/* ミシェル — 夜のあとに来る朝。霧がかった緑と、明け方のあたたかい光。丸い文字で、やわらかく。
   レイアウト: 1列（読みやすい幅）＋ LINE の吹き出しを主役にする */
:root {
  --bg: #f2f5f1;          /* 朝霧 */
  --surface: #ffffff;
  --ink: #2c3833;
  --sub: #64716b;
  --leaf: #4f9e7a;        /* 若葉（LINE を思わせる、やわらかい緑） */
  --leaf-ink: #2f7556;
  --leaf-soft: #d9efe2;   /* 自分の吹き出し */
  --dawn: #f4c79a;        /* 明け方の光 */
  --dawn-soft: #fbeee0;
  --line: #dde5df;
  --alert: #c25b5b;
  --alert-soft: #fbecea;
  --shadow: 0 1px 2px rgba(44, 56, 51, .06), 0 8px 24px rgba(44, 56, 51, .06);
  --f-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Hiragino Sans", sans-serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161d1a; --surface: #1f2925; --ink: #e4ebe7; --sub: #9fada7;
    --leaf: #78c7a0; --leaf-ink: #8fd6b1; --leaf-soft: #2a4a3b;
    --dawn: #b9875b; --dawn-soft: #2d2620; --line: #2f3b36;
    --alert: #e08b8b; --alert-soft: #3a2626;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #161d1a; --surface: #1f2925; --ink: #e4ebe7; --sub: #9fada7;
  --leaf: #78c7a0; --leaf-ink: #8fd6b1; --leaf-soft: #2a4a3b;
  --dawn: #b9875b; --dawn-soft: #2d2620; --line: #2f3b36;
  --alert: #e08b8b; --alert-soft: #3a2626;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  color-scheme: dark;
}

* { box-sizing: border-box }
html { -webkit-text-size-adjust: 100% }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: 16px; line-height: 1.95; letter-spacing: .02em;
}
.wrap {
  max-width: 640px; margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
  padding-block: 32px 72px;
}
h1, h2, h3 { font-family: var(--f-display); font-weight: 700; line-height: 1.55; text-wrap: balance; letter-spacing: .04em }
h1 { font-size: 1.6rem; margin: 0 0 .6em }
h2 { font-size: 1.25rem; margin: 2.6em 0 .8em }
h3 { font-size: 1.05rem; margin: 0 0 .3em }
p { margin: 0 0 1em }
a { color: var(--leaf-ink); text-underline-offset: 3px }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid var(--dawn); outline-offset: 2px }
.small { font-size: .85rem; color: var(--sub); line-height: 1.8 }

/* お知らせ */
.ok, .warn, .support { border-radius: 16px; padding: 14px 18px; margin: 0 0 1.2em }
.ok { background: var(--leaf-soft) }
.warn { background: var(--dawn-soft) }
.support { background: var(--alert-soft); border: 1px solid color-mix(in srgb, var(--alert) 30%, transparent) }
.support p { margin: 0 }

/* 入力 */
label { display: block; font-weight: 500 }
input[type=email], input[type=text], input[type=password], textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--surface);
  padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 14px; margin: 6px 0 16px;
  transition: border-color .2s;
}
input:focus, textarea:focus { border-color: var(--leaf); outline: none }
textarea { line-height: 1.8; resize: vertical }
button, .btn {
  display: inline-flex; justify-content: center; align-items: center; gap: 8px;
  font: 700 1.05rem/1.4 var(--f-display); letter-spacing: .06em;
  background: var(--leaf); color: #fff; border: 0; border-radius: 999px;
  padding: 16px 28px; width: 100%; cursor: pointer; text-decoration: none;
  box-shadow: 0 6px 16px color-mix(in srgb, var(--leaf) 30%, transparent);
  transition: transform .15s, box-shadow .15s;
}
:root[data-theme="dark"] button, :root[data-theme="dark"] .btn { color: #10241a }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) button, :root:not([data-theme="light"]) .btn { color: #10241a } }
button:hover, .btn:hover { transform: translateY(-1px) }
button.sub { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); box-shadow: none }
.row { display: flex; gap: 10px; flex-wrap: wrap }
.row button { flex: 1; min-width: 130px }
.chk { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 0 0 20px }
.chk input { margin-top: 7px; width: 18px; height: 18px; accent-color: var(--leaf); flex: none }
.hp { position: absolute; left: -9999px }

