }
.confirm > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--line);
}
.confirm dt { font-size: 13px; font-weight: 700; color: var(--blue); }
.confirm dd { margin: 0; word-break: break-all; }
.confirm .none { color: #98a2b6; }

@media (min-width: 640px) {
  .confirm > div { grid-template-columns: 180px 1fr; gap: 16px; }
  .confirm dt { padding-top: 2px; }
}

.done { text-align: center; padding: 10px 0 0; }
.done h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-size: 22px;
  color: var(--navy);
}
.done p { margin: 0 0 12px; }
.done .note { font-size: 13px; line-height: 1.8; color: var(--muted); text-align: left; }
.done .back { margin-top: 26px; }
.done .btn { display: inline-block; width: auto; min-width: 240px; }

/* ---------- フッター ---------- */
.foot { padding: 34px 16px 40px; text-align: center; font-size: 13px; }
.foot a { color: var(--muted); text-decoration: none; letter-spacing: .06em; }
.foot a:hover { color: var(--blue); text-decoration: underline; }