/* 箱 */
.box, .card, .item {
  display: block; background: var(--surface); border-radius: 18px; padding: 16px 18px; margin: 10px 0;
  color: inherit; text-decoration: none; box-shadow: var(--shadow); min-width: 0; overflow-wrap: anywhere;
}
.item { transition: transform .15s }
.item:hover { transform: translateY(-1px) }
.badge { display: inline-block; font-size: .75rem; background: var(--bg); color: var(--sub); border-radius: 999px; padding: 1px 10px; margin-left: 6px; vertical-align: 2px }
.badge.red { background: var(--alert); color: #fff }

/* やり取りの履歴（LINE 風） */
.hist { background: var(--surface); border-radius: 18px; padding: 10px 16px; margin: 10px 0; box-shadow: var(--shadow) }
.hist summary { cursor: pointer; font-family: var(--f-display); font-weight: 700; padding: 4px 0 }
.hist .me, .hist .michelle { border-radius: 18px; padding: 12px 16px; margin: 10px 0; overflow-wrap: anywhere }
.hist .me { background: var(--leaf-soft); margin-left: 12% ; border-bottom-right-radius: 6px }
.hist .michelle { background: var(--bg); margin-right: 6%; border-bottom-left-radius: 6px }

/* ===== LP ===== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(120% 70% at 85% 0%, color-mix(in srgb, var(--dawn) 55%, transparent), transparent 60%),
    radial-gradient(90% 60% at 0% 100%, color-mix(in srgb, var(--leaf) 18%, transparent), transparent 70%),
    var(--bg);
}
.hero .wrap { padding-block: 40px 36px }
.eyebrow { font-family: var(--f-display); font-size: .85rem; color: var(--leaf-ink); letter-spacing: .12em; margin: 0 0 12px }
.hero h1 { font-size: clamp(1.7rem, 7vw, 2.3rem); line-height: 1.5; margin: 0 0 16px }
.hero .lead { color: var(--sub); margin: 0 0 24px }

.talk { display: grid; gap: 10px; margin: 8px 0 28px }
.talk .who { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--sub) }
.bubble {
  max-width: 82%; padding: 12px 16px; border-radius: 20px; line-height: 1.7; box-shadow: var(--shadow);
  background: var(--surface); justify-self: start; border-bottom-left-radius: 6px; overflow-wrap: anywhere;
}
.bubble.me { justify-self: end; background: var(--leaf-soft); border-bottom-left-radius: 20px; border-bottom-right-radius: 6px }
.bubble.draft { justify-self: end; background: transparent; box-shadow: none; border: 1.5px dashed var(--sub); color: var(--sub) }
.bubble .meta { display: block; font-size: .72rem; color: var(--sub); margin-top: 2px; text-align: right }
.typing { display: inline-flex; gap: 5px; padding: 14px 16px }
.typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--sub); opacity: .5; animation: blink 1.4s infinite }
.typing i:nth-child(2) { animation-delay: .2s } .typing i:nth-child(3) { animation-delay: .4s }
@keyframes blink { 0%, 60%, 100% { opacity: .25 } 30% { opacity: .8 } }

.avatar {
  width: 40px; height: 40px; border-radius: 50%; flex: none; position: relative;
  background: linear-gradient(160deg, var(--dawn-soft), var(--leaf-soft));
  border: 2px solid var(--surface); box-shadow: var(--shadow); overflow: hidden;
}
.avatar::after {
  content: ""; position: absolute; inset: 8% 4% 0 4%;
  background: linear-gradient(180deg, var(--leaf-ink), color-mix(in srgb, var(--leaf-ink) 70%, var(--dawn)));
  -webkit-mask: url(/michelle-mask.png) center bottom / contain no-repeat; mask: url(/michelle-mask.png) center bottom / contain no-repeat;
}
.avatar.lg { width: 88px; height: 88px; border-width: 3px }

.section { padding-block: 8px }
.night { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px }
.night li { background: var(--surface); border-radius: 18px 18px 18px 6px; padding: 12px 16px; box-shadow: var(--shadow) }

.michelle-intro { display: flex; gap: 16px; align-items: flex-start }
.michelle-intro > div { min-width: 0 }

.offers { display: grid; gap: 12px }
.offer { display: grid; grid-template-columns: 48px 1fr; gap: 14px; align-items: start; background: var(--surface); border-radius: 18px; padding: 16px; box-shadow: var(--shadow) }
.offer svg { width: 48px; height: 48px }
.offer p { margin: 0; color: var(--sub); font-size: .92rem }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; counter-reset: s }
.steps li { position: relative; padding: 0 0 22px 52px; counter-increment: s }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; font: 700 1rem/1 var(--f-display); background: var(--leaf-soft); color: var(--leaf-ink);
}
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 17px; top: 40px; bottom: 4px; width: 2px; background: var(--line) }
.steps b { font-family: var(--f-display) }
.steps p { margin: 0; color: var(--sub); font-size: .92rem }

.formcard { background: var(--surface); border-radius: 24px; padding: 24px 20px; box-shadow: var(--shadow); border-top: 6px solid var(--dawn) }
.formcard h2 { margin-top: 0 }

.faq details { background: var(--surface); border-radius: 16px; padding: 4px 18px; margin: 10px 0; box-shadow: var(--shadow) }
.faq summary { cursor: pointer; font-weight: 700; padding: 12px 0; list-style: none }
.faq summary::-webkit-details-marker { display: none }
.faq summary::after { content: "＋"; float: right; color: var(--leaf-ink) }
.faq details[open] summary::after { content: "－" }
.faq details p { color: var(--sub) }

.safety { background: var(--dawn-soft); border-radius: 18px; padding: 16px 18px; margin-top: 2.4em }
.safety b { font-family: var(--f-display) }
.tel { font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap }

footer { margin-top: 40px; font-size: .8rem; color: var(--sub); text-align: center }

/* ===== 管理画面 ===== */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px }
.stat { background: var(--surface); border-radius: 18px; padding: 12px 16px; box-shadow: var(--shadow); min-width: 0 }
.stat b { font: 700 1.9rem/1.3 var(--f-display); display: block; font-variant-numeric: tabular-nums }
.bars .bar { display: grid; grid-template-columns: 52px 1fr 32px; align-items: center; gap: 8px; margin: 6px 0; font-variant-numeric: tabular-nums }
.bars i { display: block; height: 12px; background: var(--leaf); border-radius: 6px; min-width: 4px }
.row2 { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--line); padding: 8px 2px }

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

/* ===== サイトの上の帯 ===== */
header.site { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line) }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg) }
header.site .bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 10px }
.brand { display: flex; align-items: center; gap: 10px; font: 700 1.1rem/1.2 var(--f-display); color: var(--ink); text-decoration: none; letter-spacing: .08em; min-width: 0 }
.brand-sub { font: 500 .7rem/1.2 var(--f-body); color: var(--sub); letter-spacing: .04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis }
.avatar.sm { width: 32px; height: 32px; border-width: 2px }
.nav { font: 700 .9rem/1 var(--f-display); color: var(--leaf-ink); text-decoration: none; border: 1.5px solid var(--leaf); border-radius: 999px; padding: 9px 16px; white-space: nowrap; flex: none }
.center { text-align: center }
.page-head { display: flex; align-items: center; gap: 14px; margin: 0 0 20px }
.page-head h1 { margin: 0 }
.tabs { display: flex; gap: 8px; margin: 0 0 16px; flex-wrap: wrap }
.tabs a { font: 700 .9rem/1 var(--f-display); text-decoration: none; padding: 10px 16px; border-radius: 999px; background: var(--surface); color: var(--sub); box-shadow: var(--shadow) }
.tabs a.on { background: var(--leaf); color: #fff }
/* マイページの会話 */
.thread { display: grid; gap: 10px }
.thread .day { justify-self: center; font-size: .75rem; color: var(--sub); background: var(--surface); border-radius: 999px; padding: 2px 12px; margin-top: 12px }
.thread .bubble { white-space: normal }
.thread .who { margin-top: 4px }
.waiting { justify-self: start; display: flex; align-items: center; gap: 10px; color: var(--sub); font-size: .85rem }
.letter summary { list-style: none }
.letter summary::-webkit-details-marker { display: none }
.avatar { display: inline-block; vertical-align: middle }
.who { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--sub) }
.brand { white-space: nowrap }
@media (max-width: 440px) { .brand-sub { display: none } }
:root[data-theme="dark"] .tabs a.on { color: #10241a }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tabs a.on { color: #10241a } }